/* ============================================================
   hedgewing.ai - redesign
   Dark-tech institutional quant. One accent: emerald-teal.
   Type: Geist (display/body) + JetBrains Mono (numeric/labels)
   ============================================================ */

:root {
  --bg: #04060d;
  --bg-1: #070b16;
  --bg-2: #0a1020;
  --surface: rgba(255, 255, 255, 0.024);
  --surface-2: rgba(255, 255, 255, 0.045);
  --border: rgba(255, 255, 255, 0.075);
  --border-2: rgba(255, 255, 255, 0.13);

  --text: #e9eef8;
  --muted: #9aa6bd;
  --faint: #6b7488;

  --accent: #2fe6a6;
  --accent-2: #36e3d2;
  --accent-deep: #0e6f55;
  --accent-rgb: 47, 230, 166;
  --accent-2-rgb: 54, 227, 210;
  --accent-glow: rgba(var(--accent-rgb), 0.18);
  --on-accent: #04140d;

  --maxw: 1240px;
  --r: 14px;
  --r-sm: 10px;
  --r-pill: 999px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --sans: "Geist", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  font-feature-settings: "ss01", "cv01";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-weight: 600; line-height: 1.04; letter-spacing: -0.02em; }
canvas { display: block; }

.accent { color: var(--accent); }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent); color: #04060d; padding: 10px 16px; border-radius: 0 0 8px 0;
  font: 600 14px var(--sans);
}
.skip:focus { left: 0; }

/* ----- scroll progress ----- */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 120;
  background: transparent; pointer-events: none;
}
.scroll-progress span {
  display: block; height: 100%; width: 100%;
  transform: scaleX(0); transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent-glow);
}

/* ============================ BUTTONS ============================ */
.btn {
  --pad-y: 10px; --pad-x: 18px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: var(--pad-y) var(--pad-x);
  border-radius: var(--r-pill);
  font: 600 14.5px var(--sans); letter-spacing: -0.01em;
  white-space: nowrap; cursor: pointer; border: 1px solid transparent;
  transition: transform 0.18s var(--ease), background 0.2s var(--ease),
    border-color 0.2s var(--ease), box-shadow 0.25s var(--ease);
}
.btn--lg { --pad-y: 14px; --pad-x: 26px; font-size: 15.5px; }
.btn--block { width: 100%; }
.btn--solid {
  background: var(--accent); color: var(--on-accent);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.35), 0 14px 40px -16px var(--accent);
}
.btn--solid:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px var(--accent), 0 20px 48px -16px var(--accent); }
.btn--solid:active { transform: translateY(0) scale(0.98); }
.btn--ghost { background: var(--surface); color: var(--text); border-color: var(--border-2); backdrop-filter: blur(6px); }
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); }
.btn--ghost:active { transform: translateY(0) scale(0.98); }

.link-quiet { color: var(--muted); font-size: 14.5px; transition: color 0.2s; }
.link-quiet:hover { color: var(--text); }

/* ============================ NAV ============================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(4, 6, 13, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--border);
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto; height: 68px; padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 600; font-size: 17px; letter-spacing: -0.02em; }
.brand__mark { color: var(--accent); display: grid; place-items: center; filter: drop-shadow(0 0 10px var(--accent-glow)); }
.brand__dot { color: var(--accent); }
.nav__links { display: flex; gap: 26px; }
.nav__links a { color: var(--muted); font-size: 14.5px; transition: color 0.2s; }
.nav__links a:hover { color: var(--text); }
.nav__right { display: flex; align-items: center; gap: 18px; }

.ticker-live {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 11.5px var(--mono); color: var(--faint); letter-spacing: 0.02em;
}
.ticker-live__clock { color: var(--muted); }
.ticker-live__dot, .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow); animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.45); }
  70% { box-shadow: 0 0 0 7px rgba(var(--accent-rgb), 0); }
  100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0); }
}

/* ============================ HERO ============================ */
.hero { position: relative; height: 280vh; }
.hero__pin {
  position: sticky; top: 0; height: 100vh; height: 100dvh;
  overflow: hidden; display: flex; background: var(--bg);
}
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; }
.hero__veil {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background:
    radial-gradient(120% 90% at 78% 42%, transparent 0%, transparent 42%, rgba(4, 6, 13, 0.55) 78%, var(--bg) 100%),
    linear-gradient(90deg, var(--bg) 0%, rgba(4, 6, 13, 0.55) 32%, transparent 60%);
}

.hero__hud {
  position: absolute; left: 28px; bottom: 26px; z-index: 4;
  display: inline-flex; align-items: center; gap: 9px;
  font: 500 11.5px var(--mono); color: var(--muted); letter-spacing: 0.04em;
}
.dot--accent { width: 6px; height: 6px; }

.hero__grid {
  position: relative; z-index: 3; width: 100%; max-width: var(--maxw);
  margin: 0 auto; padding: 0 28px; align-self: center;
}
.hero__copy { max-width: 560px; will-change: opacity, transform; }
.hero__title {
  font-size: clamp(3rem, 8.2vw, 6.4rem); letter-spacing: -0.035em; line-height: 0.94;
  font-weight: 600;
}
.hero__title .accent { font-style: italic; padding-right: 0.04em; }
.hero__sub {
  margin-top: 26px; max-width: 38ch; color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.18rem); line-height: 1.6;
}
.hero__cta { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__fine { margin-top: 18px; font: 500 12.5px var(--mono); color: var(--faint); }

.hero__caption {
  position: absolute; inset: auto 0 16vh 0; z-index: 3; text-align: center;
  opacity: 0; transform: translateY(14px); will-change: opacity, transform;
  padding: 0 28px;
}
.hero__caption-line { font-size: clamp(1.5rem, 3.4vw, 2.6rem); font-weight: 600; letter-spacing: -0.03em; }
.hero__caption-sub { margin-top: 10px; color: var(--muted); font: 500 13px var(--mono); letter-spacing: 0.02em; }

/* ============================ SECTIONS ============================ */
.section { position: relative; padding: clamp(80px, 12vh, 150px) 0; }
.sec-head { max-width: 760px; margin-bottom: 56px; }
.sec-title { font-size: clamp(2rem, 4.6vw, 3.4rem); letter-spacing: -0.035em; }
.sec-title--center { text-align: center; margin: 0 auto; }
.sec-lede { margin-top: 20px; color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.18rem); max-width: 58ch; line-height: 1.6; }
.sec-lede--center { text-align: center; margin-left: auto; margin-right: auto; margin-top: 16px; }

/* reveal */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* staggered children (Emil: cascade entrances) */
.reveal.is-stagger { opacity: 1; transform: none; }
.reveal.is-stagger > * { opacity: 0; transform: translateY(16px); transition: opacity 0.55s var(--ease), transform 0.55s var(--ease); }
.reveal.is-stagger.in > * { opacity: 1; transform: none; }
.reveal.is-stagger.in > *:nth-child(2) { transition-delay: 0.06s; }
.reveal.is-stagger.in > *:nth-child(3) { transition-delay: 0.12s; }
.reveal.is-stagger.in > *:nth-child(4) { transition-delay: 0.18s; }
.reveal.is-stagger.in > *:nth-child(5) { transition-delay: 0.24s; }
.reveal.is-stagger.in > *:nth-child(6) { transition-delay: 0.30s; }
/* touch devices: no sticky hover lifts (press feedback lives on :active) */
@media (hover: none) {
  .btn:hover, .model:hover, .tier:hover { transform: none; }
}

