/* Doobara demo: homepage chapters */
.on-dark { background: var(--ink-2); color: var(--paper); }
section { position: relative; }
.sec-head { padding: 0 var(--gutter); max-width: 1400px; margin: 0 auto 56px; }
.sec-head.row { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.sec-head .display { font-size: clamp(48px, 7.2vw, 120px); margin: 14px 0 18px; }

/* ---------- hero: plain paper, one cobalt disc, a slow ring of ticks ---------- */
.hero { min-height: 100svh; overflow: hidden; display: flex; align-items: center; }
.hero-inner {
  position: relative; z-index: 2; width: 100%; max-width: 1440px; margin: 0 auto; padding: 110px var(--gutter) 120px;
  display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 24px;
}
.hero h1 { font-size: clamp(44px, 5.6vw, 100px); margin: 22px 0 22px; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-from { margin-top: 22px; opacity: .55; }
.hero-shoe { position: relative; display: block; aspect-ratio: 3 / 2; }
.hero-shoe .disc { position: absolute; left: 50%; top: 50%; width: 74%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; background: var(--cobalt); }
.hero-shoe .ring { position: absolute; inset: -9%; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--line); }
.hero-shoe .ticks { position: absolute; inset: -17%; width: 134%; height: 134%; animation: spin 60s linear infinite; }
.hero-shoe .ticks circle { fill: none; stroke: var(--ink); stroke-opacity: .35; stroke-width: 3; stroke-dasharray: .4 5.6; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-shoe img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain;
  filter: drop-shadow(0 30px 22px rgba(12, 11, 10, .28)); animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-16px) rotate(-2deg); } }
.hero-shoe .now { position: absolute; left: 0; bottom: -6px; display: grid; gap: 8px; }
.hero-shoe .now .label { opacity: .6; }
.scroll-cue { position: absolute; z-index: 3; left: 50%; bottom: 22px; transform: translateX(-50%); display: grid; justify-items: center; gap: 8px; opacity: .6; }
.scroll-cue span { width: 1px; height: 36px; background: linear-gradient(var(--ink), transparent); animation: cue 2s ease-in-out infinite; transform-origin: top; }
@keyframes cue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }
@media (max-width: 520px) {
  .hero-shoe .flap { font-size: 9.5px; }
  .tn-cap .line { display: none; }
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 96px; padding-bottom: 150px; }
  .hero-shoe { order: -1; width: 92%; margin: 0 auto 6px; }
  .hero-shoe .disc { width: 66%; }
  .hero .cta .btn { flex: 1 1 auto; justify-content: center; }
}

/* ---------- marquee ---------- */
.marquee { overflow: hidden; background: var(--cobalt); color: #fff; padding: 18px 0; }
.mq-track { display: flex; width: max-content; will-change: transform; }
.mq-track span { font: italic 800 condensed clamp(26px, 3.4vw, 46px)/1 var(--display); letter-spacing: -.005em; text-transform: uppercase; white-space: nowrap; padding-right: .4em; }

/* ---------- then → now ---------- */
.idea { padding: 140px 0 120px; }
.tn-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 0 var(--gutter); max-width: 1400px; margin: 0 auto; }
.tn { position: relative; }
.tn-box { position: relative; aspect-ratio: 4 / 5; background: #F7F3EB; border-radius: 18px; overflow: hidden; box-shadow: inset 0 0 0 1px var(--line); }
.tn-then, .tn-now { position: absolute; inset: 0; display: grid; place-items: center; }
.tn-then svg { width: 78%; height: auto; }
.tn-now { background: var(--paper-2); opacity: 0; will-change: opacity, transform; }
.tn-now img { width: 92%; filter: drop-shadow(0 18px 16px rgba(0, 0, 0, .18)); transform: rotate(-6deg); }
.tn-screen { position: absolute; inset: 0; background: radial-gradient(circle, transparent 2.4px, var(--paper-2) 3.2px) 0 0 / 11px 11px; will-change: opacity; }
.tn-then { will-change: opacity, transform; }
.tn-cap { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 16px 4px 0; }
.tn-cap .then-t { color: var(--muted); grid-column: 1 / -1; font-size: 14px; }
.tn-cap h3 { margin: 0; font: 800 condensed 28px/1 var(--display); letter-spacing: -.005em; text-transform: uppercase; }
.tn-cap .price { align-self: end; font-weight: 500; }
@media (max-width: 1000px) { .tn-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .tn-grid { grid-template-columns: 1fr 1fr; gap: 12px; } .tn-cap h3 { font-size: 22px; } }

