/* --- code by Arif billah --- */ 
/* ---- style.css ---- */
:root {
  --dark-bg: #0a0a1a;
  --darker-bg: #050510;
  --card-bg: rgba(15, 15, 35, 0.6);
  --neon-blue: #00f3ff;
  --neon-purple: #bd00ff;
  --neon-green: #00ff9d;
  --text-primary: #ffffff;
  --text-secondary: #cccccc
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box
}

body {
  font-family: 'Roboto', sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: radial-gradient(circle at 10% 20%, rgba(15, 15, 35, 0.7) 0%, transparent 20%), radial-gradient(circle at 90% 80%, rgba(15, 15, 35, 0.7) 0%, transparent 20%)
}

h1,
h2,
h3,
h4 {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto
}

section {
  padding: 80px 0
}

#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--darker-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 9999;
  transition: opacity 0.8s ease-out;
  will-change: opacity
}

#loader.hidden {
  opacity: 0;
  pointer-events: none
}

.loader-container {
  position: relative;
  width: 300px;
  height: 300px;
  display: flex;
  justify-content: center;
  align-items: center
}

.loader-circle {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  isolation: isolate
}

.loader-circle::before {
  content: '';
  position: absolute;
  inset: 4px;
  border: 3px solid rgba(0, 243, 255, 0.12);
  border-top-color: var(--neon-blue);
  border-right-color: var(--neon-blue);
  border-radius: 50%;
  animation: ringSpin 3.2s linear infinite !important;
  box-shadow: 0 0 12px rgba(0, 243, 255, 0.7);
  z-index: 1
}

.loader-circle::after {
  content: '';
  position: absolute;
  inset: 15px;
  border: 3px solid rgba(189, 0, 255, 0.12);
  border-bottom-color: var(--neon-purple);
  border-left-color: var(--neon-purple);
  border-radius: 50%;
  animation: ringSpinReverse 4.8s linear infinite !important;
  box-shadow: 0 0 12px rgba(189, 0, 255, 0.55);
  z-index: 1
}

.loader-orbit {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  transform-origin: center
}

.loader-orbit-one {
  inset: -8px;
  border: 2px solid rgba(0, 255, 157, 0.18);
  border-top-color: var(--neon-green);
  border-left-color: var(--neon-green);
  animation: ringSpin 5.5s linear infinite !important;
  box-shadow: 0 0 14px rgba(0, 255, 157, 0.25);
  z-index: 1
}

.loader-orbit-two {
  inset: -19px;
  border: 2px solid rgba(255, 255, 255, 0.14);
  border-right-color: rgba(255, 255, 255, 0.9);
  border-bottom-color: rgba(189, 0, 255, 0.9);
  animation: ringSpinReverse 8s linear infinite !important;
  z-index: 1
}

.loader-orbit-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 5
}

.loader-orbit-dot-one {
  top: -10px;
  left: calc(50% - 4px);
  transform-origin: 4px 140px;
  background: var(--neon-green);
  box-shadow: 0 0 12px var(--neon-green);
  animation: dotOrbitOne 5.5s linear infinite !important
}

.loader-orbit-dot-two {
  right: -17px;
  top: calc(50% - 4px);
  transform-origin: -136px 4px;
  background: var(--neon-purple);
  box-shadow: 0 0 12px var(--neon-purple);
  animation: dotOrbitTwo 8s linear infinite !important
}

@keyframes ringSpin {
  to {
    transform: rotate(360deg)
  }
}

@keyframes ringSpinReverse {
  to {
    transform: rotate(-360deg)
  }
}

@keyframes dotOrbitOne {
  0% {
    transform: rotate(0deg) scale(0.8);
    opacity: 0.65
  }

  50% {
    opacity: 1
  }

  100% {
    transform: rotate(360deg) scale(1.15);
    opacity: 0.65
  }
}

@keyframes dotOrbitTwo {
  0% {
    transform: rotate(0deg) scale(0.8);
    opacity: 0.55
  }

  50% {
    opacity: 1
  }

  100% {
    transform: rotate(-360deg) scale(1.15);
    opacity: 0.55
  }
}

.image-container {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  z-index: 2;
  background: var(--darker-bg);
  border: 2px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 18px rgba(0, 243, 255, 0.35);
  opacity: 0;
  transition: opacity 0.8s ease-in-out
}

.image-container.active {
  opacity: 1
}

.loader-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  background: var(--darker-bg)
}

.loader-image-fill {
  object-fit: cover;
  object-position: center;
  transform: scale(1.02)
}

#loader .image-container {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  z-index: 3
}

.loader-content {
  position: absolute;
  bottom: -80px;
  text-align: center;
  width: 100%
}

.loader-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  color: var(--neon-blue);
  text-shadow: 0 0 15px var(--neon-blue);
  margin-bottom: 15px;
  position: relative;
  display: inline-block
}

.loader-name::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--neon-blue);
  transform: scaleX(0);
  transform-origin: bottom right;
  transition: transform 0.5s ease-out;
  box-shadow: 0 0 10px var(--neon-blue)
}

#loader:hover .loader-name::after {
  transform: scaleX(1);
  transform-origin: bottom left
}

.cyber-text {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  color: var(--neon-green);
  text-shadow: 0 0 10px var(--neon-green);
  margin-top: 10px;
  position: relative;
  overflow: hidden;
  height: 30px
}

.cyber-text span {
  display: block;
  position: absolute;
  width: 100%;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.35s ease, transform 0.35s ease;
  animation: none
}

.cyber-text span.active {
  opacity: 1;
  transform: translateY(0)
}

.cyber-text span:nth-child(2) {
  animation-delay: 0s
}

.cyber-text span:nth-child(3) {
  animation-delay: 0s
}

.cyber-text span:nth-child(4) {
  animation-delay: 0s
}

#loader .cyber-text {
  display: block;
  visibility: visible;
  min-height: 30px
}

@media (max-width:576px) {
  #loader .loader-content {
    bottom: -95px;
    padding: 0 12px
  }

  #loader .cyber-text {
    font-size: 0.9rem
  }
}

.loader-text {
  margin-top: 30px;
  color: var(--text-secondary);
  font-size: 1.1rem;
  position: relative
}

.loader-text::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite
}

img {
  max-width: 100%
}

@media (prefers-reduced-motion:reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important
  }

  #loader .cyber-text span.active {
    opacity: 1 !important;
    transform: translateY(0) !important
  }
}

#loader .loader-circle::before {
  animation-duration: 3.2s !important;
  animation-iteration-count: infinite !important
}

#loader .loader-circle::after {
  animation-duration: 4.8s !important;
  animation-iteration-count: infinite !important
}

#loader .loader-orbit-one {
  animation-duration: 5.5s !important;
  animation-iteration-count: infinite !important
}

#loader .loader-orbit-two {
  animation-duration: 8s !important;
  animation-iteration-count: infinite !important
}

#loader .loader-orbit-dot-one {
  animation-duration: 5.5s !important;
  animation-iteration-count: infinite !important
}

#loader .loader-orbit-dot-two {
  animation-duration: 8s !important;
  animation-iteration-count: infinite !important
}

.floating-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1
}

.particle {
  position: absolute;
  background: var(--neon-blue);
  border-radius: 50%;
  opacity: 0.7;
  animation: portfolioParticleRise 28s infinite linear;
  will-change: transform, opacity
}

body>.particles {
  position: fixed;
  inset: 0;
  height: 100vh;
  overflow: hidden;
  pointer-events: none;
  z-index: 0
}

body>.particles .particle {
  z-index: 1;
  opacity: 0.9 !important;
  filter: drop-shadow(0 0 6px currentColor);
  animation: portfolioParticleRise 28s linear infinite !important;
  animation-timing-function: linear !important;
  animation-iteration-count: infinite !important;
  animation-fill-mode: both !important
}

@keyframes portfolioParticleRise {
  0% {
    transform: translate3d(0, 30vh, 0) scale(0.9)
  }

  100% {
    transform: translate3d(45px, -80vh, 0) scale(1.15)
  }
}

.particle:nth-child(1) {
  width: 6px;
  height: 6px;
  top: 20%;
  left: 20%;
  animation-delay: 0s;
  background: var(--neon-blue)
}

.particle:nth-child(2) {
  width: 8px;
  height: 8px;
  top: 60%;
  left: 80%;
  animation-delay: 1s;
  background: var(--neon-purple)
}

.particle:nth-child(3) {
  width: 5px;
  height: 5px;
  top: 40%;
  left: 40%;
  animation-delay: 2s;
  background: var(--neon-green)
}

.particle:nth-child(4) {
  width: 7px;
  height: 7px;
  top: 70%;
  left: 30%;
  animation-delay: 3s;
  background: var(--neon-pink)
}

.particle:nth-child(5) {
  width: 4px;
  height: 4px;
  top: 30%;
  left: 60%;
  animation-delay: 4s;
  background: var(--neon-blue)
}

.particle:nth-child(6) {
  width: 6px;
  height: 6px;
  top: 80%;
  left: 70%;
  animation-delay: 5s;
  background: var(--neon-purple)
}

@keyframes spin {
  0% {
    transform: rotate(0deg)
  }

  100% {
    transform: rotate(360deg)
  }
}

@keyframes rotateWords {
  0% {
    opacity: 0;
    transform: translateY(20px)
  }

  3% {
    opacity: 1;
    transform: translateY(0px)
  }

  20% {
    opacity: 1;
    transform: translateY(0px)
  }

  23% {
    opacity: 0;
    transform: translateY(-20px)
  }

  100% {
    opacity: 0
  }
}

@keyframes dots {

  0%,
  20% {
    content: '.'
  }

  40% {
    content: '..'
  }

  60%,
  100% {
    content: '...'
  }
}

@keyframes float {
  0% {
    transform: translateY(0) rotate(0deg)
  }

  50% {
    transform: translateY(-20px) rotate(10deg)
  }

  100% {
    transform: translateY(0) rotate(0deg)
  }
}

header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 26, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 243, 255, 0.2)
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0
}

.logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--neon-blue);
  text-shadow: 0 0 10px var(--neon-blue)
}

.nav-links {
  display: flex;
  list-style: none
}

.nav-links li {
  margin-left: 30px
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.3s;
  position: relative
}

.nav-links a:hover {
  color: var(--neon-blue)
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--neon-blue);
  transition: width 0.3s
}

.nav-links a:hover::after {
  width: 100%
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 0 20px
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 30%, rgba(0, 243, 255, 0.15) 0%, transparent 30%), radial-gradient(circle at 80% 70%, rgba(189, 0, 255, 0.15) 0%, transparent 30%);
  z-index: -1
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: linear-gradient(to top, var(--dark-bg), transparent);
  z-index: 2
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 3
}

.hero h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(1.25rem, 7vw, 4.5rem);
  margin-bottom: 15px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  letter-spacing: 1px;
  line-height: 1.25;
  padding: 0 4px 0.16em;
  overflow: visible;
  white-space: nowrap
}

