/* ============================================
   AI INFRAS — DESIGN SYSTEM
   90s Video Explainers For SaaS Companies
   ============================================ */

/* ---------- TOKENS ---------- */
:root {
  /* Backgrounds */
  --bg: #0a0a0a;
  --bg-elev: #141414;
  --bg-card: #1a1a1a;
  --bg-light: #f6f6f4;

  /* Accents */
  --lime: #D4FF3D;
  --lime-soft: #E8FF7A;
  --yellow: #FFE66D;
  --pink: #FFB5C5;
  --peach: #FFD3B6;
  --lavender: #C8B8FF;
  --coral: #FF8A7A;

  /* Gradients */
  --grad-card: linear-gradient(135deg, #FFB5C5 0%, #FFD3B6 35%, #FFE66D 70%, #D4FF3D 100%);
  --grad-card-2: linear-gradient(135deg, #C8B8FF 0%, #FFB5C5 50%, #FFE66D 100%);
  --grad-card-3: linear-gradient(135deg, #D4FF3D 0%, #FFE66D 50%, #FFD3B6 100%);
  --grad-radial: radial-gradient(circle at 30% 30%, rgba(212,255,61,0.25), transparent 60%);

  /* Text */
  --text: #ffffff;
  --text-dim: #b5b5b5;
  --text-muted: #7a7a7a;
  --text-dark: #0a0a0a;

  /* Borders */
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.16);
  --border-light: rgba(10,10,10,0.08);

  /* Type */
  --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Radii */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;
  --r-pill: 999px;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Container */
  --container: 1240px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }

/* ---------- TYPE ---------- */
.h1, h1, .h2, h2, .h3, h3, .h4, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
}
.h1, h1 { font-size: clamp(2.4rem, 4.6vw, 4rem); font-weight: 700; letter-spacing: -0.035em; line-height: 1.02; }
.h2, h2 { font-size: clamp(1.85rem, 3.4vw, 2.8rem); letter-spacing: -0.025em; line-height: 1.08; }
.h3, h3 { font-size: clamp(1.25rem, 1.7vw, 1.5rem); letter-spacing: -0.015em; line-height: 1.2; }
.h4, h4 { font-size: 1.0625rem; letter-spacing: -0.005em; line-height: 1.3; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--lime);
  padding: 8px 14px;
  background: rgba(212,255,61,0.08);
  border: 1px solid rgba(212,255,61,0.22);
  border-radius: var(--r-pill);
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--lime);
}

.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 56ch;
}

.text-lime { color: var(--lime); }
.text-dim { color: var(--text-dim); }
.text-muted { color: var(--text-muted); }

/* ---------- LAYOUT ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: clamp(56px, 7vw, 96px) 0;
  position: relative;
}
.section--light {
  background: var(--bg-light);
  color: var(--text-dark);
}
.section--light .lede,
.section--light .text-dim { color: rgba(10,10,10,0.62); }

.row { display: flex; gap: 24px; flex-wrap: wrap; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  background: rgba(10,10,10,0.92);
  border-bottom: 1px solid var(--border);
}
@media (max-width: 720px) {
  .nav {
    background: #0a0a0a;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 24px;
  max-width: var(--container);
  margin: 0 auto;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.nav-brand img {
  width: 30px; height: 30px;
  filter: invert(1);
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.2s var(--ease);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border-strong);
  align-items: center; justify-content: center;
}
.nav-toggle span {
  width: 18px; height: 1.5px;
  background: var(--text);
  position: relative;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0;
  width: 18px; height: 1.5px; background: var(--text);
}
.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    transform: translateY(-110%);
    transition: transform 0.35s var(--ease);
  }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav-links .btn { margin-top: 12px; }
  .nav.open .nav-links { transform: translateY(0); }
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--lime);
  color: var(--text-dark);
  box-shadow: 0 8px 28px rgba(212,255,61,0.22);
}
.btn-primary:hover {
  background: var(--lime-soft);
  transform: translateY(-1px);
  box-shadow: 0 12px 36px rgba(212,255,61,0.32);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.28);
}
.btn-dark {
  background: var(--text-dark);
  color: var(--text);
}
.btn-dark:hover { background: #222; }

/* Nav-specific CTA — RGB pastel gradient, glows on hover */
.btn-nav {
  background: linear-gradient(110deg, #FFB5C5 0%, #FFD3B6 30%, #FFE66D 65%, #D4FF3D 100%);
  color: #000000 !important;
  border: 1px solid transparent;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.005em;
  box-shadow: 0 2px 10px rgba(0,0,0,0.18);
  background-size: 200% 100%;
  background-position: 0% 50%;
}
.btn-nav:hover {
  color: #000000 !important;
  transform: translateY(-1px);
  background-position: 100% 50%;
  box-shadow:
    0 4px 14px rgba(0,0,0,0.22),
    0 0 22px rgba(255, 181, 197, 0.45),
    0 0 36px rgba(255, 230, 109, 0.32),
    0 0 52px rgba(212, 255, 61, 0.28);
}

.btn .arrow {
  width: 14px; height: 14px;
  transition: transform 0.25s var(--ease);
}
.btn:hover .arrow { transform: translate(2px, -2px); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: clamp(40px, 5vw, 72px) 0 clamp(56px, 7vw, 96px);
  overflow: hidden;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { order: -1; max-width: 420px; }
}
.hero h1 {
  margin: 18px 0 20px;
  max-width: 22ch;
  font-size: clamp(2rem, 3.6vw, 3.2rem);
}
.hero h1 .accent {
  background: linear-gradient(110deg, #FFB5C5 0%, #FFD3B6 30%, #FFE66D 65%, #D4FF3D 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero h1 .accent-green {
  color: var(--lime);
}
.hero .lede { max-width: 48ch; }
.hero-ctas {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-meta {
  margin-top: 32px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.hero-meta-item {
  display: flex; align-items: center; gap: 8px;
}
.hero-meta-item .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
}

/* Iridescent orb — behind hero visual */
.hero-orb {
  position: absolute;
  top: 6%;
  right: -6%;
  width: 70%;
  max-width: 720px;
  aspect-ratio: 1/1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 28% 28%, rgba(255,181,197,0.55), transparent 45%),
    radial-gradient(circle at 70% 32%, rgba(200,184,255,0.45), transparent 50%),
    radial-gradient(circle at 65% 70%, rgba(255,230,109,0.4), transparent 55%),
    radial-gradient(circle at 30% 75%, rgba(212,255,61,0.3), transparent 55%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
  mask-image: linear-gradient(180deg, transparent 0%, black 35%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, black 35%);
}

/* Hero visual — 3D iridescent disc + floating gradient cards */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 560px;
  margin: 0 auto;
  width: 100%;
}
.hero-disc {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 78%;
  aspect-ratio: 1/1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, #FFF5B8 0%, #FFD3B6 20%, #FFB5C5 40%, #C8B8FF 65%, #8FA8FF 85%, #4A5BCF 100%);
  box-shadow:
    inset -30px -30px 80px rgba(255,255,255,0.4),
    inset 20px 20px 60px rgba(74,91,207,0.4),
    0 30px 80px rgba(200,184,255,0.25);
}
.hero-disc::after {
  content: "";
  position: absolute;
  top: 12%; left: 18%;
  width: 35%; height: 25%;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.5) 0%, transparent 70%);
  filter: blur(8px);
}

.float-card {
  position: absolute;
  border-radius: var(--r-lg);
  box-shadow: 0 34px 68px rgba(0,0,0,0.48);
  overflow: hidden;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #ffffff;
  z-index: 2;
  cursor: pointer;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
  background: #0a0a0a; /* fallback while video loads */
  /* Force GPU compositing — fixes jagged rounded-corner edges on rotated cards */
  isolation: isolate;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-transform: translateZ(0);
  will-change: transform;
  -webkit-mask-image: -webkit-radial-gradient(white, black);
}
.float-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 40px 80px rgba(0,0,0,0.55);
}
.float-card:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}
/* Crystal-clear background video */
.float-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
  border-radius: inherit;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
}
/* Content sits above video */
.float-card > .float-tag,
.float-card > .float-meta { position: relative; z-index: 2; }
.float-meta {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
}
.float-card-1 {
  bottom: 2%; left: -6%;
  width: 66%;
  aspect-ratio: 5/4;
  background: var(--grad-card);
  transform: rotate(-6deg) translateZ(0);
}
.float-card-2 {
  top: 4%; right: -6%;
  width: 58%;
  aspect-ratio: 5/4;
  background: var(--grad-card-2);
  transform: rotate(7deg) translateZ(0);
}
.float-tag {
  align-self: flex-start;
  background: rgba(10,10,10,0.55);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: #ffffff;
  border-radius: var(--r-pill);
  padding: 6px 13px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid rgba(255,255,255,0.14);
}
.float-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.015em;
  line-height: 1.12;
  color: #ffffff;
  text-shadow: 0 2px 8px rgba(0,0,0,0.7), 0 0 16px rgba(0,0,0,0.45);
}
.float-play {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: #ffffff;
  color: #0a0a0a;
  display: flex; align-items: center; justify-content: center;
  align-self: flex-end;
  box-shadow: 0 4px 12px rgba(0,0,0,0.35);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease);
}
.float-card:hover .float-play {
  transform: scale(1.08);
  background: var(--lime);
}
.float-play svg { width: 14px; height: 14px; }

/* Hero wave — full width, multiple loops, anchored at bottom */
.hero-wave {
  position: absolute;
  left: 0; right: 0;
  bottom: -2px;
  width: 100%;
  height: 80px;
  color: var(--lime);
  opacity: 0.5;
  pointer-events: none;
  z-index: 1;
}

/* Generic wave (used in CTAs etc) */
.wave {
  position: absolute;
  pointer-events: none;
}

/* ---------- MOBILE OPTIMIZATIONS (≤720px) ---------- */
@media (max-width: 720px) {
  /* Container — tighter padding */
  .container { padding: 0 20px; }

  /* Nav — smaller logo + brand text to balance */
  .nav-inner { height: 60px; padding: 0 18px; }
  .nav-brand { font-size: 0.9rem; gap: 7px; }
  .nav-brand img { width: 24px; height: 24px; }
  .nav-links { top: 60px; }

  /* Eyebrow — single line, tighter */
  .eyebrow {
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    padding: 6px 11px;
  }
  .eyebrow::before { width: 5px; height: 5px; }

  /* Hero — tighten everything */
  .hero { padding: 24px 0 56px; }
  .hero h1 {
    max-width: none;
    font-size: clamp(1.75rem, 8vw, 2.3rem);
    margin: 14px 0 16px;
    line-height: 1.08;
  }
  .hero .lede { font-size: 1rem; max-width: none; }
  .hero-ctas { margin-top: 24px; gap: 10px; }
  .hero-ctas .btn { padding: 12px 18px; font-size: 0.9rem; }
  .hero-meta { margin-top: 24px; gap: 12px 18px; font-size: 0.8rem; }

  /* Hero visual — smaller, contained */
  .hero-visual { max-width: 300px; }
  .hero-disc { width: 72%; }
  .hero-orb {
    top: 4%;
    right: -10%;
    width: 90%;
    filter: blur(50px);
  }

  /* Hero visual: larger, layered cards (matches desktop) */
  .hero-visual {
    max-width: 440px;
    aspect-ratio: 1 / 1;
  }
  .hero-disc {
    width: 80%;
    opacity: 0.55;
  }

  /* Cards stay layered, sized to fit the bigger visual */
  .float-card { padding: 16px; border-radius: var(--r-lg); box-shadow: 0 18px 36px rgba(0,0,0,0.45); }
  .float-card-1 { left: 0; width: 62%; bottom: 4%; }
  .float-card-2 { right: 0; width: 54%; top: 4%; }
  .float-tag { font-size: 0.7rem; padding: 4px 10px; }
  .float-title { font-size: 1rem; }
  .float-play { width: 32px; height: 32px; }
  .float-play svg { width: 12px; height: 12px; }

