/* ——— Font faces ——— */
@font-face {
  font-family: 'Monument Grotesk';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/blog/assets/fonts/monument-grotesk.woff2') format('woff2');
}

@font-face {
  font-family: 'Monument Grotesk Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/blog/assets/fonts/monument-grotesk-mono.woff2') format('woff2');
}

/* ——— Design tokens: mito-site .light block as :root ——— */
:root {
  --background:         oklch(0.98 0 0);
  --background-mid:     oklch(0.93 0 0);
  --background-low:     oklch(0.955 0 0);
  --foreground:         oklch(0.205 0 0);
  --card:               oklch(1 0 0);
  --primary:            oklch(0.205 0 0);
  --primary-foreground: oklch(0.985 0 0);
  --secondary:          oklch(0.95 0 0);
  --tertiary:           oklch(0.546 0.215 262.9);
  --muted-foreground:   oklch(0.45 0 0);
  --accent-secondary:   oklch(0.646 0.2 38.9);
  --accent-primary:     oklch(0.769 0.17 91);
  --destructive:        oklch(0.58 0.22 22.216);
  --border:             oklch(0.9 0 0);
  --border-mid:         oklch(0.82 0 0);
  --text-high:          oklch(0.145 0 0);
  --text-mid:           oklch(0.45 0 0);
  --text-low:           oklch(0.65 0 0);
  --radius:             0.5rem;
  --neutral-100:        oklch(0.97 0 0);
  --neutral-200:        oklch(0.922 0 0);
  --neutral-500:        oklch(0.556 0 0);
  --neutral-900:        oklch(0.145 0 0);
}

/* ——— Dark mode tokens ——— */
[data-theme="dark"] {
  --background:         oklch(0.248 0 0);
  --background-mid:     oklch(0.371 0 0);
  --background-low:     oklch(0.293 0 0);
  --foreground:         oklch(0.985 0 0);
  --card:               oklch(0.293 0 0);
  --primary:            oklch(1 0 0);
  --primary-foreground: oklch(0.205 0 0);
  --secondary:          oklch(0.269 0 0);
  --border:             oklch(0.424 0 0);
  --border-mid:         oklch(0.5 0 0);
  --text-high:          oklch(0.985 0 0);
  --text-mid:           oklch(0.708 0 0);
  --text-low:           oklch(0.556 0 0);
  --neutral-900:        oklch(0.985 0 0);
}

[data-theme="dark"] .home-cta,
[data-theme="dark"] .post-cta {
  background: oklch(0.205 0 0);
}

[data-theme="dark"] .home-cta__btn,
[data-theme="dark"] .post-cta__btn {
  background: oklch(0.985 0 0);
  color: oklch(0.205 0 0);
}

[data-theme="dark"] .home-cta__title,
[data-theme="dark"] .post-cta__headline {
  color: oklch(0.985 0 0);
}

[data-theme="dark"] .site-header {
  background: oklch(0.248 0 0 / 0.85) !important;
}

[data-theme="dark"] .site-footer__signup {
  background: oklch(0.985 0 0);
  color: oklch(0.205 0 0);
}

[data-theme="dark"] .site-header__signup {
  background: oklch(0.985 0 0);
  color: oklch(0.205 0 0);
}

[data-theme="dark"] .site-header.scrolled {
  background: oklch(0.248 0 0 / 0.85) !important;
}

/* ——— Reset ——— */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-font-smoothing: antialiased; }

/* ——— Base ——— */
body {
  font-family: 'Monument Grotesk', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--foreground);
  background: var(--background);
  letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
code, pre { font-family: 'Monument Grotesk Mono', monospace; }

/* ——— Layout ——— */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ——— Header ——— */
.site-header {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 50;
  transition: background 0.25s, border-color 0.25s;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: oklch(0.98 0 0 / 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  gap: 48px;
}

/* MITO SVG logo — same proportions as mito-site */
.site-header__logo svg { display: block; }

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-header__nav a {
  font-size: 14px;
  line-height: 19px;
  letter-spacing: -0.01em;
  color: var(--text-mid);
  transition: color 0.15s;
}

.site-header__nav a:hover,
.site-header__nav a.active {
  color: var(--text-high);
}