#home .hero-content h1 {
  font-size: clamp(1.25rem, 7vw, 4.5rem);
  white-space: nowrap
}

.hero h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.2rem;
  margin-bottom: 30px;
  color: var(--text-secondary);
  position: relative;
  display: inline-block
}

.hero h2::after {
  content: '|';
  position: absolute;
  right: -15px;
  animation: blink 0.7s infinite
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 40px;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8
}

.btn {
  display: inline-block;
  padding: 15px 40px;
  background: transparent;
  color: var(--neon-blue);
  border: 2px solid var(--neon-blue);
  border-radius: 4px;
  text-decoration: none;
  font-family: 'Orbitron', sans-serif;
  font-weight: 500;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  z-index: 1;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 1rem
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--neon-blue);
  transition: width 0.5s;
  z-index: -1
}

.btn:hover::before {
  width: 100%
}

.btn:hover {
  color: var(--dark-bg);
  box-shadow: 0 0 25px var(--neon-blue);
  transform: translateY(-3px)
}

.social-icons {
  display: flex;
  gap: 20px;
  margin-top: 40px
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border: 2px solid var(--neon-purple);
  border-radius: 50%;
  color: var(--neon-purple);
  font-size: 1.5rem;
  transition: all 0.3s
}

.social-icons a:hover {
  background: var(--neon-purple);
  color: var(--dark-bg);
  box-shadow: 0 0 15px var(--neon-purple);
  transform: translateY(-5px)
}

.floating-shapes,
.shape {
  display: none
}

@keyframes blink {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: 0
  }
}

@media (max-width:768px) {
  .hero h1 {
    font-size: 3rem
  }

  .hero h2 {
    font-size: 1.8rem
  }

  .hero p {
    font-size: 1.1rem
  }

  .btn {
    padding: 12px 30px
  }

  .social-icons a {
    width: 45px;
    height: 45px;
    font-size: 1.3rem
  }
}

@media (max-width:480px) {
  .hero h1 {
    font-size: 2.5rem
  }

  .hero h2 {
    font-size: 1.5rem
  }

  .hero p {
    font-size: 1rem
  }

  .btn {
    padding: 10px 25px;
    font-size: 0.9rem
  }
}

.about {
  position: relative
}

.about-content {
  display: flex;
  align-items: center;
  gap: 50px
}

.about-img {
  flex: 1;
  position: relative
}

.about-img img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 0 30px rgba(0, 243, 255, 0.3);
  border: 1px solid var(--neon-blue)
}

.about-img::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: 10px;
  bottom: 10px;
  border: 2px solid var(--neon-blue);
  border-radius: 10px;
  z-index: -1;
  opacity: 0.7
}

.about-text {
  flex: 1
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 30px;
  color: var(--neon-blue);
  position: relative;
  display: inline-block
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--neon-blue)
}

.footer-bottom {
  background: #050811;
  padding: 20px;
  text-align: center;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
  color: #aaa
}

.footer-bottom a {
  color: #00f3ff;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.3s ease
}

.footer-bottom a:hover {
  color: #ff2a6d
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: linear-gradient(135deg, #00f3ff, #ff2a6d);
  color: #fff;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 999
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0
}

.back-to-top:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 0 30px rgba(255, 42, 109, 0.7)
}

.back-to-top.show {
  opacity: 1;
  visibility: visible
}

@media (max-width:992px) {
  .about-content {
    flex-direction: column
  }

  .contact-content {
    flex-direction: column
  }

  .hero h1 {
    font-size: 2.5rem
  }
}

@media (max-width:768px) {
  .timeline::before {
    left: 30px
  }

  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 0
  }

  .timeline-item:nth-child(even) {
    left: 0
  }

  .timeline-item::after {
    left: 20px;
    right: auto
  }

  .nav-links {
    display: none
  }
}

.cyber-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 243, 255, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 243, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -2;
  pointer-events: none
}

.glow-effect {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 243, 255, 0.1) 0%, transparent 70%);
  filter: blur(50px);
  top: 50%;
  left: 30%;
  transform: translate(-50%, -50%);
  z-index: -1;
  animation: glowMove 15s infinite alternate ease-in-out
}

@keyframes glowMove {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.3
  }

  50% {
    transform: translate(-40%, -60%) scale(1.2);
    opacity: 0.5
  }

  100% {
    transform: translate(-60%, -40%) scale(0.8);
    opacity: 0.2
  }
}

.floating-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  overflow: hidden
}

.floating-shape {
  position: absolute;
  background: transparent;
  border: 1px solid rgba(0, 243, 255, 0.1);
  animation: floatShape 20s infinite linear
}

.floating-shape:nth-child(1) {
  width: 100px;
  height: 100px;
  top: 10%;
  left: 10%;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  animation-delay: 0s
}

.floating-shape:nth-child(2) {
  width: 150px;
  height: 150px;
  top: 70%;
  left: 80%;
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation-delay: 5s
}

.floating-shape:nth-child(3) {
  width: 80px;
  height: 80px;
  top: 20%;
  left: 80%;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  animation-delay: 10s
}

@keyframes floatShape {
  0% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 0.1
  }

  25% {
    transform: translate(20px, 30px) rotate(90deg);
    opacity: 0.3
  }

  50% {
    transform: translate(-20px, 60px) rotate(180deg);
    opacity: 0.5
  }

  75% {
    transform: translate(10px, 30px) rotate(270deg);
    opacity: 0.3
  }

  100% {
    transform: translate(0, 0) rotate(360deg);
    opacity: 0.1
  }
}

/* ---- skills.css ---- */
:root {
  --dark-bg: #0a0a1a;
  --darker-bg: #050510;
  --card-bg: rgba(15, 15, 35, 0.85);
  --neon-blue: #00f3ff;
  --neon-purple: #bd00ff;
  --neon-green: #00ff9d;
  --neon-pink: #ff00c8;
  --neon-yellow: #ffcc00;
  --text-primary: #ffffff;
  --text-secondary: #b8b8d0
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px
}

#skills {
  position: relative;
  z-index: 1;
  padding: 60px 0
}

#skills::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('image/css-bg-image/skills bg.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  opacity: 0.12;
  z-index: -1
}

.section-title {
  font-size: 3rem;
  margin-bottom: 50px;
  color: var(--neon-blue);
  text-align: center;
  text-shadow: 0 0 15px var(--neon-blue), 0 0 25px rgba(0, 243, 255, 0.5);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
  font-weight: 800;
  letter-spacing: 2px;
  padding: 0 20px
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
  box-shadow: 0 0 15px var(--neon-blue);
  border-radius: 2px
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 30px
}

.skill-category {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 20px;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 243, 255, 0.25);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 243, 255, 0.1);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden
}

.skill-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease
}

.skill-category:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 243, 255, 0.2);
  border-color: var(--neon-blue)
}

.skill-category:hover::before {
  transform: scaleX(1)
}

.skill-category h3 {
  color: var(--neon-blue);
  margin-bottom: 25px;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  padding-bottom: 15px;
  border-bottom: 2px solid;
  border-image: linear-gradient(90deg, currentColor, transparent) 1
}

.skill-category h3 i {
  margin-right: 15px;
  font-size: 1.6rem;
  text-shadow: 0 0 10px currentColor
}

.skill-list {
  list-style: none
}

.skill-list li {
  margin-bottom: 20px;
  padding: 20px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  border-left: 4px solid var(--neon-blue);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden
}

.skill-list li::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 243, 255, 0.05), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease
}

.skill-list li:hover {
  transform: translateX(8px);
  border-left: 4px solid var(--neon-green);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3)
}

.skill-list li:hover::before {
  transform: translateX(100%)
}

.skill-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 243, 255, 0.1);
  border-radius: 12px;
  margin-right: 20px;
  font-size: 1.6rem;
  color: var(--neon-blue);
  transition: all 0.3s ease;
  flex-shrink: 0
}

.skill-list li:hover .skill-icon {
  transform: scale(1.1);
  background: rgba(0, 243, 255, 0.2);
  box-shadow: 0 0 15px var(--neon-blue)
}

.skill-info {
  flex: 1
}

.skill-info strong {
  color: var(--neon-green);
  font-size: 1.2rem;
  display: block;
  margin-bottom: 10px;
  text-shadow: 0 0 8px var(--neon-green);
  letter-spacing: 0.5px
}

.skill-items {
  display: flex;
  flex-wrap: wrap;
  gap: 12px
}

.skill-tag {
  padding: 8px 16px;
  background: rgba(189, 0, 255, 0.15);
  border: 1px solid var(--neon-purple);
  border-radius: 25px;
  font-size: 0.95rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden
}

.skill-tag::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(189, 0, 255, 0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease
}

.skill-tag:hover {
  background: var(--neon-purple);
  color: var(--dark-bg);
  box-shadow: 0 0 15px var(--neon-purple);
  transform: translateY(-2px)
}

.skill-tag:hover::before {
  transform: translateX(100%)
}

.skill-tag i {
  margin-right: 8px;
  font-size: 1rem
}

.cybersecurity h3 {
  color: var(--neon-blue)
}

.development h3 {
  color: var(--neon-purple)
}

.tools h3 {
  color: var(--neon-green)
}

.programming h3 {
  color: var(--neon-pink)
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px)
  }

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

.skill-category {
  animation: fadeInUp 1.0s ease forwards
}

.skill-category:nth-child(1) {
  animation-delay: 0.5s
}

.skill-category:nth-child(2) {
  animation-delay: 0.6s
}

.skill-category:nth-child(3) {
  animation-delay: 0.7s
}

.skill-category:nth-child(4) {
  animation-delay: 0.8s
}

@media (max-width:768px) {
  .skills-grid {
    grid-template-columns: 1fr
  }

  .section-title {
    font-size: 2.2rem
  }

  .skill-list li {
    flex-direction: column;
    align-items: flex-start
  }

  .skill-icon {
    margin-bottom: 15px;
    margin-right: 0
  }

  #skills::before {
    background-position: left center;
    background-attachment: scroll
  }

  .skill-category {
    padding: 20px
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px)
  }

  to {
    opacity: 1;
    transform: translateX(0)
  }
}

.skill-list li {
  opacity: 0
}

.skill-list li.visible {
  animation: slideInLeft 0.9s ease forwards
}

.skill-list li:nth-child(1) {
  animation-delay: 0.5s
}

.skill-list li:nth-child(2) {
  animation-delay: 0.6s
}

.skill-list li:nth-child(3) {
  animation-delay: 0.7s
}

.skills-marquee {
  background: linear-gradient(90deg, #0f0f0f, #1a1a1a);
  padding: 30px 0;
  overflow: hidden;
  position: relative;
  border-top: 2px solid #333;
  border-bottom: 2px solid #333;
  transform: translateZ(0);
  backface-visibility: hidden
}

.skills-marquee::before,
.skills-marquee::after {
  content: "";
  position: absolute;
  top: 0;
  width: 150px;
  height: 100%;
  z-index: 2
}

.skills-marquee::before {
  left: 0;
  background: linear-gradient(to right, #0f0f0f 0%, transparent 100%)
}

