/* ============================================================
   ZENTURIAL — Precision Instrument Design System  v2
   Paper / Ink / Ultramarine. Technical editorial.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Archivo:ital,wdth,wght@0,62..125,100..900;1,62..125,100..900&family=Instrument+Serif:ital@0;1&family=IBM+Plex+Mono:ital,wght@0,400;0,500;1,400&display=swap');

/* ---------- Tokens ---------- */
:root {
  --paper: #f1ede3;
  --paper-2: #e9e4d6;
  --paper-3: #dfd9c8;
  --ink: #131313;
  --ink-2: #4c4a44;
  --ink-3: #8b877c;
  --rule: rgba(19, 19, 19, 0.16);
  --rule-soft: rgba(19, 19, 19, 0.08);
  --accent: #2430ff;          /* electric ultramarine */
  --accent-dim: rgba(36, 48, 255, 0.12);
  --signal: #ff4d00;          /* used only as a rare spark */

  /* Inverted (ink) sections */
  --w-paper: #f1ede3;
  --w-rule: rgba(241, 237, 227, 0.18);
  --w-rule-soft: rgba(241, 237, 227, 0.09);
  --w-dim: #9b978c;

  --font-x: 'Archivo', 'Arial Narrow', sans-serif;      /* display / UI */
  --font-s: 'Instrument Serif', Georgia, serif;         /* accents */
  --font-m: 'IBM Plex Mono', Consolas, monospace;       /* annotations */

  --container: 1440px;
  --pad: clamp(20px, 3.4vw, 56px);
  --sec: clamp(96px, 13vw, 190px);
  --nav-h: 72px;

  --e-out: cubic-bezier(0.19, 1, 0.22, 1);
  --e-io: cubic-bezier(0.83, 0, 0.17, 1);
  --dur: 1.1s;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; overflow-x: clip; scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-x);
  font-variation-settings: 'wdth' 92;
  font-size: 16.5px;
  line-height: 1.65;
  font-weight: 430;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--paper); }

img, svg, canvas, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; background: none; border: none; outline: none; border-radius: 0; }
button { cursor: pointer; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--paper-2); }
::-webkit-scrollbar-thumb { background: var(--ink-3); }
::-webkit-scrollbar-thumb:hover { background: var(--ink-2); }

/* ---------- Page atmosphere: grain + layout guides ---------- */
.grain {
  position: fixed; inset: 0; z-index: 90; pointer-events: none; opacity: 0.16;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}
.guides {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  width: min(var(--container), 100% - var(--pad) * 2);
  margin-inline: auto;
  display: flex; justify-content: space-between;
}
.guides i { width: 1px; background: var(--rule-soft); }
.guides i:nth-child(2), .guides i:nth-child(3) { display: none; }
@media (min-width: 900px) { .guides i:nth-child(2), .guides i:nth-child(3) { display: block; } }

/* ---------- HUD frame ---------- */
.hud {
  position: fixed; z-index: 950; pointer-events: none;
  font-family: var(--font-m); font-size: 10px; letter-spacing: 0.18em;
  color: var(--ink-2); text-transform: uppercase;
}
.hud--bl { left: var(--pad); bottom: 14px; }
.hud--br { right: var(--pad); bottom: 14px; text-align: right; }
.hud .acc { color: var(--accent); }
@media (max-width: 720px) { .hud { display: none; } }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-weight: 700; line-height: 0.98; letter-spacing: -0.01em; }

.t-hero {
  font-size: clamp(2.7rem, 8.6vw, 8.2rem);
  font-weight: 780;
  font-variation-settings: 'wdth' 118;
  text-transform: uppercase;
  line-height: 0.92;
  letter-spacing: -0.015em;
}
.t-xl {
  font-size: clamp(2.2rem, 5.6vw, 4.9rem);
  font-weight: 740;
  font-variation-settings: 'wdth' 114;
  text-transform: uppercase;
  line-height: 0.95;
}
.t-lg {
  font-size: clamp(1.7rem, 3.6vw, 3rem);
  font-weight: 700;
  font-variation-settings: 'wdth' 110;
  text-transform: uppercase;
  line-height: 1;
}
.t-md { font-size: clamp(1.25rem, 2vw, 1.7rem); font-weight: 640; font-variation-settings: 'wdth' 104; line-height: 1.15; }

/* Serif accent inside display type */
.t-hero em, .t-xl em, .t-lg em, .serif {
  font-family: var(--font-s);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  line-height: 0.9;
  font-variation-settings: normal;
}
.t-hero em { font-size: 1.06em; }
.acc { color: var(--accent); }

.lead {
  font-size: clamp(1.02rem, 1.35vw, 1.22rem);
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 34em;
}
.small { font-size: 0.86rem; color: var(--ink-2); }
.dim { color: var(--ink-3); }

.mono {
  font-family: var(--font-m);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
}

