/* CINEMA AI — Learn More page
   Palette: black/white/gray + ONE gold (only on primary CTA)
   Type: Cabinet Grotesk (display) + Satoshi (body) */

:root {
  --bg: #0a0a0a;
  --bg-2: #111111;
  --line: rgba(255,255,255,0.08);
  --text: #ffffff;
  --muted: rgba(255,255,255,0.62);
  --muted-2: rgba(255,255,255,0.45);
  --font-display: 'Cabinet Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;
  --gold-grad: linear-gradient(135deg, #f4d99a 0%, #d4af7a 55%, #b88f5a 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }

/* ───── NAV ───── */
.ca-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px clamp(20px, 4vw, 48px);
  background: linear-gradient(to bottom, rgba(10,10,10,0.85) 0%, rgba(10,10,10,0) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.ca-nav__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.18em;
  color: #fff;
}
.ca-nav__links { display: flex; gap: 8px; align-items: center; }
.ca-nav__link {
  font-family: var(--font-body);
  font-size: 13px; font-weight: 500;
  color: var(--muted);
  padding: 8px 14px; border-radius: 999px;
  transition: color .2s ease, background .2s ease;
}
.ca-nav__link:hover { color: #fff; background: rgba(255,255,255,0.06); }
.ca-nav__link--cta {
  color: #fff;
  border: 1px solid rgba(255,255,255,0.7);
}
.ca-nav__link--cta:hover { background: #fff; color: #0a0a0a; border-color: #fff; }

/* ───── HERO ───── */
.ca-hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.ca-hero__bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: contrast(1.05) brightness(0.78);
  z-index: 0;
}
.ca-hero__veil {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(10,10,10,0.35) 0%, rgba(10,10,10,0.75) 70%, rgba(10,10,10,0.92) 100%),
    linear-gradient(to bottom, rgba(10,10,10,0.4) 0%, rgba(10,10,10,0.7) 60%, var(--bg) 100%);
  z-index: 1;
}
.ca-hero__inner {
  position: relative; z-index: 2;
  text-align: center;
  padding: 0 clamp(20px, 5vw, 48px);
  max-width: 980px;
}
.ca-eyebrow {
  font-family: var(--font-display);
  font-size: 13px; font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.ca-eyebrow__gold {
  background: var(--gold-grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #d4af7a;
  font-weight: 800;
  letter-spacing: 0.32em;
}
.ca-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 6.2vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 22px;
  text-wrap: balance;
}
.ca-hero__sub {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.5;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 36px;
  text-wrap: balance;
}
.ca-hero__ctas {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}

/* Hero scroll cue — below the CTAs in flow, NEVER overlaps */
.ca-hero__scroll {
  position: relative;
  margin: 56px auto 0;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: 0.55;
  pointer-events: none;
  width: max-content;
}
@media (max-width: 640px) {
  .ca-hero__scroll { margin-top: 36px; }
}
@media (max-height: 760px) {
  .ca-hero__scroll { display: none; }
}
.ca-hero__scroll-line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, transparent, #fff);
  animation: scroll-pulse 2.4s ease-in-out infinite;
}
.ca-hero__scroll-label {
  font-family: var(--font-display);
  font-size: 10px; font-weight: 700; letter-spacing: 0.32em;
  color: var(--muted-2);
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
  50%      { opacity: 1;   transform: scaleY(1);   transform-origin: top; }
}

/* ───── BUTTONS ───── */
.ca-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform .2s ease, background .25s ease, color .25s ease, box-shadow .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.ca-btn--ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.7);
}
.ca-btn--ghost:hover {
  background: #fff; color: #0a0a0a; border-color: #fff;
  transform: translateY(-1px);
}
.ca-btn--gold {
  background: var(--gold-grad);
  color: #0a0a0a;
  border: none;
  font-weight: 800;
  box-shadow: 0 6px 20px rgba(212,175,122,0.28), inset 0 1px 0 rgba(255,255,255,0.35);
}
.ca-btn--gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(212,175,122,0.42), inset 0 1px 0 rgba(255,255,255,0.45);
}
.ca-btn--lg { padding: 16px 32px; font-size: 14px; }

