/* SyncStream site. Cinematic, single dark theme (the film's look): navy black, the app's
   violet → indigo → cyan gradient, the icon's orange only on the play affordances.
   No external fonts or CDNs: both are unreliable from mainland China. */

:root {
  --bg: #05070c;
  --bg-2: #0a0f1c;
  --surface: #0f1626;
  --line: rgba(241, 245, 249, 0.09);
  --text: #f1f5f9;
  --text-2: rgba(241, 245, 249, 0.68);
  --text-3: rgba(241, 245, 249, 0.42);
  --violet: #a78bfa;
  --indigo: #818cf8;
  --cyan: #22d3ee;
  --orange: #ff8a1f;
  --pink: #fb7299;
  --grad: linear-gradient(100deg, var(--violet), var(--indigo) 45%, var(--cyan));
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --radius: 20px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --gutter: clamp(16px, 5vw, 64px);
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font: 16px/1.75 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3 { text-wrap: balance; line-height: 1.2; word-break: keep-all; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 8px; }

.grain {
  position: fixed; inset: -50%; pointer-events: none; z-index: 60; opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  display: flex; align-items: center; gap: 24px;
  padding: calc(env(safe-area-inset-top, 0px) + 14px) var(--gutter) 14px;
  background: linear-gradient(rgba(5, 7, 12, 0.75), rgba(5, 7, 12, 0));
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.02em; }
.brand img { border-radius: 7px; }
.nav-links { display: flex; gap: 22px; margin-left: auto; color: var(--text-2); font-size: 15px; }
.nav-links a:hover { color: var(--text); }

.apple-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 22px; border-radius: 12px;
  background: #fff; color: #000; font-weight: 600; font-size: 16px;
}
.apple-btn.small { height: 36px; padding: 0 14px; border-radius: 10px; font-size: 14px; }
.apple-logo { width: 14px; height: 17px; background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 814 1000'%3E%3Cpath d='M788 340c-6 4-108 62-108 190 0 148 130 200 134 202-1 3-21 72-69 142-43 62-88 124-156 124s-86-40-165-40c-77 0-104 41-166 41s-106-58-156-128C44 789-3 660-3 537c0-197 128-301 254-301 67 0 123 44 165 44 40 0 102-47 178-47 29 0 133 3 194 107zM554 157c31-37 53-88 53-139 0-7-1-14-2-20-50 2-110 34-146 76-28 32-55 83-55 135 0 8 1 16 2 18 3 1 9 2 14 2 45 0 102-30 134-72z'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 814 1000'%3E%3Cpath d='M788 340c-6 4-108 62-108 190 0 148 130 200 134 202-1 3-21 72-69 142-43 62-88 124-156 124s-86-40-165-40c-77 0-104 41-166 41s-106-58-156-128C44 789-3 660-3 537c0-197 128-301 254-301 67 0 123 44 165 44 40 0 102-47 178-47 29 0 133 3 194 107zM554 157c31-37 53-88 53-139 0-7-1-14-2-20-50 2-110 34-146 76-28 32-55 83-55 135 0 8 1 16 2 18 3 1 9 2 14 2 45 0 102-30 134-72z'/%3E%3C/svg%3E") center / contain no-repeat; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding: 0 28px; border-radius: 999px; font-weight: 600; font-size: 16px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s;
}
.btn.primary { background: var(--grad); color: #fff; box-shadow: 0 10px 40px rgba(129, 140, 248, 0.35); }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 16px 50px rgba(34, 211, 238, 0.35); }
.btn.ghost { border: 1px solid rgba(255, 255, 255, 0.28); background: rgba(255, 255, 255, 0.06); backdrop-filter: blur(8px); }
.btn.ghost:hover { background: rgba(255, 255, 255, 0.12); }
.btn.block { display: flex; width: 100%; }
.btn.disabled { background: rgba(255, 255, 255, 0.06); color: var(--text-3); border: 1px solid var(--line); cursor: default; }