/* Ghost display text (outlined) */
.t-ghost {
  color: transparent;
  -webkit-text-stroke: 1px var(--rule);
  user-select: none;
}

/* ---------- Layout ---------- */
.container { width: min(var(--container), 100% - var(--pad) * 2); margin-inline: auto; position: relative; }
.sec { padding-block: var(--sec); position: relative; }
.sec--tight { padding-block: calc(var(--sec) * 0.55); }

/* Section header: index + rule + label */
.sec-head {
  display: flex; align-items: baseline; gap: 18px;
  margin-bottom: clamp(40px, 6vw, 84px);
}
.sec-head .idx { font-family: var(--font-m); font-size: 0.72rem; letter-spacing: 0.2em; color: var(--accent); white-space: nowrap; }
.sec-head .rule { flex: 1; height: 1px; background: var(--rule); position: relative; top: -4px; }
.sec-head .rule::before, .sec-head .rule::after {
  content: ''; position: absolute; top: -3px; width: 1px; height: 7px; background: var(--rule);
}
.sec-head .rule::before { left: 0; }
.sec-head .rule::after { right: 0; }
.sec-head .lab { font-family: var(--font-m); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-2); white-space: nowrap; }

.grid { display: grid; gap: clamp(18px, 2.4vw, 32px); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* Vertical side annotation */
.side-note {
  position: absolute; top: 0; right: calc(var(--pad) * -0.5);
  writing-mode: vertical-rl;
  font-family: var(--font-m); font-size: 0.64rem; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--ink-3);
}
@media (max-width: 1200px) { .side-note { display: none; } }

/* ---------- Ink (inverted) sections ---------- */
.ink {
  background: var(--ink);
  color: var(--paper);
}
.ink .lead, .ink .small { color: var(--w-dim); }
.ink .dim, .ink .sec-head .lab { color: var(--w-dim); }
.ink .sec-head .rule, .ink .sec-head .rule::before, .ink .sec-head .rule::after { background: var(--w-rule); }
.ink ::selection { background: var(--paper); color: var(--ink); }
.ink .t-ghost { -webkit-text-stroke-color: var(--w-rule); }

/* ---------- Preloader ---------- */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--ink); color: var(--paper);
  display: flex; align-items: flex-end;
  padding: var(--pad);
  transition: clip-path 1s var(--e-io) 0.15s, visibility 0s 1.2s;
  clip-path: inset(0 0 0 0);
}
.preloader.done { clip-path: inset(0 0 100% 0); visibility: hidden; }
.preloader__row { width: 100%; display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; }
.preloader__word {
  font-family: var(--font-m); font-size: 0.78rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--w-dim);
}
.preloader__pct {
  font-variation-settings: 'wdth' 120;
  font-weight: 780; font-size: clamp(4rem, 16vw, 11rem); line-height: 0.8;
}
.preloader__logo {
  position: absolute; top: var(--pad); left: var(--pad);
  font-weight: 740; font-variation-settings: 'wdth' 120; letter-spacing: 0.02em; text-transform: uppercase;
}

/* ---------- Page veil (transitions) ---------- */
.veil { position: fixed; inset: 0; z-index: 9998; pointer-events: none; }
.veil i {
  position: absolute; inset: 0;
  background: var(--ink);
  transform: translateY(101%);
}
.veil i:nth-child(2) { background: var(--accent); }
.veil .veil__mark {
  position: absolute; inset: 0; display: grid; place-items: center;
  color: var(--paper);
  font-weight: 740; font-variation-settings: 'wdth' 120; text-transform: uppercase;
  font-size: clamp(1.4rem, 4vw, 2.6rem); letter-spacing: 0.04em;
  opacity: 0; transform: translateY(24px);
}
.veil.active { pointer-events: all; }
.veil.active i:nth-child(2) { transition: transform 0.5s var(--e-io); transform: translateY(0); }
.veil.active i:nth-child(1) { transition: transform 0.5s var(--e-io) 0.09s; transform: translateY(0); }
.veil.active .veil__mark { transition: opacity 0.3s 0.4s, transform 0.5s var(--e-out) 0.4s; opacity: 1; transform: translateY(0); }
.veil.leave i { transform: translateY(0); }
.veil.leave i:nth-child(1) { transition: transform 0.6s var(--e-io) 0.05s; transform: translateY(-101%); }
.veil.leave i:nth-child(2) { transition: transform 0.6s var(--e-io) 0.16s; transform: translateY(-101%); }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 960;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background 0.4s, border-color 0.4s, transform 0.5s var(--e-out);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(241, 237, 227, 0.92);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom-color: var(--rule);
}
.nav.hidden { transform: translateY(-100%); }
.nav__inner {
  width: min(var(--container), 100% - var(--pad) * 2);
  margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav__logo {
  font-weight: 760; font-variation-settings: 'wdth' 122;
  text-transform: uppercase; font-size: 1.06rem; letter-spacing: 0.02em;
  display: flex; align-items: baseline; gap: 3px;
}
.nav__logo sup { font-family: var(--font-m); font-size: 0.5rem; color: var(--accent); font-weight: 500; }
.nav__links { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 38px); }
.nav__links a {
  font-family: var(--font-m); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-2);
  display: inline-flex; gap: 7px; align-items: baseline;
  padding: 6px 0;
  transition: color 0.3s;
}
.nav__links a i { font-style: normal; font-size: 0.56rem; color: var(--ink-3); transition: color 0.3s; }
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover i { color: var(--accent); }
.nav__links a.active { color: var(--ink); }
.nav__links a.active i { color: var(--accent); }
.nav__start {
  font-family: var(--font-m); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 11px 20px;
  position: relative; overflow: hidden;
}
.nav__start .roll { display: block; position: relative; z-index: 1; }
.nav__start:hover { color: var(--paper); }
.nav__start::before {
  content: ''; position: absolute; inset: 0; background: var(--ink);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform 0.45s var(--e-io);
}
.nav__start:hover::before { transform: scaleY(1); }

/* Burger */
.burger { display: none; width: 46px; height: 46px; position: relative; z-index: 1003; }
.burger i {
  position: absolute; left: 11px; width: 24px; height: 2px; background: currentColor;
  transition: transform 0.45s var(--e-out), top 0.45s var(--e-out), opacity 0.3s;
}
.burger i:nth-child(1) { top: 18px; }
.burger i:nth-child(2) { top: 27px; }
.burger.open i:nth-child(1) { top: 22px; transform: rotate(45deg); }
.burger.open i:nth-child(2) { top: 22px; transform: rotate(-45deg); }
body.menu-open .burger { color: var(--paper); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 999;
  background: var(--ink); color: var(--paper);
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 var(--pad);
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.7s var(--e-io);
  visibility: hidden;
}
.mobile-menu.open { clip-path: inset(0 0 0% 0); visibility: visible; }
.mobile-menu a {
  display: flex; align-items: baseline; gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--w-rule-soft);
  font-family: var(--font-s); font-style: italic;
  font-size: clamp(2.2rem, 9vw, 4rem); line-height: 1.05;
  color: var(--w-dim);
  transform: translateY(34px); opacity: 0;
  transition: transform 0.6s var(--e-out), opacity 0.5s, color 0.3s;
}
.mobile-menu.open a { transform: translateY(0); opacity: 1; }
.mobile-menu a:hover, .mobile-menu a.active { color: var(--paper); }
.mobile-menu a .idx { font-family: var(--font-m); font-style: normal; font-size: 0.7rem; letter-spacing: 0.2em; color: var(--accent); }
.mobile-menu.open a:nth-child(1) { transition-delay: 0.12s; }
.mobile-menu.open a:nth-child(2) { transition-delay: 0.18s; }
.mobile-menu.open a:nth-child(3) { transition-delay: 0.24s; }
.mobile-menu.open a:nth-child(4) { transition-delay: 0.30s; }
.mobile-menu.open a:nth-child(5) { transition-delay: 0.36s; }
@media (max-width: 900px) {
  .nav__links, .nav__start { display: none; }
  .burger { display: block; }
}

/* ---------- Buttons ---------- */
.btn {
  --bx: 50%; --by: 50%;
  position: relative;
  display: inline-flex; align-items: center; gap: 14px;
  padding: 18px 34px;
  border: 1px solid var(--ink);
  font-family: var(--font-m); font-size: 0.74rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink);
  overflow: hidden;
  transition: color 0.35s 0.05s, border-color 0.3s;
  white-space: nowrap;
}
.btn::before {
  content: ''; position: absolute;
  left: var(--bx); top: var(--by);
  width: 0; height: 0; border-radius: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: width 0.6s var(--e-out), height 0.6s var(--e-out);
}
.btn:hover::before { width: 240%; height: 620%; }
.btn:hover { color: var(--paper); }
.btn > * { position: relative; z-index: 1; }
.btn .arr { transition: transform 0.4s var(--e-out); }
.btn:hover .arr { transform: translateX(6px); }

.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid::before { background: var(--accent); }
.btn--solid:hover { color: #fff; border-color: var(--accent); }

.btn--acc { border-color: var(--accent); color: var(--accent); }
.btn--acc::before { background: var(--accent); }
.btn--acc:hover { color: #fff; }

.ink .btn { border-color: var(--paper); color: var(--paper); }
.ink .btn::before { background: var(--paper); }
.ink .btn:hover { color: var(--ink); }
.ink .btn--solid { background: var(--paper); color: var(--ink); }
.ink .btn--solid::before { background: var(--accent); }
.ink .btn--solid:hover { color: #fff; }

/* Text link with sweep underline */
.tlink {
  position: relative; display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-m); font-size: 0.74rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink); padding-bottom: 4px;
}
.tlink::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.5s var(--e-out);
}
.tlink:hover::after { transform: scaleX(1); transform-origin: left; }
.tlink .arr { transition: transform 0.35s var(--e-out); }
.tlink:hover .arr { transform: translateX(5px); }
.ink .tlink { color: var(--paper); }

/* ---------- Panels & ruled rows ---------- */
.panel {
  border: 1px solid var(--rule);
  padding: clamp(24px, 2.8vw, 42px);
  position: relative;
  background: var(--paper);
  transition: background 0.4s, color 0.4s;
}
.panel .p-idx {
  font-family: var(--font-m); font-size: 0.66rem; letter-spacing: 0.2em; color: var(--accent);
  display: block; margin-bottom: 26px;
}
.panel h3 { font-size: 1.22rem; font-variation-settings: 'wdth' 108; text-transform: uppercase; margin-bottom: 12px; }
.panel p { color: var(--ink-2); font-size: 0.95rem; }
.panel--hover:hover { background: var(--ink); color: var(--paper); }
.panel--hover:hover p { color: var(--w-dim); }
.panel--hover:hover .p-idx { color: var(--accent); }
.panel-grid { display: grid; gap: 0; border: 1px solid var(--rule); }
.panel-grid .panel { border: none; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.panel-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.panel-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.panel-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) { .panel-grid.cols-3, .panel-grid.cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .panel-grid.cols-2, .panel-grid.cols-3, .panel-grid.cols-4 { grid-template-columns: 1fr; } }

/* Editorial index list (rows) */
.index-list { border-top: 1px solid var(--rule); }
.index-row {
  display: grid;
  grid-template-columns: 70px 1.4fr minmax(0, 1fr) 40px;
  align-items: center; gap: clamp(14px, 3vw, 40px);
  padding: clamp(20px, 3vw, 34px) 8px;
  border-bottom: 1px solid var(--rule);
  position: relative;
  transition: color 0.35s, padding-left 0.45s var(--e-out);
  overflow: hidden;
  cursor: pointer;
}
.index-row::before {
  content: ''; position: absolute; inset: 0;
  background: var(--ink);
  transform: scaleY(0); transform-origin: top;
  transition: transform 0.45s var(--e-io);
  z-index: 0;
}
.index-row:hover::before { transform: scaleY(1); transform-origin: bottom; }
.index-row > * { position: relative; z-index: 1; }
.index-row:hover { color: var(--paper); padding-left: 22px; }
.index-row .ir-idx { font-family: var(--font-m); font-size: 0.7rem; letter-spacing: 0.2em; color: var(--ink-3); transition: color 0.35s; }
.index-row:hover .ir-idx { color: var(--accent); }
.index-row .ir-name { font-size: clamp(1.3rem, 3.2vw, 2.4rem); font-weight: 700; font-variation-settings: 'wdth' 112; text-transform: uppercase; line-height: 1; }
.index-row .ir-name em { font-family: var(--font-s); font-style: italic; font-weight: 400; text-transform: none; }
.index-row .ir-note { font-size: 0.85rem; color: var(--ink-2); max-width: 300px; transition: color 0.35s; }
.index-row:hover .ir-note { color: var(--w-dim); }
.index-row .ir-arr { font-size: 1.3rem; opacity: 0; transform: translateX(-12px); transition: opacity 0.35s, transform 0.45s var(--e-out); }
.index-row:hover .ir-arr { opacity: 1; transform: none; color: var(--accent); }
@media (max-width: 780px) {
  .index-row { grid-template-columns: 48px 1fr; }
  .index-row .ir-note, .index-row .ir-arr { display: none; }
}

/* ---------- Stats: odometer readouts ---------- */
.stat {
  border-left: 1px solid var(--rule);
  padding-left: clamp(16px, 1.8vw, 28px);
}
.stat__value {
  font-weight: 780; font-variation-settings: 'wdth' 118;
  font-size: clamp(2.6rem, 5.6vw, 4.8rem);
  line-height: 0.9; letter-spacing: -0.02em;
  display: flex; align-items: baseline;
}
.stat__value .suf { font-size: 0.42em; margin-left: 4px; color: var(--accent); font-variation-settings: 'wdth' 100; }
.stat__label { margin-top: 14px; font-size: 0.88rem; color: var(--ink-2); max-width: 240px; line-height: 1.5; }
.stat__src { margin-top: 8px; font-family: var(--font-m); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); }
.ink .stat { border-left-color: var(--w-rule); }
.ink .stat__label { color: var(--w-dim); }
.ink .stat__src { color: var(--w-dim); opacity: 0.7; }

