/* =========================================================================
   CORELIX — Design system
   -------------------------------------------------------------------------
   COMPONENT GUIDE (copy these patterns when adding content)

   Section         <section class="section" aria-labelledby="x-title">
                     <div class="container">
                       <header class="section-head">
                         <p class="kicker">Optional short label</p>
                         <h2 id="x-title" class="h2">Title</h2>
                         <p class="lead">Supporting sentence.</p>
                       </header> ...

   Button          <a class="btn btn--primary" href="...">Request a pilot</a>
                   <a class="btn btn--ghost" href="...">Secondary action</a>

   Glass panel     <div class="glass">...</div>          (any container)

   Card            <article class="card">
                     <h3 class="card__title">Title</h3>
                     <p class="card__text">Text</p>
                   </article>

   Step card       <li class="step"> (inside <ol class="steps">) — for sequences only
                     <span class="step__index" aria-hidden="true">01</span>
                     <h3 class="step__title">Detect</h3>
                     <p class="step__text">...</p>
                   </li>

   Signal          <span class="signal signal--green">Contained</span>
                   (color is never the only cue: always keep the text label)

   ========================================================================= */

/* ---------- Fonts (self-hosted, no third-party requests) ---------- */
@font-face {
  font-family: "Orbitron";
  src: url("../assets/fonts/orbitron-variable.woff2") format("woff2"),
       url("../assets/fonts/orbitron-variable.ttf") format("truetype");
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Open Sans";
  src: url("../assets/fonts/open-sans-variable.woff2") format("woff2"),
       url("../assets/fonts/open-sans-variable.ttf") format("truetype");
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --black: #000000;
  --panel: #0f0f11;
  --white: #f2f2f2;
  --muted: #a3a3ab;      /* 8.4:1 on black */
  --subtle: #8a8a93;     /* 5.9:1 on black, small text OK */
  --line: rgba(255, 255, 255, 0.10);
  --line-strong: rgba(255, 255, 255, 0.22);

  /* Signal colors: only for indicators, always paired with a text label */
  --sig-blue: #38bdf8;
  --sig-amber: #facc15;
  --sig-pink: #ff5c8a;
  --sig-green: #4ade80;
  --sig-red: #ff5c5c;

  --glass-bg: rgba(20, 20, 24, 0.55);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-blur: 18px;

  --font-display: "Orbitron", "Eurostile", "Bank Gothic", "Segoe UI", system-ui, sans-serif;
  --font-body: "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Type scale (perfect fourth, fluid) */
  --fs-small: 0.875rem;
  --fs-body: 1.0625rem;
  --fs-lead: clamp(1.125rem, 1rem + 0.5vw, 1.3125rem);
  --fs-h3: clamp(1.125rem, 1.05rem + 0.35vw, 1.3125rem);
  --fs-h2: clamp(1.5rem, 1rem + 1.9vw, 2.6rem);
  --fs-h1: clamp(2rem, 1.1rem + 3.4vw, 3.9rem);
  --fs-mega: clamp(2.4rem, 1rem + 6vw, 6.5rem);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: clamp(4.5rem, 2.5rem + 6vw, 8rem);

  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;

  --container: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  color-scheme: dark;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 7rem;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, canvas { display: block; max-width: 100%; }

/* Cinematic depth: film grain and a soft vignette over everything */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  background:
    radial-gradient(ellipse 85% 75% at 50% 50%, transparent 60%, rgba(0,0,0,0.35) 100%),
    url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%20240%20240%22%3E%3Cfilter%20id%3D%22n%22%3E%3CfeTurbulence%20type%3D%22fractalNoise%22%20baseFrequency%3D%220.85%22%20numOctaves%3D%222%22%20stitchTiles%3D%22stitch%22/%3E%3CfeColorMatrix%20values%3D%220%200%200%200%200.5%200%200%200%200%200.5%200%200%200%200%200.5%200%200%200%200.06%200%22/%3E%3C/filter%3E%3Crect%20width%3D%22240%22%20height%3D%22240%22%20filter%3D%22url%28%23n%29%22/%3E%3C/svg%3E") repeat;
  background-size: auto, 240px 240px;
}


h1, h2, h3, p, ul, ol { margin: 0; }
ul[class], ol[class] { list-style: none; padding: 0; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { text-decoration-color: var(--white); }

