/* ==========================================
   NAVEEN ALUMINIUM - PREMIUM DESIGN SYSTEM
   World-Class Aluminium & Glass Solutions
   ========================================== */

/* CSS Variables - Design Tokens */
:root {
  /* Primary Colors - Aluminium Theme */
  --primary-50: #f8fafc;
  --primary-100: #f1f5f9;
  --primary-200: #e2e8f0;
  --primary-300: #cbd5e1;
  --primary-400: #94a3b8;
  --primary-500: #64748b;
  --primary-600: #475569;
  --primary-700: #334155;
  --primary-800: #1e293b;
  --primary-900: #0f172a;
  --primary-950: #020617;

  /* Accent - Premium Gold/Brass */
  --accent-50: #fffbeb;
  --accent-100: #fef3c7;
  --accent-200: #fde68a;
  --accent-300: #fcd34d;
  --accent-400: #fbbf24;
  --accent-500: #f59e0b;
  --accent-600: #d97706;
  --accent-700: #b45309;

  /* Metallic Silver */
  --silver-100: #f8f9fa;
  --silver-200: #e9ecef;
  --silver-300: #dee2e6;
  --silver-400: #ced4da;
  --silver-500: #adb5bd;
  --silver-600: #6c757d;
  --silver-700: #495057;
  --silver-800: #343a40;
  --silver-900: #212529;

  /* Glass Effect Colors */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-bg-solid: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-border-dark: rgba(0, 0, 0, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);

  /* Dark Theme */
  --dark-bg: #0a0e1a;
  --dark-bg-secondary: #111827;
  --dark-surface: #1f2937;
  --dark-text: #f9fafb;
  --dark-text-muted: #9ca3af;

  /* Light Theme (Default) */
  --light-bg: #ffffff;
  --light-bg-secondary: #f8fafc;
  --light-surface: #f1f5f9;
  --light-text: #0f172a;
  --light-text-muted: #64748b;

  /* Semantic */
  --bg: var(--light-bg);
  --bg-secondary: var(--light-bg-secondary);
  --surface: var(--light-surface);
  --text: var(--light-text);
  --text-muted: var(--light-text-muted);
  --accent: var(--accent-500);
  --accent-hover: var(--accent-600);

  /* Typography */
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font Sizes - Major Third Scale (1.25) */
  --text-xs: clamp(0.64rem, 0.05vw + 0.63rem, 0.68rem);
  --text-sm: clamp(0.8rem, 0.1vw + 0.77rem, 0.875rem);
  --text-base: clamp(1rem, 0.15vw + 0.96rem, 1.125rem);
  --text-lg: clamp(1.25rem, 0.25vw + 1.19rem, 1.5rem);
  --text-xl: clamp(1.563rem, 0.4vw + 1.47rem, 1.875rem);
  --text-2xl: clamp(1.953rem, 0.6vw + 1.82rem, 2.25rem);
  --text-3xl: clamp(2.441rem, 0.9vw + 2.24rem, 3rem);
  --text-4xl: clamp(3.052rem, 1.3vw + 2.75rem, 4rem);
  --text-5xl: clamp(3.815rem, 1.8vw + 3.37rem, 5rem);
  --text-6xl: clamp(4.768rem, 2.5vw + 4.12rem, 6.5rem);

  /* Spacing - Major Third Scale */
  --space-1: clamp(0.25rem, 0.05vw + 0.24rem, 0.3rem);
  --space-2: clamp(0.5rem, 0.1vw + 0.48rem, 0.6rem);
  --space-3: clamp(0.75rem, 0.15vw + 0.72rem, 0.9rem);
  --space-4: clamp(1rem, 0.2vw + 0.96rem, 1.2rem);
  --space-5: clamp(1.5rem, 0.3vw + 1.44rem, 1.8rem);
  --space-6: clamp(2rem, 0.4vw + 1.92rem, 2.4rem);
  --space-8: clamp(3rem, 0.6vw + 2.88rem, 3.6rem);
  --space-10: clamp(4rem, 0.8vw + 3.84rem, 4.8rem);
  --space-12: clamp(6rem, 1.2vw + 5.76rem, 7.2rem);
  --space-16: clamp(8rem, 1.6vw + 7.68rem, 9.6rem);
  --space-20: clamp(10rem, 2vw + 9.6rem, 12rem);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 40px rgba(245, 158, 11, 0.15);
  --shadow-glow-lg: 0 0 60px rgba(245, 158, 11, 0.2);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 700ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;