/* Odometer digits */
.odo { display: inline-flex; overflow: hidden; }
.odo .odo-col { display: inline-block; height: 0.9em; overflow: hidden; }
.odo .odo-strip {
  display: flex; flex-direction: column;
  transition: transform 1.6s var(--e-io);
  transition-delay: var(--od, 0s);
  transform: translateY(0);
}
.odo .odo-strip span { display: block; height: 0.9em; line-height: 0.9; }

/* ---------- Marquee ---------- */
.marquee {
  overflow: clip;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding-block: clamp(14px, 2vw, 26px);
  position: relative;
}
.marquee__track {
  display: flex; gap: 0; width: max-content;
  will-change: transform;
}
.marquee__item {
  display: flex; align-items: baseline; gap: clamp(24px, 3vw, 48px);
  padding-right: clamp(24px, 3vw, 48px);
  white-space: nowrap;
  font-size: clamp(1.8rem, 4.6vw, 4rem);
  font-weight: 760; font-variation-settings: 'wdth' 116;
  text-transform: uppercase; line-height: 1;
}
.marquee__item em { font-family: var(--font-s); font-style: italic; font-weight: 400; text-transform: none; }
.marquee__item .sep { font-family: var(--font-m); font-size: 0.5em; color: var(--accent); }
.marquee--ghost .marquee__item { color: transparent; -webkit-text-stroke: 1px var(--ink-2); }
.marquee--ghost .marquee__item .sep { color: var(--accent); -webkit-text-stroke: 0; }
.ink .marquee { border-color: var(--w-rule); }
.ink .marquee--ghost .marquee__item { -webkit-text-stroke-color: var(--w-dim); }

/* ---------- Animation primitives (JS adds .in) ---------- */
[data-anim] { will-change: transform, opacity; }
[data-anim="fade"] { opacity: 0; transform: translateY(34px); transition: opacity 0.9s var(--e-out), transform 0.9s var(--e-out); transition-delay: var(--d, 0s); }
[data-anim="fade"].in { opacity: 1; transform: none; }
[data-anim="draw"] { opacity: 0; transition: opacity 0.4s; }
[data-anim="draw"].in { opacity: 1; }

/* line splitting */
.l-mask { display: block; overflow: hidden; padding-bottom: 0.09em; margin-bottom: -0.09em; }
.l-line {
  display: block;
  transform: translateY(112%) rotate(0.8deg);
  transform-origin: left top;
  transition: transform 1.15s var(--e-io);
  transition-delay: calc(var(--li) * 0.09s + var(--d, 0s));
}
[data-anim].in .l-line, .in > .l-mask .l-line { transform: none; }

/* char splitting */
.c-mask { display: inline-block; overflow: clip; vertical-align: top; padding-bottom: 0.1em; margin-bottom: -0.1em; }
.ch {
  display: inline-block;
  transform: translateY(118%);
  transition: transform 0.9s var(--e-io);
  transition-delay: calc(var(--ci) * 0.016s + var(--d, 0s));
}
[data-anim].in .ch { transform: none; }

/* rule draw */
.rline { height: 1px; background: var(--rule); transform: scaleX(0); transform-origin: left; transition: transform 1.5s var(--e-io); }
.rline.in { transform: scaleX(1); }
.ink .rline { background: var(--w-rule); }

/* velocity skew targets */
[data-skew] { will-change: transform; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-top: var(--nav-h);
  padding-bottom: clamp(30px, 5vh, 70px);
  position: relative;
  overflow: clip;
}
.hero-sub {
  min-height: 74svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-top: calc(var(--nav-h) + 40px);
  padding-bottom: clamp(30px, 5vh, 64px);
  position: relative;
  overflow: clip;
  border-bottom: 1px solid var(--rule);
}
.hero__canvas, .circuit {
  position: absolute; inset: 0; z-index: -1;
}
.hero__topline {
  display: flex; justify-content: space-between; gap: 20px;
  font-family: var(--font-m); font-size: 0.68rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-2);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 14px; margin-bottom: clamp(28px, 5vh, 64px);
}
.hero__topline .acc { color: var(--accent); }
.hero h1 { position: relative; }
.hero__foot {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end;
  gap: 28px;
  margin-top: clamp(30px, 5.5vh, 64px);
  padding-top: 26px;
  border-top: 1px solid var(--rule);
}
.hero__readouts { display: flex; gap: clamp(24px, 4vw, 64px); flex-wrap: wrap; }
.hero__readouts .r b {
  display: flex; align-items: baseline;
  font-size: clamp(1.5rem, 2.6vw, 2.3rem); font-weight: 760; font-variation-settings: 'wdth' 116; line-height: 1;
}
.hero__readouts .r b .suf { font-size: 0.5em; color: var(--accent); margin-left: 2px; }
.hero__readouts .r > span { display: block; margin-top: 6px; font-family: var(--font-m); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Pinned scenes ---------- */
.pin { position: relative; }
.pin__sticky {
  position: sticky; top: 0;
  height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  overflow: clip;
}

/* horizontal scroll rail inside a pin */
.hrail { display: flex; gap: clamp(20px, 2.6vw, 40px); width: max-content; will-change: transform; align-items: stretch; }
.hcard {
  width: clamp(300px, 34vw, 520px);
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: clamp(26px, 2.6vw, 44px);
  display: flex; flex-direction: column; gap: 18px;
  min-height: clamp(360px, 52vh, 520px);
  position: relative;
  transition: background 0.4s, color 0.4s;
}
.hcard:hover { background: var(--ink); color: var(--paper); }
.hcard:hover .hc-body { color: var(--w-dim); }
.hcard:hover .hc-stat .stat__src { color: var(--w-dim); }
.hcard .hc-top { display: flex; justify-content: space-between; font-family: var(--font-m); font-size: 0.66rem; letter-spacing: 0.2em; color: var(--accent); }
.hcard .hc-name { font-size: clamp(1.5rem, 2.4vw, 2.2rem); font-weight: 720; font-variation-settings: 'wdth' 112; text-transform: uppercase; line-height: 0.98; }
.hcard .hc-name em { font-family: var(--font-s); font-style: italic; font-weight: 400; text-transform: none; }
.hcard .hc-body { color: var(--ink-2); font-size: 0.93rem; flex: 1; }
.hcard .hc-stat { border-top: 1px solid var(--rule); padding-top: 16px; }
.hcard .hc-stat b { font-size: 1.7rem; font-weight: 760; font-variation-settings: 'wdth' 114; }
.hcard:hover .hc-stat { border-top-color: var(--w-rule); }
.hcard .tlink { margin-top: 10px; }
.hcard:hover .tlink { color: var(--paper); }

/* Fallback: hrail becomes vertical on touch/small */
@media (max-width: 860px) {
  .pin--h { height: auto !important; }
  .pin--h .pin__sticky { position: static; height: auto; }
  .hrail { flex-direction: column; width: 100%; }
  .hcard { width: 100%; min-height: 0; }
}

/* ---------- Method scrub scene ---------- */
.method { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(32px, 5vw, 90px); align-items: center; }
@media (max-width: 860px) { .method { grid-template-columns: 1fr; } }
.method__numwrap {
  position: relative; overflow: hidden;
  font-weight: 780; font-variation-settings: 'wdth' 120;
  font-size: clamp(9rem, 26vw, 24rem); line-height: 0.8; letter-spacing: -0.04em;
  color: transparent; -webkit-text-stroke: 1.5px var(--ink);
}
.method__numwrap .mn { position: absolute; inset: 0; opacity: 0; transform: translateY(40%); transition: opacity 0.5s, transform 0.7s var(--e-out); }
.method__numwrap .mn:first-child { position: relative; }
.method__steps { position: relative; }
.method__step { position: absolute; inset: 0; opacity: 0; transform: translateY(30px); transition: opacity 0.45s, transform 0.6s var(--e-out); pointer-events: none; }
.method__step:first-child { position: relative; }
.method__step .mono { color: var(--accent); display: block; margin-bottom: 16px; }
.method__step h3 { font-size: clamp(1.6rem, 3vw, 2.6rem); font-variation-settings: 'wdth' 112; text-transform: uppercase; margin-bottom: 16px; }
.method__step h3 em { font-family: var(--font-s); font-style: italic; font-weight: 400; text-transform: none; }
.method__step p { color: var(--ink-2); max-width: 480px; }
.method__step .tag { display: inline-block; margin-top: 18px; font-family: var(--font-m); font-size: 0.64rem; letter-spacing: 0.18em; text-transform: uppercase; border: 1px solid var(--rule); padding: 7px 14px; color: var(--ink-2); }
[data-step="0"] .mn:nth-child(1), [data-step="0"] .method__step:nth-child(1),
[data-step="1"] .mn:nth-child(2), [data-step="1"] .method__step:nth-child(2),
[data-step="2"] .mn:nth-child(3), [data-step="2"] .method__step:nth-child(3),
[data-step="3"] .mn:nth-child(4), [data-step="3"] .method__step:nth-child(4) {
  opacity: 1; transform: none; pointer-events: auto;
}
.method__bar { height: 1px; background: var(--rule); margin-top: clamp(28px, 5vh, 56px); position: relative; }
.method__bar i {
  position: absolute; left: 0; top: 0; height: 100%; width: 100%;
  background: var(--accent);
  transform: scaleX(var(--p, 0)); transform-origin: left;
}