::selection { background: var(--white); color: var(--black); }

/* Visible, consistent keyboard focus everywhere */
:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--white);
  color: var(--black);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- Typography ---------- */
.h1, .h2, .mega {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.05;
  text-wrap: balance;
}
.h1 { font-size: var(--fs-h1); }
.h2 { font-size: var(--fs-h2); line-height: 1.12; }
.mega { font-size: var(--fs-mega); font-weight: 700; line-height: 0.95; }

.lead {
  font-size: var(--fs-lead);
  color: var(--muted);
  max-width: 38em;
  line-height: 1.6;
  text-wrap: pretty;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--subtle);
  margin-bottom: var(--space-3);
}
.kicker__index { color: var(--white); }

/* Trademark symbol: small and gray so it sits quietly on bold type */
.tm {
  font-size: 0.42em;
  font-weight: 400;
  color: var(--subtle);
  vertical-align: super;
  line-height: 0;
  margin-left: 0.1em;
}
.kicker__index::after {
  content: "";
  display: inline-block;
  width: 22px; height: 1px;
  margin-left: 0.9rem;
  vertical-align: middle;
  background: var(--line-strong);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 48px;
  padding: 0.8rem 1.5rem;
  border-radius: 6px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease),
              border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn--primary { background: var(--white); color: var(--black); }
.btn--primary:hover { background: #ffffff; transform: translateY(-1px); }
.btn--ghost { color: var(--white); border-color: var(--line-strong); background: rgba(255,255,255,0.02); }
.btn--ghost:hover { border-color: var(--white); background: rgba(255,255,255,0.06); }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* ---------- Glass ---------- */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}

/* HUD corner marks on key panels */
.hud { position: relative; }
.hud::before {
  content: "";
  position: absolute;
  inset: 10px;
  pointer-events: none;
  opacity: 0.45;
  background:
    linear-gradient(var(--white), var(--white)) top left / 16px 1px no-repeat,
    linear-gradient(var(--white), var(--white)) top left / 1px 16px no-repeat,
    linear-gradient(var(--white), var(--white)) top right / 16px 1px no-repeat,
    linear-gradient(var(--white), var(--white)) top right / 1px 16px no-repeat,
    linear-gradient(var(--white), var(--white)) bottom left / 16px 1px no-repeat,
    linear-gradient(var(--white), var(--white)) bottom left / 1px 16px no-repeat,
    linear-gradient(var(--white), var(--white)) bottom right / 16px 1px no-repeat,
    linear-gradient(var(--white), var(--white)) bottom right / 1px 16px no-repeat;
}

/* ---------- Header: floating glass card with dropdown panels ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding-top: 14px;
  view-transition-name: site-header;
  pointer-events: none;
}
.site-header__card {
  pointer-events: auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 64px;
  padding: 0.5rem 0.75rem 0.5rem 1.25rem;
  border-radius: 16px;
  background: rgba(12, 12, 14, 0.72);
  --panel-h: 0px;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), padding-bottom 0.35s var(--ease);
}
.site-header__card.is-open {
  padding-bottom: var(--panel-h);
  background: #09090b;
  border-color: var(--line-strong);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.menu.glass { background: none; border: 0; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; }
.site-header.is-scrolled .site-header__card { background: rgba(10, 10, 12, 0.84); border-color: var(--line-strong); }

.logo { display: inline-flex; align-items: center; min-height: 44px; padding-block: 0.25rem; text-decoration: none; color: var(--white); }
.logo__lockup { width: 150px; height: auto; flex: none; }