  /* Hero wave — shorter, subtler */
  .hero-wave {
    height: 36px;
    opacity: 0.35;
    stroke-width: 2;
  }

  /* Section padding — tighter */
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 32px; gap: 16px; }
  .section-head h2 { max-width: none; }

  /* Cards — tighter padding */
  .card { padding: 24px; }
  .card-icon { width: 42px; height: 42px; margin-bottom: 16px; }
  .card-gradient { padding: 24px; min-height: 220px; }

  /* Trust bar — tighter */
  .trust { padding: 20px 0; }
  .trust-inner { gap: 16px; }
  .trust-label { font-size: 0.72rem; }
  .trust-logos { gap: 20px; font-size: 0.92rem; }
  .trust-logos span::before { width: 14px; height: 14px; }

  /* Stat blocks */
  .stat { padding: 24px; }
  .stat-value { font-size: 2rem; }

  /* Steps */
  .step { grid-template-columns: 1fr; gap: 8px; padding: 24px 0; }
  .step-number { font-size: 1.6rem; }

  /* CTA strip — tighter */
  .cta-strip { margin: 0 20px; padding: 40px 28px; }
  .cta-strip .cta-row { gap: 24px; }
  .wave-cta { height: 36px; opacity: 0.14; }

  /* Page header */
  .page-header { padding: 48px 0 32px; }
  .page-header h1 { font-size: clamp(1.85rem, 8vw, 2.4rem); }
  .page-header::before { width: 380px; height: 380px; top: -80px; right: -100px; }

  /* Track head — stack on mobile */
  .track-head { flex-wrap: wrap; gap: 8px; margin: 32px 0 20px; }
  .track-label { font-size: 1.1rem; }
  .track-divider { display: none; }
  .track-meta { font-size: 0.78rem; }

  /* Compare table — stacked */
  .compare-row { grid-template-columns: 1fr; }
  .compare-cell { padding: 12px 16px; }

  /* Testimonials */
  .testimonial { padding: 24px; }
  .testimonial-quote { font-size: 1.05rem; }

  /* FAQ */
  .faq-q { font-size: 1rem; padding: 20px 0; }
  .faq-a-inner { padding-right: 32px; padding-bottom: 20px; }

  /* Video tiles */
  .video-tile-meta { padding: 16px; }
  .video-tile-meta h4 { font-size: 0.95rem; }

  /* Footer — single column flow */
  .footer { padding: 56px 0 24px; margin-top: 56px; }
  .footer-brand img { width: 48px; height: 48px; }
  .footer h4 { font-size: 0.72rem; margin-bottom: 12px; }
  .footer-bottom { font-size: 0.78rem; text-align: center; justify-content: center; }
}

/* ---------- Extra-narrow (≤380px) ---------- */
@media (max-width: 380px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.65rem; }
  .float-card-1 { width: 60%; }
  .float-card-2 { width: 54%; }
  .hero-wave { display: none; }
  .nav-brand span { display: none; }
}

/* ---------- TRUST BAR / MARQUEE ---------- */
.trust {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
  background: rgba(255,255,255,0.015);
}
.trust .container { text-align: center; margin-bottom: 24px; }
.trust-label {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.trust-marquee {
  width: 100%;
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 7%, black 93%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 7%, black 93%, transparent 100%);
}
.trust-track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: trust-scroll 25s linear infinite;
}
.trust-track:hover { animation-play-state: paused; }
.trust-set {
  display: flex;
  align-items: center;
  gap: 60px;
  padding-right: 60px; /* matches gap so seam between sets is consistent */
  flex-shrink: 0;
}
.trust-track img {
  height: 28px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
  opacity: 0.8;
  flex-shrink: 0;
  user-select: none;
  transition: opacity 0.3s var(--ease);
}
/* Duolingo specifically — slightly larger */
.trust-track img[src$="logos/1.png"] { height: 34px; }
.trust-track img:hover { opacity: 1; }

@keyframes trust-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (max-width: 720px) {
  .trust { padding: 24px 0; }
  .trust .container { margin-bottom: 16px; }
  .trust-track { animation-duration: 18s; }
  .trust-set { gap: 40px; padding-right: 40px; }
  .trust-track img { height: 22px; max-width: 110px; opacity: 0.85; }
  .trust-track img[src$="logos/1.png"] { height: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  .trust-track { animation: none; }
}

