/* ============================================================
   BORABOT DESIGN SYSTEM — styles.css
   Shared CSS framework for all BoraBot landing pages
   ============================================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* Primary palette - Unified BoraBot Colors */
  --color-primary: #6366f1;
  --color-primary-light: #8b5cf6;
  --color-primary-rgb: 99, 102, 241;
  --color-primary-light-rgb: 139, 92, 246;

  /* Accent */
  --color-accent: #22d3ee;
  --color-accent-rgb: 34, 211, 238;

  /* Legacy / compatibility aliases */
  --color-bora-primary: var(--color-primary);
  --color-bora-secondary: var(--color-primary-light);
  --color-bora-accent: var(--color-accent);

  /* Backgrounds */
  --bg-dark: #0a0a0f;
  --bg-darker: #050508;
  --bg-card: #111118;
  --bg-card-hover: #16161f;
  --bg-section-alt: #13131a;

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-hover: rgba(255, 255, 255, 0.08);
  --glass-bg-strong: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hover: rgba(255, 255, 255, 0.18);
  --glass-blur: 16px;
  --glass-blur-strong: 24px;

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #e5e5e5;
  --text-muted: #94a3b8;
  --text-dimmed: #64748b;

  /* Borders */
  --border-color: #1e1e2e;
  --border-subtle: rgba(255, 255, 255, 0.06);

  /* Semantic */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* Spacing (8px base) */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;

  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  --text-lg: clamp(1rem, 0.925rem + 0.375vw, 1.125rem);
  --text-xl: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --text-2xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-3xl: clamp(1.5rem, 1.2rem + 1.5vw, 1.875rem);
  --text-4xl: clamp(1.875rem, 1.4rem + 2.375vw, 2.25rem);
  --text-5xl: clamp(2.25rem, 1.5rem + 3.75vw, 3rem);
  --text-6xl: clamp(2.75rem, 1.5rem + 6.25vw, 3.75rem);
  --text-7xl: clamp(3rem, 1.5rem + 7.5vw, 4.5rem);

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow-sm: 0 0 20px rgba(var(--color-primary-rgb), 0.2);
  --shadow-glow-md: 0 0 40px rgba(var(--color-primary-rgb), 0.3);
  --shadow-glow-lg: 0 0 60px rgba(var(--color-primary-rgb), 0.4);
  --shadow-glow-accent: 0 0 30px rgba(var(--color-accent-rgb), 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 500;
  --z-nav: 1000;
  --z-modal-backdrop: 5000;
  --z-modal: 5500;
  --z-toast: 9000;
  --z-max: 9999;

  /* Container */
  --container-max: 1200px;
  --container-wide: 1400px;
  --container-narrow: 800px;
  --container-padding: var(--space-6);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: var(--text-7xl); }
h2 { font-size: var(--text-5xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

a {
  color: inherit;
  text-decoration: none;
}

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

ul, ol { list-style: none; }

::selection {
  background: rgba(var(--color-primary-rgb), 0.3);
  color: var(--text-primary);
}

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

.container-wide {
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* ============================================================
   LAYOUT: GRID SYSTEM
   ============================================================ */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
  position: relative;
}

.section-dark {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
  position: relative;
  background-color: var(--bg-section-alt);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-xl);
  color: var(--text-muted);
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-16);
  line-height: 1.6;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

/* Hero section */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--space-24);
  padding-bottom: var(--space-16);
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 0%, rgba(var(--color-primary-rgb), 0.12) 0%, transparent 60%),
              var(--bg-darker);
}

.hero-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.15) 0%, transparent 70%);
  top: -250px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 0;
}

.hero-glow-accent {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.08) 0%, transparent 70%);
  bottom: -200px;
  right: -100px;
  pointer-events: none;
  z-index: 0;
}

/* ============================================================
   GLASSMORPHISM COMPONENTS
   ============================================================ */

/* Glass Card */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-sm);
}

.glass-card-sm {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.glass-card-lg {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-strong));
  -webkit-backdrop-filter: blur(var(--glass-blur-strong));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  transition: all var(--transition-base);
}

/* Glass card with gradient border */
.glass-card-gradient {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.glass-card-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light), var(--color-accent));
  -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;
  pointer-events: none;
}

.glass-card-gradient:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-sm);
}

