/* ===================================================
   SOLID DOORS & MOLDINGS — Door Story (Apple-style scroll film)
   A pinned, full-screen canvas plays a real-footage frame sequence as you
   scroll: a wood door opens, the camera pushes through and walks inside.
   =================================================== */

.door-story { position: relative; background: #0d0b09; color: var(--cream); margin-top: calc(-1 * var(--nav-h)); }
.door-story.ds-js { height: 620vh; height: 620svh; }

.ds-stage {
  position: sticky; top: 0;
  height: 100vh; height: 100svh;
  overflow: hidden; isolation: isolate;
  background: #0d0b09;
}
.door-story:not(.ds-js) .ds-stage { position: relative; top: 0; }

.ds-canvas, .ds-poster {
  position: absolute; inset: 0; width: 100%; height: 100%;
  display: block;
}
.ds-poster { object-fit: cover; }
.ds-js .ds-poster { transition: opacity 0.6s var(--ease-out); }
.ds-js.ds-ready .ds-poster { opacity: 0; }

/* Legibility: soft gradients that follow where the text sits */
.ds-shade {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(to right, rgba(13,11,9,0.78) 0%, rgba(13,11,9,0.38) 38%, rgba(13,11,9,0) 62%),
    linear-gradient(to top, rgba(13,11,9,0.55) 0%, rgba(13,11,9,0) 35%);
  opacity: var(--shade, 1);
}
.ds-grain {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.06; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ─── Captions ─── */
.ds-caps {
  position: absolute; z-index: 2; inset: 0; pointer-events: none;
  padding: 0 max(var(--gutter), calc((100vw - var(--max-w)) / 2 + var(--gutter)));
}
.ds-cap {
  position: absolute; left: max(var(--gutter), calc((100vw - var(--max-w)) / 2 + var(--gutter)));
  top: 50%; width: min(520px, 44vw);
  transform: translate3d(0, calc(-50% + var(--cy, 0px)), 0);
  opacity: 0; will-change: opacity, transform;
}
.ds-cap.is-live { pointer-events: auto; }
.door-story:not(.ds-js) .ds-cap[data-cap="0"] { opacity: 1; pointer-events: auto; }

.ds-kicker {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 18px;
  display: flex; align-items: center; gap: 12px;
}
.ds-kicker::before { content: ''; width: 32px; height: 1px; background: var(--gold); }
.ds-cap h1 {
  color: var(--cream);
  font-size: clamp(2.8rem, 5.2vw, 5.6rem);
  line-height: 1.02; letter-spacing: -0.02em; margin-bottom: 22px;
}
.ds-cap h2 {
  color: var(--cream);
  font-size: clamp(2.1rem, 3.8vw, 3.6rem);
  line-height: 1.06; letter-spacing: -0.015em; margin-bottom: 16px;
}
.ds-cap h1 em, .ds-cap h2 em { font-style: italic; color: var(--gold); }
.ds-cap p { color: rgba(255,255,255,0.74); font-size: clamp(1rem, 1.3vw, 1.12rem); line-height: 1.65; margin-bottom: 26px; max-width: 440px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.ds-hint {
  position: absolute; z-index: 2; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255,255,255,0.6);
  transition: opacity 0.4s;
}
.ds-hint i {
  width: 1px; height: 42px; display: block;
  background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, var(--gold) 50%, rgba(255,255,255,0) 100%);
  background-size: 100% 200%; animation: ds-hint 2s ease-in-out infinite;
}
@keyframes ds-hint { from { background-position: 0 100%; } to { background-position: 0 -100%; } }

/* Progress */
.ds-progress {
  position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; height: 2px;
  background: rgba(255,255,255,0.08);
}
.ds-progress span { display: block; height: 100%; background: var(--gold); transform: scaleX(0); transform-origin: 0 50%; }
.ds-chapters {
  position: absolute; z-index: 3; right: max(20px, calc(var(--gutter) / 2)); top: 50%;
  transform: translateY(-50%); display: flex; flex-direction: column; gap: 14px;
  font-size: 0.66rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
}
.ds-chapters span { display: flex; align-items: center; justify-content: flex-end; gap: 12px; color: rgba(255,255,255,0.35); transition: color 0.4s; }
.ds-chapters span::after { content: ''; width: 18px; height: 1px; background: currentColor; transition: width 0.4s var(--ease-out); }
.ds-chapters span.on { color: var(--cream); }
.ds-chapters span.on::after { width: 34px; background: var(--gold); }
.door-story:not(.ds-js) .ds-chapters, .door-story:not(.ds-js) .ds-hint { display: none; }