/* ---------- hero ---------- */
/* hero = the film's 11–15 s: flash, flare, logo lands in the light ring; scrolling zooms
   through the logo and an iris opens onto the next shot. --p (0→1) is set by site.js. */
.hero { position: relative; height: 240vh; padding-inline: 0; }
.stage { position: sticky; top: 0; height: 100svh; overflow: hidden; isolation: isolate; --p: 0; --r: 0px; --cx: 50%; --cy: 40%; }
.behind { position: absolute; inset: 0; z-index: 0; background: #000; }
.behind video { width: 100%; height: 100%; object-fit: cover; opacity: 0.9; }
.behind::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5, 7, 12, 0.85), rgba(5, 7, 12, 0.2) 55%, rgba(5, 7, 12, 0)); }
.behind-copy { position: absolute; z-index: 1; left: var(--gutter); bottom: 12vh; max-width: 30em; }
.behind-copy h2 { margin-top: 10px; font-size: clamp(26px, 3.2vw, 42px); font-weight: 800; letter-spacing: 0.03em; }
.behind-copy p:last-child { margin-top: 14px; color: var(--text-2); }
.intro { position: absolute; inset: 0; z-index: 1; display: grid; place-items: center;
  background: radial-gradient(ellipse at 50% 38%, #10183a 0%, #070a16 55%, var(--bg) 100%);
  -webkit-mask-image: radial-gradient(circle at var(--cx) var(--cy), transparent var(--r), #000 calc(var(--r) + 1px));
          mask-image: radial-gradient(circle at var(--cx) var(--cy), transparent var(--r), #000 calc(var(--r) + 1px)); }
.intro > .city { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; filter: brightness(0.55) saturate(0.9); }
.intro::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse 60% 50% at 50% 45%, rgba(5, 7, 12, 0.35), rgba(5, 7, 12, 0) 70%),
              linear-gradient(rgba(5, 7, 12, 0.45), rgba(5, 7, 12, 0) 30%, rgba(5, 7, 12, 0) 60%, var(--bg)); }
.flare { position: absolute; left: 0; top: var(--cy); width: 70vw; height: 3px; translate: -100% -50%; z-index: 3; pointer-events: none; border-radius: 3px;
  background: linear-gradient(90deg, transparent, rgba(167, 139, 250, 0.7) 25%, #fff 50%, rgba(34, 211, 238, 0.8) 75%, transparent);
  box-shadow: 0 0 18px 4px rgba(34, 211, 238, 0.6), 0 0 60px 10px rgba(129, 140, 248, 0.35); animation: sweep 1.4s 0.2s cubic-bezier(0.5, 0, 0.3, 1) both; }
@keyframes sweep { from { transform: translateX(0); opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } to { transform: translateX(200vw); opacity: 0; } }
.flash { position: absolute; inset: 0; z-index: 4; pointer-events: none; background: radial-gradient(circle at 50% 40%, #fff, rgba(34, 211, 238, 0.6) 30%, transparent 70%); animation: flash 1.1s ease-out both; }
@keyframes flash { 0% { opacity: 0; } 12% { opacity: 1; } 100% { opacity: 0; } }
.iris-edge { position: absolute; z-index: 2; left: var(--cx); top: var(--cy); width: calc(var(--r) * 2); height: calc(var(--r) * 2); translate: -50% -50%; border-radius: 50%;
  border: 3px solid rgba(34, 211, 238, 0.9); box-shadow: 0 0 40px rgba(34, 211, 238, 0.7), inset 0 0 40px rgba(34, 211, 238, 0.5); opacity: var(--edge, 0); pointer-events: none; }
.hero-inner { position: relative; z-index: 2; text-align: center; padding: 90px var(--gutter) 60px; display: flex; flex-direction: column; align-items: center; }
.hero-inner > :not(.mark) { opacity: calc(1 - var(--p) * 3.2); }
/* the film's logo: arrows spin in around a still play triangle, then the mark breathes */
.mark { position: relative; width: 150px; height: 150px; display: grid; place-items: center; animation: land 1.2s 0.15s cubic-bezier(0.34, 1.4, 0.64, 1) both;
  transform: scale(calc(1 + var(--p) * var(--p) * 16)); }
.mark svg { position: relative; z-index: 1; }
.ring-video { opacity: calc(1 - var(--p) * 6); transition: opacity 1.4s ease; position: absolute; left: 50%; top: 50%; width: 500px; max-width: none; translate: -50% -50%; z-index: 0; mix-blend-mode: screen;
  -webkit-mask-image: radial-gradient(circle, #000 34%, transparent 62%); mask-image: radial-gradient(circle, #000 34%, transparent 62%); }
.ring-video.gone { opacity: 0; }
@keyframes land { from { opacity: 0; transform: scale(0.55); } }
.mark svg { width: 100%; height: 100%; overflow: visible; filter: drop-shadow(0 0 22px rgba(34, 211, 238, 0.45)); }
.hero h1.wordmark { margin-top: 30px; font-size: clamp(44px, 6.4vw, 88px); font-weight: 800; letter-spacing: -0.01em; line-height: 1.05; color: #fff;
  text-shadow: 0 0 60px rgba(129, 140, 248, 0.22); animation: track 1.6s 0.45s var(--ease) both; }
@keyframes track { from { opacity: 0; letter-spacing: 0.4em; filter: blur(8px); } }
.slogan { margin-top: 16px; font-size: clamp(22px, 2.8vw, 34px); font-weight: 700; letter-spacing: 0.22em;
  background: linear-gradient(100deg, #c4b5fd, var(--indigo) 45%, var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 2px 14px rgba(0, 0, 0, 0.8)); animation: rise 1.3s 0.8s var(--ease) both; }
.platforms { margin-top: 22px; font-size: 13px; letter-spacing: 0.28em; color: var(--text-3); animation: rise 1.3s 0.6s var(--ease) both; }
.nw { display: inline-block; white-space: nowrap; }
.lede { margin-top: 18px; font-size: clamp(16px, 1.8vw, 19px); color: rgba(241, 245, 249, 0.88); font-weight: 500; text-shadow: 0 2px 16px rgba(0, 0, 0, 0.8); animation: rise 1.3s 0.35s var(--ease) both; }
.cta { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; animation: rise 1.3s 0.5s var(--ease) both; }
.scroll-hint { position: absolute; z-index: 3; opacity: calc(1 - var(--p) * 5); bottom: 24px; left: 50%; translate: -50% 0; font-size: 28px; color: var(--text-3); animation: bob 2.4s ease-in-out infinite; }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } }
@keyframes bob { 50% { transform: translateY(8px); } }
br.m { display: none; }

