/* ============================================================
   OpticClose Marketing — Shared Design System
   marketing.css
   ============================================================ */

/* --- Google Fonts — Liquid Chrome Typography --- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #06060b;
  color: #e8f4ff;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* ============================================================
   CSS CUSTOM PROPERTIES — DESIGN SYSTEM
   ============================================================ */
:root {
  /* Colors — Liquid Chrome Dark Palette */
  --bg-base:        #06060b;
  --bg-deep:        #0a0a0f;
  --bg-surface:     #0e0e16;
  --bg-elevated:    #12121e;
  --bg-card:        rgba(255, 255, 255, 0.025);

  /* Chrome accent palette */
  --accent-blue:    #00d4ff;    /* chrome cyan — primary accent */
  --accent-cyan:    #00d4ff;
  --accent-silver:  #c0c0c0;
  --accent-purple:  #7c3aed;
  --accent-gold:    #f59e0b;
  --accent-green:   #10b981;
  --accent-pink:    #ec4899;

  /* Chrome text */
  --text-primary:   #e8f4ff;
  --text-secondary: #a0b4c8;
  --text-muted:     #5a6878;
  --text-dim:       #374151;

  /* Glass — Liquid Chrome Glassmorphism */
  --glass-bg:       rgba(255, 255, 255, 0.025);
  --glass-border:   rgba(255, 255, 255, 0.07);
  --glass-hover:    rgba(255, 255, 255, 0.05);
  --glass-blur:     blur(24px);

  /* Glows — Chrome depth */
  --glow-blue:      0 0 24px rgba(0, 212, 255, 0.3), 0 0 80px rgba(0, 212, 255, 0.1);
  --glow-blue-sm:   0 0 12px rgba(0, 212, 255, 0.2);
  --glow-cyan:      0 0 24px rgba(0, 212, 255, 0.3), 0 0 80px rgba(0, 212, 255, 0.1);
  --glow-chrome:    0 0 20px rgba(192, 192, 192, 0.15), 0 0 60px rgba(0, 212, 255, 0.08);
  --glow-purple:    0 0 24px rgba(124, 58, 237, 0.35), 0 0 80px rgba(124, 58, 237, 0.12);
  --glow-gold:      0 0 24px rgba(245, 158, 11, 0.3);
  --glow-card:      0 8px 48px rgba(0, 212, 255, 0.08), 0 2px 12px rgba(0,0,0,0.5);

  /* Typography — Chrome fonts */
  --font-base:      'DM Sans', -apple-system, sans-serif;
  --font-display:   'Space Grotesk', sans-serif;
  --size-xs:        0.75rem;    /* 12px */
  --size-sm:        0.875rem;   /* 14px */
  --size-base:      1rem;       /* 16px */
  --size-md:        1.125rem;   /* 18px */
  --size-lg:        1.25rem;    /* 20px */
  --size-xl:        1.5rem;     /* 24px */
  --size-2xl:       1.875rem;   /* 30px */
  --size-3xl:       2.25rem;    /* 36px */
  --size-4xl:       3rem;       /* 48px */
  --size-5xl:       3.75rem;    /* 60px */
  --size-6xl:       4.5rem;     /* 72px */
  --size-hero:      clamp(2.75rem, 6vw, 5rem);
  --size-section:   clamp(2rem, 4vw, 3.5rem);

  --leading-tight:  1.1;
  --leading-snug:   1.3;
  --leading-base:   1.6;
  --leading-loose:  1.8;

  --tracking-tight: -0.03em;
  --tracking-snug:  -0.02em;
  --tracking-wide:  0.05em;
  --tracking-wider: 0.1em;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radii */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-2xl:  40px;
  --radius-full: 9999px;

  /* Borders */
  --border-glass: 1px solid var(--glass-border);
  --border-glow:  1px solid rgba(0, 180, 216, 0.3);

