/* DateGPT blog — standalone stylesheet for server-rendered pages.
   Mirrors the palette/typography of web/src/styles.css (not Vite-bundled). */

:root {
  --bg: #0e0a10;
  --bg-2: #140e17;
  --surface: #1b1322;
  --surface-2: #221827;
  --line: #352739;
  --line-strong: #4b3550;

  --ink: #f5ece1;
  --muted: #a08fa8;
  --faint: #6f6076;

  --pink: #ff2e63;
  --pink-soft: #ff6b95;
  --pink-dim: rgba(255, 46, 99, 0.14);

  --display: "Bricolage Grotesque", "Arial Black", sans-serif;
  --body: "Instrument Sans", "Helvetica Neue", sans-serif;
  --mono: "JetBrains Mono", "Courier New", monospace;

  --radius: 18px;
  --radius-sm: 12px;
  --nav-h: 68px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--pink);
  color: #0e0a10;
}

a {
  color: var(--pink-soft);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}
h1 {
  font-size: clamp(1.9rem, 6vw, 2.6rem);
  font-weight: 800;
}
h2 {
  font-size: 1.4rem;
  margin-top: 2.2rem;
}
h3 {
  font-size: 1.05rem;
}

p {
  margin: 0 0 1em;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.muted {
  color: var(--muted);
}

.heart {
  color: var(--pink);
}

/* ---------------- nav ---------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(14, 10, 16, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.wordmark {
  font-family: var(--display);
  font-weight: 800;
  font-size: 20px;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.wordmark:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
}
.nav-link:hover {
  color: var(--ink);
  text-decoration: none;
  border-color: var(--line);
}

/* ---------------- layout ---------------- */

.page {
  max-width: 680px;
  margin: 0 auto;
  padding: 44px 18px 64px;
  min-height: 60vh;
}

/* ---------------- blog index ---------------- */

.blog-header {
  margin-bottom: 36px;
}

.blog-lede {
  color: var(--muted);
  font-size: 17px;
}

.post-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.post-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  color: var(--ink);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.post-card:hover {
  text-decoration: none;
  border-color: var(--line-strong);
  transform: translateY(-1px);
}
.post-card h2 {
  margin-top: 0;
  font-size: 1.25rem;
}
.post-card p {
  color: var(--muted);
  margin-bottom: 0.6em;
}

.post-card-date,
.post-date {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
  margin-bottom: 0.6em;
}

.post-card-more {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pink-soft);
}

/* ---------------- blog post ---------------- */

.post-back {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------------- prose (post body) ---------------- */

.prose {
  font-size: 16.5px;
}
.prose h2 {
  margin-top: 2.4rem;
}
.prose h3 {
  margin-top: 1.8rem;
}
.prose ul,
.prose ol {
  padding-left: 1.4em;
  margin: 0 0 1em;
}
.prose li {
  margin-bottom: 0.4em;
}
.prose strong {
  color: var(--ink);
}
.prose blockquote {
  margin: 0 0 1em;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--pink);
  color: var(--muted);
  font-style: italic;
}
.prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 6px;
}
.prose pre {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  overflow-x: auto;
}
.prose pre code {
  background: none;
  border: none;
  padding: 0;
}
.prose hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2.4rem 0;
}
.prose img {
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}

/* ---------------- CTA box ---------------- */

.post-cta {
  margin-top: 48px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  text-align: center;
}
.post-cta h2 {
  margin-top: 0;
}
.post-cta p {
  color: var(--muted);
}

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
}
.btn:hover {
  text-decoration: none;
}
.btn-primary {
  background: var(--pink);
  color: #0e0a10;
}
.btn-primary:hover {
  background: var(--pink-soft);
}

/* ---------------- 404 ---------------- */

.state-block {
  text-align: center;
  padding: 60px 0;
}
.state-icon {
  font-size: 42px;
  display: block;
  margin-bottom: 14px;
}
.state-title {
  font-family: var(--display);
  font-size: 1.4rem;
  font-weight: 700;
}

/* ---------------- footer ---------------- */

.footer {
  margin-top: 90px;
  border-top: 1px solid var(--line);
  padding: 44px 0 40px;
  color: var(--faint);
  font-size: 13px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 32px;
}

.footer-brand p {
  color: var(--faint);
  font-size: 13px;
  max-width: 280px;
  margin-top: 10px;
}

.footer-col h4 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--faint);
  margin: 0 0 12px;
}
.footer-col a {
  display: block;
  color: var(--muted);
  padding: 4px 0;
  font-size: 14px;
}
.footer-col a:hover {
  color: var(--ink);
  text-decoration: none;
}

.footer-legal {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin: 0;
}

@media (min-width: 720px) {
  body {
    font-size: 17px;
  }
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 24px;
  }
}