/* Tanager · site styles. Single dark theme by design. */
:root {
  color-scheme: dark;
  --bg: #000;
  --ink: #f4f5f6;
  --mute: rgba(244, 245, 246, 0.7);
  --dim: rgba(244, 245, 246, 0.46);
  --line: rgba(255, 255, 255, 0.14);
  --line-2: rgba(255, 255, 255, 0.3);
  --glass: rgba(3, 4, 6, 0.74);
  --accent: #ff4f9a;
  --accent-ink: #1a0610;
  --display: "Michroma", "Eurostile", "Microgramma", "Arial Black", sans-serif;
  --body: "Barlow", "D-DIN", "DIN Alternate", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --gutter: clamp(20px, 5vw, 80px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.6), 0 2px 28px rgba(0, 0, 0, 0.75);
}
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 17px/1.6 var(--body); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: #000; }

/* ---------- stage ---------- */
#reactor { position: fixed; inset: 0; width: 100vw; height: 100vh; height: 100lvh; display: block; z-index: 0; }
.shade { position: fixed; inset: 0; z-index: 1; pointer-events: none; background: rgba(0, 0, 0, var(--dim-level, 0)); }
.shade i { position: absolute; inset: 0; display: block; }
.s-left { opacity: var(--scr-l, 1);
  background: linear-gradient(90deg, rgba(0,0,0,0.94) 0%, rgba(0,0,0,0.82) 26%, rgba(0,0,0,0.45) 42%, rgba(0,0,0,0) 58%); }
.s-right { opacity: var(--scr-r, 0);
  background: linear-gradient(270deg, rgba(0,0,0,0.94) 0%, rgba(0,0,0,0.82) 26%, rgba(0,0,0,0.45) 42%, rgba(0,0,0,0) 58%); }
.s-bottom { top: auto !important; height: 34vh; background: linear-gradient(0deg, rgba(0,0,0,0.92), rgba(0,0,0,0)); opacity: var(--scr-b, 0.8); }
.no-webgl #reactor { display: none; }
.no-webgl .shade { background: #000 url("../img/hero.jpg") 70% center / cover no-repeat; }

.labels { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; height: 100lvh; z-index: 2; pointer-events: none; }
.pin { position: absolute; left: 0; top: 0; will-change: transform, opacity; font: 500 11px/1.25 var(--mono); color: #eef1f3; white-space: nowrap; opacity: 0; }
.pin .dot { position: absolute; left: -5px; top: -5px; width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--accent); background: rgba(0,0,0,0.6); box-shadow: 0 0 12px rgba(255,79,154,0.7); }
.pin .ln { position: absolute; top: 0; left: 5px; width: 44px; height: 1px; background: rgba(255,255,255,0.6); }
.pin .tx { position: absolute; left: 52px; top: -11px; padding: 4px 8px; background: rgba(0,0,0,0.8); border: 1px solid var(--line); letter-spacing: 0.08em; text-transform: uppercase; }
.pin.flip .ln { left: auto; right: 5px; }
.pin.flip .tx { left: auto; right: 52px; }

/* ---------- loader ---------- */
.loader { position: fixed; inset: 0; z-index: 100; background: #000; display: grid; place-content: center; gap: 20px; justify-items: center; transition: opacity 1s var(--ease), visibility 1s; }
.loader.done { opacity: 0; visibility: hidden; }
.loader-mark { display: inline-flex; align-items: center; gap: 0.7em; font: 400 clamp(20px, 3vw, 30px)/1 var(--display); letter-spacing: 0.44em; padding-left: 0.44em; animation: breathe 2.4s ease-in-out infinite; }
.loader-bar { width: min(240px, 60vw); height: 1px; background: var(--line); overflow: hidden; }
.loader-bar span { display: block; height: 100%; width: 0; background: var(--ink); transition: width 0.4s var(--ease); }
.loader-note { font: 500 10px/1 var(--mono); letter-spacing: 0.28em; text-transform: uppercase; color: var(--dim); }
@keyframes breathe { 50% { opacity: 0.45; } }