.nav { display: flex; align-items: center; gap: var(--space-3); }
.nav__list { display: flex; gap: 0.25rem; }
.nav__item { position: relative; display: flex; align-items: center; }
.nav__link {
  display: inline-block;
  padding: 0.6rem 0.6rem 0.6rem 0.75rem;
  color: var(--muted);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.2s var(--ease);
}
.nav__link:hover, .nav__link[aria-current="page"], .nav__item:hover .nav__link, .nav__item.is-open .nav__link { color: var(--white); }
.nav__link[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--line-strong); }

.nav__caret {
  display: inline-grid;
  place-items: center;
  width: 32px; height: 44px;
  margin-right: 0.35rem;
  background: none;
  border: 0;
  color: var(--subtle);
  cursor: pointer;
  transition: color 0.2s var(--ease), transform 0.3s var(--ease);
}
.nav__caret svg { width: 14px; height: 14px; }
.nav__item:hover .nav__caret, .nav__item.is-open .nav__caret { color: var(--white); transform: rotate(180deg); }

/* dropdown panel: lives inside the card, which grows downward to reveal it */
.menu {
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  width: max-content;
  min-width: 280px;
  max-width: 360px;
  padding: 0.25rem 0 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.3s var(--ease) 0.05s, transform 0.3s var(--ease) 0.05s, visibility 0s linear 0.35s;
}
.nav__item.is-open .menu {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity 0.3s var(--ease) 0.1s, transform 0.3s var(--ease) 0.1s, visibility 0s;
}
.menu__list { display: grid; gap: 0.15rem; }
.menu__item {
  display: grid;
  gap: 0.15rem;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--muted);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}
.menu__item:hover, .menu__item:focus-visible { background: rgba(255,255,255,0.06); color: var(--white); }
.menu__title { color: var(--white); }
.menu__title { font-weight: 600; font-size: 0.975rem; }
.menu__desc { font-size: var(--fs-small); color: var(--subtle); }

.nav__actions { display: flex; align-items: center; gap: var(--space-1); }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--white);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.icon-btn:hover { border-color: var(--line-strong); background: rgba(255,255,255,0.05); }
.icon-btn svg { width: 18px; height: 18px; }

.menu-toggle { display: none; }

@media (max-width: 860px) {
  .js .menu-toggle { display: inline-grid; }
  .js .nav {
    position: absolute;
    left: 0; right: 0; top: calc(100% + 10px);
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-2) var(--space-3);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    background: #09090b;
    display: none;
    max-height: calc(100svh - 110px);
    overflow: auto;
  }
  .js .nav.is-open { display: flex; }
  .site-header__card.is-open { padding-bottom: 0.5rem; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__item { flex-wrap: wrap; align-items: stretch; }
  .nav__link { flex: 1; padding: 0.9rem 0.75rem; font-size: 0.9rem; }
  .nav__caret { display: none; }
  .menu { display: none; }     /* mobile shows the main pages only */
  .nav__actions { justify-content: stretch; padding-top: var(--space-1); }
  .nav__actions .btn { width: 100%; }
  .no-js .site-header__card { flex-wrap: wrap; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding-block: 8.5rem var(--space-5);
  isolation: isolate;
  overflow: hidden;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}
/* Keep the headline readable over the particles */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 58% 62% at 24% 52%, rgba(0,0,0,0.9), transparent 78%),
    linear-gradient(to bottom, transparent 70%, var(--black));
  pointer-events: none;
}
.hero__content { max-width: 50rem; }
.hero .h1 { margin-bottom: var(--space-3); }
.hero__kicker { color: var(--muted); }
.hero__line { display: block; }
.hero__line--dim { color: var(--subtle); }
.hero .lead { margin-bottom: var(--space-4); max-width: 34em; }

.hero__foot {
  position: absolute;
  left: 0; right: 0; bottom: var(--space-4);
}
.hero__foot .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  color: var(--subtle);
  font-size: var(--fs-small);
}
.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--subtle);
}
.scroll-cue:hover { color: var(--white); }
.scroll-cue__line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--white), transparent);
  transform-origin: top;
}

/* The last hero line is drawn in particles; the text stays in the page for readers and search */
.assembling .hero--flow .hero__line--dim { animation: none; opacity: 0; }

/* Hero page-load sequence */
.motion-on .hero__line,
.motion-on .hero .lead,
.motion-on .hero .btn-row {
  animation: rise 1.1s var(--ease) both;
}
.motion-on .hero__line:nth-child(2) { animation-delay: 0.12s; }
.motion-on .hero .lead { animation-delay: 0.3s; }
.motion-on .hero .btn-row { animation-delay: 0.45s; }
.motion-on .scroll-cue__line { animation: cue 2.4s var(--ease) infinite; }

@keyframes rise {
  from { opacity: 0; transform: translateY(28px); filter: blur(6px); }
  to   { opacity: 1; transform: none; filter: none; }
}
@keyframes cue {
  0%   { transform: scaleY(0); opacity: 1; }
  60%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* Home: the continuous particle layer sits behind everything */
.flow-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}
.hero--flow::before {
  background: radial-gradient(ellipse 58% 62% at 24% 52%, rgba(0,0,0,0.9), transparent 78%);
}
.showcase__canvas, .showcase__bar { transition: opacity 0.2s linear; }
/* while particles flow in and out, the panel glass clears so they stay visible */
.showcase.glass {
  background: rgba(20, 20, 24, var(--panel-alpha, 0.55));
  -webkit-backdrop-filter: blur(var(--panel-blur, 18px)) saturate(140%);
  backdrop-filter: blur(var(--panel-blur, 18px)) saturate(140%);
}

/* Page heroes (shorter) and the centred 404 hero */
.hero--page { min-height: 72svh; padding-top: 9rem; }
.hero--center { text-align: center; align-items: end; padding-bottom: 12vh; }
.hero--center::before {
  background:
    radial-gradient(ellipse 60% 45% at 50% 78%, rgba(0,0,0,0.92), transparent 70%),
    linear-gradient(to bottom, transparent 70%, var(--black));
}
.hero__content--center { margin-inline: auto; }
.hero__content--center .lead { margin-inline: auto; }
.hero--center .kicker { justify-content: center; }
.btn-row--center { justify-content: center; }
.hero__audience {
  margin-top: var(--space-3);
  max-width: 34em;
  font-size: var(--fs-small);
  color: var(--subtle);
}
.motion-on .hero__audience { animation: rise 1.1s var(--ease) 0.6s both; }

/* ---------- Sections ---------- */
.section { padding-block: var(--space-6); position: relative; }
.section-head { margin-bottom: var(--space-5); max-width: 46rem; }
.section-head .h2 { margin-bottom: var(--space-2); }


/* ---------- Value cards ---------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}
.value {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-3) var(--space-3);
  overflow: hidden;
}
.value__icon {
  width: 30px; height: 30px;
  margin-bottom: var(--space-2);
  fill: none;
  stroke: var(--white);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.value__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
}
.value__text { color: var(--muted); }
.value__solves {
  margin-top: auto;
  padding-top: var(--space-3);
  font-size: var(--fs-small);
  color: var(--muted);
}
.value__solves span {
  display: inline-block;
  margin-right: 0.4rem;
  padding: 0.15rem 0.6rem;
  border-radius: 4px;
  background: rgba(255,255,255,0.08);
  color: var(--white);
  font-weight: 600;
}
@media (max-width: 980px) { .value-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .value-grid { grid-template-columns: 1fr; } }

/* Spotlight: a soft light follows the pointer across glass cards */
[data-spotlight]::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, -30%), rgba(255,255,255,0.09), transparent 45%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.motion-on [data-spotlight]:hover::after { opacity: 1; }

/* ---------- Cinematic statement band ---------- */
.statement {
  position: relative;
  padding-block: var(--space-6);
  text-align: center;
  overflow: hidden;
}
.statement::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 60% at 50% 50%, rgba(255,255,255,0.08), transparent 70%);
  pointer-events: none;
}
.statement__text {
  position: relative;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1;
  font-size: clamp(2.2rem, 1rem + 5.2vw, 6.4rem);
  text-wrap: balance;
  color: var(--white);
}
.motion-on .statement__text {
  background: linear-gradient(100deg, #b9b9c0 0%, #ffffff 44%, #ffffff 56%, #b9b9c0 100%);
  background-size: 250% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: sweep 7s linear infinite;
}
@keyframes sweep { from { background-position: 120% 0; } to { background-position: -120% 0; } }
.statement__sub {
  position: relative;
  max-width: 34em;
  margin: var(--space-3) auto 0;
  color: var(--muted);
  font-size: var(--fs-lead);
}

/* ---------- Correlation, full bleed ---------- */
.showcase-full {
  position: relative;
  min-height: 92svh;
  display: grid;
  align-items: center;
  padding-block: var(--space-5);
  overflow: hidden;
}
.showcase-full__visual {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.showcase-full__visual .showcase__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.showcase-full__copy { position: relative; z-index: 1; pointer-events: none; }
.showcase-full__copy .section-head { margin-bottom: 0; max-width: 34rem; pointer-events: auto; }
.showcase-full__status { margin-top: var(--space-3); }
.showcase-full .showcase__note { margin-top: var(--space-2); font-size: var(--fs-small); color: var(--subtle); }
@media (max-width: 900px) {
  /* on phones the copy comes first, then the sphere as its own block below */
  .showcase-full { display: flex; flex-direction: column; min-height: 0; padding-block: var(--space-5) 0; }
  .showcase-full__copy { order: 1; }
  .showcase-full__visual { order: 2; position: relative; inset: auto; width: 100%; height: 60vh; margin-top: var(--space-3); }
}

/* ---------- Reveal on scroll ---------- */
.motion-on [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.motion-on [data-reveal].is-in { opacity: 1; transform: none; }
.motion-on .steps [data-reveal]:nth-child(2), .motion-on .value-grid [data-reveal]:nth-child(2) { transition-delay: 0.12s; }
.motion-on .steps [data-reveal]:nth-child(3), .motion-on .value-grid [data-reveal]:nth-child(3) { transition-delay: 0.24s; }
.motion-on .steps [data-reveal]:nth-child(4), .motion-on .value-grid [data-reveal]:nth-child(4) { transition-delay: 0.36s; }

/* ---------- Correlation showcase ---------- */
.showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  overflow: hidden;
}
.showcase__visual {
  position: relative;
  min-height: 460px;
  border-right: 1px solid var(--glass-border);
}
.showcase__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.showcase__bar {
  position: absolute;
  top: var(--space-3); left: var(--space-3); right: var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-small);
  color: var(--subtle);
}
.showcase__story { padding: var(--space-4); display: flex; flex-direction: column; }
.showcase__story h3 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.9rem;
  margin-bottom: var(--space-3);
}
.showcase__note { margin-top: auto; padding-top: var(--space-3); font-size: var(--fs-small); color: var(--subtle); }

.story { display: grid; gap: 0; position: relative; }
.story__item {
  position: relative;
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 0 var(--space-2);
  padding-bottom: var(--space-3);
  transition: opacity 0.5s var(--ease), transform 0.6s var(--ease);
}
.story.is-animated .story__item.is-active { transform: translateX(6px); }
.story__item::before {             /* the connecting thread */
  content: "";
  position: absolute;
  left: 6px; top: 16px; bottom: 0;
  width: 1px;
  background: var(--line);
}
.story__item:last-child::before { display: none; }
.story__dot {
  width: 13px; height: 13px;
  margin-top: 6px;
  border-radius: 50%;
  border: 2px solid var(--dot, var(--white));
  background: var(--black);
  transition: background-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.story__source { font-size: var(--fs-small); color: var(--subtle); }
.story__event { font-weight: 600; line-height: 1.4; }