  /* Container */
  --container-max: 1400px;
  --container-padding: clamp(1rem, 4vw, 3rem);
}

/* Dark Mode Support */
[data-theme="dark"] {
  --bg: var(--dark-bg);
  --bg-secondary: var(--dark-bg-secondary);
  --surface: var(--dark-surface);
  --text: var(--dark-text);
  --text-muted: var(--dark-text-muted);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-solid: rgba(15, 23, 42, 0.95);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-dark: rgba(255, 255, 255, 0.05);
}

/* ==========================================
   RESET & BASE
   ========================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Selection */
::selection {
  background: var(--accent-500);
  color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-400);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-500);
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
.heading-display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.heading-1 {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.heading-2 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.heading-3 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.heading-4 {
  font-family: var(--font-body);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.25;
}

.heading-5 {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: 1.3;
}

.heading-6 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.4;
}

.text-lead {
  font-size: var(--text-xl);
  line-height: 1.6;
  color: var(--text-muted);
}

.text-body {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-muted);
}

.text-small {
  font-size: var(--text-sm);
  line-height: 1.5;
}

.text-meta {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-500);
}

/* ==========================================
   GLASSMORPHISM
   ========================================== */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
}

.glass-strong {
  background: var(--glass-bg-solid);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid var(--glass-border);
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ==========================================
   LAYOUT
   ========================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: 900px;
}

.container-wide {
  max-width: 1600px;
}

.section {
  padding: var(--space-16) 0;
  position: relative;
}

.section-sm {
  padding: var(--space-10) 0;
}

.section-lg {
  padding: var(--space-20) 0;
}

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

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

.justify-between {
  justify-content: space-between;
}

.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-700));
  box-shadow: var(--shadow-glow-lg);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--glass-border-dark);
}

.btn-secondary:hover {
  background: var(--primary-200);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--primary-300);
}

.btn-outline:hover {
  border-color: var(--accent-500);
  color: var(--accent-500);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover {
  color: var(--text);
  background: var(--surface);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ==========================================
   CARDS
   ========================================== */
.card {
  background: var(--bg);
  border: 1px solid var(--glass-border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-300);
}

.card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image img {
  transform: scale(1.08);
}

.card-content {
  padding: var(--space-6);
}

.card-premium {
  background: linear-gradient(145deg, var(--bg), var(--bg-secondary));
  border: 1px solid var(--glass-border-dark);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.card-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-400), var(--accent-500), var(--accent-600));
}

.card-premium:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--accent-300);
}

/* ==========================================
   BADGES & LABELS
   ========================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.badge-primary {
  background: var(--accent-100);
  color: var(--accent-700);
}

.badge-secondary {
  background: var(--primary-100);
  color: var(--primary-700);
}

.badge-outline {
  background: transparent;
  border: 1px solid var(--primary-300);
  color: var(--text-muted);
}

/* ==========================================
   FORMS
   ========================================== */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--text);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--bg);
  border: 1px solid var(--glass-border-dark);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: var(--text-base);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-500);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px rgba(245, 158, 11, 0.3); }
  50% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.6), 0 0 40px rgba(245, 158, 11, 0.2); }
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes borderGlow {
  0%, 100% { border-color: rgba(245, 158, 11, 0.3); }
  50% { border-color: rgba(245, 158, 11, 0.8); }
}

@keyframes heroReveal {
  from {
    opacity: 0;
    transform: scale(1.1);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes textReveal {
  from {
    opacity: 0;
    transform: translateY(40px);
    filter: blur(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes lineExpand {
  from { width: 0; }
  to { width: 60px; }
}