/* ============================ ENSEMBLE ============================ */
.ensemble-sec { border-top: 1px solid var(--border); background: transparent; }
.ensemble { display: grid; grid-template-columns: 1.05fr 0.45fr 0.95fr; gap: 0; align-items: center; }
.ensemble__models { display: grid; gap: 14px; }
.model {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px;
  padding: 18px 20px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease);
}
.model:hover { border-color: var(--border-2); background: var(--surface-2); transform: translateX(4px); }
.model__idx { font: 600 13px var(--mono); color: var(--accent); }
.model__body h3 { font-size: 1.06rem; letter-spacing: -0.02em; }
.model__body p { color: var(--muted); font-size: 0.88rem; margin-top: 3px; }
.model__h {
  font: 600 12px var(--mono); color: var(--text);
  border: 1px solid var(--border-2); border-radius: var(--r-pill);
  padding: 4px 11px; background: rgba(var(--accent-rgb), 0.06);
}
.ensemble__merge { align-self: stretch; display: grid; place-items: center; padding: 0 4px; }
.ensemble__merge svg { width: 100%; height: 100%; max-height: 360px; overflow: visible; }
.ensemble__merge path { fill: none; stroke-linecap: round; }
.ensemble__merge .wire {
  stroke: rgba(var(--accent-rgb), 0.22); stroke-width: 1.2;
  stroke-dasharray: 100; stroke-dashoffset: 100;
  transition: stroke-dashoffset 1.1s var(--ease);
}
.ensemble.in .ensemble__merge .wire { stroke-dashoffset: 0; }
.ensemble.in .ensemble__merge .wire:nth-child(2) { transition-delay: 0.08s; }
.ensemble.in .ensemble__merge .wire:nth-child(3) { transition-delay: 0.16s; }
.ensemble.in .ensemble__merge .wire:nth-child(4) { transition-delay: 0.24s; }
.ensemble__merge .flow {
  stroke: var(--accent); stroke-width: 1.8;
  stroke-dasharray: 4 96; stroke-dashoffset: 100; opacity: 0;
  filter: drop-shadow(0 0 4px rgba(var(--accent-rgb), 0.7));
}
@media (prefers-reduced-motion: no-preference) {
  .ensemble.in .ensemble__merge .flow { opacity: 1; animation: flow 2.4s linear infinite; }
  .ensemble.in .ensemble__merge .flow:nth-child(6) { animation-delay: 0.5s; }
  .ensemble.in .ensemble__merge .flow:nth-child(7) { animation-delay: 1s; }
  .ensemble.in .ensemble__merge .flow:nth-child(8) { animation-delay: 1.5s; }
}
@keyframes flow { from { stroke-dashoffset: 100; } to { stroke-dashoffset: 0; } }
.ensemble__out { display: grid; gap: 18px; }
.meta-node {
  padding: 22px; border-radius: var(--r);
  background: linear-gradient(160deg, rgba(var(--accent-rgb), 0.08), rgba(var(--accent-2-rgb), 0.02));
  border: 1px solid rgba(var(--accent-rgb), 0.28);
}
.meta-node__tag { font: 600 11px var(--mono); letter-spacing: 0.14em; color: var(--accent); }
.meta-node h3 { margin-top: 8px; font-size: 1.3rem; }
.meta-node p { margin-top: 8px; color: var(--muted); font-size: 0.95rem; }
.out-node {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 0 6px;
  padding: 20px 22px; border-radius: var(--r);
  background: var(--surface); border: 1px solid var(--border);
}
.out-node__val { font: 700 3.4rem var(--mono); line-height: 1; letter-spacing: -0.04em; }
.out-node__pct { font: 700 1.6rem var(--mono); }
.out-node__cap { flex-basis: 100%; margin-top: 8px; color: var(--muted); font: 500 12px var(--mono); }

/* ============================ COVERAGE ============================ */
.coverage-sec { background: transparent; border-top: 1px solid var(--border); }
.stats { margin-top: 64px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat { padding: 8px 28px; border-left: 1px solid var(--border); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat__num { font: 700 clamp(3rem, 6vw, 5rem) var(--mono); letter-spacing: -0.05em; line-height: 1; display: block; }
.stat__plus { color: var(--accent); }
.stat__label { display: block; margin-top: 14px; font: 600 12px var(--mono); letter-spacing: 0.12em; color: var(--accent); }
.stat__desc { display: block; margin-top: 10px; color: var(--muted); font-size: 0.92rem; max-width: 24ch; }

