:root {
  color-scheme: dark;
  --ink: #f4efe5;
  --muted: #b8b2a8;
  --paper: #101517;
  --panel: rgba(24, 32, 34, 0.82);
  --line: rgba(207, 181, 118, 0.25);
  --gold: #d4b66f;
  --cyan: #73d8dd;
  --danger: #df7b72;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { background: #090d0e; scroll-behavior: smooth; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% -10%, rgba(63, 145, 151, 0.20), transparent 36rem),
    radial-gradient(circle at 92% 8%, rgba(174, 127, 61, 0.16), transparent 30rem),
    linear-gradient(155deg, #111719, #080b0c 72%);
  line-height: 1.65;
}

a { color: var(--cyan); }
a:hover { color: #b5f5f7; }

.shell { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 13, 14, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 760;
  letter-spacing: 0.03em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(115, 216, 221, 0.45);
  border-radius: 9px;
  color: var(--cyan);
  background: rgba(115, 216, 221, 0.08);
}

.nav-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
.nav-links a[aria-current="page"], .nav-links a:hover { color: var(--ink); }

.hero { padding: clamp(72px, 12vw, 150px) 0 76px; }
.eyebrow { color: var(--gold); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; }
h1 { max-width: 850px; margin: 12px 0 18px; font-size: clamp(2.55rem, 7vw, 5.7rem); line-height: 0.98; letter-spacing: -0.045em; }
.lead { max-width: 720px; margin: 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.28rem); }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 19px;
  border: 1px solid rgba(115, 216, 221, 0.45);
  border-radius: 12px;
  color: #071113;
  background: var(--cyan);
  text-decoration: none;
  font-weight: 750;
}
.button.secondary { color: var(--ink); background: transparent; border-color: var(--line); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding-bottom: 90px; }
.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
}
.card h2, .card h3 { margin-top: 0; line-height: 1.2; }
.card p:last-child { margin-bottom: 0; }

.document { width: min(820px, calc(100% - 32px)); margin: 0 auto; padding: 70px 0 100px; }
.document-header { padding-bottom: 34px; border-bottom: 1px solid var(--line); }
.document h1 { font-size: clamp(2.35rem, 6vw, 4.6rem); }
.document h2 { margin: 44px 0 12px; color: var(--gold); font-size: 1.35rem; }
.document h3 { margin-top: 28px; }
.document p, .document li { color: #d3cec5; }
.document strong { color: var(--ink); }
.meta { color: var(--muted); font-size: 0.92rem; }
.notice { margin: 26px 0; padding: 18px 20px; border-left: 3px solid var(--cyan); background: rgba(115, 216, 221, 0.07); }

.language-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.language-bar button {
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}
.language-bar button[aria-pressed="true"] { color: #071113; border-color: var(--cyan); background: var(--cyan); }

[data-lang] { display: none; }
[data-lang].is-active { display: block; }

.support-list { display: grid; gap: 14px; margin-top: 32px; }
.support-list details { padding: 18px 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.support-list summary { cursor: pointer; color: var(--ink); font-weight: 700; }
.support-list details p { margin-bottom: 0; }

.contact-card { margin-top: 34px; padding: 24px; border: 1px solid rgba(115, 216, 221, 0.35); border-radius: 18px; background: rgba(115, 216, 221, 0.07); }
.support-form { display: grid; gap: 16px; margin-top: 20px; }
.support-form label { display: grid; gap: 7px; color: var(--ink); font-weight: 700; }
.support-form input, .support-form select, .support-form textarea {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  background: rgba(5, 9, 10, 0.72);
  font: inherit;
}
.support-form textarea { min-height: 150px; resize: vertical; }
.support-form input:focus, .support-form select:focus, .support-form textarea:focus { outline: 2px solid var(--cyan); outline-offset: 2px; }
.support-form button { justify-self: start; cursor: pointer; }
.support-form button:disabled { cursor: progress; opacity: 0.58; }
.form-status { min-height: 1.5em; margin: 0; color: var(--muted); }
.form-status.success { color: var(--cyan); }
.form-status.error { color: var(--danger); }
.field-trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.site-footer { padding: 34px 0 50px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }
.footer-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }

@media (max-width: 760px) {
  .nav { align-items: flex-start; padding: 16px 0; flex-direction: column; }
  .grid { grid-template-columns: 1fr; }
  .hero { padding-top: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}