/* Animation Utilities */
.animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-1 { transition-delay: 100ms; }
.animate-delay-2 { transition-delay: 200ms; }
.animate-delay-3 { transition-delay: 300ms; }
.animate-delay-4 { transition-delay: 400ms; }
.animate-delay-5 { transition-delay: 500ms; }

.animate-fadeIn { animation: fadeIn 0.6s ease forwards; }
.animate-fadeInUp { animation: fadeInUp 0.6s ease forwards; }
.animate-fadeInDown { animation: fadeInDown 0.6s ease forwards; }
.animate-fadeInLeft { animation: fadeInLeft 0.6s ease forwards; }
.animate-fadeInRight { animation: fadeInRight 0.6s ease forwards; }
.animate-scaleIn { animation: scaleIn 0.6s ease forwards; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-shimmer {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}
.animate-glow { animation: glow 2s ease-in-out infinite; }
.animate-marquee { animation: marquee 30s linear infinite; }
.animate-rotate { animation: rotate 20s linear infinite; }

/* ==========================================
   MICRO INTERACTIONS
   ========================================== */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.hover-scale {
  transition: transform var(--transition-base);
}
.hover-scale:hover {
  transform: scale(1.05);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}
.hover-glow:hover {
  box-shadow: var(--shadow-glow);
}

.hover-underline {
  position: relative;
}
.hover-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-500);
  transition: width var(--transition-base);
}
.hover-underline:hover::after {
  width: 100%;
}

/* Magnetic Button Effect */
.magnetic {
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ==========================================
   GRADIENTS
   ========================================== */
.gradient-primary {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
}

.gradient-dark {
  background: linear-gradient(135deg, var(--primary-900), var(--primary-800));
}

.gradient-mesh {
  background: 
    radial-gradient(at 40% 20%, rgba(245, 158, 11, 0.15) 0px, transparent 50%),
    radial-gradient(at 80% 0%, rgba(100, 116, 139, 0.1) 0px, transparent 50%),
    radial-gradient(at 0% 50%, rgba(245, 158, 11, 0.08) 0px, transparent 50%),
    radial-gradient(at 80% 50%, rgba(100, 116, 139, 0.08) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(245, 158, 11, 0.1) 0px, transparent 50%);
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-400), var(--accent-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-border {
  position: relative;
}
.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: linear-gradient(135deg, var(--accent-500), var(--accent-400));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  border-radius: inherit;
  pointer-events: none;
}

/* ==========================================
   SHAPES & DECORATIONS
   ========================================== */
.shape-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  pointer-events: none;
}

.shape-blob-1 {
  width: 500px;
  height: 500px;
  background: rgba(245, 158, 11, 0.15);
  top: -100px;
  right: -100px;
}

.shape-blob-2 {
  width: 400px;
  height: 400px;
  background: rgba(100, 116, 139, 0.1);
  bottom: -100px;
  left: -100px;
}

.metallic-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-300), var(--accent-400), var(--primary-300), transparent);
}

.metallic-border {
  border: 1px solid;
  border-image: linear-gradient(135deg, var(--primary-300), var(--accent-400), var(--primary-300)) 1;
}

/* ==========================================
   LOADING STATES
   ========================================== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--surface) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */
.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;
}

.focus-visible:focus-visible {
  outline: 2px solid var(--accent-500);
  outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ==========================================
   RESPONSIVE BREAKPOINTS
   ========================================== */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1200px) {
  .grid[style*="grid-template-columns:repeat(5"] { grid-template-columns: repeat(3, 1fr) !important; }
}

@media (max-width: 768px) {
  .grid[style*="grid-template-columns:repeat(5"] { grid-template-columns: 1fr !important; }
}

@media (max-width: 992px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .heading-1 { font-size: var(--text-4xl); }
  .heading-2 { font-size: var(--text-3xl); }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5 { grid-template-columns: 1fr; }
  .section { padding: var(--space-10) 0; }
  .heading-1 { font-size: var(--text-3xl); }
  .heading-2 { font-size: var(--text-2xl); }
  .heading-3 { font-size: var(--text-xl); }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }
  .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
  }
}