  /* Transitions */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg:  0 8px 48px rgba(0,0,0,0.6);
  --shadow-xl:  0 16px 80px rgba(0,0,0,0.7);

  /* Layout */
  --container-max: 1200px;
  --nav-height:    72px;
  --section-pad-y: clamp(4rem, 8vw, 8rem);
}

/* ============================================================
   SCROLL PROGRESS BAR
   ============================================================ */
/* Heading font override */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
}

/* Chrome scroll progress bar — iridescent sweep */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, #c0c0c0, #00d4ff, #e8f4ff, #00d4ff, #c0c0c0);
  background-size: 200% 100%;
  z-index: 10000;
  transition: width 50ms linear;
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.6), 0 0 24px rgba(192, 192, 192, 0.3);
  pointer-events: none;
  animation: chrome-shimmer 3s linear infinite;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-8);
  z-index: 1000;
  transition: background var(--transition-slow), backdrop-filter var(--transition-slow), border-color var(--transition-slow);
  border-bottom: 1px solid transparent;
}

#main-nav.scrolled {
  background: rgba(6, 6, 11, 0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom-color: var(--glass-border);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  transition: transform var(--transition-base);
}
.nav-logo:hover {
  transform: scale(1.03);
}
.nav-logo:hover .logo-mark {
  box-shadow: var(--glow-blue);
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  /* Chrome iridescent logo mark */
  background: linear-gradient(135deg, rgba(0,212,255,0.2) 0%, rgba(192,192,192,0.15) 50%, rgba(0,100,220,0.2) 100%);
  border: 1px solid rgba(0,212,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--size-xs);
  font-weight: 800;
  letter-spacing: 0;
  color: #e8f4ff;
  flex-shrink: 0;
  transition: box-shadow var(--transition-base);
  box-shadow: 0 0 10px rgba(0,212,255,0.1), inset 0 1px 0 rgba(255,255,255,0.1);
}
.nav-logo:hover .logo-mark {
  box-shadow: 0 0 20px rgba(0,212,255,0.3), inset 0 1px 0 rgba(255,255,255,0.15);
}

.nav-brand {
  font-size: var(--size-md);
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.01em;
  /* Chrome metallic brand name */
  background: linear-gradient(135deg, #d4d4d8 0%, #f0f9ff 25%, #00d4ff 55%, #e2e8f0 80%, #c0c0c0 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.nav-sub {
  font-size: var(--size-xs);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  line-height: 1;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-links a {
  font-size: var(--size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
  position: relative;
  transition: color var(--transition-fast);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-blue);
  transition: width var(--transition-base);
}
.nav-links a:hover {
  color: var(--text-primary);
}
.nav-links a:hover::after {
  width: 100%;
}

/* Nav actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav-login {
  font-size: var(--size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-login:hover {
  color: var(--text-primary);
  background: var(--glass-hover);
}

/* Chrome CTA nav button */
.nav-cta {
  font-size: var(--size-sm);
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  color: #e8f4ff;
  background: linear-gradient(135deg, rgba(0,212,255,0.14) 0%, rgba(0,100,220,0.18) 50%, rgba(0,212,255,0.12) 100%);
  border: 1px solid rgba(0,212,255,0.3);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: 0 2px 12px rgba(0, 212, 255, 0.15), inset 0 1px 0 rgba(255,255,255,0.08);
  position: relative;
  overflow: hidden;
}
/* Chrome shimmer on nav CTA */
.nav-cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255,255,255,0.1) 50%, transparent 65%);
  background-size: 200% 100%;
  background-position: -200% 0;
  transition: background-position 0.5s ease;
}
.nav-cta:hover::after { background-position: 200% 0; }
.nav-cta:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3), 0 0 0 1px rgba(0,212,255,0.2);
  border-color: rgba(0,212,255,0.5);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: 1100;
  position: relative;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 11, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}
.nav-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.nav-overlay a {
  font-size: var(--size-3xl);
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: var(--tracking-snug);
  transform: translateY(20px);
  opacity: 0;
  transition: color var(--transition-base), transform var(--transition-spring), opacity var(--transition-base);
}
.nav-overlay.open a {
  transform: translateY(0);
  opacity: 1;
}
.nav-overlay a:hover {
  color: var(--accent-blue);
}
.nav-overlay a.nav-cta {
  color: #fff;
  font-size: var(--size-xl);
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  position: relative;
  background: #06060b;
  border-top: 1px solid var(--glass-border);
  padding: var(--space-16) 0 var(--space-8);
  overflow: hidden;
}

.footer-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 180, 216, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.04) 0%, transparent 50%);
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.footer-brand-name {
  font-size: var(--size-lg);
  font-weight: 700;
  letter-spacing: var(--tracking-snug);
}
.footer-brand-sub {
  font-size: var(--size-xs);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wide);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
}
.footer-links a {
  font-size: var(--size-sm);
  color: var(--text-muted);
  transition: color var(--transition-fast);
}
.footer-links a:hover {
  color: var(--text-primary);
}

.footer-cta {
  display: inline-flex;
  align-items: center;
  font-size: var(--size-sm);
  font-weight: 600;
  color: var(--accent-blue);
  border: 1px solid rgba(0, 180, 216, 0.3);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  transition: background var(--transition-base), box-shadow var(--transition-base), color var(--transition-base);
}
.footer-cta:hover {
  background: rgba(0, 180, 216, 0.1);
  box-shadow: var(--glow-blue-sm);
  color: var(--accent-cyan);
}

.footer-copy {
  font-size: var(--size-xs);
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

/* ============================================================
   BUTTONS
   ============================================================ */
/* ── Liquid Chrome Primary Button ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--size-md);
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  color: #e8f4ff;
  /* Chrome iridescent fill */
  background: linear-gradient(135deg, rgba(0,212,255,0.15) 0%, rgba(0,100,220,0.2) 50%, rgba(0,212,255,0.12) 100%);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  border: 1px solid rgba(0,212,255,0.35);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.2), inset 0 1px 0 rgba(255,255,255,0.1);
}
/* Chrome shimmer sweep */
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255,255,255,0.12) 50%, transparent 65%);
  background-size: 200% 100%;
  background-position: -200% 0;
  transition: background-position 0.5s ease;
}
.btn-primary:hover::after { background-position: 200% 0; }
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 40px rgba(0, 212, 255, 0.3), 0 0 0 1px rgba(0,212,255,0.25);
  border-color: rgba(0,212,255,0.55);
}
.btn-primary:active {
  transform: translateY(0) scale(0.99);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--size-md);
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text-secondary);
  background: transparent;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  border: 1px solid rgba(0,212,255,0.2);
  cursor: pointer;
  transition: color var(--transition-base), border-color var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}
.btn-ghost:hover {
  color: var(--text-primary);
  border-color: rgba(0, 212, 255, 0.4);
  background: rgba(0, 212, 255, 0.05);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.12);
}

.btn-glow-ring {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-glow-ring::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 180, 216, 0.3);
  opacity: 0;
  transform: scale(0.95);
  transition: opacity var(--transition-base), transform var(--transition-spring);
}
.btn-glow-ring:hover::before {
  opacity: 1;
  transform: scale(1.08);
}
.btn-glow-ring::after {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 180, 216, 0.12);
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--transition-slow), transform calc(var(--transition-spring) * 1.2);
}
.btn-glow-ring:hover::after {
  opacity: 1;
  transform: scale(1.18);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--glass-bg);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover {
  background: rgba(255,255,255,0.04);
  border-color: rgba(0, 212, 255, 0.18);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.1), 0 8px 48px rgba(0,0,0,0.5);
  transform: translateY(-4px);
}