.story__item[data-color="blue"]  { --dot: var(--sig-blue); }
.story__item[data-color="amber"] { --dot: var(--sig-amber); }
.story__item[data-color="pink"]  { --dot: var(--sig-pink); }
.story__item[data-color="green"] { --dot: var(--sig-green); }
.story__item[data-color="red"]   { --dot: var(--sig-red); }
.story__item[data-color="white"] { --dot: var(--white); }

/* When animation runs, items light up in sequence */
.story.is-animated .story__item { opacity: 0.38; }
.story.is-animated .story__item.is-active { opacity: 1; }
.story__item.is-active .story__dot,
.story:not(.is-animated) .story__dot {
  background: var(--dot);
  box-shadow: 0 0 14px var(--dot);
}

.showcase--solo { grid-template-columns: 1fr; }
.showcase--solo .showcase__visual { min-height: 540px; border-right: 0; }
.showcase--solo .showcase__note {
  position: absolute;
  left: var(--space-3); bottom: var(--space-2);
  margin: 0; padding: 0;
  font-size: var(--fs-small);
  color: var(--subtle);
}
@media (max-width: 900px) {
  .showcase { grid-template-columns: 1fr; }
  .showcase--solo .showcase__visual { min-height: 420px; border-bottom: 0; }
  .showcase__visual { min-height: 360px; border-right: 0; border-bottom: 1px solid var(--glass-border); }
}

/* ---------- Signals (status indicators) ---------- */
.signal {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.5);
  font-size: var(--fs-small);
  color: var(--white);
}
.signal::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--sig, var(--white));
  box-shadow: 0 0 10px var(--sig, var(--white));
}
.signal--blue  { --sig: var(--sig-blue); }
.signal--amber { --sig: var(--sig-amber); }
.signal--pink  { --sig: var(--sig-pink); }
.signal--green { --sig: var(--sig-green); }
.signal--red   { --sig: var(--sig-red); }
.motion-on .signal--live::before { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  counter-reset: step;
  position: relative;
}
.step {
  position: relative;
  padding: var(--space-4) var(--space-3) var(--space-3);
}
.step__index {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 2rem + 1.5vw, 3.5rem);
  line-height: 1;
  color: #6e6e77;      /* 3.6:1 on black, meets AA for large text */
  margin-bottom: var(--space-4);
}
.step__title {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: clamp(1.3rem, 1.05rem + 0.9vw, 1.8rem);
  margin-bottom: var(--space-1);
}
.step__text { color: var(--muted); }

.steps__more { margin-top: var(--space-3); color: var(--muted); }
.step__outcome {
  margin-top: auto;
  padding-top: var(--space-3);
  font-size: var(--fs-small);
  color: var(--muted);
}
.step__outcome span {
  display: inline-block;
  margin-right: 0.4rem;
  padding: 0.15rem 0.6rem;
  border-radius: 4px;
  background: rgba(255,255,255,0.08);
  color: var(--white);
  font-weight: 600;
}
.step { display: flex; flex-direction: column; }
.step__points {
  margin-top: var(--space-2);
  padding-left: 1.1rem;
  list-style: disc;
  color: var(--muted);
  display: grid;
  gap: 0.4rem;
}
.step__points::marker, .step__points li::marker { color: var(--subtle); }
.steps--four { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1100px) { .steps--four { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .steps--four { grid-template-columns: 1fr; } }
.value-grid--two { grid-template-columns: repeat(2, 1fr); }
.value-grid--four { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .value-grid--four { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .value-grid--two, .value-grid--four { grid-template-columns: 1fr; } }
.value .step__points { margin-top: var(--space-1); }
.metric {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: clamp(1.2rem, 1rem + 0.9vw, 1.7rem);
  margin-bottom: var(--space-1);
}

