/* Obsidian Amber / Artisanal Draught — public marketing site.
   Dark-first. Light mode follows prefers-color-scheme. */

:root {
  color-scheme: dark light;
  --stout: #19120e;
  --surface: #19120e;
  --surface-low: #221a16;
  --surface-container: #261e1a;
  --surface-high: #312824;
  --surface-bright: #403732;
  --ink-surface: #3d332e;
  --on-surface: #efdfd8;
  --on-variant: #d6c3b5;
  --outline: #9f8e80;
  --outline-variant: #524439;
  --primary: #ffdcc0;
  --on-primary: #4b2800;
  --amber: #ffb876;
  --hop: #b0d095;
  --page: 20px;
  --gutter: 16px;
  --radius-xl: 24px;
  --radius-lg: 16px;
  --tap: 44px;
  --max: 1180px;
}

@media (prefers-color-scheme: light) {
  :root {
    --stout: #fdf9f2;
    --surface: #fdf9f2;
    --surface-low: #f7f3ec;
    --surface-container: #f1ede6;
    --surface-high: #ebe8e1;
    --surface-bright: #e6e2db;
    --ink-surface: #e6e2db;
    --on-surface: #1c1c18;
    --on-variant: #534437;
    --outline: #867465;
    --outline-variant: #d9c2b1;
    --primary: #894d00;
    --on-primary: #ffffff;
    --amber: #b56a12;
    --hop: #4d6539;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 17px;
  line-height: 24px;
  background:
    radial-gradient(1100px 520px at 78% 12%, color-mix(in srgb, var(--amber) 14%, transparent), transparent 58%),
    radial-gradient(900px 420px at 8% -10%, color-mix(in srgb, var(--amber) 10%, transparent), transparent 55%),
    var(--stout);
  color: var(--on-surface);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--amber); }
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip:focus {
  left: var(--page);
  top: 8px;
  z-index: 60;
  background: var(--primary);
  color: var(--on-primary);
  padding: 8px 12px;
  border-radius: 8px;
}

.wrap {
  width: min(var(--max), calc(100% - (var(--page) * 2)));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid color-mix(in srgb, var(--outline-variant) 45%, transparent);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--on-surface);
  font-family: "Plus Jakarta Sans", Inter, sans-serif;
  font-weight: 600;
  font-size: 18px;
  line-height: 24px;
}
.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--surface-low);
  border: 1px solid color-mix(in srgb, var(--outline-variant) 50%, transparent);
  display: grid;
  place-items: center;
  color: var(--amber);
}
.brand-mark svg { width: 18px; height: 18px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  min-height: var(--tap);
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  text-decoration: none;
  color: var(--on-variant);
  font-family: Inter, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--amber); }
.nav-links a[aria-current="page"] {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

main { flex: 1; }

.hero {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 40px 0 24px;
  gap: 28px;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  width: 100%;
}
.kicker {
  font-family: Inter, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0;
}
.hero h1 {
  font-family: "Plus Jakarta Sans", Inter, sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: clamp(36px, 9vw, 48px);
  line-height: 1.08;
  margin: 0;
  color: var(--on-surface);
}
.lede {
  margin: 0;
  max-width: 34em;
  color: var(--on-variant);
  font-size: 17px;
  line-height: 1.5;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--tap);
  padding: 12px 28px;
  border-radius: var(--radius-xl);
  background: var(--primary);
  color: var(--on-primary);
  text-decoration: none;
  font-family: "Plus Jakarta Sans", Inter, sans-serif;
  font-size: 18px;
  font-weight: 600;
  line-height: 24px;
  border: 0;
  box-shadow: 0 0 18px color-mix(in srgb, var(--amber) 22%, transparent);
  width: 100%;
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-primary svg { width: 20px; height: 20px; }

.phone {
  width: min(300px, 78vw);
  margin: 8px auto 0;
  aspect-ratio: 9 / 19.5;
  border-radius: 2.5rem;
  border: 7px solid #2a221e;
  overflow: hidden;
  background: #130d09;
  position: relative;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--outline-variant) 50%, transparent),
    0 30px 80px color-mix(in srgb, #000 50%, transparent);
}
.phone::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  width: 86px;
  height: 18px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #130d09;
  z-index: 2;
}
.phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
  padding: 28px 0 56px;
}
.feature {
  position: relative;
  overflow: hidden;
  background: var(--surface-low);
  border: 1px solid color-mix(in srgb, var(--outline-variant) 45%, transparent);
  border-radius: var(--radius-xl);
  padding: 28px;
}
.feature::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--primary);
  opacity: 0;
  transition: opacity 160ms ease;
}
.feature:hover::before { opacity: 1; }
.feature:hover { background: var(--surface-bright); }
.icon-disc {
  width: 48px;
  height: 48px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  background: var(--ink-surface);
  border: 1px solid color-mix(in srgb, var(--outline-variant) 35%, transparent);
  color: var(--amber);
}
.icon-disc svg { width: 22px; height: 22px; }
.feature h2,
.privacy-card h2 {
  font-family: "Plus Jakarta Sans", Inter, sans-serif;
  font-size: 18px;
  font-weight: 600;
  line-height: 24px;
  margin: 0 0 10px;
  color: var(--on-surface);
}
.feature p,
.privacy-card p {
  margin: 0;
  font-size: 14px;
  line-height: 20px;
  color: var(--on-variant);
}

.privacy-hero {
  padding: 48px 0 16px;
  max-width: 40rem;
}
.privacy-hero h1 {
  font-family: "Plus Jakarta Sans", Inter, sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: clamp(32px, 6vw, 52px);
  line-height: 1.1;
  margin: 8px 0 16px;
}
.privacy-stack {
  display: flex;
  flex-direction: column;
  gap: var(--gutter);
  max-width: 44rem;
  padding: 16px 0 64px;
}
.privacy-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--surface-low);
  border: 1px solid color-mix(in srgb, var(--outline-variant) 45%, transparent);
  border-radius: var(--radius-xl);
  padding: 20px;
}
.privacy-card .icon-disc {
  margin: 0;
  flex-shrink: 0;
}
.privacy-card:hover { background: var(--surface-bright); }

.site-footer {
  margin-top: auto;
  border-top: 1px solid color-mix(in srgb, var(--outline-variant) 35%, transparent);
  padding: 28px 0 40px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--amber);
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  justify-content: space-between;
  align-items: center;
}
.site-footer a {
  color: var(--on-variant);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.site-footer a:hover { color: var(--on-surface); }

@media (min-width: 720px) {
  :root { --page: 32px; }
  .btn-primary { width: auto; }
  .features {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }
}

@media (min-width: 1024px) {
  :root { --page: 48px; --max: 1240px; }
  .site-header .wrap { min-height: 76px; }
  .hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.85fr);
    align-items: center;
    gap: 72px;
    padding: 72px 0 28px;
    min-height: calc(100vh - 220px);
  }
  .hero-copy {
    max-width: 36rem;
    gap: 22px;
  }
  .hero h1 {
    font-size: clamp(52px, 5.4vw, 76px);
    line-height: 0.98;
    max-width: 9.2em;
  }
  .lede {
    font-size: 20px;
    line-height: 1.45;
    max-width: 28em;
  }
  .phone {
    width: min(380px, 100%);
    margin: 0 0 0 auto;
  }
  .features {
    grid-template-columns: repeat(3, 1fr);
    max-width: none;
    gap: 22px;
    padding: 12px 0 96px;
  }
  .feature { padding: 36px 32px 40px; }
  .privacy-hero {
    padding: 88px 0 24px;
    max-width: 46rem;
  }
  .privacy-stack {
    max-width: 52rem;
    gap: 18px;
    padding-bottom: 96px;
  }
  .privacy-card { padding: 28px; }
}