/* ============================================================
   NewsLiquid - official site styles (v2)
   Dark, grand default. Themes via [data-theme]: dark | ink | light
   Language via [data-lang]: en | zh
   ============================================================ */

@import url('https://api.fontshare.com/v2/css?f[]=clash-display@400,500,600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400..900&family=Geist+Mono:wght@400;500&family=Space+Grotesk:wght@500;600;700&family=Gloock&display=swap');
/* (debug-only font families for the tweaks panel were removed from the critical path) */

/* ---------- Theme tokens ---------- */
:root,
:root[data-theme="dark"] {
  --font-display: 'Gloock', 'Noto Serif SC', Georgia, serif;
  --fd-weight: 400;
  --fd-track: -0.005em;
  --font-sans:    'Geist', 'Noto Sans SC', system-ui, sans-serif;
  --font-mono:    'Geist Mono', ui-monospace, monospace;
  --bg:        #070509;
  --bg-soft:   #120d20;
  --bg-panel:  #15111f;
  --bg-elev:   #1b1628;
  --ink:       #f5f2fb;
  --ink-soft:  rgba(245,242,251,0.74);
  --muted:     rgba(245,242,251,0.52);
  --faint:     rgba(245,242,251,0.32);
  --line:      rgba(245,242,251,0.11);
  --line-soft: rgba(245,242,251,0.055);
  --accent:    #8f6bff;
  --accent-2:  #7c5cff;
  --accent-ink:#c4b2ff;
  --glow:      color-mix(in oklab, var(--accent) 50%, transparent);
  --man-particle: #7c5cff; /* manifesto canvas color; overridden per chapter */
  --up:        #54c993;
  --down:      #e07c63;
  --hero-alpha: 0.95;
  color-scheme: dark;
}

/* Make the chapter color tokens animatable so the palette shift between
   sections morphs smoothly (background, accent and glow move together)
   instead of the background fading while the accents snap. */
@property --bg         { syntax: '<color>'; inherits: true; initial-value: #070509; }
@property --bg-soft    { syntax: '<color>'; inherits: true; initial-value: #120d20; }
@property --bg-panel   { syntax: '<color>'; inherits: true; initial-value: #15111f; }
@property --bg-elev    { syntax: '<color>'; inherits: true; initial-value: #1b1628; }
@property --accent     { syntax: '<color>'; inherits: true; initial-value: #8f6bff; }
@property --accent-2   { syntax: '<color>'; inherits: true; initial-value: #7c5cff; }
@property --accent-ink { syntax: '<color>'; inherits: true; initial-value: #c4b2ff; }
:root:not([data-theme="light"]) {
  transition: --bg 1s ease-in-out, --bg-soft 1s ease-in-out, --bg-panel 1s ease-in-out,
              --bg-elev 1s ease-in-out, --accent 1s ease-in-out, --accent-2 1s ease-in-out,
              --accent-ink 1s ease-in-out;
}
@media (prefers-reduced-motion: reduce){ :root:not([data-theme="light"]) { transition: none; } }

/* ---------- Chapter palettes (scroll-driven environment color) ----------
   html[data-chapter] is set by site.js as each section crosses the viewport
   midline. Dark themes only - light theme keeps a single palette. */
:root[data-chapter="thesis"]:not([data-theme="light"]) {
  --bg: #050408; --bg-soft: #0d0916;
}
:root[data-chapter="product"]:not([data-theme="light"]) {
  /* bg kept at the neutral base so there is no color seam where product meets
     thesis/featured; the teal identity lives in the accent + panel tints */
  --bg: #070509; --bg-soft: #120d20;
  --bg-panel: #0e1d19; --bg-elev: #132721;
  --accent: #4fd1ba; --accent-2: #3bbda6; --accent-ink: #8ee8d6;
  --line: rgba(230,248,244,0.12); --line-soft: rgba(230,248,244,0.06);
}
:root[data-chapter="featured"]:not([data-theme="light"]) {
  --bg: #070509; --bg-soft: #120d20;
}
:root[data-chapter="model"]:not([data-theme="light"]) {
  /* bg kept neutral so model does not form a colored band between featured and
     how; the gold identity lives in the accent + panel tints */
  --bg: #070509; --bg-soft: #120d20;
  --bg-panel: #1a1409; --bg-elev: #221a0c;
  --accent: #d4a843; --accent-2: #c89b3c; --accent-ink: #e8c97a;
  --line: rgba(248,242,230,0.12); --line-soft: rgba(248,242,230,0.06);
}
:root[data-chapter="manifesto"]:not([data-theme="light"]) {
  --bg: #1d1153; --bg-soft: #241263;
  /* particles get their OWN variable - never hijack tokens shared by nav/buttons */
  --man-particle: #2a1763;
}

:root[data-theme="ink"] {
  --bg:        #101216;
  --bg-soft:   #161a1f;
  --bg-panel:  #1b2028;
  --bg-elev:   #222831;
  --ink:       #eef1f4;
  --ink-soft:  #b7bfc9;
  --muted:     #828c98;
  --faint:     #4e5660;
  --line:      rgba(238,241,244,0.12);
  --line-soft: rgba(238,241,244,0.06);
  --accent:    #9d88ff;
  --accent-2:  #8c76fb;
  --accent-ink:#b9a9ff;
  --up:        #54c993;
  --down:      #e07c63;
  --hero-alpha: 0.95;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg:        #ffffff;
  --bg-soft:   #f5f4f8;
  --bg-panel:  #ffffff;
  --bg-elev:   #ffffff;
  --ink:       #161320;
  --ink-soft:  #423d52;
  --muted:     #6f6a7d;
  --faint:     #a9a4b6;
  --line:      rgba(22,19,32,0.12);
  --line-soft: rgba(22,19,32,0.06);
  --accent:    #6a52e0;
  --accent-2:  #8c76fb;
  --accent-ink:#5a44c8;
  --up:        #1f8a5b;
  --down:      #cf4f3a;
  --hero-alpha: 0.55;
  color-scheme: light;
}

/* display typeface options (Tweaks: data-font) */
:root[data-font="clash"] { --font-display: 'Clash Display', 'Noto Sans SC', system-ui, sans-serif; --fd-weight: 500; --fd-track: -0.018em; }
:root[data-font="space"] { --font-display: 'Space Grotesk', 'Noto Sans SC', system-ui, sans-serif; --fd-weight: 600; --fd-track: -0.03em; }
:root[data-font="gloock"] { --font-display: 'Gloock', 'Noto Serif SC', Georgia, serif; --fd-weight: 400; --fd-track: -0.005em; }
:root[data-font="bricolage"] { --font-display: 'Bricolage Grotesque', 'Noto Sans SC', system-ui, sans-serif; --fd-weight: 600; --fd-track: -0.022em; }
:root[data-font="sora"] { --font-display: 'Sora', 'Noto Sans SC', system-ui, sans-serif; --fd-weight: 600; --fd-track: -0.032em; }
:root[data-font="unbounded"] { --font-display: 'Unbounded', 'Noto Sans SC', system-ui, sans-serif; --fd-weight: 450; --fd-track: -0.015em; }
:root[data-font="archivo"] { --font-display: 'Archivo', 'Noto Sans SC', system-ui, sans-serif; --fd-weight: 600; --fd-track: -0.012em; --fd-stretch: 122%; }
:root[data-font="schibsted"] { --font-display: 'Schibsted Grotesk', 'Noto Sans SC', system-ui, sans-serif; --fd-weight: 600; --fd-track: -0.026em; }
:root[data-font="mona"] { --font-display: 'Mona Sans', 'Noto Sans SC', system-ui, sans-serif; --fd-weight: 620; --fd-track: -0.022em; --fd-stretch: 112%; }

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: clip;
  transition: color .6s ease; /* background now morphs via the animated --bg token on :root */
}
:root.chapter-cut, :root.chapter-cut body { transition: none; } /* hard cut during long anchor jumps */
/* film grain - kills banding on large dark fields, unifies all surfaces */
body::after { content: ""; position: fixed; inset: 0; z-index: 2000; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px; opacity: 0.035; mix-blend-mode: overlay; }
:root[data-theme="light"] body::after { opacity: 0.02; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: color-mix(in oklab, var(--accent-2) 38%, transparent); }
[id] { scroll-margin-top: 96px; } /* anchors land below the floating nav capsule */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

/* ---------- Layout ---------- */
.wrap { width: min(1240px, 100% - 56px); margin-inline: auto; }
section { position: relative; }

.eyebrow {
  position: relative;
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 500; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--accent-ink); display: inline-flex; align-items: center;
}
/* the dot hangs OUTSIDE the text column so eyebrow text shares the grid edge with headings */
.eyebrow::before { content:""; position: absolute; left: -16px; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 12px 1px var(--glow); }
.eyebrow + .h-section, .eyebrow + .phead__title { margin-top: .4em; }
.sec-head--center { margin-inline: auto; text-align: center; max-width: 46ch; }

/* ---------- Type ---------- */
.serif { font-family: var(--font-display); }
h1, h2, h3 { font-family: var(--font-display); font-weight: var(--fd-weight);
  font-stretch: var(--fd-stretch, 100%);
  line-height: 1.05; letter-spacing: var(--fd-track); margin: 0; text-wrap: balance; }
:root[data-lang="zh"] h1, :root[data-lang="zh"] h2, :root[data-lang="zh"] h3 { font-weight: 600; letter-spacing: 0; }

