/* ============================================================
   CARELO — marketing site design system (founder-approved look:
   Plus Jakarta Sans, light weights, blue not green, luxury-clean)
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --ink: #0f172a; --body: #475569; --faint: #64748b; --line: #e6eaf1;
  --blue: #1d4ed8; --blue2: #3b82f6; --sky: #06b6d4; --violet: #7c3aed;
  --orange1: #f59e0b; --orange2: #ea580c;
  --bg-soft: linear-gradient(160deg, #f7faff 0%, #eef4ff 55%, #f3f0ff 100%);
  --shadow-card: 0 24px 60px -30px rgba(2,12,27,.32), 0 2px 6px rgba(2,12,27,.05);
  --shadow-deep: 0 34px 80px -34px rgba(2,12,27,.45);
  --r: 20px;
}
html { scroll-behavior: smooth; }
body { font-family: 'Plus Jakarta Sans', sans-serif; color: var(--ink); background: #fff; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
.duo { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 56px; align-items: center; }
.duo.top { align-items: start; }
/* height:auto is the REQUIRED companion to the width/height attributes added
   for layout stability (founder, 14 Aug 2026: "fix this image weird") —
   without it max-width shrinks the width while the height stays pinned to the
   attribute, stretching every image out of proportion. */
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

/* ---------------- NAV (approved 18 Jul 2026) ---------------- */
.nav-wrap { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.86); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
nav.top { max-width: 1280px; margin: 0 auto; display: flex; align-items: center; gap: 2px; padding: 13px 24px; }
.brand { display: flex; align-items: center; gap: 9px; margin-right: 26px; }
.brand img { width: 30px; height: 30px; }
.brand b { font-size: 1.22rem; font-weight: 700; letter-spacing: -.02em; }
nav.top a.mi { color: #334155; font-size: .92rem; font-weight: 500; padding: 9px 14px; border-radius: 10px; white-space: nowrap; }
nav.top a.mi:hover, nav.top a.mi.on { background: #f1f5fb; color: var(--blue); }
nav.top a.ai { color: var(--blue); font-weight: 600; }
.nav-spacer { flex: 1; }
.btn-mig { background: linear-gradient(135deg, var(--orange1), var(--orange2)); color: #fff; font-weight: 600; font-size: .92rem; padding: 11px 19px; border-radius: 12px; box-shadow: 0 10px 22px -10px rgba(234,88,12,.6); white-space: nowrap; }
.btn-demo { background: linear-gradient(135deg, var(--blue), var(--blue2)); color: #fff; font-weight: 600; font-size: .92rem; padding: 11px 22px; border-radius: 12px; box-shadow: 0 10px 22px -10px rgba(29,78,216,.65); white-space: nowrap; }
.btn-mig:hover, .btn-demo:hover { transform: translateY(-1px); transition: transform .15s; }
.burger { display: none; margin-left: auto; width: 42px; height: 40px; border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer; align-items: center; justify-content: center; flex-direction: column; gap: 4px; }
.burger span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }

/* ---------------- shared building blocks ---------------- */
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
section.band { padding: 84px 0; }
section.band.soft { background: var(--bg-soft); }
section.band.dark { background: linear-gradient(140deg, #0a1c4d 0%, #123a9e 55%, #1e4fd8 100%); color: #fff; }
.eyebrow { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); background: #e3edff; border-radius: 999px; padding: 7px 16px; }
.band.dark .eyebrow { color: #bfdbfe; background: rgba(255,255,255,.12); }
h1.hero-h { font-size: clamp(2.2rem, 4.6vw, 3.4rem); font-weight: 700; letter-spacing: -.03em; line-height: 1.1; }
h2.sec-h { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 700; letter-spacing: -.025em; line-height: 1.16; margin-top: 16px; }
.grad { background: linear-gradient(90deg, var(--blue), var(--sky)); -webkit-background-clip: text; background-clip: text; color: transparent; }
p.sec-p { margin-top: 14px; color: var(--body); font-size: 1.04rem; line-height: 1.7; max-width: 62ch; }
.band.dark p.sec-p { color: #cbd8f6; }
.center { text-align: center; }
.center p.sec-p { margin-left: auto; margin-right: auto; }