/* ---------- stockroom ---------- */
.stockroom { height: 100svh; min-height: 620px; }
.sr-stage { position: relative; height: 100%; overflow: hidden; }
.sr-stage::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, rgba(12,11,10,.78), rgba(12,11,10,0) 38%), radial-gradient(ellipse at 50% 55%, transparent 55%, rgba(12,11,10,.65)); }
.sr-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: pan-y; }
.sr-head { position: absolute; z-index: 2; left: var(--gutter); top: 96px; pointer-events: none; }
.sr-head .display { font-size: clamp(40px, 5vw, 80px); margin: 12px 0 14px; text-shadow: 0 2px 24px rgba(0, 0, 0, .6); }
.sr-side { color: #8FA0FF; }
.sr-chips { position: absolute; z-index: 2; left: var(--gutter); bottom: 32px; align-items: center; max-width: calc(100% - 2 * var(--gutter)); }
.sr-chips .chip { background: rgba(12, 11, 10, .55); backdrop-filter: blur(6px); }
.sr-chips .chip.on { background: var(--paper); }
.sr-count { margin-left: 8px; opacity: .7; }
.sr-chips, .sr-hint, .sr-pan { transition: opacity .4s; }
.sr-head { transition: opacity .4s; }
.stockroom.is-open .sr-head, .stockroom.is-open .sr-chips, .stockroom.is-open .sr-hint, .stockroom.is-open .sr-pan { opacity: 0; pointer-events: none; }
.sr-pan { position: absolute; z-index: 2; right: var(--gutter); bottom: 32px; display: none; gap: 8px; }
.sr-hint { position: absolute; z-index: 2; right: var(--gutter); top: 104px; opacity: .55; }
.sr-tip {
  position: absolute; z-index: 3; left: 0; top: 0; display: grid; gap: 2px; padding: 10px 14px; border-radius: 10px;
  background: var(--paper); color: var(--ink); pointer-events: none; opacity: 0; transition: opacity .2s; font-size: 13px;
}
.sr-tip.on { opacity: 1; }
.sr-tip strong { font: 800 condensed 22px/1.1 var(--display); letter-spacing: -.005em; text-transform: uppercase; }
.sr-panel {
  position: absolute; z-index: 4; top: 84px; right: var(--gutter); bottom: 28px; width: min(420px, 38vw);
  background: var(--paper); color: var(--ink); border-radius: 20px; padding: 26px 26px 22px; overflow: auto;
  transform: translateX(calc(100% + 60px)); transition: transform .7s var(--ease) .15s;
}
.sr-panel.open { transform: none; }
.sr-close { float: right; display: inline-flex; align-items: center; gap: 10px; min-height: 40px; margin: -6px -6px 0 0; }
.sr-close .x { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: var(--paper); font-size: 15px; transition: background .25s, transform .3s var(--ease); }
.sr-close:hover .x { background: var(--cobalt); transform: rotate(90deg); }
.sr-back {
  position: absolute; z-index: 3; left: var(--gutter); bottom: 32px; display: inline-flex; gap: .5em; padding: 10px 16px; border-radius: 99px;
  background: rgba(12, 11, 10, .6); box-shadow: inset 0 0 0 1px var(--line-light); opacity: 0; pointer-events: none; transition: opacity .4s .5s;
}
.sr-back-touch { display: none; }
@media (hover: none) { .sr-back-touch { display: inline; } .sr-back-mouse { display: none; } }
.stockroom.is-open .sr-back { opacity: .9; }
.sr-name { font: 800 condensed clamp(44px, 4.4vw, 64px)/.95 var(--display); letter-spacing: -.005em; text-transform: uppercase; margin: 10px 0 12px; }
.sr-desc { color: var(--muted); margin: 0 0 16px; font-size: 15px; }
.sr-row { display: flex; align-items: baseline; gap: 10px; }
.sr-price { font: 500 26px/1 var(--sans); }
.sr-colours { align-items: center; padding: 14px 0 4px; }
.sr-cname { margin-left: 8px; }
.sr-lbl { margin: 14px 0 8px; display: flex; gap: 8px; align-items: center; }
.sr-sizes { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.size { min-height: 44px; border-radius: 10px; box-shadow: inset 0 0 0 1px var(--line); font: 500 15px/1 var(--sans); }
.size:hover { box-shadow: inset 0 0 0 1px var(--ink); }
.size.on { background: var(--ink); color: var(--paper); }
.sr-actions { display: flex; gap: 8px; margin: 16px 0 18px; flex-wrap: wrap; }
.sr-actions .btn { flex: 1; justify-content: center; }
.sr-panel .btn { --bg: var(--ink); --fg: var(--paper); }
.sr-panel .btn:hover { --bg: var(--cobalt); --fg: #fff; }
.sr-panel .btn.ghost { --bg: transparent; --fg: var(--ink); }
.sr-panel .btn.ghost:hover { --bg: var(--ink); --fg: var(--paper); }
.sr-spec { margin: 0; display: grid; gap: 10px; border-top: 1px solid var(--line); padding-top: 14px; }
.sr-spec dd { margin: 2px 0 0; font-size: 14px; }
@media (max-width: 900px) {
  .sr-stage::after { background: linear-gradient(180deg, rgba(12,11,10,.9), rgba(12,11,10,0) 34%), radial-gradient(ellipse at 50% 55%, transparent 55%, rgba(12,11,10,.65)); }
}
@media (max-width: 760px) {
  .stockroom { height: 92svh; }
  .sr-head { top: 80px; }
  .sr-hint { display: none; }
  .sr-pan { display: flex; bottom: 84px; }
  .sr-chips { flex-wrap: nowrap; overflow-x: auto; bottom: 22px; padding-bottom: 4px; scrollbar-width: none; }
  .sr-chips .chip { flex: none; }
  .sr-panel { top: auto; left: 8px; right: 8px; bottom: 8px; width: auto; max-height: 56%; transform: translateY(calc(100% + 40px)); padding: 20px; }
  .sr-name { font-size: 40px; }
  .sr-back { left: 50%; top: 70px; bottom: auto; padding: 8px 14px; transform: translateX(-50%); white-space: nowrap; }
}

