/* ═══════════════════════════════════════════════════════════════
   CONFIXA — the autonomous engineering harness
   Wohlig liquid-glass theme (light) · warm white · logo-purple
   Type: Fraunces (display, SOFT 100) + Switzer (body) + mono for machine voice
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Canvas — warm white with a violet whisper (inherited from wohlig.com) */
  --paper: #fdfcff;
  --paper-2: #f5f5fe;
  --ink: #0e0a38;
  --ink-dim: #555177;
  --ink-faint: #8b88ab;

  /* Brand blue-purple family */
  --purple: #4254d4;
  --purple-deep: #3242b2;
  --purple-soft: #7d8cee;
  --lilac: #c6cdff;
  --periwinkle: #a9bbff;
  --mint: #bdeee2;

  /* Confixa additions — machine states */
  --signal: #0b8f7d;          /* healthy / autonomous / live */
  --signal-tint: rgba(11, 143, 125, .1);
  --gate: #b06a00;            /* human approval required */
  --gate-tint: rgba(176, 106, 0, .1);
  --alert: #c2384f;           /* blocked / breach */
  --alert-tint: rgba(194, 56, 79, .09);

  --grad-accent: linear-gradient(110deg, var(--purple) 10%, var(--purple-soft) 55%, var(--periwinkle));

  /* Liquid glass recipe (light) */
  --glass-fill: linear-gradient(135deg, rgba(255,255,255,.78), rgba(255,255,255,.42) 45%, rgba(255,255,255,.62));
  --glass-stroke: rgba(255,255,255,.95);
  --glass-stroke-soft: rgba(77, 73, 221, .14);
  --glass-highlight: rgba(255,255,255,.95);
  --glass-shadow:
    0 2px 6px rgba(27, 22, 80, .04),
    0 24px 60px rgba(77, 73, 221, .12);
  --glass-blur: 24px;

  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Switzer", "Helvetica Neue", "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, monospace;

  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --container: 1180px;
  --radius: 28px;
  --radius-sm: 16px;
  --radius-xs: 10px;
  --section-pad: clamp(5.5rem, 10vw, 9.5rem);

  --ease-out: cubic-bezier(.22, .8, .26, .99);
  --ease-spring: cubic-bezier(.34, 1.4, .44, 1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: rgba(77, 73, 221, .22); }

:focus-visible { outline: 2px solid var(--purple); outline-offset: 3px; border-radius: 6px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}
.skip-link {
  position: fixed; top: -100px; left: 16px; z-index: 200;
  padding: .6rem 1rem; border-radius: 10px;
  background: var(--ink); color: #fff; font-weight: var(--fw-semibold);
  transition: top .25s var(--ease-out);
}
.skip-link:focus { top: 12px; }

.container { width: min(var(--container), 92vw); margin-inline: auto; }
.container--wide { width: min(1320px, 94vw); margin-inline: auto; }
.section { padding-block: var(--section-pad); position: relative; }
.section--tint { background: linear-gradient(180deg, transparent, var(--paper-2) 22%, var(--paper-2) 78%, transparent); }

/* ── Ambient: pastel bloom field + grain ───────────────────── */
.bloom { position: fixed; inset: -12%; z-index: -1; filter: blur(70px) saturate(115%); pointer-events: none; }
.bloom__blob { position: absolute; display: block; border-radius: 50%; opacity: .55; }
.bloom__blob--1 {
  width: 54vw; height: 54vw; left: -10%; top: -12%;
  background: radial-gradient(circle at 40% 40%, var(--lilac), transparent 65%);
  animation: drift-a 36s var(--ease-out) infinite alternate;
}
.bloom__blob--2 {
  width: 46vw; height: 46vw; right: -12%; top: 4%;
  background: radial-gradient(circle at 55% 45%, var(--periwinkle), transparent 65%);
  animation: drift-b 44s var(--ease-out) infinite alternate;
}
.bloom__blob--3 {
  width: 40vw; height: 40vw; left: 24%; bottom: -16%;
  background: radial-gradient(circle at 50% 55%, var(--mint), transparent 65%);
  animation: drift-c 50s var(--ease-out) infinite alternate; opacity: .45;
}
.bloom__blob--4 {
  width: 30vw; height: 30vw; right: 18%; bottom: 10%;
  background: radial-gradient(circle at 50% 50%, #ffd9ec, transparent 65%);
  animation: drift-a 58s var(--ease-out) infinite alternate-reverse; opacity: .35;
}
@keyframes drift-a { to { transform: translate(8vw, 6vh) scale(1.1); } }
@keyframes drift-b { to { transform: translate(-6vw, 7vh) scale(.94); } }
@keyframes drift-c { to { transform: translate(6vw, -7vh) scale(1.07); } }

.grain {
  position: fixed; inset: 0; z-index: 90; pointer-events: none; opacity: .025;
  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='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Liquid glass primitive ────────────────────────────────── */
.glass {
  position: relative;
  background: var(--glass-fill);
  border: 1px solid var(--glass-stroke);
  border-radius: var(--radius);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    inset 0 0 0 1px rgba(255,255,255,.25),
    var(--glass-shadow);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  backdrop-filter: blur(var(--glass-blur)) saturate(160%);
}
@supports not (backdrop-filter: blur(1px)) { .glass { background: rgba(255,255,255,.92); } }

.glass::before {
  content: ""; position: absolute; inset: 0; z-index: 0; border-radius: inherit;
  background: radial-gradient(520px circle at var(--mx, 50%) var(--my, -20%),
              rgba(255,255,255,.9), transparent 45%);
  opacity: 0; transition: opacity .45s var(--ease-out); pointer-events: none;
}
.glass:hover::before { opacity: .8; }
.glass > * { position: relative; z-index: 1; }

/* ── Type scale ────────────────────────────────────────────── */
.eyebrow {
  font-size: .72rem; font-weight: var(--fw-semibold);
  letter-spacing: .28em; text-transform: uppercase;
  color: var(--purple); margin-bottom: 1.2rem;
}
.section__title {
  font-family: var(--font-display); font-weight: var(--fw-semibold);
  font-size: clamp(2.1rem, 4.4vw, 3.5rem);
  line-height: 1.08; letter-spacing: -.02em;
  margin-bottom: 1rem; text-wrap: balance;
}
.section__title em { font-style: italic; color: var(--purple); }
.section__sub {
  color: var(--ink-dim); max-width: 58ch; margin-bottom: 2.8rem;
  font-size: 1.1rem; line-height: 1.65;
}
.section__head--center { text-align: center; }
.section__head--center .section__sub { margin-inline: auto; }
.section__head--center .smile-divider { margin-inline: auto; }

.smile-divider { width: 56px; height: 16px; color: var(--purple); margin: .2rem 0 1.4rem; opacity: .9; }

.lede { font-size: 1.22rem; line-height: 1.6; color: var(--ink-dim); }
.lede strong { color: var(--ink); font-weight: var(--fw-semibold); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .8rem 1.55rem; border-radius: 999px;
  font-family: var(--font-display); font-weight: var(--fw-semibold);
  font-size: 1.02rem; letter-spacing: .005em;
  transition: transform .35s var(--ease-spring), box-shadow .35s var(--ease-out),
              background-color .35s var(--ease-out), border-color .35s var(--ease-out);
  will-change: transform;
}
.btn svg { width: 1em; height: 1em; }
.btn:active { transform: scale(.97); }
.btn--primary {
  position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(135deg, var(--purple-soft) -20%, var(--purple) 45%, var(--purple-deep));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 10px 26px rgba(77, 73, 221, .35);
}
.btn--primary::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -80%; width: 50%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.5), transparent);
  transform: skewX(-20deg); transition: left .7s var(--ease-out);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 16px 36px rgba(77,73,221,.45); }
.btn--primary:hover::after { left: 130%; }
.btn--ghost {
  border: 1px solid rgba(77, 73, 221, .22); background: rgba(255,255,255,.6);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); color: var(--ink);
}
.btn--ghost:hover { background: rgba(255,255,255,.95); border-color: rgba(77,73,221,.45); transform: translateY(-2px); }
.btn--lg { padding: .98rem 1.95rem; font-size: 1.05rem; }

/* ── Logo mark ─────────────────────────────────────────────── */
.logo { display: inline-flex; align-items: center; gap: .6rem; }
.logo__mark { width: 30px; height: 30px; flex: none; }
.logo__word {
  font-family: var(--font-display); font-weight: var(--fw-semibold);
  font-size: 1.32rem; letter-spacing: -.02em; color: var(--ink);
}
.footer .logo__mark { width: 34px; height: 34px; }
.footer .logo__word { font-size: 1.5rem; }

/* ── Navigation ────────────────────────────────────────────── */
.nav {
  position: fixed; z-index: 100; top: 14px; left: 50%; transform: translateX(-50%);
  width: min(var(--container), 94vw);
  display: flex; align-items: center; gap: 1.4rem;
  padding: .55rem .65rem .55rem 1.1rem; border-radius: 999px;
  transition: box-shadow .4s var(--ease-out);
}
.nav.is-scrolled {
  box-shadow: inset 0 1px 0 var(--glass-highlight), 0 2px 8px rgba(27,22,80,.06), 0 22px 50px rgba(77,73,221,.18);
}
.nav__links { display: flex; align-items: center; gap: .2rem; margin-left: auto; }
.nav__link {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem .8rem; border-radius: 999px; color: var(--ink-dim);
  font-family: var(--font-display); font-weight: var(--fw-medium); font-size: .99rem;
  transition: color .3s, background-color .3s;
}
.nav__link:hover { color: var(--ink); background: rgba(77, 73, 221, .08); }
.nav__cta { padding: .62rem 1.25rem; font-size: .97rem; }
.nav__burger {
  display: none; width: 42px; height: 42px; border-radius: 999px;
  border: 1px solid var(--glass-stroke-soft); background: rgba(255,255,255,.7);
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav__burger span { display: block; width: 17px; height: 1.6px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease-out); }
.nav__burger[aria-expanded="true"] span:first-child { transform: translateY(3.3px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:last-child { transform: translateY(-3.3px) rotate(-45deg); }

/* Mobile sheet */
.sheet { position: fixed; inset: 0; z-index: 99; background: rgba(253,252,255,.7); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); padding: 88px 4vw 4vw; }
.sheet__inner { padding: 1.6rem; display: flex; flex-direction: column; gap: .2rem; }
.sheet__inner a {
  padding: .85rem .9rem; border-radius: var(--radius-sm);
  font-family: var(--font-display); font-weight: var(--fw-medium); font-size: 1.12rem;
  animation: sheet-in .45s var(--ease-out) both;
}
.sheet__inner a:hover { background: rgba(77,73,221,.08); }
@keyframes sheet-in { from { opacity: 0; transform: translateY(10px); } }

/* ═══════════════════ PARALLAX ═══════════════════════════════ */
.px { position: relative; overflow: hidden; }
.px__layer { position: absolute; inset: -10% -2%; pointer-events: none; will-change: transform; }
.px__layer > * { position: absolute; }

/* Background media (hero / band / cta) */
.media-bg { position: absolute; inset: 0; overflow: hidden; z-index: 0; }
.media-bg__video {
  position: absolute; inset: 0; width: 100%; height: 118%;
  object-fit: cover; opacity: 0; transition: opacity 1.1s var(--ease-out);
  will-change: transform;
}
.media-bg__video.is-playing { opacity: .62; }
.media-bg__scrim {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(253,252,255,.2), rgba(253,252,255,.86) 62%, var(--paper) 100%),
    linear-gradient(180deg, rgba(253,252,255,.5), transparent 40%);
}
/* Animated aurora — the zero-asset fallback, always present behind video */
.media-bg__aurora {
  position: absolute; inset: -20%;
  background:
    radial-gradient(38% 44% at 20% 30%, rgba(198,205,255,.85), transparent 60%),
    radial-gradient(34% 40% at 78% 22%, rgba(169,187,255,.75), transparent 62%),
    radial-gradient(40% 44% at 58% 78%, rgba(189,238,226,.6), transparent 62%),
    radial-gradient(30% 34% at 12% 82%, rgba(255,217,236,.55), transparent 62%);
  filter: blur(30px); animation: aurora 26s var(--ease-out) infinite alternate;
}
@keyframes aurora {
  33%  { transform: translate3d(2%, -2%, 0) scale(1.06) rotate(2deg); }
  66%  { transform: translate3d(-2%, 2%, 0) scale(1.02) rotate(-1.5deg); }
  100% { transform: translate3d(1%, 1%, 0) scale(1.08) rotate(1deg); }
}

/* Faint engineering grid, drifts on parallax */
.gridlines {
  position: absolute; inset: -20%;
  background-image:
    linear-gradient(rgba(77,73,221,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77,73,221,.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 60% at 50% 40%, #000, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, #000, transparent 78%);
}

/* ═══════════════════ HERO ═══════════════════════════════════ */
.hero {
  position: relative; padding-top: clamp(9rem, 16vh, 12rem); padding-bottom: clamp(4rem, 8vw, 7rem);
  overflow: hidden;
}
.hero__inner { position: relative; z-index: 2; }
.hero__grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: clamp(2rem, 4vw, 4rem); align-items: center; }

.hero__title {
  font-family: var(--font-display); font-weight: var(--fw-semibold);
  font-size: clamp(2.7rem, 6vw, 5rem); line-height: 1.02; letter-spacing: -.03em;
  margin-bottom: 1.4rem; text-wrap: balance;
}
.hero__title em { font-style: italic; color: var(--purple); }
.hero__sub { font-size: clamp(1.06rem, 1.5vw, 1.24rem); color: var(--ink-dim); max-width: 52ch; margin-bottom: 2rem; line-height: 1.62; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 2.2rem; }
.hero__meta { display: flex; flex-wrap: wrap; gap: .5rem; }

.chip {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .4rem .85rem; border-radius: 999px;
  border: 1px solid var(--glass-stroke-soft); background: rgba(255,255,255,.66);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  font-size: .8rem; font-weight: var(--fw-medium); color: var(--ink-dim);
  letter-spacing: -.005em;
}
.chip svg { width: .85em; height: .85em; color: var(--purple); flex: none; }
.chip--signal { color: var(--signal); border-color: rgba(11,143,125,.24); background: var(--signal-tint); }
.chip--signal svg { color: var(--signal); }

.dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--signal); flex: none;
  box-shadow: 0 0 0 0 rgba(11,143,125,.5); animation: pulse 2.4s var(--ease-out) infinite;
}
@keyframes pulse {
  70%  { box-shadow: 0 0 0 8px rgba(11,143,125,0); }
  100% { box-shadow: 0 0 0 0 rgba(11,143,125,0); }
}

/* ── Terminal — the machine's voice ────────────────────────── */
.terminal { padding: 0; overflow: hidden; border-radius: var(--radius); }
.terminal__bar {
  display: flex; align-items: center; gap: .6rem;
  padding: .7rem 1.1rem; border-bottom: 1px solid rgba(77,73,221,.1);
  background: rgba(255,255,255,.5);
}
.terminal__bar b { font-family: var(--font-mono); font-size: .74rem; font-weight: var(--fw-medium); color: var(--ink-dim); letter-spacing: .02em; }
.terminal__bar .chip { margin-left: auto; padding: .22rem .6rem; font-size: .68rem; }
.terminal__body {
  padding: 1.15rem 1.25rem 1.35rem;
  font-family: var(--font-mono); font-size: .795rem; line-height: 1.85;
  min-height: 310px; letter-spacing: -.01em;
}
.term-line { display: flex; gap: .6rem; opacity: 0; animation: term-in .3s var(--ease-out) forwards; }
@keyframes term-in { to { opacity: 1; } }
.term-line__tag {
  flex: none; min-width: 4.9em; font-weight: var(--fw-semibold); font-size: .7rem;
  letter-spacing: .06em; text-transform: uppercase; padding-top: .22rem;
}
.term-line__tag--sense  { color: var(--ink-faint); }
.term-line__tag--plan   { color: var(--purple); }
.term-line__tag--act    { color: var(--purple-deep); }
.term-line__tag--verify { color: var(--signal); }
.term-line__tag--gate   { color: var(--gate); }
.term-line__body { color: var(--ink-dim); }
.term-line__body b { color: var(--ink); font-weight: var(--fw-semibold); }
.term-line__body i { font-style: normal; color: var(--signal); }
.term-line__body u { text-decoration: none; color: var(--gate); font-weight: var(--fw-semibold); }
.term-cursor { display: inline-block; width: 7px; height: 1em; background: var(--purple); vertical-align: -2px; animation: blink 1.05s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ── Marquee (integration river) ───────────────────────────── */
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: flex; gap: .8rem; width: max-content; animation: river 46s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes river { to { transform: translateX(-50%); } }
.marquee__item {
  padding: .5rem 1.05rem; border-radius: 999px; white-space: nowrap;
  border: 1px solid var(--glass-stroke-soft); background: rgba(255,255,255,.62);
  font-size: .86rem; font-weight: var(--fw-medium); color: var(--ink-dim);
  transition: transform .3s var(--ease-spring), color .3s;
}
.marquee__item:hover { transform: translateY(-3px); color: var(--ink); }

/* ═══════════════════ THE BREAK (problem) ════════════════════ */
.break__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.1rem; margin-top: 2.4rem; }
.break__card { padding: 1.6rem 1.5rem; }
.break__card h3 { font-family: var(--font-display); font-size: 1.12rem; font-weight: var(--fw-semibold); margin-bottom: .5rem; letter-spacing: -.015em; }
.break__card p { font-size: .95rem; color: var(--ink-dim); line-height: 1.6; }
.break__num {
  font-family: var(--font-display); font-size: 2.5rem; font-weight: var(--fw-semibold);
  line-height: 1; color: var(--purple); letter-spacing: -.03em; margin-bottom: .7rem;
}

/* ═══════════════════ PLANES (the harness) ═══════════════════ */
.planes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.plane { padding: 1.7rem 1.55rem; }
.plane__ico {
  width: 42px; height: 42px; border-radius: 13px; margin-bottom: 1.05rem;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--purple-soft), var(--purple) 70%);
  box-shadow: 0 8px 20px rgba(77,73,221,.28);
}
.plane__ico svg { width: 21px; height: 21px; }
.plane h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: var(--fw-semibold); letter-spacing: -.015em; margin-bottom: .45rem; }
.plane p { font-size: .95rem; color: var(--ink-dim); line-height: 1.62; }

/* ═══════════════════ GRAPH ENGINEERING ══════════════════════ */
.graph__wrap {
  display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(1.6rem, 4vw, 3.4rem); align-items: center;
}

/* Video stage — square clip blended into the card. Capped, because the clip is 1:1 and
   an uncapped square in a ~600px column makes the section absurdly tall. */
.graph__stage { padding: 0; overflow: hidden; position: relative; max-width: 500px; margin-inline: auto; }
.graph__video {
  display: block; width: 100%; height: auto; aspect-ratio: 1 / 1;
  object-fit: cover;
  /* NEVER set opacity:0 here. The poster is painted by the video element itself, so
     hiding the element hides the poster too — if playback doesn't start (autoplay
     blocked, background tab, slow network) the whole panel goes blank. Visible by
     default: poster first, video over it once it plays. */
  /* The clip sits on a white ground. `multiply` blends that ground into the card so the
     square edge disappears — and unlike a radial mask it doesn't crop the graph's own
     outer ring, which the previous mask (fading from 58%) was eating. */
  mix-blend-mode: multiply;
}
@supports not (mix-blend-mode: multiply) {
  /* graceful fallback: gentle edge feather, kept well outside the graph's outer ring */
  .graph__video {
    mask-image: radial-gradient(circle at 50% 50%, #000 88%, transparent 100%);
    -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 88%, transparent 100%);
  }
}
.graph__stage__cap {
  display: flex; align-items: center; gap: .55rem;
  padding: .75rem 1.1rem 1rem;
  font-family: var(--font-mono); font-size: .7rem; color: var(--ink-faint);
  letter-spacing: .01em;
}
.graph__stage__cap b { color: var(--ink-dim); font-weight: var(--fw-medium); }
.graph__stage__cap span:last-child { margin-left: auto; }

/* Right column — the graph model, read plainly */
.graph__read h3 {
  font-family: var(--font-display); font-size: 1.3rem; font-weight: var(--fw-semibold);
  letter-spacing: -.02em; margin-bottom: 1.1rem;
}
.graph__model { display: flex; flex-direction: column; gap: .95rem; margin-bottom: 1.3rem; }
.graph__model dt {
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--purple); margin-bottom: .35rem;
}
.graph__model dd { font-size: .95rem; color: var(--ink-dim); line-height: 1.6; }
.graph__model code {
  font-family: var(--font-mono); font-size: .74rem;
  background: rgba(77,73,221,.075); color: var(--purple-deep);
  padding: .12rem .4rem; border-radius: 5px; margin-right: .18rem;
  display: inline-block; margin-bottom: .22rem;
}
.graph__read__note {
  font-size: .95rem; color: var(--ink-dim); line-height: 1.62;
  padding-top: 1.1rem; border-top: 1px solid rgba(77,73,221,.12);
}
.graph__read__note em { font-style: normal; color: var(--purple); font-weight: var(--fw-medium); }

/* ── Evolve: how the graph compounds ──────────────────────── */
.evolve { margin-top: clamp(3rem, 6vw, 4.5rem); }
.evolve__title {
  font-family: var(--font-display); font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: var(--fw-semibold); letter-spacing: -.02em; margin-bottom: .5rem;
}
.evolve__lede { color: var(--ink-dim); max-width: 62ch; margin-bottom: 2.2rem; font-size: 1.02rem; line-height: 1.62; }

.evolve__track {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  counter-reset: stage; position: relative;
}
/* the spine: a hairline that thickens left→right, the graph densifying */
.evolve__track::before {
  content: ""; position: absolute; left: 0; right: 0; top: 15px; height: 2px;
  background: linear-gradient(90deg, rgba(77,73,221,.14), var(--purple));
  border-radius: 2px;
}
.evolve__stage { position: relative; padding-top: 2.6rem; }
.evolve__stage::before {
  content: ""; position: absolute; top: 9px; left: 0;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--paper); border: 2.5px solid var(--purple-soft);
  transition: all .4s var(--ease-spring);
}
.evolve__stage:nth-child(2)::before { border-color: #6d7ce8; }
.evolve__stage:nth-child(3)::before { border-color: var(--purple); }
.evolve__stage:nth-child(4)::before { background: var(--purple); border-color: var(--purple); box-shadow: 0 0 0 5px rgba(77,73,221,.14); }
.evolve__stage:hover::before { transform: scale(1.25); }

