/* ============================================
   SnokOS - Modern Design System
   ============================================ */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Nova+Round&family=Cairo:wght@400;600;700&display=swap');

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */

:root {
  /* Colors - Light Mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --text-primary: #1a1a1a;
  --text-secondary: #4a5568;
  --text-tertiary: #718096;

  /* Accent Colors */
  --accent-primary: hsl(250, 90%, 58%);
  --accent-secondary: hsl(280, 90%, 58%);
  --accent-tertiary: hsl(200, 90%, 58%);
  --accent-gradient: linear-gradient(135deg, hsl(250, 90%, 58%) 0%, hsl(280, 90%, 58%) 50%, hsl(200, 90%, 58%) 100%);
  --accent-gradient-alt: linear-gradient(45deg, hsl(280, 90%, 58%) 0%, hsl(250, 90%, 58%) 100%);
  --accent-glow: hsla(250, 90%, 58%, 0.4);

  /* UI Colors */
  --border-color: #e2e8f0;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 40px var(--accent-glow);

  /* Glass Effect */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-blur: blur(10px);

  /* Typography */
  --font-primary: 'Nova Round', sans-serif;
  --font-arabic: 'Cairo', sans-serif;

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

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* Dark Mode Colors */
[data-theme="dark"] {
  --bg-primary: #0a0a0f;
  --bg-secondary: #13131a;
  --bg-tertiary: #1c1c26;
  --text-primary: #f7fafc;
  --text-secondary: #cbd5e0;
  --text-tertiary: #a0aec0;

  --accent-primary: hsl(250, 90%, 68%);
  --accent-secondary: hsl(280, 90%, 68%);
  --accent-tertiary: hsl(200, 90%, 68%);
  --accent-gradient: linear-gradient(135deg, hsl(250, 90%, 68%) 0%, hsl(280, 90%, 68%) 50%, hsl(200, 90%, 68%) 100%);
  --accent-gradient-alt: linear-gradient(45deg, hsl(280, 90%, 68%) 0%, hsl(250, 90%, 68%) 100%);
  --accent-glow: hsla(250, 90%, 68%, 0.5);

  --border-color: #2d3748;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);

  --glass-bg: rgba(19, 19, 26, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
  position: relative;
}

/* ============================================
   Loading Screen
   ============================================ */

.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-content {
  text-align: center;
  animation: fadeInScale 0.8s ease;
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.loading-logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
  filter: drop-shadow(0 8px 32px var(--accent-glow));
  animation: logoRotate 2s ease-in-out infinite;
  margin-bottom: var(--spacing-md);
}

@keyframes logoRotate {

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

  50% {
    transform: rotate(360deg) scale(1.1);
  }
}

.loading-title {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  animation: titlePulse 2s ease-in-out infinite;
}

@keyframes titlePulse {

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

  50% {
    opacity: 0.7;
    transform: translateY(-5px);
  }
}

.loading-spinner {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--spacing-md);
}

.spinner-ring {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-gradient);
  animation: spinnerBounce 1.4s ease-in-out infinite;
}

.spinner-ring:nth-child(1) {
  animation-delay: 0s;
}

.spinner-ring:nth-child(2) {
  animation-delay: 0.2s;
}

.spinner-ring:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes spinnerBounce {

  0%,
  80%,
  100% {
    transform: scale(0.8);
    opacity: 0.5;
  }

  40% {
    transform: scale(1.2);
    opacity: 1;
  }
}

/* ============================================
   3D Network Grid Background
   ============================================ */

.network-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}


/* Arabic Font Support */
body[lang="ar"] {
  font-family: var(--font-arabic);
}

/* RTL Support */
[dir="rtl"] {
  direction: rtl;
}

/* ============================================
   Typography
   ============================================ */

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

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

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

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

/* ============================================
   Utility Classes
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: radial-gradient(circle at 30% 50%, var(--accent-glow) 0%, transparent 50%);
  opacity: 0.05;
  pointer-events: none;
  animation: sectionGlow 15s ease-in-out infinite;
}

@keyframes sectionGlow {

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

  50% {
    transform: translateX(10%);
  }
}

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

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
  position: relative;
  display: inline-block;
}

@keyframes gradientShift {

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

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

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-base);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.logo img {
  height: 50px;
  width: 50px;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px var(--accent-glow));
  transition: all var(--transition-base);
  animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {

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

  50% {
    transform: translateY(-5px) rotate(5deg);
  }
}

.logo:hover img {
  transform: scale(1.15) rotate(15deg);
  filter: drop-shadow(0 8px 24px var(--accent-glow));
  animation: none;
}

.download-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--accent-gradient);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px var(--accent-glow);
  text-decoration: none;
}

.download-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
  color: white;
}

.download-icon {
  font-size: 1.2rem;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