/* cards */
.cards { display: grid; gap: 22px; margin-top: 44px; }
.cards.c2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.cards.c3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.cards.c4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow-card); transition: transform .18s, box-shadow .18s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-deep); }
.card .pad { padding: 22px 24px 26px; }
.card h3 { font-size: 1.06rem; font-weight: 600; letter-spacing: -.01em; }
.card p { margin-top: 8px; color: var(--body); font-size: .9rem; line-height: 1.6; }
.card img.thumb { width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: top; }
.card img.thumb.sq { aspect-ratio: 1/1; }
.card .link { display: inline-block; margin-top: 14px; color: var(--blue); font-weight: 600; font-size: .88rem; }

/* split feature rows */
.split { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 56px; align-items: center; margin-top: 56px; }
.split.rev .txt { order: 2; }
.split img { border-radius: 18px; box-shadow: var(--shadow-deep); }
.split .txt h3 { font-size: 1.55rem; font-weight: 700; letter-spacing: -.02em; line-height: 1.2; }
.split .txt p { margin-top: 12px; color: var(--body); font-size: 1rem; line-height: 1.7; }
.split .txt ul { margin: 18px 0 0; list-style: none; }
.split .txt li { position: relative; padding: 7px 0 7px 30px; color: #334155; font-size: .95rem; }
.split .txt li::before { content: ''; position: absolute; left: 0; top: 10px; width: 19px; height: 19px; border-radius: 50%; background: #dcfce7 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23047857'%3E%3Cpath d='M9.4 17.4 4.6 12.6l1.8-1.8 3 3 8.2-8.2 1.8 1.8z'/%3E%3C/svg%3E") center/12px no-repeat; }

/* stat strip */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; margin-top: 48px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px; box-shadow: var(--shadow-card); }
.stat b { display: block; font-size: 1.7rem; font-weight: 700; letter-spacing: -.02em; color: var(--blue); }
.stat span { display: block; margin-top: 4px; font-size: .82rem; color: var(--faint); }

/* CTA banner */
.cta-band { border-radius: 24px; padding: 54px 58px; background: linear-gradient(140deg, #0a1c4d, #123a9e 55%, #1e4fd8); color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 30px; box-shadow: var(--shadow-deep); }
.cta-band h3 { font-size: 1.7rem; font-weight: 700; letter-spacing: -.02em; }
.cta-band p { margin-top: 8px; color: #cbd8f6; font-size: .98rem; }
.cta-band .btns { display: flex; gap: 12px; flex-shrink: 0; flex-wrap: wrap; justify-content: center; min-width: 0; }
.btn-xl { display: inline-block; font-weight: 600; padding: 15px 28px; border-radius: 14px; font-size: 1rem; }
.btn-xl.blue { background: #fff; color: var(--blue); }
.btn-xl.orange { background: linear-gradient(135deg, var(--orange1), var(--orange2)); color: #fff; box-shadow: 0 14px 30px -12px rgba(234,88,12,.7); }
.btn-xl.line { border: 1.5px solid #d8e6ff; color: var(--blue); background: #fff; }
.btn-xl.solid { background: linear-gradient(135deg, var(--blue), var(--blue2)); color: #fff; box-shadow: 0 14px 28px -12px rgba(29,78,216,.7); }

/* pricing */
.price-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 16px; margin-top: 48px; }
.price { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 26px 22px; box-shadow: var(--shadow-card); position: relative; }
.price.hot { border: 2px solid var(--blue); box-shadow: var(--shadow-deep); }
.price .tag-pop { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--blue), var(--blue2)); color: #fff; font-size: .64rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; border-radius: 999px; padding: 5px 14px; white-space: nowrap; }
.price h4 { font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.price .amount { margin-top: 12px; font-size: 2rem; font-weight: 700; letter-spacing: -.02em; }
.price .amount small { font-size: .8rem; font-weight: 500; color: var(--faint); }
.price .ai-line { margin-top: 8px; font-size: .8rem; color: var(--blue); font-weight: 600; }
.price ul { margin-top: 16px; list-style: none; }
.price li { font-size: .8rem; color: var(--body); padding: 4px 0 4px 22px; position: relative; }
.price li::before { content: '✓'; position: absolute; left: 2px; color: #047857; font-weight: 700; }