.skills-marquee::after {
  right: 0;
  background: linear-gradient(to left, #0f0f0f 0%, transparent 100%)
}

.skills-marquee .marquee {
  display: flex;
  width: max-content;
  flex-direction: row;
  animation: marquee-right-to-left 25s linear infinite !important;
  animation-direction: normal !important;
  animation-play-state: running;
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden
}

.skills-marquee .marquee-content {
  display: flex;
  transform: translateZ(0)
}

.skills-marquee span {
  display: inline-flex;
  align-items: center;
  margin: 0 20px;
  font-size: 18px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  padding: 10px 20px;
  border-radius: 30px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transform: translateZ(0);
  backface-visibility: hidden
}

.skills-marquee span i {
  margin-right: 8px;
  font-size: 20px
}

.skills-marquee span:nth-child(1),
.skills-marquee span:nth-child(2),
.skills-marquee span:nth-child(3) {
  background: linear-gradient(135deg, #3498db, #2980b9);
  color: white;
  border: 1px solid #2c80c5
}

.skills-marquee span:nth-child(4),
.skills-marquee span:nth-child(5),
.skills-marquee span:nth-child(6),
.skills-marquee span:nth-child(7),
.skills-marquee span:nth-child(8) {
  background: linear-gradient(135deg, #9b59b6, #8e44ad);
  color: white;
  border: 1px solid #8e44ad
}

.skills-marquee span:nth-child(9),
.skills-marquee span:nth-child(10),
.skills-marquee span:nth-child(11),
.skills-marquee span:nth-child(12) {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
  color: white;
  border: 1px solid #27ae60
}

.skills-marquee span:nth-child(13),
.skills-marquee span:nth-child(14),
.skills-marquee span:nth-child(15),
.skills-marquee span:nth-child(16) {
  background: linear-gradient(135deg, #e67e22, #d35400);
  color: white;
  border: 1px solid #d35400
}

.skills-marquee span:nth-child(17),
.skills-marquee span:nth-child(18),
.skills-marquee span:nth-child(19),
.skills-marquee span:nth-child(20) {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: white;
  border: 1px solid #c0392b
}

.skills-marquee span:nth-child(21),
.skills-marquee span:nth-child(22),
.skills-marquee span:nth-child(23) {
  background: linear-gradient(135deg, #ff6b8b, #ff4757);
  color: white;
  border: 1px solid #ff4757
}

.skills-marquee span:nth-child(24),
.skills-marquee span:nth-child(25),
.skills-marquee span:nth-child(26) {
  background: linear-gradient(135deg, #00cec9, #00a8ff);
  color: white;
  border: 1px solid #00a8ff
}

.skills-marquee span:nth-child(27),
.skills-marquee span:nth-child(28),
.skills-marquee span:nth-child(29) {
  background: linear-gradient(135deg, #f39c12, #e67e22);
  color: white;
  border: 1px solid #e67e22
}

.skills-marquee span:hover {
  transform: translateY(-5px) scale(1.1) translateZ(0);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  z-index: 10
}

.skills-marquee span:nth-child(1):hover,
.skills-marquee span:nth-child(2):hover,
.skills-marquee span:nth-child(3):hover {
  background: linear-gradient(135deg, #2980b9, #3498db);
  box-shadow: 0 8px 20px rgba(52, 152, 219, 0.4)
}

.skills-marquee span:nth-child(4):hover,
.skills-marquee span:nth-child(5):hover,
.skills-marquee span:nth-child(6):hover,
.skills-marquee span:nth-child(7):hover,
.skills-marquee span:nth-child(8):hover {
  background: linear-gradient(135deg, #8e44ad, #9b59b6);
  box-shadow: 0 8px 20px rgba(155, 89, 182, 0.4)
}

.skills-marquee span:nth-child(9):hover,
.skills-marquee span:nth-child(10):hover,
.skills-marquee span:nth-child(11):hover,
.skills-marquee span:nth-child(12):hover {
  background: linear-gradient(135deg, #27ae60, #2ecc71);
  box-shadow: 0 8px 20px rgba(46, 204, 113, 0.4)
}

.skills-marquee span:nth-child(13):hover,
.skills-marquee span:nth-child(14):hover,
.skills-marquee span:nth-child(15):hover,
.skills-marquee span:nth-child(16):hover {
  background: linear-gradient(135deg, #d35400, #e67e22);
  box-shadow: 0 8px 20px rgba(230, 126, 34, 0.4)
}

.skills-marquee span:nth-child(17):hover,
.skills-marquee span:nth-child(18):hover,
.skills-marquee span:nth-child(19):hover,
.skills-marquee span:nth-child(20):hover {
  background: linear-gradient(135deg, #c0392b, #e74c3c);
  box-shadow: 0 8px 20px rgba(231, 76, 60, 0.4)
}

.skills-marquee span:nth-child(21):hover,
.skills-marquee span:nth-child(22):hover,
.skills-marquee span:nth-child(23):hover {
  background: linear-gradient(135deg, #ff4757, #ff6b8b);
  box-shadow: 0 8px 20px rgba(255, 107, 139, 0.4)
}

.skills-marquee span:nth-child(24):hover,
.skills-marquee span:nth-child(25):hover,
.skills-marquee span:nth-child(26):hover {
  background: linear-gradient(135deg, #00a8ff, #00cec9);
  box-shadow: 0 8px 20px rgba(0, 206, 201, 0.4)
}

.skills-marquee span:nth-child(27):hover,
.skills-marquee span:nth-child(28):hover,
.skills-marquee span:nth-child(29):hover {
  background: linear-gradient(135deg, #e67e22, #f39c12);
  box-shadow: 0 8px 20px rgba(243, 156, 18, 0.4)
}

@keyframes marquee-right-to-left {
  from {
    transform: translate3d(0, 0, 0)
  }

  to {
    transform: translate3d(-50%, 0, 0)
  }
}

.skills-marquee:hover .marquee {
  animation-play-state: paused !important
}

@media (prefers-reduced-motion:reduce) {
  .skills-marquee .marquee {
    animation: marquee-right-to-left 25s linear infinite !important;
    animation-play-state: running !important
  }
}

@media (-webkit-min-device-pixel-ratio:1.5) {
  .skills-marquee span {
    -webkit-font-smoothing: subpixel-antialiased
  }
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 30px
}

@media (max-width:768px) {
  .skills-grid {
    grid-template-columns: 1fr
  }
}

/* ---- project.css ---- */
#projects {
  position: relative;
  z-index: 1;
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(10, 10, 26, 0.9) 0%, rgba(5, 5, 16, 0.95) 100%)
}

#projects::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('image/css-bg-image/project bg.webp');
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  background-attachment: fixed;
  opacity: 0.18;
  z-index: -1;
  filter: brightness(0.7) contrast(1.3) blur(0.5px)
}

#projects::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(125deg, transparent 0%, rgba(0, 243, 255, 0.05) 40%, rgba(189, 0, 255, 0.05) 60%, transparent 100%);
  pointer-events: none;
  z-index: -1
}

#projects .section-title {
  text-align: center;
  margin-bottom: 40px;
  font-size: 2.5rem;
  color: #00f3ff;
  text-shadow: 0 0 15px rgba(0, 243, 255, 0.6);
  font-family: 'Courier New', monospace;
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%)
}

#projects .section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, #00f3ff, #bd00ff);
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.5)
}

#projects .stats-container {
  background: linear-gradient(135deg, rgba(10, 15, 30, 0.8), rgba(15, 10, 30, 0.8));
  color: white;
  padding: 40px 20px;
  border-radius: 15px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
  border: 2px solid rgba(0, 243, 255, 0.2);
  box-shadow: 0 0 30px rgba(0, 243, 255, 0.1);
  backdrop-filter: blur(8px)
}

#projects .stats-title {
  text-align: center;
  margin-bottom: 30px;
  font-size: 2rem;
  color: #00f3ff;
  text-shadow: 0 0 15px rgba(0, 243, 255, 0.6);
  font-family: 'Courier New', monospace
}

#projects .project-stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px
}

#projects .stat-item {
  background: rgba(255, 255, 255, 0.1);
  padding: 25px;
  border-radius: 12px;
  text-align: center;
  min-width: 250px;
  position: relative;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease
}

#projects .stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.6);
  border-color: #00f3ff
}

#projects .stat-icon-container {
  position: relative;
  margin: 0 auto 15px;
  width: 70px;
  height: 70px
}

#projects .stat-icon-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  animation: pulse 2s infinite
}

#projects .stat-icon {
  position: relative;
  font-size: 30px;
  color: #00f3ff;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-shadow: 0 0 15px rgba(0, 243, 255, 0.6)
}

#projects .stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  margin: 10px 0;
  color: #ffffff;
  text-shadow: 0 0 10px #00f3ff
}

#projects .stat-label {
  font-size: 1.2rem;
  margin-bottom: 5px;
  font-weight: 600;
  color: #00f3ff
}

#projects .stat-desc {
  font-size: 0.9rem;
  opacity: 0.8;
  color: #b8b8d0
}

#projects .project-card {
  background: rgba(10, 15, 30, 0.95);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 2px solid rgba(0, 243, 255, 0.15);
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.1), 0 15px 35px rgba(0, 0, 0, 0.5), inset 0 0 30px rgba(0, 243, 255, 0.05);
  display: flex;
  flex-direction: column;
  height: 100%;
  backdrop-filter: blur(8px);
  position: relative;
  transform-style: preserve-3d;
  perspective: 1000px;
  animation: fadeInUp 0.8s ease forwards
}

#projects .project-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, transparent, #00f3ff 20%, #bd00ff 80%, transparent);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: 14px
}

#projects .project-card:hover {
  transform: translateY(-8px) scale(1.02) rotateX(2deg);
  box-shadow: 0 0 40px rgba(0, 243, 255, 0.6), 0 25px 50px rgba(0, 0, 0, 0.6), inset 0 0 40px rgba(0, 243, 255, 0.1);
  border-color: rgba(0, 243, 255, 0.4)
}

#projects .project-card:hover::before {
  opacity: 0.6
}

#projects .project-img {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid rgba(0, 243, 255, 0.2);
  background: linear-gradient(135deg, #0a1a2a 0%, #1a0a2a 100%)
}

#projects .project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
  filter: brightness(0.9) contrast(1.1)
}

#projects .project-card:hover .project-img img {
  transform: scale(1.08);
  filter: brightness(1) contrast(1.2)
}

#projects .project-img::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(0, 243, 255, 0.1) 0%, rgba(189, 0, 255, 0.1) 50%, rgba(0, 243, 255, 0.1) 100%);
  opacity: 0.6
}

#projects .project-content {
  padding: 28px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, rgba(10, 15, 30, 0.9) 0%, rgba(15, 10, 30, 0.9) 100%)
}

#projects .project-content h3 {
  color: #00f3ff;
  margin-bottom: 18px;
  font-size: 1.7rem;
  text-shadow: 0 0 20px rgba(0, 243, 255, 0.6);
  font-weight: 700;
  letter-spacing: 0.8px;
  position: relative;
  padding-bottom: 12px;
  font-family: 'Courier New', monospace;
  text-transform: uppercase
}

