/* Layout concept: a pastel, slowly flowing WebGL sea sits behind everything; content floats on it as large glass panes. */
:root {
  --bg: #f6f3fb;
  --ink: #13122b;
  --muted: #55547a;
  --accent: #3636d6;
  --grad-a: #0a0a24;
  --grad-b: #3636d9;
  --glass-fill: rgba(255, 255, 255, .34);
  --glass-fill-2: rgba(255, 255, 255, .12);
  --glass-edge: rgba(255, 255, 255, .8);
  --glass-edge-2: rgba(255, 255, 255, .25);
  --shadow: rgba(48, 44, 140, .16);
  --btn-bg: #14132f;
  --btn-ink: #fff;
  --surf: #7b7b87;
  --font-display: "Cormorant Garamond", "Iowan Old Style", "Songti SC", Georgia, serif;
  --font-wide: "Lexend Zetta", "Helvetica Neue", Arial, sans-serif;
  --font-ui: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Segoe UI", system-ui, sans-serif;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --spring: cubic-bezier(.34, 1.56, .64, 1);
  --gutter: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #07071a; --ink: #f1f0ff; --muted: #a3a2cc; --accent: #8b8cff;
    --grad-a: #f3f2ff; --grad-b: #8b8cff;
    --glass-fill: rgba(255, 255, 255, .09); --glass-fill-2: rgba(255, 255, 255, .03);
    --glass-edge: rgba(255, 255, 255, .28); --glass-edge-2: rgba(255, 255, 255, .06);
    --shadow: rgba(0, 0, 0, .45);
    --btn-bg: #f1f0ff; --btn-ink: #0b0a24; --surf: #8c8ca6;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--font-ui);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }
::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); }

#gl { position: fixed; inset: 0; width: 100%; height: 100lvh; z-index: -1; display: block; }
.no-gl body { background: linear-gradient(160deg, #ffd9c4, #cfd6ff 55%, #f3c6d4) fixed; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding-inline: var(--gutter) var(--gutter-r); }

/* ---------- Liquid glass surface ---------- */
.glass {
  position: relative;
  background:
    radial-gradient(120% 90% at var(--mx, 30%) var(--my, 0%), rgba(255, 255, 255, .38), transparent 55%),
    linear-gradient(135deg, var(--glass-fill), var(--glass-fill-2));
  -webkit-backdrop-filter: blur(26px) saturate(185%);
  backdrop-filter: blur(26px) saturate(185%);
  border: 1px solid var(--glass-edge-2);
  box-shadow:
    inset 0 1px 0 var(--glass-edge),
    inset 0 -1px 0 var(--glass-edge-2),
    inset 1px 0 0 var(--glass-edge-2),
    0 14px 44px -12px var(--shadow);
}
.glass::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(140deg, rgba(255, 255, 255, .9), rgba(255, 255, 255, 0) 32%, rgba(255, 255, 255, 0) 68%, rgba(255, 255, 255, .5));
  padding: 1px;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: .8;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .glass::before { opacity: .45; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 52px; padding: 0 1.7rem; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--btn-bg); color: var(--btn-ink);
  font: 600 1rem/1 var(--font-ui); letter-spacing: -.005em;
  box-shadow: 0 10px 30px -8px var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .25);
  transition: transform .5s var(--spring), box-shadow .3s;
}
.btn:hover { transform: translateY(-2px) scale(1.03); }
.btn:active { transform: scale(.97); }
.btn-ghost { background: none; color: var(--ink); }
.btn-small { min-height: 38px; padding: 0 1.1rem; font-size: .9rem; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; z-index: 50;
  top: calc(12px + env(safe-area-inset-top, 0px));
  left: 50%; transform: translateX(-50%);
  width: min(920px, calc(100% - 24px));
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 8px 8px 8px 14px; border-radius: 999px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; font: italic 600 1.55rem/1 var(--font-display); }
.nav-brand img { border-radius: 8px; }
.nav-links { display: flex; gap: 4px; }
.nav-links a { padding: 8px 14px; border-radius: 999px; font-size: .92rem; color: var(--muted); transition: background .3s, color .3s; }
.nav-links a:hover { color: var(--ink); background: var(--glass-fill); }
.nav-end { display: flex; align-items: center; gap: 8px; }
.lang {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--glass-edge-2); background: var(--glass-fill);
  color: var(--ink); font: 600 .85rem var(--font-ui); cursor: pointer;
}
.menu { display: none; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--glass-edge-2); background: var(--glass-fill); cursor: pointer; position: relative; }
.menu i { position: absolute; left: 11px; right: 11px; height: 1.6px; background: var(--ink); border-radius: 2px; transition: transform .4s var(--ease), top .4s var(--ease); }
.menu i:nth-child(1) { top: 15px; } .menu i:nth-child(2) { top: 22px; }
.menu[aria-expanded="true"] i:nth-child(1) { top: 18.5px; transform: rotate(45deg); }
.menu[aria-expanded="true"] i:nth-child(2) { top: 18.5px; transform: rotate(-45deg); }
.sheet {
  position: absolute; left: 0; right: 0; top: calc(100% + 8px);
  display: none; flex-direction: column; padding: 10px; border-radius: 28px;
  background: var(--glass-fill); -webkit-backdrop-filter: blur(30px) saturate(190%); backdrop-filter: blur(30px) saturate(190%);
  border: 1px solid var(--glass-edge-2); box-shadow: inset 0 1px 0 var(--glass-edge), 0 24px 60px -16px var(--shadow);
  opacity: 0; transform: translateY(-8px) scale(.98); transform-origin: top; pointer-events: none;
  transition: opacity .35s, transform .5s var(--spring);
}
.sheet a { padding: 14px 16px; border-radius: 18px; font-size: 1.05rem; }
.sheet a:active { background: var(--glass-fill); }
@media (max-width: 760px) {
  .nav-links, .nav-end .btn-small { display: none; }
  .menu { display: block; }
  .sheet { display: flex; }
  .nav.open .sheet { opacity: 1; transform: none; pointer-events: auto; }
}