/* ---------- shared ---------- */
section { padding-inline: var(--gutter); }
.cinema { position: relative; border-radius: var(--radius); overflow: hidden; background: #000; aspect-ratio: 16 / 9;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.08), 0 0 80px rgba(129, 140, 248, 0.12); }
.cinema video { width: 100%; height: 100%; object-fit: cover; }
.kicker { font-size: 13px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--cyan); font-weight: 600; }
.kicker.pink { color: var(--pink); }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-title { font-size: clamp(28px, 3.8vw, 46px); font-weight: 800; letter-spacing: 0.04em; text-align: center; }
.section-sub { margin: 18px auto 0; max-width: 40em; text-align: center; color: var(--text-2); }
.hint { color: var(--text-2); font-size: 14px; line-height: 1.7; }

/* reveal: visible at rest; JS adds .armed, then .in when scrolled into view */
.reveal.armed { opacity: 0; transform: translateY(40px) scale(0.985); transition: opacity 1s var(--ease), transform 1.2s var(--ease); }
.reveal.armed.in { opacity: 1; transform: none; }

/* ---------- story ---------- */
.story { max-width: 1180px; margin: 0 auto; padding-block: 120px 80px; display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr); gap: 48px; align-items: center; }
.story-chat { display: flex; flex-direction: column; gap: 12px; }
.chat { max-width: min(22em, 88%); padding: 12px 18px; border-radius: 20px; font-size: 17px; background: rgba(255, 255, 255, 0.08); border: 1px solid var(--line); }
.chat b { display: block; font-size: 12px; font-weight: 500; color: var(--text-3); letter-spacing: 0.08em; }
.chat.right { align-self: flex-end; background: var(--indigo); border-color: transparent; }
.chat.right b { color: rgba(255, 255, 255, 0.7); }
.aside { align-self: flex-end; color: var(--text-3); font-style: italic; font-size: 14px; }
.punch { grid-column: 1 / -1; text-align: center; margin-top: 40px; font-size: clamp(28px, 4.2vw, 54px); font-weight: 800; letter-spacing: 0.04em; }

/* ---------- features ---------- */
.features { max-width: 1280px; margin: 0 auto; padding-block: 60px; display: flex; flex-direction: column; gap: clamp(80px, 12vw, 160px); }
.feature { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.feature.flip { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); }
.feature.flip .cinema { order: 2; }
.feature-copy h3 { margin-top: 12px; font-size: clamp(24px, 2.8vw, 36px); font-weight: 800; letter-spacing: 0.03em; }
.feature-copy p:last-child { margin-top: 18px; color: var(--text-2); font-size: 17px; }