/* ---------- CARDS ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.card-icon {
  width: 48px; height: 48px;
  border-radius: var(--r-md);
  background: rgba(212,255,61,0.12);
  color: var(--lime);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--text-dim); margin: 0; }

.card-gradient {
  position: relative;
  border-radius: var(--r-xl);
  padding: 36px;
  color: var(--text-dark);
  overflow: hidden;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.card-gradient.g1 { background: var(--grad-card); }
.card-gradient.g2 { background: var(--grad-card-2); }
.card-gradient.g3 { background: var(--grad-card-3); }

.card-gradient .card-tag {
  align-self: flex-start;
  background: rgba(10,10,10,0.12);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.card-gradient h3 {
  font-size: 1.55rem;
  margin: 16px 0 8px;
  color: var(--text-dark);
}
.card-gradient p {
  color: rgba(10,10,10,0.7);
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- STAT BLOCK ---------- */
.stat {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--lime);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.92rem;
  color: var(--text-dim);
}

/* ---------- PROCESS STEPS ---------- */
.steps {
  counter-reset: step;
  display: grid;
  gap: 20px;
}
.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 28px 28px 28px 0;
  border-top: 1px solid var(--border);
  align-items: start;
}
.step:last-child { border-bottom: 1px solid var(--border); }
.step-number {
  counter-increment: step;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--lime);
  letter-spacing: -0.02em;
  line-height: 1;
}
.step-number::before { content: "0" counter(step); }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--text-dim); margin: 0; max-width: 60ch; }

/* ---------- SECTION HEADERS ---------- */
.section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: end;
  margin-bottom: 44px;
}
@media (max-width: 820px) {
  .section-head { grid-template-columns: 1fr; }
}
.section-head h2 { max-width: 18ch; }
.section-head .lede { margin: 0; }

/* ---------- CTA STRIP ---------- */
.cta-strip {
  position: relative;
  margin: 0 24px;
  background: var(--lime);
  color: var(--text-dark);
  border-radius: var(--r-xl);
  padding: clamp(48px, 7vw, 88px) clamp(32px, 5vw, 64px);
  overflow: hidden;
}
.cta-strip h2 {
  max-width: 18ch;
  color: var(--text-dark);
}
.cta-strip .cta-row {
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  flex-wrap: wrap;
}
.cta-strip .cta-text { max-width: 36ch; }
.cta-strip .lede { color: rgba(10,10,10,0.7); margin-top: 12px; }
.wave-cta {
  position: absolute;
  left: 0; right: 0;
  bottom: -8px;
  width: 100%;
  height: 60px;
  color: var(--text-dark);
  opacity: 0.18;
}

/* ---------- FOOTER ---------- */
.footer {
  padding: 80px 0 32px;
  border-top: 1px solid var(--border);
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 56px;
}
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-brand img {
  width: 56px; height: 56px;
  filter: invert(1);
  margin-bottom: 16px;
}
.footer-brand p { color: var(--text-dim); max-width: 32ch; font-size: 0.93rem; }
.footer h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  margin-bottom: 18px;
  font-weight: 500;
  font-family: var(--font-body);
}
.footer ul li { margin-bottom: 10px; }
.footer ul a {
  color: var(--text-dim);
  font-size: 0.95rem;
  transition: color 0.2s var(--ease);
}
.footer ul a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---------- 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); }
.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); }
.text-center { text-align: center; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

/* ---------- FX ---------- */
.glow {
  position: absolute;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.35;
}
.glow-lime {
  background: var(--lime);
  width: 360px; height: 360px;
  border-radius: 50%;
}