/* ——— Theme toggle ——— */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: none;
  border: 1px solid var(--border-mid);
  border-radius: 8px;
  color: var(--text-mid);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.theme-toggle:hover { color: var(--text-high); border-color: var(--text-low); }

.theme-toggle__moon { display: none; }

[data-theme="dark"] .theme-toggle__sun { display: none; }
[data-theme="dark"] .theme-toggle__moon { display: block; }

/* ——— Header auth buttons ——— */
.site-header__auth {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.site-header__signin {
  font-size: 14px;
  line-height: 19px;
  letter-spacing: -0.01em;
  color: var(--text-high);
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-mid);
  transition: border-color 0.15s;
}

.site-header__signin:hover {
  border-color: var(--neutral-500);
}

.site-header__signup {
  font-size: 14px;
  line-height: 19px;
  letter-spacing: -0.01em;
  color: var(--primary-foreground);
  background: var(--primary);
  padding: 8px 12px;
  border-radius: 8px;
  transition: opacity 0.15s;
}

.site-header__signup:hover { opacity: 0.85; }

/* ——— Footer ——— */
.site-footer {
  margin-top: 8rem;
  padding: 32px 0;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}

.site-footer__copy {
  font-size: 13px;
  color: var(--text-low);
  letter-spacing: -0.01em;
}

.site-footer__links {
  display: flex;
  gap: 24px;
}

.site-footer__links a {
  font-size: 13px;
  color: var(--text-low);
  letter-spacing: -0.01em;
  transition: color 0.15s;
}

.site-footer__links a:hover { color: var(--text-mid); }

.site-footer__signup {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background: var(--neutral-900);
  color: oklch(1 0 0);
  font-size: 13px;
  letter-spacing: -0.01em;
  border-radius: 8px;
  transition: opacity 0.15s;
}

.site-footer__signup:hover { opacity: 0.8; }

/* ——— Breadcrumb ——— */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: -0.01em;
  color: var(--text-low);
  margin-bottom: 28px;
}

.breadcrumb a {
  color: var(--text-low);
  transition: color 0.15s;
}

.breadcrumb a:hover { color: var(--text-mid); }

.breadcrumb__sep { color: var(--border-mid); }

.breadcrumb__current {
  color: var(--text-mid);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 320px;
}

/* ——— Home: intro ——— */
.home-intro {
  padding-top: 120px;
  padding-bottom: 64px;
}

.home-intro__title {
  font-size: clamp(52px, 7vw, 96px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 400;
  color: var(--text-high);
  margin-bottom: 12px;
}

.home-intro__desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-mid);
  max-width: 420px;
}

/* ——— Category tabs ——— */
.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.category-tabs a {
  font-size: 13px;
  letter-spacing: -0.01em;
  color: var(--text-mid);
  padding: 6px 14px;
  border-radius: 9999px;
  transition: background 0.15s, color 0.15s;
}

.category-tabs a:hover,
.category-tabs a.active {
  background: var(--secondary);
  color: var(--text-high);
}

/* ——— Home CTA ——— */
.home-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 40px;
  margin: 48px 0;
  background: var(--neutral-900);
  border-radius: 8px;
  flex-wrap: wrap;
}

.home-cta__copy {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.home-cta__title {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: oklch(0.985 0 0);
}

.home-cta__subtitle {
  font-size: 14px;
  color: oklch(0.985 0 0 / 0.55);
  letter-spacing: -0.01em;
}

.home-cta__btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  background: oklch(1 0 0);
  color: var(--neutral-900);
  font-size: 14px;
  letter-spacing: -0.01em;
  border-radius: 8px;
  white-space: nowrap;
  transition: opacity 0.15s;
  flex-shrink: 0;
}

.home-cta__btn:hover { opacity: 0.88; }

/* ——— Posts grid ——— */
.posts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 640px) {
  .posts-grid { grid-template-columns: 1fr; }
}

/* ——— Post card ——— */
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border-radius: 8px;
  overflow: hidden;
  transition: opacity 0.15s;
  cursor: pointer;
}

.post-card:hover { opacity: 0.85; }

.post-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 24px 24px;
}

.post-card__image-wrap {
  position: relative;
}

.post-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  background: var(--background-mid);
}

.post-card__category {
  position: absolute;
  bottom: 12px;
  left: 12px;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: oklch(1 0 0 / 0.9);
  background: oklch(0 0 0 / 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 4px 10px;
  border-radius: 8px;
}

.post-card__title {
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 400;
  color: var(--text-high);
}

.post-card__excerpt {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-mid);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__date {
  font-size: 12px;
  color: var(--text-low);
  margin-top: auto;
  padding-top: 8px;
}

/* Featured card: full-width, landscape image */
.post-card--featured {
  grid-column: 1 / -1;
  flex-direction: row;
}

.post-card--featured .post-card__image-wrap {
  width: 50%;
  flex-shrink: 0;
}

.post-card--featured .post-card__image {
  width: 100%;
  aspect-ratio: auto;
  min-height: 280px;
  height: 100%;
}

.post-card--featured .post-card__body {
  padding: 32px 36px;
  justify-content: center;
}

.post-card--featured .post-card__title {
  font-size: 22px;
  line-height: 1.25;
}

@media (max-width: 640px) {
  .post-card--featured { flex-direction: column; }
  .post-card--featured .post-card__image-wrap { width: 100%; }
  .post-card--featured .post-card__image { min-height: 200px; aspect-ratio: 16 / 9; height: auto; }
}

/* ——— Post layout ——— */
main { padding-top: 80px; min-height: 100vh; }

.post-header {
  padding: 48px 0 40px;
}

.post-header__category {
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-low);
  margin-bottom: 16px;
}

.post-header__title {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 400;
  color: var(--text-high);
  margin-bottom: 16px;
}

.post-header__excerpt {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-mid);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.post-date {
  font-size: 13px;
  color: var(--text-low);
  letter-spacing: -0.01em;
}

/* ——— Post hero image ——— */
.post-hero-image {
  width: 100%;
  max-width: 960px;
  margin: 0 auto 48px;
  padding: 0 24px;
}

.post-hero-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  border-radius: 8px;
}

/* ——— Prose ——— */
.prose {
  font-size: 17px;
  line-height: 1.75;
  color: var(--foreground);
  padding-bottom: 80px;
}

.prose h2 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--text-high);
  margin: 48px 0 16px;
}

.prose h3 {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text-high);
  margin: 36px 0 12px;
}

.prose p { margin-bottom: 20px; }
.prose p:last-child { margin-bottom: 0; }

.prose ul, .prose ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.prose li { margin-bottom: 6px; }

.prose a {
  color: var(--tertiary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose strong { color: var(--text-high); font-weight: 500; }

.prose code {
  font-family: 'Monument Grotesk Mono', monospace;
  font-size: 14px;
  background: var(--secondary);
  padding: 2px 6px;
  border-radius: 4px;
}

.prose pre {
  background: var(--neutral-900);
  color: oklch(0.985 0 0);
  border-radius: 8px;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
}

.prose pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 14px;
}

.prose blockquote {
  border-left: 2px solid var(--border-mid);
  padding-left: 20px;
  color: var(--text-mid);
  margin: 24px 0;
}

.prose img {
  border-radius: 8px;
  margin: 32px 0;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* ——— Post CTA ——— */
.post-cta {
  margin-top: 64px;
  padding: 40px;
  background: var(--neutral-900);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.post-cta__headline {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: oklch(0.985 0 0);
  margin: 0;
}

.post-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: oklch(1 0 0);
  color: var(--neutral-900);
  font-size: 15px;
  letter-spacing: -0.01em;
  border-radius: 8px;
  white-space: nowrap;
  transition: opacity 0.15s;
  flex-shrink: 0;
}

.post-cta__btn:hover { opacity: 0.88; }

/* ——— Related posts ——— */
.related-posts {
  margin-top: 64px;
  padding-bottom: 80px;
}

.related-posts__heading {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-low);
  margin-bottom: 16px;
}

/* ——— Category page ——— */
.category-header {
  padding: 120px 0 48px;
}

.category-header__label {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-low);
  margin-bottom: 8px;
}

.category-header__title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text-high);
}