/* ============================ PROOF ============================ */
.proof-sec { background: transparent; border-top: 1px solid var(--border); }
.proof { display: grid; grid-template-columns: 1fr 0.85fr; gap: 64px; align-items: center; }
.proof__list { margin-top: 30px; display: grid; gap: 14px; list-style: none; }
.proof__list li { color: var(--muted); font-size: 0.98rem; padding-left: 2px; }
.proof__k { color: var(--text); font-weight: 600; margin-right: 8px; }
.proof__viz { position: relative; display: grid; gap: 22px; justify-items: stretch; }
.card-readout {
  border-radius: var(--r); border: 1px solid var(--border-2);
  background: linear-gradient(160deg, var(--bg-2), rgba(10, 16, 32, 0.4));
  padding: 20px 22px; box-shadow: 0 30px 80px -40px rgba(0, 0, 0, 0.8);
}
.card-readout__top { display: flex; align-items: center; justify-content: space-between; }
.card-readout__tk { font: 700 1.4rem var(--mono); letter-spacing: -0.02em; }
.card-readout__tag { font: 500 10.5px var(--mono); color: var(--faint); letter-spacing: 0.08em; border: 1px solid var(--border); border-radius: var(--r-pill); padding: 3px 9px; }
.card-readout__mid { margin-top: 14px; display: flex; align-items: baseline; gap: 12px; }
.card-readout__dir { font: 700 1.05rem var(--mono); }
.card-readout__hz { color: var(--muted); font: 500 12.5px var(--mono); }
.card-readout__bar { margin-top: 16px; height: 8px; border-radius: var(--r-pill); background: rgba(255, 255, 255, 0.06); overflow: hidden; }
.card-readout__bar span { display: block; height: 100%; width: var(--w, 0%); transform: scaleX(0); transform-origin: left center; border-radius: inherit; background: linear-gradient(90deg, var(--accent-deep), var(--accent)); transition: transform 1.1s var(--ease); }
.card-readout__foot { margin-top: 12px; display: flex; justify-content: space-between; font: 500 12.5px var(--mono); color: var(--muted); }
.calib { width: 100%; height: 200px; border-radius: var(--r); border: 1px solid var(--border); background: var(--surface); }
.calib__cap { text-align: center; font: 500 11px var(--mono); color: var(--faint); letter-spacing: 0.03em; margin-top: -8px; }

/* ============================ PRICING ============================ */
.pricing-sec { background: transparent; border-top: 1px solid var(--border); }
.tiers { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; }
.tier {
  position: relative; padding: 30px 28px; border-radius: var(--r);
  background: var(--surface); border: 1px solid var(--border);
  display: grid; gap: 22px; transition: border-color 0.25s, transform 0.25s var(--ease);
}
.tier:hover { border-color: var(--border-2); transform: translateY(-3px); }
.tier--pop {
  border-color: rgba(var(--accent-rgb), 0.4);
  background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.06), var(--surface));
  box-shadow: 0 40px 90px -50px var(--accent);
}
.tier__flag {
  position: absolute; top: -11px; left: 28px;
  font: 600 10.5px var(--mono); letter-spacing: 0.1em; color: var(--on-accent);
  background: var(--accent); padding: 4px 12px; border-radius: var(--r-pill);
}
.tier__name { font-size: 1.25rem; }
.tier__price { margin-top: 14px; font: 700 3rem var(--mono); letter-spacing: -0.04em; line-height: 1; display: flex; align-items: baseline; }
.tier__cur { font-size: 1.5rem; margin-right: 2px; color: var(--muted); }
.tier__per { font: 500 0.85rem var(--mono); color: var(--muted); margin-left: 8px; letter-spacing: 0; }
.tier__pitch { margin-top: 14px; color: var(--muted); font-size: 0.95rem; }
.tier__feats { list-style: none; display: grid; gap: 12px; }
.tier__feats li { position: relative; padding-left: 26px; color: var(--text); font-size: 0.94rem; }
.tier__feats li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 14px; height: 8px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.tier__alt { text-align: center; font: 500 12px var(--mono); color: var(--faint); margin-top: -6px; }

