/* ─── Tokens ──────────────────────────────────────────────────────────────── */
:root {
  --color-bg:        #ffffff;
  --color-surface:   #f7f7f5;
  --color-border:    #e2e2e2;
  --color-text:      #121212;
  --color-muted:     #6b6b6b;
  --color-primary:   #121212;
  --color-primary-h: #000000;
  --color-accent:    #326891;
  --color-cta:       #121212;
  --color-cta-h:     #000000;
  --color-tag:       #326891;

  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --radius:    4px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
}

/* ─── Reset & base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ─── Typography ──────────────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}
h1 { font-size: clamp(1.75rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.9rem); }
h3 { font-size: 1.1rem; }
p  { color: var(--color-muted); max-width: 65ch; }

/* ─── Layout ──────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ─── Header ──────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header-top {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0;
}
.site-logo .logo-10 {
  background: var(--color-text);
  color: #fff;
  padding: 2px 7px;
  border-radius: 3px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0;
  margin-right: 4px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-actions .btn-login {
  display: none;
  padding: 7px 18px;
  background: var(--color-text);
  color: #fff;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border: none;
  cursor: pointer;
  transition: opacity .15s;
}
.header-actions .btn-login:hover { opacity: .85; }
@media (min-width: 640px) { .header-actions .btn-login { display: inline-block; } }

/* Category nav strip */
.cat-nav {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  display: none;
}
@media (min-width: 900px) { .cat-nav { display: block; } }
.cat-nav::-webkit-scrollbar { display: none; }

.cat-nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  white-space: nowrap;
}

.cat-link {
  display: inline-block;
  padding: 11px 14px;
  font-size: 0.88rem;
  font-weight: 700;
  font-family: var(--font-sans);
  color: var(--color-text);
  transition: color .15s;
  border-bottom: 2px solid transparent;
}
.cat-link:hover { color: var(--color-accent); }
.cat-link--active { border-bottom-color: var(--color-text); }

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius);
}
@media (min-width: 900px) { .hamburger { display: none; } }
.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
.hamburger--open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger--open span:nth-child(2) { opacity: 0; }
.hamburger--open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  padding: 8px 20px 16px;
}
.mobile-nav--open { display: flex; }
.mobile-nav-link {
  padding: 12px 4px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.mobile-nav-link:last-child { border-bottom: none; }

/* ─── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-surface);
  border-top: 3px solid var(--color-text);
  margin-top: 80px;
}
.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 40px 20px;
}
.footer-top {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}
@media (min-width: 640px) {
  .footer-top { flex-direction: row; justify-content: space-between; align-items: flex-start; }
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 4px;
}
.footer-logo .logo-10 {
  background: var(--color-text);
  color: #fff;
  padding: 1px 6px;
  border-radius: 3px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 800;
  margin-right: 3px;
}
.footer-tagline { font-size: 0.85rem; color: var(--color-muted); margin-top: 6px; max-width: none; }
.footer-nav-group { display: flex; flex-direction: column; gap: 8px; }
.footer-nav-group h4 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-text);
  margin-bottom: 4px;
}
.footer-nav-group a {
  font-size: 0.88rem;
  color: var(--color-muted);
  transition: color .15s;
}
.footer-nav-group a:hover { color: var(--color-text); }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  text-align: center;
}
@media (min-width: 640px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}
.footer-copy { font-size: 0.82rem; color: var(--color-muted); max-width: none; }
.footer-legal { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.footer-legal a { font-size: 0.82rem; color: var(--color-muted); transition: color .15s; }
.footer-legal a:hover { color: var(--color-text); }

/* ─── Disclaimer bar ──────────────────────────────────────────────────────── */
.disclosure-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  padding: 8px 20px;
  font-size: 0.8rem;
  color: var(--color-muted);
}
.disclosure-bar a { color: var(--color-accent); text-decoration: underline; }