/* Chrome glass card */
.glass-card {
  background: rgba(10,10,22,0.5);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}
/* Chrome rim on glass cards */
.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(192,192,192,0.3), rgba(0,212,255,0.2), transparent);
  pointer-events: none;
}
.glass-card:hover {
  background: rgba(10,10,22,0.65);
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.1), 0 8px 40px rgba(0,0,0,0.4);
}

/* Chrome glow card */
.glow-card {
  position: relative;
}
.glow-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(192, 192, 192, 0.1), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}
.glow-card:hover::after {
  opacity: 1;
}

/* ============================================================
   GLOW EFFECTS
   ============================================================ */
.glow-text-blue {
  text-shadow: 0 0 20px rgba(0, 180, 216, 0.5), 0 0 60px rgba(0, 180, 216, 0.2);
}
.glow-text-cyan {
  text-shadow: 0 0 20px rgba(0, 229, 255, 0.5), 0 0 60px rgba(0, 229, 255, 0.2);
}
.glow-blue  { box-shadow: var(--glow-blue); }
.glow-cyan  { box-shadow: var(--glow-cyan); }
.glow-purple{ box-shadow: var(--glow-purple); }

.glow-halo {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.glow-halo-blue {
  background: radial-gradient(circle, rgba(0, 180, 216, 0.25) 0%, transparent 70%);
}
.glow-halo-cyan {
  background: radial-gradient(circle, rgba(0, 229, 255, 0.2) 0%, transparent 70%);
}
.glow-halo-purple {
  background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.hero-title {
  font-size: var(--size-hero);
  font-weight: 900;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  color: var(--text-primary);
}

.section-title {
  font-size: var(--size-section);
  font-weight: 800;
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: var(--size-md);
  color: var(--text-muted);
  line-height: var(--leading-base);
  max-width: 56ch;
}

.label-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan), var(--accent-purple));
  background-size: 200% 200%;
  animation: gradient-shift 8s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-purple {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink), var(--accent-blue));
  background-size: 200% 200%;
  animation: gradient-shift 8s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.section {
  padding: var(--section-pad-y) 0;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.flex-col {
  display: flex;
  flex-direction: column;
}
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }
.text-center { text-align: center; }

/* ============================================================
   ANIMATION UTILITIES
   ============================================================ */

/* Reveal animations (triggered by IntersectionObserver) */
.reveal,
.reveal-left,
.reveal-right,
.reveal-scale {
  opacity: 0;
  will-change: transform, opacity;
}
.reveal {
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-left {
  transform: translateX(-40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-right {
  transform: translateX(40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-scale {
  transform: scale(0.92);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in-view,
.reveal-left.in-view,
.reveal-right.in-view,
.reveal-scale.in-view {
  opacity: 1;
  transform: none;
}

/* Stagger delays */
.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; }

/* Parallax */
.parallax-fast,
.parallax-slow {
  will-change: transform;
}

/* Typing cursor */
.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--accent-blue);
  margin-left: 2px;
  vertical-align: middle;
  animation: typing-cursor 1s step-end infinite;
}

/* Page load */
body.page-loaded {
  animation: fade-in 0.4s ease both;
}

/* ============================================================
   KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33%       { transform: translateY(-12px) rotate(1deg); }
  66%       { transform: translateY(-6px) rotate(-1deg); }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.7; transform: scale(0.97); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0,180,216,0.3), 0 0 60px rgba(0,180,216,0.1); }
  50%       { box-shadow: 0 0 40px rgba(0,180,216,0.5), 0 0 100px rgba(0,180,216,0.2); }
}

@keyframes glow-text {
  0%, 100% { text-shadow: 0 0 20px rgba(0,180,216,0.4); }
  50%       { text-shadow: 0 0 40px rgba(0,180,216,0.8), 0 0 80px rgba(0,229,255,0.3); }
}

