/* idMax landing page — palette inherited from the WASM demo (templates/wasm/scan.html)
   so the landing and the demos read as one product. */

:root {
  --brand: #1468a3;
  --brand-bright: #4fc3f5;

  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Space Mono', 'SFMono-Regular', Consolas, monospace;

  --shell: 1140px;
  --radius: 16px;
  --radius-sm: 10px;
}

:root[data-theme='dark'] {
  --bg: #0a1420;
  --bg-alt: #0d1b29;
  --panel: #101e2c;
  --panel-hi: #14273b;
  --line: #223749;
  --line-soft: #1a2c3d;

  --text: #eaf3fa;
  --text-dim: #a8bccc;
  --muted: #7e96a8;

  --accent: var(--brand-bright);
  --accent-ink: #04121d;
  --glow: rgba(79, 195, 245, .16);
  --shadow: 0 20px 50px -24px rgba(0, 0, 0, .9);
}

:root[data-theme='light'] {
  --bg: #f7fafc;
  --bg-alt: #ecf3f8;
  --panel: #ffffff;
  --panel-hi: #f2f8fc;
  --line: #d3e2ed;
  --line-soft: #e3edf4;

  --text: #0a1420;
  --text-dim: #405464;
  --muted: #63798a;

  --accent: var(--brand);
  --accent-ink: #ffffff;
  --glow: rgba(20, 104, 163, .12);
  --shadow: 0 18px 44px -26px rgba(10, 30, 50, .45);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { color: var(--text); line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 5vw, 3.35rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.25rem); font-weight: 700; }
h3 { font-size: 1.06rem; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: inherit; }

.shell { width: 100%; max-width: var(--shell); margin: 0 auto; padding: 0 1.5rem; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.ico {
  width: 1.15em; height: 1.15em;
  fill: none; stroke: currentColor; stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round;
  flex: none;
}
.ico.big { width: 26px; height: 26px; color: var(--accent); stroke-width: 1.5; }
.ico.solid { fill: currentColor; stroke: none; }

.eyebrow {
  display: block;
  font-size: .72rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .75rem;
}

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: var(--accent-ink);
  padding: .6rem 1rem; z-index: 100; border-radius: 0 0 var(--radius-sm) 0;
}
.skip:focus { left: 0; }

/* ---------- header ---------- */

.site-head {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}

.head-inner { display: flex; align-items: center; gap: 1.25rem; height: 68px; }

.brand {
  display: flex; align-items: center; gap: .55rem;
  font-size: 1.15rem; font-weight: 500; color: var(--text);
  text-decoration: none; letter-spacing: -0.02em; flex: none;
}
.brand b { font-weight: 700; color: var(--accent); }
.brand img { border-radius: 7px; }

.nav { display: flex; gap: 1.4rem; margin-left: auto; }
.nav a {
  font-size: .875rem; color: var(--muted); text-decoration: none;
  padding: .25rem 0; border-bottom: 1px solid transparent;
  transition: color .18s, border-color .18s;
}
.nav a:hover { color: var(--text); border-bottom-color: var(--accent); }

.head-tools { display: flex; align-items: center; gap: .5rem; }

/* A menu rather than three pills: it keeps the header from crowding a phone,
   and the options stay real links so /es/ and /pt/ remain crawlable. */
.lang { position: relative; }

.lang-btn {
  display: flex; align-items: center; gap: .35rem;
  height: 36px; padding: 0 .55rem 0 .7rem;
  font-family: inherit; font-size: .72rem; font-weight: 600; letter-spacing: .06em;
  background: var(--panel); color: var(--muted);
  border: 1px solid var(--line); border-radius: 10px;
  cursor: pointer; transition: color .18s, border-color .18s;
}
.lang-btn:hover { color: var(--text); border-color: var(--accent); }
.lang-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.lang-caret { width: 11px; height: 11px; transition: transform .18s; }
.lang-btn[aria-expanded='true'] .lang-caret { transform: rotate(180deg); }

.lang-menu {
  position: absolute; top: calc(100% + .4rem); right: 0; z-index: 50;
  min-width: 9.5rem; margin: 0; padding: .3rem;
  list-style: none;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, .75);
}
.lang-menu[hidden] { display: none; }

.lang-menu a {
  display: block;
  padding: .45rem .6rem; border-radius: 7px;
  font-size: .84rem; color: var(--muted); text-decoration: none;
  transition: background .18s, color .18s;
}
.lang-menu a:hover { background: var(--panel-hi); color: var(--text); }
.lang-menu a[aria-current] { color: var(--accent); font-weight: 600; }

.icon-btn {
  display: grid; place-items: center;
  width: 36px; height: 36px; padding: 0;
  background: var(--panel); color: var(--muted);
  border: 1px solid var(--line); border-radius: 10px;
  cursor: pointer; transition: color .18s, border-color .18s;
}
.icon-btn:hover { color: var(--text); border-color: var(--accent); }
.icon-btn .ico { width: 17px; height: 17px; }

:root[data-theme='dark'] .only-light,
:root[data-theme='light'] .only-dark { display: none; }

.burger { display: none; }
.burger .shut { display: none; }
.burger[aria-expanded='true'] .open { display: none; }
.burger[aria-expanded='true'] .shut { display: block; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: inherit; font-size: .9rem; font-weight: 600;
  padding: .78rem 1.35rem; border-radius: 999px;
  text-decoration: none; border: 1px solid transparent;
  transition: transform .18s, box-shadow .18s, background .18s, border-color .18s, color .18s;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary {
  background: var(--accent); color: var(--accent-ink);
  box-shadow: 0 10px 26px -12px var(--accent);
}
.btn.primary:hover { box-shadow: 0 16px 32px -12px var(--accent); }
.btn.ghost { color: var(--text); border-color: var(--line); background: var(--panel); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }

.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.cta-row.center { justify-content: center; }

/* ---------- hero ---------- */

.hero {
  position: relative; overflow: hidden;
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(3rem, 6vw, 5rem);
}
.hero::before {
  content: ''; position: absolute; inset: -30% 0 auto;
  height: 620px; pointer-events: none;
  background: radial-gradient(60% 60% at 50% 50%, var(--glow), transparent 70%);
}

.hero-grid {
  position: relative;
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 4rem); align-items: center;
}

.hero-copy .lede {
  margin-top: 1.35rem;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  max-width: 52ch; color: var(--text-dim);
}
.hero-note { margin-top: 1.1rem; font-size: .82rem; color: var(--muted); }

.hero-art svg { width: 100%; height: auto; display: block; }

/* the card itself is a raster specimen document, clipped to the rounded rect */
.art-card { filter: drop-shadow(0 10px 18px rgba(4, 18, 29, .45)); }
.s-scan-0 { stop-color: var(--accent); stop-opacity: 0; }
.s-scan-1 { stop-color: var(--accent); stop-opacity: .95; }
.s-glow-a { stop-color: var(--glow); }
.s-glow-b { stop-color: transparent; }

.art-frame { fill: none; stroke: var(--line); stroke-width: 1.5; }
.art-rings ellipse { fill: none; stroke: var(--line); stroke-width: 1; opacity: .6; }
.art-dots circle { fill: var(--accent); opacity: .5; }
.art-corners path { fill: none; stroke: var(--accent); stroke-width: 2; opacity: .55; }

.art-scan { animation: sweep 4.5s ease-in-out infinite; filter: drop-shadow(0 0 10px var(--accent)); }
@keyframes sweep {
  0%, 100% { transform: translateY(-72px); }
  50%      { transform: translateY(72px); }
}

/* ---------- stats ---------- */

.stats { border-block: 1px solid var(--line-soft); background: var(--bg-alt); }
.stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1rem; padding-block: 2.1rem;
}
.stat { text-align: center; }
.stat b {
  display: block; font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700; color: var(--text); letter-spacing: -0.03em;
}
.stat span {
  display: block; margin-top: .2rem;
  font-size: .78rem; color: var(--muted);
  letter-spacing: .04em;
}

/* ---------- bands ---------- */

.band { padding: clamp(3.5rem, 7vw, 5.5rem) 0; }
.band.alt { background: var(--bg-alt); border-block: 1px solid var(--line-soft); }

.band-head { max-width: 60ch; margin-bottom: 2.75rem; }
.band-head .sub { margin-top: .9rem; color: var(--muted); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }

/* Grid items default to min-width:auto, so a wide child (the code block above
   all) would push the track past the viewport. Let tracks shrink instead. */
.hero-grid > *, .grid-2 > *, .grid-3 > *, .route > *, .server > * { min-width: 0; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.card h3 { margin: 1rem 0 .55rem; }
.card p { font-size: .89rem; color: var(--muted); }
.card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow); }

.grid-3.wide .card.feature { padding: 1.9rem; }

.chips { display: flex; flex-wrap: wrap; gap: .4rem; list-style: none; margin: 0 0 .9rem; padding: 0; }
.chips li {
  font-family: var(--font-mono); font-size: .7rem;
  color: var(--accent);
  border: 1px solid var(--line); border-radius: 999px;
  padding: .2rem .6rem;
}

/* ---------- demo ---------- */

.card.demo { display: block; text-decoration: none; }
.card.demo .flag { font-size: 1.9rem; line-height: 1; }
.card.demo .go {
  display: inline-flex; align-items: center; gap: .4rem;
  margin-top: 1.1rem; font-size: .84rem; font-weight: 600; color: var(--accent);
}
.card.demo:hover .go .ico { transform: translateX(3px); }
.card.demo .go .ico { transition: transform .2s; }

