/* Mito — shared stylesheet
   Self-hosted, no external fonts, no trackers. */

:root {
  --fg: #14181a;
  --fg-strong: #0a0d0e;
  --muted: #5b6660;
  --bg: #f7f9f8;
  --bg-elevated: #ffffff;
  --border: #e3e7e5;
  --accent: #00897b;
  --accent-hover: #00695c;
  --accent-soft: rgba(0, 137, 123, 0.08);
  --accent-fg: #ffffff;
  --shadow-sm: 0 1px 2px rgba(15, 30, 25, 0.04), 0 1px 3px rgba(15, 30, 25, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 30, 25, 0.06), 0 2px 4px rgba(15, 30, 25, 0.04);
  --shadow-lg: 0 12px 32px rgba(15, 30, 25, 0.08), 0 4px 8px rgba(15, 30, 25, 0.04);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --max-width: 1100px;
  --max-width-text: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e6ebe8;
    --fg-strong: #ffffff;
    --muted: #9aa6a1;
    --bg: #0e1211;
    --bg-elevated: #181d1c;
    --border: #2a3330;
    --accent: #4db6ac;
    --accent-hover: #80cbc4;
    --accent-soft: rgba(77, 182, 172, 0.10);
    --accent-fg: #0a1413;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

img, svg { max-width: 100%; display: block; }

/* ───────────── Navigation ───────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--fg-strong);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.nav__brand:hover { text-decoration: none; }
.nav__logo {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  display: grid; place-items: center;
  color: var(--accent-fg);
  font-weight: 800;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
}
.nav__links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav__link {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}
.nav__link:hover { color: var(--fg-strong); background: var(--accent-soft); text-decoration: none; }
.nav__link--active { color: var(--fg-strong); }
.nav__cta {
  margin-left: 4px;
  background: var(--accent);
  color: var(--accent-fg);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
}
.nav__cta:hover { background: var(--accent-hover); color: var(--accent-fg); text-decoration: none; }

/* ───────────── Layout ───────────── */

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

section { padding: 72px 0; }
@media (max-width: 640px) { section { padding: 56px 0; } }

/* ───────────── Hero ───────────── */

.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(ellipse 60% 70% at 70% 0%, var(--accent-soft) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 0% 50%, var(--accent-soft) 0%, transparent 60%);
}
.hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}
.hero__eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fg-strong);
  margin: 0 0 20px;
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}
.hero__subtitle {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 36px;
}
.hero__ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary {
  background: var(--accent);
  color: var(--accent-fg);
  box-shadow: var(--shadow-md);
}
.btn--primary:hover { background: var(--accent-hover); color: var(--accent-fg); box-shadow: var(--shadow-lg); }
.btn--ghost {
  background: var(--bg-elevated);
  color: var(--fg);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.btn--ghost:hover { color: var(--fg-strong); border-color: var(--accent); }

/* ───────────── Section heading ───────────── */

.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-head__eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.section-head__title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--fg-strong);
  margin: 8px 0 12px;
}
.section-head__subtitle {
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ───────────── Feature grid ───────────── */

.features {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .feature-grid { grid-template-columns: 1fr; } }

.feature {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.feature:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.feature__icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid; place-items: center;
  margin-bottom: 18px;
}
.feature__icon svg { width: 22px; height: 22px; }
.feature__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg-strong);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.feature__desc {
  color: var(--muted);
  font-size: 0.96rem;
  margin: 0;
}

/* ───────────── Quote / philosophy ───────────── */

.quote {
  text-align: center;
}
.quote__text {
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 500;
  color: var(--fg-strong);
  letter-spacing: -0.01em;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.4;
}
.quote__rule {
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 999px;
  margin: 0 auto 32px;
}

/* ───────────── Final CTA ───────────── */

.cta {
  text-align: center;
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, var(--accent-soft) 0%, transparent 65%);
}
.cta__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--fg-strong);
  margin: 0 0 16px;
}
.cta__subtitle {
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 28px;
}

/* ───────────── Long-form content (about, privacy) ───────────── */

.page-header {
  text-align: center;
  padding: 72px 0 40px;
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, var(--accent-soft) 0%, transparent 65%);
}
.page-header__eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.page-header__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--fg-strong);
  margin: 0 0 12px;
}
.page-header__meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.prose {
  padding: 24px 0 80px;
}
.prose h2 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg-strong);
  margin: 48px 0 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.prose h2:first-of-type { border-top: none; padding-top: 0; margin-top: 8px; }
.prose h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg-strong);
  margin: 28px 0 8px;
}
.prose p, .prose li { font-size: 1rem; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin-bottom: 6px; }
.prose code {
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  border: 1px solid var(--border);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.prose strong { color: var(--fg-strong); }
.prose blockquote {
  border-left: 3px solid var(--accent);
  margin: 16px 0;
  padding: 8px 18px;
  color: var(--muted);
  background: var(--bg-elevated);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.92rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: block;
  overflow-x: auto;
}
.prose th, .prose td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.prose th { background: var(--bg); font-weight: 600; color: var(--fg-strong); }
.prose tr:last-child td { border-bottom: none; }

/* ───────────── Footer ───────────── */

.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--muted);
  font-size: 0.9rem;
  padding: 40px 24px 56px;
  text-align: center;
}
.footer__brand {
  font-weight: 700;
  color: var(--fg-strong);
  margin-bottom: 6px;
}
.footer__links {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: center;
}
.footer__links a { color: var(--muted); }
.footer__links a:hover { color: var(--accent); }
.footer__legal {
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--muted);
}

/* ───────────── Utilities / accessibility ───────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}

::selection { background: var(--accent); color: var(--accent-fg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }