:root {
  color-scheme: dark;
  --bg: #080a12;
  --bg-2: #101522;
  --panel: rgba(18, 24, 38, 0.86);
  --panel-strong: rgba(24, 32, 50, 0.96);
  --line: rgba(172, 194, 255, 0.18);
  --text: #eef3ff;
  --muted: #aeb9d3;
  --gold: #e7bf68;
  --silver: #c8d7ff;
  --blue: #68a6ff;
  --violet: #9a70ff;
  --danger: #ff8f8f;
  --ok: #79e0b0;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 18% 8%, rgba(104, 166, 255, 0.22), transparent 30rem),
    radial-gradient(circle at 82% 12%, rgba(154, 112, 255, 0.18), transparent 26rem),
    linear-gradient(180deg, #060812 0%, #0c101b 42%, #080a12 100%);
  color: var(--text);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 70%);
}

a {
  color: var(--silver);
  text-decoration: none;
}

a:hover { color: var(--gold); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 10, 18, 0.82);
  backdrop-filter: blur(18px);
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.8rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-mark {
  width: 2.3rem;
  height: 2.3rem;
  border: 1px solid rgba(231, 191, 104, 0.65);
  transform: rotate(45deg);
  background: linear-gradient(135deg, rgba(231, 191, 104, 0.28), rgba(104, 166, 255, 0.08));
  box-shadow: 0 0 30px rgba(231, 191, 104, 0.16);
}

.brand span:last-child { transform: translateY(1px); }

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1.15rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-links a[aria-current="page"],
.nav-links a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.hero, .page-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::after, .page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(231, 191, 104, 0.16), transparent 28%),
    linear-gradient(245deg, rgba(104, 166, 255, 0.14), transparent 30%);
  pointer-events: none;
}

.hero-inner, .page-hero-inner, main, .footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding-inline: 1.25rem;
}

.hero-inner {
  position: relative;
  z-index: 1;
  min-height: 70vh;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: center;
  gap: 2rem;
  padding-block: 5rem 4rem;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  padding-block: 4.5rem 3.2rem;
}

.eyebrow {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 800;
}

h1, h2, h3 {
  line-height: 1.1;
  margin: 0 0 1rem;
}

h1 {
  max-width: 850px;
  font-size: clamp(2.45rem, 6vw, 5.9rem);
  letter-spacing: 0;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 4.6rem);
}

h2 { font-size: clamp(1.6rem, 3vw, 2.45rem); }
h3 { font-size: 1.16rem; }

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.lead {
  max-width: 720px;
  color: #d8e1f8;
  font-size: clamp(1rem, 1.8vw, 1.22rem);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.7rem 1rem;
  border: 1px solid rgba(231, 191, 104, 0.5);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(231, 191, 104, 0.2), rgba(231, 191, 104, 0.08));
  color: var(--text);
  font-weight: 800;
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--silver);
}

.status-card, .panel, .card, .quiz-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  border-radius: 8px;
}

.status-card {
  padding: 1.1rem;
}

.status-card .label {
  color: var(--gold);
  text-transform: uppercase;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  font-weight: 800;
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
  margin: 1rem 0;
}

.countdown div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem 0.45rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.035);
}

.countdown strong {
  display: block;
  font-size: 1.45rem;
  color: var(--text);
}

.countdown span {
  color: var(--muted);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

main {
  padding-block: 3rem 4rem;
}

.section {
  margin-block: 3rem;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-head p { max-width: 640px; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card, .panel, .quiz-card {
  padding: 1.1rem;
}

.card strong, .panel strong { color: var(--text); }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-block: 0.8rem;
}

.tag {
  display: inline-flex;
  border: 1px solid rgba(200, 215, 255, 0.22);
  border-radius: 999px;
  padding: 0.25rem 0.55rem;
  color: var(--silver);
  font-size: 0.78rem;
  background: rgba(255, 255, 255, 0.035);
}

.warning {
  border-left: 3px solid var(--gold);
  padding: 0.85rem 1rem;
  background: rgba(231, 191, 104, 0.08);
  color: #f2dfae;
  border-radius: 0 8px 8px 0;
}

.ok {
  color: var(--ok);
}

.danger {
  color: var(--danger);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  background: rgba(255, 255, 255, 0.025);
}

th, td {
  padding: 0.9rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  color: var(--gold);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

ul.checklist {
  padding: 0;
  list-style: none;
}

ul.checklist li {
  margin: 0.65rem 0;
  padding-left: 1.6rem;
  position: relative;
  color: var(--muted);
}

ul.checklist li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--gold);
}

.quiz-options {
  display: grid;
  gap: 0.7rem;
  margin: 1rem 0;
}

.quiz-options label {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.035);
  cursor: pointer;
}

.quiz-result {
  min-height: 5rem;
  border: 1px solid rgba(231, 191, 104, 0.35);
  border-radius: 8px;
  padding: 1rem;
  background: rgba(231, 191, 104, 0.08);
}

.footer {
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
}

.footer-inner {
  padding-block: 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.small {
  font-size: 0.88rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 4rem 3rem;
  }

  .grid, .grid.two, .grid.four {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-links {
    display: none;
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 4.3rem;
    padding: 0.8rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel-strong);
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: grid; }
  .nav-links a { padding: 0.75rem; }
  .countdown { grid-template-columns: repeat(2, 1fr); }
  .grid, .grid.two, .grid.four { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .footer-inner { display: block; }
}