/* AGI Data Logics — minimal / futuristic
   No external fonts or resources are loaded (GDPR: no third-party requests). */

:root {
  color-scheme: dark;
  --bg: #050a16;
  --bg-raised: #0b1c3b;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #e8eaf0;
  --muted: #8c9ab3;
  --accent: #5fa8ee;
  --accent-2: #2f6fe0;
  --gold: #e2a12c;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --max: 1120px;
  --gutter: clamp(16px, 5vw, 48px);
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
a:hover { color: var(--accent); text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--bg); padding: 8px 14px; z-index: 100;
}
.skip:focus { left: 16px; top: 16px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 20;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  background: rgba(5, 10, 22, 0.65);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }

.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--mono); font-size: 14px; letter-spacing: 0.12em; }
.logo img { display: block; height: 50px; width: auto; }
.logo:hover { color: var(--text); }

.nav { display: flex; align-items: center; gap: 28px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--text); }
.nav .lang { border: 1px solid var(--line-strong); padding: 4px 10px; border-radius: 999px; color: var(--text); }
.nav .lang:hover { border-color: var(--accent); }

@media (max-width: 720px) {
  .nav .hide-sm { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  isolation: isolate;
}
#field { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 50% at 50% 40%, transparent 0%, var(--bg) 85%),
    linear-gradient(to bottom, transparent 70%, var(--bg));
}

.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 24px;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--gold); }

h1 {
  font-size: clamp(42px, 8.5vw, 104px);
  line-height: 0.98; letter-spacing: -0.035em; font-weight: 600;
  margin: 0 0 28px;
}
h1 .grad {
  background: linear-gradient(100deg, var(--text) 10%, var(--accent) 55%, var(--accent-2) 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { font-size: clamp(18px, 2.2vw, 22px); color: var(--muted); max-width: 40ch; margin: 0 0 40px; }

.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
  text-decoration: none; color: var(--bg); background: var(--text);
  padding: 14px 22px; border-radius: 999px;
  transition: background .2s, transform .2s;
}
.btn:hover { background: var(--accent); color: var(--bg); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line-strong); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.scroll-cue {
  position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; color: var(--muted);
  text-transform: uppercase; text-decoration: none;
}

/* ---------- Sections ---------- */
section.block { padding: clamp(80px, 12vw, 140px) 0; border-top: 1px solid var(--line); }
.sec-head { display: grid; grid-template-columns: 180px 1fr; gap: 24px; margin-bottom: 56px; }
.sec-num { font-family: var(--mono); font-size: 12px; letter-spacing: 0.15em; color: var(--muted); text-transform: uppercase; padding-top: 10px; }
h2 { font-size: clamp(30px, 4.5vw, 52px); line-height: 1.05; letter-spacing: -0.025em; font-weight: 600; margin: 0; max-width: 20ch; }
@media (max-width: 720px) { .sec-head { grid-template-columns: 1fr; gap: 12px; } }

.grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--line); border-radius: 4px; overflow: hidden;
}
.card {
  position: relative; padding: clamp(28px, 4vw, 44px);
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.015), transparent);
  transition: background .3s;
}
.card:nth-child(2n) { border-right: 0; }
.card:nth-last-child(-n+2) { border-bottom: 0; }
.card:hover { background: linear-gradient(180deg, rgba(95,168,238,0.06), transparent); }
.card .idx { font-family: var(--mono); font-size: 12px; color: var(--gold); letter-spacing: 0.1em; }
.card h3 { font-size: 22px; letter-spacing: -0.01em; font-weight: 600; margin: 18px 0 10px; }
.card p { color: var(--muted); margin: 0; }
.card ul { list-style: none; padding: 0; margin: 20px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.card li { font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; }
@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; }
  .card { border-right: 0; }
  .card:nth-last-child(2) { border-bottom: 1px solid var(--line); }
}

.about { display: grid; grid-template-columns: 180px 1fr; gap: 24px; }
.about .body { max-width: 62ch; }
.about .body p { color: var(--muted); margin: 0 0 20px; }
.about .body p.big { color: var(--text); font-size: clamp(20px, 2.4vw, 26px); line-height: 1.4; letter-spacing: -0.01em; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 48px; }
.facts div { background: var(--bg); padding: 22px; }
.facts dt { font-family: var(--mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 6px 0 0; font-size: 17px; }
@media (max-width: 720px) {
  .about { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
}

.contact { text-align: left; }
.contact .mail {
  display: inline-block; margin-top: 8px;
  font-size: clamp(26px, 5.5vw, 64px); letter-spacing: -0.03em; font-weight: 600;
  text-decoration: none; word-break: break-word;
  background: linear-gradient(100deg, var(--text), var(--accent) 60%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.contact .mail:hover { filter: brightness(1.15); }
.contact .note { color: var(--muted); font-size: 14px; max-width: 60ch; margin-top: 28px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0 44px; font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: 0.05em; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 24px; }
.site-footer a { text-decoration: none; }

/* ---------- Legal pages ---------- */
.legal { padding: 140px 0 100px; }
.legal .wrap { max-width: 780px; }
.legal h1 { font-size: clamp(36px, 6vw, 60px); margin-bottom: 40px; }
.legal h2 { font-size: 22px; letter-spacing: -0.01em; margin: 48px 0 12px; max-width: none; }
.legal h3 { font-size: 17px; margin: 28px 0 8px; }
.legal p, .legal li { color: #c3c7d3; }
.legal address { font-style: normal; }
.legal .meta { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: 0.08em; }
.todo { background: rgba(250, 204, 21, 0.14); color: #fde68a; padding: 0 4px; border-radius: 2px; font-family: var(--mono); font-size: 0.9em; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
}

.foot-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.foot-brand img { display: block; height: 48px; width: auto; }

/* ---------- Section snapping (home pages only: <html class="snap">) ---------- */
html.snap { scroll-snap-type: y proximity; scroll-padding-top: 72px; }
.snap .hero, .snap section.block { scroll-snap-align: start; }
.snap .site-footer { scroll-snap-align: end; }
/* each section fills the screen below the header, content vertically centred */
.snap section.block { min-height: calc(100svh - 72px); display: flex; align-items: center; }
.snap section.block > .wrap { width: 100%; }
/* firm snapping where sections fit the screen; tall sections still scroll freely inside */
@media (min-width: 900px) and (min-height: 700px) {
  html.snap { scroll-snap-type: y mandatory; }
}