#projects .project-content h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, #00f3ff, transparent);
  box-shadow: 0 0 10px #00f3ff
}

#projects .project-content p {
  color: #b8b8d0;
  margin-bottom: 22px;
  line-height: 1.7;
  flex-grow: 1;
  font-size: 1.05rem;
  text-shadow: 0 0 5px rgba(0, 243, 255, 0.3)
}

#projects .project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px
}

#projects .tag {
  padding: 7px 16px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid #bd00ff;
  border-radius: 20px;
  font-size: 0.85rem;
  color: #ffffff;
  transition: all 0.3s ease;
  font-weight: 500;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(5px);
  text-shadow: 0 0 5px #bd00ff
}

#projects .tag::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, #bd00ff, transparent);
  transition: left 0.6s ease
}

#projects .tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 15px #bd00ff;
  background: rgba(189, 0, 255, 0.2)
}

#projects .tag:hover::before {
  left: 100%
}

#projects .view-more-btn {
  background: linear-gradient(135deg, #00f3ff, #bd00ff);
  color: white;
  border: none;
  padding: 13px 24px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  margin-top: auto;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.9rem;
  position: relative;
  overflow: hidden;
  font-family: 'Courier New', monospace;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.3)
}

#projects .view-more-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease
}

#projects .view-more-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 243, 255, 0.6);
  letter-spacing: 2px
}

#projects .view-more-btn:hover::before {
  left: 100%
}

#projects .project-features {
  border-top: 2px solid rgba(0, 243, 255, 0.2);
  padding-top: 22px;
  margin-top: 18px;
  animation: fadeIn 0.5s ease;
  display: none
}

#projects .project-features h4 {
  color: #00ff9d;
  margin-bottom: 14px;
  font-size: 1.2rem;
  text-shadow: 0 0 15px #00ff9d;
  font-weight: 600;
  font-family: 'Courier New', monospace
}

#projects .project-features ul {
  list-style: none;
  padding-left: 0
}

#projects .project-features li {
  color: #b8b8d0;
  margin-bottom: 9px;
  padding-left: 24px;
  position: relative;
  font-size: 1rem;
  line-height: 1.6;
  text-shadow: 0 0 3px rgba(0, 243, 255, 0.2)
}

#projects .project-features li::before {
  content: '▶';
  color: #00f3ff;
  position: absolute;
  left: 0;
  font-size: 1.1rem;
  text-shadow: 0 0 8px #00f3ff;
  animation: blink 2s infinite
}

#projects .projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 40px
}

#projects .hidden-project {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease
}

#projects .view-more-projects-container {
  text-align: center;
  margin-top: 45px
}

#projects .view-more-projects-btn {
  background: linear-gradient(135deg, #bd00ff, #00f3ff);
  color: white;
  border: none;
  padding: 15px 32px;
  border-radius: 28px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  font-size: 1.05rem;
  box-shadow: 0 0 25px rgba(189, 0, 255, 0.4);
  position: relative;
  overflow: hidden;
  font-family: 'Courier New', monospace;
  border: 1px solid rgba(255, 255, 255, 0.2)
}

#projects .view-more-projects-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.8s ease
}

#projects .view-more-projects-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 35px rgba(0, 243, 255, 0.6);
  letter-spacing: 2.2px
}

#projects .view-more-projects-btn:hover::before {
  left: 100%
}

#projects .view-more-projects-btn i {
  margin-left: 8px;
  transition: transform 0.4s ease
}

#projects .view-more-projects-btn.active i {
  transform: rotate(180deg)
}

#projects .project-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #00f3ff, transparent);
  animation: scan 3s linear infinite;
  opacity: 0;
  transition: opacity 0.3s ease
}

#projects .project-card:hover::after {
  opacity: 0.6
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    opacity: 0.7
  }

  50% {
    transform: scale(1.1);
    opacity: 1
  }

  100% {
    transform: scale(0.95);
    opacity: 0.7
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px) rotateX(5deg)
  }

  to {
    opacity: 1;
    transform: translateY(0) rotateX(0)
  }
}

@keyframes scan {
  0% {
    top: 0
  }

  100% {
    top: 100%
  }
}

@keyframes blink {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: 0.6
  }
}

@keyframes fadeIn {
  from {
    opacity: 0
  }

  to {
    opacity: 1
  }
}

@media (max-width:768px) {
  #projects .project-stats {
    flex-direction: column;
    align-items: center
  }

  #projects .stat-item {
    width: 100%;
    max-width: 300px
  }

  #projects .projects-grid {
    grid-template-columns: 1fr
  }

  #projects .project-img {
    height: 180px
  }

  #projects .project-content {
    padding: 20px
  }

  #projects .project-content h3 {
    font-size: 1.4rem
  }

  #projects .view-more-projects-btn {
    padding: 12px 24px;
    font-size: 0.95rem
  }

  #projects::before {
    background-attachment: scroll
  }
}

#projects .hidden-project {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease
}

#projects .view-more-projects-btn.active {
  background: linear-gradient(135deg, #00f3ff, #bd00ff)
}

#projects .view-more-projects-btn i {
  transition: transform 0.3s ease
}

#projects .view-more-projects-btn.active i {
  transform: rotate(180deg)
}

#projects .button-row {
  display: flex;
  gap: 12px;
  margin-top: 18px
}

#projects .button-row .view-more-btn,
#projects .button-row .project-link {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 7px;
  border-radius: 250px;
  font-weight: 600;
  font-family: 'Courier New', monospace;
  letter-spacing: 1px;
  transition: all 0.3s ease
}

#projects .button-row .project-link {
  background: linear-gradient(135deg, #27ae60, #2ecc71);
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 15px rgba(39, 174, 96, 0.4)
}

#projects .button-row .project-link:hover {
  background: linear-gradient(135deg, #219653, #27ae60);
  box-shadow: 0 0 25px rgba(39, 174, 96, 0.7)
}

.project-features {
  display: none;
  transition: all 0.3s ease;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid rgba(0, 243, 255, 0.2)
}

.button-row {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  align-items: center
}

.button-row .view-more-btn,
.button-row .project-link {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 15px;
  border-radius: 25px;
  font-weight: 600;
  font-family: 'Courier New', monospace;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.2)
}

.button-row .view-more-btn {
  background: linear-gradient(135deg, #00f3ff, #bd00ff);
  color: white;
  border: none;
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.3)
}

.button-row .view-more-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 243, 255, 0.6)
}

.button-row .project-link {
  background: linear-gradient(135deg, #27ae60, #2ecc71);
  color: white;
  box-shadow: 0 0 15px rgba(39, 174, 96, 0.4)
}

.button-row .project-link:hover {
  background: linear-gradient(135deg, #219653, #27ae60);
  box-shadow: 0 0 25px rgba(39, 174, 96, 0.7);
  transform: translateY(-2px)
}

.view-more-btn:not(.button-row .view-more-btn) {
  background: linear-gradient(135deg, #00f3ff, #bd00ff);
  color: white;
  border: none;
  padding: 13px 24px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  margin-top: auto;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.9rem;
  position: relative;
  overflow: hidden;
  font-family: 'Courier New', monospace;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.3);
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px
}

.view-more-btn:not(.button-row .view-more-btn):hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 243, 255, 0.6)
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
  filter: brightness(0.9) contrast(1.1)
}

img {
  max-width: 100%;
  height: auto
}

iframe {
  max-width: 100%
}

/* ---- experience.css ---- */
.experience {
  padding: 100px 0;
  position: relative;
  background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.9)), url('image/css-bg-image/experience bg.webp') center/cover no-repeat fixed;
  color: #fff;
  min-height: 100vh
}

.experience::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 30%, rgba(46, 204, 113, 0.15) 0%, transparent 40%), radial-gradient(circle at 80% 70%, rgba(52, 152, 219, 0.15) 0%, transparent 40%);
  z-index: 0
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0
}

.particle {
  position: absolute;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: experienceParticleFloat 30s infinite linear;
  opacity: 0.65 !important;
  filter: drop-shadow(0 0 5px currentColor);
  animation-fill-mode: both;
  will-change: transform, opacity
}

@keyframes experienceParticleFloat {
  0% {
    transform: translate3d(0, 30vh, 0) rotate(0deg)
  }

  100% {
    transform: translate3d(100px, -80vh, 0) rotate(360deg)
  }
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 2
}

.section-title {
  text-align: center;
  font-size: 3rem;
  margin-bottom: 70px;
  position: relative;
  color: #fff;
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3)
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 5px;
  background: linear-gradient(90deg, #3498db, #2ecc71);
  border-radius: 3px;
  box-shadow: 0 0 15px rgba(46, 204, 113, 0.5)
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 0
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 100%;
  background: linear-gradient(to bottom, #3498db, #2ecc71);
  border-radius: 3px;
  box-shadow: 0 0 20px rgba(52, 152, 219, 0.5)
}

.timeline-item {
  position: relative;
  margin-bottom: 70px;
  width: 100%;
  display: flex;
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease
}

.timeline-item.visible {
  opacity: 1;
  transform: translateY(0)
}

.timeline-item:nth-child(odd) {
  justify-content: flex-start
}

.timeline-item:nth-child(even) {
  justify-content: flex-end
}

.timeline-content {
  position: relative;
  width: calc(50% - 60px);
  padding: 30px;
  background: rgba(20, 20, 30, 0.7);
  backdrop-filter: blur(8px);
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(46, 204, 113, 0.1));
  z-index: -1
}

.timeline-item:nth-child(odd) .timeline-content {
  border-left: 4px solid #3498db;
  box-shadow: 5px 5px 20px rgba(0, 0, 0, 0.3)
}

.timeline-item:nth-child(even) .timeline-content {
  border-right: 4px solid #2ecc71;
  box-shadow: -5px 5px 20px rgba(0, 0, 0, 0.3)
}

.timeline-content:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4)
}

.timeline-icon {
  position: absolute;
  top: -20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  box-shadow: 0 0 0 8px rgba(20, 20, 30, 0.8);
  z-index: 2
}

.timeline-item:nth-child(odd) .timeline-icon {
  right: -40px;
  background: linear-gradient(135deg, #3498db, #2980b9)
}

.timeline-item:nth-child(even) .timeline-icon {
  left: -40px;
  background: linear-gradient(135deg, #2ecc71, #27ae60)
}

.timeline-date {
  font-size: 0.95rem;
  font-weight: 600;
  color: #3498db;
  margin-bottom: 15px;
  display: inline-block;
  padding: 5px 15px;
  background: rgba(52, 152, 219, 0.1);
  border-radius: 20px;
  border: 1px solid rgba(52, 152, 219, 0.3)
}

.timeline-item:nth-child(even) .timeline-date {
  color: #2ecc71;
  background: rgba(46, 204, 113, 0.1);
  border: 1px solid rgba(46, 204, 113, 0.3)
}

