/* inboxy.net — v0.1 marketing styles.
 * Restrained palette, generous whitespace, content-first. No frameworks.
 * Plan §8 calls for Tailwind eventually; hand-written for now to avoid the
 * build step until there's a second page that benefits. */

:root {
  --ink: #1f1d1a;
  --ink-soft: #4a4640;
  --ink-faint: #7a746b;
  --paper: #fbf9f5;
  --paper-card: #ffffff;
  --rule: #e9e3d8;
  --accent: #b85c00;
  --accent-soft: #fff2e1;
  --max: 68ch;
}

* { box-sizing: border-box; }
html { color-scheme: light; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

a { color: var(--accent); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); }
a:hover { border-bottom-color: var(--accent); }
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.92em; background: var(--accent-soft); padding: 0.05em 0.32em; border-radius: 3px; color: var(--ink); }

/* ── Header ─────────────────────────────────────────── */
.site-header {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.site-header nav {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  max-width: calc(var(--max) + 12ch); padding: 0 1.5rem;
}
.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  border: none;
  letter-spacing: -0.01em;
}
.brand-dot { color: var(--ink-faint); font-weight: 500; }
.nav-links { display: flex; gap: 1.3rem; font-size: 0.95rem; }
.nav-links a { color: var(--ink-soft); border: none; }
.nav-links a:hover { color: var(--ink); }
.nav-links .cta-link { color: var(--accent); font-weight: 500; }

/* ── Hero ───────────────────────────────────────────── */
.hero {
  padding: 5rem 1.5rem 3.5rem;
}
.hero h1 {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
  color: var(--ink);
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
}
.lede {
  font-size: 1.18rem;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 0 2rem;
}
.hero-cta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.25rem;
  margin: 0;
}
.btn-primary {
  display: inline-block;
  padding: 0.75rem 1.4rem;
  background: var(--accent);
  color: var(--paper);
  font-weight: 600;
  border-radius: 6px;
  border: none;
}
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 85%, black); }
.cta-note { color: var(--ink-faint); font-size: 0.92rem; }

/* ── Three-up ───────────────────────────────────────── */
.three-up {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 2rem;
  padding: 2rem 1.5rem 3rem;
}
.three-up article {
  padding: 1.5rem;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
}
.three-up h3 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
}
.three-up p { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }

/* ── Section commons ────────────────────────────────── */
.guarantees, .how, .footnote-section {
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--rule);
}
h2 {
  font-family: ui-serif, Georgia, serif;
  font-size: 1.6rem;
  margin: 0 0 1.2rem;
  letter-spacing: -0.01em;
}
.guarantees ul { padding: 0; list-style: none; margin: 0 0 1rem; }
.guarantees li { padding: 0.7rem 0; border-top: 1px solid var(--rule); color: var(--ink-soft); }
.guarantees li:first-child { border-top: none; }
.guarantees li strong { color: var(--ink); }
.guarantees-note { color: var(--ink-faint); font-size: 0.95rem; margin-top: 1rem; }

.how-steps {
  margin: 0;
  padding-left: 1.4rem;
  display: flex; flex-direction: column; gap: 0.9rem;
  color: var(--ink-soft);
}
.how-steps li strong { color: var(--ink); }

.footnote-section p { color: var(--ink-faint); font-size: 0.95rem; margin: 0; }

/* ── Footer ─────────────────────────────────────────── */
.site-footer {
  margin-top: 3rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--rule);
  background: var(--paper);
}
.site-footer .tagline { font-size: 1.05rem; margin: 0 0 0.5rem; color: var(--ink); }
.site-footer .meta { font-size: 0.9rem; color: var(--ink-faint); margin: 0; }
.site-footer .meta a { color: var(--ink-soft); border: none; }
.site-footer .meta a:hover { color: var(--ink); }

@media (max-width: 540px) {
  .site-header nav { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .nav-links { flex-wrap: wrap; }
  .hero { padding: 3rem 1.5rem 2.5rem; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f3ece0;
    --ink-soft: #c8c0b2;
    --ink-faint: #8e8678;
    --paper: #161412;
    --paper-card: #1d1b18;
    --rule: #2c2823;
    --accent: #ff9a3c;
    --accent-soft: #2a1c0c;
  }
  html { color-scheme: dark; }
}