:root {
  --bg: #0f1618;
  --bg-soft: #131d20;
  --panel: rgba(17, 27, 30, 0.86);
  --panel-strong: rgba(13, 21, 24, 0.94);
  --line: rgba(146, 174, 170, 0.18);
  --text: #eef4ef;
  --muted: #9fb1ac;
  --accent: #d4ba7e;
  --accent-2: #7db0a1;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.33);
  --font-body: "Avenir Next", "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-display: "Baskerville", "Iowan Old Style", "Palatino Linotype", "Source Han Serif SC", "Songti SC", serif;
  --font-ui: "SF Mono", "JetBrains Mono", "Fira Code", "Menlo", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background:
    radial-gradient(circle at top left, rgba(125, 176, 161, 0.16), transparent 30%),
    radial-gradient(circle at right 12%, rgba(212, 186, 126, 0.12), transparent 22%),
    linear-gradient(180deg, #081013 0%, #0d1619 48%, #10191b 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 85%);
}

.grid {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at center, transparent 0, transparent 62%, rgba(0, 0, 0, 0.42) 100%);
  pointer-events: none;
}

.site-header,
main,
.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 18px;
}

.brand {
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-decoration: none;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.nav a {
  font-family: var(--font-ui);
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

main {
  padding-bottom: 64px;
}

.section {
  position: relative;
  margin-bottom: 18px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-strong) 100%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(212, 186, 126, 0.07), transparent 28%, transparent 72%, rgba(125, 176, 161, 0.05));
  pointer-events: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.9fr);
  gap: 22px;
  min-height: 540px;
  align-items: stretch;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
ul,
dl {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.015em;
}

h1 {
  max-width: 900px;
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1.02;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
}

h3 {
  margin-bottom: 12px;
  font-size: 25px;
  line-height: 1.16;
}

.lead,
.panel p,
.essay-card p,
.log-card p,
.closing p {
  color: var(--muted);
  line-height: 1.92;
  font-size: 16.5px;
  letter-spacing: 0.01em;
}

.lead {
  max-width: 760px;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    transform 0.16s ease,
    border-color 0.16s ease,
    background 0.16s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #091012;
  background: linear-gradient(135deg, var(--accent) 0%, #e4d0a0 100%);
}

.button.secondary {
  color: var(--text);
  border: 1px solid rgba(212, 186, 126, 0.28);
  background: rgba(255, 255, 255, 0.03);
}

.status-panel {
  align-self: stretch;
  padding: 22px;
  border: 1px solid rgba(125, 176, 161, 0.18);
  border-radius: 24px;
  background: rgba(7, 12, 14, 0.58);
}

.status-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--accent-2);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent-2);
  box-shadow: 0 0 18px rgba(125, 176, 161, 0.72);
}

.status-list {
  margin: 0;
}

.status-list div {
  padding: 14px 0;
  border-top: 1px solid rgba(146, 174, 170, 0.12);
}

.status-list div:first-child {
  border-top: 0;
  padding-top: 0;
}

.status-list dt {
  margin-bottom: 6px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.status-list dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.6fr);
  gap: 20px;
  align-items: start;
}

.section-heading {
  max-width: 320px;
}

.protocol-grid,
.map-columns,
.log-layout {
  display: grid;
  gap: 16px;
}

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

.panel,
.essay-card,
.log-card {
  padding: 24px;
  border: 1px solid rgba(146, 174, 170, 0.14);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
}

.essay-list {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.featured {
  background:
    linear-gradient(145deg, rgba(212, 186, 126, 0.16), transparent 42%),
    rgba(255, 255, 255, 0.04);
}

.meta,
.log-label {
  margin-bottom: 10px;
  color: var(--accent-2);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.essay-card a {
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

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

.clean-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.9;
}

.log-layout {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
}

.closing {
  display: grid;
  gap: 8px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 0 0 36px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero,
  .split,
  .essay-list,
  .protocol-grid,
  .map-columns,
  .log-layout {
    grid-template-columns: 1fr;
  }

  .section-heading {
    max-width: none;
  }

  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .site-header,
  main,
  .site-footer {
    width: min(100% - 24px, 1180px);
  }

  .site-header {
    padding-top: 20px;
  }

  .section {
    padding: 24px 20px;
    border-radius: 22px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 30px;
  }

  .lead {
    font-size: 17px;
  }
}