/* comparison table */
.cmp { width: 100%; border-collapse: collapse; margin-top: 44px; background: #fff; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-card); }
.cmp th, .cmp td { padding: 15px 18px; text-align: left; font-size: .92rem; border-bottom: 1px solid #eef1f6; }
.cmp th { background: #0f2a6b; color: #fff; font-weight: 600; }
.cmp td:not(:first-child), .cmp th:not(:first-child) { text-align: center; border-left: 1px solid #eef1f6; }
.cmp td.yes { color: #047857; font-weight: 700; }
.cmp td.no { color: #b91c1c; font-weight: 600; }
.cmp tr:nth-child(even) td { background: #fbfcff; }

/* forms */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 38px 40px; box-shadow: var(--shadow-deep); max-width: 620px; }
.form-card label { display: block; margin-top: 18px; font-size: .82rem; font-weight: 600; color: #334155; }
.form-card input, .form-card select, .form-card textarea { width: 100%; margin-top: 7px; border: 1.5px solid var(--line); border-radius: 12px; padding: 13px 15px; font: inherit; font-size: .95rem; color: var(--ink); background: #fbfcfe; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus { outline: none; border-color: var(--blue2); box-shadow: 0 0 0 4px rgba(59,130,246,.12); }
.form-card button { margin-top: 26px; width: 100%; border: 0; cursor: pointer; font: inherit; }
.form-note { margin-top: 14px; font-size: .8rem; color: var(--faint); text-align: center; }

/* footer */
footer.site { background: #0a1c4d; color: #cbd8f6; margin-top: 90px; }
footer.site .wrap { display: grid; grid-template-columns: minmax(0,1.4fr) repeat(3, minmax(0,1fr)); gap: 40px; padding: 64px 24px 40px; }
footer.site h5 { color: #fff; font-size: .82rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px; }
footer.site a { display: block; padding: 5px 0; font-size: .88rem; color: #b9c8ec; }
footer.site a:hover { color: #fff; }
footer.site .fbrand { display: flex; align-items: center; gap: 9px; }
footer.site .fbrand img { width: 30px; height: 30px; }
footer.site .fbrand b { color: #fff; font-size: 1.2rem; font-weight: 700; }
footer.site .fine { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 24px; font-size: .78rem; color: #8fa3d4; display: flex; justify-content: space-between; gap: 14px; max-width: 1280px; margin: 0 auto; }

/* ---------------- MOBILE (founder: cards TWO columns, never a vertical pile) ---------------- */
@media (max-width: 1080px) {
  nav.top a.mi, nav.top a.ai { display: none; }
  .btn-mig { display: none; }
  .burger { display: flex; }
  nav.top.open a.mi, nav.top.open a.ai, nav.top.open .btn-mig { display: block; }
  nav.top.open { flex-wrap: wrap; }
  nav.top.open a.mi, nav.top.open a.ai { width: 100%; padding: 12px 14px; }
  nav.top.open .btn-mig { width: 100%; text-align: center; margin-top: 6px; }
  .split { grid-template-columns: minmax(0,1fr); gap: 28px; }
  .split.rev .txt { order: 0; }
  .duo { grid-template-columns: minmax(0,1fr); gap: 34px; }
  .cta-band { flex-direction: column; text-align: center; padding: 40px 28px; }
  .price-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  footer.site .wrap { grid-template-columns: minmax(0,1fr) minmax(0,1fr); }
}
@media (max-width: 720px) {
  section.band { padding: 56px 0; }
  .btn-xl { padding: 13px 20px; font-size: .9rem; }
  .cta-band { min-width: 0; }
  .cta-band .btns { width: 100%; }
  h1.hero-h { overflow-wrap: anywhere; }
  .wrap { min-width: 0; }
  .cards.c2, .cards.c3, .cards.c4 { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 13px; }
  .card .pad { padding: 14px 15px 17px; }
  .card h3 { font-size: .92rem; }
  .card p { font-size: .78rem; }
  .stats { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
  .price-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .form-card { padding: 26px 22px; }
  .cmp th, .cmp td { padding: 10px 8px; font-size: .74rem; }
}




/* ============================================================
   OUR APPS v4 (founder, 13 Aug 2026 — "smart, luxury, rich,
   premium; sections must never feel dead"). Light and rich:
   layered gradients, glass, fine borders, depth — and MOTION:
   scroll-reveals everywhere, a floating hero halo, drifting
   stage glows, a living poster deck with peeking neighbours,
   and an animated index whose progress bar times the autoplay.
   ============================================================ */
.oa-ic { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* scroll reveal — content ARRIVES, staggered */
.rv { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.22,.8,.24,1); }
.rv.in { opacity: 1; transform: none; }
.rv.d1 { transition-delay: .12s; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }

/* tighter, denser rhythm (founder: "too much padding") */
section.band.tight { padding: 58px 0; }
.band.tight .split { margin-top: 44px; gap: 48px; }

/* ---- HERO: white with a whisper of light, text left ---- */
.oa-hero { padding: 54px 0 66px; background:
  radial-gradient(900px 480px at 88% -10%, rgba(59,130,246,.10), transparent 60%),
  radial-gradient(700px 420px at -6% 110%, rgba(6,182,212,.07), transparent 55%), #fff; }
.oa-hgrid { display: grid; grid-template-columns: minmax(0,1.02fr) minmax(0,1fr); gap: 56px; align-items: center; }
.oa-himg { position: relative; }
.oa-himg .halo { position: absolute; inset: -7%; border-radius: 36px; pointer-events: none; filter: blur(46px); opacity: .5;
  background: conic-gradient(from 210deg, rgba(59,130,246,.35), rgba(6,182,212,.22), rgba(124,58,237,.18), rgba(59,130,246,.35)); }
.oa-himg img { position: relative; border-radius: 26px;
  box-shadow: 0 60px 120px -46px rgba(13,42,99,.55), 0 6px 18px rgba(13,42,99,.08), 0 0 0 1px rgba(255,255,255,.65) inset; }
@media (prefers-reduced-motion: no-preference) {
  .oa-himg img { animation: oaFloat 7.5s ease-in-out infinite; }
  .oa-himg .halo { animation: oaHalo 11s ease-in-out infinite alternate; }
}
@keyframes oaFloat { 0%,100% { transform: translateY(0) } 50% { transform: translateY(-10px) } }
@keyframes oaHalo { from { transform: rotate(0deg) scale(1) } to { transform: rotate(14deg) scale(1.06) } }
.oa-trust { margin-top: 16px; font-size: .78rem; letter-spacing: .02em; color: var(--faint); }

/* ---- store cards: the OFFICIAL APP ICON on top, same size on both ---- */
.oa-stores { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.oa-store { position: relative; display: flex; flex-direction: column; align-items: center; gap: 10px; min-width: 178px;
  padding: 16px 22px 14px; border-radius: 18px; color: #fff; overflow: hidden;
  background: linear-gradient(155deg, #0c2158, #0a1c4d 55%, #123a86); border: 1px solid rgba(120,160,255,.35);
  box-shadow: 0 22px 44px -20px rgba(10,28,77,.6), 0 0 0 1px rgba(255,255,255,.06) inset;
  transition: transform .18s, box-shadow .18s, border-color .18s; }
.oa-store::after { content: ''; position: absolute; inset: 0 0 auto 0; height: 46%; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.10), transparent); }
.oa-store:hover { transform: translateY(-3px); border-color: rgba(140,180,255,.65); box-shadow: 0 30px 56px -22px rgba(16,48,130,.75); }
.oa-store .ai { width: 52px; height: 52px; border-radius: 13px; box-shadow: 0 10px 22px -8px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.3); }
.oa-store .line { display: inline-flex; align-items: center; gap: 9px; }
.oa-store .line svg { width: 20px; height: 20px; flex: none; }
.oa-store .line i { display: block; font-style: normal; font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; color: #b9c8ec; }
.oa-store .line b { display: block; font-size: .95rem; font-weight: 600; margin-top: 1px; }