.timeline-content h3 {
  margin-bottom: 15px;
  color: #fff;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.5px
}

.timeline-content p {
  margin-bottom: 15px;
  color: #e0e0e0;
  line-height: 1.7
}

.timeline-content p b {
  color: #fff;
  font-weight: 600
}

.timeline-content ul {
  padding-left: 20px;
  margin-bottom: 20px
}

.timeline-content li {
  margin-bottom: 10px;
  color: #e0e0e0;
  position: relative
}

.timeline-content li::before {
  content: '▹';
  color: #3498db;
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em
}

.timeline-item:nth-child(even) .timeline-content li::before {
  color: #2ecc71
}

.certificate-btn {
  background: linear-gradient(90deg, #3498db, #2ecc71);
  color: white;
  border: none;
  padding: 12px 25px;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  margin-top: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3)
}

.certificate-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 20px rgba(52, 152, 219, 0.4);
  background: linear-gradient(90deg, #2ecc71, #3498db)
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease
}

.modal.show {
  opacity: 1
}

.modal-content {
  background: linear-gradient(135deg, rgba(30, 30, 40, 0.95), rgba(20, 20, 30, 0.98));
  padding: 40px;
  border-radius: 15px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5);
  text-align: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transform: scale(0.9);
  transition: transform 0.3s ease
}

.modal.show .modal-content {
  transform: scale(1)
}

.modal-content h2 {
  margin-bottom: 20px;
  color: #fff;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px
}

.modal-content p {
  margin-bottom: 25px;
  color: #e0e0e0;
  line-height: 1.6
}

#adminPassword {
  width: 100%;
  padding: 15px;
  margin-bottom: 25px;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease
}

#adminPassword:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3)
}

.modal-buttons {
  display: flex;
  justify-content: center;
  gap: 15px
}

.submit-btn,
.cancel-btn {
  padding: 12px 30px;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px
}

.submit-btn {
  background: linear-gradient(90deg, #3498db, #2ecc71);
  color: white;
  box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3)
}

.cancel-btn {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2)
}

.submit-btn:hover,
.cancel-btn:hover {
  transform: translateY(-3px)
}

.submit-btn:hover {
  box-shadow: 0 7px 20px rgba(52, 152, 219, 0.4)
}

.cancel-btn:hover {
  background: rgba(255, 255, 255, 0.15)
}

#certificateModal {
  display: none;
  position: fixed;
  z-index: 1001;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease
}

#certificateModal.show {
  opacity: 1
}

.certificate-modal-content {
  max-width: 90%;
  max-height: 85%;
  background: #fff;
  padding: 25px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 0.3s ease
}

#certificateModal.show .certificate-modal-content {
  transform: scale(1)
}

.certificate-modal-content img {
  max-width: 100%;
  max-height: 75vh;
  border-radius: 8px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2)
}

.close {
  position: absolute;
  top: 25px;
  right: 25px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 32px;
  line-height: 1;
  cursor: pointer;
  transition: color 0.3s ease;
  z-index: 1002
}

.close:hover {
  color: #3498db
}

@media (max-width:992px) {
  .section-title {
    font-size: 2.5rem
  }

  .timeline-content {
    width: calc(55% - 40px)
  }
}

@media (max-width:768px) {
  .experience {
    padding: 70px 0
  }

  @media (max-width:768px) {
    #experience.experience::before {
      background: radial-gradient(circle at 50% 20%, rgba(0, 243, 255, 0.1), transparent 45%)
    }

    #experience .timeline {
      padding-left: 34px
    }

    #experience .timeline::before {
      left: 12px;
      transform: none
    }

    #experience .timeline-item,
    #experience .timeline-item:nth-child(odd),
    #experience .timeline-item:nth-child(even) {
      justify-content: flex-start
    }

    #experience .timeline-content {
      width: 100%;
      margin-left: 0;
      border-left: 3px solid #00f3ff !important;
      border-right: 1px solid rgba(0, 243, 255, 0.18) !important
    }

    #experience .timeline-item:nth-child(even) .timeline-content::after {
      color: rgba(0, 243, 255, 0.65)
    }

    #experience .timeline-item .timeline-icon,
    #experience .timeline-item:nth-child(odd) .timeline-icon,
    #experience .timeline-item:nth-child(even) .timeline-icon {
      left: -12px !important;
      right: auto !important;
      top: 30px;
      width: 42px;
      height: 42px;
      transform: translateX(-50%)
    }
  }

  .section-title {
    font-size: 2.2rem;
    margin-bottom: 50px
  }

  .timeline::before {
    left: 30px
  }

  .timeline-item {
    justify-content: flex-start !important;
    margin-bottom: 50px
  }

  .timeline-content {
    width: calc(100% - 70px);
    margin-left: 70px
  }

  .timeline-icon {
    left: -40px !important;
    right: auto !important;
    top: 0
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    border-left: 4px solid #3498db;
    border-right: none
  }

  .timeline-item:nth-child(even) .timeline-content li::before {
    color: #3498db
  }
}

@media (max-width:576px) {
  .section-title {
    font-size: 1.8rem
  }

  .timeline-content {
    padding: 20px
  }

  .timeline-content h3 {
    font-size: 1.4rem
  }

  .modal-content {
    padding: 25px
  }
}

@media (max-width:1200px) {
  .container {
    max-width: 960px
  }
}

@media (max-width:992px) {
  .section-title {
    font-size: 2.5rem
  }

  .timeline-content {
    width: calc(55% - 40px)
  }

  .timeline-content h3 {
    font-size: 1.5rem
  }
}

@media (max-width:768px) {
  .experience {
    padding: 70px 0;
    background-attachment: scroll
  }

  .section-title {
    font-size: 2.2rem;
    margin-bottom: 50px
  }

  .timeline::before {
    left: 30px
  }

  .timeline-item {
    justify-content: flex-start !important;
    margin-bottom: 50px
  }

  .timeline-content {
    width: calc(100% - 70px);
    margin-left: 70px
  }

  .timeline-icon {
    left: -40px !important;
    right: auto !important;
    top: 0;
    width: 40px;
    height: 40px;
    font-size: 1.2rem
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    border-left: 4px solid #3498db;
    border-right: none
  }

  .timeline-item:nth-child(even) .timeline-content li::before {
    color: #3498db
  }

  .timeline-item:nth-child(even) .timeline-date {
    color: #3498db;
    background: rgba(52, 152, 219, 0.1);
    border: 1px solid rgba(52, 152, 219, 0.3)
  }

  .modal-content {
    width: 85%;
    padding: 30px
  }
}

@media (min-width:769px) {
  #experience.experience {
    background: radial-gradient(circle at 15% 15%, rgba(0, 243, 255, .12), transparent 30%), radial-gradient(circle at 85% 80%, rgba(189, 0, 255, .14), transparent 32%), linear-gradient(135deg, #050713 0%, #0a1020 52%, #10091d 100%);
    isolation: isolate
  }

  #experience .timeline::before {
    width: 2px;
    background: repeating-linear-gradient(to bottom, #00f3ff 0 14px, transparent 14px 24px);
    box-shadow: 0 0 14px rgba(0, 243, 255, .75)
  }

  #experience .timeline-content {
    width: calc(50% - 52px);
    padding: 26px 28px;
    background: linear-gradient(145deg, rgba(12, 25, 43, .92), rgba(16, 10, 34, .9));
    border: 1px solid rgba(0, 243, 255, .3);
    border-radius: 6px 22px 6px 22px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, .35), inset 0 0 24px rgba(0, 243, 255, .04)
  }

  #experience .timeline-item:nth-child(odd) .timeline-content {
    border-left: 3px solid #00f3ff
  }

  #experience .timeline-item:nth-child(even) .timeline-content {
    border-right: 3px solid #bd00ff
  }

  #experience .timeline-content::after {
    content: 'ACTIVE LOG';
    position: absolute;
    top: 14px;
    right: 18px;
    color: rgba(0, 243, 255, .65);
    font: 600 .62rem/1 Roboto, sans-serif;
    letter-spacing: 1.5px
  }

  #experience .timeline-icon {
    top: 30px;
    width: 48px;
    height: 48px;
    border: 2px solid #07101e;
    box-shadow: 0 0 0 4px rgba(0, 243, 255, .22), 0 0 22px rgba(0, 243, 255, .7)
  }

  #experience .timeline-item:nth-child(odd) .timeline-icon {
    right: -75px;
    background: linear-gradient(135deg, #00f3ff, #1473ff)
  }

  #experience .timeline-item:nth-child(even) .timeline-icon {
    left: -75px;
    background: linear-gradient(135deg, #bd00ff, #6d36ff)
  }
}

@media (max-width:576px) {
  .section-title {
    font-size: 1.8rem
  }

  .timeline-content {
    padding: 20px;
    margin-left: 50px;
    width: calc(100% - 50px)
  }

  .timeline-content h3 {
    font-size: 1.4rem
  }

  .timeline-icon {
    left: -30px !important;
    width: 35px;
    height: 35px;
    font-size: 1rem
  }

  .modal-content {
    padding: 20px;
    width: 90%
  }

  .modal-content h2 {
    font-size: 1.5rem
  }

  .modal-buttons {
    flex-direction: column;
    gap: 10px
  }

  .submit-btn,
  .cancel-btn {
    width: 100%;
    justify-content: center
  }
}

@media (max-width:400px) {
  .section-title {
    font-size: 1.6rem
  }

  .timeline-content {
    padding: 15px;
    margin-left: 40px;
    width: calc(100% - 40px)
  }

  .timeline-content h3 {
    font-size: 1.3rem
  }

  .timeline-date {
    font-size: 0.85rem
  }

  .certificate-btn {
    padding: 10px 20px;
    font-size: 0.9rem
  }
}

#experience.experience {
  background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.9)), url('image/css-bg-image/experience bg.webp') center/cover no-repeat fixed !important
}

#experience.experience .timeline {
  max-width: 1040px !important;
  padding: 24px 0 24px 92px !important
}

#experience.experience .timeline::before {
  left: 30px !important;
  transform: none !important;
  width: 2px !important;
  height: calc(100% - 20px) !important;
  background: linear-gradient(to bottom, transparent, #00f3ff 15%, #bd00ff 85%, transparent) !important;
  box-shadow: 0 0 18px rgba(0, 243, 255, 0.7) !important
}

#experience.experience .timeline-item,
#experience.experience .timeline-item:nth-child(odd),
#experience.experience .timeline-item:nth-child(even) {
  display: block !important;
  width: 100% !important;
  margin: 0 0 28px !important;
  min-height: 0 !important
}

#experience.experience .timeline-content,
#experience.experience .timeline-item:nth-child(odd) .timeline-content,
#experience.experience .timeline-item:nth-child(even) .timeline-content {
  width: 100% !important;
  min-height: 180px !important;
  margin: 0 !important;
  padding: 30px 34px !important;
  border: 1px solid rgba(255, 255, 255, 0.16) !important;
  border-left: 4px solid #00f3ff !important;
  border-radius: 18px !important;
  background: rgba(7, 16, 32, 0.9) !important;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.38) !important;
  backdrop-filter: blur(8px)
}