/* ---------- nav ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 20; display: flex; align-items: center; gap: 30px;
  padding: calc(env(safe-area-inset-top, 0px) + 24px) var(--gutter) 24px; transition: background 0.4s, padding 0.4s; }
.nav.scrolled { background: rgba(0, 0, 0, 0.62); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  padding-top: calc(env(safe-area-inset-top, 0px) + 14px); padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.brand { font: 400 15px/1 var(--display); letter-spacing: 0.4em; display: inline-flex; align-items: center; gap: 12px; }
.mark { display: block; flex: none; }
.brand .mark { width: 24px; height: 24px; }
.nav-links { display: flex; gap: 32px; margin-left: auto; }
.nav-links a { font: 500 12px/1 var(--body); letter-spacing: 0.2em; text-transform: uppercase; color: var(--mute); position: relative; padding: 6px 0; transition: color 0.25s; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease); }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.menu-btn { display: none; margin-left: auto; width: 44px; height: 44px; background: none; border: 0; cursor: pointer; position: relative; }
.menu-btn span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: var(--ink); transition: transform 0.35s var(--ease), top 0.35s var(--ease); }
.menu-btn span:first-child { top: 17px; } .menu-btn span:last-child { top: 26px; }
.menu-btn[aria-expanded="true"] span:first-child { top: 21px; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { top: 21px; transform: rotate(-45deg); }
.menu { position: fixed; inset: 0; z-index: 15; background: rgba(0,0,0,0.96); backdrop-filter: blur(10px); display: grid; align-content: center; padding: 96px var(--gutter) 40px; }
.menu nav { display: grid; gap: 6px; }
.menu a { font: 600 clamp(28px, 8vw, 44px)/1.25 var(--body); text-transform: uppercase; letter-spacing: 0.03em; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 32px; border: 1px solid rgba(255,255,255,0.92);
  font: 600 12px/1 var(--body); letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink); background: rgba(0,0,0,0.25);
  position: relative; overflow: hidden; isolation: isolate; transition: color 0.35s var(--ease), border-color 0.35s; }
.btn::before { content: ""; position: absolute; inset: 0; background: var(--ink); transform: translateY(101%); transition: transform 0.45s var(--ease); z-index: -1; }
.btn:hover { color: #000; }
.btn:hover::before { transform: translateY(0); }
.btn-ghost { border-color: var(--line-2); }
.btn-sm { min-height: 40px; padding: 0 18px; font-size: 11px; }

/* ---------- layout + type ---------- */
main { position: relative; z-index: 3; }
.wrap { width: 100%; max-width: 1400px; margin-inline: auto; padding-inline: var(--gutter); }
.col { max-width: 560px; }
.scene { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding-block: 128px; position: relative; }
.scene h1, .scene h2, .scene h3, .scene p, .scene .lbl, .scene dd, .scene dt { text-shadow: var(--shadow); }
.eyebrow { font: 500 12px/1.4 var(--mono); letter-spacing: 0.26em; text-transform: uppercase; color: var(--mute); margin: 0 0 24px; display: flex; align-items: center; gap: 14px; }
.eyebrow::before { content: ""; width: 30px; height: 1px; background: var(--accent); box-shadow: 0 0 10px rgba(255,79,154,0.8); }
h1, h2, h3 { margin: 0; font-family: var(--body); text-transform: uppercase; text-wrap: balance; }
h1 { font-weight: 600; font-size: clamp(46px, 6.4vw, 112px); line-height: 0.92; letter-spacing: 0.004em; }
h2 { font-weight: 600; font-size: clamp(34px, 4.4vw, 66px); line-height: 0.98; letter-spacing: 0.01em; }
h2.big { font-size: clamp(38px, 5.6vw, 92px); }
h3 { font-weight: 600; font-size: 17px; letter-spacing: 0.08em; }
.lede { font-size: clamp(18px, 1.5vw, 21px); line-height: 1.55; color: var(--mute); max-width: 42ch; margin: 28px 0 0; }
.fine { font: 400 12px/1.6 var(--mono); color: var(--dim); max-width: 70ch; margin: 34px 0 0; letter-spacing: 0.02em; }
.ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 42px; }

/* hero */
.hero { padding-bottom: 150px; }
.hero .col { max-width: 880px; }
.hero .lede { max-width: 40ch; }
.hero .eyebrow { color: var(--ink); }
.headline .ln { display: block; overflow: hidden; padding-bottom: 0.04em; }
.headline .ln > span { display: block; }
.js .headline .ln > span { transform: translateY(108%); transition: transform 1.3s var(--ease); }
.js .headline .ln:nth-child(2) > span { transition-delay: 0.12s; }
.js body.ready .headline .ln > span { transform: none; }
.js .intro { opacity: 0; transform: translateY(18px); transition: opacity 1.1s var(--ease) 0.35s, transform 1.2s var(--ease) 0.35s; }
.js .intro.ctas { transition-delay: 0.5s; }
.js body.ready .intro { opacity: 1; transform: none; }
.ticker { position: absolute; left: 0; right: 0; bottom: 0; border-top: 1px solid var(--line); background: rgba(0,0,0,0.55); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); overflow: hidden; }
.track { display: flex; width: max-content; animation: ticker 60s linear infinite; }
.track span { font: 500 11px/1 var(--mono); letter-spacing: 0.24em; text-transform: uppercase; color: var(--mute); padding: 20px 28px; white-space: nowrap; position: relative; }
.track span::after { content: ""; position: absolute; right: -2px; top: 50%; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); transform: translateY(-50%); opacity: 0.8; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* stats */
.stats { align-items: stretch; }
.stats .wrap { display: flex; flex-direction: column; justify-content: space-between; min-height: calc(100vh - 256px); }
.stat-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 64px; border-top: 1px solid var(--line-2); }
.stat { padding: 28px 24px 8px 0; display: grid; grid-template-columns: auto 1fr; align-items: baseline; column-gap: 8px; }
.stat + .stat { padding-left: 24px; border-left: 1px solid var(--line); }
.num { font: 300 clamp(52px, 6.4vw, 100px)/1 var(--body); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.unit { font: 500 clamp(14px, 1.4vw, 20px)/1 var(--body); color: var(--mute); letter-spacing: 0.08em; }
.lbl { grid-column: 1 / -1; margin-top: 14px; font: 500 11px/1.5 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--mute); }
.num-inf { color: var(--accent); text-shadow: 0 0 30px rgba(255,79,154,0.5); }

/* principle */
.loop-list { list-style: none; margin: 44px 0 0; padding: 0; border-top: 1px solid var(--line); }
.loop-list li { display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.loop-list .k { font: 500 11px/1.9 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); }
.loop-list p { margin: 8px 0 0; color: var(--mute); font-size: 16px; }

/* machine cards */
.card { max-width: 460px; padding: 36px 36px 32px; background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.card.right { margin-left: auto; }
.step-no { font: 500 12px/1 var(--mono); letter-spacing: 0.22em; color: var(--accent); margin: 0 0 18px; }
.card h2 { font-size: clamp(28px, 2.8vw, 40px); }
.card p { color: var(--mute); margin: 16px 0 0; }
.chips { display: flex; flex-wrap: wrap; margin: 26px 0 0; border-top: 1px solid var(--line); }
.chips div { padding: 14px 22px 0 0; margin-right: 22px; }
.chips dt { font: 500 10px/1.4 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--dim); }
.chips dd { margin: 4px 0 0; font: 500 16px/1.3 var(--body); letter-spacing: 0.02em; }

/* performance */
.mode { display: inline-flex; margin-top: 40px; border: 1px solid var(--line-2); background: rgba(0,0,0,0.4); }
.mode button { appearance: none; border: 0; background: transparent; color: var(--mute); font: 600 12px/1 var(--body); letter-spacing: 0.22em; text-transform: uppercase; padding: 18px 28px; cursor: pointer; transition: background 0.35s var(--ease), color 0.35s, box-shadow 0.35s; }
.mode button.on { background: var(--ink); color: #000; }
.mode button#mode-overdrive.on { background: var(--accent); color: var(--accent-ink); box-shadow: 0 0 40px rgba(255,79,154,0.45); }
.readout { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 34px 0 0; border-top: 1px solid var(--line); }
.readout div { padding: 18px 16px 16px 0; border-bottom: 1px solid var(--line); }
.readout dt { font: 500 10.5px/1.4 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim); }
.readout dd { margin: 6px 0 0; font: 400 15px/1 var(--body); color: var(--mute); }
.readout b { font: 300 clamp(30px, 3vw, 42px)/1 var(--body); color: var(--ink); font-variant-numeric: tabular-nums; margin-right: 4px; letter-spacing: -0.01em; }

/* lineage */
.table-wrap { margin-top: 48px; overflow-x: auto; background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 15px; }
th, td { text-align: left; padding: 16px 20px; border-bottom: 1px solid var(--line); }
thead th { font: 500 11px/1.3 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim); }
tbody th { font-weight: 500; color: var(--mute); }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
td.hl, th.hl { background: rgba(255, 79, 154, 0.08); color: var(--ink); }
thead th.hl { color: var(--accent); }

/* evidence */
.cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 52px; border-top: 1px solid var(--line); }
.c { padding: 28px 28px 0 0; }
.c + .c { padding-left: 28px; border-left: 1px solid var(--line); }
.tag { display: inline-block; font: 500 11px/1 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; padding: 8px 10px; border: 1px solid var(--line-2); }
.t-proven { color: var(--ink); border-color: rgba(255,255,255,0.7); }
.t-designed { color: var(--mute); }
.t-bet { color: var(--accent); border-color: var(--accent); }
.c ul { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 14px; }
.c li { color: var(--mute); padding-left: 18px; position: relative; font-size: 16px; line-height: 1.5; text-shadow: var(--shadow); }
.c li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 8px; height: 1px; background: var(--line-2); }

/* exploring path */
.path { list-style: none; margin: 60px 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); position: relative; }
.path::before { content: ""; position: absolute; left: 0; right: 0; top: 5px; height: 1px; background: var(--line); }
.path li { position: relative; padding: 36px 24px 0 0; }
.path li::before { content: ""; position: absolute; left: 0; top: 0; width: 11px; height: 11px; border-radius: 50%; border: 1px solid var(--line-2); background: #000; }
.path li.done::before { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 18px rgba(255,79,154,0.7); }
.path li.now::before { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(255,79,154,0.18); }
.path .st { font: 500 11px/1 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--dim); }
.path .done .st, .path .now .st { color: var(--accent); }
.path h3 { margin-top: 12px; font-size: 16px; line-height: 1.3; }
.path p { margin: 10px 0 0; color: var(--mute); font-size: 15px; }

/* about */
.prose { margin-top: 30px; display: grid; gap: 18px; }
.prose p { margin: 0; color: var(--mute); font-size: 18px; line-height: 1.65; }
.prose p:first-child { color: var(--ink); }
.meta { display: flex; flex-wrap: wrap; margin: 36px 0 0; border-top: 1px solid var(--line); }
.meta div { padding: 16px 32px 0 0; }
.meta dt { font: 500 10px/1.4 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--dim); }
.meta dd { margin: 5px 0 0; font: 500 16px/1.3 var(--body); }
.meta a { border-bottom: 1px solid var(--accent); }

/* gallery */
.shots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.shot { margin: 0; overflow: hidden; }
.shot img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; transition: transform 1.2s var(--ease); }
.shot:hover img { transform: scale(1.03); }
.shot figcaption { margin-top: 12px; font: 500 11px/1.5 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); }

/* footer */
.foot { position: relative; z-index: 3; border-top: 1px solid var(--line); background: #000; padding-block: 28px calc(28px + env(safe-area-inset-bottom, 0px)); }
.foot-inner { display: flex; flex-wrap: wrap; gap: 10px 32px; font: 400 12px/1.6 var(--mono); color: var(--dim); letter-spacing: 0.04em; }
.brand-sm { font: 400 12px/1.6 var(--display); letter-spacing: 0.36em; color: var(--ink); display: inline-flex; align-items: center; gap: 10px; }
.loader-mark .mark { width: 1.3em; height: 1.3em; }
.brand-sm .mark { width: 18px; height: 18px; }

/* section rail */
.rail { position: fixed; right: 24px; top: 50%; transform: translateY(-50%); z-index: 12; display: none; flex-direction: column; gap: 14px; }
.rail a { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.rail i { width: 5px; height: 5px; border-radius: 50%; background: var(--line-2); transition: background 0.3s, transform 0.3s; }
.rail span { font: 500 10px/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--mute); opacity: 0; transform: translateX(6px); transition: opacity 0.3s, transform 0.3s; }
.rail a:hover span, .rail a.active span { opacity: 1; transform: none; }
.rail a.active i { background: var(--accent); transform: scale(1.6); box-shadow: 0 0 10px rgba(255,79,154,0.8); }

/* scroll reveals (only when JS is running) */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }


/* ---------- tests ---------- */
.lede.wide { max-width: 62ch; }
.tests .wrap, .compare .wrap, .feas .wrap { position: relative; }
.tgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 52px; }
.test { background: rgba(4, 5, 7, 0.9); border: 1px solid var(--line); display: flex; flex-direction: column; }
.test .fig { margin: 0; background: #050608; border-bottom: 1px solid var(--line); }
.test .fig img { width: 100%; height: auto; }
.test .body { padding: 24px 26px 26px; display: grid; gap: 12px; }
.test .head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.test .no { font: 500 11px/1 var(--mono); letter-spacing: 0.2em; color: var(--accent); }
.test h3 { font-size: 18px; letter-spacing: 0.06em; }
.test .tool { font: 500 10.5px/1.4 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); }
.test p { margin: 0; color: var(--mute); font-size: 15.5px; line-height: 1.55; }
.test .res { display: flex; flex-wrap: wrap; gap: 0; border-top: 1px solid var(--line); margin-top: 4px; }
.test .res div { padding: 12px 20px 0 0; }
.test .res dt { font: 500 10px/1.4 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim); }
.test .res dd { margin: 3px 0 0; font: 500 16px/1.3 var(--body); color: var(--ink); }
.verdict { margin-left: auto; font: 600 10.5px/1 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; padding: 7px 9px; border: 1px solid; }
.v-pass { color: #5fd3a6; border-color: rgba(95, 211, 166, 0.6); }
.v-limit { color: #f0a24a; border-color: rgba(240, 162, 74, 0.6); }
.v-open { color: var(--accent); border-color: rgba(255, 79, 154, 0.6); }
.test.wide { grid-column: 1 / -1; }
.test.wide .fig img { max-height: 520px; object-fit: contain; }

/* ---------- compare ---------- */
table.cmp { min-width: 980px; font-size: 14px; }
table.cmp td, table.cmp th { vertical-align: top; }
table.cmp td { color: var(--mute); }
table.cmp td.hl { color: var(--ink); }
.split { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 34px; margin-top: 34px; align-items: start; }
.fig { margin: 0; }
.fig img { display: block; width: 100%; height: auto; }
.split .fig { background: rgba(4, 5, 7, 0.9); border: 1px solid var(--line); padding: 10px; }
.fig figcaption { margin-top: 10px; font: 500 11px/1.5 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim); }
.wl { background: var(--glass); border: 1px solid var(--line); padding: 26px 28px; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.wl h3 { font-size: 13px; letter-spacing: 0.24em; font-family: var(--mono); font-weight: 500; }
.wl h3.win { color: #5fd3a6; } .wl h3.lose { color: #f0a24a; margin-top: 26px; }
.wl ul { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 10px; }
.wl li { color: var(--mute); padding-left: 18px; position: relative; font-size: 15.5px; line-height: 1.5; }
.wl li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 8px; height: 1px; background: var(--line-2); }

/* ---------- endurance (48 h) ---------- */
.endurance .wrap { position: relative; }
.endurance-fig { margin-top: 56px; background: rgba(4, 5, 7, 0.9); border: 1px solid var(--line); padding: 12px; }
.endurance-split { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); margin-top: 40px; }
.endurance-split .loop-list { margin-top: 0; background: rgba(4, 5, 7, 0.86); padding: 0 22px; border: 1px solid var(--line); }
.endurance-split .loop-list li { grid-template-columns: 118px minmax(0, 1fr); }
.endurance-split .loop-list .k { letter-spacing: 0.14em; }
.endurance-split .loop-list li:last-child { border-bottom: 0; }
.endurance-split .loop-list h3 { font-size: 17px; letter-spacing: 0.04em; }
.endurance-split .loop-list p { font-size: 15px; line-height: 1.55; }
.endurance-split .fig { background: rgba(4, 5, 7, 0.9); border: 1px solid var(--line); padding: 10px; }
.endurance .fine { max-width: none; margin-top: 28px; background: rgba(4, 5, 7, 0.86); border: 1px solid var(--line); padding: 16px 20px; }
.test a.more { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--accent); white-space: nowrap; }
@media (max-width: 1080px) { .endurance-split { grid-template-columns: 1fr; } }
@media (max-width: 700px) {
  .endurance-fig { margin-top: 36px; padding: 6px; }
  .endurance-split .loop-list { padding: 0 16px; }
  .endurance-split .loop-list li { grid-template-columns: 1fr; gap: 6px; padding: 18px 0; }
  .endurance .lede { background: var(--glass); padding: 14px 16px; border: 1px solid var(--line); }
}

/* ---------- feasibility ---------- */
table.feas-t { min-width: 860px; font-size: 14.5px; }
table.feas-t td { color: var(--mute); vertical-align: top; }
table.feas-t td:first-child { color: var(--ink); font-weight: 500; }
.st-tag { font: 600 10px/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; padding: 6px 8px; border: 1px solid; white-space: nowrap; }
.st-ok { color: #5fd3a6; border-color: rgba(95, 211, 166, 0.55); }
.st-part { color: #f0a24a; border-color: rgba(240, 162, 74, 0.55); }
.st-gap { color: var(--accent); border-color: rgba(255, 79, 154, 0.6); }
@media (max-width: 1080px) {
  .tgrid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .test .body { padding: 20px 18px 22px; }
  .tests .lede, .feas .lede, .compare h2, .tests h2, .feas h2 { background: none; }
  .verdict { margin-left: 0; }
}

/* ---------- responsive ---------- */
@media (min-width: 1180px) { .rail { display: flex; } }
@media (max-width: 1080px) {
  .nav-links, .nav-cta { display: none; }
  .menu-btn { display: block; }
  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { padding-left: 0; border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .cols { grid-template-columns: 1fr; }
  .c + .c { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); margin-top: 28px; }
  .path { grid-template-columns: 1fr; }
  .path::before { left: 5px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .path li { padding: 0 0 30px 34px; }
  .shots { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  body { font-size: 16px; }
  .scene { align-items: flex-end; padding-block: 96px 64px; }
  .hero { padding-bottom: 120px; }
  .stats .wrap { min-height: 0; justify-content: flex-end; }
  .col, .card, .card.right { max-width: none; margin-left: 0; }
  .loops .col, .overdrive .col, .about .col, .contact .col, .card { background: var(--glass); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid var(--line); padding: 26px 22px; }
  .stat { padding-right: 12px; } .stat + .stat { padding-left: 14px; }
  .s-bottom { height: 62vh; }
  .pin .tx { font-size: 10px; }
  .ctas .btn { flex: 1 1 100%; }
}

/* ---------- phones ---------- */
.zoom { display: block; position: relative; }
.zoom::after { content: "Tap to enlarge"; position: absolute; right: 8px; bottom: 8px; font: 500 9.5px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--mute); background: rgba(0,0,0,0.72); border: 1px solid var(--line); padding: 5px 7px; opacity: 0; transition: opacity 0.3s; }
.st-m { display: none; }
.swipe { display: none; font: 500 10px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim); margin: 14px 0 -34px; }
@media (max-width: 700px) {
  .hide-sm { display: none; }
  .scene { padding-block: 88px 56px; }
  .hero { padding-bottom: 104px; }
  .hero .col { background: none; border: 0; padding: 0; }
  h1 { font-size: clamp(40px, 12vw, 56px); }
  h2 { font-size: clamp(30px, 9vw, 40px); }
  .card h2 { font-size: clamp(26px, 7.4vw, 32px); }
  .lede { font-size: 17px; }
  .card { padding: 22px 20px; }
  .card p { font-size: 15.5px; }
  .chips div { padding-right: 14px; margin-right: 14px; }
  .pin .tx { font-size: 9.5px; padding: 3px 6px; letter-spacing: 0.06em; white-space: normal; width: max-content; max-width: 40vw; top: -9px; }
  .pin .ln { width: 26px; }
  .pin .tx { left: 34px; }
  .pin.flip .tx { left: auto; right: 34px; }
  .zoom::after { opacity: 1; }
  .swipe { display: block; }
  .tests .lede, .compare .lede, .feas .lede { background: var(--glass); padding: 14px 16px; border: 1px solid var(--line); }
  /* wide tables: keep the row labels pinned while the rest scrolls */
  .table-wrap { margin-top: 40px; }
  table.cmp { min-width: 760px; font-size: 13px; }
  table.cmp th, table.cmp td, .lineage table th, .lineage table td { padding: 12px 12px; }
  table.cmp tbody th, table.cmp thead th:first-child, .lineage tbody th, .lineage thead th:first-child {
    position: sticky; left: 0; z-index: 1; background: #07090b; box-shadow: 1px 0 0 var(--line); min-width: 104px; max-width: 120px; }
  .lineage table { min-width: 560px; font-size: 14px; }
  /* feasibility: one card per system instead of a wide table */
  table.feas-t { min-width: 0; }
  table.feas-t thead { display: none; }
  table.feas-t, table.feas-t tbody, table.feas-t tr, table.feas-t td { display: block; width: 100%; }
  table.feas-t tr { padding: 18px 18px 16px; border-bottom: 1px solid var(--line); display: grid; gap: 8px; }
  table.feas-t tr:last-child { border-bottom: 0; }
  table.feas-t td { padding: 0; border: 0; font-size: 14.5px; }
  table.feas-t td:first-child { font-size: 17px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
  table.feas-t td[data-label]::before { content: attr(data-label); display: block; font: 500 10px/1.4 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim); margin-bottom: 3px; }
  table.feas-t td.st { display: none; }
  .st-m { display: inline-block; flex: none; }
  .wl { padding: 22px 20px; }
  .test h3 { font-size: 16px; }
  .readout b { font-size: 30px; }
  .mode button { padding: 16px 20px; }
  .foot-inner { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal, .js .intro, .js .headline .ln > span { opacity: 1; transform: none; transition: none; }
  .loader-mark, .track { animation: none; }
}