/* ---------- Design partner panel ---------- */
.partner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--space-4) var(--space-5);
  padding: clamp(2rem, 1.5rem + 3vw, 4rem);
}
.partner__intro .h2 { margin-bottom: var(--space-2); }
.partner__intro .lead { margin-bottom: var(--space-3); }
.partner__metrics { display: grid; gap: var(--space-3); align-content: center; }
.partner__metrics li { padding: var(--space-2) var(--space-3); background: rgba(255,255,255,0.04); border-radius: var(--radius-md); }
@media (max-width: 900px) { .partner { grid-template-columns: 1fr; } }

/* ---------- Legal pages ---------- */
.section--legal { padding-top: 9rem; }
.prose { max-width: 44rem; }
.prose .h2 { margin-bottom: var(--space-1); }
.prose__meta { color: var(--subtle); font-size: var(--fs-small); margin-bottom: var(--space-4); }
.prose h2 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  margin: var(--space-4) 0 var(--space-1);
}
.prose p, .prose li { color: var(--muted); }
.prose p + p { margin-top: var(--space-2); }
.prose ul { padding-left: 1.2rem; list-style: disc; display: grid; gap: 0.5rem; }
.prose li::marker { color: var(--subtle); }
.prose a:hover { color: var(--white); }
.steps--compact { margin-bottom: var(--space-5); }
.steps--compact .step__index { font-size: 1.1rem; color: var(--subtle); margin-bottom: var(--space-3); }
.steps--compact .step__outcome { padding-top: var(--space-2); }

.steps__more a:hover { color: var(--white); }


@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr; }
}

/* ---------- CTA panel ---------- */
.cta {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 2rem + 4vw, 5rem);
  text-align: left;
}
.cta .h2 { max-width: 16em; margin-bottom: var(--space-2); }
.cta .lead { margin-bottom: var(--space-4); }
.cta__email { margin-top: var(--space-3); color: var(--subtle); font-size: var(--fs-small); }
.cta__line {
  margin-top: var(--space-4);
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  color: var(--white);
}
.cta__email a:hover { color: var(--white); }
.cta__glow {
  position: absolute;
  width: 520px; height: 520px;
  right: -160px; top: -200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.14), transparent 65%);
  pointer-events: none;
}

/* ---------- Footer ---------- */
.site-footer {
  padding-block: var(--space-5) var(--space-4);
  color: var(--subtle);
  font-size: var(--fs-small);
}
.site-footer__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.site-footer__tagline { margin-top: var(--space-2); }
.footer-nav { display: flex; gap: var(--space-5); flex-wrap: wrap; }
.footer-nav h2 { font-family: var(--font-display); font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600; color: var(--white); margin-bottom: var(--space-1); }
.footer-nav ul { display: grid; gap: 0.25rem; list-style: none; padding: 0; }
.footer-nav a { text-decoration: none; display: inline-block; padding-block: 0.3rem; }
.footer-nav a:hover { color: var(--white); text-decoration: underline; }
.site-footer__base { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-2); }

/* ---------- Reduced motion: still scroll cue ---------- */
.motion-off .scroll-cue__line { opacity: 0.5; }

/* ---------- Page transitions between pages (supported browsers) ---------- */
@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }
  ::view-transition-old(root) { animation: 0.35s var(--ease) both fade-out; }
  ::view-transition-new(root) { animation: 0.5s var(--ease) both fade-in; }
}
@keyframes fade-out { to { opacity: 0; filter: blur(4px); } }
@keyframes fade-in { from { opacity: 0; filter: blur(4px); } }

/* ---------- Accessibility preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .glass, .site-header.is-scrolled, .js .nav {
    background: var(--panel);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (forced-colors: active) {
  .btn, .glass, .icon-btn, .signal { border: 1px solid CanvasText; }
  .hero__canvas, .showcase__canvas { display: none; }
}