/* ===================================
   LIXIN STUDIO - DESIGN SYSTEM
   =================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;700;900&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;700&display=swap');

/* ===================================
   CSS CUSTOM PROPERTIES
   =================================== */

:root {
  /* Colors - Dark Mode Base */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #121218;
  --color-bg-tertiary: #1a1a24;

  /* Vibrant Accent Colors */
  --color-primary: #00d4ff;
  --color-primary-dark: #0099ff;
  --color-secondary: #b829ff;
  --color-secondary-dark: #8b00ff;
  --color-accent: #ff006e;
  --color-accent-light: #ff4d94;
  --color-success: #00ff88;

  /* Text Colors */
  --color-text-primary: #ffffff;
  --color-text-secondary: #e0e0e0;
  --color-text-muted: #a0a0a0;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
  --gradient-success: linear-gradient(135deg, var(--color-success) 0%, var(--color-primary) 100%);
  --gradient-animated: linear-gradient(270deg, var(--color-primary), var(--color-secondary), var(--color-accent));

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-2xl: 8rem;

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Font Sizes - Fluid Typography */
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
  --font-size-xl: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem);
  --font-size-2xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
  --font-size-3xl: clamp(2.5rem, 2rem + 3vw, 5rem);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 212, 255, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 212, 255, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 212, 255, 0.3);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.5);

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 100;
  --z-fixed: 1000;
  --z-modal: 10000;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   TYPOGRAPHY
   =================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
}

h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

/* ===================================
   LAYOUT
   =================================== */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  min-height: 100vh;
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

/* ===================================
   NAVIGATION
   =================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--spacing-sm) 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  transition: all var(--transition-base);
}

.nav.scrolled {
  padding: var(--spacing-xs) 0;
  background: rgba(10, 10, 15, 0.95);
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.nav-logo:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--gradient-primary);
  transition: transform var(--transition-base);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  width: 28px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

/* ===================================
   HERO SECTION
   =================================== */

#hero {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--color-bg-primary);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-animated);
  background-size: 400% 400%;
  opacity: 0.1;
  animation: gradient-shift 15s ease infinite;
}

.hero-content {
  position: relative;
  z-index: var(--z-base);
  text-align: center;
  max-width: 900px;
  padding: var(--spacing-md);
}

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.glitch {
  position: relative;
  animation: glitch 3s infinite;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.8;
}

.glitch::before {
  animation: glitch-1 2s infinite;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
  transform: translate(-2px, -2px);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glitch::after {
  animation: glitch-2 2s infinite;
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
  transform: translate(2px, 2px);
  background: var(--gradient-success);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease 0.3s both;
}

.typewriter {
  display: inline-block;
  overflow: hidden;
  border-right: 3px solid var(--color-primary);
  white-space: nowrap;
  animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

.hero-cta {
  display: inline-flex;
  gap: var(--spacing-sm);
  animation: fadeInUp 1s ease 0.6s both;
}

.btn {
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  border: none;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.7);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-bg-primary);
  transform: translateY(-2px);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  animation: float 3s ease-in-out infinite;
}

.scroll-arrow {
  width: 30px;
  height: 50px;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  position: relative;
}

.scroll-arrow::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: scroll-down 2s infinite;
}

/* ===================================
   ABOUT SECTION
   =================================== */

#about {
  background: var(--color-bg-secondary);
  position: relative;
}

.blob-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  opacity: 0.3;
}

.blob {
  position: absolute;
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  background: var(--gradient-primary);
  filter: blur(60px);
  animation: morph 20s ease-in-out infinite;
}

.blob-1 {
  width: 400px;
  height: 400px;
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.blob-2 {
  width: 500px;
  height: 500px;
  bottom: -150px;
  right: -150px;
  background: var(--gradient-accent);
  animation-delay: 5s;
}

.about-content {
  position: relative;
  z-index: var(--z-base);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.about-text h2 {
  margin-bottom: var(--spacing-md);
}

.about-text p {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.stat-card {
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
  transition: left 0.5s;
}

.stat-card:hover::before {
  left: 100%;
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 900;
  font-family: var(--font-heading);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===================================
   SERVICES SECTION
   =================================== */

#services {
  background: var(--color-bg-primary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-subtitle {
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-xs);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.service-card {
  background: var(--color-bg-secondary);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.service-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.service-card:hover::before {
  opacity: 1;
}

.service-card:hover {
  transform: translateY(-10px) rotateX(5deg);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 60px;
  height: 60px;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  font-size: 30px;
  transition: transform var(--transition-base);
}

.service-card:hover .service-icon {
  transform: rotateY(360deg);
}

.service-card h3 {
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ===================================
   PORTFOLIO SECTION
   =================================== */

#portfolio {
  background: var(--color-bg-secondary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
}

.portfolio-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  cursor: pointer;
  transition: transform var(--transition-base);
}

.portfolio-card:hover {
  transform: scale(1.02);
}

.portfolio-visual {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.9), rgba(184, 41, 255, 0.9));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h3 {
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.portfolio-overlay p {
  text-align: center;
  color: var(--color-text-primary);
}

.portfolio-tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-sm);
}

/* ===================================
   TECH STACK SECTION
   =================================== */

#tech {
  background: var(--color-bg-primary);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.tech-item::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  padding: 2px;
  background: var(--gradient-primary);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.tech-item:hover::before {
  opacity: 1;
}