/* ============================ COMPARE ============================ */
.compare-sec { background: transparent; border-top: 1px solid var(--border); }
.chasm { margin: 8px 0 56px; display: grid; gap: 22px; max-width: 920px; }
.chasm__row { display: grid; grid-template-columns: 200px 1fr 130px; align-items: center; gap: 22px; }
.chasm__name { font: 500 14px var(--mono); color: var(--muted); }
.chasm__track { height: 40px; border-radius: var(--r-sm); background: rgba(255, 255, 255, 0.035); overflow: hidden; border: 1px solid var(--border); }
.chasm__fill { display: block; height: 100%; width: 0; transform: scaleX(0); transform-origin: left center; border-radius: inherit; transition: transform 1.2s var(--ease); }
.chasm__fill--max { background: linear-gradient(90deg, #3a4256, #525d76); }
.chasm__fill--mid { background: linear-gradient(90deg, #344056, #45516b); }
.chasm__fill--us { background: linear-gradient(90deg, var(--accent-deep), var(--accent)); box-shadow: 0 0 24px var(--accent-glow); min-width: 6px; }
.chasm__val { font: 600 15px var(--mono); text-align: right; letter-spacing: -0.02em; }
.chasm__val small { color: var(--faint); font-weight: 500; }
.chasm__row--us .chasm__name { color: var(--text); }
.chasm__note { grid-column: 1 / -1; text-align: center; margin-top: 6px; font-size: 1.05rem; color: var(--muted); }

.versus { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--border); }
.versus li { display: grid; gap: 8px; padding: 24px 28px; border-bottom: 1px solid var(--border); }
.versus li:nth-child(odd) { border-right: 1px solid var(--border); }
.versus__a { font: 600 13px var(--mono); color: var(--accent); letter-spacing: 0.02em; }
.versus__b { color: var(--muted); font-size: 0.96rem; line-height: 1.55; }

/* ============================ CTA ============================ */
.cta-sec { background: transparent; border-top: 1px solid var(--border); overflow: hidden; }
.cta { text-align: center; position: relative; }
.cta::before {
  content: ""; position: absolute; inset: -40% 0 auto 0; height: 600px; margin: auto;
  background: radial-gradient(50% 50% at 50% 30%, var(--accent-glow), transparent 70%);
  pointer-events: none; z-index: 0;
}
.cta__title { position: relative; z-index: 1; font-size: clamp(2.6rem, 7vw, 5.4rem); letter-spacing: -0.04em; }
.cta__title .accent { font-style: italic; }
.cta__sub { position: relative; z-index: 1; margin: 22px auto 0; color: var(--muted); max-width: 46ch; font-size: 1.1rem; }
.cta__row { position: relative; z-index: 1; margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================ FOOTER ============================ */
.footer { background: var(--bg); border-top: 1px solid var(--border); padding: 72px 0 40px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer__brand p { margin-top: 16px; color: var(--muted); font-size: 0.92rem; max-width: 34ch; }
.brand--foot { font-size: 16px; }
.footer__col h4 { font: 600 11.5px var(--mono); letter-spacing: 0.12em; color: var(--faint); margin-bottom: 16px; }
.footer__col a { display: block; color: var(--muted); font-size: 0.92rem; padding: 5px 0; transition: color 0.2s; }
.footer__col a:hover { color: var(--accent); }
.footer__legal { margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--border); display: flex; gap: 32px; align-items: flex-start; flex-wrap: wrap; }
.footer__legal p { font-size: 0.8rem; color: var(--faint); }
.footer__disc { max-width: 70ch; }