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

@keyframes count-up {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes text-reveal {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0% 0 0); }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slide-down {
  from { opacity: 0; transform: translateY(-40px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slide-left {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slide-right {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes magnetic-tilt {
  to { transform: perspective(800px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); }
}

@keyframes aurora {
  0%   { background-position: 0% 50%; filter: hue-rotate(0deg); }
  50%  { background-position: 100% 50%; filter: hue-rotate(30deg); }
  100% { background-position: 0% 50%; filter: hue-rotate(0deg); }
}

@keyframes typing-cursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes glitch {
  0%   { clip-path: inset(0 0 100% 0); transform: skewX(0deg); }
  10%  { clip-path: inset(10% 0 80% 0); transform: skewX(-2deg); color: #00e5ff; }
  20%  { clip-path: inset(40% 0 50% 0); transform: skewX(2deg); color: #ff00aa; }
  30%  { clip-path: inset(20% 0 70% 0); transform: skewX(-1deg); color: var(--text-primary); }
  40%  { clip-path: inset(70% 0 20% 0); transform: skewX(1deg); color: #00e5ff; }
  50%  { clip-path: inset(5% 0 85% 0); transform: skewX(-2deg); color: var(--text-primary); }
  60%  { clip-path: inset(60% 0 30% 0); transform: skewX(0deg); }
  70%  { clip-path: inset(30% 0 60% 0); transform: skewX(1deg); }
  80%  { clip-path: inset(80% 0 5% 0); transform: skewX(-1deg); }
  90%  { clip-path: inset(0 0 0 0); transform: skewX(0deg); }
  100% { clip-path: none; transform: skewX(0deg); color: var(--text-primary); }
}

@keyframes lens-flare {
  0%   { transform: translateX(-100px) translateY(20px) scale(0.8); opacity: 0; }
  10%  { opacity: 0.6; }
  50%  { transform: translateX(50vw) translateY(-10px) scale(1.2); opacity: 0.4; }
  90%  { opacity: 0.3; }
  100% { transform: translateX(110vw) translateY(30px) scale(0.9); opacity: 0; }
}

@keyframes blob-morph {
  0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; transform: scale(1) rotate(0deg); }
  25%       { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; transform: scale(1.05) rotate(5deg); }
  50%       { border-radius: 50% 60% 30% 60% / 30% 50% 60% 40%; transform: scale(0.95) rotate(-3deg); }
  75%       { border-radius: 60% 40% 60% 30% / 70% 30% 40% 60%; transform: scale(1.02) rotate(2deg); }
}

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

@keyframes bar-grow {
  from { height: 0; }
  to   { height: var(--target-height, 50%); }
}

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

@keyframes orbit {
  from { transform: rotate(0deg) translateX(120px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(120px) rotate(-360deg); }
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 11, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}
.modal-overlay:not([hidden]) {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background: var(--bg-elevated);
  border: var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  max-width: 480px;
  width: 100%;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-spring);
  box-shadow: var(--shadow-xl), var(--glow-card);
}
.modal-overlay:not([hidden]) .modal-card {
  transform: translateY(0) scale(1);
}
.modal-card h2 {
  font-size: var(--size-3xl);
  font-weight: 800;
  letter-spacing: var(--tracking-snug);
  margin-bottom: var(--space-2);
}
.modal-card p {
  color: var(--text-muted);
  margin-bottom: var(--space-8);
}

.modal-close {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  border: var(--border-glass);
  color: var(--text-muted);
  font-size: var(--size-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast);
  line-height: 1;
}
.modal-close:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
}

/* Form */
#demo-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
#demo-form input {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--size-base);
  transition: border-color var(--transition-fast), background var(--transition-fast);
  outline: none;
}
#demo-form input::placeholder {
  color: var(--text-dim);
}
#demo-form input:focus {
  border-color: rgba(0, 180, 216, 0.4);
  background: rgba(0, 180, 216, 0.04);
}
#demo-form .btn-primary {
  width: 100%;
  margin-top: var(--space-2);
}