#experience.experience .timeline-item:nth-child(even) .timeline-content {
  border-left-color: #bd00ff !important
}

#experience.experience .timeline-content::after {
  content: none !important
}

#experience.experience .timeline-content:hover {
  transform: translateX(8px) !important;
  border-color: rgba(0, 243, 255, 0.75) !important;
  box-shadow: 0 22px 44px rgba(0, 243, 255, 0.18) !important
}

#experience.experience .timeline-icon,
#experience.experience .timeline-item:nth-child(odd) .timeline-icon,
#experience.experience .timeline-item:nth-child(even) .timeline-icon {
  left: -92px !important;
  right: auto !important;
  top: 28px !important;
  width: 56px !important;
  height: 56px !important;
  transform: none !important;
  border: 5px solid #070b18 !important;
  background: linear-gradient(135deg, #00d9ff, #3158ff) !important;
  box-shadow: 0 0 0 2px #00f3ff, 0 0 22px rgba(0, 243, 255, 0.65) !important
}

#experience.experience .timeline-item:nth-child(even) .timeline-icon {
  background: linear-gradient(135deg, #bd00ff, #713bff) !important;
  box-shadow: 0 0 0 2px #bd00ff, 0 0 22px rgba(189, 0, 255, 0.65) !important
}

@media (max-width:768px) {
  #experience.experience .timeline {
    padding: 12px 0 12px 52px !important
  }

  #experience.experience .timeline::before {
    left: 16px !important
  }

  #experience.experience .timeline-content,
  #experience.experience .timeline-item:nth-child(odd) .timeline-content,
  #experience.experience .timeline-item:nth-child(even) .timeline-content {
    padding: 24px 20px !important;
    min-height: 0 !important
  }

  #experience.experience .timeline-icon,
  #experience.experience .timeline-item:nth-child(odd) .timeline-icon,
  #experience.experience .timeline-item:nth-child(even) .timeline-icon {
    left: -52px !important;
    top: 24px !important;
    width: 42px !important;
    height: 42px !important;
    font-size: 1rem !important
  }
}

/* ---- contact.css ---- */
#contact.contact-page {
  padding: 80px 0;
  position: relative;
  background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.9)), url('image/css-bg-image/contact bg.webp') center/cover no-repeat fixed;
  color: #fff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden
}

#contact .contact-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1
}

#contact .particle {
  position: absolute;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: float-up 32s infinite linear;
  opacity: 0.65 !important;
  filter: drop-shadow(0 0 5px currentColor);
  animation-fill-mode: both;
  will-change: transform, opacity
}

@keyframes float-up {
  0% {
    transform: translate3d(0, 30vh, 0)
  }

  100% {
    transform: translate3d(50px, -80vh, 0)
  }
}

#contact .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 3
}

#contact .page-header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  z-index: 4
}

#contact .page-header h2 {
  font-size: 3.5rem;
  margin-bottom: 15px;
  font-weight: 700;
  background: linear-gradient(90deg, #3498db, #2ecc71, #3498db);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  animation: gradient-shift 4s ease infinite
}

@keyframes gradient-shift {

  0%,
  100% {
    background-position: 0% center
  }

  50% {
    background-position: 100% center
  }
}

#contact .page-header p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  padding-bottom: 15px
}

#contact .page-header p::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: linear-gradient(to right, #3498db, #2ecc71);
  border-radius: 3px
}

#contact .content {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: center
}

#contact .contact-form {
  flex: 1;
  min-width: 300px;
  padding: 40px;
  background: rgba(20, 20, 30, 0.7);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden
}

#contact .contact-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(to bottom, #3498db, #2ecc71);
  transition: all 0.4s ease
}

#contact .contact-form:hover::before {
  width: 100%;
  opacity: 0.05
}

#contact .contact-form:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4)
}

#contact .contact-info {
  flex: 1;
  min-width: 300px;
  padding: 40px;
  background: rgba(20, 20, 30, 0.7);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden
}

#contact .contact-info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(to bottom, #3498db, #2ecc71);
  transition: all 0.4s ease
}

#contact .contact-info:hover::before {
  width: 100%;
  opacity: 0.05
}

#contact .contact-info:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4)
}

#contact .section-title {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 3px solid #3498db;
  position: relative;
  display: inline-block
}

#contact .section-title::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 50px;
  height: 3px;
  background: #2ecc71;
  transition: width 0.5s ease
}

#contact .contact-form:hover .section-title::after,
#contact .contact-info:hover .section-title::after {
  width: 100%
}

#contact .form-group {
  margin-bottom: 25px;
  position: relative
}

#contact input,
#contact textarea {
  width: 100%;
  padding: 16px 20px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  font-family: inherit;
  font-size: 16px;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.08);
  color: #fff
}

#contact input:focus,
#contact textarea:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 20px rgba(52, 152, 219, 0.3);
  background: rgba(255, 255, 255, 0.12)
}

#contact textarea {
  min-height: 150px;
  resize: vertical
}

#contact .floating-label {
  position: absolute;
  top: 18px;
  left: 20px;
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s ease;
  pointer-events: none
}

#contact input:focus+.floating-label,
#contact textarea:focus+.floating-label,
#contact input:not(:placeholder-shown)+.floating-label,
#contact textarea:not(:placeholder-shown)+.floating-label {
  top: -12px;
  left: 10px;
  font-size: 12px;
  background: #3498db;
  padding: 0 8px;
  color: #fff;
  font-weight: 500;
  border-radius: 4px
}

#contact .btn {
  background: linear-gradient(90deg, #3498db, #2ecc71);
  color: white;
  border: none;
  padding: 18px 30px;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2)
}

#contact .btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 25px rgba(0, 0, 0, 0.3);
  background: linear-gradient(90deg, #2ecc71, #3498db)
}

#contact .contact-info p {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  padding: 15px;
  border-radius: 10px;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.05);
  position: relative;
  z-index: 1
}

#contact .contact-info p a,
#contact .contact-info p a:visited,
#contact .contact-info p a:hover,
#contact .contact-info p a:active {
  color: inherit;
  text-decoration: none
}

#contact .contact-info p a[href^="mailto"],
#contact .contact-info p a[href^="tel"] {
  text-decoration: underline;
  text-underline-offset: 3px
}

#contact .contact-info p:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(5px)
}

#contact .contact-info i {
  margin-right: 15px;
  color: #3498db;
  font-size: 20px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(52, 152, 219, 0.1);
  border-radius: 50%;
  transition: all 0.3s ease
}

#contact .contact-info p:hover i {
  background: rgba(52, 152, 219, 0.2);
  transform: scale(1.1)
}

#contact .whatsapp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #25D366;
  color: white;
  padding: 15px 25px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 500;
  margin: 20px 0;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 10;
  min-width: 200px
}

#contact .whatsapp-btn:hover {
  background: #128C7E;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
  text-decoration: none
}

#contact .whatsapp-btn:active {
  transform: translateY(0px);
  transition: transform 0.1s ease
}

#contact .whatsapp-btn i {
  margin-right: 10px;
  font-size: 1.2em
}

#contact .whatsapp-btn.pulse {
  position: relative;
  pointer-events: auto !important
}

#contact .whatsapp-btn.pulse::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 5px 22px rgba(37, 211, 102, 0.55);
  opacity: 0;
  animation: simple-pulse 2s infinite;
  animation-fill-mode: both;
  pointer-events: none
}

@keyframes simple-pulse {

  0%,
  100% {
    opacity: 0
  }

  50% {
    opacity: 1
  }
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-top: 30px
}

.social-link-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  transition: all 0.3s ease;
  width: 80px
}

.social-link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: #fff;
  font-size: 24px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2)
}

.social-link-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #4fc3f7, #29b6f6);
  opacity: 0;
  transition: all 0.3s ease;
  border-radius: 50%
}

.social-link-icon i {
  position: relative;
  z-index: 1;
  transition: all 0.3s ease
}

.social-link-text {
  margin-top: 10px;
  color: #cbd5e1;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  transition: all 0.3s ease
}

.social-link-item:hover .social-link-icon::before {
  opacity: 1
}

.social-link-item:hover .social-link-icon {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3)
}

.social-link-item:hover .social-link-text {
  color: #4fc3f7;
  transform: translateY(2px)
}

.social-link-item[title="GitHub"]:hover .social-link-icon::before {
  background: linear-gradient(135deg, #6e5494, #333)
}

.social-link-item[title="LinkedIn"]:hover .social-link-icon::before {
  background: linear-gradient(135deg, #0077b5, #00a0dc)
}

.social-link-item[title="Twitter"]:hover .social-link-icon::before {
  background: linear-gradient(135deg, #1da1f2, #1a91da)
}

.social-link-item[title="Facebook"]:hover .social-link-icon::before {
  background: linear-gradient(135deg, #3b5998, #4267b2)
}

#contact #success-message,
#contact #error-message {
  padding: 20px;
  margin-top: 25px;
  border-radius: 10px;
  text-align: center;
  display: none;
  animation: fade-in 0.5s ease
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(20px)
  }

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

#contact #success-message {
  background: linear-gradient(135deg, rgba(46, 204, 113, 0.2), rgba(39, 174, 96, 0.2));
  color: #fff;
  border: 1px solid rgba(46, 204, 113, 0.3);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1)
}

#contact #error-message {
  background: linear-gradient(135deg, rgba(231, 76, 60, 0.2), rgba(192, 57, 43, 0.2));
  color: #fff;
  border: 1px solid rgba(231, 76, 60, 0.3);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1)
}

@media (max-width:768px) {
  #contact .content {
    flex-direction: column
  }

  #contact .page-header h2 {
    font-size: 2.5rem
  }

  #contact .contact-form,
  #contact .contact-info {
    padding: 25px
  }

  #contact .whatsapp-btn {
    padding: 12px 20px;
    font-size: 14px;
    min-width: 180px
  }

  .social-links {
    gap: 15px
  }

  .social-link-item {
    width: 70px
  }

  .social-link-icon {
    width: 50px;
    height: 50px;
    font-size: 20px
  }

  .social-link-text {
    font-size: 12px
  }
}

@media (hover:none) and (pointer:coarse) {
  #contact .whatsapp-btn {
    min-height: 50px;
    touch-action: manipulation
  }
}

/* ---- about.css ---- */
:root {
  --neon-blue: #00f3ff;
  --neon-purple: #d100ff;
  --neon-pink: #ff00ff;
  --neon-green: #00ff9d;
  --neon-yellow: #ffed00;
  --dark-bg: #0a0a1a;
  --darker-bg: #050510;
  --card-bg: rgba(15, 15, 35, 0.9);
  --text-color: #e6e6ff
}

#about.about {
  position: relative;
  padding: 60px 0
}

#about.about::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 243, 255, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 243, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -2;
  pointer-events: none
}

#about-particles.about-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  overflow: hidden
}