/* ---------- film ---------- */
.film { padding-block: 120px; max-width: 1180px; margin: 0 auto; }
.film-poster { position: relative; display: block; width: 100%; border-radius: var(--radius); overflow: hidden; aspect-ratio: 16 / 9;
  box-shadow: 0 50px 140px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 255, 255, 0.1); }
.film-poster img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease), filter 0.6s; filter: brightness(0.7); }
.film-poster:hover img { transform: scale(1.03); filter: brightness(0.85); }
.play { position: absolute; left: 50%; top: 50%; translate: -50% -50%; width: 96px; height: 96px; border-radius: 50%;
  display: grid; place-items: center; padding-left: 6px; font-size: 34px; color: #fff;
  background: linear-gradient(135deg, #ffa033, #e0700f); box-shadow: 0 0 0 10px rgba(255, 138, 31, 0.18), 0 20px 60px rgba(255, 138, 31, 0.45); }
.film-label { position: absolute; left: 0; right: 0; bottom: 22px; text-align: center; font-size: 15px; letter-spacing: 0.12em; color: var(--text-2); }

.film-dialog { margin: auto; width: min(1200px, 94vw); max-height: 94vh; border: 0; border-radius: 18px; background: #000; color: var(--text); overflow: visible; }
.film-dialog::backdrop { background: rgba(0, 0, 0, 0.85); backdrop-filter: blur(6px); }
.film-dialog video { width: 100%; max-height: 90vh; border-radius: 18px; background: #000; }
.film-dialog .close { position: absolute; top: -44px; right: 0; width: 36px; height: 36px; border-radius: 50%; background: rgba(255, 255, 255, 0.14); }
.film-dialog.vertical { width: min(440px, 92vw); }

/* ---------- download ---------- */
.download { padding-block: 100px; max-width: 1180px; margin: 0 auto; }
.cards { margin-top: 48px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.card { display: flex; flex-direction: column; gap: 14px; padding: 28px; border-radius: var(--radius); background: linear-gradient(180deg, var(--surface), var(--bg-2)); border: 1px solid var(--line); min-width: 0; }
.card h3 { font-size: 26px; font-weight: 800; }
.card .art { height: 184px; display: grid; place-items: center; }
.card .art img { border-radius: 28px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5); }
.card .qr { border-radius: 14px; background: #fff; padding: 10px; }
.card .hint { flex: 1; }
.card .link { font-size: 13px; color: var(--text-3); text-align: center; word-break: break-all; }
.card.soon { opacity: 0.85; }
  background: linear-gradient(160deg, #1d9bf6, #1667e0); color: #fff; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5); }

/* ---------- membership ---------- */
.member { padding-block: 100px 120px; max-width: 1180px; margin: 0 auto; }
.tag { display: inline-block; vertical-align: middle; margin-left: 10px; padding: 4px 12px; border-radius: 999px; font-size: 14px; font-weight: 600; letter-spacing: 0.08em; color: var(--orange); border: 1px solid rgba(255, 138, 31, 0.5); }
.tiers { margin-top: 48px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.tier { padding: 26px 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); min-width: 0; }
.tier-name { color: var(--text-2); font-size: 14px; letter-spacing: 0.1em; }
.tier-size { margin-top: 6px; font-size: 34px; font-weight: 800; font-variant-numeric: tabular-nums; }
.tier-size .per { font-size: 16px; font-weight: 600; color: var(--text-2); }
.tier-year { margin-top: 2px; font-size: 14px; color: var(--text-2); font-variant-numeric: tabular-nums; }
.tier ul { margin-top: 16px; list-style: none; display: flex; flex-direction: column; gap: 8px; color: var(--text-2); font-size: 14px; }
.tier li::before { content: "✓"; color: var(--cyan); margin-right: 8px; }
.perks { margin-top: 24px; padding: 28px; border-radius: var(--radius); background: linear-gradient(180deg, rgba(34, 211, 238, 0.06), rgba(129, 140, 248, 0.04)); border: 1px solid rgba(34, 211, 238, 0.25); }
.perks-title { font-weight: 700; letter-spacing: 0.12em; color: var(--cyan); font-size: 14px; }
.perks ul { margin-top: 16px; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 32px; }
.perks li { color: var(--text-2); font-size: 15px; min-width: 0; }
.perks li b { display: block; color: var(--text); font-size: 17px; margin-bottom: 2px; }
@media (max-width: 640px) { .perks ul { grid-template-columns: 1fr; } }
.tier { display: flex; flex-direction: column; }
.tier .buy { margin-top: auto; }
.tier ul { margin-bottom: 22px; }
.tier.current { border-color: var(--orange); box-shadow: 0 0 60px rgba(255, 138, 31, 0.18); position: relative; }
.tier.current::after { content: "当前"; position: absolute; top: 14px; right: 14px; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; color: #fff; background: var(--orange); }
.btn.small { height: 40px; padding: 0 18px; font-size: 14px; }
.me-chip { display: inline-flex; align-items: center; gap: 8px; margin-left: 4px; padding: 4px 12px 4px 4px; border-radius: 999px; background: rgba(255, 255, 255, 0.08); border: 1px solid var(--line); font-size: 14px; font-weight: 600; }
.me-chip img { border-radius: 50%; }
.me-chip:not(:has(img:not([hidden]))) { padding-left: 12px; }
.me-card { display: flex; align-items: center; gap: 16px; justify-content: center; text-align: left; flex-wrap: wrap; }
.me-avatar { border-radius: 50%; }
.me-name { font-size: 18px; font-weight: 700; }
.me-status { color: var(--text-2); font-size: 15px; }
[data-signin-error] { margin-top: 12px; color: var(--orange); }
[data-signed-out] { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.account { margin-top: 56px; display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; color: var(--text-2); }

