:root {
  --bg: #0b0c0a;
  --panel: #151612;
  --panel-2: #1f211b;
  --text: #f4f0e8;
  --muted: #a7a094;
  --line: rgba(244, 240, 232, .13);
  --accent: #d9461e;
  --accent-2: #d6a84f;
  --green: #6f8f56;
  --shadow: 0 30px 80px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 42px 42px,
    radial-gradient(circle at 15% 10%, rgba(217,70,30,.18), transparent 30%),
    radial-gradient(circle at 90% 0%, rgba(214,168,79,.12), transparent 25%),
    var(--bg);
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
}

a { color: inherit; }

.shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  background: rgba(14, 15, 12, .88);
  backdrop-filter: blur(18px);
  overflow-y: auto;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 22px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(217,70,30,.55);
  background: #25130e;
  color: #ffb099;
  font-weight: 900;
  letter-spacing: .05em;
}

.brand strong { display: block; font-size: 17px; }
.brand small { color: var(--muted); }

.search {
  display: block;
  margin-bottom: 18px;
}

.search span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.search input {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #0d0e0b;
  color: var(--text);
  outline: none;
}

.search input:focus { border-color: var(--accent); }

.nav-group-title {
  margin: 22px 0 8px;
  color: var(--accent-2);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .16em;
}

.nav a {
  display: block;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  color: var(--muted);
  text-decoration: none;
  line-height: 1.25;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(255, 255, 255, .045);
}

.main {
  min-width: 0;
  padding: 20px clamp(18px, 4vw, 56px) 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.icon-btn {
  display: none;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  padding: 10px 12px;
  font-size: 18px;
}

.status {
  color: var(--muted);
  font-size: 13px;
}

.status strong {
  display: block;
  color: var(--text);
}

.open-md {
  border: 1px solid var(--line);
  padding: 10px 13px;
  color: var(--text);
  text-decoration: none;
  background: rgba(255,255,255,.04);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(220px, .6fr);
  gap: 24px;
  margin-bottom: 22px;
  padding: clamp(24px, 5vw, 54px);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(217,70,30,.18), transparent 38%),
    linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: 12px;
}

.hero h1 {
  margin: 0;
  max-width: 980px;
  font-size: clamp(34px, 6vw, 78px);
  line-height: .92;
  letter-spacing: -.03em;
}

.hero p:last-child {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.scoreboard {
  display: grid;
  gap: 12px;
}

.scoreboard div {
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.24);
}

.scoreboard span {
  display: block;
  color: #fff;
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.scoreboard small {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .12em;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.quick-card {
  padding: 18px;
  min-height: 128px;
  border: 1px solid var(--line);
  background: rgba(21,22,18,.84);
  text-decoration: none;
}

.quick-card b {
  display: block;
  margin-bottom: 8px;
  color: #fff;
  font-size: 18px;
}

.quick-card span {
  color: var(--muted);
  line-height: 1.45;
}

.content {
  display: none;
  max-width: 980px;
  padding: clamp(24px, 5vw, 56px);
  border: 1px solid var(--line);
  background: rgba(18, 19, 15, .92);
  box-shadow: var(--shadow);
}

.content.visible { display: block; }

.content h1,
.content h2,
.content h3 {
  line-height: 1.1;
  letter-spacing: -.02em;
}

.content h1 {
  margin: 0 0 22px;
  font-size: clamp(34px, 5vw, 58px);
}

.content h2 {
  margin: 44px 0 14px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #fff;
  font-size: 30px;
}

.content h3 {
  margin: 28px 0 10px;
  color: var(--accent-2);
  font-size: 22px;
}

.content p,
.content li {
  color: #d8d1c5;
  font-size: 17px;
  line-height: 1.72;
}

.content ul,
.content ol { padding-left: 24px; }

.content blockquote {
  margin: 22px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  background: rgba(217,70,30,.08);
}

.content code {
  padding: 2px 6px;
  background: rgba(255,255,255,.08);
  color: #ffe1b0;
}

.content pre {
  overflow-x: auto;
  padding: 18px;
  border: 1px solid var(--line);
  background: #090a08;
}

.content hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 34px 0;
}

.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
}

.content th,
.content td {
  border: 1px solid var(--line);
  padding: 10px;
  vertical-align: top;
}

.content th { background: rgba(255,255,255,.06); }

mark {
  background: rgba(217,70,30,.35);
  color: #fff;
}

@media (max-width: 980px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    z-index: 20;
    transform: translateX(-100%);
    transition: transform .2s ease;
    width: min(86vw, 340px);
  }
  body.menu-open .sidebar { transform: translateX(0); }
  .icon-btn { display: inline-block; }
  .hero { grid-template-columns: 1fr; }
  .quick-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .main { padding: 14px 14px 44px; }
  .quick-grid { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; }
  .open-md { display: none; }
}