/* app identity */
.oa-id { display: flex; align-items: center; gap: 18px; }
.oa-id .mark { width: 72px; height: 72px; border-radius: 19px; flex: none; box-shadow: 0 18px 40px -18px rgba(29,78,216,.75), 0 0 0 1px rgba(255,255,255,.7) inset; }
.oa-id h2 { font-size: clamp(1.7rem, 3vw, 2.35rem); font-weight: 300; letter-spacing: -.03em; line-height: 1.12; }
.oa-id h2 b { font-weight: 700; }
.oa-id .st { margin-top: 6px; font-size: .84rem; color: var(--faint); }

/* ---- SHOWCASE: living poster deck + animated index ---- */
.oa-show { display: grid; grid-template-columns: minmax(0,1.04fr) minmax(0,1fr); gap: 46px; align-items: stretch; margin-top: 38px; }
.oa-show.rev .oa-stage { order: 2; }
.oa-stage { position: relative; overflow: hidden; border-radius: 28px; min-height: 560px; display: grid; place-items: center;
  background:
    radial-gradient(120% 90% at 20% 0%, rgba(59,130,246,.16), transparent 55%),
    radial-gradient(110% 80% at 90% 100%, rgba(6,182,212,.14), transparent 55%),
    linear-gradient(160deg, #eaf2ff 0%, #f8fbff 48%, #e7f0ff 100%);
  border: 1px solid #cfe0fa; box-shadow: 0 34px 80px -40px rgba(13,42,99,.4), 0 0 0 1px rgba(255,255,255,.7) inset; }
.oa-stage .glow { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; }
.oa-stage .g1 { width: 380px; height: 380px; background: rgba(59,130,246,.30); top: -90px; right: -70px; }
.oa-stage .g2 { width: 340px; height: 340px; background: rgba(6,182,212,.22); bottom: -100px; left: -80px; }
@media (prefers-reduced-motion: no-preference) {
  .oa-stage .g1 { animation: oaDrift 10s ease-in-out infinite alternate; }
  .oa-stage .g2 { animation: oaDrift 12s ease-in-out infinite alternate-reverse; }
}
@keyframes oaDrift { from { transform: translate(0,0) } to { transform: translate(-36px, 26px) } }
.oa-deck { position: relative; width: 100%; height: 100%; min-height: inherit; display: grid; place-items: center; }
.oa-poster { border-radius: 20px; overflow: hidden; }
.oa-poster img { width: 100%; height: 100%; object-fit: cover; display: block; }
.oa-poster.mid { position: relative; z-index: 3; height: clamp(480px, 60vh, 620px); aspect-ratio: 941 / 1620;
  box-shadow: 0 46px 100px -38px rgba(9,30,70,.62), 0 0 0 1px rgba(255,255,255,.55); }
.oa-poster.mid img { animation: oaIn .6s cubic-bezier(.22,.8,.24,1); }
@keyframes oaIn { from { opacity: .35; transform: scale(.975) } to { opacity: 1; transform: scale(1) } }
.oa-poster.side { position: absolute; top: 50%; z-index: 1; height: clamp(400px, 48vh, 500px); aspect-ratio: 941 / 1620;
  transform: translateY(-50%) scale(.96); opacity: .38; filter: saturate(.75); cursor: pointer;
  box-shadow: 0 30px 60px -30px rgba(9,30,70,.5); transition: opacity .25s, transform .25s; }
.oa-poster.side:hover { opacity: .6; }
.oa-poster.side.l { left: -54px; }
.oa-poster.side.r { right: -54px; }
.oa-nav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 6; width: 50px; height: 50px; border-radius: 50%;
  border: 1px solid rgba(122,162,255,.5); background: rgba(255,255,255,.78); backdrop-filter: blur(12px); color: var(--blue); cursor: pointer;
  display: grid; place-items: center; box-shadow: 0 14px 30px -14px rgba(13,42,99,.45); transition: background .16s, color .16s, transform .16s, border-color .16s; }
.oa-nav:hover { background: var(--blue); color: #fff; border-color: transparent; transform: translateY(-50%) scale(1.08); }
.oa-nav.p { left: 16px; } .oa-nav.n { right: 16px; }
.oa-nav svg { width: 21px; height: 21px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.oa-count { position: absolute; bottom: 14px; right: 18px; z-index: 6; font-size: .76rem; color: #3b5480;
  background: rgba(255,255,255,.82); border: 1px solid rgba(122,162,255,.4); border-radius: 999px; padding: 5px 13px; backdrop-filter: blur(8px); }
.oa-count b { color: var(--blue); font-weight: 700; }