#about-particles .about-particle {
  position: absolute;
  border-radius: 50%;
  background: var(--neon-blue);
  opacity: 0.3;
  animation: floatParticle 15s infinite linear
}

#about-particles .particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.45;
  animation: aboutParticleRise 32s infinite linear;
  opacity: 0.7 !important;
  filter: drop-shadow(0 0 5px currentColor);
  animation-fill-mode: both;
  will-change: transform, opacity
}

@keyframes aboutParticleRise {
  0% {
    transform: translate3d(0, 30vh, 0)
  }

  100% {
    transform: translate3d(55px, -80vh, 0)
  }
}

@keyframes floatParticle {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0
  }

  10% {
    opacity: 0.3
  }

  90% {
    opacity: 0.2
  }

  100% {
    transform: translateY(-100vh) translateX(100vw);
    opacity: 0
  }
}

#about.about::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 30%, rgba(0, 243, 255, 0.15) 0%, transparent 40%), radial-gradient(circle at 80% 70%, rgba(209, 0, 255, 0.15) 0%, transparent 40%);
  z-index: -1
}

#about .section-title {
  font-size: 3.2rem;
  margin-bottom: 50px;
  text-align: center;
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
  letter-spacing: 2px;
  font-weight: 800;
  text-shadow: 0 0 15px rgba(209, 0, 255, 0.5)
}

#about .section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 4px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
  border-radius: 2px;
  box-shadow: 0 0 10px var(--neon-blue)
}

#about .about-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  background: var(--card-bg);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 0 30px rgba(0, 243, 255, 0.2), 0 0 60px rgba(209, 0, 255, 0.1), inset 0 0 20px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 243, 255, 0.1);
  position: relative;
  overflow: hidden
}

#about .about-content::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(0, 243, 255, 0.05), rgba(209, 0, 255, 0.05), transparent);
  transform: rotate(45deg);
  animation: shine 8s infinite;
  z-index: 0
}

@keyframes shine {
  0% {
    left: -50%
  }

  20% {
    left: 100%
  }

  100% {
    left: 100%
  }
}

#about .about-img {
  flex: 1;
  min-width: 300px;
  max-width: 400px;
  position: relative;
  z-index: 1
}

#about .about-img img {
  width: 100%;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.3), 0 0 40px rgba(209, 0, 255, 0.2);
  border: 1px solid var(--neon-blue);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
  position: relative;
  z-index: 2
}

#about .about-img img:hover {
  transform: scale(1.02);
  box-shadow: 0 0 30px rgba(0, 243, 255, 0.4), 0 0 60px rgba(209, 0, 255, 0.3)
}

#about .about-img::before {
  content: '';
  position: absolute;
  top: -15px;
  left: -15px;
  right: 15px;
  bottom: 15px;
  border: 2px solid var(--neon-blue);
  border-radius: 15px;
  z-index: -1;
  opacity: 0.5;
  transition: all 0.5s ease
}

#about .about-img:hover::before {
  top: -20px;
  left: -20px;
  right: 20px;
  bottom: 20px;
  opacity: 0.7
}

#about .cyber-orb {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--neon-blue), transparent 40%);
  box-shadow: 0 0 60px var(--neon-blue), 0 0 100px var(--neon-blue);
  filter: blur(8px);
  opacity: 0.2;
  bottom: -50px;
  right: -50px;
  z-index: 0;
  animation: pulse 4s infinite ease-in-out
}

@keyframes pulse {

  0%,
  100% {
    opacity: 0.2;
    transform: scale(1)
  }

  50% {
    opacity: 0.3;
    transform: scale(1.1)
  }
}

#about .floating-icons {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none
}

#about .floating-icon {
  position: absolute;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3);
  color: var(--neon-blue);
  font-size: 24px;
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
  border: 2px solid rgba(0, 243, 255, 0.5);
  animation: floating 6s infinite ease-in-out;
  backdrop-filter: blur(2px);
  z-index: 10;
  transition: all 0.5s ease
}

#about .floating-icon::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--neon-blue);
  animation: spin 3s linear infinite
}

#about .floating-icon::after {
  content: '';
  position: absolute;
  width: 120%;
  height: 120%;
  border-radius: 50%;
  border: 1px dashed rgba(0, 243, 255, 0.3);
  animation: spinReverse 8s linear infinite
}

#about .floating-icon i {
  filter: drop-shadow(0 0 5px var(--neon-blue));
  z-index: 2
}

#about .floating-icon:nth-child(1) {
  top: 10%;
  left: 20%;
  animation-delay: 0s;
  color: var(--neon-blue)
}

#about .floating-icon:nth-child(2) {
  top: 60%;
  left: 10%;
  animation-delay: 1s;
  color: var(--neon-purple);
  border-color: rgba(209, 0, 255, 0.5);
  box-shadow: 0 0 20px rgba(209, 0, 255, 0.5)
}

#about .floating-icon:nth-child(2)::before {
  border-top-color: var(--neon-purple)
}

#about .floating-icon:nth-child(3) {
  top: 30%;
  right: 15%;
  animation-delay: 2s;
  color: var(--neon-green);
  border-color: rgba(0, 255, 157, 0.5);
  box-shadow: 0 0 20px rgba(0, 255, 157, 0.5)
}

#about .floating-icon:nth-child(3)::before {
  border-top-color: var(--neon-green)
}

#about .floating-icon:nth-child(4) {
  bottom: 20%;
  right: 20%;
  animation-delay: 3s;
  color: var(--neon-pink);
  border-color: rgba(255, 0, 255, 0.5);
  box-shadow: 0 0 20px rgba(255, 0, 255, 0.5)
}

#about .floating-icon:nth-child(4)::before {
  border-top-color: var(--neon-pink)
}

@keyframes floating {

  0%,
  100% {
    transform: translateY(0) rotate(0deg) scale(1)
  }

  20% {
    transform: translateY(-20px) rotate(8deg) scale(1.1)
  }

  40% {
    transform: translateY(10px) rotate(-6deg) scale(1.05)
  }

  60% {
    transform: translateY(-15px) rotate(5deg) scale(1.07)
  }

  80% {
    transform: translateY(5px) rotate(-3deg) scale(1.03)
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg)
  }

  100% {
    transform: rotate(360deg)
  }
}

@keyframes spinReverse {
  0% {
    transform: rotate(0deg)
  }

  100% {
    transform: rotate(-360deg)
  }
}

#about .data-stream {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 15px;
  pointer-events: none;
  z-index: 0
}

#about .data-stream span {
  position: absolute;
  top: 0;
  height: 40px;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--neon-blue), transparent);
  opacity: 0.7;
  animation: dataStream 4s linear infinite;
  will-change: transform, opacity
}

#about .data-stream span:nth-child(1) {
  left: 10%;
  animation-delay: 0s;
  height: 30px
}

#about .data-stream span:nth-child(2) {
  left: 25%;
  animation-delay: 1s;
  height: 50px;
  background: linear-gradient(to bottom, transparent, var(--neon-purple), transparent)
}

#about .data-stream span:nth-child(3) {
  right: 30%;
  animation-delay: 2.5s;
  height: 35px;
  background: linear-gradient(to bottom, transparent, var(--neon-green), transparent)
}

#about .data-stream span:nth-child(4) {
  right: 15%;
  animation-delay: 1.5s;
  height: 45px
}

#about .data-stream span:nth-child(5) {
  left: 50%;
  animation-delay: 0.5s;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--neon-pink), transparent)
}

@keyframes dataStream {
  0% {
    transform: translateY(-60px);
    opacity: 0
  }

  10% {
    opacity: 1
  }

  90% {
    opacity: 1
  }

  100% {
    transform: translateY(460px);
    opacity: 0
  }
}

#about .about-text {
  flex: 1;
  min-width: 300px;
  z-index: 1
}

#about .about-text p {
  margin-bottom: 25px;
  font-size: 1.1rem;
  position: relative;
  padding-left: 20px;
  border-left: 2px solid var(--neon-purple);
  text-shadow: 0 0 5px rgba(0, 243, 255, 0.3)
}

#about .about-text b {
  color: var(--neon-blue);
  text-shadow: 0 0 5px var(--neon-blue)
}

#about .skills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 30px
}

#about .skill-pill {
  background: linear-gradient(135deg, rgba(0, 243, 255, 0.15), rgba(209, 0, 255, 0.15));
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.9rem;
  border: 1px solid rgba(0, 243, 255, 0.2);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer
}

#about .skill-pill::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: 0.5s
}

#about .skill-pill:hover::before {
  left: 100%
}

#about .skill-pill:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0, 243, 255, 0.4);
  border-color: var(--neon-blue);
  background: linear-gradient(135deg, rgba(0, 243, 255, 0.25), rgba(209, 0, 255, 0.25))
}

#about .skill-pill i {
  color: var(--neon-blue);
  font-size: 1.1rem
}

@media (max-width:768px) {
  #about .about-content {
    flex-direction: column !important;
    align-items: center;
    justify-content: center;
    padding: 20px 15px !important;
    gap: 20px !important;
    width: 100% !important;
    box-sizing: border-box
  }

  #about .about-img,
  #about .about-text {
    min-width: auto !important;
    max-width: 100% !important;
    width: 100% !important
  }

  #about .about-img {
    max-width: 320px !important;
    margin: 0 auto
  }

  #about .about-text {
    text-align: center;
    padding: 0 10px
  }

  #about .about-text p {
    text-align: justify;
    word-break: break-word;
    hyphens: auto;
    font-size: 1rem !important;
    line-height: 1.6;
    font-weight: 400;
    margin-bottom: 20px;
    color: var(--text-color)
  }

  #about .about-text b {
    font-weight: 600;
    color: var(--neon-blue)
  }

  #about .floating-icon {
    display: flex !important;
    width: 35px !important;
    height: 35px !important;
    font-size: 14px !important;
    opacity: 0.8
  }

  #about .floating-icon:nth-child(1) {
    top: 8%;
    left: 10%
  }

  #about .floating-icon:nth-child(2) {
    top: 65%;
    left: 15%
  }

  #about .floating-icon:nth-child(3) {
    top: 25%;
    right: 15%
  }

  #about .floating-icon:nth-child(4) {
    bottom: 10%;
    right: 18%
  }

  #about .skills-container {
    display: flex;
    flex-wrap: wrap !important;
    justify-content: center;
    gap: 8px !important;
    margin-top: 25px
  }

  #about .skill-pill {
    flex: 0 0 calc(50% - 8px) !important;
    min-width: 140px !important;
    max-width: calc(50% - 8px) !important;
    text-align: center;
    font-size: 0.9rem !important;
    padding: 10px 8px !important;
    box-sizing: border-box;
    justify-content: center;
    margin: 0 !important
  }

  #about .section-title {
    font-size: 2.2rem !important;
    margin-bottom: 30px !important
  }

  #about .cyber-orb {
    width: 120px !important;
    height: 120px !important;
    opacity: 0.2
  }

  #about .container {
    padding: 0 15px !important
  }
}

@media (max-width:768px) and (min-width:481px) {
  #about .about-content {
    padding: 25px 20px !important;
    gap: 25px !important
  }