.apps {
  margin-top: 1.1rem; padding: 1.9rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  text-align: center;
}
.apps h3 { margin-bottom: .5rem; }
.apps p { font-size: .89rem; color: var(--muted); }

.store-row { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; margin-top: 1.4rem; }
.store {
  display: inline-flex; align-items: center; gap: .7rem;
  padding: .65rem 1.2rem;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--panel-hi); color: var(--muted);
  text-decoration: none; text-align: left;
  transition: border-color .18s, color .18s, transform .18s;
}
.store:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.store .ico { width: 20px; height: 20px; }
.store small { display: block; font-size: .66rem; letter-spacing: .06em; text-transform: uppercase; }
.store b { display: block; font-size: .95rem; color: var(--text); }

/* ---------- integration ---------- */

.routes { list-style: none; margin: 0; padding: 0; }

.route {
  display: grid; grid-template-columns: 15rem 1fr; gap: 1.5rem 2.5rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
}
.route:last-child { border-bottom: 1px solid var(--line); }

.route-case { display: flex; align-items: center; gap: .8rem; }
.route-case h3 { font-size: 1rem; }

.route-take p { font-size: .89rem; color: var(--muted); max-width: 62ch; }
.route-take .chips { margin: .9rem 0 0; }

.route-note {
  display: flex; align-items: flex-start; gap: .9rem;
  margin-top: 1.75rem; padding: 1.35rem 1.5rem;
  background: var(--panel); border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  font-size: .89rem; color: var(--text-dim);
}
.route-note .ico { margin-top: .1rem; }

/* ---------- server ---------- */

.server {
  display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; align-items: start;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: clamp(1.75rem, 4vw, 2.75rem);
}
.server .ico.big { width: 34px; height: 34px; }
.server p { margin: 1rem 0 0; max-width: 64ch; color: var(--muted); }
.server .btn { margin-top: 1.6rem; }

/* ---------- contact ---------- */

.contact-inner { text-align: center; max-width: 60ch; }
.contact .shell { display: flex; flex-direction: column; align-items: center; }
.contact-inner p { margin-top: 1rem; color: var(--muted); }

/* ---------- footer ---------- */

.site-foot { border-top: 1px solid var(--line-soft); background: var(--bg-alt); padding: 2.75rem 0 1.75rem; }
.foot-inner { display: grid; grid-template-columns: minmax(11rem, 1fr) 2.2fr; gap: 2rem 3rem; }
.foot-brand span { font-size: 1.15rem; color: var(--text); }
.foot-brand b { color: var(--accent); }
.foot-brand p { margin-top: .4rem; font-size: .82rem; color: var(--muted); }

.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem 1.5rem; }
.foot-col { display: flex; flex-direction: column; align-items: flex-start; gap: .55rem; }
.foot-col h4 {
  margin: 0 0 .25rem; font-size: .7rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--text);
}
.foot-col a { font-size: .84rem; color: var(--muted); text-decoration: none; }
.foot-col a:hover { color: var(--accent); }
.foot-legal {
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between;
  margin-top: 2.25rem; padding-top: 1.25rem; border-top: 1px solid var(--line-soft);
  font-size: .76rem; color: var(--muted);
}

/* ---------- reveal on scroll ---------- */

.reveal { opacity: 0; transform: translateY(14px); }
.js .reveal { transition: opacity .55s ease, transform .55s ease; }
.reveal.in, .no-js .reveal { opacity: 1; transform: none; }

/* ---------- responsive ---------- */

@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 460px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .route { grid-template-columns: 1fr; gap: .9rem; }
}

@media (max-width: 780px) {
  .burger { display: grid; }
  .nav {
    position: fixed; inset: 68px 0 auto;
    flex-direction: column; gap: 0; margin: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: .5rem 1.5rem 1.25rem;
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: .75rem 0; border-bottom: 1px solid var(--line-soft); font-size: .95rem; }
  .nav a:hover { border-bottom-color: var(--line-soft); }
  .head-inner { gap: .5rem; }
  /* The nav carries margin-left:auto on wider screens, but here it leaves the
     flow, so the controls need to claim the free space themselves. */
  .head-tools { margin-left: auto; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem 1rem; }
  .grid-2 { grid-template-columns: 1fr; }
  .server { grid-template-columns: 1fr; }
  .foot-inner { grid-template-columns: 1fr; }
  .foot-cols { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .grid-3 { grid-template-columns: 1fr; }
  .btn { width: 100%; justify-content: center; }
  .cta-row { flex-direction: column; }
  .store { flex: 1 1 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .art-scan { animation: none; }
  .js .reveal { transition: none; }
  .reveal { opacity: 1; transform: none; }
  .btn:hover, .card:hover { transform: none; }
}