.h-section { font-size: clamp(2.4rem, 5.4vw, 4.6rem); line-height: 1.04; letter-spacing: var(--fd-track); }
.muted { color: var(--muted); }
/* emphasis must peak BRIGHTER than the surrounding white - gradient fill;
   the accent arrives by 30% so even short words read as emphasised */
em.hl { font-style: normal;
  background: linear-gradient(100deg, #f3edff 0%, var(--accent-ink) 30%, var(--accent) 78%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent; }
:root[data-theme="light"] em.hl { background: none; color: var(--accent-ink); -webkit-text-fill-color: currentColor; }

/* ---------- Buttons - base geometry; finish via :root[data-btn]: grad(default) | lumen | beam | chip | minimal ---------- */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 0.7em;
  height: 44px; padding: 0 24px; border-radius: 8px; cursor: pointer; white-space: nowrap; border: 1px solid transparent;
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft);
  transition: color .2s ease, border-color .2s ease, background .25s ease, box-shadow .25s ease, filter .25s ease, transform .15s ease; }
.btn:active { transform: translateY(1px); }
.btn--sm { height: 36px; padding: 0 16px; font-size: 0.68rem; border-radius: 7px; }
.hero__cta .btn, .manifesto__cta .btn { height: 48px; padding: 0 28px; }

/* grad (default) - luminous accent fill: the CTA is a light source, not chrome */
.btn--primary { color: #120a2e; font-weight: 600;
  background: linear-gradient(180deg, color-mix(in oklab, var(--accent) 88%, #fff), var(--accent-2)) padding-box,
    linear-gradient(160deg, rgba(255,255,255,.85), color-mix(in oklab, var(--accent) 60%, transparent) 60%) border-box;
  box-shadow: 0 0 36px -8px var(--glow), 0 14px 34px -16px var(--glow), inset 0 1px 0 rgba(255,255,255,.35); }
.btn--primary:hover { color: #120a2e; filter: brightness(1.1);
  box-shadow: 0 0 52px -8px var(--glow), 0 18px 42px -14px var(--glow), inset 0 1px 0 rgba(255,255,255,.4); }
:root[data-theme="light"] .btn--primary { color: #fff; }
.btn--ghost { color: var(--ink-soft); border-color: var(--line);
  background: color-mix(in srgb, var(--bg-elev) 36%, transparent); }
.btn--ghost:hover { color: var(--ink); border-color: color-mix(in oklab, var(--ink) 38%, var(--line)); }

/* lumen - violet glass, luminous ring */
:root[data-btn="lumen"] .btn--primary { color: var(--accent-ink); filter: none;
  background: linear-gradient(180deg, color-mix(in oklab, var(--accent) 20%, transparent), color-mix(in oklab, var(--accent) 9%, transparent));
  border-color: color-mix(in oklab, var(--accent) 45%, var(--line));
  box-shadow: 0 0 30px -12px var(--glow), inset 0 0 22px -12px color-mix(in oklab, var(--accent) 40%, transparent); }
:root[data-btn="lumen"] .btn--primary:hover { color: var(--ink);
  border-color: color-mix(in oklab, var(--accent) 85%, var(--line));
  background: linear-gradient(180deg, color-mix(in oklab, var(--accent) 28%, transparent), color-mix(in oklab, var(--accent) 13%, transparent));
  box-shadow: 0 0 44px -12px var(--glow), inset 0 0 26px -12px color-mix(in oklab, var(--accent) 50%, transparent); }

/* beam - machined keycap with a live accent beam on its lower edge */
:root[data-btn="beam"] .btn { border-radius: 7px; }
:root[data-btn="beam"] .btn--primary { color: var(--ink); filter: none; overflow: hidden;
  background: var(--bg-elev); border-color: color-mix(in oklab, var(--ink) 14%, transparent);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 10px 26px -16px rgba(0,0,0,.8); }
:root[data-btn="beam"] .btn--primary::after { content: ""; position: absolute; left: 16%; right: 16%; bottom: 0; height: 2px; border-radius: 2px;
  background: var(--accent); box-shadow: 0 0 14px 1px var(--glow);
  transition: left .3s ease, right .3s ease; }
:root[data-btn="beam"] .btn--primary:hover::after { left: 7%; right: 7%; }
:root[data-btn="beam"] .btn--ghost { background: color-mix(in srgb, var(--bg-elev) 50%, transparent); }

/* chip - the product's order-chip outline */
:root[data-btn="chip"] .btn { border-radius: 6px; }
:root[data-btn="chip"] .btn--primary { color: var(--accent-ink); filter: none;
  background: color-mix(in oklab, var(--accent) 8%, transparent);
  border-color: color-mix(in oklab, var(--accent) 55%, transparent); box-shadow: none; }
:root[data-btn="chip"] .btn--primary:hover { color: var(--ink); border-color: var(--accent);
  background: color-mix(in oklab, var(--accent) 18%, transparent); box-shadow: 0 0 26px -8px var(--glow); }
:root[data-btn="chip"] .btn--ghost { background: transparent; }

/* minimal - no chrome at all: mono command + glowing baseline */
:root[data-btn="minimal"] .btn { border: 0; background: none; box-shadow: none; padding: 0 6px; border-radius: 0; filter: none; }
:root[data-btn="minimal"] .btn::after { content: ""; position: absolute; left: 6px; right: 6px; bottom: 7px; height: 1.5px;
  background: currentColor; opacity: .3; transition: opacity .25s ease; }
:root[data-btn="minimal"] .btn--primary { color: var(--accent-ink); }
:root[data-btn="minimal"] .btn--primary::after { opacity: .95; background: var(--accent); box-shadow: 0 0 10px var(--glow); }
:root[data-btn="minimal"] .btn:hover { color: var(--ink); }

/* ---------- Nav - floating glass capsule (the page's foreground layer) ---------- */
.nav { position: fixed; top: 14px; left: 50%; transform: translateX(-50%); z-index: 80;
  width: min(1140px, calc(100% - 32px));
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 9px 10px 9px 20px; border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 66%, transparent);
  -webkit-backdrop-filter: blur(20px) saturate(1.4); backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 12px 40px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.06);
  transition: background .4s ease, box-shadow .4s ease; }
:root[data-theme="light"] .nav { border-color: rgba(22,19,32,0.1); box-shadow: 0 12px 40px rgba(22,19,32,0.12); }
.nav[data-stuck="true"] { background: color-mix(in srgb, var(--bg) 82%, transparent);
  box-shadow: 0 18px 50px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.07); }
.nav .btn--primary { border-radius: 999px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); }
.brand__mark { width: 30px; height: 30px; color: var(--accent-2); filter: drop-shadow(0 0 14px var(--glow)); }
.brand__mark svg { width: 100%; height: 100%; }
.brand__name { font-family: var(--font-sans); font-size: 1.2rem; letter-spacing: -0.015em; font-weight: 500; }
.brand__name b { font-weight: 700; }
.nav__links { display: flex; align-items: center; gap: clamp(16px, 2vw, 32px); }
.nav__links a.navlink { font-size: 0.92rem; font-weight: 500; color: var(--ink-soft); position: relative; padding: 4px 0; transition: color .2s ease; white-space: nowrap; }
.nav__links a.navlink::after { content:""; position:absolute; left:0; right:100%; bottom:0; height:1.5px; background: var(--accent); transition: right .28s ease; }
.nav__links a.navlink:hover { color: var(--ink); }
.nav__links a.navlink:hover::after { right:0; }
.nav__right { display: flex; align-items: center; gap: 14px; }
.nav__links a.navlink:focus-visible { color: var(--ink); outline-offset: 6px; }
.nav__links a.navlink:focus-visible::after { right: 0; }

/* burger (≤880px) + fullscreen menu */
.nav__burger { display: none; appearance: none; cursor: pointer; border: 0; background: transparent;
  width: 38px; height: 38px; border-radius: 50%; position: relative; }
.nav__burger span { position: absolute; left: 9px; right: 9px; height: 2px; border-radius: 2px;
  background: var(--ink); transition: transform .3s ease, top .3s ease; }
.nav__burger span:first-child { top: 14px; }
.nav__burger span:last-child { top: 22px; }
.nav__burger[aria-expanded="true"] span:first-child { top: 18px; transform: rotate(45deg); }
.nav__burger[aria-expanded="true"] span:last-child { top: 18px; transform: rotate(-45deg); }
.mnav { position: fixed; inset: 0; z-index: 79; display: flex; flex-direction: column;
  justify-content: center; align-items: center; gap: 8px; text-align: center;
  background: linear-gradient(180deg, color-mix(in srgb, var(--bg) 92%, #fff 0%), var(--bg));
  -webkit-backdrop-filter: blur(24px); backdrop-filter: blur(24px);
  opacity: 0; pointer-events: none; transition: opacity .3s ease; }
.mnav.open { opacity: 1; pointer-events: auto; }
.mnav__links { display: flex; flex-direction: column; gap: 6px; }
.mnav__links a { font-family: var(--font-display); font-size: clamp(2rem, 9vw, 2.8rem); line-height: 1.5;
  color: var(--ink-soft); transition: color .2s ease; }
.mnav__links a:hover, .mnav__links a:focus-visible { color: var(--ink); }
.mnav__cta { margin-top: 28px; }
@media (max-width: 880px){
  .nav__links .navlink { display:none; }
  .nav__burger { display: block; }
}

/* ---------- Hero ---------- */
/* first screen = headline (flexible) + proof numbers (bottom-anchored), based.one pattern */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; overflow: hidden; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: var(--hero-alpha); pointer-events: none; }
.hero__veil { position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(140% 120% at 50% 8%, transparent 34%, var(--bg) 92%),
              radial-gradient(70% 52% at 50% 52%, color-mix(in oklab, var(--accent) 20%, transparent), transparent 72%); }
.hero__art { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; pointer-events: none; }
.hero__grid { display: grid; grid-template-columns: 1fr; align-items: center; }
.hero__copy { text-align: left; max-width: 720px; }
.hero__title { font-family: var(--font-display); font-weight: var(--fd-weight); margin: 0;
  font-size: clamp(3.2rem, 8.5vw, 8rem); line-height: 0.98; letter-spacing: var(--fd-track); }
.hero__title em { font-style: normal;
  background: linear-gradient(100deg, #f3edff 0%, var(--accent-ink) 45%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent; }
:root[data-theme="light"] .hero__title em { background: none; color: var(--accent-ink); -webkit-text-fill-color: currentColor; }
.hero__kicker { margin-bottom: clamp(20px, 3.2vh, 32px); }
:root[data-lang="zh"] .hero__title { letter-spacing: 0; font-weight: 600; line-height: 1.08; }
.hero__sub { margin: 28px 0 0; max-width: 40ch;
  font-size: clamp(1.05rem, 1.5vw, 1.3rem); line-height: 1.55; color: var(--ink-soft); }
.hero__cta { margin-top: 40px; display: flex; align-items: center; justify-content: flex-start; gap: 14px; flex-wrap: wrap; }
/* horizontal padding resolves to the same 1240px column as .wrap - hero copy,
   CTA and the proof numbers all share one left edge */
.hero__inner { position: relative; z-index: 3; width: 100%; flex: 1 1 auto;
  display: flex; align-items: center;
  padding: 110px max(clamp(24px,5vw,60px), calc((100% - 1240px) / 2)) 40px; }
.hero__inner > .hero__grid { width: 100%; }
@media (max-width: 900px){
  .hero__inner { align-items: flex-end; padding-bottom: 60px; }
  .hero__copy { text-align: center; margin-inline: auto; }
  .hero__sub { margin-inline: auto; }
  .hero__cta { justify-content: center; }
}
.hero__scroll { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--faint); z-index: 4; display: flex; flex-direction: column; align-items: center; gap: 9px; }
.hero__scroll .bar { width: 1px; height: 40px; background: linear-gradient(var(--faint), transparent); position: relative; overflow: hidden; }
.hero__scroll .bar::after { content:""; position:absolute; inset:0; background: var(--accent); animation: scrolldot 2.4s ease-in-out infinite; }
@keyframes scrolldot { 0%{transform:translateY(-100%)} 60%,100%{transform:translateY(100%)} }

/* ---------- Section frame ---------- */
.band { padding: clamp(80px, 11vh, 150px) 0; }
/* feather the lifted "soft" band into the body color at top and bottom so it
   reads as a tonal swell, not a hard-edged panel between sections */
.band--soft { background: linear-gradient(180deg,
  var(--bg) 0%, var(--bg-soft) 15%, var(--bg-soft) 85%, var(--bg) 100%); }
.band--tight { padding: clamp(70px, 9vh, 120px) 0; }
/* chapter top-light: every section carries its own ambient tint */
.band::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 46%; pointer-events: none;
  background: radial-gradient(90% 60% at 50% 0%, color-mix(in oklab, var(--accent) 9%, transparent), transparent 65%); }
.band > .wrap { position: relative; z-index: 1; }
.sec-head { max-width: 34ch; margin-bottom: clamp(40px, 6vh, 70px); }
.sec-head.wide { max-width: 40ch; }
.sec-head .eyebrow { margin-bottom: 22px; }
.sec-head .lede { margin-top: 0.7em; max-width: 46ch; }

/* ---------- Sticky scroll scene (thesis) ---------- */
.scene { position: relative; }
.scene__sticky { position: sticky; top: 0; height: 100svh; display: flex; align-items: center; overflow: hidden; }
.scene__grid { position: relative; z-index: 3; width: min(1240px, 100% - 56px); margin-inline: auto;
  display: grid; grid-template-columns: 1.02fr 0.98fr; gap: clamp(30px, 5vw, 80px); align-items: center; }
.scene__text { position: relative; min-height: 46vh; }
.scene__rail { display: flex; align-items: center; gap: 14px; margin-bottom: 28px;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.scene__rail .dots { display: flex; gap: 8px; }
.scene__rail .dot { width: 7px; height: 7px; border-radius: 50%; border: 1px solid var(--faint); transition: all .4s ease; }
.scene__rail .dot.on { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 10px var(--glow); }
.scene__steps { position: relative; min-height: 42vh; }
.scene__step { position: absolute; inset: 0; opacity: 0; transform: translateY(26px); transition: opacity .5s ease, transform .5s ease; pointer-events: none; }
.scene__step.on { opacity: 1; transform: none; }
.scene__no { font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.12em; color: var(--accent-ink); margin-bottom: 16px; }
.scene__step h3 { font-size: clamp(1.8rem, 3.8vw, 3rem); margin-bottom: 0.35em; }
.scene__step .kicker { display:block; font-family:var(--font-mono); font-size: 0.8rem; letter-spacing:0.1em; color: var(--muted); margin-bottom: 0.9em; }
.scene__step p { font-size: clamp(1.05rem, 1.5vw, 1.3rem); color: var(--ink-soft); max-width: 34ch; margin: 0; line-height: 1.5; }
.scene__viz { position: relative; width: min(100%, 600px); margin-inline: auto; }
.scene__viz svg { width: 100%; height: 100%; overflow: visible; }
/* thesis finale: particles frame the screenshot - ambient backlight + hairline ring + floating chip,
   the same integration language as the product showcase (sized by JS) */
.scene__shot { position: absolute; left: 0; top: 0; width: 10px; height: 10px; z-index: 5;
  opacity: 0; pointer-events: none; will-change: opacity; }
.scene__shot .shot-glow { position: absolute; left: -6%; top: -4%; width: 112%; height: 116%;
  object-fit: cover; border-radius: 48px;
  filter: blur(48px) saturate(1.45); opacity: 0.5; }
.scene__shot .shot-frame { position: absolute; inset: 0; border-radius: clamp(10px, 1vw, 18px); overflow: hidden;
  background: #07060c;
  box-shadow: 0 60px 120px -50px rgba(0,0,0,.92), 0 24px 60px -30px rgba(0,0,0,.7), 0 0 90px -30px var(--glow); }
.scene__shot .shot-frame::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.07), inset 0 1px 0 rgba(255,255,255,.13); }
.scene__shot .shot-frame img { width: 100%; height: 100%; object-fit: cover; object-position: top left; display: block; }
.scene__halo { position: absolute; inset: 0; z-index: 4; pointer-events: none; }
.scene__yr { position: absolute; top: clamp(86px, 12vh, 130px); left: 0; right: 0; z-index: 3; text-align: center;
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.2em; color: var(--accent-ink); }

/* progressive era timeline (Anthropic-style cumulative rail) */
.scene__tl { position: absolute; top: clamp(74px, 11vh, 116px); left: 50%; transform: translateX(-50%);
  width: min(1240px, 100% - 56px); z-index: 5; text-align: center; pointer-events: none; }
.scene__tl-year { font-family: var(--font-mono); font-size: clamp(1.3rem, 2.8vw, 2.2rem);
  letter-spacing: 0.14em; color: var(--accent-ink); margin-bottom: 28px; }
.scene__tl-rail { position: relative; height: 2px; background: var(--line); border-radius: 2px; }
.scene__tl-fill { position: absolute; left: 0; top: 0; height: 100%; width: 0; border-radius: 2px;
  background: linear-gradient(90deg, color-mix(in oklab, var(--accent) 35%, transparent), var(--accent));
  box-shadow: 0 0 14px var(--glow); transition: width .08s linear; }
.scene__tl-dot { position: absolute; top: 1px; width: 9px; height: 9px; border-radius: 50%;
  background: var(--bg-soft); border: 1.5px solid var(--faint); transform: translate(-50%,-50%); transition: all .4s ease; }
.scene__tl-dot::after { content: attr(data-label); position: absolute; top: 15px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.05em; color: var(--muted); white-space: nowrap; transition: color .3s ease; }
.scene__tl-dot.on { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 12px var(--glow); }
.scene__tl-dot.on::after { color: var(--accent-ink); }
.scene__tl-marker { position: absolute; top: 1px; left: 0; width: 13px; height: 13px; border-radius: 50%;
  background: var(--accent); transform: translate(-50%,-50%); box-shadow: 0 0 18px 2px var(--glow); transition: left .08s linear; }
@media (prefers-reduced-motion: reduce){ .scene__tl-fill, .scene__tl-marker { transition: none; } }
@media (max-width: 920px){
  .scene__grid { grid-template-columns: 1fr; }
  .scene__viz { grid-row: 1; width: min(74%, 360px); }
  .scene__text { min-height: 26vh; }
}

/* morphing line-art: stroked paths flow between forms; colors crossfade */
.scene__viz path { will-change: d; }

/* ---------- How it works ---------- */
#how { padding-top: clamp(56px, 7vh, 90px); }
#how .sec-head { margin-bottom: clamp(22px, 3.5vh, 38px); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 26px); }
.step { border: 1px solid transparent; border-radius: 20px; padding: clamp(22px,2.4vw,30px);
  background: linear-gradient(var(--bg-panel), var(--bg-panel)) padding-box,
    linear-gradient(160deg, rgba(255,255,255,.18), color-mix(in oklab, var(--accent) 38%, transparent) 40%, transparent 78%) border-box;
  box-shadow: 0 30px 60px -40px #000, inset 0 1px 0 rgba(255,255,255,.07); }
.step__art { margin-bottom: 20px; }
.step__art svg { width: 100%; height: 100%; overflow: visible; }
.step__no { font-family:var(--font-mono); font-size:0.76rem; letter-spacing:0.14em; color: var(--accent-ink); margin-bottom: 12px; }
.step h3 { font-size: 1.35rem; margin-bottom: 0.45em; }
.step p { color: var(--muted); font-size: 1.0rem; margin: 0; }
@media (max-width: 820px){ .steps { grid-template-columns: 1fr; } }

/* ---------- Empower split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(34px, 6vw, 90px); align-items: center; }
.contrast { display: grid; gap: 14px; margin-top: 30px; }
.cc { padding: 18px 20px; border-radius: 16px; border: 1px solid var(--line); }
.cc.good { border-color: color-mix(in oklab, var(--accent) 40%, var(--line)); background: color-mix(in oklab, var(--accent-2) 9%, transparent); }
.cc .lbl { font-family:var(--font-mono); font-size:0.7rem; letter-spacing:0.12em; text-transform:uppercase; margin-bottom: 6px; display: inline-flex; align-items:center; gap:7px; }
.cc.bad .lbl { color: var(--down); } .cc.good .lbl { color: var(--accent-ink); }
.cc p { margin:0; font-size:0.98rem; color: var(--ink-soft); }
.split__viz { width: min(100%, 460px); margin-inline:auto; }
.split__viz svg { width:100%; height:100%; overflow: visible; }
@media (max-width: 860px){ .split { grid-template-columns: 1fr; } }

/* ---------- Manifesto - the one full-violet inversion of the page ---------- */
.manifesto { padding: clamp(150px,24vh,280px) 0; position: relative; overflow: hidden; text-align: center;
  background: radial-gradient(130% 130% at 50% 30%, #8b5cf6 0%, #5b34e8 52%, #241263 100%); }
/* feather both edges - the violet field never butts against near-black with a hard seam */
.manifesto::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 170px; z-index: 2;
  pointer-events: none; background: linear-gradient(180deg, #0a0712, transparent); }
.manifesto::after { content: ""; position: absolute; inset: auto 0 0 0; height: 170px; z-index: 2;
  pointer-events: none; background: linear-gradient(180deg, transparent, #0a0712); }
.manifesto__canvas { position:absolute; inset:0; opacity:0.55; pointer-events:none; }
.manifesto__veil { position:absolute; inset:0; pointer-events:none;
  background: radial-gradient(90% 80% at 50% 40%, transparent 42%, rgba(23,10,60,0.5) 96%); }
.manifesto .wrap { position: relative; z-index: 3; }
.manifesto .eyebrow { color: #ece4ff; }
.manifesto .eyebrow::before { background: #fff; box-shadow: 0 0 12px 1px rgba(255,255,255,.6); }
.manifesto .eyebrow + h2 { margin-top: .5em; }
.manifesto h2 { font-size: clamp(2.6rem,6.2vw,5.8rem); line-height: 1.02; letter-spacing: var(--fd-track);
  max-width: 16ch; margin-inline:auto; color: #fff; }
/* no faux italic - Gloock has no italic axis; the deep-ink color IS the emphasis */
.manifesto em.hl { background: none; -webkit-text-fill-color: currentColor; color: #160a3d; }
.manifesto__cta { margin-top: 46px; display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.manifesto .btn--primary { color:#fff; filter:none;
  background: linear-gradient(180deg, #1c1040, #120a2e) padding-box,
    linear-gradient(160deg, rgba(255,255,255,.5), rgba(255,255,255,.12) 60%) border-box;
  box-shadow: 0 24px 60px -22px rgba(8,4,24,.9), inset 0 1px 0 rgba(255,255,255,.18); }
.manifesto .btn--primary:hover { filter: brightness(1.2); }
.manifesto .btn--ghost { color:#fff; border-color: rgba(255,255,255,.42); background: rgba(255,255,255,.06); }
.manifesto .btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.12); }

/* ---------- Footer ---------- */
.footer { padding: clamp(64px,8vh,100px) 0 44px; background: var(--bg); position: relative; }
.footer__top { display:grid; grid-template-columns: 1.6fr repeat(3,1fr); gap: 40px; }
.footer__brand .brand { margin-bottom: 18px; }
.footer__brand p { color: var(--muted); max-width: 32ch; font-size: 0.96rem; }
.footer__col h4 { font-family:var(--font-mono); font-size:0.7rem; letter-spacing:0.12em; text-transform:uppercase; color: var(--faint); font-weight:500; margin:0 0 16px; }
.footer__col a { display:block; color: var(--ink-soft); font-size: 0.95rem; padding: 6px 0; transition: color .2s ease; }
.footer__col a:hover { color: var(--accent-ink); }
.footer__bottom { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-top: clamp(40px,6vh,70px); padding-top: 24px; flex-wrap:wrap; }
.footer__bottom small { color: var(--muted); font-size: 0.82rem; font-family:var(--font-mono); }
.footer__social a { width:38px;height:38px;border:1px solid var(--line); border-radius:8px; display:grid;place-items:center; color: var(--ink-soft); transition: all .2s ease; }
.footer__social a:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-2px); }
@media (max-width: 820px){ .footer__top { grid-template-columns: 1fr 1fr; } .footer__brand { grid-column: 1/-1; } }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"]{transition-delay:.09s} .reveal[data-d="2"]{transition-delay:.18s} .reveal[data-d="3"]{transition-delay:.27s}
@media (prefers-reduced-motion: reduce){ .reveal { opacity:1!important; transform:none!important; } }

.mono { font-family:var(--font-mono); }

/* ============================================================
   SVG animation suite (hero loop · thesis morph
   · step icons · empower rings)
   ============================================================ */
@keyframes nlspin   { to { transform: rotate(360deg); } }
@keyframes nldraw   { from { stroke-dashoffset: 100; } to { stroke-dashoffset: 0; } }
@keyframes nlgrow   { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes nlpulse  { 0%,100% { transform: scale(1); } 50% { transform: scale(1.4); } }
@keyframes nlring   { 0% { transform: scale(0.5); opacity: 0.7; } 70%,100% { transform: scale(1.9); opacity: 0; } }
@keyframes nlflow   { to { stroke-dashoffset: -10; } }
@keyframes nlripple { 0% { transform: scale(0.3); opacity: 0; } 8% { opacity: 0.85; } 100% { transform: scale(3.6); opacity: 0; } }
@keyframes nlburst  { 0% { transform: scale(0.2); opacity: 0.8; } 70%,100% { transform: scale(1); opacity: 0; } }

/* ---------- Hero loop backdrop ---------- */
.hero-guide { fill: none; stroke: var(--line); stroke-width: 0.35; }
.hero-guide.dash { stroke-dasharray: 1.2 3.2; opacity: 0.7; }
@media (prefers-reduced-motion: no-preference){
  .hero-guide.dash { transform-box: view-box; transform-origin: 50% 50%; animation: nlspin 90s linear infinite; }
}

/* ---------- Thesis scroll-morph ---------- */
.scene__viz svg { aspect-ratio: 1; height: auto; }

/* ---------- Step icons ---------- */
.step__art svg.stepicon { width: 100%; height: 104px; overflow: visible; }
.stepicon .si-draw, .stepicon .si-ring, .stepicon .si-check { fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.stepicon .si-ring { stroke-width: 3.4; }
.stepicon .si-check { stroke: var(--accent-ink); stroke-width: 4; }
.stepicon .si-base { stroke: var(--line); stroke-width: 2.5; stroke-linecap: round; }
.stepicon .si-bar--hi { fill: var(--accent); }
.stepicon .si-bar--lo { fill: color-mix(in oklab, var(--accent) 26%, var(--bg-elev)); }
.stepicon .si-pulse { fill: var(--accent-2); }
.stepicon .si-pulsering { fill: none; stroke: var(--accent); stroke-width: 1.4; opacity: 0.5; }
@media (prefers-reduced-motion: no-preference){
  .step.reveal.in .si-draw,
  .step.reveal.in .si-ring { stroke-dasharray: 100; animation: nldraw 1s cubic-bezier(.4,0,.2,1) .25s both; }
  .step.reveal.in .si-check { stroke-dasharray: 100; animation: nldraw .6s ease-out .95s both; }
  .step.reveal.in .si-bar { transform-box: fill-box; transform-origin: 50% 100%; animation: nlgrow .9s cubic-bezier(.2,.7,.2,1) .3s both; }
  .step.reveal.in .si-bar--lo { animation-delay: .5s; }
  .step.reveal.in .si-pulse { transform-box: fill-box; transform-origin: center; animation: nlpulse 2.6s ease-in-out 1.2s infinite; }
  .step.reveal.in .si-pulsering { transform-box: fill-box; transform-origin: center; animation: nlring 2.6s ease-out 1.2s infinite; }
}

/* ---------- Empower rings ---------- */
#empower-rings { width: 100%; height: auto; aspect-ratio: 1; overflow: visible; }
#empower-rings .er-grid { fill: none; stroke: var(--line); stroke-width: 0.3; }
#empower-rings .er-grid.dash { stroke-dasharray: 1 3; }
#empower-rings .er-axis { stroke: var(--line-soft); stroke-width: 0.3; }
#empower-rings .er-core { fill: var(--accent-2); }
#empower-rings .er-corehalo { fill: color-mix(in oklab, var(--accent) 30%, transparent); }
#empower-rings .er-pulse { fill: none; stroke: var(--accent); stroke-width: 0.8; opacity: 0; transform-box: view-box; transform-origin: 50% 50%; }
#empower-rings .er-orbit { transform-box: view-box; transform-origin: 50% 50%; }
#empower-rings .er-orbit circle { fill: var(--accent-ink); }
@media (prefers-reduced-motion: no-preference){
  #empower-rings .er-pulse { animation: nlripple 6.4s cubic-bezier(.2,.6,.3,1) infinite; animation-delay: var(--pd, 0s); }
  #empower-rings .er-orbit { animation: nlspin 46s linear infinite; }
  #empower-rings .er-grid.dash { transform-box: view-box; transform-origin: 50% 50%; animation: nlspin 80s linear infinite reverse; }
  #empower-rings .er-corehalo { transform-box: view-box; transform-origin: 50% 50%; animation: nlpulse 4s ease-in-out infinite; }
}
@media (prefers-reduced-motion: reduce){
  #empower-rings .er-pulse { opacity: 0.28; transform: scale(var(--ps, 1)); }
  .scene__viz .ts-ripple { opacity: 0.28; transform: scale(var(--ps, 1)); }
}

/* ---------- Thesis: 5 authored scenes (scroll crossfade) ---------- */
@keyframes nltwinkle { 0%,100% { opacity: 0.1; } 50% { opacity: 0.85; } }
@keyframes nljit { 0%,100% { transform: translate(0,0); } 25% { transform: translate(0.6px,-0.4px); } 50% { transform: translate(-0.5px,0.3px); } 75% { transform: translate(0.3px,0.5px); } }
@keyframes nlflicker { 0%,88%,100% { opacity: 0.12; } 91%,96% { opacity: 0.7; } }
@keyframes nlblink { 0%,100% { opacity: 0.25; } 50% { opacity: 1; } }
.scene__viz .tscene { opacity: 0; transform-box: view-box; transform-origin: 50% 50%; will-change: opacity, transform; }
.ts-frame { fill: none; stroke: var(--line); stroke-width: 0.35; }
.ts-frame.dash { stroke-dasharray: 1.2 3.2; opacity: 0.7; }
.ts-noisedots circle { fill: var(--accent-2); opacity: 0.5; }
.ts-jag { fill: none; stroke: color-mix(in oklab, var(--accent) 42%, var(--line)); stroke-width: 0.45; opacity: 0.6; stroke-linejoin: round; }
.ts-base { stroke: var(--line); stroke-width: 0.5; }
.ts-bar { fill: color-mix(in oklab, var(--accent) 45%, var(--bg-elev)); }
.ts-bar.hi { fill: var(--accent); }
.ts-eq { fill: none; stroke: var(--accent-ink); stroke-width: 0.8; stroke-linejoin: round; stroke-linecap: round; }
.ts-fall { stroke: var(--down); }
.ts-falldot { fill: var(--down); opacity: 0.9; }
.ts-boxback { fill: none; stroke: var(--line); stroke-width: 0.5; }
.ts-box { fill: var(--bg-elev); stroke: var(--muted); stroke-width: 0.6; }
.ts-in { fill: none; stroke: var(--accent-ink); stroke-width: 0.6; stroke-dasharray: 2 4; opacity: 0.7; }
.ts-crack { fill: none; stroke: var(--accent); stroke-width: 0.4; opacity: 0.12; stroke-linejoin: round; }
.ts-boxdot { fill: var(--accent-2); opacity: 0.35; }
.ts-spokes line { stroke: var(--accent); stroke-width: 0.5; opacity: 0.55; stroke-linecap: round; }
.scene__viz .ts-ripple { fill: none; stroke: var(--accent); stroke-width: 0.8; opacity: 0; transform-box: view-box; transform-origin: 50% 50%; }
.ts-sats circle { fill: var(--accent-ink); }
.ts-sats { transform-box: view-box; transform-origin: 50% 50%; }
.ts-amphalo { fill: color-mix(in oklab, var(--accent) 30%, transparent); }
.ts-ampcore { fill: var(--accent-2); }
@media (prefers-reduced-motion: no-preference){
  .ts-noisedots circle { animation: nltwinkle var(--td, 3s) ease-in-out var(--tdel, 0s) infinite; }
  .ts-jag { animation: nljit 0.8s steps(1) infinite; }
  .tscene.on .ts-bar { transform-box: fill-box; transform-origin: 50% 100%; animation: nlgrow .7s cubic-bezier(.2,.7,.2,1) both; }
  .tscene.on .ts-bar:nth-of-type(2) { animation-delay: .07s; }
  .tscene.on .ts-bar:nth-of-type(3) { animation-delay: .14s; }
  .tscene.on .ts-bar:nth-of-type(4) { animation-delay: .21s; }
  .tscene.on .ts-bar:nth-of-type(5) { animation-delay: .28s; }
  .tscene.on .ts-bar:nth-of-type(6) { animation-delay: .35s; }
  .tscene.on .ts-eq { stroke-dasharray: 100; animation: nldraw .9s ease .2s both; }
  .tscene.on .ts-eq.ts-fall { animation-duration: .4s; animation-delay: 1.05s; }
  .tscene.on .ts-falldot { animation: nlblink 1.6s ease-in-out 1.45s infinite; }
  .ts-in { animation: nlflow 1.2s linear infinite; }
  .ts-crack { animation: nlflicker 3.4s linear infinite; }
  .ts-boxdot { animation: nlblink 3s ease-in-out infinite; }
  .tscene.on .ts-spokes line { stroke-dasharray: 100; animation: nldraw .7s ease both; }
  .tscene.on .ts-spokes line:nth-of-type(2n) { animation-delay: .12s; }
  .tscene.on .ts-spokes line:nth-of-type(3n) { animation-delay: .22s; }
  .tscene.on .ts-ripple { animation: nlripple 5.2s cubic-bezier(.2,.6,.3,1) infinite; animation-delay: var(--pd, 0s); }
  .ts-sats { animation: nlspin 32s linear infinite; }
  .ts-amphalo { transform-box: view-box; transform-origin: 50% 50%; animation: nlpulse 3.6s ease-in-out infinite; }
}

/* ============================================================
   Product showcase - sticky scroll-driven tabs + agent demo
   ============================================================ */
.pstick { position: relative; }
.pstick__sticky { position: sticky; top: 0; min-height: 100svh; display: flex; align-items: center;
  padding: 92px 0 38px; overflow: hidden; }
.phead { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px 28px;
  flex-wrap: wrap; margin-bottom: 38px; }
.phead__title { font-size: clamp(2rem, 3.4vw, 3.2rem); line-height: 1.04; margin: 0.3em 0 0; letter-spacing: var(--fd-track); }
.phead__kicker { display: block; margin-top: 12px; font-family: var(--font-mono); font-size: 0.66rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); min-height: 1.2em; }
.pshow { width: min(100%, calc((100svh - 380px) * 1.75)); margin-inline: auto; margin-top: 30px; }
@media (max-width: 900px){
  .pstick__sticky { padding-top: 80px; }
  .phead { align-items: flex-start; flex-direction: column; }
}
/* tabs - the terminal's own tab pattern: mono uppercase text, glowing accent underline on the
   active view (MARKET / LIMIT · PRICE LINE / CANDLESTICK, as in the product) */
.ptabs { display: inline-flex; align-items: center; gap: clamp(18px, 2.4vw, 34px);
  max-width: 100%; overflow-x: auto; }
.ptab { position: relative; appearance: none; border: 0; border-radius: 0; cursor: pointer; background: transparent;
  height: 42px; padding: 0 2px; display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
  white-space: nowrap; transition: color .25s ease; }
.ptab::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--accent); box-shadow: 0 0 12px var(--glow);
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease; }
.ptab:hover { color: var(--ink); }
.ptab.on { color: var(--ink); }
.ptab.on::after { transform: scaleX(1); }
.ptab__tag { font-family: var(--font-mono); font-size: 0.56rem; font-weight: 500; letter-spacing: 0.1em;
  color: var(--accent-ink); border: 1px solid color-mix(in oklab, var(--accent) 38%, var(--line)); border-radius: 2px; padding: 2px 7px; }
.ptab.on .ptab__tag { color: var(--accent-ink); border-color: color-mix(in oklab, var(--accent) 50%, transparent); }

/* app frame - chrome-less product slab on an ambient backlight */
.pframe { position: relative; }
.pframe__ambient { position: absolute; inset: -4% -6% -14%; z-index: 0; pointer-events: none;
  filter: blur(58px) saturate(1.45); opacity: 0.48; }
:root[data-theme="light"] .pframe__ambient { opacity: 0.3; }
.pframe__ambient img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  border-radius: 56px; opacity: 0; transition: opacity .7s ease; }
.pframe__ambient img.on { opacity: 1; }
.pframe__chip { position: absolute; z-index: 6; top: 0; left: 50%; transform: translate(-50%,-50%);
  display: inline-flex; align-items: center; gap: 16px; padding: 9px 20px; border-radius: 9px;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: 0 16px 38px -18px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.1), 0 0 30px -14px var(--glow); }
.pframe__url { display: inline-flex; align-items: center; gap: 2px;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }
.pframe__url b { font-weight: 500; color: var(--accent-ink); }
.pframe__live { display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.16em; color: var(--accent-ink); }
.pframe__live i { width: 6px; height: 6px; border-radius: 50%; background: var(--up); box-shadow: 0 0 8px var(--up); }
@media (prefers-reduced-motion: no-preference){ .pframe__live i { animation: nlblink 2s ease-in-out infinite; } }

.pframe__view { position: relative; z-index: 1; aspect-ratio: 3340 / 1906; overflow: hidden;
  border-radius: clamp(12px, 1.3vw, 22px); background: #07060c; container-type: inline-size;
  box-shadow: 0 90px 160px -70px rgba(0,0,0,.92), 0 34px 64px -38px rgba(0,0,0,.7), 0 0 110px -36px var(--glow); }
.pframe__view::after { content: ""; position: absolute; inset: 0; z-index: 5; border-radius: inherit; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.07), inset 0 1px 0 rgba(255,255,255,.13); }
/* visibility keeps hidden panes out of hit-testing, tab order and the a11y tree */
.ppane { position: absolute; inset: 0; opacity: 0; pointer-events: none; visibility: hidden;
  transition: opacity .5s ease, visibility 0s .5s; }
.ppane.on { opacity: 1; pointer-events: auto; visibility: visible; transition-delay: 0s, 0s; }
.ppane > img.shot { width: 100%; height: 100%; object-fit: cover; object-position: top left; }
/* the Live board is wider (2.108) - letterbox it inside the fixed frame so every tab reads the same size */
.ppane[data-pane="live"] > img.shot { object-fit: contain; object-position: center; }

/* captions under frame - hidden captions must not hijack clicks on the visible deep link */
.pcaps { position: relative; margin-top: 20px; min-height: 1.8em; text-align: center; }
.pcap { position: absolute; inset: 0; margin: 0 auto; max-width: 72ch; opacity: 0; visibility: hidden;
  pointer-events: none; transition: opacity .45s ease, visibility 0s .45s;
  font-size: 0.98rem; color: var(--muted); }
.pcap.on { opacity: 1; visibility: visible; pointer-events: auto; transition-delay: 0s, 0s; }
.pcap b { color: var(--ink-soft); font-weight: 600; }

/* ---------- Agent demo pane ---------- */
.ppane--agent .agentbg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top left;
  filter: brightness(.42) saturate(.85); }
.ppane--agent::before { content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, color-mix(in oklab, var(--bg) 55%, transparent) 0%, transparent 60%); }
.agentpanel { position: absolute; inset: 0 auto 0 0; z-index: 2; width: 37cqw; min-width: 240px;
  display: flex; flex-direction: column; padding: 1.5cqw 1.7cqw;
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
.agentpanel__head { display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding-bottom: 1cqw; margin-bottom: 1.2cqw;
  font-family: var(--font-mono); font-size: clamp(7px, 0.82cqw, 12px); letter-spacing: 0.14em; }
.agentpanel__title { display: inline-flex; align-items: center; gap: 0.7em; color: var(--accent-ink); }
.agentpanel__title .pulse { width: 0.55cqw; height: 0.55cqw; min-width: 4px; min-height: 4px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px var(--glow); }
@media (prefers-reduced-motion: no-preference){ .agentpanel__title .pulse { animation: nlblink 2.2s ease-in-out infinite; } }
.agentpanel__mcp { color: var(--faint); }
.agentlog { display: flex; flex-direction: column; gap: 1.05cqw; flex: 1; min-height: 0; }
.al { opacity: 0; transform: translateY(8px); transition: opacity .45s ease, transform .45s ease; }
.al.on { opacity: 1; transform: none; }
.al__who { display: block; font-family: var(--font-mono); font-size: clamp(6px, 0.68cqw, 10px);
  letter-spacing: 0.16em; color: var(--faint); margin-bottom: 0.35cqw; }
.al p { margin: 0; font-size: clamp(8px, 1.08cqw, 15px); line-height: 1.5; color: var(--ink-soft); }
.al--user p { color: var(--ink); font-weight: 500; }
.al--sys { font-family: var(--font-mono); font-size: clamp(7px, 0.82cqw, 12px); color: var(--muted); }
.al--event { border: 1px solid color-mix(in oklab, var(--down) 36%, var(--line)); border-radius: 0.9cqw;
  background: color-mix(in oklab, var(--down) 7%, transparent); padding: 0.9cqw 1cqw; }
.al__eventtop { display: flex; align-items: center; gap: 0.8cqw; margin-bottom: 0.5cqw;
  font-family: var(--font-mono); font-size: clamp(7px, 0.8cqw, 12px); }
.al__eventtop .score { font-weight: 500; color: var(--bg); background: var(--down); border-radius: 0.4cqw; padding: 0.1cqw 0.5cqw; }
.al__eventtop .tag { color: var(--down); letter-spacing: 0.12em; }
.al__eventtop .tkr { margin-left: auto; color: var(--down); }
.al--event p { font-size: clamp(7.5px, 0.96cqw, 13.5px); color: var(--ink-soft); }
.al--act { display: flex; gap: 0.8cqw; }
.abtn { appearance: none; cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  height: 2.7cqw; min-height: 22px; padding: 0 1.6cqw; border-radius: 4px;
  font-family: var(--font-mono); font-size: clamp(6.5px, 0.78cqw, 11px); font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft); border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 32%, transparent); }
.abtn--go { color: var(--accent-ink);
  background: color-mix(in oklab, var(--accent) 16%, transparent);
  border-color: color-mix(in oklab, var(--accent) 46%, var(--line));
  box-shadow: 0 0 14px -6px var(--glow); }
.al--done { font-family: var(--font-mono); font-size: clamp(7px, 0.85cqw, 12.5px); color: var(--up); }
/* the compliance line is information, not decoration - readable size + muted, never faint */
.agentpanel__foot { margin-top: auto; padding-top: 1cqw;
  font-family: var(--font-mono); font-size: clamp(10px, 0.8cqw, 12px); letter-spacing: 0.08em; color: var(--muted); }
@media (max-width: 720px){
  .agentpanel { width: 52cqw; }
  .agentpanel__foot { display: none; }
}

/* ============================================================
   Responsive hardening - phones, tablets, short & wide screens
   ============================================================ */
@media (max-width: 1100px){
  .scene__grid { gap: 26px; }
}
@media (max-width: 720px){
  body { font-size: 16px; }
  .wrap { width: calc(100% - 40px); }
  .nav { top: 10px; padding: 7px 8px 7px 16px; gap: 10px; }
  .brand__name { font-size: 1.22rem; }
  .hero__inner { padding-bottom: 100px; }
  .hero__cta .btn, .manifesto__cta .btn { height: 44px; padding: 0 22px; }
  /* product showcase - mobile drops the scroll-scrub entirely: tap tabs, natural flow,
     full screenshots letterboxed (a cropped corner of a terminal proves nothing) */
  .pstick__sticky { position: static; min-height: 0; padding: 72px 0 24px; }
  .phead { margin-bottom: 14px; gap: 12px; }
  .phead__title { font-size: 1.6rem; }
  .ptabs { width: 100%; scrollbar-width: none; }
  .ptabs::-webkit-scrollbar { display: none; }
  .ptab { padding: 0 2px; height: 36px; font-size: 0.62rem; }
  .pshow { width: 100%; }
  .pframe__view { aspect-ratio: auto; }
  .ppane { position: relative; inset: auto; display: none; opacity: 1; visibility: visible; }
  .ppane.on { display: block; }
  .ppane > img.shot { width: 100%; height: auto; object-fit: contain; object-position: center; }
  .ppane[data-pane="live"] > img.shot { object-fit: contain; }
  .pframe__chip { gap: 10px; padding: 7px 14px; }
  .pframe__url { font-size: 0.6rem; }
  .pframe__live { display: none; }
  .pcaps { margin-top: 12px; min-height: 3em; }
  .pcap { font-size: 0.82rem; }
  /* agent demo becomes a native full-width conversation card */
  .ppane--agent .agentbg { display: none; }
  .ppane--agent::before { display: none; }
  .agentpanel { position: static; width: 100%; min-width: 0; padding: 16px 14px;
    background: var(--bg-panel); border-radius: 12px;
    -webkit-backdrop-filter: none; backdrop-filter: none; }
  .agentpanel__head { padding-bottom: 8px; margin-bottom: 10px; font-size: 10px; }
  .agentlog { gap: 10px; }
  .al p { font-size: 13px; }
  .al__who { font-size: 9px; }
  .al--sys { font-size: 11px; }
  .al--event { padding: 10px 12px; border-radius: 8px; }
  .al--event p { font-size: 12px; }
  .al__eventtop { font-size: 10px; gap: 8px; }
  .al--act { gap: 8px; }
  .abtn { height: 26px; padding: 0 12px; font-size: 10px; }
  .al--done { font-size: 11px; }
  .agentpanel__foot { display: block; font-size: 10px; }
  .footer__top { gap: 26px; }
}
@media (max-width: 460px){
  .phead__title { font-size: 1.3rem; }
  .ptab { font-size: 0.58rem; gap: 5px; }
  .ptab__tag { display: none; }
  .scene__step h3 { font-size: 1.7rem; }
}
/* short viewports (small laptops, landscape phones) */
@media (max-height: 640px){
  .pstick__sticky { padding-top: 64px; }
  .phead { margin-bottom: 12px; }
  .phead__title { font-size: 1.35rem; }
  .pshow { width: min(100%, calc((100svh - 270px) * 1.75)); }
  .pcaps { margin-top: 10px; }
  .pcap { font-size: 0.82rem; }
  .scene__steps { min-height: 50vh; }
}
@media (max-height: 480px){
  .pcaps { display: none; }
}
/* ---------- Canvas art (hero mark + thesis particles) ---------- */
#hero-art { display: block; }
.step__art canvas { width: 100%; height: 116px; display: block; }
#empower-art { width: 100%; aspect-ratio: 1; height: auto; display: block; }
.scene__viz canvas { width: 118%; max-width: none; margin-left: -9%; aspect-ratio: 1; height: auto; display: block; }

/* ---------- Hero brand mark + thesis v3 additions ---------- */
@keyframes nlmarkin { from { opacity: 0; transform: scale(0.93); } to { opacity: 1; transform: scale(1); } }
@keyframes nlmarkring { 0% { transform: scale(1); opacity: 0.65; } 70%,100% { transform: scale(2.5); opacity: 0; } }
@keyframes nlscan { 0%,100% { transform: translateY(0); } 50% { transform: translateY(24px); } }
#hero-sea { overflow: visible; }
#hero-sea .mark__blur { fill: #8c76fb; opacity: 0.45; }
#hero-sea .mark__geo { transform-box: fill-box; transform-origin: center; transition: opacity 1.2s cubic-bezier(.2,.7,.2,1), transform 1.2s cubic-bezier(.2,.7,.2,1); }
#hero-sea .mark__pulse { fill: none; stroke: #a99aff; stroke-width: 4; opacity: 0; transform-box: fill-box; transform-origin: center; }
.ts-grid { stroke: var(--line-soft); stroke-width: 0.35; }
.ts-wick { stroke: color-mix(in oklab, var(--accent) 38%, var(--line)); stroke-width: 0.5; }
.ts-bar { opacity: 0.85; }
.ts-bar.dn { fill: color-mix(in oklab, var(--down) 60%, var(--bg-elev)); }
.ts-dial { fill: none; stroke: var(--line); stroke-width: 0.3; stroke-dasharray: 0.5 2.6; }
.ts-scan { stroke: var(--accent); stroke-width: 0.4; opacity: 0.3; }
.ts-out { fill: none; stroke: var(--muted); stroke-width: 0.5; stroke-dasharray: 0.8 4.2; opacity: 0.35; }
@media (prefers-reduced-motion: no-preference){
  #hero-sea .mark__pulse { animation: nlmarkring 3.4s ease-out 1.4s infinite; }
  .ts-scan { animation: nlscan 3.2s ease-in-out infinite; }
  .tscene.on .ts-bar:nth-of-type(7) { animation-delay: .42s; }
  .tscene.on .ts-bar:nth-of-type(8) { animation-delay: .49s; }
  .tscene.on .ts-bar:nth-of-type(9) { animation-delay: .56s; }
  .tscene.on .ts-bar:nth-of-type(10) { animation-delay: .63s; }
  .tscene.on .ts-wick { stroke-dasharray: 100 100; stroke-dashoffset: 100; animation: nldraw .6s ease .5s both; }
}

/* ============================================================
   The Model - proprietary scorer + public leaderboard
   ============================================================ */
.modelgrid { display: grid; grid-template-columns: 0.94fr 1.06fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.model__name { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 34px 0 16px; }
.model__name code { font-family: var(--font-mono); font-size: clamp(1.05rem, 1.5vw, 1.3rem); font-weight: 500; color: var(--ink); }
.model__name .tag { font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-ink); padding: 5px 11px; border-radius: 4px;
  background: color-mix(in oklab, var(--accent) 15%, transparent); }
.model__desc { margin: 0; font-size: clamp(1rem, 1.3vw, 1.15rem); line-height: 1.6; color: var(--ink-soft); max-width: 44ch; }
.model__facts { display: flex; flex-direction: column; gap: clamp(18px, 2.6vh, 28px); margin-top: clamp(28px, 4vh, 44px); }
.mfact { display: grid; grid-template-columns: minmax(118px, auto) 1fr; gap: 22px; align-items: baseline; }
.mfact__big { font-family: var(--font-display); font-weight: var(--fd-weight); font-stretch: var(--fd-stretch, 100%); font-size: clamp(1.6rem, 2.5vw, 2.2rem); line-height: 1; letter-spacing: var(--fd-track); color: var(--ink); white-space: nowrap; }
.mfact__big em { font-style: normal; color: var(--accent-ink); }
.mfact__body h4 { font-family: var(--font-sans); font-size: 0.95rem; font-weight: 600; color: var(--ink); margin: 0 0 3px; }
.mfact__body p { margin: 0; font-size: 0.92rem; line-height: 1.5; color: var(--muted); max-width: 40ch; }
.model__link { display: inline-flex; align-items: center; gap: 10px; margin-top: clamp(26px, 4vh, 40px);
  font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.04em; color: var(--accent-ink); transition: color .2s ease; }
.model__link:hover { color: var(--ink); }

.board { position: relative; border-radius: 22px; padding: clamp(20px, 2.2vw, 30px); border: 1px solid transparent;
  background: linear-gradient(color-mix(in srgb, var(--bg-panel) 86%, transparent), color-mix(in srgb, var(--bg-panel) 86%, transparent)) padding-box,
    linear-gradient(160deg, rgba(255,255,255,.2), color-mix(in oklab, var(--accent) 42%, transparent) 42%, transparent 80%) border-box;
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  box-shadow: 0 60px 110px -70px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.08), 0 0 80px -44px var(--glow); }
.board__head { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; margin-bottom: 14px; padding: 0 14px; }
.board__title { font-family: var(--font-sans); font-size: 1.02rem; font-weight: 600; color: var(--ink); }
.board__sort { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.lb { display: flex; flex-direction: column; gap: 3px; }
.lbrow { display: grid; grid-template-columns: 2em minmax(0,1fr) 4.6em 4.2em 5.6em; gap: clamp(8px, 1vw, 16px); align-items: center;
  padding: 8px 14px; border-radius: 11px; font-family: var(--font-mono); font-size: clamp(0.7rem, 0.92vw, 0.84rem); color: var(--ink-soft); }
.lbrow--head { padding-top: 0; padding-bottom: 6px; font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.lbrow .r { text-align: right; }
.lbrow .rank { color: var(--muted); }
.lbrow .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lbrow .score { color: var(--ink); }
.lbrow .acc, .lbrow .lat { color: var(--muted); }
.lbrow.ours { background: color-mix(in oklab, var(--accent) 11%, transparent); }
.lbrow.ours .rank, .lbrow.ours .name { color: var(--accent-ink); font-weight: 500; }
.board__foot { display: flex; justify-content: space-between; gap: 12px; margin-top: 14px; padding: 0 14px;
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.08em; color: var(--faint); }
@media (max-width: 960px){
  .modelgrid { grid-template-columns: 1fr; gap: 44px; }
  .board__head, .board__foot { padding: 0 10px; }
  .lbrow { padding: 7px 10px; }
}
@media (max-width: 460px){
  /* accuracy stays - 85.2% is the page's core claim; latency already leads the statband */
  .lbrow { grid-template-columns: 1.6em minmax(0,1fr) 4.2em 4.2em; }
  .lbrow .lat { display: none; }
  .board__head { flex-direction: column; align-items: flex-start; gap: 3px; }
}

/* ============================================================
   v3 additions - proof band · featured market · finale · watermark
   ============================================================ */

/* ---------- Proof band: real numbers, bottom of the first screen ---------- */
.statband { padding: clamp(36px, 5vh, 64px) 0 clamp(72px, 10vh, 120px); position: relative; }
/* inside the hero: bottom-anchored row, scaled to share the screen with the headline */
.hero .statband { z-index: 3; padding: 0 0 clamp(22px, 3.5vh, 44px); }
.hero .statband::before { display: none; }
.hero .bigstat__num { font-size: clamp(2.4rem, 4.6vw, 4.2rem); }
.hero .bigstat__lbl { margin-top: 8px; font-size: 0.88rem; max-width: 30ch; }
.hero .statband__foot { margin-top: clamp(16px, 2.2vh, 26px); }
@media (max-width: 820px){
  .hero .statband__grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  /* numbers keep a SHORT label - a bare figure is decoration, not proof */
  .hero .bigstat__lbl { display: none; }
  .hero .bigstat__s { display: block; }
  .hero .statband__foot { display: none; }
}
@media (max-width: 560px){
  .hero .bigstat__num { font-size: 1.6rem; }
}
.statband::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 60%; pointer-events: none;
  background: radial-gradient(70% 70% at 50% 0%, color-mix(in oklab, var(--accent) 7%, transparent), transparent 70%); }
.statband .wrap { position: relative; z-index: 1; }
.statband__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(28px, 4vw, 64px); }
.bigstat__num { font-family: var(--font-sans); font-weight: 800; font-variant-numeric: tabular-nums;
  font-size: clamp(3.2rem, 6.6vw, 5.6rem); line-height: 1; letter-spacing: -0.035em; color: var(--ink);
  display: flex; align-items: baseline; }
.bigstat__num .u { color: var(--accent-ink); font-weight: 700; font-size: 0.5em; margin-left: 0.1em; letter-spacing: -0.01em; }
.bigstat__num .u--lead { margin-left: 0; margin-right: 0.06em; }
.bigstat__lbl { margin-top: 14px; color: var(--muted); font-size: 0.95rem; line-height: 1.5; max-width: 26ch; }
.bigstat__s { display: none; margin-top: 8px; font-family: var(--font-mono); font-size: 0.6rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
/* contains product codenames - never force a case transform on data strings */
.statband__foot { margin-top: clamp(28px, 4vh, 44px); font-family: var(--font-mono); font-size: 0.66rem;
  letter-spacing: 0.08em; color: var(--muted); }
@media (max-width: 820px){
  .statband__grid { grid-template-columns: 1fr; gap: 30px; }
  .bigstat__lbl { margin-top: 8px; }
}

/* ---------- Featured market - pick a side (YES/NO) ---------- */
.fmkt { padding: clamp(48px, 7vh, 84px) 0 clamp(72px, 10vh, 130px); position: relative; }
.fmkt::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 46%; pointer-events: none;
  background: radial-gradient(90% 60% at 50% 0%, color-mix(in oklab, var(--accent) 8%, transparent), transparent 65%); }
.fmkt .wrap { position: relative; z-index: 1; }
.fmkt__card { position: relative; max-width: 880px; margin-inline: auto; border-radius: 26px; border: 1px solid transparent;
  padding: clamp(26px, 3.4vw, 44px);
  background: linear-gradient(color-mix(in srgb, var(--bg-panel) 88%, transparent), color-mix(in srgb, var(--bg-panel) 88%, transparent)) padding-box,
    linear-gradient(165deg, rgba(255,255,255,.2), color-mix(in oklab, var(--accent) 36%, transparent) 42%, transparent 80%) border-box;
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: 0 80px 140px -70px rgba(0,0,0,.92), inset 0 1px 0 rgba(255,255,255,.08); }
.fmkt__top { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.fmkt__cat { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-ink); padding: 5px 11px; border: 1px solid color-mix(in oklab, var(--accent) 36%, var(--line)); border-radius: 6px; }
.fmkt__demo { font-family: var(--font-mono); font-size: 0.56rem; letter-spacing: 0.12em; color: var(--faint);
  border: 1px solid var(--line); border-radius: 3px; padding: 3px 8px; }
.fmkt__q { font-family: var(--font-display); font-weight: var(--fd-weight); font-size: clamp(1.7rem, 3.4vw, 2.8rem);
  line-height: 1.08; letter-spacing: var(--fd-track); margin: 0 0 22px; max-width: 22ch; }
.fmkt__spark { width: 100%; height: clamp(76px, 9vw, 110px); display: block; margin-top: 22px; }
.fmkt__sides { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.side:active { transform: scale(0.985); }
.side { position: relative; border-radius: 18px; padding: 22px 24px 20px; overflow: hidden;
  display: flex; align-items: baseline; gap: 14px;
  border: 1px solid; transition: transform .18s ease, box-shadow .25s ease, filter .25s ease; }
.side:hover { transform: translateY(-3px); filter: brightness(1.12); }
.side--yes { border-color: rgba(52,211,153,.34);
  background: radial-gradient(120% 90% at 50% -20%, rgba(52,211,153,.34), transparent 60%),
    linear-gradient(180deg, rgba(52,211,153,.10), rgba(52,211,153,.03)); }
.side--no { border-color: rgba(239,99,99,.3);
  background: radial-gradient(120% 90% at 50% -20%, rgba(239,99,99,.3), transparent 60%),
    linear-gradient(180deg, rgba(239,99,99,.09), rgba(239,99,99,.03)); }
.side__lbl { font-family: var(--font-sans); font-weight: 800; letter-spacing: 0.06em;
  font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1; }
.side--yes .side__lbl { color: #6ee7b7; }
.side--no .side__lbl { color: #fca5a5; }
.side__px { font-family: var(--font-mono); font-weight: 500; font-size: clamp(1.2rem, 2vw, 1.7rem); color: var(--ink); }
.side__sub { margin-left: auto; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted); }
.fmkt__foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-top: 20px; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; color: var(--muted); }
.fmkt__foot a { color: var(--accent-ink); }
.fmkt__foot a:hover { color: var(--ink); }
/* the binary stand-off survives narrow screens - stack only at the very smallest */
@media (max-width: 640px){
  .fmkt__sides { gap: 10px; }
  .side { padding: 14px 16px; gap: 10px; }
  .side__sub { display: none; }
}
@media (max-width: 360px){
  .fmkt__sides { grid-template-columns: 1fr; }
}

/* ---------- Chapter watermark (vertical, stroked) ---------- */
.watermark { position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
.watermark span { position: absolute; writing-mode: vertical-rl; font-family: var(--font-display);
  font-size: clamp(120px, 13vw, 190px); line-height: 1; white-space: nowrap; user-select: none;
  color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,0.05); }
:root[data-theme="light"] .watermark span { -webkit-text-stroke: 1px rgba(22,19,32,0.06); }
.watermark span:first-child { left: -0.18em; top: -30px; }
.watermark span:last-child { right: -0.18em; bottom: -30px; transform: rotate(180deg); }
@media (max-width: 1200px){ .watermark { display: none; } }

/* ---------- Finale - full-width wordmark sign-off (owns a whole screen) ---------- */
.finale { min-height: 88svh; display: grid; place-content: center;
  padding: clamp(60px, 10vh, 120px) 0 clamp(48px, 7vh, 90px); text-align: center; position: relative; overflow: hidden; }
.finale::before { content: ""; position: absolute; inset: auto 0 0 0; height: 70%; pointer-events: none;
  background: radial-gradient(60% 90% at 50% 100%, color-mix(in oklab, var(--accent) 12%, transparent), transparent 70%); }
.finale__word { position: relative; font-family: var(--font-display); font-weight: var(--fd-weight);
  font-size: clamp(3.4rem, 17.5vw, 17.5rem); line-height: 0.95; letter-spacing: -0.01em; color: rgba(255,255,255,0.96);
  margin: 0 auto; max-width: 100%; }
:root[data-theme="light"] .finale__word { color: rgba(22,19,32,0.94); }
/* clip animation lives on the inner span - clipping the observed element itself
   zeroes its intersection area in Chrome, so the reveal would never fire */
.finale__word.reveal { transform: none; }
.finale__word span { display: block; clip-path: inset(0 0 100% 0); transition: clip-path 1.1s cubic-bezier(.2,.7,.2,1); }
.finale__word.reveal.in span { clip-path: inset(0 0 -8% 0); }
.finale__line { position: relative; margin: 26px auto 0; color: var(--muted); font-size: clamp(0.95rem, 1.2vw, 1.1rem); }

/* pcap deep links */
.pcap__link { display: inline-block; margin-left: 10px; font-family: var(--font-mono); font-size: 0.78rem;
  letter-spacing: 0.05em; color: var(--accent-ink); white-space: nowrap; }
.pcap__link:hover { color: var(--ink); }

/* sections keep their own palette even while html[data-chapter] is mid-transition - 
   the global tokens still drive the nav/buttons, but in-section gold/teal never
   flashes back to violet as the viewport midline crosses a boundary */
#product { --accent: #4fd1ba; --accent-2: #3bbda6; --accent-ink: #8ee8d6; }
#model { --accent: #d4a843; --accent-2: #c89b3c; --accent-ink: #e8c97a; }