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

  50% {
    transform: translateY(-3px);
  }
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Language Switcher */
.language-switcher {
  display: flex;
  gap: 0.25rem;
  background: var(--bg-secondary);
  padding: 0.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.lang-btn {
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--accent-gradient);
  color: white;
  box-shadow: var(--shadow-glow);
}

/* Theme Toggle */
.theme-toggle {
  width: 50px;
  height: 50px;
  border: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all var(--transition-base);
}

.theme-toggle:hover {
  background: var(--accent-gradient);
  border-color: transparent;
  box-shadow: var(--shadow-glow);
  transform: rotate(180deg);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--accent-gradient);
  opacity: 0.15;
  z-index: -1;
}

.hero-background::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  animation: pulse 8s ease-in-out infinite;
}

/* Floating particles effect */
.hero-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle, var(--accent-primary) 2px, transparent 2px),
    radial-gradient(circle, var(--accent-secondary) 1px, transparent 1px);
  background-size: 100px 100px, 150px 150px;
  background-position: 0 0, 50px 50px;
  opacity: 0.3;
  animation: floatParticles 20s linear infinite;
}

@keyframes floatParticles {
  0% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(50px, 50px);
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 0.3;
  }

  50% {
    transform: scale(1.2) rotate(180deg);
    opacity: 0.5;
  }
}

.hero-content {
  text-align: center;
  max-width: 800px;
  z-index: 1;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease, glow 3s ease-in-out infinite;
  text-shadow: 0 0 40px var(--accent-glow);
}

.hero p {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 0.8s ease 0.2s backwards;
}

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

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

@keyframes glow {

  0%,
  100% {
    text-shadow: 0 0 20px var(--accent-glow);
  }

  50% {
    text-shadow: 0 0 40px var(--accent-glow), 0 0 60px var(--accent-glow);
  }
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.4s backwards;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

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

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px var(--accent-glow);
  position: relative;
  z-index: 1;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, hsl(250, 84%, 64%) 0%, hsl(280, 84%, 64%) 100%);
  border-radius: var(--radius-full);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.btn-primary:hover {
  box-shadow: var(--shadow-lg), 0 0 40px var(--accent-glow), 0 0 60px var(--accent-glow);
  transform: translateY(-4px) scale(1.05);
}

.btn-primary:hover::after {
  opacity: 1;
}

.btn-primary:active {
  transform: translateY(-2px) scale(1.02);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-md), 0 0 20px var(--accent-glow);
}

/* ============================================
   Services Section
   ============================================ */

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  perspective: 1000px;
}

.service-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  transform-style: preserve-3d;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
  transform: rotate(45deg);
}

.service-card:hover::before {
  opacity: 0.1;
}

.service-card:hover {
  transform: translateY(-12px) rotateX(5deg) rotateY(5deg);
  box-shadow: var(--shadow-lg), 0 20px 60px var(--accent-glow);
  border-color: var(--accent-primary);
}

.service-icon {
  width: 70px;
  height: 70px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-glow), 0 8px 16px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 1;
  animation: float 3s ease-in-out infinite;
  transition: transform var(--transition-base);
}

@keyframes float {

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

  50% {
    transform: translateY(-10px);
  }
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
  animation: none;
}

.service-card h3 {
  margin-bottom: var(--spacing-xs);
  position: relative;
  z-index: 1;
  transition: color var(--transition-base);
}

.service-card:hover h3 {
  color: var(--accent-primary);
}

.service-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

/* ============================================
   About Section
   ============================================ */

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

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

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 40px var(--accent-glow);
  transition: all var(--transition-base);
}

.about-image:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: var(--shadow-lg), 0 0 60px var(--accent-glow);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.about-image:hover img {
  transform: scale(1.1);
}

/* ============================================
   3D Website Mockup Section
   ============================================ */

.mockup-section {
  background: var(--bg-primary);
  padding: var(--spacing-xl) 0;
  overflow: hidden;
}

.mockup-container {
  perspective: 2000px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 600px;
  margin-top: var(--spacing-lg);
}

.mockup-3d {
  position: relative;
  transform-style: preserve-3d;
  animation: float3D 6s ease-in-out infinite;
}

@keyframes float3D {

  0%,
  100% {
    transform: rotateX(10deg) rotateY(-15deg) translateY(0px);
  }

  50% {
    transform: rotateX(10deg) rotateY(-15deg) translateY(-20px);
  }
}

.mockup-screen {
  width: 800px;
  max-width: 90vw;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 20px;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.3),
    0 0 100px var(--accent-glow),
    inset 0 0 50px rgba(255, 255, 255, 0.05);
  transform: translateZ(50px);
  transition: transform 0.3s ease;
}

.mockup-screen:hover {
  transform: translateZ(80px) scale(1.02);
}

.mockup-browser {
  background: var(--bg-primary);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.browser-header {
  background: var(--bg-secondary);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.browser-dots {
  display: flex;
  gap: 8px;
}