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-cta);
  color: #fff;
  border-color: var(--color-cta);
}
.btn-primary:hover { background: var(--color-cta-h); border-color: var(--color-cta-h); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}
.btn-outline:hover { background: var(--color-text); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--color-accent);
  border-color: transparent;
  font-weight: 700;
}
.btn-ghost:hover { text-decoration: underline; }

/* ─── Section spacing ─────────────────────────────────────────────────────── */
.section { padding: 56px 0; }
.section-lg { padding: 80px 0; }
@media (min-width: 768px) {
  .section { padding: 72px 0; }
  .section-lg { padding: 100px 0; }
}
.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-sans);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
}
.section-heading { margin-bottom: 14px; }
.section-divider {
  border: none;
  border-top: 3px solid var(--color-text);
  margin-bottom: 28px;
}
.section-divider-thin {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 32px 0;
}

/* ─── Cards ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 22px;
  transition: box-shadow .2s;
}
.card:hover { box-shadow: var(--shadow-md); }

/* ─── Grid helpers ────────────────────────────────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 600px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }

/* ─── Post card ───────────────────────────────────────────────────────────── */
.post-card { padding: 0; border: none; background: none; display: flex; flex-direction: column; }
.post-card:hover { box-shadow: none; }
.post-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 14px;
  background: var(--color-surface);
}
.post-card-img-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 4px;
  margin-bottom: 14px;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}
.post-card-label {
  font-size: 0.68rem;
  font-weight: 700;
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
}
.post-card h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.3;
  margin-bottom: 8px;
}
.post-card h3 a { color: var(--color-text); transition: color .15s; }
.post-card h3 a:hover { color: var(--color-accent); }
.post-card-excerpt { font-size: 0.88rem; color: var(--color-muted); margin-bottom: 10px; }
.post-card-meta { display: flex; flex-direction: column; gap: 6px; margin-top: auto; padding-top: 10px; }
.post-card-date { font-size: 0.78rem; color: var(--color-muted); }
.post-card-read { font-size: 0.82rem; font-weight: 700; color: var(--color-accent); font-family: var(--font-sans); }
.post-card-read:hover { text-decoration: underline; }

/* ─── Featured post (large) ───────────────────────────────────────────────── */
.featured-post { display: grid; grid-template-columns: 1fr; gap: 28px; }
@media (min-width: 768px) { .featured-post { grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: start; } }
.featured-post-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: 4px;
  background: var(--color-surface);
}
.featured-post-img-placeholder {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 4px;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}
.featured-post-content {}
.featured-post-content .post-card-label { font-size: 0.72rem; }
.featured-post-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  line-height: 1.25;
  margin-bottom: 12px;
}
.featured-post-content h2 a { color: var(--color-text); }
.featured-post-content h2 a:hover { color: var(--color-accent); }
.featured-post-excerpt { font-size: 0.95rem; color: var(--color-muted); margin-bottom: 16px; }

/* ─── Sidebar latest list ─────────────────────────────────────────────────── */
.latest-list { display: flex; flex-direction: column; gap: 20px; }
.latest-item { padding-bottom: 20px; border-bottom: 1px solid var(--color-border); }
.latest-item:last-child { border-bottom: none; padding-bottom: 0; }
.latest-item .post-card-label { margin-bottom: 4px; }
.latest-item h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.3;
  margin-bottom: 4px;
}
.latest-item h3 a { color: var(--color-text); }
.latest-item h3 a:hover { color: var(--color-accent); }
.latest-item-date { font-size: 0.78rem; color: var(--color-muted); }

/* ─── Homepage layout ─────────────────────────────────────────────────────── */
.home-main-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 900px) {
  .home-main-grid { grid-template-columns: 1fr 300px; gap: 56px; }
}
.home-sidebar-section h3 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-text);
  padding-bottom: 10px;
  border-bottom: 3px solid var(--color-text);
  margin-bottom: 20px;
}