/* ───── INTRO BAND ───── */
.ca-band {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(72px, 12vh, 120px) clamp(20px, 5vw, 48px) clamp(40px, 6vh, 64px);
  text-align: center;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
.ca-band.is-in { opacity: 1; transform: translateY(0); }
.ca-band__lead {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 18px;
  text-wrap: balance;
}
.ca-band__body {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.65;
  color: var(--muted);
  text-wrap: pretty;
}

/* ───── SECTION TITLE ───── */
.ca-section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  text-align: center;
  margin-bottom: clamp(40px, 6vh, 64px);
  text-wrap: balance;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease, transform .8s ease;
}
.ca-section-title.is-in { opacity: 1; transform: translateY(0); }
.ca-section-title__sub {
  color: var(--muted);
  font-weight: 500;
}

/* ───── PHASES ───── */
.ca-phases {
  padding: clamp(60px, 9vh, 100px) clamp(20px, 5vw, 48px) clamp(80px, 12vh, 120px);
  max-width: 1080px;
  margin: 0 auto;
}
.ca-phase-list {
  list-style: none;
  display: grid;
  gap: clamp(14px, 1.8vh, 22px);
  counter-reset: phase;
}
.ca-phase {
  position: relative;
  display: grid;
  grid-template-columns: clamp(72px, 11vw, 130px) 1fr;
  align-items: center;
  gap: clamp(16px, 3vw, 36px);
  padding: clamp(28px, 4.5vh, 48px) clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, rgba(255,255,255,0.01) 100%);
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s ease, transform .8s ease, border-color .35s ease, background .35s ease;
}
.ca-phase.is-in { opacity: 1; transform: translateY(0); }
.ca-phase:hover {
  border-color: rgba(255,255,255,0.18);
  background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.015) 100%);
}
.ca-phase__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: #fff;
  opacity: 0.85;
  -webkit-text-stroke: 0;
}
.ca-phase__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 8px;
}
.ca-phase__copy {
  font-family: var(--font-body);
  font-size: clamp(14px, 1.05vw, 16px);
  line-height: 1.6;
  color: var(--muted);
  max-width: 620px;
}

/* ───── PROMISE GRID ───── */
.ca-promise {
  background: var(--bg-2);
  padding: clamp(80px, 12vh, 120px) clamp(20px, 5vw, 48px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.ca-promise__inner { max-width: 1080px; margin: 0 auto; }
.ca-promise__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(16px, 2vw, 24px);
}
.ca-promise__item {
  display: flex; flex-direction: column; gap: 10px;
  padding: clamp(28px, 4vh, 40px) clamp(24px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s ease, transform .7s ease, border-color .3s ease;
}
.ca-promise__item.is-in { opacity: 1; transform: translateY(0); }
.ca-promise__item:hover { border-color: rgba(255,255,255,0.16); }
.ca-promise__k {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 3.6vw, 40px);
  letter-spacing: -0.01em;
  color: #fff;
  line-height: 1;
}
.ca-promise__v {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}

/* ───── CLOSER ───── */
.ca-closer {
  padding: clamp(100px, 16vh, 160px) clamp(20px, 5vw, 48px);
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(212,175,122,0.05) 0%, rgba(10,10,10,0) 65%),
    var(--bg);
}
.ca-closer__inner {
  max-width: 720px; margin: 0 auto;
  opacity: 0; transform: translateY(20px);
  transition: opacity .8s ease, transform .8s ease;
}
.ca-closer__inner.is-in { opacity: 1; transform: translateY(0); }
.ca-closer__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 16px;
  text-wrap: balance;
}
.ca-closer__sub {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.2vw, 17px);
  color: var(--muted);
  margin-bottom: 32px;
}
.ca-closer__fine {
  margin-top: 28px;
  font-size: 13px;
  color: var(--muted-2);
}
.ca-closer__link {
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.35);
  padding-bottom: 1px;
  transition: border-color .2s ease;
}
.ca-closer__link:hover { border-color: #fff; }

/* ───── FOOTER ───── */
.ca-foot {
  padding: 28px clamp(20px, 5vw, 48px);
  display: flex; justify-content: center; align-items: center; gap: 12px;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--muted-2);
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.ca-foot a:hover { color: #fff; }
.ca-foot__sep { opacity: 0.5; }