/* ---------- Quotes ---------- */
.quote {
  border-top: 1px solid var(--rule);
  padding-top: clamp(22px, 3vw, 36px);
}
.quote blockquote {
  font-family: var(--font-s); font-style: italic;
  font-size: clamp(1.3rem, 2vw, 1.8rem); line-height: 1.35;
  color: var(--ink);
}
.quote .who { margin-top: 22px; display: flex; align-items: baseline; gap: 12px; }
.quote .who b { font-family: var(--font-m); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 500; }
.quote .who span { font-family: var(--font-m); font-size: 0.64rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }
.ink .quote { border-top-color: var(--w-rule); }
.ink .quote blockquote { color: var(--paper); }
.ink .quote .who span { color: var(--w-dim); }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--rule); }
.faq-item button {
  width: 100%; display: flex; align-items: baseline; justify-content: space-between; gap: 22px;
  padding: clamp(20px, 2.6vw, 30px) 2px;
  text-align: left;
  font-size: clamp(1.05rem, 1.7vw, 1.45rem);
  font-weight: 640; font-variation-settings: 'wdth' 106; text-transform: uppercase;
  transition: color 0.3s, padding-left 0.4s var(--e-out);
}
.faq-item button:hover { color: var(--accent); padding-left: 12px; }
.faq-item .faq-x {
  flex: none; font-family: var(--font-m); font-size: 0.9rem; color: var(--ink-3);
  transition: transform 0.5s var(--e-out), color 0.3s;
}
.faq-item.open .faq-x { transform: rotate(45deg); color: var(--accent); }
.faq-item .faq-x::before { content: '+'; }
.faq-item .faq-body { max-height: 0; overflow: hidden; transition: max-height 0.6s var(--e-io); }
.faq-item .faq-body p { padding: 0 2px 30px; color: var(--ink-2); max-width: 720px; }

/* ---------- Tables ---------- */
.vs-wrap { overflow-x: auto; }
.vs-table { width: 100%; min-width: 640px; border-collapse: collapse; }
.vs-table th, .vs-table td {
  padding: 18px 20px; text-align: left;
  border-bottom: 1px solid var(--rule);
  font-size: 0.94rem;
}
.vs-table thead th {
  font-family: var(--font-m); font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 500;
  border-bottom: 1px solid var(--ink);
}
.vs-table td:first-child { color: var(--ink-2); }
.vs-table .good { color: var(--accent); font-weight: 640; }
.vs-table .bad { color: var(--ink-3); }

/* ---------- Giant CTA ---------- */
.cta-giant {
  display: block;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: clamp(48px, 9vw, 130px) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-giant .cg-line {
  position: relative; z-index: 1;
  font-size: clamp(2.2rem, 7.2vw, 7rem);
  font-weight: 760; font-variation-settings: 'wdth' 116; text-transform: uppercase;
  line-height: 1; letter-spacing: -0.01em;
  transition: color 0.4s;
}
.cta-giant .cg-line em { font-family: var(--font-s); font-style: italic; font-weight: 400; text-transform: none; }
.cta-giant .cg-sub {
  position: relative; z-index: 1;
  margin-top: 18px;
  font-family: var(--font-m); font-size: 0.7rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--ink-2);
  transition: color 0.4s;
}
.cta-giant::before {
  content: ''; position: absolute; inset: 0;
  background: var(--accent);
  transform: translateY(101%);
  transition: transform 0.55s var(--e-io);
}
.cta-giant:hover::before { transform: translateY(0); }
.cta-giant:hover .cg-line, .cta-giant:hover .cg-sub { color: #fff; }

/* ---------- Footer ---------- */
.footer {
  background: var(--ink); color: var(--paper);
  padding-top: clamp(56px, 8vw, 110px);
  position: relative; overflow: clip;
}
.footer__grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  padding-bottom: clamp(48px, 7vw, 90px);
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__grid { grid-template-columns: 1fr; } }
.footer h5 { font-family: var(--font-m); font-size: 0.64rem; font-weight: 500; letter-spacing: 0.24em; text-transform: uppercase; color: var(--w-dim); margin-bottom: 22px; }
.footer .f-link {
  display: block; padding: 6px 0;
  color: var(--paper); opacity: 0.75;
  font-size: 0.95rem;
  transition: opacity 0.3s, padding-left 0.35s var(--e-out);
}
.footer .f-link:hover { opacity: 1; padding-left: 10px; color: var(--paper); }
.footer .brand-blurb { color: var(--w-dim); font-size: 0.94rem; max-width: 320px; margin-top: 16px; }
.footer__logo { font-weight: 760; font-variation-settings: 'wdth' 122; text-transform: uppercase; font-size: 1.1rem; }
.footer__logo sup { font-family: var(--font-m); font-size: 0.5rem; color: var(--accent); }
.footer__wordmark {
  font-weight: 800; font-variation-settings: 'wdth' 125;
  font-size: clamp(3.6rem, 13.5vw, 12.5rem);
  line-height: 0.78; letter-spacing: -0.02em; text-transform: uppercase;
  text-align: center;
  color: transparent; -webkit-text-stroke: 1px var(--w-rule);
  user-select: none; white-space: nowrap;
  transform: translateY(0.1em);
}
.footer__base {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px;
  border-top: 1px solid var(--w-rule-soft);
  padding: 22px 0 26px;
  font-family: var(--font-m); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--w-dim);
}
.footer__base a:hover { color: var(--paper); }