/* ─── Article page ────────────────────────────────────────────────────────── */
.article-header { padding: 40px 0 32px; }
.article-header .post-card-label { font-size: 0.75rem; margin-bottom: 12px; }
.article-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  max-width: 16ch;
  margin-bottom: 16px;
}
.article-meta { font-size: 0.85rem; color: var(--color-muted); display: flex; gap: 16px; flex-wrap: wrap; }
.article-hero {
  width: 100%;
  aspect-ratio: 16/8;
  object-fit: cover;
  border-radius: 4px;
  background: var(--color-surface);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
}
.article-body {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
}
.article-body p { color: var(--color-text); max-width: none; margin-bottom: 22px; }
.article-body h2 {
  font-size: 1.35rem;
  margin: 36px 0 14px;
  font-family: var(--font-serif);
}
.article-body h3 {
  font-size: 1.1rem;
  margin: 28px 0 10px;
  font-family: var(--font-serif);
}
.article-body ul, .article-body ol {
  padding-left: 24px;
  margin-bottom: 22px;
  color: var(--color-text);
}
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--color-accent); text-decoration: underline; }
.article-body strong { font-weight: 700; }

/* ─── Ranked item ─────────────────────────────────────────────────────────── */
.ranked-item {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 22px 24px;
  margin-bottom: 20px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.rank-badge {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  background: var(--color-text);
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ranked-item-content h3 { font-size: 1rem; margin-bottom: 4px; }
.ranked-item-content p { font-size: 0.9rem; color: var(--color-muted); max-width: none; margin: 0; }

/* ─── Forms ───────────────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-label { font-size: 0.9rem; font-weight: 600; color: var(--color-text); font-family: var(--font-sans); }
.form-input, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(50,104,145,.12);
}
.form-textarea { resize: vertical; min-height: 120px; }

/* ─── Alert ───────────────────────────────────────────────────────────────── */
.alert {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 18px; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 500;
}
.alert-success { background: #f0fdf4; border: 1px solid #86efac; color: #166534; }

/* ─── Prose (legal pages) ─────────────────────────────────────────────────── */
.prose h2 { font-size: 1.15rem; color: var(--color-text); margin-bottom: 8px; margin-top: 36px; font-family: var(--font-sans); font-weight: 700; }
.prose h2:first-child { margin-top: 0; }
.prose p { margin-bottom: 16px; color: var(--color-muted); max-width: none; }
.prose a { color: var(--color-accent); text-decoration: underline; }
.prose ul { padding-left: 22px; margin-bottom: 16px; color: var(--color-muted); }
.prose li { margin-bottom: 6px; }

/* ─── 404 ─────────────────────────────────────────────────────────────────── */
.error-page {
  min-height: 60vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 40px 20px;
}
.error-code {
  font-size: clamp(5rem, 20vw, 8rem);
  font-weight: 900; font-family: var(--font-serif);
  color: var(--color-border);
  line-height: 1; margin-bottom: 16px;
}

/* ─── Category badge ──────────────────────────────────────────────────────── */
.cat-badge {
  display: inline-block;
  padding: 3px 10px;
  border: 1.5px solid var(--color-text);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-sans);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ─── Newsletter strip ────────────────────────────────────────────────────── */
.newsletter-strip {
  background: var(--color-text);
  color: #fff;
  padding: 48px 0;
  margin-top: 72px;
}
.newsletter-strip h2 { color: #fff; font-family: var(--font-serif); }
.newsletter-strip p { color: rgba(255,255,255,.7); max-width: 42ch; }
.newsletter-form { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.newsletter-form input {
  flex: 1;
  min-width: 220px;
  padding: 11px 16px;
  border-radius: var(--radius);
  border: none;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
}
.newsletter-form button {
  padding: 11px 24px;
  background: #5AC4FF;
  color: #121212;
  border: none;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 700;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: opacity .15s;
}
.newsletter-form button:hover { opacity: .88; }

/* ─── Utility ─────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }