/* =========================================================================
   1. @font-face
   ========================================================================= */
@font-face {
  font-family: 'Sora';
  font-style: normal;
  font-weight: 500 600;
  font-display: swap;
  src: url('../fonts/sora-500-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/publicsans-400.woff2') format('woff2');
}

/* =========================================================================
   2. Reset
   ========================================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
button, input, textarea { font: inherit; color: inherit; }
a { text-decoration: none; }
ol, ul { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }

/* =========================================================================
   3. Tokens
   ========================================================================= */
:root {
  /* brand — single chroma */
  --accent: #12A0E8;
  --accent-ink: #04070c;
  --accent-soft: color-mix(in srgb, var(--accent) 10%, transparent);
  --accent-line: color-mix(in srgb, var(--accent) 32%, transparent);
  --accent-line-md: color-mix(in srgb, var(--accent) 42%, transparent);
  --accent-line-lg: color-mix(in srgb, var(--accent) 65%, transparent);
  --accent-glow: color-mix(in srgb, var(--accent) 30%, transparent);

  /* surfaces */
  --bg: #060910;
  --surface: #0b111a;
  --surface-2: #0a0f17;
  --footer-bg: #080c14;
  --grad-hero: linear-gradient(150deg, #0c1622, #070c14 62%);
  --grad-compliance: linear-gradient(150deg, #0a1520, #070c14 65%);
  --field-bg: rgba(11, 17, 26, .9);

  /* hairlines */
  --line-faint: rgba(255, 255, 255, .06);
  --line: rgba(255, 255, 255, .08);
  --line-md: rgba(255, 255, 255, .09);
  --line-hover: rgba(255, 255, 255, .18);
  --line-hover-lg: rgba(255, 255, 255, .45);

  /* ink */
  --ink: #f2f5f7;
  --ink-2: #dfe4e7;
  --ink-3: #a3aeb7;
  --ink-4: #8d98a1;
  --ink-5: #8b98a4;
  --placeholder: #7c8894;

  /* radii */
  --r-lg: 22px;
  --r-md: 18px;
  --r-token: 16px;
  --r-sm: 12px;
  --r-pill: 100px;

  /* space */
  --gap: 14px;
  --pad-x: clamp(16px, 3vw, 32px);
  --pad-card: clamp(28px, 3.5vw, 44px);
  --pad-hero: clamp(30px, 4vw, 56px);
  --sec-y: clamp(60px, 8vw, 110px);
  --maxw: 1460px;

  /* type */
  --f-display: 'Sora', ui-sans-serif, system-ui, sans-serif;
  --f-body: 'Public Sans', ui-sans-serif, system-ui, sans-serif;
  --t-h1: clamp(2.4rem, 5.6vw, 4.9rem);
  --t-h2: clamp(1.7rem, 3.4vw, 2.7rem);
  --t-h2-xl: clamp(2.2rem, 4.4vw, 3.6rem);
  --t-h3: 18.5px;
  --t-lead: clamp(15.5px, 1.4vw, 18px);
  --t-body: 16px;
  --t-sm: 15.5px;
  --t-xs: 14.5px;
  --t-2xs: 13.5px;
  --t-micro: 11.5px;

  /* motion */
  --dur: .28s;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out-strong: cubic-bezier(.16, 1, .3, 1);

  /* glass */
  --glass-bg: rgba(13, 19, 28, .58);
  --glass-bg-strong: rgba(10, 15, 23, .68);
  --glass-border: rgba(255, 255, 255, .09);
  --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, .07), inset 0 0 0 1px rgba(255, 255, 255, .04);
  --spotlight-size: 480px;
}

/* =========================================================================
   4. Utilities
   ========================================================================= */
.u-visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; margin: -1px; padding: 0; border: 0;
}

.skip-link {
  position: absolute; top: -48px; left: 12px; z-index: 100;
  background: var(--accent); color: var(--accent-ink);
  font-family: var(--f-display); font-weight: 600; font-size: 14px;
  padding: 12px 20px; border-radius: var(--r-sm);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =========================================================================
   5. Layout primitives
   ========================================================================= */
body {
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    radial-gradient(700px circle at 14% -6%, color-mix(in srgb, var(--accent) 17%, transparent), transparent 62%),
    radial-gradient(600px circle at 94% 14%, color-mix(in srgb, var(--accent) 11%, transparent), transparent 65%),
    radial-gradient(900px circle at 50% 115%, rgba(255, 255, 255, .045), transparent 72%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%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)' opacity='0.035'/%3E%3C/svg%3E");
  background-repeat: no-repeat, no-repeat, no-repeat, repeat;
  background-attachment: fixed, fixed, fixed, scroll;
  color: var(--ink);
  font-family: var(--f-body);
  position: relative;
  overflow-x: hidden;
}

.section {
  padding: var(--sec-y) var(--pad-x) 0;
  max-width: var(--maxw);
  margin: 0 auto;
}
.section--hero {
  /* fixed .site-header is ~73px tall regardless of viewport; clear it with margin, not vw guesswork */
  padding-top: clamp(96px, 12vw, 124px);
}

.section__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 26px;
}

.eyebrow {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--accent);
}

.rule { flex: 1; height: 1px; background: linear-gradient(90deg, var(--accent-line), var(--line) 40%); }

.grid { display: grid; gap: var(--gap); }

/* =========================================================================
   6. Components
   ========================================================================= */

/* -- header / nav -- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 14px var(--pad-x);
  background: rgba(6, 9, 16, .78);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line-faint);
}

.site-header__logo { height: 40px; width: auto; display: block; }

.nav-pill {
  display: none;
  align-items: center; gap: 8px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: var(--r-pill);
  padding: 5px;
}

.nav-pill a {
  color: #b9c3cb; font-size: 14px; padding: 8px 16px; border-radius: var(--r-pill);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-pill a:focus-visible { background: rgba(255, 255, 255, .07); color: #fff; }
.nav-pill a.is-current { background: rgba(255, 255, 255, .07); color: #fff; }
@media (hover: hover) and (pointer: fine) {
  .nav-pill a:hover { background: rgba(255, 255, 255, .07); color: #fff; }
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--f-display); font-weight: 600; font-size: 14.5px;
  border-radius: var(--r-pill); border: none; cursor: pointer;
  transition: filter var(--dur) var(--ease), transform 160ms var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.btn:active { transform: scale(.97); }
.btn--primary {
  background: var(--accent); color: var(--accent-ink); padding: 14px 28px;
  box-shadow: 0 10px 32px -14px var(--accent-glow);
}
.btn--primary:focus-visible { filter: brightness(1.1); transform: translateY(-2px); }
.btn--primary:active { transform: scale(.97); filter: brightness(1.05); }
.btn--ghost {
  background: transparent; color: var(--ink); border: 1px solid var(--line-hover); padding: 14px 28px;
}
.btn--ghost:focus-visible { border-color: var(--line-hover-lg); background: rgba(255, 255, 255, .04); }
.btn--ghost:active { transform: scale(.97); border-color: var(--line-hover-lg); background: rgba(255, 255, 255, .04); }
@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover { filter: brightness(1.1); transform: translateY(-2px); }
  .btn--ghost:hover { border-color: var(--line-hover-lg); background: rgba(255, 255, 255, .04); }
}
.btn--nav {
  padding: 11px 22px; font-size: 14px;
}

.nav-toggle {
  display: flex; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 12px;
  min-width: 44px; min-height: 44px; align-items: center; justify-content: center;
  transition: transform 160ms var(--ease);
}
.nav-toggle:active { transform: scale(.92); }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); display: block; transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: flex; flex-direction: column;
  position: fixed; top: 58px; left: 0; right: 0; z-index: 59;
  background: #0a0f18; border-bottom: 1px solid var(--line-hover);
  padding: 22px var(--pad-x); gap: 18px;
}
.nav-mobile a { color: #e6e9eb; font-size: 16px; padding: 6px 0; display: block; min-height: 44px; display: flex; align-items: center; }
.nav-mobile a.is-cta { color: var(--accent); font-weight: 700; }
.nav-mobile[hidden] { display: none; }

/* -- cards / tiles -- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}
.card--accent { border-color: var(--accent-line-md); }
.card--lift {
  position: relative; overflow: hidden;
  transform-style: preserve-3d;
  transition: transform var(--dur) var(--ease-out-strong), border-color var(--dur) var(--ease);
}
.card--lift::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(var(--spotlight-size) circle at var(--spot-x, 50%) var(--spot-y, 50%),
    color-mix(in srgb, var(--accent) 16%, transparent), transparent 62%);
  opacity: 0; transition: opacity .35s var(--ease);
}
.card--lift:focus-within {
  transform: translateY(-6px);
  border-color: var(--accent-line-md);
}
@media (hover: hover) and (pointer: fine) {
  .card--lift:hover {
    transform: translateY(-6px) perspective(800px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
    border-color: var(--accent-line-md);
  }
  .card--lift:hover::before { opacity: 1; }
}

.card--glow { position: relative; overflow: hidden; }
.card--glow::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(var(--spotlight-size) circle at var(--spot-x, 50%) var(--spot-y, 50%),
    color-mix(in srgb, var(--accent) 14%, transparent), transparent 62%);
  opacity: 0; transition: opacity .35s var(--ease);
}
@media (hover: hover) and (pointer: fine) {
  .card--glow:hover::before { opacity: 1; }
}

.tile__title, .tile__label {
  font-family: var(--f-display); font-weight: 600; font-size: 17px; margin: 0 0 8px;
}
.tile__copy { font-size: var(--t-xs); line-height: 1.6; color: var(--ink-4); margin: 0; }
.tile__icon { color: var(--accent); margin-bottom: 0; }

.fact {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 22px 24px;
}
.fact__kicker {
  font-family: var(--f-display); font-weight: 500; font-size: var(--t-micro);
  letter-spacing: 1.3px; text-transform: uppercase; color: var(--ink-5); margin-bottom: 8px;
}
.fact__value { font-size: 16px; color: var(--ink); }

/* -- reveal-on-scroll -- */
.reveal { opacity: 1; transform: none; }
html.js .reveal {
  opacity: 0;
  transform: translateY(22px) scale(.985);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
html.js .reveal.is-visible { opacity: 1; transform: none; }

/* -- hero -- */
.hero__grid { grid-template-columns: 1fr; }
.hero__main--stub { min-height: auto; }
.error-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: var(--pad-x);
}
.error-page__card { max-width: 640px; text-align: left; }
.error-page__title { font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin-top: 16px; }

/* -- legal / policy article page -- */
.policy { max-width: 74ch; margin-inline: auto; padding-bottom: var(--sec-y); }
.policy__back { display: inline-block; margin-bottom: clamp(28px, 3.5vw, 44px); font-size: var(--t-2xs); color: var(--ink-4); border-bottom: 1px solid var(--line-hover); }
.policy__back:hover, .policy__back:focus-visible { color: var(--ink-2); border-color: var(--line-hover-lg); }
.policy h1 { font-size: var(--t-h2-xl); line-height: 1.1; margin-bottom: clamp(24px, 3vw, 36px); }
.policy h2 { font-size: var(--t-h2); line-height: 1.15; margin-top: clamp(40px, 5vw, 64px); margin-bottom: 16px; }
.policy h3 { font-size: var(--t-h3); color: var(--ink-2); margin-top: 28px; margin-bottom: 10px; }
.policy p { font-size: var(--t-body); line-height: 1.72; color: var(--ink-3); margin: 0 0 16px; }
.policy ul, .policy ol { margin: 0 0 16px; padding-left: 22px; }
.policy ul { list-style: disc; }
.policy ol { list-style: decimal; }
.policy ol.alpha { list-style: lower-alpha; }
.policy li { font-size: var(--t-body); line-height: 1.68; color: var(--ink-3); margin-bottom: 10px; }
.policy strong { color: var(--ink-2); font-family: var(--f-display); font-weight: 600; }
.policy .register--rows { margin: 20px 0 32px; }
.policy__updated { font-size: var(--t-2xs); color: var(--ink-4); margin-top: 48px; border-top: 1px solid var(--line); padding-top: 20px; }
.hero__main {
  position: relative; overflow: hidden;
  background: var(--grad-hero);
  border: 1px solid var(--line-hover);
  border-radius: var(--r-lg);
  padding: var(--pad-hero);
  min-height: clamp(340px, 42vw, 470px);
  display: flex; flex-direction: column; justify-content: space-between;
}
.hero__glow {
  position: absolute; top: -25%; right: -8%; width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  filter: blur(10px);
  animation: dDrift 13s ease-in-out infinite;
  pointer-events: none;
}
.hero__ambient {
  position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 60%;
  opacity: .5; pointer-events: none;
}
.hero__badge {
  position: relative; display: inline-flex; align-self: flex-start; align-items: center; gap: 9px;
  padding: 7px 14px; border-radius: var(--r-pill);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
}
.hero__badge-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  animation: dBlip 1.8s ease-in-out infinite;
}
.hero__badge-text {
  font-family: var(--f-display); font-weight: 500; font-size: 12px;
  letter-spacing: 1.2px; text-transform: uppercase; color: var(--accent);
}
.hero__body { position: relative; }
.hero__title {
  font-family: var(--f-display); font-weight: 600; font-size: var(--t-h1);
  line-height: 1.05; letter-spacing: -.025em; margin: 0 0 20px; max-width: 18ch;
  hyphens: auto; overflow-wrap: break-word;
}
.hero__title em {
  font-style: normal; color: var(--accent);
  text-shadow: 0 0 34px var(--accent-glow), 0 0 2px color-mix(in srgb, var(--accent) 40%, transparent);
}
.hero__lead {
  font-size: var(--t-lead); line-height: 1.65; color: var(--ink-3); margin: 0 0 28px; max-width: 56ch;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; }

.hero__aside { display: flex; flex-direction: column; gap: var(--gap); }
.hero__stat {
  position: relative; overflow: hidden;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: var(--glass-highlight);
  border-radius: var(--r-lg);
  padding: 28px; flex: 1;
  display: flex; flex-direction: column; justify-content: space-between; gap: 18px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.hero__stat--accent { border: 1px solid var(--accent-line-md); }
.hero__stat--plain { border: 1px solid var(--line); }
@media (hover: hover) and (pointer: fine) {
  .hero__stat:hover { transform: translateY(-4px); border-color: var(--accent-line-md); }
}
.hero__stat-sheen {
  position: absolute; top: 0; bottom: 0; width: 90px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .07), transparent);
  animation: dSheen 6s ease-in-out infinite;
  pointer-events: none;
}

.bars { display: flex; align-items: flex-end; gap: 4px; height: 64px; opacity: .55; }
.bars .bar {
  flex: 1; height: var(--h); background: linear-gradient(180deg, var(--accent), transparent);
  transform-origin: bottom; border-radius: 2px 2px 0 0;
}
html.js .bars .bar {
  animation: dBar var(--d) ease-in-out infinite; animation-delay: var(--dl);
}

.strip { grid-template-columns: 1fr 1fr; margin-top: var(--gap); }

/* -- ops / pillars -- */
.ops-grid { grid-template-columns: 1fr; }
.ops-lead { padding: var(--pad-card); }
.ops-lead h2 { max-width: 20ch; }
.ops-lead p { font-size: 16px; line-height: 1.72; color: var(--ink-3); max-width: 62ch; }
.ops-lead p + p { margin-top: 14px; }

.pillar { padding: 30px; }
.pillar--full { margin-top: var(--gap); }
.pillar__icon { margin-bottom: 18px; color: var(--accent); }

/* -- assets -- */
.assets-grid { grid-template-columns: 1fr; }
.asset {
  padding: 28px; display: flex; align-items: center; gap: 16px;
  background-image: radial-gradient(260px circle at -5% 50%, color-mix(in srgb, var(--tok) 9%, transparent), transparent 72%);
}
.asset__mark {
  width: 52px; height: 52px; border-radius: var(--r-token); flex-shrink: 0;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--tok) 18%, var(--bg));
  color: color-mix(in srgb, var(--tok) 72%, #fff);
}
.asset--usdt { --tok: #26A17B; }
.asset--usdc { --tok: #2775CA; }
.asset--btc  { --tok: #F7931A; }
.asset__name { font-family: var(--f-display); font-weight: 600; font-size: 16px; }
.asset__desc { font-size: var(--t-2xs); color: var(--ink-4); }
.asset__ticker {
  font-family: var(--f-display); font-weight: 600; font-size: 10.5px;
  letter-spacing: .6px; color: var(--ink-5); margin-left: 6px;
}

/* -- compliance -- */
.comp-grid { grid-template-columns: 1fr; }
.comp-lead {
  position: relative; overflow: hidden;
  background: var(--grad-compliance);
  border: 1px solid var(--accent-line-md);
  border-radius: var(--r-lg);
  padding: var(--pad-card);
  display: flex; flex-direction: column; justify-content: space-between; gap: 26px;
}
.comp-lead__icon { width: 76px; height: 76px; color: var(--ink-5); }
.comp-lead h2 { max-width: 18ch; margin-bottom: 16px; }
.comp-lead p { font-size: var(--t-sm); line-height: 1.7; color: var(--ink-3); max-width: 52ch; }

.comp-items { grid-template-columns: 1fr; align-content: start; }
.check {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: var(--glass-highlight);
  border: 1px solid var(--line); border-radius: var(--r-md); padding: 24px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
@media (hover: hover) and (pointer: fine) {
  .check:hover { border-color: var(--accent-line-md); transform: translateY(-3px); }
}
.check__icon { margin-bottom: 14px; color: var(--accent); }
.check p { margin: 0; font-size: var(--t-sm); line-height: 1.55; color: var(--ink-2); }
.comp-note {
  grid-column: 1 / -1; margin: 4px 0 0; font-size: 14px; line-height: 1.65;
  color: #9aa5ae; font-style: italic;
}

/* -- infra / flow -- */
.infra-panel {
  position: relative; overflow: hidden;
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
  box-shadow: var(--glass-highlight);
  border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: var(--pad-card);
}
.infra-head { grid-template-columns: 1fr; gap: clamp(22px, 3vw, 48px); margin-bottom: clamp(26px, 3vw, 40px); }
.infra-head h2 { max-width: 16ch; }
.infra-head p { font-size: 16px; line-height: 1.72; color: var(--ink-3); max-width: 64ch; }

.flow-grid { grid-template-columns: 1fr; }

.flow--wide { display: none; }
.flow__node rect { fill: var(--surface); stroke: var(--line-md); }
.flow__node--accent rect {
  stroke: var(--accent-line-lg);
  filter: drop-shadow(0 0 22px var(--accent-glow));
}
.flow__kicker {
  font-family: var(--f-display); font-weight: 500; font-size: 10px;
  letter-spacing: 1.3px; text-transform: uppercase; fill: var(--ink-5);
}
.flow__label { font-family: var(--f-display); font-weight: 600; font-size: 14px; fill: var(--ink); }
.flow__quality {
  font-family: var(--f-display); font-weight: 500; font-size: 11px;
  letter-spacing: .6px; text-transform: uppercase; fill: var(--ink-5); text-anchor: middle;
}
.flow__edge { stroke: var(--line-hover); fill: none; }
.flow__pulse {
  stroke: var(--accent); stroke-width: 2; fill: none; stroke-linecap: round;
  stroke-dasharray: 10 210;
}
html.js .flow__pulse { animation: dFlow 3.2s linear infinite; }
.flow__band rect { fill: rgba(255, 255, 255, .02); stroke: var(--line); stroke-dasharray: 4 5; }
.flow__band text { fill: var(--ink-5); }
.flow__band-edge { stroke: var(--line-hover); stroke-dasharray: 4 5; fill: none; }

.flow-steps {
  counter-reset: step;
  position: relative;
  padding-left: 34px;
  display: grid; gap: 18px;
}
.flow-steps li {
  counter-increment: step;
  position: relative;
  font-size: var(--t-sm);
  color: var(--ink-3);
  padding: 2px 0;
}
.flow-steps li::before {
  content: counter(step);
  position: absolute; left: -34px; top: 0;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--accent-line-md);
  color: var(--accent); font-family: var(--f-display); font-weight: 600; font-size: 12px;
  display: grid; place-items: center;
}
.flow-steps li::after {
  content: ''; position: absolute; left: -23px; top: 26px; bottom: -18px; width: 1px;
  background: var(--line);
}
.flow-steps li:last-child::after { display: none; }
.flow-steps strong { color: var(--ink); font-family: var(--f-display); font-weight: 600; }

@media (min-width: 900px) {
  .flow--wide { display: block; }
  .flow-steps {
    position: absolute; width: 1px; height: 1px; overflow: hidden;
    clip-path: inset(50%); white-space: nowrap; margin: -1px; padding: 0; border: 0;
  }
}

/* -- compania -- */
.compania-grid { grid-template-columns: 1fr; }
.compania-lead { padding: var(--pad-card); }
.compania-lead h2 { max-width: 16ch; margin: 16px 0; }
.compania-lead p { font-size: 16px; line-height: 1.72; color: var(--ink-3); max-width: 60ch; }
.compania-facts { grid-template-columns: 1fr; align-content: start; }

/* -- contact -- */
.contact-panel {
  position: relative; overflow: hidden;
  background: var(--grad-hero); border: 1px solid var(--line-hover);
  border-radius: var(--r-lg); padding: var(--pad-hero);
}
.contact-panel__glow {
  position: absolute; bottom: -40%; right: -6%; width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 24%, transparent), transparent 70%);
  filter: blur(10px);
  animation: dDrift 15s ease-in-out infinite;
  pointer-events: none;
}
.contact-panel--center { max-width: 720px; margin-inline: auto; text-align: center; }
.contact-panel--center .contact-panel__glow { left: 50%; right: auto; transform: translateX(-50%); }
.contact-intro h2 { font-size: var(--t-h2-xl); line-height: 1.06; letter-spacing: -.025em; margin: 16px 0 18px; }
.contact-intro p { font-size: 16px; line-height: 1.7; color: var(--ink-3); margin: 0 auto 28px; max-width: 46ch; }
.contact-ctas { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 18px; }
.contact-email {
  font-family: var(--f-display); font-weight: 600; font-size: 16px; color: var(--accent);
  border-bottom: 1px solid var(--accent-line-md); padding-bottom: 3px;
}

.fact__link { color: var(--ink); border-bottom: 1px solid var(--line-hover); transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.fact__link:hover, .fact__link:focus-visible { color: var(--accent); border-color: var(--accent-line-md); }

/* -- WhatsApp (single sanctioned brand exception: recognizability over the one-accent rule) -- */
.btn--whatsapp {
  display: inline-flex; align-items: center; gap: 10px;
  background: #25D366; color: #04150c; padding: 14px 26px;
}
.btn--whatsapp .icon { color: #04150c; }
.btn--whatsapp:focus-visible { filter: brightness(1.08); }
.btn--whatsapp:active { filter: brightness(1.04); }
@media (hover: hover) and (pointer: fine) {
  .btn--whatsapp:hover { filter: brightness(1.08); }
}

.whatsapp-fab {
  position: fixed; right: clamp(16px, 3vw, 28px); bottom: clamp(16px, 3vw, 28px);
  z-index: 55; width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #04150c;
  display: grid; place-items: center;
  box-shadow: 0 10px 28px -10px rgba(0, 0, 0, .55);
  transition: transform var(--dur) var(--ease), filter var(--dur) var(--ease);
}
.whatsapp-fab:active { transform: scale(.94); }
.whatsapp-fab:focus-visible { filter: brightness(1.08); }
@media (hover: hover) and (pointer: fine) {
  .whatsapp-fab:hover { transform: translateY(-3px); filter: brightness(1.08); }
}

/* -- footer -- */
#contacto { padding-bottom: clamp(64px, 9vw, 128px); }

.site-footer {
  background: var(--footer-bg); border-top: 1px solid var(--line);
  padding: clamp(48px, 6vw, 72px) var(--pad-x) 44px;
}
.site-footer__inner { max-width: var(--maxw); margin: 0 auto; }
.site-footer__top {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 20px; margin-bottom: clamp(28px, 3.5vw, 40px);
}
.site-footer__logo { height: 40px; width: auto; display: block; }
.site-footer__legal { font-size: 14px; line-height: 1.72; color: var(--ink-5); margin: 0 0 30px; max-width: 96ch; }
.site-footer__social { display: flex; gap: 14px; }
.site-footer__social a {
  width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center;
  color: var(--ink-4); border: 1px solid var(--line); transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.site-footer__social a:hover, .site-footer__social a:focus-visible { color: var(--ink); border-color: var(--line-hover-lg); }
.site-footer__meta {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--line);
}
.site-footer__meta span, .site-footer__meta a { font-size: var(--t-2xs); color: var(--ink-5); }
.site-footer__meta a:hover, .site-footer__meta a:focus-visible { color: var(--ink-3); }
.site-footer__meta-links { display: flex; flex-wrap: wrap; gap: 6px 20px; }

.lang-switch { color: var(--ink-4); font-size: 13px; padding: 8px 12px; }
.lang-switch:hover, .lang-switch:focus-visible { color: var(--ink); }

/* =========================================================================
   7. Motion (keyframes)
   ========================================================================= */
@keyframes dDrift { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-16px, 14px); } }
@keyframes dSheen { 0% { transform: translateX(-140%) skewX(-12deg); } 100% { transform: translateX(320%) skewX(-12deg); } }
@keyframes dBlip { 0%, 100% { opacity: .3; } 50% { opacity: 1; } }
@keyframes dBar { 0%, 100% { transform: scaleY(.22); } 50% { transform: scaleY(1); } }
@keyframes dTrace { from { stroke-dashoffset: 900; } to { stroke-dashoffset: 0; } }
@keyframes dSpread { from { transform: translateY(0); } to { transform: translateY(-7px); } }
@keyframes dPing { 0% { transform: scale(.35); opacity: .55; } 70%, 100% { transform: scale(1.9); opacity: 0; } }
@keyframes dBookW { from { transform: scaleX(.55); } to { transform: scaleX(1); } }
@keyframes dFlow { to { stroke-dashoffset: -220; } }

.hero__ambient .spread-a {
  stroke: var(--accent); stroke-width: 2; fill: none; stroke-dasharray: 900;
}
.hero__ambient .spread-b {
  stroke: rgba(255, 255, 255, .28); stroke-width: 1.4; fill: none; stroke-dasharray: 900;
}
html.js .hero__ambient .spread-a {
  animation: dTrace 2.6s var(--ease) both, dSpread 19s 2.6s ease-in-out infinite alternate;
}
html.js .hero__ambient .spread-b {
  animation: dTrace 3s var(--ease) .15s both, dSpread 23s 3.15s ease-in-out infinite alternate;
}
.hero__ambient .spread-a, .hero__ambient .spread-b { stroke-dashoffset: 0; }

.hero__ping { transform-box: fill-box; transform-origin: center; }
.hero__ping circle { fill: none; stroke: var(--accent); stroke-width: 1; }
html.js .hero__ping { animation: dPing 4.5s ease-out infinite; }
.hero__ping-core { fill: var(--accent); }
html.js .hero__ping-core { animation: dBlip 1.8s ease-in-out infinite; }

.hero__book rect { fill: var(--accent); transform-box: fill-box; transform-origin: left center; }
html.js .hero__book rect { animation: dBookW var(--d) ease-in-out var(--dl) infinite alternate; }
html.js .hero__book { animation: dDrift 13s ease-in-out infinite; }

/* =========================================================================
   8. Media queries — desktop layout (mobile-first defaults above)
   ========================================================================= */
@media (min-width: 900px) {
  .nav-pill { display: flex; }
  .btn--nav { display: inline-flex; }
  .nav-toggle { display: none; }
  .nav-mobile { display: none !important; }

  .hero__grid { grid-template-columns: minmax(420px, 1.85fr) minmax(280px, 1fr); }
  .strip { grid-template-columns: repeat(4, 1fr); }
  .ops-grid { grid-template-columns: minmax(360px, 1.9fr) minmax(220px, 1fr) minmax(220px, 1fr); }
  .assets-grid { grid-template-columns: repeat(3, 1fr); }
  .comp-grid { grid-template-columns: minmax(300px, 1fr) minmax(340px, 1.25fr); }
  .comp-items { grid-template-columns: 1fr 1fr; }
  .infra-head { grid-template-columns: minmax(240px, 1fr) minmax(320px, 1.4fr); }
  .flow-grid { grid-template-columns: repeat(3, 1fr); }
  .compania-grid { grid-template-columns: minmax(320px, 1.5fr) minmax(260px, 1fr); }
}

@media (max-width: 899.98px) {
  .nav-mobile[hidden] { display: none; }
}

/* content-visibility on long below-fold sections */

/* =========================================================================
   9. prefers-reduced-motion
   ========================================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .hero__ambient .spread-a, .hero__ambient .spread-b { stroke-dashoffset: 0 !important; }
  .hero__ping { opacity: 0 !important; }
  .flow__pulse { stroke-dasharray: none !important; stroke: var(--accent-line-md) !important; }
}