.tech-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.tech-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-sm);
  filter: grayscale(100%);
  transition: filter var(--transition-base);
}

.tech-item:hover .tech-icon {
  filter: grayscale(0%);
}

.tech-name {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-align: center;
}

/* ===================================
   CONTACT SECTION
   =================================== */

#contact {
  background: var(--color-bg-secondary);
  position: relative;
}

.contact-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.05;
  z-index: 0;
  background-image:
    repeating-linear-gradient(0deg, var(--color-primary) 0px, transparent 1px, transparent 40px),
    repeating-linear-gradient(90deg, var(--color-primary) 0px, transparent 1px, transparent 40px);
}

.contact-content {
  position: relative;
  z-index: var(--z-base);
  max-width: 800px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  position: relative;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-primary);
  border: 2px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.form-label {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-md);
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
  pointer-events: none;
  transition: all var(--transition-base);
}

.form-input:focus+.form-label,
.form-input:not(:placeholder-shown)+.form-label,
.form-textarea:focus+.form-label,
.form-textarea:not(:placeholder-shown)+.form-label {
  top: -10px;
  left: var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  background: var(--color-bg-secondary);
  padding: 0 var(--spacing-xs);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  align-self: flex-start;
  position: relative;
  overflow: hidden;
}

.form-submit.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.contact-info {
  margin-top: var(--spacing-xl);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.info-item {
  text-align: center;
  padding: var(--spacing-md);
}

.info-icon {
  font-size: 32px;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.info-item h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
}

.info-item p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ===================================
   FOOTER
   =================================== */

.footer {
  background: var(--color-bg-primary);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.footer-section p {
  color: var(--color-text-muted);
  line-height: 1.8;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--gradient-primary);
  color: var(--color-bg-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(0, 212, 255, 0.1);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes gradient-shift {

  0%,
  100% {
    background-position: 0% 50%;
  }

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

@keyframes glitch {

  0%,
  100% {
    transform: translate(0);
  }

  20% {
    transform: translate(-2px, 2px);
  }

  40% {
    transform: translate(-2px, -2px);
  }

  60% {
    transform: translate(2px, 2px);
  }

  80% {
    transform: translate(2px, -2px);
  }
}

@keyframes glitch-1 {

  0%,
  100% {
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
  }

  20% {
    clip-path: polygon(0 15%, 100% 15%, 100% 65%, 0 65%);
  }

  40% {
    clip-path: polygon(0 30%, 100% 30%, 100% 85%, 0 85%);
  }

  60% {
    clip-path: polygon(0 10%, 100% 10%, 100% 40%, 0 40%);
  }

  80% {
    clip-path: polygon(0 50%, 100% 50%, 100% 95%, 0 95%);
  }
}

@keyframes glitch-2 {

  0%,
  100% {
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
  }

  20% {
    clip-path: polygon(0 35%, 100% 35%, 100% 80%, 0 80%);
  }

  40% {
    clip-path: polygon(0 70%, 100% 70%, 100% 100%, 0 100%);
  }

  60% {
    clip-path: polygon(0 60%, 100% 60%, 100% 90%, 0 90%);
  }

  80% {
    clip-path: polygon(0 5%, 100% 5%, 100% 50%, 0 50%);
  }
}

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

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

@keyframes float {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(-20px);
  }
}

@keyframes scroll-down {
  0% {
    transform: translateX(-50%) translateY(0);
    opacity: 0;
  }

  40% {
    opacity: 1;
  }

  80% {
    transform: translateX(-50%) translateY(20px);
    opacity: 0;
  }

  100% {
    opacity: 0;
  }
}

@keyframes morph {

  0%,
  100% {
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    transform: translate(0, 0) rotate(0deg);
  }

  25% {
    border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%;
    transform: translate(50px, -50px) rotate(90deg);
  }

  50% {
    border-radius: 50% 50% 30% 70% / 50% 70% 30% 60%;
    transform: translate(0, 50px) rotate(180deg);
  }

  75% {
    border-radius: 30% 70% 70% 30% / 60% 40% 60% 40%;
    transform: translate(-50px, 0) rotate(270deg);
  }
}

@keyframes typing {
  from {
    width: 0;
  }

  to {
    width: 100%;
  }
}

@keyframes blink-caret {

  from,
  to {
    border-color: transparent;
  }

  50% {
    border-color: var(--color-primary);
  }
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes pulse {

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

  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: left var(--transition-base);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .tech-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  }

  section {
    padding: var(--spacing-lg) 0;
  }
}

@media (max-width: 640px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

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

  .contact-info {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {

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

/* ===================================
   UTILITY CLASSES
   =================================== */

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-center {
  text-align: center;
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

/* ===================================
   FAQ SECTION
   =================================== */

#faq {
  background: var(--color-bg-primary);
  padding: var(--spacing-xl) 0;
}

.faq-grid {
  max-width: 800px;
  margin: var(--spacing-lg) auto 0;
}

.faq-item {
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.faq-question {
  width: 100%;
  padding: var(--spacing-md) 0;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  font-size: 24px;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base) cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer p {
  padding-bottom: var(--spacing-md);
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
  margin-bottom: 0;
  line-height: 1.6;
}

.faq-question[aria-expanded="true"]+.faq-answer {
  max-height: 300px;
  /* Adjust as needed */
}