/* Glass Navigation */
.glass-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: rgba(5, 5, 8, 0.85);
  backdrop-filter: blur(var(--glass-blur-strong));
  -webkit-backdrop-filter: blur(var(--glass-blur-strong));
  border-bottom: 1px solid var(--border-color);
  height: 64px;
}

.glass-nav .nav-inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.glass-nav .nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.glass-nav .nav-brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
}

.glass-nav .nav-brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
}

.glass-nav .nav-links {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

.glass-nav .nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.glass-nav .nav-links a:hover,
.glass-nav .nav-links a.active {
  color: var(--text-primary);
}

.glass-nav .nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 1px;
  transition: width var(--transition-base);
}

.glass-nav .nav-links a:hover::after,
.glass-nav .nav-links a.active::after {
  width: 100%;
}

@media (min-width: 768px) {
  .glass-nav .nav-links {
    display: flex;
  }
}

/* Mobile menu button */
.nav-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-primary);
}

.nav-menu-btn:hover {
  background: var(--glass-bg-hover);
}

@media (min-width: 768px) {
  .nav-menu-btn {
    display: none;
  }
}

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 4px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 768px) {
  .nav-links { display: none !important; }
  .mobile-menu-btn { display: flex; }
}

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 5, 8, 0.95);
  backdrop-filter: blur(var(--glass-blur-strong));
  -webkit-backdrop-filter: blur(var(--glass-blur-strong));
  z-index: calc(var(--z-nav) - 1);
  padding: var(--space-8) var(--space-6);
  flex-direction: column;
  gap: var(--space-4);
}

.mobile-menu.is-open {
  display: flex;
}

.mobile-menu a {
  color: var(--text-secondary);
  font-size: var(--text-lg);
  font-weight: 500;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--text-primary);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1;
  padding: 12px 24px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  border: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1;
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-decoration: none;
  border: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(var(--color-primary-rgb), 0.3);
  transition: all var(--transition-base);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--color-primary-rgb), 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1;
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1;
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-decoration: none;
  border: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
  background: transparent;
  color: var(--text-muted);
  transition: all var(--transition-base);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--glass-bg);
}

.btn-lg {
  padding: 18px 36px;
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-lg);
}

/* Ripple effect container */
.btn-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: ripple-effect 0.6s ease-out;
  pointer-events: none;
}

@keyframes ripple-effect {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradient-shift 4s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.gradient-text-static {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted { color: var(--text-muted); }
.text-dimmed { color: var(--text-dimmed); }
.text-primary-color { color: var(--color-primary-light); }
.text-accent { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

.badge-primary {
  background: rgba(var(--color-primary-rgb), 0.15);
  border-color: rgba(var(--color-primary-rgb), 0.3);
  color: var(--color-primary-light);
}

.badge-accent {
  background: rgba(var(--color-accent-rgb), 0.15);
  border-color: rgba(var(--color-accent-rgb), 0.3);
  color: var(--color-accent);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--color-success);
}

.badge-dot::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ============================================================
   FEATURE ICONS
   ============================================================ */
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.2), rgba(var(--color-primary-light-rgb), 0.1));
  border: 1px solid rgba(var(--color-primary-rgb), 0.2);
  color: var(--color-primary-light);
  margin-bottom: var(--space-4);
  font-size: 24px;
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.feature-icon-accent {
  background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.2), rgba(var(--color-accent-rgb), 0.1));
  border-color: rgba(var(--color-accent-rgb), 0.2);
  color: var(--color-accent);
}

.glass-card:hover .feature-icon {
  transform: scale(1.1);
  box-shadow: var(--shadow-glow-sm);
}

/* ============================================================
   GLOW EFFECTS
   ============================================================ */
.glow-effect {
  position: relative;
}

.glow-effect::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  z-index: -1;
  filter: blur(20px);
  transition: opacity var(--transition-base);
}

.glow-effect:hover::after {
  opacity: 0.4;
}

.glow-card:hover {
  box-shadow: 0 0 40px rgba(var(--color-primary-rgb), 0.2);
  transform: translateY(-4px);
  transition: all var(--transition-base);
}

/* ============================================================
   GRADIENT BORDER (Legacy support for existing pages)
   ============================================================ */
.gradient-border {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light), var(--color-accent));
  -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;
  pointer-events: none;
}