  #about .about-text p {
    font-size: 1.05rem !important;
    line-height: 1.65
  }

  #about .skill-pill {
    font-size: 0.95rem !important;
    padding: 11px 10px !important;
    min-width: 150px !important;
    max-width: calc(50% - 8px) !important
  }

  #about .floating-icon {
    width: 40px !important;
    height: 40px !important;
    font-size: 16px !important
  }
}

@media (max-width:600px) and (orientation:portrait) {
  #about .about-text p {
    text-align: left;
    hyphens: none
  }

  #about .skills-container {
    justify-content: space-between;
    gap: 6px !important
  }

  #about .skill-pill {
    flex: 0 0 calc(50% - 6px) !important;
    min-width: 130px !important;
    max-width: calc(50% - 6px) !important;
    padding: 9px 6px !important;
    font-size: 0.85rem !important
  }
}

@media (max-width:768px) and (orientation:landscape) {
  #about .about-content {
    flex-direction: row !important;
    gap: 20px !important;
    padding: 15px !important
  }

  #about .about-img {
    max-width: 180px !important;
    flex: 0 0 auto
  }

  #about .about-text {
    flex: 1;
    text-align: left;
    padding: 0
  }

  #about .about-text p {
    text-align: left;
    font-size: 0.9rem !important
  }

  #about .skills-container {
    justify-content: flex-start;
    gap: 6px !important
  }

  #about .skill-pill {
    flex: 0 0 calc(33.333% - 6px) !important;
    min-width: 110px !important;
    max-width: calc(33.333% - 6px) !important;
    font-size: 0.8rem !important;
    padding: 8px 6px !important
  }
}

@media (max-width:480px) {
  #about .skills-container {
    display: flex;
    flex-wrap: wrap !important;
    flex-direction: row !important;
    justify-content: space-between !important;
    gap: 8px !important
  }

  #about .skill-pill {
    flex: 0 0 calc(50% - 8px) !important;
    min-width: calc(50% - 8px) !important;
    max-width: calc(50% - 8px) !important;
    text-align: center;
    justify-content: center;
    padding: 8px 6px !important;
    font-size: 0.82rem !important;
    margin: 0 !important
  }
}

@media (max-width:380px) {
  #about .skills-container {
    gap: 6px !important
  }

  #about .skill-pill {
    flex: 0 0 calc(50% - 6px) !important;
    min-width: calc(50% - 6px) !important;
    max-width: calc(50% - 6px) !important;
    font-size: 0.78rem !important;
    padding: 7px 4px !important
  }
}

/* ---- responsive.css ---- */
@media (max-width:1200px) {
  .container {
    padding: 0 20px
  }

  .hero-content h1 {
    font-size: 3.5rem
  }

  .hero-content h2 {
    font-size: 1.8rem
  }
}

@media (max-width:992px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: rgba(10, 15, 30, 0.98);
    backdrop-filter: blur(8px);
    flex-direction: column;
    padding: 80px 20px;
    transition: right 0.3s ease;
    z-index: 1000
  }

  .nav-links.active {
    right: 0
  }

  .nav-links li {
    margin: 15px 0
  }

  .menu-toggle {
    display: block;
    z-index: 1001
  }

  .hero-content h1 {
    font-size: 3rem
  }

  .hero-content h2 {
    font-size: 1.6rem
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 30px
  }

  .about-img {
    max-width: 400px;
    margin: 0 auto
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr)
  }
}

@media (max-width:768px) {
  .section-title {
    font-size: 2.2rem
  }

  .hero-content h1 {
    font-size: 2.5rem
  }

  .hero-content h2 {
    font-size: 1.4rem
  }

  .hero-content p {
    font-size: 1rem
  }

  .skills-grid {
    grid-template-columns: 1fr
  }

  .skill-category {
    margin-bottom: 30px
  }

  .projects-grid {
    grid-template-columns: 1fr
  }

  .project-card {
    margin-bottom: 30px
  }

  .project-stats {
    flex-direction: column;
    align-items: center
  }

  .stat-item {
    width: 100%;
    max-width: 300px;
    margin-bottom: 20px
  }

  .timeline-item {
    flex-direction: column;
    text-align: center
  }

  .timeline-icon {
    margin: 0 auto 20px
  }

  .timeline-content {
    text-align: left
  }

  .content {
    grid-template-columns: 1fr;
    gap: 40px
  }

  .contact-form,
  .contact-info {
    padding: 25px
  }

  .social-links {
    grid-template-columns: repeat(2, 1fr)
  }
}

@media (max-width:576px) {
  .container {
    padding: 0 15px
  }

  .section-title {
    font-size: 1.8rem
  }

  .hero-content h1 {
    font-size: 2rem
  }

  .hero-content h2 {
    font-size: 1.2rem
  }

  .btn {
    padding: 12px 25px;
    font-size: 0.9rem
  }

  .about-img {
    max-width: 300px
  }

  .skill-pill {
    font-size: 0.8rem;
    padding: 8px 15px
  }

  .tag {
    font-size: 0.75rem;
    padding: 5px 12px
  }

  .button-row {
    flex-direction: column;
    gap: 10px
  }

  .button-row .view-more-btn,
  .button-row .project-link {
    width: 100%;
    text-align: center
  }

  .form-group input,
  .form-group textarea {
    padding: 15px
  }

  .social-links {
    grid-template-columns: 1fr
  }

  .footer-bottom {
    flex-direction: column;
    gap: 15px;
    text-align: center
  }
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #00f3ff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1001
}

@media (max-width:992px) {
  .menu-toggle {
    display: block
  }
}

@media (hover:none) and (pointer:coarse) {
  .project-card:hover {
    transform: none
  }

  .view-more-btn:hover,
  .project-link:hover {
    transform: none
  }

  .skill-pill:hover {
    transform: none
  }
}

@media (-webkit-min-device-pixel-ratio:2),
(min-resolution:192dpi) {
  .project-img img {
    filter: brightness(0.8) contrast(1.1)
  }
}

@media print {

  .floating-shapes,
  .menu-toggle,
  .btn,
  .view-more-projects-btn,
  .back-to-top {
    display: none !important
  }

  body {
    background: white !important;
    color: black !important
  }

  .project-features {
    display: block !important
  }
}

@media (max-width:768px) {
  html {
    font-size: 14px
  }

  h1 {
    font-size: 2.2rem
  }

  h2 {
    font-size: 1.8rem
  }

  h3 {
    font-size: 1.4rem
  }

  p {
    font-size: 1rem;
    line-height: 1.6
  }
}

@media (max-width:480px) {
  html {
    font-size: 13px
  }

  h1 {
    font-size: 2rem
  }

  h2 {
    font-size: 1.6rem
  }

  h3 {
    font-size: 1.3rem
  }
}

.hide-on-mobile {
  display: block
}

.show-on-mobile {
  display: none
}

@media (max-width:768px) {
  .hide-on-mobile {
    display: none
  }

  .show-on-mobile {
    display: block
  }
}

.flex-mobile-column {
  flex-direction: row
}

@media (max-width:768px) {
  .flex-mobile-column {
    flex-direction: column
  }
}

.grid-mobile-1 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr))
}

@media (max-width:480px) {
  .grid-mobile-1 {
    grid-template-columns: 1fr
  }
}

.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1001
}

.menu-toggle .bar {
  width: 25px;
  height: 3px;
  background: #00f3ff;
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px
}

@media (max-width:992px) {
  .menu-toggle {
    display: flex;
    position: absolute;
    right: 20px;
    top: 20px
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: rgba(10, 15, 30, 0.98);
    backdrop-filter: blur(8px);
    flex-direction: column;
    padding: 80px 20px 20px;
    transition: right 0.3s ease;
    z-index: 1000;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
    margin: 0
  }

  .nav-links.active {
    right: 0
  }

  .nav-links li {
    margin: 20px 0;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease;
    list-style: none
  }

  .nav-links.active li {
    opacity: 1;
    transform: translateX(0)
  }

  .nav-links.active li:nth-child(1) {
    transition-delay: 0.1s
  }

  .nav-links.active li:nth-child(2) {
    transition-delay: 0.15s
  }

  .nav-links.active li:nth-child(3) {
    transition-delay: 0.2s
  }

  .nav-links.active li:nth-child(4) {
    transition-delay: 0.25s
  }

  .nav-links.active li:nth-child(5) {
    transition-delay: 0.3s
  }

  .nav-links.active li:nth-child(6) {
    transition-delay: 0.35s
  }

  .nav-links a {
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    padding: 15px 20px;
    border-radius: 5px;
    transition: all 0.3s ease;
    display: block;
    background: rgba(255, 255, 255, 0.05)
  }

  .nav-links a:hover {
    background: rgba(0, 243, 255, 0.15);
    transform: translateX(10px);
    color: #00f3ff
  }
}

.menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: 999
}

.menu-overlay.active {
  display: block
}

body.no-scroll {
  overflow: hidden
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  position: relative
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s ease;
  font-weight: 500
}

.nav-links a:hover {
  color: #00f3ff
}

@media (min-width:993px) {
  .nav-links {
    display: flex !important;
    position: static;
    flex-direction: row;
    width: auto;
    height: auto;
    background: transparent;
    padding: 0;
    box-shadow: none
  }

  .nav-links li {
    opacity: 1 !important;
    transform: none !important;
    margin: 0 !important
  }

  .nav-links a {
    background: transparent !important;
    padding: 10px 15px !important;
    font-size: 1rem !important
  }

  .nav-links a:hover {
    transform: none !important
  }
}

@media (max-width:992px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: rgba(10, 15, 30, 0.98);
    backdrop-filter: blur(8px);
    flex-direction: column;
    padding: 80px 20px 20px;
    transition: right 0.3s ease;
    z-index: 1000;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
    margin: 0;
    overflow-y: auto
  }

  .nav-links.active {
    right: 0
  }

  .nav-links li {
    margin: 20px 0;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease;
    list-style: none;
    display: block;
    width: 100%
  }

  .nav-links.active li {
    opacity: 1;
    transform: translateX(0)
  }

  .nav-links.active li:nth-child(1) {
    transition-delay: 0.1s
  }

  .nav-links.active li:nth-child(2) {
    transition-delay: 0.15s
  }

  .nav-links.active li:nth-child(3) {
    transition-delay: 0.2s
  }

  .nav-links.active li:nth-child(4) {
    transition-delay: 0.25s
  }

  .nav-links.active li:nth-child(5) {
    transition-delay: 0.3s
  }

  .nav-links.active li:nth-child(6) {
    transition-delay: 0.35s
  }

  .nav-links.active li:nth-child(7) {
    transition-delay: 0.4s
  }

  .nav-links a {
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    padding: 15px 20px;
    border-radius: 5px;
    transition: all 0.3s ease;
    display: block;
    background: rgba(255, 255, 255, 0.05);
    width: 100%;
    box-sizing: border-box
  }
}

/* -- logo css */
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo span {
    font-style: italic;
    font-weight: bold;
    font-size: 20px;
}