/* =========================================================
   Water — a descent. Dark, deepening, editorial.
   ========================================================= */
:root {
  --bg: #071820;
  --bg-deep: #020709;
  --surface: rgba(255, 255, 255, .035);
  --surface-2: rgba(255, 255, 255, .06);
  --line: rgba(220, 240, 242, .12);
  --line-2: rgba(220, 240, 242, .22);
  --text: #eaf3f3;
  --muted: #93a9ad;
  --faint: #5d7378;
  --aqua: #8fe3e0;
  --aqua-2: #4fb6b9;
  --sea: #1d6f7a;
  --deep: #0e3a46;
  --ice: #cfeef0;

  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --gutter: clamp(16px, 4vw, 64px);
  --max: 1400px;
  --r: 20px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-io: cubic-bezier(.76, 0, .24, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--bg-deep); }
html:not(.motion) { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  transition: background-color .2s linear;
}
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
a { color: inherit; }
button { font: inherit; color: inherit; }
h1, h2, p, dl, dd, ol, ul { margin: 0; }
ul, ol { padding: 0; list-style: none; }
em { font-style: italic; }
::selection { background: var(--aqua); color: var(--bg-deep); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
:focus-visible { outline: 2px solid var(--aqua); outline-offset: 4px; border-radius: 8px; }

.skip {
  position: fixed; left: 16px; top: 16px; z-index: 200;
  padding: 10px 16px; border-radius: 999px;
  background: var(--aqua); color: var(--bg-deep); text-decoration: none; font-weight: 500;
  transform: translateY(-160%); transition: transform .2s var(--ease);
}
.skip:focus { transform: none; }

/* grain */
.grain {
  position: fixed; inset: 0; z-index: 90; pointer-events: none; opacity: .07; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- type ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font: 500 12px/1 var(--mono);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--aqua);
  margin-bottom: 28px;
}
.eyebrow .num {
  display: inline-grid; place-items: center;
  min-width: 34px; height: 22px; padding: 0 8px; border-radius: 999px;
  border: 1px solid rgba(143, 227, 224, .35); color: var(--aqua);
}
.h2 {
  font: 400 clamp(44px, 6.2vw, 104px)/.98 var(--serif);
  letter-spacing: -.025em;
  max-width: 13ch;
  text-wrap: balance;
}
.h2 em, .hero__title em, .ocean__title em, .access__num em {
  color: var(--aqua);
  background: linear-gradient(100deg, var(--aqua) 0%, #d9fbf9 45%, var(--aqua-2) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  padding-right: .06em;
}
.body { font-size: 17px; line-height: 1.7; color: var(--muted); max-width: 44ch; text-wrap: pretty; font-weight: 300; }
.lead { font: 400 clamp(30px, 3.4vw, 52px)/1.08 var(--serif); letter-spacing: -.015em; max-width: 18ch; margin-bottom: 28px; text-wrap: balance; }

/* split words (built by JS) */
.w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .12em; margin-bottom: -.12em; }
.wi { display: inline-block; will-change: transform; }
.motion .wi { transform: translateY(110%); }
.motion [data-reveal] { opacity: 0; transform: translateY(28px); }

/* ---------- loader ---------- */
.loader { display: none; }
.motion .loader {
  position: fixed; inset: 0; z-index: 150; display: grid; place-items: center;
  background: #020709; color: var(--aqua);
}
.motion .loader { clip-path: inset(0 0 0 0); transition: clip-path 1s var(--ease-io); }
.motion .loader.is-out { clip-path: inset(0 0 100% 0); }
.loader__stage { position: relative; width: 220px; height: 220px; display: grid; place-items: center; }
.loader__drop { position: absolute; top: 0; width: 28px; height: 28px; fill: var(--aqua); opacity: 0; }
.loader__line { position: absolute; top: 150px; left: 0; right: 0; height: 1px; background: rgba(143, 227, 224, .5); transform: scaleX(0); }
.loader__ring {
  position: absolute; top: 150px; left: 50%; width: 220px; height: 44px; margin: -22px 0 0 -110px;
  border: 1px solid var(--aqua); border-radius: 50%; opacity: 0; transform: scale(.05);
}
.loader__count { position: absolute; bottom: 40px; left: 0; right: 0; text-align: center; font: 400 11px var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }

/* ---------- cursor ---------- */
.cursor { display: none; }
.fine.motion .cursor { display: block; position: fixed; left: 0; top: 0; z-index: 120; pointer-events: none; }
.cursor__dot, .cursor__ring { position: absolute; left: 0; top: 0; border-radius: 50%; }
.cursor__dot { width: 6px; height: 6px; margin: -3px 0 0 -3px; background: var(--aqua); }
.cursor__ring {
  width: 38px; height: 38px; margin: -19px 0 0 -19px;
  border: 1px solid rgba(143, 227, 224, .5);
  display: grid; place-items: center;
  transition: width .45s var(--ease), height .45s var(--ease), margin .45s var(--ease), background-color .3s, border-color .3s;
}
.cursor__ring b { font: 500 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--bg-deep); opacity: 0; transition: opacity .2s; }
.cursor.is-link .cursor__ring { width: 64px; height: 64px; margin: -32px 0 0 -32px; border-color: var(--aqua); }
.cursor.is-media .cursor__ring { width: 96px; height: 96px; margin: -48px 0 0 -48px; background: var(--aqua); border-color: transparent; }
.cursor.is-media .cursor__ring b { opacity: 1; }
.cursor.is-media .cursor__dot, .cursor.is-link .cursor__dot { opacity: 0; }
.cursor.is-hidden { opacity: 0; }
.cursor.is-down .cursor__ring { transform: scale(.85); }
.cursor__ring, .cursor__dot { transition-property: width, height, margin, background-color, border-color, opacity, transform; }

/* ---------- depth gauge ---------- */
.gauge {
  position: fixed; left: 22px; top: 50%; z-index: 40; transform: translateY(-50%);
  display: none; flex-direction: column; align-items: center; gap: 14px;
  font: 400 10px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
  opacity: 0; transition: opacity .6s var(--ease);
}
.gauge.is-on { opacity: 1; }
@media (min-width: 1100px) { .gauge { display: flex; } }
.gauge__label { writing-mode: vertical-rl; transform: rotate(180deg); }
.gauge__track { position: relative; width: 1px; height: 34vh; background: var(--line-2); }
.gauge__track i { position: absolute; inset: 0; background: var(--aqua); transform-origin: top; transform: scaleY(0); }
.gauge__track b { position: absolute; left: -4px; top: 0; width: 9px; height: 9px; margin-top: -4px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 0 4px rgba(143, 227, 224, .15), 0 0 18px var(--aqua); }
.gauge__val { color: var(--text); white-space: nowrap; font-variant-numeric: tabular-nums; min-width: 9ch; text-align: center; }
.gauge__end { text-align: center; color: var(--faint); font-size: 9px; }

/* ---------- nav ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 60; padding: 16px var(--gutter); pointer-events: none; }
.nav__inner { display: flex; align-items: center; justify-content: space-between; max-width: var(--max); margin-inline: auto; padding-inline: 0; }
.nav__inner > * { pointer-events: auto; }
.brand {
  display: inline-flex; align-items: center; gap: 10px; min-height: 44px;
  text-decoration: none; font: 400 30px/1 var(--serif); letter-spacing: -.01em;
}
.brand { padding: 0 16px 0 14px; margin-left: -14px; border-radius: 999px; border: 1px solid transparent; transition: background-color .4s, border-color .4s; }
.nav.is-solid .brand { background: rgba(4, 14, 18, .72); border-color: var(--line); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }
.brand svg { width: 18px; height: 18px; fill: var(--aqua); transition: transform .6s var(--ease); }
.brand:hover svg { transform: translateY(2px) rotate(-12deg); }
.nav__pill {
  position: relative; padding: 5px; border-radius: 999px;
  background: rgba(6, 20, 26, .45);
  -webkit-backdrop-filter: blur(18px) saturate(1.5); backdrop-filter: blur(18px) saturate(1.5);
  border: 1px solid var(--line);
  transition: background-color .4s;
}
.nav.is-solid .nav__pill { background: rgba(4, 14, 18, .72); }
.nav__links { position: relative; z-index: 1; display: flex; gap: 2px; }
.nav__links a {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0 14px; border-radius: 999px;
  font-size: 13px; font-weight: 500; text-decoration: none; color: var(--muted);
  transition: color .3s;
}
.nav__links a:hover, .nav__links a.is-active { color: var(--text); }
.nav__blob {
  position: absolute; left: 0; top: 5px; height: 36px; width: 0; border-radius: 999px;
  background: rgba(143, 227, 224, .14); border: 1px solid rgba(143, 227, 224, .22); opacity: 0;
}
.nav__toggle { display: none; }

@media (max-width: 960px) {
  .nav__pill { display: none; }
  .nav__toggle {
    display: grid; place-content: center; gap: 6px; width: 48px; height: 48px; border-radius: 50%;
    background: rgba(6, 20, 26, .55); border: 1px solid var(--line); cursor: pointer;
    -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  }
  .nav__toggle i { display: block; width: 18px; height: 1.5px; background: var(--text); transition: transform .45s var(--ease); }
  .nav.is-open .nav__toggle i:first-of-type { transform: translateY(3.75px) rotate(45deg); }
  .nav.is-open .nav__toggle i:last-of-type { transform: translateY(-3.75px) rotate(-45deg); }
}

.menu {
  position: fixed; inset: 0; z-index: 55; display: flex; align-items: flex-end;
  padding: 100px var(--gutter) 48px;
  background: rgba(2, 9, 12, .94);
  -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  clip-path: circle(0 at calc(100% - var(--gutter) - 24px) 40px);
  transition: clip-path .7s var(--ease-io);
}
.menu.is-open, html:not(.motion) .menu { clip-path: circle(150% at calc(100% - var(--gutter) - 24px) 40px); }
.menu[hidden] { display: none; }
.menu__list { width: 100%; }
.menu__list li { overflow: hidden; border-bottom: 1px solid var(--line); }
.menu__list a {
  display: flex; align-items: baseline; gap: 16px; padding: 10px 0;
  font: 400 clamp(36px, 10vw, 64px)/1.05 var(--serif); text-decoration: none;
}
.menu__list small { font: 400 11px var(--mono); color: var(--aqua); letter-spacing: .1em; }

/* ---------- buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 54px; padding: 0 26px; border-radius: 999px; overflow: hidden; isolation: isolate;
  font: 500 15px/1 var(--sans); text-decoration: none; white-space: nowrap;
  transition: color .4s var(--ease), border-color .4s;
}
.btn svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  transform: translateY(101%); transition: transform .55s var(--ease);
}
.btn--light { background: var(--text); color: var(--bg-deep); }
.btn--light::before { background: var(--aqua); }
.btn--ghost { border: 1px solid var(--line-2); color: var(--text); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.btn--ghost::before { background: var(--text); }
@media (hover: hover) and (pointer: fine) {
  .btn:hover::before { transform: none; }
  .btn--ghost:hover { color: var(--bg-deep); border-color: var(--text); }
}

/* ---------- sections ---------- */
.sec { position: relative; padding: clamp(110px, 16vw, 220px) 0; }
.sec--tight { padding-top: clamp(80px, 10vw, 140px); }
.row-head {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: end;
  margin-bottom: clamp(48px, 7vw, 96px);
}
.glass {
  background: linear-gradient(160deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .015));
  border: 1px solid var(--line); border-radius: 28px;
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  box-shadow: 0 40px 120px -40px rgba(0, 0, 0, .6), inset 0 1px 0 rgba(255, 255, 255, .06);
}

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end;
  overflow: hidden; isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: -3; overflow: hidden; }
.hero__bg { width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; transform-origin: 50% 60%; }
.motion .hero__bg { transform: scale(1.18); filter: blur(8px) brightness(.7); }
.hero__bubbles { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; }
.hero__shade {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(2, 9, 12, .55), transparent 60%),
    linear-gradient(180deg, rgba(2, 9, 12, .2) 0%, rgba(2, 9, 12, .1) 40%, rgba(7, 24, 32, .85) 82%, var(--bg) 100%);
}
.hero__content { padding-top: 140px; padding-bottom: 40px; }
.hero__title {
  font: 400 clamp(52px, min(10.4vw, 15.5vh), 188px)/.9 var(--serif);
  letter-spacing: -.035em; max-width: 12ch; margin-bottom: clamp(32px, 4vw, 56px);
  text-wrap: balance;
}
.hero__row { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; flex-wrap: wrap; }
.hero__lede { font-size: clamp(16px, 1.3vw, 19px); line-height: 1.65; color: rgba(234, 243, 243, .82); max-width: 44ch; font-weight: 300; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__foot {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding-top: 28px; padding-bottom: 28px; border-top: 1px solid var(--line);
  color: var(--muted);
}
.hero__foot::before { content: none; }
.hero__scroll { display: inline-flex; align-items: center; gap: 12px; font: 500 11px var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--text); }
.hero__scroll i { position: relative; width: 1px; height: 36px; background: var(--line-2); overflow: hidden; }
.hero__scroll i::after { content: ""; position: absolute; left: 0; top: -40%; width: 1px; height: 40%; background: var(--aqua); animation: drip 2.2s var(--ease-io) infinite; }
@keyframes drip { to { top: 110%; } }
.motion [data-hero-in] { opacity: 0; transform: translateY(24px); }

/* ---------- share ---------- */
.share { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(40px, 6vw, 110px); align-items: center; }
.share__head .body { margin: 32px 0 40px; }
.seg { position: relative; display: inline-flex; padding: 5px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); }
.seg button {
  position: relative; z-index: 1; min-height: 44px; padding: 0 22px; border: 0; border-radius: 999px;
  background: none; cursor: pointer; font-size: 14px; font-weight: 500; color: var(--muted); transition: color .35s;
}
.seg button[aria-selected="true"] { color: var(--bg-deep); }
.seg__pill { position: absolute; z-index: 0; left: 5px; top: 5px; bottom: 5px; width: 0; border-radius: 999px; background: var(--aqua); box-shadow: 0 8px 30px -6px rgba(143, 227, 224, .5); }

.share__chart { padding: clamp(28px, 3.4vw, 48px); }
.bigfig { display: flex; flex-wrap: wrap; align-items: baseline; column-gap: 6px; margin-bottom: 32px; }
.bigfig__num { font: 400 clamp(88px, 11vw, 168px)/.85 var(--serif); letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.bigfig__unit { font: 400 clamp(40px, 4.4vw, 64px)/1 var(--serif); color: var(--aqua); }
.bigfig__label { flex-basis: 100%; margin-top: 14px; color: var(--muted); font-size: 16px; }
.dots { display: grid; grid-template-columns: repeat(20, 1fr); gap: clamp(4px, .55vw, 8px); }
.dots i { aspect-ratio: 1; border-radius: 50%; background: #1b3a44; }
.dots__key { margin: 16px 0 28px; color: var(--faint); }
.legend { display: grid; gap: 0; border-top: 1px solid var(--line); }
.legend li { display: grid; grid-template-columns: 12px 1fr auto; gap: 14px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.legend i { width: 10px; height: 10px; border-radius: 50%; }
.legend b { font: 500 14px var(--mono); font-variant-numeric: tabular-nums; }
.k1 { background: #1f5d6b; }
.k2 { background: #5fa3ab; }
.k3 { background: var(--aqua); box-shadow: 0 0 12px rgba(143, 227, 224, .7); }
.swap { transition: opacity .2s ease, transform .2s ease, filter .2s ease; display: inline-block; }
.swap.is-out { opacity: 0; transform: translateY(6px); filter: blur(4px); }

/* ---------- ocean (pinned) ---------- */
.ocean { position: relative; height: 260vh; }
.ocean__stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; display: grid; }
.ocean__frame {
  position: absolute; inset: 0; overflow: hidden;
  clip-path: inset(14% 18% 14% 18% round 28px);
}
.ocean__frame img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.3); }
.ocean__veil { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(2, 9, 12, .1), rgba(2, 9, 12, .78)); opacity: 0; }
.ocean__copy { position: relative; z-index: 2; align-self: end; padding-bottom: clamp(40px, 8vh, 90px); }
.ocean__title {
  font: 400 clamp(52px, 9vw, 160px)/.92 var(--serif); letter-spacing: -.035em; max-width: 11ch;
  text-shadow: 0 10px 60px rgba(0, 0, 0, .35);
}
.ocean__stats {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: clamp(28px, 4vh, 48px);
  border-top: 1px solid var(--line-2); max-width: 900px;
}
.ocean__stats div { padding: 20px 24px 0 0; }
.ocean__stats dt { font: 400 11px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: rgba(234, 243, 243, .7); }
.ocean__stats dd { font: 400 clamp(40px, 4.6vw, 72px)/1 var(--serif); margin-top: 10px; font-variant-numeric: tabular-nums; }
html:not(.motion) .ocean { height: auto; }
html:not(.motion) .ocean__stage { position: relative; min-height: 100vh; }
html:not(.motion) .ocean__frame { clip-path: none; }
html:not(.motion) .ocean__frame img { transform: none; }
html:not(.motion) .ocean__veil { opacity: 1; }

/* ---------- frames & reveals ---------- */
.frame { position: relative; overflow: hidden; border-radius: var(--r); background: var(--deep); }
.frame img { width: 100%; height: 100%; object-fit: cover; transform-origin: 50% 50%; }
.motion .frame--reveal { clip-path: inset(100% 0 0 0 round var(--r)); transition: clip-path 1.4s var(--ease-io); }
.motion .frame--reveal img { transform: scale(1.35); transition: transform 2s var(--ease); }
.motion .frame--reveal.is-in { clip-path: inset(0 0 0 0 round var(--r)); }
.motion .frame--reveal.is-in img { transform: scale(1); }
.frame figcaption {
  position: absolute; left: 16px; bottom: 16px; padding: 8px 12px; border-radius: 999px;
  font: 500 11px var(--mono); letter-spacing: .08em; text-transform: uppercase;
  background: rgba(2, 9, 12, .55); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border: 1px solid var(--line);
}

.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 6vw, 110px); align-items: center; }
.split .frame { aspect-ratio: 4 / 3; }

/* ---------- ice ---------- */
.duo { display: grid; grid-template-columns: 1.45fr 1fr; gap: clamp(12px, 1.6vw, 24px); align-items: end; }
.duo .frame:first-child { aspect-ratio: 4 / 3; }
.duo .frame:last-child { aspect-ratio: 4 / 5; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: clamp(48px, 6vw, 88px); border-top: 1px solid var(--line); }
.stats div { padding: 28px 28px 0 0; }
.stats div + div { padding-left: 28px; border-left: 1px solid var(--line); }
.stats dt { font: 400 11px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); max-width: 26ch; }
.stats dd { font: 400 clamp(52px, 6vw, 96px)/1 var(--serif); letter-spacing: -.03em; margin-top: 14px; font-variant-numeric: tabular-nums; }
.motion [data-stagger] > * { opacity: 0; transform: translateY(30px); }

/* ---------- rivers (horizontal) ---------- */
.rivers { position: relative; }
.rivers__stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.rivers__track { display: flex; align-items: center; gap: clamp(16px, 2vw, 32px); padding-inline: var(--gutter); width: max-content; will-change: transform; }
.rivers__intro { width: min(560px, 82vw); flex: none; padding-right: clamp(20px, 4vw, 80px); }
.rivers__intro .body { margin-top: 28px; }
.rivers__hint { margin-top: 40px; color: var(--aqua); display: inline-flex; gap: 10px; }
.rivers__hint span { display: inline-block; animation: nudge 1.8s var(--ease-io) infinite; }
@keyframes nudge { 50% { transform: translateX(8px); } }
.card { position: relative; flex: none; margin: 0; }
.card__img { overflow: hidden; border-radius: var(--r); height: 62vh; background: var(--deep); }
.card__img img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); }
.card { width: min(34vw, 460px); }
.card--wide { width: min(58vw, 860px); }
.card--tall { width: min(36vw, 500px); }
.card--tall .card__img { height: 70vh; }
.card figcaption { margin-top: 16px; font-size: 14px; color: var(--muted); display: flex; gap: 12px; }
.card figcaption .mono { color: var(--aqua); }
.card--stat {
  width: min(30vw, 400px); height: 62vh; padding: 36px; border-radius: var(--r);
  display: flex; flex-direction: column; justify-content: space-between;
  background: radial-gradient(120% 90% at 20% 0%, rgba(143, 227, 224, .25), transparent 60%), #0b2f39;
  border: 1px solid rgba(143, 227, 224, .2);
}
.card__big { font: 400 clamp(96px, 11vw, 180px)/.85 var(--serif); letter-spacing: -.04em; }
.card__big small { font-size: .4em; color: var(--aqua); }
.card--stat p { color: rgba(234, 243, 243, .78); font-size: 16px; line-height: 1.6; }
.card--next {
  width: min(30vw, 380px); height: 62vh; border-radius: var(--r); padding: 36px;
  display: flex; flex-direction: column; justify-content: space-between; text-decoration: none;
  border: 1px dashed var(--line-2); transition: background-color .5s var(--ease), border-color .5s;
}
.card--next .mono { color: var(--aqua); }
.card__next { font: 400 clamp(36px, 3.4vw, 54px)/1 var(--serif); letter-spacing: -.02em; }
.card--next svg { width: 44px; height: 44px; fill: none; stroke: var(--aqua); stroke-width: 1.2; transition: transform .5s var(--ease); }
.card--next:hover { background: rgba(143, 227, 224, .06); border-color: var(--aqua); }
.card--next:hover svg { transform: translateX(10px); }
.rivers__bar { position: absolute; left: var(--gutter); right: var(--gutter); bottom: 36px; height: 1px; background: var(--line); }
.rivers__bar i { position: absolute; inset: 0; background: var(--aqua); transform-origin: left; transform: scaleX(0); }

/* stacked fallback (no motion or small screens) */
.rivers.is-static .rivers__stage { position: relative; height: auto; overflow: visible; padding: clamp(110px, 16vw, 220px) 0; }
.rivers.is-static .rivers__track { width: auto; flex-direction: column; align-items: stretch; transform: none !important; }
.rivers.is-static .rivers__intro, .rivers.is-static .card { width: 100%; }
.rivers.is-static .card__img, .rivers.is-static .card--tall .card__img { height: auto; aspect-ratio: 4 / 3; }
.rivers.is-static .card--stat, .rivers.is-static .card--next { height: auto; min-height: 280px; gap: 32px; }
.rivers.is-static .rivers__hint, .rivers.is-static .rivers__bar { display: none; }

/* ---------- time ---------- */
.time__head { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: end; margin-bottom: clamp(56px, 7vw, 100px); }
.time__head .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
.res { display: grid; }
.res li {
  display: grid; grid-template-columns: minmax(150px, 220px) 1fr minmax(110px, 140px); gap: 28px; align-items: center;
  padding: 18px 0; border-bottom: 1px solid var(--line);
  transition: background-color .4s;
}
.res li:first-child { border-top: 1px solid var(--line); }
.res__name { font: 400 clamp(20px, 1.8vw, 26px)/1.1 var(--serif); }
.res__track { position: relative; height: 10px; }
.res__track i {
  position: absolute; left: 0; top: 0; bottom: 0; width: var(--w, 50%); border-radius: 999px;
  background: linear-gradient(90deg, var(--sea), var(--aqua));
  transform-origin: left; box-shadow: 0 0 20px -2px rgba(143, 227, 224, .45);
}
.res__track i::after { content: ""; position: absolute; right: -2px; top: 50%; width: 14px; height: 14px; margin-top: -7px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 4px rgba(143, 227, 224, .25), 0 0 16px var(--aqua); }
.motion .res__track i { transform: scaleX(0); }
.res__val { font: 500 13px var(--mono); text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
@media (hover: hover) { .res li:hover { background: rgba(143, 227, 224, .04); } .res li:hover .res__val { color: var(--aqua); } }
.res__axis { display: flex; justify-content: space-between; margin-top: 16px; color: var(--faint); padding-left: calc(min(220px, 30%) + 28px); padding-right: calc(140px + 28px); }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; padding: clamp(24px, 4vw, 56px) 0; border-block: 1px solid var(--line); }
.marquee__row { display: flex; align-items: center; width: max-content; will-change: transform; }
.marquee span {
  font: 400 clamp(72px, 13vw, 220px)/1 var(--serif); letter-spacing: -.03em; padding: 0 .25em;
  color: transparent; -webkit-text-stroke: 1px rgba(143, 227, 224, .45);
  transition: color .5s, -webkit-text-stroke-color .5s;
}
.marquee span:nth-of-type(4n+2) { color: var(--aqua); -webkit-text-stroke-color: transparent; font-style: italic; }
.marquee i { width: clamp(14px, 1.6vw, 24px); height: clamp(14px, 1.6vw, 24px); flex: none; background: var(--aqua); -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpath d='M16 3C16 3 6 14.5 6 20.5a10 10 0 0 0 20 0C26 14.5 16 3 16 3z'/%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 32 32'%3E%3Cpath d='M16 3C16 3 6 14.5 6 20.5a10 10 0 0 0 20 0C26 14.5 16 3 16 3z'/%3E%3C/svg%3E") center/contain no-repeat; }

/* ---------- up close ---------- */
.sextillion {
  font: 400 clamp(18px, 3.1vw, 48px)/1 var(--mono); letter-spacing: -.02em; text-transform: none;
  color: var(--aqua); margin-bottom: clamp(40px, 5vw, 72px); white-space: nowrap; overflow: hidden;
  font-variant-numeric: tabular-nums;
}
.trio { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(12px, 1.6vw, 24px); perspective: 1200px; }
.trio .frame { aspect-ratio: 3 / 4; }
.trio { align-items: start; }
.trio .frame:nth-child(2) { margin-top: clamp(20px, 5vw, 80px); }
.tilt { transform-style: preserve-3d; will-change: transform; }

/* ---------- access ---------- */
.access { overflow: hidden; }
.access__glow {
  position: absolute; left: 50%; top: 30%; width: 1100px; height: 1100px; margin-left: -550px; border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 182, 185, .22), transparent 62%);
  pointer-events: none; filter: blur(20px);
}
.access__inner { position: relative; display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(48px, 7vw, 120px); align-items: end; }
.access__num { font: 400 clamp(80px, 13vw, 220px)/.86 var(--serif); letter-spacing: -.045em; }
.access__num em { display: block; font-size: .42em; letter-spacing: -.02em; margin-top: .1em; }
.access__line { font: 400 clamp(26px, 2.6vw, 40px)/1.15 var(--serif); margin: 28px 0 24px; max-width: 22ch; }
.access__body { margin-bottom: 40px; }
.access__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.access__facts { display: grid; }
.access__facts div { padding: 26px 0; border-top: 1px solid var(--line); }
.access__facts div:last-child { border-bottom: 1px solid var(--line); }
.access__facts dt { font: 400 11px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.access__facts dd { font: 400 clamp(44px, 4.4vw, 68px)/1 var(--serif); margin-top: 10px; }

/* ---------- footer ---------- */
.foot { padding: clamp(40px, 6vw, 80px) 0 40px; border-top: 1px solid var(--line); }
.foot__mark {
  --fill: 0px;
  font: 400 clamp(120px, 27vw, 460px)/.95 var(--serif); letter-spacing: -.05em; text-align: center;
  margin: 0 0 clamp(32px, 4vw, 56px);
  color: transparent; -webkit-text-stroke: 1px rgba(143, 227, 224, .3);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 40' preserveAspectRatio='none'%3E%3Cpath d='M0 20 Q50 0 100 20 T200 20 T300 20 T400 20 V40 H0Z' fill='%238fe3e0'/%3E%3C/svg%3E"),
    linear-gradient(var(--aqua), var(--aqua-2));
  background-size: 400px 40px, 100% var(--fill);
  background-repeat: repeat-x, no-repeat;
  background-position: left 0 bottom calc(var(--fill) - 1px), left 0 bottom 0;
  -webkit-background-clip: text; background-clip: text;
  animation: wave 4s linear infinite;
  user-select: none;
}
html:not(.motion) .foot__mark { animation: none; }
@keyframes wave { to { background-position-x: 400px, 0; } }
.foot__inner { display: grid; grid-template-columns: 1.2fr 1fr 1.3fr; gap: 40px; padding-top: 32px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.foot__brand { display: flex; gap: 14px; }
.foot__brand svg { flex: none; width: 18px; height: 18px; fill: var(--aqua); margin-top: 3px; }
.foot__brand p { font: 400 22px/1.2 var(--serif); color: var(--text); max-width: 22ch; }
.foot__credits { color: var(--faint); font-size: 12px; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .share, .split, .access__inner { grid-template-columns: 1fr; }
  .row-head, .time__head { grid-template-columns: 1fr; gap: 28px; }
  .foot__inner { grid-template-columns: 1fr 1fr; }
  .foot__credits { grid-column: 1 / -1; }
}
@media (max-width: 700px) {
  .hero__foot .mono:last-child { display: none; }
  .hero__actions { width: 100%; }
  .hero__actions .btn { flex: 1 1 auto; }
  .duo, .trio { grid-template-columns: 1fr; }
  .duo .frame:last-child { aspect-ratio: 4 / 3; }
  .trio .frame { aspect-ratio: 4 / 3; }
  .trio .frame:nth-child(2) { margin-top: 0; }
  .stats, .ocean__stats { grid-template-columns: 1fr; }
  .stats div, .stats div + div { padding: 22px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .ocean__stats div { padding: 14px 0 0; display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
  .ocean__stats dd { margin: 0; font-size: 40px; }
  .ocean__frame { clip-path: inset(10% 6% 30% 6% round 20px); }
  .res li { grid-template-columns: 1fr auto; gap: 10px 16px; }
  .res__track { grid-column: 1 / -1; grid-row: 2; }
  .res__axis { padding: 0; }
  .seg { display: flex; width: 100%; }
  .seg button { flex: 1; padding: 0 12px; }
  .dots { gap: 3px; }
  .foot__inner { grid-template-columns: 1fr; }
  .sec { padding: 96px 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
}