:root {
  --bg: #f6f4ee;
  --panel: #ffffff;
  --ink: #0f2a2e;
  --ink2: #48605f;
  --line: #dcd8cc;
  --soft: #e4eeea;
  --accent: #0b6e6e;
  --accent-ink: #ffffff;
  --planned: #8a5a00;
  --planned-bg: #fbefd2;
  --max: 1040px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1a1c;
    --panel: #12262a;
    --ink: #e8f0ee;
    --ink2: #a3b9b6;
    --line: #25403f;
    --soft: #16302f;
    --accent: #56c7b9;
    --accent-ink: #062321;
    --planned: #f1c66b;
    --planned-bg: #3a2c0a;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand img { width: 32px; height: 32px; }

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 15px;
}

.nav a {
  color: var(--ink2);
  text-decoration: none;
}

.nav a:hover { color: var(--ink); }

.nav .lang {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  color: var(--ink);
  white-space: nowrap;
}

.nav .sec { display: none; }

@media (min-width: 720px) {
  .nav .sec { display: inline; }
}

/* Hero */
.hero { padding: 48px 0 56px; }

.eyebrow {
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 20px;
  max-width: 18ch;
  font-size: clamp(36px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.lede {
  margin: 0 0 28px;
  max-width: 60ch;
  font-size: clamp(18px, 2.4vw, 21px);
  color: var(--ink2);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  text-decoration: none;
}

.btn.ghost {
  background: transparent;
  color: var(--accent);
}

.facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.facts li {
  padding: 18px 20px;
  background: var(--panel);
}

.facts strong {
  display: block;
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.facts span {
  font-size: 14px;
  color: var(--ink2);
}

@media (min-width: 720px) {
  .facts { grid-template-columns: repeat(4, 1fr); }
}

/* Sections */
section {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.sub {
  margin: 0 0 28px;
  max-width: 62ch;
  color: var(--ink2);
}

h3 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.3;
}

p { margin: 0 0 14px; }

.cols {
  display: grid;
  gap: 16px;
}

@media (min-width: 720px) {
  .cols.two { grid-template-columns: repeat(2, 1fr); }
  .cols.three { grid-template-columns: repeat(3, 1fr); }
}

.card {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.card p {
  margin: 0;
  color: var(--ink2);
  font-size: 16px;
}

.card ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--ink2);
  font-size: 16px;
}

.card li + li { margin-top: 6px; }

.tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
}

.tag.planned {
  background: var(--planned-bg);
  color: var(--planned);
}

/* Timeline */
.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--line);
}

.timeline li {
  position: relative;
  padding: 0 0 28px 24px;
}

.timeline li:last-child { padding-bottom: 0; }

.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
}

.timeline li.next::before {
  background: var(--bg);
  border-color: var(--accent);
}

.timeline time {
  display: block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.timeline p {
  margin: 4px 0 0;
  max-width: 64ch;
  color: var(--ink2);
}

.note {
  margin: 24px 0 0;
  padding: 14px 18px;
  max-width: 70ch;
  border-left: 3px solid var(--accent);
  background: var(--soft);
  border-radius: 0 10px 10px 0;
  font-size: 16px;
}

/* Footer */
footer {
  padding: 32px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--ink2);
  font-size: 14px;
}

footer .row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
}