/* ============================ RESPONSIVE ============================ */
@media (max-width: 940px) {
  .nav__links { display: none; }
  .ticker-live { display: none; }
  .ensemble { grid-template-columns: 1fr; gap: 22px; }
  .ensemble__merge { display: none; }
  .proof { grid-template-columns: 1fr; gap: 40px; }
  .tiers { grid-template-columns: 1fr; max-width: 460px; margin-left: auto; margin-right: auto; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .wrap { padding: 0 20px; }
  .nav__inner { padding: 0 20px; }
  .hero { height: 240vh; }
  .hero__sub { max-width: none; }
  .stats { grid-template-columns: 1fr 1fr; gap: 36px 0; }
  .stat { padding: 8px 20px; }
  .stat:nth-child(odd) { border-left: 0; padding-left: 0; }
  .chasm__row { grid-template-columns: 1fr; gap: 8px; }
  .chasm__track { height: 30px; }
  .chasm__val { text-align: left; }
  .versus { grid-template-columns: 1fr; }
  .versus li:nth-child(odd) { border-right: 0; }
  .footer__grid { grid-template-columns: 1fr; }
}

/* ============================ REDUCED MOTION ============================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .dot, .ticker-live__dot { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ============================ COLOR SCHEMES ============================ */
/* Default (emerald) lives in :root. Each scheme relocks accent + background. */
html[data-theme="cyan"] {
  --accent: #38c8f2; --accent-2: #6fe0ff; --accent-deep: #0c5d86;
  --accent-rgb: 56, 200, 242; --accent-2-rgb: 111, 224, 255;
  --on-accent: #03121b;
  --bg: #040711; --bg-1: #070d1c; --bg-2: #0a1526;
}
html[data-theme="amber"] {
  --accent: #f6b43e; --accent-2: #ffd483; --accent-deep: #8a5a14;
  --accent-rgb: 246, 180, 62; --accent-2-rgb: 255, 212, 131;
  --on-accent: #1c1303;
  --bg: #09070b; --bg-1: #100c0a; --bg-2: #16110c;
}
html[data-theme="violet"] {
  --accent: #9d8cff; --accent-2: #c6b6ff; --accent-deep: #4a3aa6;
  --accent-rgb: 157, 140, 255; --accent-2-rgb: 198, 182, 255;
  --on-accent: #0c0820;
  --bg: #06060f; --bg-1: #0a0a1b; --bg-2: #0e0e26;
}
html[data-theme="rose"] {
  --accent: #ff5d92; --accent-2: #ff95b8; --accent-deep: #8f2249;
  --accent-rgb: 255, 93, 146; --accent-2-rgb: 255, 149, 184;
  --on-accent: #1c0610;
  --bg: #0a060c; --bg-1: #120a14; --bg-2: #18101c;
}

/* ============================ THEME SWITCHER ============================ */
.theme-dots { display: inline-flex; align-items: center; gap: 8px; }
.theme-dot {
  width: 16px; height: 16px; border-radius: 50%; padding: 0; cursor: pointer;
  background: var(--sw); border: 1px solid rgba(255, 255, 255, 0.25);
  transition: transform 0.15s var(--ease), box-shadow 0.2s var(--ease);
}
@media (hover: hover) { .theme-dot:hover { transform: scale(1.2); } }
.theme-dot:active { transform: scale(0.92); }
.theme-dot[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--bg), 0 0 0 3px var(--sw); }
.theme-dot:focus-visible { outline: 2px solid var(--sw); outline-offset: 3px; }
@media (max-width: 760px) {
  .nav__right .link-quiet { display: none; }
  .theme-dot { width: 15px; height: 15px; }
}

/* ============================ ATMOSPHERE & POLISH ============================ */
/* film grain: fixed, non-scrolling, pointer-safe (perf rule 6.E) */
.grain {
  position: fixed; inset: 0; z-index: 60; pointer-events: none; opacity: 0.045;
  mix-blend-mode: overlay;
  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='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}


/* cursor spotlight on interactive cards */
.model, .tier { position: relative; }
@media (hover: hover) {
  .model::before, .tier::before {
    content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 0;
    background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 0%), rgba(var(--accent-rgb), 0.12), transparent 60%);
    opacity: 0; transition: opacity 0.3s var(--ease);
  }
  .model:hover::before, .tier:hover::before { opacity: 1; }
}
.model > *, .tier > * { position: relative; z-index: 1; }

/* hero ignition: copy resolves in after the field lights up */
@media (prefers-reduced-motion: no-preference) {
  .hero__title, .hero__sub, .hero__cta, .hero__fine {
    transition: opacity 0.85s var(--ease), transform 0.85s var(--ease), filter 0.85s var(--ease);
  }
  body:not(.is-ready) .hero__title,
  body:not(.is-ready) .hero__sub,
  body:not(.is-ready) .hero__cta,
  body:not(.is-ready) .hero__fine { opacity: 0; transform: translateY(18px); filter: blur(8px); }
  body.is-ready .hero__sub { transition-delay: 0.12s; }
  body.is-ready .hero__cta { transition-delay: 0.24s; }
  body.is-ready .hero__fine { transition-delay: 0.34s; }
}

/* ============================ MOBILE FIXES ============================ */
.ensemble-sec, .compare-sec { overflow: hidden; }
@media (max-width: 760px) {
  .hero__canvas { opacity: 0.62; }
  .hero__veil {
    background:
      radial-gradient(130% 75% at 50% 42%, transparent 0%, rgba(4, 6, 13, 0.5) 68%, var(--bg) 100%),
      linear-gradient(180deg, rgba(4, 6, 13, 0.6), transparent 42%);
  }
}
@media (max-width: 600px) {
  .nav__inner { gap: 12px; }
  .nav__right { gap: 12px; }
  .nav__right .btn--solid { display: none; }
}

/* ============================ AMBIENT BACKGROUND ============================ */
/* one living layer behind every post-hero section (hero keeps its solid bg) */
.ambient { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.ambient__grid {
  position: absolute; inset: -8%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 38%, #000 0%, transparent 78%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 38%, #000 0%, transparent 78%);
  animation: gridDrift 40s linear infinite; will-change: transform;
}
@keyframes gridDrift { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(-46px, -46px, 0); } }
.ambient__aurora { position: absolute; width: 62vw; height: 62vw; max-width: 840px; max-height: 840px; border-radius: 50%; will-change: transform; }
.ambient__aurora--1 { top: 3%; left: -12%; background: radial-gradient(circle, rgba(var(--accent-rgb), 0.12), transparent 62%); animation: aur1 36s ease-in-out infinite alternate; }
.ambient__aurora--2 { bottom: -8%; right: -10%; background: radial-gradient(circle, rgba(var(--accent-2-rgb), 0.09), transparent 62%); animation: aur2 46s ease-in-out infinite alternate; }
@keyframes aur1 { from { transform: translate3d(0, 0, 0) scale(1); } to { transform: translate3d(14vw, 10vh, 0) scale(1.3); } }
@keyframes aur2 { from { transform: translate3d(0, 0, 0) scale(1.15); } to { transform: translate3d(-12vw, -8vh, 0) scale(0.95); } }
@media (prefers-reduced-motion: reduce) { .ambient__grid, .ambient__aurora { animation: none; } }

/* replay-friendly bar fills (driven by .in so they re-run on re-entry) */
.chasm.in .chasm__fill { transform: scaleX(1); }
.chasm.in .chasm__row:nth-child(2) .chasm__fill { transition-delay: 0.18s; }
.chasm.in .chasm__row:nth-child(3) .chasm__fill { transition-delay: 0.36s; }
.proof__viz.in .card-readout__bar span { transform: scaleX(1); }