#demo-success {
  text-align: center;
  padding: var(--space-8) 0;
}
#demo-success p {
  font-size: var(--size-lg);
  color: var(--accent-green);
  margin: 0;
}

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}
.section-header .label-tag {
  margin-bottom: var(--space-4);
}
.section-header .section-title {
  margin-bottom: var(--space-5);
}
.section-header .section-subtitle {
  margin: 0 auto;
}

/* ============================================================
   BENTO GRID
   ============================================================ */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto;
  gap: var(--space-4);
}

.bento-card {
  background: var(--glass-bg);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  cursor: default;
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  will-change: transform;
}
.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.bento-card:hover::before { opacity: 1; }
.bento-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 180, 216, 0.25);
  box-shadow: 0 8px 48px rgba(0, 180, 216, 0.1);
}

.bento-icon {
  font-size: 2rem;
  margin-bottom: var(--space-5);
  display: block;
  filter: drop-shadow(0 0 8px rgba(0, 180, 216, 0.3));
}
.bento-title {
  font-size: var(--size-lg);
  font-weight: 700;
  letter-spacing: var(--tracking-snug);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}
.bento-desc {
  font-size: var(--size-sm);
  color: var(--text-muted);
  line-height: var(--leading-base);
}

/* Card spans */
.bento-span-2 { grid-column: span 2; }
.bento-span-row-2 { grid-row: span 2; }

/* ============================================================
   STATS / COUNTER
   ============================================================ */
.stat-item {
  text-align: center;
}
.stat-number {
  font-size: var(--size-5xl);
  font-weight: 900;
  letter-spacing: var(--tracking-tight);
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-3);
}
.stat-label {
  font-size: var(--size-sm);
  color: var(--text-muted);
  line-height: var(--leading-base);
  max-width: 20ch;
  margin: 0 auto;
}

/* ============================================================
   DASHBOARD MOCKUP
   ============================================================ */
.dashboard-mockup {
  background: rgba(10, 10, 26, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.8), 0 0 80px rgba(0, 180, 216, 0.08);
}
.dash-header {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.dash-title {
  font-size: var(--size-sm);
  font-weight: 600;
  color: var(--text-secondary);
}
.dash-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--size-xs);
  color: var(--accent-green);
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.2);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
.dash-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse 2s ease-in-out infinite;
}
.dash-body {
  padding: var(--space-6);
}
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.kpi-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
}
.kpi-label {
  font-size: var(--size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-2);
}
.kpi-value {
  font-size: var(--size-2xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}
.kpi-change {
  font-size: var(--size-xs);
  margin-top: var(--space-1);
}
.kpi-change.up   { color: var(--accent-green); }
.kpi-change.down { color: var(--accent-pink); }

/* Bar chart */
.chart-section {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-4);
}
.chart-panel {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.chart-label {
  font-size: var(--size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-4);
}
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  height: 80px;
}
.bar {
  flex: 1;
  background: linear-gradient(to top, var(--accent-blue), var(--accent-cyan));
  border-radius: 3px 3px 0 0;
  opacity: 0.8;
  transform-origin: bottom;
  transition: height 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  height: 0;
}
.bar.animated { height: var(--target-height); }

.insights-panel {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.insight-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.insight-item:last-child {
  border-bottom: none;
}
.insight-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
  flex-shrink: 0;
  margin-top: 6px;
  box-shadow: 0 0 8px var(--accent-blue);
}
.insight-text {
  font-size: var(--size-xs);
  color: var(--text-secondary);
  line-height: var(--leading-base);
}

/* ============================================================
   AURORA BACKGROUND
   ============================================================ */
.aurora-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 180, 216, 0.08) 0%,
    rgba(124, 58, 237, 0.08) 25%,
    rgba(0, 229, 255, 0.06) 50%,
    rgba(255, 107, 157, 0.05) 75%,
    rgba(0, 180, 216, 0.08) 100%
  );
  background-size: 400% 400%;
  animation: aurora 12s ease infinite;
  pointer-events: none;
}