/* ───── RESPONSIVE ───── */
@media (max-width: 640px) {
  .ca-nav { padding: 14px 18px; }
  .ca-nav__logo { font-size: 12px; letter-spacing: 0.16em; }
  .ca-nav__link { padding: 7px 10px; font-size: 12px; }
  .ca-hero__inner { padding: 0 22px; }
  .ca-hero__title { font-size: clamp(36px, 10vw, 56px); }
  .ca-phase {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 26px 22px;
  }
  .ca-phase__num { font-size: 36px; opacity: 0.7; }
  .ca-phase__title { font-size: 22px; }
  .ca-btn { padding: 12px 20px; font-size: 12px; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .ca-band, .ca-phase, .ca-promise__item, .ca-section-title, .ca-closer__inner {
    opacity: 1; transform: none;
  }
}

/* ============================================================ */
/* PORTFOLIO                                                     */
/* ============================================================ */
.ca-port {
  background: var(--bg);
  padding: clamp(64px, 9vw, 120px) clamp(20px, 5vw, 56px) clamp(48px, 7vw, 88px);
}
.ca-port__head {
  max-width: 1180px;
  margin: 0 auto clamp(36px, 5vw, 64px);
  text-align: center;
}
.ca-port__head .ca-eyebrow { margin-bottom: 18px; }
.ca-port__kicker {
  font-family: var(--font-body);
  font-size: clamp(14px, 1.2vw, 16px);
  color: var(--muted);
  max-width: 580px;
  margin: 22px auto 0;
  line-height: 1.5;
}
.ca-port__grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: clamp(12px, 1.6vw, 22px);
}
@media (max-width: 720px) {
  .ca-port__grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
@media (max-width: 420px) {
  .ca-port__grid { grid-template-columns: 1fr; }
}

/* Portfolio card */
.ca-pf {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  background: #111;
  border: 1px solid var(--line);
  cursor: pointer;
  opacity: 0; transform: translateY(20px);
  transition: opacity .7s ease, transform .7s ease, border-color .25s ease, transform .35s ease;
  aspect-ratio: 9 / 16;
  isolation: isolate;
}
.ca-pf.is-in { opacity: 1; transform: translateY(0); }
.ca-pf--45 { aspect-ratio: 4 / 5; }
.ca-pf:hover { border-color: rgba(255,255,255,0.22); }
.ca-pf:hover .ca-pf__hint { opacity: 1; }

.ca-pf video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  z-index: 0;
}

/* Bottom gradient veil — keeps caption readable */
.ca-pf__veil {
  position: absolute; left: 0; right: 0; bottom: 0; height: 55%;
  background: linear-gradient(to top, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.35) 55%, rgba(0,0,0,0) 100%);
  z-index: 1;
  pointer-events: none;
  transition: opacity .25s ease;
}
.ca-pf.is-playing .ca-pf__veil { opacity: 0.35; }

/* Caption */
.ca-pf__cap {
  position: absolute; left: 14px; right: 14px; bottom: 12px;
  z-index: 2;
  display: flex; flex-direction: column; gap: 4px;
  pointer-events: none;
}
.ca-pf__title {
  font-family: var(--font-display);
  font-size: 14px; font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0,0,0,0.6);
  line-height: 1.2;
}
.ca-pf__hint {
  font-family: var(--font-body);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  opacity: 0.7;
  transition: opacity .2s ease;
}
.ca-pf.is-playing .ca-pf__hint { opacity: 0; }

/* Sound button */
.ca-pf__sound {
  position: absolute; top: 10px; right: 10px;
  z-index: 3;
  width: 34px; height: 34px;
  border-radius: 999px;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease;
}
.ca-pf__sound:hover { background: rgba(0,0,0,0.75); border-color: rgba(255,255,255,0.35); }
.ca-pf__sound-on { display: none; }
.ca-pf.is-playing .ca-pf__sound-muted { display: none; }
.ca-pf.is-playing .ca-pf__sound-on { display: block; }
.ca-pf.is-playing .ca-pf__sound {
  background: var(--gold-grad);
  border-color: rgba(255,255,255,0.55);
  color: #1a1208;
}

.ca-port__more-note {
  text-align: center;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--muted-2);
  margin-top: clamp(32px, 4vw, 48px);
  letter-spacing: 0.04em;
}