.evolve__when {
  display: block; font-family: var(--font-mono); font-size: .68rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: .45rem;
}
.evolve__stage h4 {
  font-family: var(--font-display); font-size: 1.12rem; font-weight: var(--fw-semibold);
  letter-spacing: -.015em; margin-bottom: .45rem;
}
.evolve__stage p { font-size: .9rem; color: var(--ink-dim); line-height: 1.56; margin-bottom: .8rem; }
.evolve__rung {
  display: inline-block; font-family: var(--font-mono); font-size: .66rem;
  letter-spacing: .04em; padding: .22rem .55rem; border-radius: 6px;
  background: rgba(77,73,221,.075); color: var(--purple-deep);
}
.evolve__stage:nth-child(4) .evolve__rung { background: var(--signal-tint); color: var(--signal); }
.evolve__foot { margin-top: 2rem; font-size: .95rem; color: var(--ink-dim); max-width: 68ch; line-height: 1.6; }

.graph__unlocks { display: grid; grid-template-columns: repeat(auto-fit, minmax(228px, 1fr)); gap: 1rem; margin-top: 1.6rem; }
.graph__unlock { padding: 1.4rem 1.35rem; }
.graph__unlock h3 { font-family: var(--font-display); font-size: 1.04rem; font-weight: var(--fw-semibold); letter-spacing: -.015em; margin-bottom: .4rem; }
.graph__unlock p { font-size: .9rem; color: var(--ink-dim); line-height: 1.55; }
.graph__unlock__q { font-family: var(--font-mono); font-size: .66rem; color: var(--purple); letter-spacing: .04em; margin-bottom: .6rem; }

/* ═══════════════════ THE MESH ═══════════════════════════════ */
.mesh { display: grid; gap: 1.6rem; }
.mesh__plane { }
.mesh__planehead { display: flex; align-items: baseline; gap: .8rem; margin-bottom: .95rem; padding-left: .2rem; }
.mesh__planehead h3 {
  font-family: var(--font-display); font-size: 1.28rem; font-weight: var(--fw-semibold);
  letter-spacing: -.02em;
}
.mesh__planehead span { font-size: .78rem; color: var(--ink-faint); letter-spacing: .12em; text-transform: uppercase; font-weight: var(--fw-medium); }
.mesh__planehead::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(77,73,221,.18), transparent); }

.mesh__row { display: grid; grid-template-columns: repeat(auto-fit, minmax(252px, 1fr)); gap: 1rem; }

.agent { padding: 1.35rem 1.35rem 1.45rem; transition: transform .4s var(--ease-spring), box-shadow .4s var(--ease-out); }
.agent:hover { transform: translateY(-5px); }
.agent__top { display: flex; align-items: center; gap: .7rem; margin-bottom: .8rem; }
.agent__avatar {
  width: 36px; height: 36px; border-radius: 11px; flex: none;
  display: grid; place-items: center; color: var(--purple);
  background: linear-gradient(135deg, rgba(198,205,255,.85), rgba(245,245,254,.9));
  border: 1px solid rgba(77,73,221,.14);
}
.agent__avatar svg { width: 18px; height: 18px; }
.agent__name { font-family: var(--font-display); font-size: 1.08rem; font-weight: var(--fw-semibold); letter-spacing: -.015em; line-height: 1.2; }
.agent__role { font-size: .715rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); font-weight: var(--fw-medium); }
.agent p { font-size: .9rem; color: var(--ink-dim); line-height: 1.58; margin-bottom: .85rem; }
.agent__tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.agent__tag {
  font-family: var(--font-mono); font-size: .665rem; letter-spacing: -.01em;
  padding: .2rem .5rem; border-radius: 6px;
  background: rgba(77,73,221,.075); color: var(--purple-deep);
}
.agent--meta .agent__avatar { color: var(--signal); background: linear-gradient(135deg, rgba(189,238,226,.9), rgba(245,245,254,.9)); border-color: rgba(11,143,125,.2); }
.agent--meta .agent__tag { background: var(--signal-tint); color: var(--signal); }

/* Orchestrator banner */
.orch { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; padding: 1.9rem 2rem; margin-bottom: 1.9rem; }
.orch h3 { font-family: var(--font-display); font-size: 1.42rem; font-weight: var(--fw-semibold); letter-spacing: -.02em; margin-bottom: .45rem; }
.orch p { font-size: .98rem; color: var(--ink-dim); max-width: 62ch; line-height: 1.62; }
.orch__ring { width: 96px; height: 96px; flex: none; }
.orch__ring circle { transform-origin: 50% 50%; }
.orch__spin { animation: spin 22s linear infinite; transform-origin: 50% 50%; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══════════════════ THE LOOP (scrollytelling) ══════════════ */
.loop { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.loop__sticky { position: sticky; top: 108px; }
.loop__stage { padding: 1.7rem 1.6rem; }
.loop__stagenum {
  font-family: var(--font-mono); font-size: .74rem; color: var(--purple);
  letter-spacing: .1em; margin-bottom: .9rem;
}
.loop__ring { width: 100%; max-width: 260px; margin: 0 auto 1.2rem; }
.loop__beats { display: flex; flex-direction: column; gap: .1rem; }
.loop__beat {
  display: flex; align-items: center; gap: .7rem;
  padding: .45rem .6rem; border-radius: 10px;
  font-size: .87rem; color: var(--ink-faint);
  transition: color .35s var(--ease-out), background-color .35s var(--ease-out);
}
.loop__beat b { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; min-width: 5.4em; }
.loop__beat.is-active { color: var(--ink); background: rgba(77,73,221,.075); }
.loop__beat.is-active b { color: var(--purple); }

.loop__steps { display: flex; flex-direction: column; gap: 1rem; }
.loop__step { padding: 1.55rem 1.6rem; transition: box-shadow .5s var(--ease-out), transform .5s var(--ease-out); }
.loop__step.is-active { box-shadow: inset 0 1px 0 var(--glass-highlight), 0 2px 8px rgba(27,22,80,.05), 0 26px 60px rgba(77,73,221,.2); }
.loop__step__top { display: flex; align-items: center; gap: .8rem; margin-bottom: .7rem; }
.loop__step__idx {
  width: 30px; height: 30px; border-radius: 9px; flex: none;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: .76rem; font-weight: var(--fw-semibold);
  background: rgba(77,73,221,.09); color: var(--purple-deep);
}
.loop__step.is-active .loop__step__idx { background: linear-gradient(135deg, var(--purple-soft), var(--purple)); color: #fff; }
.loop__step h3 { font-family: var(--font-display); font-size: 1.14rem; font-weight: var(--fw-semibold); letter-spacing: -.015em; }
.loop__step__who { margin-left: auto; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); font-weight: var(--fw-medium); }
.loop__step p { font-size: .95rem; color: var(--ink-dim); line-height: 1.6; }
.loop__step code {
  font-family: var(--font-mono); font-size: .8rem;
  background: rgba(77,73,221,.075); color: var(--purple-deep);
  padding: .1rem .38rem; border-radius: 5px;
}
.loop__step--gate .loop__step__idx { background: var(--gate-tint); color: var(--gate); }
.loop__step--gate.is-active .loop__step__idx { background: linear-gradient(135deg, #e0a955, var(--gate)); color: #fff; }

/* ═══════════════════ OBSERVABILITY TRIAD ════════════════════ */
.triad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.obs { padding: 1.6rem 1.55rem 1.7rem; display: flex; flex-direction: column; }
.obs__head { display: flex; align-items: center; gap: .6rem; margin-bottom: .3rem; }
.obs__head h3 { font-family: var(--font-display); font-size: 1.18rem; font-weight: var(--fw-semibold); letter-spacing: -.015em; }
.obs__by { font-family: var(--font-mono); font-size: .68rem; color: var(--purple); letter-spacing: .06em; margin-left: auto; }
.obs > p { font-size: .93rem; color: var(--ink-dim); line-height: 1.6; margin-bottom: 1.15rem; }
.obs__viz {
  border-radius: var(--radius-sm); padding: .9rem;
  background: rgba(255,255,255,.55); border: 1px solid rgba(77,73,221,.09);
  margin-bottom: 1.15rem;
}
.obs__list { display: flex; flex-direction: column; gap: .42rem; margin-top: auto; }
.obs__list li { display: flex; gap: .55rem; font-size: .875rem; color: var(--ink-dim); line-height: 1.5; }
.obs__list svg { width: .95em; height: .95em; flex: none; margin-top: .32rem; color: var(--signal); }

/* mini sparkline + bars */
.spark { width: 100%; height: 64px; }
.spark path.line { fill: none; stroke: var(--purple); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.spark path.area { fill: url(#sparkfill); stroke: none; }
.bars { display: flex; align-items: flex-end; gap: 5px; height: 64px; }
.bars span { flex: 1; border-radius: 4px 4px 2px 2px; background: linear-gradient(180deg, var(--purple-soft), var(--purple)); animation: grow .9s var(--ease-out) both; transform-origin: bottom; }
.bars span:nth-child(4) { background: linear-gradient(180deg, #e0a955, var(--gate)); }
@keyframes grow { from { transform: scaleY(.06); } }
.traj { font-family: var(--font-mono); font-size: .715rem; line-height: 1.75; color: var(--ink-dim); }
.traj i { font-style: normal; color: var(--ink-faint); }
.traj b { color: var(--purple-deep); font-weight: var(--fw-semibold); }
.traj em { font-style: normal; color: var(--signal); }

/* ═══════════════════ AUTONOMY LADDER ════════════════════════ */
.ladder { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 3.5vw, 3rem); align-items: center; }
.ladder__rungs { display: flex; flex-direction: column; gap: .5rem; }
.rung {
  display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: center;
  padding: .95rem 1.15rem; border-radius: var(--radius-sm);
  border: 1px solid transparent; background: rgba(255,255,255,.42);
  transition: all .45s var(--ease-out); cursor: pointer; text-align: left; width: 100%;
}
.rung:hover { background: rgba(255,255,255,.75); }
.rung__badge {
  font-family: var(--font-mono); font-size: .78rem; font-weight: var(--fw-semibold);
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(77,73,221,.08); color: var(--purple-deep); flex: none;
  transition: all .45s var(--ease-out);
}
.rung h4 { font-family: var(--font-display); font-size: 1.02rem; font-weight: var(--fw-semibold); letter-spacing: -.01em; line-height: 1.3; }
.rung p { font-size: .855rem; color: var(--ink-faint); line-height: 1.45; }
.rung.is-on {
  background: rgba(255,255,255,.92); border-color: rgba(77,73,221,.2);
  box-shadow: 0 2px 6px rgba(27,22,80,.04), 0 16px 40px rgba(77,73,221,.14);
}
.rung.is-on .rung__badge { background: linear-gradient(135deg, var(--purple-soft), var(--purple)); color: #fff; }
.rung.is-on p { color: var(--ink-dim); }

.ladder__panel { padding: 1.8rem 1.7rem; }
.ladder__panel h3 { font-family: var(--font-display); font-size: 1.5rem; font-weight: var(--fw-semibold); letter-spacing: -.02em; margin-bottom: .2rem; }
.ladder__kicker { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--purple); margin-bottom: 1.1rem; }
.ladder__panel > p { font-size: .98rem; color: var(--ink-dim); line-height: 1.62; margin-bottom: 1.3rem; }
.ladder__perms { display: flex; flex-direction: column; gap: .5rem; }
.perm { display: flex; align-items: flex-start; gap: .6rem; font-size: .9rem; line-height: 1.5; }
.perm svg { width: 1.05em; height: 1.05em; flex: none; margin-top: .28rem; }
.perm--yes { color: var(--ink); } .perm--yes svg { color: var(--signal); }
.perm--gate { color: var(--ink); } .perm--gate svg { color: var(--gate); }
.perm--no { color: var(--ink-faint); } .perm--no svg { color: var(--ink-faint); }