/* the index — the story beside the show; the active line is ALIVE */
.oa-side { display: flex; flex-direction: column; min-width: 0; }
.oa-side h3 { font-size: clamp(1.45rem, 2.4vw, 1.9rem); font-weight: 300; letter-spacing: -.03em; line-height: 1.15; }
.oa-side h3 b { font-weight: 700; }
.oa-side .lead { margin-top: 9px; color: var(--body); font-size: .93rem; line-height: 1.65; }
.oa-list { margin-top: 18px; border-top: 1px solid #dfe8f5; }
.oa-list .row { position: relative; display: grid; grid-template-columns: 40px minmax(0,1fr); grid-template-rows: auto 0fr; align-items: baseline;
  width: 100%; text-align: left; border: 0; background: none; cursor: pointer; font: inherit; color: inherit;
  padding: 10px 12px 10px 14px; border-bottom: 1px solid #dfe8f5; transition: background .2s, grid-template-rows .45s cubic-bezier(.22,.8,.24,1); }
.oa-list .row:hover { background: rgba(59,130,246,.05); }
.oa-list .row::before { content: ''; position: absolute; left: 0; top: 12%; bottom: 12%; width: 3px; border-radius: 999px;
  background: linear-gradient(180deg, var(--blue2), var(--sky)); opacity: 0; transform: scaleY(.4); transition: opacity .3s, transform .3s; }
.oa-list .row .n { font-size: .72rem; font-weight: 700; letter-spacing: .06em; color: #9fb3d4; font-variant-numeric: tabular-nums; transition: color .2s; }
.oa-list .row .t { font-size: .95rem; font-weight: 500; letter-spacing: -.01em; color: #33415e; transition: color .2s; }
.oa-list .row .d { grid-column: 2; overflow: hidden; min-height: 0; font-size: .85rem; line-height: 1.6; color: var(--body); opacity: 0; transition: opacity .35s .1s; }
.oa-list .row .bar { grid-column: 1 / -1; display: block; height: 2px; margin-top: 0; border-radius: 999px; width: 0;
  background: linear-gradient(90deg, var(--blue2), var(--sky)); }
.oa-list .row.on { grid-template-rows: auto 1fr; background: linear-gradient(90deg, rgba(59,130,246,.07), rgba(6,182,212,.04)); }
.oa-list .row.on::before { opacity: 1; transform: scaleY(1); }
.oa-list .row.on .n { color: var(--blue); }
.oa-list .row.on .t { color: var(--ink); font-weight: 600; }
.oa-list .row.on .d { opacity: 1; padding: 4px 0 8px; }
.oa-list .row.on .bar { margin-top: 4px; }
@keyframes oaProg { from { width: 0 } to { width: 100% } }
.paused .oa-list .row .bar { animation-play-state: paused !important; }

/* ---- feature tiles ---- */
.oa-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 15px; margin-top: 38px; }
.oa-t { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 19px 18px 21px; box-shadow: var(--shadow-card); transition: transform .2s, box-shadow .2s, border-color .2s, opacity .8s ease; }
.oa-t:hover { transform: translateY(-4px); border-color: #c7dbff; box-shadow: var(--shadow-deep); }
.oa-t .ic { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; color: var(--blue);
  background: linear-gradient(140deg, #eaf1ff, #e4f6ff); box-shadow: 0 0 0 1px #e3edfd inset; transition: transform .2s; }
.oa-t:hover .ic { transform: scale(1.08); }
.oa-t h4 { margin-top: 13px; font-size: .96rem; font-weight: 600; letter-spacing: -.01em; }
.oa-t p { margin-top: 7px; font-size: .85rem; line-height: 1.6; color: var(--body); }