/* ---------- side b ---------- */
.sideb { padding: 140px 0 100px; }
.sb-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; padding: 0 var(--gutter); max-width: 1400px; margin: 0 auto; }
.sb-grid .card h3 { font-size: 24px; }
@media (max-width: 1100px) { .sb-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .sb-grid { grid-template-columns: 1fr 1fr; gap: 12px; } .sb-grid .card h3 { font-size: 20px; } .card .meta { flex-direction: column; gap: 6px; } }

/* ---------- shapes ---------- */
.shapes { padding: 60px 0 120px; }
.shape-list { list-style: none; margin: 0 auto; padding: 0 var(--gutter); max-width: 1400px; border-top: 1px solid var(--line); }
.shape-list a {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line);
  transition: padding .4s var(--ease), color .3s;
}
.shape-list .nm { font: 800 condensed clamp(40px, 6vw, 92px)/1 var(--display); letter-spacing: -.005em; text-transform: uppercase; }
.shape-list a:hover { padding-left: 24px; color: var(--cobalt); }
.shape-list .ct { white-space: nowrap; }
.shape-peek {
  position: fixed; z-index: 20; left: 0; top: 0; width: 300px; pointer-events: none; opacity: 0;
  filter: drop-shadow(0 20px 20px rgba(0, 0, 0, .2)); transition: opacity .25s;
}
@media (hover: none) { .shape-peek { display: none; } }

/* ---------- why ---------- */
.why { padding: 0 var(--gutter) 120px; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; max-width: 1400px; margin: 0 auto; border-top: 1px solid var(--ink); }
.why-grid > div { padding: 26px 22px 0 0; }
.why-grid h3 { font: 800 condensed 28px/1.05 var(--display); letter-spacing: -.005em; text-transform: uppercase; margin: 12px 0 10px; }
.why-grid p:not(.label) { color: var(--muted); font-size: 15px; margin: 0; }
@media (max-width: 900px) { .why-grid { grid-template-columns: 1fr 1fr; gap: 28px 16px; } }

/* ---------- echo ---------- */
.echo { padding: 40px var(--gutter) 140px; text-align: center; overflow: hidden; }
.echo-word { position: relative; display: inline-grid; font: 700 clamp(80px, 19vw, 300px)/.85 var(--wordmark); letter-spacing: -.06em; }
.echo-word span { grid-area: 1 / 1; }
.echo-word span:nth-child(2) { color: transparent; -webkit-text-stroke: 1px rgba(43, 70, 229, .55); }
.echo-word span:nth-child(3) { color: transparent; -webkit-text-stroke: 1px rgba(43, 70, 229, .35); }
.echo-word span:nth-child(4) { color: transparent; -webkit-text-stroke: 1px rgba(43, 70, 229, .18); }
.echo .lede { margin: 28px auto 0; text-align: center; }

/* ---------- cta band ---------- */
.cta-band { min-height: 86svh; display: grid; place-items: center; overflow: hidden; text-align: center; }
.cta-band .sky { position: absolute; inset: 0; width: 100%; height: 100%; }
.cta-inner { position: relative; z-index: 2; padding: 120px var(--gutter); }
.cta-band .display { font-size: clamp(56px, 9vw, 150px); margin: 18px 0 16px; }
.cta-band .lede { margin: 0 auto; }
.notify { display: flex; gap: 8px; justify-content: center; margin: 30px auto 16px; max-width: 520px; flex-wrap: wrap; }
.notify input {
  flex: 1 1 240px; min-height: 48px; padding: 0 20px; border-radius: 999px; border: 1px solid var(--line-light);
  background: rgba(12, 11, 10, .6); color: var(--paper); font: inherit;
}
.notify input::placeholder { color: rgba(241, 236, 226, .5); }
.wa-link { opacity: .75; display: inline-flex; gap: 8px; align-items: center; }

@media (prefers-reduced-motion: reduce) {
  .hero-shoe .ticks, .hero-shoe img, .scroll-cue span { animation: none; }
}