/* ═══════════════════ COMPLIANCE ═════════════════════════════ */
.comply { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(2rem, 4.5vw, 4rem); align-items: center; }
.controls { padding: 1.5rem 1.5rem 1.6rem; }
.controls__head { display: flex; align-items: center; gap: .6rem; padding-bottom: .9rem; margin-bottom: .3rem; border-bottom: 1px solid rgba(77,73,221,.1); }
.controls__head b { font-family: var(--font-display); font-size: 1.04rem; font-weight: var(--fw-semibold); }
.controls__head .chip { margin-left: auto; padding: .22rem .62rem; font-size: .68rem; }
.ctrl { display: grid; grid-template-columns: 1fr auto; gap: .8rem; align-items: center; padding: .72rem .1rem; border-bottom: 1px solid rgba(77,73,221,.06); }
.ctrl:last-child { border-bottom: 0; }
.ctrl__name { font-size: .9rem; font-weight: var(--fw-medium); letter-spacing: -.005em; }
.ctrl__frames { display: flex; gap: .3rem; flex-wrap: wrap; margin-top: .24rem; }
.ctrl__frames span { font-family: var(--font-mono); font-size: .625rem; padding: .12rem .38rem; border-radius: 5px; background: rgba(77,73,221,.075); color: var(--purple-deep); }
.ctrl__state { font-family: var(--font-mono); font-size: .68rem; font-weight: var(--fw-semibold); letter-spacing: .04em; display: inline-flex; align-items: center; gap: .35rem; }
.ctrl__state--ok { color: var(--signal); }
.ctrl__state--drift { color: var(--gate); }
.ctrl__state svg { width: .9em; height: .9em; }

.comply__list { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.8rem; }
.comply__item { display: grid; grid-template-columns: auto 1fr; gap: .95rem; }
.comply__item svg { width: 22px; height: 22px; color: var(--purple); margin-top: .18rem; }
.comply__item h4 { font-family: var(--font-display); font-size: 1.04rem; font-weight: var(--fw-semibold); letter-spacing: -.01em; margin-bottom: .2rem; }
.comply__item p { font-size: .92rem; color: var(--ink-dim); line-height: 1.58; }

/* ═══════════════════ BYO / CUSTOM HARNESS ═══════════════════ */
.byo { display: grid; grid-template-columns: repeat(auto-fit, minmax(228px, 1fr)); gap: 1rem; }
.byo__card { padding: 1.5rem 1.45rem; }
.byo__card h3 { font-family: var(--font-display); font-size: 1.08rem; font-weight: var(--fw-semibold); letter-spacing: -.015em; margin-bottom: .45rem; }
.byo__card p { font-size: .92rem; color: var(--ink-dim); line-height: 1.58; }
.byo__kicker { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--purple); margin-bottom: .7rem; }

.code {
  margin-top: 2rem; padding: 0; overflow: hidden;
}
.code__bar { display: flex; align-items: center; gap: .5rem; padding: .65rem 1.1rem; border-bottom: 1px solid rgba(77,73,221,.1); background: rgba(255,255,255,.5); }
.code__bar b { font-family: var(--font-mono); font-size: .72rem; font-weight: var(--fw-medium); color: var(--ink-dim); }
.code pre { padding: 1.15rem 1.25rem 1.3rem; overflow-x: auto; }
.code code { font-family: var(--font-mono); font-size: .785rem; line-height: 1.8; color: var(--ink-dim); white-space: pre; }
.code .k { color: var(--purple); font-weight: var(--fw-semibold); }
.code .s { color: var(--signal); }
.code .c { color: var(--ink-faint); font-style: italic; }
.code .n { color: var(--gate); }

/* ═══════════════════ PHASES (engagement) ════════════════════ */
.phases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; counter-reset: phase; }
.phase { padding: 1.7rem 1.55rem; position: relative; }
/* Watermark lives on ::after, not ::before — `.glass::before` is the specular
   highlight (opacity:0 until hover, inset:0) and would swallow it. */
.phase::after {
  counter-increment: phase; content: "0" counter(phase);
  position: absolute; top: 1.3rem; right: 1.5rem;
  font-family: var(--font-display); font-size: 2.6rem; font-weight: var(--fw-semibold);
  color: rgba(77,73,221,.2); line-height: 1; z-index: 2; pointer-events: none;
}
.phase__when { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--purple); margin-bottom: .7rem; }
.phase h3 { font-family: var(--font-display); font-size: 1.24rem; font-weight: var(--fw-semibold); letter-spacing: -.02em; margin-bottom: .55rem; }
.phase > p { font-size: .94rem; color: var(--ink-dim); line-height: 1.6; margin-bottom: 1rem; }
.phase ul { display: flex; flex-direction: column; gap: .38rem; }
.phase li { display: flex; gap: .5rem; font-size: .88rem; color: var(--ink-dim); line-height: 1.5; }
.phase li svg { width: .9em; height: .9em; flex: none; margin-top: .35rem; color: var(--purple); }

/* ═══════════════════ POSITIONING TABLE ══════════════════════ */
.vs { padding: .3rem .3rem; overflow-x: auto; }
.vs table { width: 100%; border-collapse: collapse; min-width: 620px; }
.vs th, .vs td { text-align: left; padding: .95rem 1.15rem; font-size: .92rem; }
.vs thead th {
  font-family: var(--font-display); font-size: .8rem; font-weight: var(--fw-semibold);
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint);
  border-bottom: 1px solid rgba(77,73,221,.12);
}
.vs tbody tr { border-bottom: 1px solid rgba(77,73,221,.06); }
.vs tbody tr:last-child { border-bottom: 0; }
.vs tbody th { font-weight: var(--fw-semibold); color: var(--ink); white-space: nowrap; }
.vs td { color: var(--ink-dim); line-height: 1.55; }
.vs tr.is-us { background: rgba(77,73,221,.045); }
.vs tr.is-us th { color: var(--purple-deep); }
.vs tr.is-us td { color: var(--ink); }