/* ---------- footer ---------- */
.footer { padding: 40px var(--gutter) calc(env(safe-area-inset-bottom, 0px) + 40px); border-top: 1px solid var(--line); text-align: center; color: var(--text-3); font-size: 13px; display: flex; flex-direction: column; gap: 6px; }
.footer a:hover { color: var(--text); }
.star { color: var(--orange); font-weight: 700; margin-left: 2px; }
.footer .note { color: var(--text-2); font-size: 14px; margin-bottom: 8px; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .story { grid-template-columns: 1fr; }
  .feature, .feature.flip { grid-template-columns: 1fr; }
  .feature.flip .cinema { order: 0; }
  .cards { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .tiers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .nav { gap: 12px; }
  .nav-links { display: none; }
  .apple-btn.small { margin-left: auto; }
  .me-chip { margin-left: auto; }
  br.m { display: inline; }
  .slogan .c { display: none; }
  .behind-copy h2 { font-size: 21px; }
  .behind-copy { right: var(--gutter); bottom: 8vh; }
  .behind::after { background: linear-gradient(0deg, rgba(5, 7, 12, 0.92), rgba(5, 7, 12, 0.1) 55%); }
  .slogan .nw { display: block; }
  .slogan { letter-spacing: 0.16em; }
  .tiers { grid-template-columns: 1fr; }
  .chat { font-size: 16px; }
  /* phones show the 16:9 shots whole: nothing cut off left or right, the edges fade into the page */
  .intro > .city { inset: auto 0 0; height: auto; object-fit: contain;
    -webkit-mask-image: linear-gradient(transparent, #000 30%); mask-image: linear-gradient(transparent, #000 30%); }
  .mark { width: 76px; height: 76px; }
  .ring-video { width: 100vw;
    -webkit-mask-image: linear-gradient(transparent, #000 25%, #000 75%, transparent); mask-image: linear-gradient(transparent, #000 25%, #000 75%, transparent); }
  .intro > .city { filter: brightness(0.8) saturate(1); }
  .intro::before { background: radial-gradient(ellipse 80% 40% at 50% 40%, rgba(5, 7, 12, 0.35), rgba(5, 7, 12, 0) 70%); }
  .behind { display: flex; flex-direction: column; justify-content: center; gap: 28px; }
  .behind video { height: auto; }
  .behind-copy { position: relative; inset: auto; padding-inline: var(--gutter); }
  .punch { font-size: 26px; }
  .feature-copy h3 { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  .hero { height: auto; }
  .stage { position: relative; height: clamp(620px, 100svh, 1000px); }
  .behind, .iris-edge, .flare, .flash { display: none; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal.armed { opacity: 1; transform: none; }
}

/* ---------- /account/ ---------- */
.account-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.account-page { padding-top: 110px; }
.acct { max-width: 640px; margin: 0 auto; padding-inline: var(--gutter); text-align: center; }
.acct-card { margin-top: 32px; padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: center; gap: 18px; color: var(--text-2); }
.acct-card .me-card { justify-content: flex-start; width: 100%; }
.acct-rows { width: 100%; display: flex; flex-direction: column; gap: 0; text-align: left; }
.acct-rows > div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); }
.acct-rows dt { color: var(--text-2); }
.acct-rows dd { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.acct-card [data-signout] { align-self: flex-end; }
.acct-error { margin-top: 12px; }
.account-page .member { padding-top: 80px; }