:root {
  --canvas: #faf9f6;
  --card: #ffffff;
  --ink: #15171a;
  --muted: #5b6068;
  --line: #e4e1da;
  --accent: #1f6b4f;
  --accent-ink: #ffffff;
  --accent-soft: #e6f0eb;
  --max: 1120px;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #111312;
    --card: #191c1b;
    --ink: #f2f1ed;
    --muted: #a4a9a6;
    --line: #2a2e2c;
    --accent: #5fbf94;
    --accent-ink: #0d1f17;
    --accent-soft: #1a2c24;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: "Inter Tight", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--canvas) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.wordmark {
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.wordmark span { color: var(--accent); }

.nav { display: flex; gap: 28px; align-items: center; }

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 15px;
}

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

.nav .btn { color: var(--accent-ink); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid var(--accent);
  transition: transform 120ms ease, opacity 120ms ease;
}

.btn:hover { transform: translateY(-1px); opacity: 0.94; }

.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn.small { padding: 8px 16px; font-size: 14px; }

/* Labels */
.label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 112px 0 96px;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 80% at 85% 20%, #000 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 85% 20%, #000 10%, transparent 70%);
  opacity: 0.7;
  pointer-events: none;
}

.hero .wrap { position: relative; }

.hero h1 {
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin: 0 0 24px;
  max-width: 15ch;
}

.hero p.lede {
  font-size: clamp(18px, 2vw, 21px);
  color: var(--muted);
  max-width: 60ch;
  margin: 0 0 36px;
}

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

/* Sections */
section { padding: 96px 0; }

section + section { border-top: 1px solid var(--line); }

.section-head { max-width: 680px; margin-bottom: 48px; }

.section-head h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.section-head p { color: var(--muted); margin: 0; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.card h3 {
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

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

.card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.card li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.card li:last-child { border-bottom: 0; }

.badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 20px;
  font-size: 18px;
}

/* Products */
.product {
  text-decoration: none;
  transition: border-color 140ms ease, transform 140ms ease;
}

.product:hover { border-color: var(--accent); transform: translateY(-2px); }

.product .tagline {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.product .go {
  margin-top: auto;
  padding-top: 8px;
  color: var(--accent);
  font-weight: 600;
  font-size: 15px;
}

.status {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  vertical-align: middle;
}

/* Principles */
.principles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}

.principle { padding: 28px; }

.principle + .principle { border-left: 1px solid var(--line); }

.principle .num {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.principle h3 { font-size: 18px; margin: 0 0 8px; }

.principle p { color: var(--muted); font-size: 15px; margin: 0; }

/* Contact */
.contact {
  background: var(--ink);
  color: var(--canvas);
  border-radius: 20px;
  padding: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.contact h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}

.contact p { margin: 0; opacity: 0.75; max-width: 52ch; }

.contact .btn { background: var(--canvas); color: var(--ink); border-color: var(--canvas); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 56px;
  color: var(--muted);
  font-size: 14px;
}

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

.site-footer nav { display: flex; gap: 22px; flex-wrap: wrap; }

.site-footer a { text-decoration: none; }

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

/* Legal pages */
.legal { padding: 72px 0 96px; }

.legal .wrap { max-width: 760px; }

.legal h1 {
  font-size: clamp(32px, 4.4vw, 46px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 8px;
}

.legal .effective { color: var(--muted); margin: 0 0 40px; }

.legal h2 { font-size: 20px; margin: 40px 0 10px; }

.legal p, .legal li { color: var(--ink); }

.legal ul { padding-left: 20px; }

.legal li { margin-bottom: 6px; }

.note {
  background: var(--accent-soft);
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 15px;
}

@media (max-width: 900px) {
  .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .principle:nth-child(3) { border-left: 0; }
  .principle:nth-child(n + 3) { border-top: 1px solid var(--line); }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .nav a:not(.btn) { display: none; }
  .hero { padding: 72px 0 64px; }
  section { padding: 64px 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .card { padding: 24px; }
  .principles { grid-template-columns: 1fr; }
  .principle + .principle { border-left: 0; border-top: 1px solid var(--line); }
  .contact { padding: 36px 24px; }
}