.browser-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.browser-dots .dot.red {
  background: #ff5f56;
}

.browser-dots .dot.yellow {
  background: #ffbd2e;
}

.browser-dots .dot.green {
  background: #27c93f;
}

.browser-url {
  flex: 1;
  background: var(--bg-tertiary);
  padding: 6px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
}

.browser-content {
  padding: 40px 30px;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  min-height: 400px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  position: relative;
}

.browser-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, var(--accent-glow) 0%, transparent 50%);
  opacity: 0.3;
  pointer-events: none;
}

.glass-card {
  background: linear-gradient(135deg,
      rgba(255, 255, 255, 0.15),
      rgba(255, 255, 255, 0.05));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 30px 20px;
  text-align: center;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.1),
    inset 0 0 20px rgba(255, 255, 255, 0.05);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  animation: cardFloat 3s ease-in-out infinite;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg,
      transparent 30%,
      rgba(255, 255, 255, 0.1) 50%,
      transparent 70%);
  transform: rotate(45deg);
  transition: all 0.6s ease;
}

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

.glass-card:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow:
    0 15px 50px rgba(0, 0, 0, 0.2),
    0 0 30px var(--accent-glow),
    inset 0 0 30px rgba(255, 255, 255, 0.1);
  border-color: var(--accent-primary);
}

.card-1 {
  animation-delay: 0s;
}

.card-2 {
  animation-delay: 0.5s;
}

.card-3 {
  animation-delay: 1s;
}

@keyframes cardFloat {

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

  50% {
    transform: translateY(-10px);
  }
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 15px;
  filter: drop-shadow(0 4px 8px var(--accent-glow));
}

.glass-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

.mockup-reflection {
  position: absolute;
  bottom: -100px;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to bottom,
      rgba(255, 255, 255, 0.05) 0%,
      transparent 100%);
  transform: translateZ(-50px) scaleY(-0.5);
  opacity: 0.3;
  filter: blur(10px);
  pointer-events: none;
}

/* Responsive for mockup */
@media (max-width: 768px) {
  .mockup-3d {
    animation: none;
    transform: rotateX(5deg) rotateY(-10deg);
  }

  .mockup-screen {
    width: 95vw;
    padding: 15px;
  }

  .browser-content {
    grid-template-columns: 1fr;
    padding: 30px 20px;
    min-height: 300px;
  }

  .glass-card {
    animation: none;
  }
}

/* ============================================
   Contact Section
   ============================================ */

.contact-container {
  max-width: 600px;
  margin: 0 auto;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-base);
  position: relative;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px var(--accent-glow), 0 8px 24px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
  background: var(--bg-primary);
}

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

/* ============================================
   Footer
   ============================================ */

footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-section h3 {
  margin-bottom: var(--spacing-sm);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

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

.social-link {
  width: 45px;
  height: 45px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.social-link::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: var(--accent-gradient);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
  z-index: -1;
}

.social-link:hover::before {
  width: 100%;
  height: 100%;
}

.social-link:hover {
  color: white;
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 8px 20px var(--accent-glow);
  border-color: var(--accent-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet and below */
@media (max-width: 1024px) {
  :root {
    font-size: 15px;
  }

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

  .hero h1 {
    font-size: clamp(2rem, 6vw, 3.5rem);
  }
}

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

  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

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

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

  .navbar .container {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .nav-controls {
    width: 100%;
    justify-content: space-between;
  }

  .language-switcher {
    flex: 1;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

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

  .social-links {
    justify-content: center;
  }

  /* Reduce 3D effects on mobile for performance */
  .service-card:hover {
    transform: translateY(-8px);
  }

  .loading-logo {
    width: 100px;
    height: 100px;
  }

  .loading-title {
    font-size: 2.5rem;
  }
}

/* Mobile phones */
@media (max-width: 480px) {
  :root {
    font-size: 13px;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .logo img {
    height: 40px;
    width: 40px;
  }

  .logo span {
    font-size: 1.25rem;
  }

  .theme-toggle {
    width: 45px;
    height: 45px;
    font-size: 1.25rem;
  }

  .hero {
    min-height: 80vh;
  }

  .hero h1 {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.75rem;
  }

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

  .loading-logo {
    width: 80px;
    height: 80px;
  }

  .loading-title {
    font-size: 2rem;
  }

  /* Disable complex animations on small screens */
  .network-background {
    display: none;
  }
}

/* Large screens */
@media (min-width: 1440px) {
  .container {
    max-width: 1400px;
  }
}

/* Ultra-wide screens */
@media (min-width: 1920px) {
  .container {
    max-width: 1600px;
  }

  :root {
    font-size: 18px;
  }
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
}

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

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.back-to-top:active {
  transform: translateY(0) scale(0.95);
}