/* ---- download block (app icon above every QR) ---- */
.oa-get { position: relative; overflow: hidden; margin-top: 40px; border-radius: 24px; padding: 34px 38px; color: #fff;
  background:
    radial-gradient(700px 340px at 90% -20%, rgba(96,165,250,.35), transparent 60%),
    radial-gradient(520px 300px at 0% 120%, rgba(6,182,212,.25), transparent 55%),
    linear-gradient(150deg, #0a1c4d, #123a86 62%, #0d2a63);
  display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 38px; align-items: center;
  box-shadow: var(--shadow-deep), 0 0 0 1px rgba(255,255,255,.08) inset; }
.oa-get h3 { font-size: 1.4rem; font-weight: 300; letter-spacing: -.02em; }
.oa-get h3 b { font-weight: 700; }
.oa-get p { margin-top: 9px; color: #c3d3f5; font-size: .93rem; line-height: 1.65; max-width: 54ch; }
.oa-get .oa-store { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.22); box-shadow: none; }
.oa-get .oa-store:hover { background: rgba(255,255,255,.14); border-color: rgba(160,195,255,.55); }
.oa-qrs { display: flex; gap: 16px; }
.oa-qr { text-align: center; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16); border-radius: 18px; padding: 14px 16px 12px; }
.oa-qr img { width: 104px; height: 104px; border-radius: 12px; background: #fff; padding: 7px; }
.oa-qr .qic { display: block; width: 36px; height: 36px; border-radius: 10px; padding: 0; background: none; margin: 0 auto 9px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.3), 0 8px 18px -8px rgba(0,0,0,.5); }
.oa-qr b { display: block; margin-top: 8px; font-size: .75rem; font-weight: 600; color: #dbe6ff; }
.oa-qr span { display: block; font-size: .66rem; color: #93a9dd; }

@media (max-width: 1080px) {
  /* minmax(0,1fr), never bare 1fr — an image's intrinsic width must never
     blow the column past the viewport */
  .oa-hgrid { grid-template-columns: minmax(0,1fr); gap: 34px; }
  .oa-himg { max-width: 540px; margin: 0 auto; }
  .oa-show { grid-template-columns: minmax(0,1fr); gap: 26px; }
  .oa-show.rev .oa-stage { order: 0; }
  .oa-get { grid-template-columns: minmax(0,1fr); gap: 26px; }
}
@media (max-width: 720px) {
  .oa-hero { padding: 36px 0 48px; }
  section.band.tight { padding: 44px 0; }
  .oa-stage { min-height: 0; padding: 26px 0; border-radius: 22px; }
  .oa-poster.mid { height: auto; width: min(66vw, 330px); }
  .oa-poster.side { height: 74%; }
  .oa-poster.side.l { left: -30vw; }
  .oa-poster.side.r { right: -30vw; }
  .oa-nav { width: 42px; height: 42px; }
  .oa-nav.p { left: 10px; } .oa-nav.n { right: 10px; }
  .oa-count { bottom: 10px; right: 12px; }
  .oa-id .mark { width: 56px; height: 56px; border-radius: 15px; }
  .oa-stores { gap: 10px; }
  .oa-store { min-width: 0; flex: 1; padding: 13px 14px 12px; }
  .oa-store .ai { width: 44px; height: 44px; }
  /* founder's law: mobile stays TWO COLUMNS — dense, never a long stack */
  .oa-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 11px; }
  .oa-t { padding: 14px 12px 16px; border-radius: 14px; }
  .oa-t .ic { width: 34px; height: 34px; border-radius: 10px; }
  .oa-t .ic svg { width: 18px; height: 18px; }
  .oa-t h4 { font-size: .86rem; margin-top: 10px; }
  .oa-t p { font-size: .77rem; line-height: 1.5; }
  .oa-get { padding: 22px 18px; border-radius: 18px; }
  .oa-qrs { justify-content: center; }
  .oa-qr img { width: 92px; height: 92px; }
  .oa-qr .qic { width: 32px; height: 32px; }
  .split img { border-radius: 16px; }
}