/* PostNot marketing site — static docs for GitHub Pages */

:root {
  color-scheme: light dark;
  --bg: #f6f4f0;
  --bg-elevated: #fffefb;
  --text: #1a1814;
  --text-muted: #5c574c;
  --accent: #c45c26;
  --accent-hover: #a34d20;
  --border: #e2ddd4;
  --card-shadow: 0 1px 3px rgba(26, 24, 20, 0.06);
  --radius: 12px;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  --max-width: 68rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12110f;
    --bg-elevated: #1c1a17;
    --text: #f2efe8;
    --text-muted: #a39e92;
    --accent: #e07a45;
    --accent-hover: #f0905c;
    --border: #2e2b26;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
}

.brand:hover {
  color: var(--text);
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9375rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
}

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

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

.hero {
  padding: 3rem 0 2.5rem;
  text-align: center;
}

@media (min-width: 640px) {
  .hero {
    padding: 4rem 0 3rem;
  }
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.hero__badges img {
  vertical-align: middle;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero__tagline {
  margin: 0 auto 1.5rem;
  max-width: 36rem;
  font-size: 1.2rem;
  color: var(--text-muted);
}

.hero__note {
  margin: 0 auto 1.75rem;
  max-width: 40rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
  font-style: italic;
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  text-align: left;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn--secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn--secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

section {
  padding: 2.5rem 0;
}

section h2 {
  margin: 0 0 1.25rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-lead {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  max-width: 48rem;
}

.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 560px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--card-shadow);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 650;
}

.card p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--text-muted);
}

.two-col {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 720px) {
  .two-col {
    grid-template-columns: 1fr 1fr;
  }
}

.privacy-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-muted);
}

.privacy-list li {
  margin-bottom: 0.5rem;
}

.status-callout {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--card-shadow);
}

.status-callout p {
  margin: 0;
  color: var(--text-muted);
}

.status-callout strong {
  color: var(--text);
}

.gallery {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

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

.figure-card {
  margin: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.figure-card img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

.figure-card figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 2rem 1.25rem;
  margin-top: 1rem;
}

.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

@media (min-width: 600px) {
  .site-footer__inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.footer-links a {
  font-weight: 500;
}

code,
.code-inline {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--border);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}