/* ---------- Hero ---------- */
.hero { padding-top: calc(90px + env(safe-area-inset-top, 0px)); overflow: clip; }
.hero-top { min-height: min(84svh, 780px); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 20px; padding-bottom: 24px; }
.wm {
  margin: 0; display: flex; flex-wrap: wrap; justify-content: center; align-items: baseline; gap: .05em .32em;
  font-size: clamp(2.5rem, 11.4vw, 7rem); line-height: 1.15; font-weight: 400;
}
.wm-web, .wm-surf { font: 300 .6em/1 var(--font-wide); letter-spacing: -.03em; }
.wm-web { animation: rise .9s .1s var(--ease) both; }
.wm-surf { position: relative; color: var(--surf); animation: rise .9s .3s var(--ease) both; }
.wm-surf::after {
  content: ""; position: absolute; left: -3%; right: -3%; top: 52%; height: .09em; background: currentColor; border-radius: 2px;
  transform-origin: left; animation: strike .7s 1.1s cubic-bezier(.7, 0, .2, 1) both;
}
.wm-cruise {
  font: italic 500 1.28em/1 var(--font-display); padding-right: .08em;
  background: linear-gradient(100deg, var(--grad-a) 0%, var(--grad-b) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: arrive 1.3s 1.7s var(--ease) both;
}
:lang(zh) .wm-cruise { font-style: italic; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); filter: blur(8px); } }
@keyframes strike { from { transform: scaleX(0); } }
@keyframes arrive { from { opacity: 0; transform: translateX(28px) scale(.96); filter: blur(14px); } }
.tagline { margin: 0; font: 500 clamp(1.25rem, 3.4vw, 1.8rem)/1.3 var(--font-display); color: var(--muted); text-wrap: balance; animation: rise 1s 2.4s var(--ease) both; }
:lang(zh) .tagline, :lang(zh) h2, :lang(zh) .card h3 { font-family: "Noto Serif SC", "Songti SC", var(--font-display); }
.lede { margin: 0; max-width: 34em; color: var(--muted); text-wrap: balance; animation: rise 1s 2.55s var(--ease) both; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 8px; animation: rise 1s 2.7s var(--ease) both; }
.final .cta-row { animation: none; }
.pills { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; animation: rise 1s 2.85s var(--ease) both; }
.pills li { padding: 6px 14px; border-radius: 999px; font-size: .8rem; letter-spacing: .02em; color: var(--muted); border: 1px solid var(--glass-edge-2); background: var(--glass-fill-2); }

.hero-shot { margin-top: 0; padding-bottom: clamp(40px, 8vw, 100px); perspective: 1800px; }
.shot-frame {
  width: min(880px, 100%); margin: 0 auto; position: relative;
  transform-style: preserve-3d;
  transform: rotateX(calc((1 - var(--hp, 0)) * 12deg + var(--tx, 0deg))) rotateY(var(--ty, 0deg)) translateY(calc((1 - var(--hp, 0)) * 30px)) scale(calc(.94 + var(--hp, 0) * .06));
  filter: drop-shadow(0 40px 60px var(--shadow));
  transition: transform .25s ease-out;
}

/* ---------- Feature sections ---------- */
.feature, .native, .final { padding-block: clamp(72px, 12vw, 150px); position: relative; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 90px); align-items: center; }
.grid > * { min-width: 0; }
.grid.rev .copy { order: 2; }
.eyebrow { margin: 0 0 16px; font: 500 .74rem/1 var(--font-ui); letter-spacing: .18em; text-transform: uppercase; color: var(--accent); }
h2 { margin: 0 0 20px; font: 500 clamp(2.4rem, 6vw, 4.3rem)/1.02 var(--font-display); letter-spacing: -.015em; text-wrap: balance; }
h2 em { font-style: italic; font-weight: 500; background: linear-gradient(100deg, var(--grad-a), var(--grad-b)); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .06em; }
:lang(zh) h2 em { font-style: normal; font-weight: 600; }
.copy p { margin: 0 0 18px; color: var(--muted); max-width: 32em; }
.try { color: var(--ink) !important; font-weight: 500; }
.ticks { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 30px; max-width: 30em; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .32em; width: 18px; height: 18px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff, var(--accent) 120%); box-shadow: 0 2px 8px -2px var(--accent);
}
.visual { display: flex; justify-content: center; }

.tall { position: relative; width: min(340px, 78%); transform-style: preserve-3d; transform: perspective(1400px) rotateX(var(--tx, 0deg)) rotateY(var(--ty, 0deg)); transition: transform .25s ease-out; filter: drop-shadow(0 30px 50px var(--shadow)); }
.chip { position: absolute; padding: 10px 16px; border-radius: 999px; font-size: .85rem; white-space: nowrap; animation: float 7s ease-in-out infinite; }
.tall > img { border-radius: 30px; }
.chip.c1 { right: -10%; top: 30%; }
.chip.c2 { left: -14%; bottom: 14%; animation-delay: -3s; }
@keyframes float { 50% { transform: translateY(-10px); } }
@media (max-width: 520px) { .chip.c1 { left: -6%; } .chip.c2 { right: -6%; } }

.inset { margin: 28px 0 0; width: min(300px, 80%); padding: 8px 8px 12px; border-radius: 22px; }
.inset img { border-radius: 14px; width: 100%; }
.inset figcaption { margin: 8px 6px 0; font-size: .8rem; color: var(--muted); }

/* ---------- Mock browser window ---------- */
.mock {
  position: relative; width: 100%; max-width: 560px; aspect-ratio: 1 / 0.9; border-radius: 26px; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: minmax(0, 42%) minmax(0, 1fr);
  box-shadow: 0 40px 80px -24px var(--shadow), 0 0 0 1px var(--glass-edge-2);
}
.wall { position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .9s var(--ease); background-size: cover; }
.wall.on { opacity: 1; }
.wall-desert { background: radial-gradient(60% 40% at 30% 85%, #e7a98a, transparent 70%), radial-gradient(50% 40% at 20% 65%, #f6c188, transparent 70%), linear-gradient(180deg, #f4b9a2 0%, #f8d8c4 38%, #d8b8a8 70%, #c79d8c 100%); }
.wall-dusk { background: radial-gradient(40% 70% at 55% 80%, #b8503c, transparent 70%), linear-gradient(180deg, #5b6a9e 0%, #8f93bd 38%, #d48f73 78%, #6c4147 100%); }
.wall-sea { background: radial-gradient(50% 50% at 70% 85%, #bfe4d2, transparent 70%), linear-gradient(180deg, #1d3c63 0%, #3d7a8c 50%, #a5d3c4 100%); }
.mock-side {
  margin: 10px; padding: 12px; border-radius: 20px; display: flex; flex-direction: column; gap: 10px; min-width: 0; font-size: .8rem; color: #1b1a33;
  background: linear-gradient(150deg, rgba(255, 255, 255, .4), rgba(255, 255, 255, .16));
  -webkit-backdrop-filter: blur(22px) saturate(170%); backdrop-filter: blur(22px) saturate(170%);
  border: 1px solid rgba(255, 255, 255, .35); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
}
.lights { display: flex; align-items: center; gap: 6px; }
.lights i { width: 10px; height: 10px; border-radius: 50%; }
.lights i:nth-child(1) { background: #ff5f57; } .lights i:nth-child(2) { background: #febc2e; } .lights i:nth-child(3) { background: #28c840; }
.lights b { margin-left: 4px; font-weight: 600; opacity: .7; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.addr { padding: 9px 12px; border-radius: 12px; background: rgba(255, 255, 255, .45); border: 1px solid rgba(255, 255, 255, .5); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; opacity: .85; }
.pinned { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; min-height: 0; }
.pinned:empty { display: none; }
.tile {
  aspect-ratio: 1.25; border-radius: 12px; border: 1px solid rgba(255, 255, 255, .3); background: rgba(255, 255, 255, .22);
  display: grid; place-items: center; cursor: pointer; padding: 0; transition: background .3s, transform .5s var(--spring);
}
.tile:hover { background: rgba(255, 255, 255, .5); transform: scale(1.05); }
.tile:active { transform: scale(.94); }
.tabs { display: flex; flex-direction: column; gap: 2px; margin: 0; padding: 0; list-style: none; min-height: 0; }
.tab { display: flex; align-items: center; gap: 8px; padding: 7px 6px 7px 8px; border-radius: 11px; min-width: 0; }
.tab span.t { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tab.act { background: rgba(255, 255, 255, .5); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8); font-weight: 600; }
.tab.new { opacity: .55; }
.pin { width: 26px; height: 26px; flex: none; display: grid; place-items: center; border: 0; border-radius: 50%; background: transparent; color: inherit; opacity: .45; cursor: pointer; transition: opacity .2s, background .2s, transform .4s var(--spring); }
.tab:hover .pin, .pin:focus-visible { opacity: 1; background: rgba(255, 255, 255, .55); }
.pin:active { transform: scale(.85) rotate(-20deg); }
.glyph { width: 20px; height: 20px; flex: none; border-radius: 6px; display: grid; place-items: center; font: 700 .7rem/1 var(--font-ui); color: #fff; }
.tile .glyph { width: 28px; height: 28px; border-radius: 8px; font-size: .9rem; }
.hint-empty { padding: 10px 4px; opacity: .6; font-size: .75rem; }
.mock-page { margin: 10px 10px 10px 0; border-radius: 16px; background: #fff; display: grid; place-content: center; text-align: center; gap: 6px; padding: 12px; min-width: 0; color: #232338; box-shadow: 0 8px 24px -10px rgba(0, 0, 0, .3); }
.mock-page .logo { font: italic 600 clamp(1.8rem, 6vw, 2.9rem)/1 var(--font-display); background: linear-gradient(100deg, #05051a, #3636d9); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .06em; }
.mock-page .hi { font: 700 clamp(.95rem, 2.6vw, 1.2rem) var(--font-ui); }
.mock-page .mini { font-size: .66rem; color: #777; }
.flip { will-change: transform; }
.swap > * { animation: swap .55s var(--ease) both; }
@keyframes swap { from { opacity: 0; transform: translateY(8px) scale(.98); filter: blur(4px); } }
.badge { display: inline-flex; align-self: center; gap: 6px; margin-top: 6px; padding: 4px 10px; font-size: .62rem; border-radius: 999px; background: #f1f1fb; color: #3a3a7a; }

@media (max-width: 859px) {
  .mock { aspect-ratio: 1 / 1.02; max-width: 520px; }
  .mock-side { padding: 10px; font-size: .74rem; }
}

/* ---------- Search demo ---------- */
.sfind { position: relative; width: 100%; max-width: 560px; border-radius: 26px; overflow: hidden; isolation: isolate; padding: clamp(18px, 5vw, 36px) clamp(12px, 4vw, 28px); min-height: 400px; box-shadow: 0 40px 80px -24px var(--shadow), 0 0 0 1px var(--glass-edge-2); }
.sfind .wall { opacity: 1; }
.sbar { display: flex; align-items: center; gap: 10px; padding: 0 12px 0 16px; height: 54px; border-radius: 999px; color: #1b1a33; background: linear-gradient(135deg, rgba(255, 255, 255, .55), rgba(255, 255, 255, .3)); }
.sbar input { flex: 1; min-width: 0; height: 100%; border: 0; outline: 0; background: transparent; font: 500 1rem var(--font-ui); color: #10102a; }
.sbar input::placeholder { color: rgba(16, 16, 42, .55); }
.sbar:focus-within { box-shadow: inset 0 1px 0 #fff, 0 0 0 3px rgba(255, 255, 255, .55), 0 14px 44px -12px var(--shadow); }
.sbar kbd { font: 600 .72rem var(--font-ui); padding: 4px 8px; border-radius: 8px; background: rgba(255, 255, 255, .5); color: #3a3a5a; }
.results { list-style: none; margin: 12px 0 0; padding: 8px; border-radius: 26px; display: grid; gap: 2px; color: #14132b; background: linear-gradient(135deg, rgba(255, 255, 255, .52), rgba(255, 255, 255, .28)); }
.results li { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border-radius: 18px; min-width: 0; animation: swap .4s var(--ease) both; cursor: pointer; }
.results li:first-child { background: rgba(255, 255, 255, .55); box-shadow: inset 0 1px 0 #fff; }
.results li:hover { background: rgba(255, 255, 255, .45); }
.results .ic { width: 30px; height: 30px; flex: none; border-radius: 9px; display: grid; place-items: center; color: #fff; background: #3636d6; }
.results .tx { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 500; }
.results .tx b { font-weight: 700; }
.results .kd { font-size: .72rem; opacity: .65; white-space: nowrap; }
.results .go { opacity: 0; font-size: .8rem; }
.results li:first-child .go { opacity: .6; }

/* ---------- Profiles ---------- */
.seg { display: inline-flex; padding: 5px; border-radius: 999px; margin: 8px 0 0; gap: 2px; position: relative; max-width: 100%; }
.seg button { position: relative; z-index: 1; border: 0; background: transparent; color: var(--muted); padding: 10px 20px; border-radius: 999px; font: 600 .92rem var(--font-ui); cursor: pointer; transition: color .3s; }
.seg button[aria-selected="true"] { color: var(--ink); }
.seg .thumb { position: absolute; z-index: 0; top: 5px; bottom: 5px; left: 0; width: 0; border-radius: 999px; background: linear-gradient(135deg, rgba(255, 255, 255, .85), rgba(255, 255, 255, .45)); box-shadow: 0 4px 14px -4px var(--shadow), inset 0 1px 0 #fff; transition: transform .6s var(--spring), width .6s var(--spring); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .seg .thumb { background: linear-gradient(135deg, rgba(255, 255, 255, .3), rgba(255, 255, 255, .12)); } }

/* ---------- Native cards ---------- */
.center { text-align: center; }
.center h2 { max-width: 14em; margin-inline: auto; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: clamp(32px, 6vw, 64px); }
.card { padding: clamp(24px, 3vw, 36px); border-radius: 32px; transition: transform .7s var(--spring); }
.card:hover { transform: translateY(-6px); }
.card h3 { margin: 0 0 10px; font: 600 1.7rem/1.1 var(--font-display); }
.card p { margin: 0; color: var(--muted); }
@media (max-width: 859px) {
  .grid, .cards { grid-template-columns: minmax(0, 1fr); }
  .grid.rev .copy { order: 0; }
  .grid { gap: 40px; }
}

/* ---------- Final + footer ---------- */
.final .wrap { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.final-logo { width: min(520px, 90%); mix-blend-mode: multiply; margin-block: -6%; }
.final .tagline { animation: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .final-logo { mix-blend-mode: screen; filter: invert(1) hue-rotate(180deg); } }
.foot { padding-block: 28px calc(28px + env(safe-area-inset-bottom, 0px)); font-size: .85rem; color: var(--muted); }
.foot-in { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-top: 1px solid var(--glass-edge-2); padding-top: 24px; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.cards .card:nth-child(2) { transition-delay: .08s; } .cards .card:nth-child(3) { transition-delay: .16s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .wm-surf::after { transform: none; }
}