/* ─── Phones / portrait ─── */
@media (max-width: 860px), (orientation: portrait) and (max-width: 1100px) {
  .ds-shade { background: linear-gradient(to top, rgba(13,11,9,0.92) 0%, rgba(13,11,9,0.55) 38%, rgba(13,11,9,0) 62%); }
  .ds-cap {
    left: var(--gutter); right: var(--gutter); width: auto;
    top: auto; bottom: 64px; transform: translate3d(0, var(--cy, 0px), 0);
  }
  .has-mobile-cta .ds-cap { bottom: calc(96px + env(safe-area-inset-bottom)); }
  .has-mobile-cta .ds-hint { bottom: calc(78px + env(safe-area-inset-bottom)); }
    .ds-cap h1 { font-size: clamp(2.3rem, 10vw, 3.2rem); margin-bottom: 14px; }
  .ds-cap h2 { font-size: clamp(1.8rem, 8vw, 2.5rem); margin-bottom: 10px; }
  .ds-cap p { font-size: 0.98rem; margin-bottom: 18px; }
  .hero-ctas .btn { flex: 1 1 auto; justify-content: center; padding: 13px 18px; }
  .ds-chapters { display: none; }
  .ds-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .door-story.ds-js { height: auto; }
  .door-story.ds-js .ds-stage { position: relative; top: 0; }
  .ds-hint i { animation: none; }
}
.ds-link {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gold); border-bottom: 1px solid rgba(180,130,50,0.4); padding-bottom: 3px;
  transition: color 0.2s, border-color 0.2s;
}
.ds-link:hover { color: var(--cream); border-color: var(--cream); }

/* ─── Intro loader (first visit per session) ─── */
#sdm-intro { position: fixed; inset: 0; z-index: 10002; pointer-events: none; color: var(--ink); }
#sdm-intro .si-leaf { position: absolute; top: 0; bottom: 0; width: 50.5%; background: var(--paper); }
#sdm-intro .si-l { left: 0; box-shadow: inset -1px 0 0 rgba(42,33,24,0.08); }
#sdm-intro .si-r { right: 0; box-shadow: inset 3px 0 0 var(--forest); }
#sdm-intro .si-mark {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  text-align: center; white-space: nowrap;
}
#sdm-intro .si-word { display: block; font-family: var(--serif); font-size: clamp(1.5rem, 3.6vw, 3rem); letter-spacing: 0.01em; overflow: hidden; padding: 0.1em 0; }
#sdm-intro .si-word i {
  display: inline-block; font-style: normal; transform: translateY(110%);
  animation: si-rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: calc(0.15s + var(--i, 0) * 0.022s);
}
#sdm-intro .si-sub {
  display: block; margin-top: 10px; font-size: 0.68rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--forest);
  opacity: 0; animation: si-fade 0.8s ease 0.7s both;
}
#sdm-intro .si-count {
  position: absolute; right: max(var(--gutter), 24px); bottom: max(var(--gutter), 24px);
  font-family: var(--serif); font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; color: var(--ink);
  font-variant-numeric: tabular-nums;
}
#sdm-intro .si-count span { font-size: 0.4em; color: var(--forest); margin-left: 4px; }
#sdm-intro .si-line { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(42,33,24,0.08); }
#sdm-intro .si-line i { display: block; height: 100%; background: var(--forest); transform: scaleX(0); transform-origin: 0 50%; transition: transform 0.25s linear; }
@keyframes si-rise { from { transform: translateY(110%); } to { transform: none; } }
@keyframes si-fade { from { opacity: 0; } to { opacity: 1; } }
/* Reveal: text lifts out, then the two leaves part */
#sdm-intro.si-out .si-mark, #sdm-intro.si-out .si-count, #sdm-intro.si-out .si-line { animation: si-lift 0.5s cubic-bezier(0.76, 0, 0.24, 1) both; }
#sdm-intro.si-out .si-l { animation: si-open-l 1.1s cubic-bezier(0.76, 0, 0.24, 1) 0.35s both; }
#sdm-intro.si-out .si-r { animation: si-open-r 1.1s cubic-bezier(0.76, 0, 0.24, 1) 0.35s both; }
@keyframes si-lift { to { opacity: 0; transform: translate(-50%, -62%); } }
@keyframes si-open-l { to { transform: translateX(-101%); } }
@keyframes si-open-r { to { transform: translateX(101%); } }
/* The film eases in from a slight zoom as the doors part */
body.film-revealed .ds-stage { animation: ds-settle 1.6s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both; }
@keyframes ds-settle { from { transform: scale(1.06); } to { transform: none; } }