/* Subtle scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- COMPARISON TABLE ---------- */
.compare {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.compare-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  align-items: center;
}
.compare-row + .compare-row { border-top: 1px solid var(--border); }
.compare-cell {
  padding: 22px 24px;
  font-size: 0.95rem;
  color: var(--text-dim);
}
.compare-cell.label { color: var(--text); font-weight: 500; }
.compare-head .compare-cell {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255,255,255,0.02);
}
.compare-head .compare-cell.us { color: var(--lime); }
.compare-cell .check {
  display: inline-flex; align-items: center; gap: 8px;
}
.compare-cell.us-cell { color: var(--text); }
.compare-cell .x { color: var(--text-muted); }
.compare-cell .y { color: var(--lime); }
@media (max-width: 720px) {
  .compare-row { grid-template-columns: 1fr; }
  .compare-cell { padding: 16px 20px; }
  .compare-head { display: none; }
  .compare-cell.us-cell::before { content: "AI Infras: "; color: var(--lime); font-weight: 600; }
  .compare-cell.them-cell::before { content: "Generic agency: "; color: var(--text-muted); font-weight: 600; }
}

/* ---------- TESTIMONIALS ---------- */
.testimonial {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  height: 100%;
}
.testimonial-quote {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 0;
}
.testimonial-quote::before {
  content: "“";
  display: block;
  font-size: 3rem;
  line-height: 0.5;
  color: var(--lime);
  margin-bottom: 16px;
}
.testimonial-person {
  display: flex; align-items: center; gap: 14px;
  margin-top: auto;
}
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--grad-card);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dark);
  font-family: var(--font-display);
  font-weight: 700;
}
.testimonial-name {
  font-weight: 600;
  font-size: 0.95rem;
}
.testimonial-role {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---------- FAQ ---------- */
.faq {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
.faq-q .plus {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(212,255,61,0.1);
  color: var(--lime);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}
.faq-item.open .faq-q .plus { transform: rotate(45deg); background: var(--lime); color: var(--text-dark); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}
.faq-a-inner {
  padding: 0 60px 28px 0;
  color: var(--text-dim);
  line-height: 1.65;
  max-width: 64ch;
}
.faq-item.open .faq-a { max-height: 360px; }

/* ---------- PRICING CARDS ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pricing-grid-2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 880px;
  margin: 0 auto;
}
@media (max-width: 920px) {
  .pricing-grid,
  .pricing-grid-2 { grid-template-columns: 1fr; }
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
}
.price-card.featured {
  background: linear-gradient(180deg, rgba(212,255,61,0.06) 0%, var(--bg-card) 100%);
  border-color: rgba(212,255,61,0.3);
}
.price-card .badge {
  position: absolute;
  top: -12px; left: 36px;
  background: var(--lime);
  color: var(--text-dark);
  padding: 6px 14px;
  border-radius: var(--r-pill);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.price-card h3 {
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}
.price-card .price {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}
.price-card .price small {
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 6px;
}
.price-card ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.price-card ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-dim);
  font-size: 0.95rem;
}
.price-card ul li svg {
  flex-shrink: 0;
  color: var(--lime);
  margin-top: 2px;
}

/* ---------- SERVICE LIST (used on services overview & subpages) ---------- */
.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
}
@media (max-width: 820px) { .service-list { grid-template-columns: 1fr; } }
.service-row {
  border-bottom: 1px solid var(--border);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.3s var(--ease);
}
.service-list .service-row:nth-child(odd) { border-right: 1px solid var(--border); }
@media (max-width: 820px) {
  .service-list .service-row:nth-child(odd) { border-right: 0; }
}
.service-row:hover { background: rgba(212,255,61,0.025); }
.service-row .service-num {
  font-family: var(--font-display);
  color: var(--lime);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.service-row h3 {
  font-size: 1.5rem;
}
.service-row p { color: var(--text-dim); margin: 0; }
.service-row .service-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--lime);
  font-size: 0.92rem;
  font-weight: 500;
  margin-top: auto;
}

/* ---------- BADGE / TAG ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 11px;
  border-radius: var(--r-pill);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: rgba(255,255,255,0.06);
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.tag-lime {
  background: rgba(212,255,61,0.1);
  color: var(--lime);
  border-color: rgba(212,255,61,0.25);
}

/* ---------- PAGE HEADER (used on subpages) ---------- */
.page-header {
  position: relative;
  padding: clamp(56px, 7vw, 96px) 0 clamp(40px, 5vw, 64px);
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 560px; height: 560px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,181,197,0.32), transparent 50%),
    radial-gradient(circle at 65% 65%, rgba(212,255,61,0.18), transparent 55%);
  filter: blur(60px);
  pointer-events: none;
}
.page-header-inner {
  position: relative;
  z-index: 1;
  max-width: 920px;
}
.page-header h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  margin: 18px 0 20px;
  max-width: 18ch;
}
.page-header .lede { max-width: 60ch; }

/* ---------- TRACK HEAD (Two-tracks divider) ---------- */
.track-head {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 48px 0 24px;
}
.track-head:first-of-type { margin-top: 0; }
.track-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.section--light .track-label { color: var(--text-dark); }
.track-divider {
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.12;
}
.track-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
}
.section--light .track-meta { color: rgba(10,10,10,0.5); }
@media (max-width: 720px) {
  .track-head { flex-wrap: wrap; gap: 8px; }
  .track-meta { width: 100%; }
}

/* ---------- TEAM (about) ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 820px) { .team-grid { grid-template-columns: 1fr; } }
.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
}
.team-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--grad-card);
  margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dark);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}
.team-card h4 { margin-bottom: 4px; font-size: 1.1rem; }
.team-card .role { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 12px; }
.team-card p { color: var(--text-dim); font-size: 0.92rem; margin: 0; line-height: 1.55; }

/* ---------- FORMS ---------- */
.form {
  display: grid;
  gap: 18px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.field {
  display: flex; flex-direction: column; gap: 8px;
}
.field label {
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 0.01em;
}
.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text);
  transition: border-color 0.2s var(--ease);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--lime);
}
.field textarea { resize: vertical; min-height: 140px; }

/* ---------- VIDEO TILES (Work preview) ---------- */
.video-tile {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.4s var(--ease);
}
.video-tile:hover { transform: translateY(-4px); }
.video-tile-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
img.video-tile-bg {
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.video-tile:hover img.video-tile-bg { transform: scale(1.04); }
.video-tile:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}
.video-tile-bg.g1 { background: var(--grad-card); }
.video-tile-bg.g2 { background: var(--grad-card-2); }
.video-tile-bg.g3 { background: var(--grad-card-3); }
.video-tile-bg.g4 { background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%); }
.video-tile-meta {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: #fff;
}
.video-tile-meta .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.8;
  margin-bottom: 4px;
}
.video-tile-meta h4 {
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.video-tile-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  color: var(--text-dark);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}
.video-tile:hover .video-tile-play {
  background: var(--lime);
  transform: translate(-50%, -50%) scale(1.08);
}

/* ============================================
   VIDEO MODAL — full-quality player on click
   ============================================ */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(5, 5, 5, 0.85);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.video-modal:not([hidden]) { opacity: 1; }
.video-modal[hidden] { display: none; }
.video-modal-content {
  position: relative;
  width: 100%;
  max-width: 1100px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.video-modal-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0;
}
.video-modal-player {
  width: 100%;
  max-height: 80vh;
  background: #000;
  border-radius: var(--r-lg);
  box-shadow: 0 40px 100px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.06);
  outline: none;
}
/* YouTube iframe wrapper — maintain 16:9 aspect, capped to 80vh */
.video-modal-iframe-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  max-height: 80vh;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.06);
  background: #000;
}
.video-modal-iframe-wrap[hidden] { display: none; }
.video-modal-iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-modal-close {
  position: absolute;
  top: clamp(12px, 2vw, 24px);
  right: clamp(12px, 2vw, 24px);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
  z-index: 1;
}
.video-modal-close:hover {
  background: var(--lime);
  color: var(--text-dark);
  border-color: var(--lime);
  transform: scale(1.05);
}
@media (max-width: 720px) {
  .video-modal { padding: 12px; }
  .video-modal-close { width: 38px; height: 38px; top: 14px; right: 14px; }
  .video-modal-title { font-size: 0.8rem; }
}

/* Lock body scroll when modal open */
body.modal-open { overflow: hidden; }