/* ---------- Forms ---------- */
.field { position: relative; margin-bottom: clamp(22px, 3vw, 34px); }
.field label {
  display: block;
  font-family: var(--font-m); font-size: 0.64rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-2); margin-bottom: 10px;
}
.field input, .field textarea, .field select {
  width: 100%;
  padding: 12px 2px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
  font-size: 1.05rem;
  transition: border-color 0.3s;
  background: transparent;
}
.field select { cursor: pointer; appearance: none; }
.field select option { background: var(--paper); color: var(--ink); }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-3); }
.field input:focus, .field textarea:focus, .field select:focus { border-bottom-color: var(--accent); }
.field::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.5s var(--e-out);
}
.field:focus-within::after { transform: scaleX(1); }
.field.err input, .field.err textarea { border-bottom-color: var(--signal); }
.field .err-msg { display: none; font-family: var(--font-m); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--signal); margin-top: 8px; }
.field.err .err-msg { display: block; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  padding: 10px 18px;
  border: 1px solid var(--rule);
  font-family: var(--font-m); font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-2);
  transition: all 0.3s var(--e-out);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.on { background: var(--ink); border-color: var(--ink); color: var(--paper); }
a.chip:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.form-success { display: none; text-align: center; padding: clamp(40px, 6vw, 80px) 16px; }
.form-success.show { display: block; animation: fsIn 0.7s var(--e-out); }
@keyframes fsIn { from { opacity: 0; transform: translateY(24px); } }
.form-success .ok-ring {
  width: 84px; height: 84px; margin: 0 auto 26px;
  border: 1px solid var(--accent); border-radius: 50%;
  display: grid; place-items: center;
}
.form-success .ok-ring svg { width: 34px; height: 34px; stroke: var(--accent); }
.form-success .ok-ring path { stroke-dasharray: 60; stroke-dashoffset: 60; animation: fsDraw 0.7s 0.3s var(--e-out) forwards; }
@keyframes fsDraw { to { stroke-dashoffset: 0; } }
.form-success h3 { font-variation-settings: 'wdth' 110; text-transform: uppercase; font-size: 1.5rem; }
.form-trap {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}
.form-submit-error {
  display: none;
  margin-top: 14px;
  color: var(--signal);
  font-family: var(--font-m);
  font-size: 0.68rem;
  line-height: 1.6;
  letter-spacing: 0.08em;
}
.form-submit-error.show { display: block; }
.form-success__ref {
  display: block;
  margin: 18px 0 24px;
  color: var(--ink-3);
  font-family: var(--font-m);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ---------- Cursor ---------- */
.cursor {
  position: fixed; top: 0; left: 0; z-index: 10000;
  width: 12px; height: 12px; border-radius: 50%;
  background: #fff;
  mix-blend-mode: difference;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--e-out), height 0.3s var(--e-out), opacity 0.3s;
}
.cursor.is-link { width: 52px; height: 52px; }
.cursor.is-label { width: 74px; height: 74px; }
.cursor .cur-label {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--font-m); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
  color: #000; opacity: 0; transition: opacity 0.2s;
}
.cursor.is-label .cur-label { opacity: 1; }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* ---------- Utility ---------- */
.center { text-align: center; }
.mt-1 { margin-top: 12px; } .mt-2 { margin-top: 24px; } .mt-3 { margin-top: 44px; } .mt-4 { margin-top: 72px; }
.flex { display: flex; } .items-end { align-items: flex-end; } .justify-between { justify-content: space-between; }
.hide-mobile { display: initial; }
@media (max-width: 680px) { .hide-mobile { display: none; } }

/* checklist */
.check-list li {
  display: flex; gap: 14px; align-items: baseline;
  padding: 12px 0; border-bottom: 1px solid var(--rule-soft);
  font-size: 0.95rem; color: var(--ink-2);
}
.check-list li::before {
  content: '→'; color: var(--accent); font-family: var(--font-m); font-size: 0.8rem; flex: none;
}

/* x-list (what we're not) */
.x-list li { display: flex; gap: 16px; align-items: baseline; padding: 18px 0; border-bottom: 1px solid var(--rule); }
.x-list li::before { content: '✕'; color: var(--signal); font-family: var(--font-m); font-size: 0.85rem; flex: none; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  [data-anim], .l-line, .ch { opacity: 1 !important; transform: none !important; }
  .method__step, .method__numwrap .mn { position: relative; opacity: 1; transform: none; }
}