/* ═══════════════════ STATS ══════════════════════════════════ */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1rem; }
.stat { padding: 1.5rem 1.4rem; text-align: left; }
.stat__num {
  font-family: var(--font-display); font-size: clamp(2rem, 3.4vw, 2.7rem); font-weight: var(--fw-semibold);
  line-height: 1; letter-spacing: -.03em; color: var(--purple); margin-bottom: .5rem;
  transition: transform .35s var(--ease-spring);
}
.stat:hover .stat__num { transform: scale(1.06); }
.stat__num sup { font-size: .42em; vertical-align: super; color: var(--ink-faint); }
.stat p { font-size: .89rem; color: var(--ink-dim); line-height: 1.5; }
.stats__note { margin-top: 1.1rem; font-size: .8rem; color: var(--ink-faint); }

/* ═══════════════════ FAQ ════════════════════════════════════ */
.faq { display: flex; flex-direction: column; gap: .7rem; max-width: 860px; margin-inline: auto; }
.faq details { padding: 0; overflow: hidden; }
.faq summary {
  display: flex; align-items: center; gap: 1rem; cursor: pointer;
  padding: 1.2rem 1.5rem; list-style: none;
  font-family: var(--font-display); font-size: 1.06rem; font-weight: var(--fw-semibold);
  letter-spacing: -.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; margin-left: auto; flex: none;
  width: 11px; height: 11px; border-right: 1.8px solid var(--purple); border-bottom: 1.8px solid var(--purple);
  transform: rotate(45deg) translateY(-2px); transition: transform .35s var(--ease-out);
}
.faq details[open] summary::after { transform: rotate(225deg) translateY(-2px); }
.faq__body { padding: 0 1.5rem 1.4rem; }
.faq__body p { font-size: .95rem; color: var(--ink-dim); line-height: 1.66; max-width: 68ch; }

/* ═══════════════════ CTA BAND ═══════════════════════════════ */
.cta { position: relative; overflow: hidden; text-align: center; padding-block: clamp(5rem, 9vw, 8rem); }
.cta__inner { position: relative; z-index: 2; }
.cta h2 {
  font-family: var(--font-display); font-weight: var(--fw-semibold);
  font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.06; letter-spacing: -.025em;
  margin-bottom: 1rem; text-wrap: balance;
}
.cta h2 em { font-style: italic; color: var(--purple); }
.cta p { color: var(--ink-dim); max-width: 54ch; margin: 0 auto 2rem; font-size: 1.08rem; }
.cta__btns { display: flex; flex-wrap: wrap; gap: .8rem; justify-content: center; }

/* ═══════════════════ FOOTER ═════════════════════════════════ */
.footer { border-top: 1px solid rgba(77,73,221,.1); padding-block: 3.4rem 2.2rem; }
.footer__grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 2.4rem; margin-bottom: 2.6rem; }
.footer__about { max-width: 34ch; font-size: .9rem; color: var(--ink-dim); line-height: 1.6; margin-top: .9rem; }
.footer__col h4 { font-family: var(--font-display); font-size: .84rem; font-weight: var(--fw-semibold); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: .9rem; }
.footer__col a, .footer__col p { display: block; font-size: .92rem; color: var(--ink-dim); padding: .22rem 0; }
.footer__col a { position: relative; width: fit-content; }
.footer__col a::after { content: ""; position: absolute; left: 0; bottom: .18rem; width: 0; height: 1px; background: var(--purple); transition: width .3s var(--ease-out); }
.footer__col a:hover { color: var(--ink); } .footer__col a:hover::after { width: 100%; }
.footer__base { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; padding-top: 1.6rem; border-top: 1px solid rgba(77,73,221,.08); }
.footer__base p { font-size: .84rem; color: var(--ink-faint); }
.footer__totop { display: inline-flex; align-items: center; gap: .45rem; font-size: .84rem; color: var(--ink-dim); }
.footer__totop svg { width: .9em; height: .9em; transition: transform .3s var(--ease-out); }
.footer__totop:hover svg { transform: translateY(-3px); }

/* ═══════════════════ Scroll reveal ══════════════════════════ */
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ═══════════════════ Reduced motion ═════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  .media-bg__video { display: none; }
  .px__layer { transform: none !important; }
}

/* ═══════════════════ Responsive ═════════════════════════════ */
@media (max-width: 1080px) {
  .planes, .triad, .phases { grid-template-columns: repeat(2, 1fr); }
  .graph__wrap { grid-template-columns: 1fr; }
  .graph__stage { max-width: 560px; margin-inline: auto; }
  .evolve__track { grid-template-columns: repeat(2, 1fr); gap: 1.6rem 1.2rem; }
  .evolve__track::before { display: none; }
  .evolve__stage { padding-top: 1.9rem; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__terminal { max-width: 620px; }
  .loop { grid-template-columns: 1fr; }
  .loop__sticky { position: static; }
  .loop__ring { display: none; }
  .ladder, .comply { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; margin-left: auto; }
  .orch { grid-template-columns: 1fr; }
  .orch__ring { display: none; }
}
@media (max-width: 720px) {
  .planes, .triad, .phases { grid-template-columns: 1fr; }
  .evolve__track { grid-template-columns: 1fr; gap: 1.4rem; }
  .footer__grid { grid-template-columns: 1fr; }
  .terminal__body { min-height: 260px; font-size: .72rem; }
  .terminal__bar { padding: .6rem .85rem; }
  .terminal__bar b { font-size: .66rem; }
  .terminal__bar .chip { display: none; }   /* the L3 badge is restated in the copy */
  .section { padding-block: clamp(4rem, 12vw, 6rem); }
  .hero { padding-top: 7.5rem; }
}