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

/* Scroll-triggered animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

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

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

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

.fade-in-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

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

.fade-in-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in {
  opacity: 0;
  transition: opacity 0.6s ease-out;
}

.fade-in.is-visible {
  opacity: 1;
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.scale-in.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays for children */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Floating animation */
.float {
  animation: float 6s ease-in-out infinite;
}

.float-slow {
  animation: float 8s ease-in-out infinite;
}

.float-fast {
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* Glow pulse */
.glow-pulse {
  animation: glow-pulse 2s ease-in-out infinite alternate;
}

@keyframes glow-pulse {
  0% { box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.2); }
  100% { box-shadow: 0 0 40px rgba(var(--color-primary-rgb), 0.5); }
}

/* Spin */
.spin {
  animation: spin 8s linear infinite;
}

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

/* Shimmer / loading effect */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.05),
    transparent
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  100% { left: 100%; }
}

/* Page transition */
.page-transition {
  animation: page-enter 0.5s ease-out;
}

@keyframes page-enter {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Typing cursor */
.typing-cursor::after {
  content: '|';
  animation: blink 1s step-end infinite;
  color: var(--color-primary-light);
}

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

/* Parallax-ready */
.parallax-layer {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border-color);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.footer-brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
}

.footer-brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
}

.footer-description {
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: 300px;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: var(--text-muted);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-copyright {
  color: var(--text-dimmed);
  font-size: var(--text-sm);
}

.footer-socials {
  display: flex;
  gap: var(--space-4);
}

.footer-socials a {
  color: var(--text-dimmed);
  transition: color var(--transition-fast);
}

.footer-socials a:hover {
  color: var(--color-primary-light);
}

/* ============================================================
   FORMS
   ============================================================ */
.input {
  width: 100%;
  padding: 12px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
  outline: none;
}

.input::placeholder {
  color: var(--text-dimmed);
}

.textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
  resize: vertical;
  min-height: 120px;
}

.textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
  outline: none;
}

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

.form-group {
  margin-bottom: var(--space-6);
}

/* ============================================================
   PRICING CARDS
   ============================================================ */
.pricing-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-sm);
}

.pricing-card.featured {
  border-color: rgba(var(--color-primary-rgb), 0.4);
  box-shadow: var(--shadow-glow-sm);
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -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;
  pointer-events: none;
}

.pricing-amount {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.pricing-period {
  color: var(--text-dimmed);
  font-size: var(--text-sm);
}

.pricing-features {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================================
   DIVIDERS & DECORATIONS
   ============================================================ */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border-color);
}

.divider-gradient {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.dot-grid {
  position: absolute;
  width: 300px;
  height: 300px;
  background-image: radial-gradient(circle, var(--glass-border) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.3;
  pointer-events: none;
}

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

.relative { position: relative; }
.absolute { position: absolute; }
.overflow-hidden { overflow: hidden; }
.pointer-events-none { pointer-events: none; }
.z-10 { z-index: 10; }
.w-full { width: 100%; }
.h-full { height: 100%; }

/* Spacing utilities */
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

/* Padding top for nav offset */
.has-nav {
  padding-top: 64px;
}

/* ============================================================
   RESPONSIVE: TABLET (768px+)
   ============================================================ */
@media (min-width: 768px) {
  .section {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }

  .section-dark {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }

  .hero-section {
    padding-top: var(--space-32);
    padding-bottom: var(--space-24);
  }

  .md-text-left { text-align: left; }
  .md-text-center { text-align: center; }
  .md-flex-row { flex-direction: row; }
}

/* ============================================================
   RESPONSIVE: DESKTOP (1024px+)
   ============================================================ */
@media (min-width: 1024px) {
  :root {
    --container-padding: var(--space-8);
  }

  .lg-text-left { text-align: left; }
  .lg-flex-row { flex-direction: row; }
}

/* ============================================================
   RESPONSIVE: WIDE (1440px+)
   ============================================================ */
@media (min-width: 1440px) {
  :root {
    --container-padding: var(--space-10);
  }
}

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

  .fade-in-up,
  .fade-in-down,
  .fade-in-left,
  .fade-in-right,
  .fade-in,
  .scale-in {
    opacity: 1;
    transform: none;
  }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-dimmed);
}