/* ============================================================
   GRID PATTERN BACKGROUND
   ============================================================ */
.grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* ============================================================
   MARQUEE / SOCIAL PROOF
   ============================================================ */
.marquee-wrapper {
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
}
.marquee-track {
  display: flex;
  gap: var(--space-10);
  width: max-content;
  animation: marquee-scroll 28s linear infinite;
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee-track:hover {
  animation-play-state: paused;
}
.marquee-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  white-space: nowrap;
  font-size: var(--size-sm);
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}
.marquee-sep {
  color: var(--text-dim);
  font-size: var(--size-xs);
}

/* ============================================================
   LENS FLARE
   ============================================================ */
.lens-flare {
  position: absolute;
  top: 20%;
  pointer-events: none;
  z-index: 1;
  animation: lens-flare 20s ease-in-out infinite;
}
.lens-flare-core {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #fff;
  box-shadow:
    0 0 6px 2px rgba(255,255,255,0.9),
    0 0 20px 8px rgba(0,229,255,0.5),
    0 0 60px 20px rgba(0,180,216,0.25);
}
.lens-flare-streak {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,229,255,0.4), rgba(255,255,255,0.6), rgba(0,229,255,0.4), transparent);
  border-radius: 1px;
}

/* ============================================================
   HERO FLOATING DASHBOARD
   ============================================================ */
.hero-dashboard-wrap {
  perspective: 1200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-dashboard {
  transform: rotateX(15deg) rotateY(-5deg) scale(0.9);
  animation: float 6s ease-in-out infinite;
  will-change: transform;
  border-radius: var(--radius-xl);
  position: relative;
}
.hero-dashboard-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(0, 180, 216, 0.2) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
  animation: glow 4s ease-in-out infinite;
}

/* ============================================================
   CINEMATIC NOISE TEXTURE
   ============================================================ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  mix-blend-mode: overlay;
}

/* CTA pulse animation — gold accent */
.cta-pulse {
  position: relative;
}
.cta-pulse::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple), var(--accent-gold));
  background-size: 300% 300%;
  animation: gradient-shift 4s ease infinite;
  z-index: -1;
  filter: blur(14px);
  opacity: 0.5;
}
.cta-pulse:hover::after {
  opacity: 0.8;
  filter: blur(20px);
}

/* Screen glow effect for dashboard mockups */
.screen-glow {
  position: relative;
}
.screen-glow::after {
  content: '';
  position: absolute;
  inset: -30px;
  background: radial-gradient(ellipse 60% 40% at 50% 30%, rgba(0,180,216,0.1) 0%, rgba(124,58,237,0.05) 40%, transparent 70%);
  pointer-events: none;
  z-index: -1;
  filter: blur(20px);
}

/* ============================================================
   REDUCED MOTION OVERRIDES
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
  }
  .marquee-track {
    animation: none;
  }
  #scroll-progress {
    transition: none;
  }
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */

/* Tablet: 1024px */
@media (max-width: 1024px) {
  :root {
    --nav-height: 64px;
  }
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-span-2 {
    grid-column: span 2;
  }
  .bento-span-row-2 {
    grid-row: span 1;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .chart-section {
    grid-template-columns: 1fr;
  }
}

/* Mobile: 768px */
@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
    --space-8: 1.5rem;
  }
  #main-nav {
    padding: 0 var(--space-5);
  }
  .nav-links,
  .nav-actions {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-span-2 {
    grid-column: span 1;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .modal-card {
    padding: var(--space-8);
  }
  .hero-dashboard {
    transform: rotateX(8deg) rotateY(-2deg) scale(0.85);
  }
}

/* Small mobile: 480px */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-5);
  }
  .kpi-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-links {
    gap: var(--space-4);
  }
}