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

:root {
  --text: #0e0f12;
  --text-secondary: #4b5563;
  --text-muted: #8b8f99;
  --bg: #fff;
  --bg-alt: #f7f7f5;
  --bg-tint: #f1f1ff;
  --border: #e6e6e9;
  --border-strong: #d4d4d8;
  --accent: #0e0f12;
  --accent-hover: #2a2b31;
  --brand: #4f46e5;
  --brand-soft: #eef0ff;
  --radius: 8px;
  --radius-lg: 14px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 32px;
  --space-xl: 64px;
  --space-2xl: 96px;
  --max-width: 1120px;
  --max-narrow: 720px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* ── Typography ───────────────────────────────────── */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 600; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.125rem; }
p { color: var(--text-secondary); }

/* ── Layout ───────────────────────────────────────── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-lg); }
.container-narrow { max-width: var(--max-narrow); }
.section { padding: var(--space-xl) 0; }
.section-alt { background: var(--bg-alt); }

/* ── Header ───────────────────────────────────────── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.logo {
  font-size: 1.125rem; font-weight: 700; letter-spacing: -0.03em;
}
.nav { display: flex; gap: var(--space-lg); }
.nav-link {
  font-size: 0.875rem; font-weight: 500; color: var(--text-secondary);
  transition: color 0.15s;
}
.nav-link:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span {
  display: block; width: 18px; height: 2px; background: var(--text);
  margin: 4px 0; transition: 0.2s;
}

/* ── Buttons ──────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  padding: 10px 20px; font-size: 0.875rem; font-weight: 500;
  border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; transition: all 0.15s; text-decoration: none;
}
.btn-primary {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-outline {
  background: transparent; color: var(--text); border-color: var(--border);
}
.btn-outline:hover { border-color: var(--text); }
.btn-full { width: 100%; justify-content: center; }

/* ── Hero ─────────────────────────────────────────── */
.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
}
.hero-title { margin-bottom: var(--space-md); }
.hero-subtitle {
  font-size: 1.125rem; color: var(--text-secondary);
  max-width: 520px; margin: 0 auto var(--space-lg);
}
.hero-actions { display: flex; gap: var(--space-md); justify-content: center; margin-bottom: var(--space-lg); }

/* Homepage hero — elevated treatment */
.hero-home {
  position: relative;
  padding: clamp(var(--space-xl), 8vw, var(--space-2xl)) 0 var(--space-xl);
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.hero-home .hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 700px 360px at 50% 0%, rgba(79, 70, 229, 0.12), transparent 65%),
    radial-gradient(ellipse 500px 260px at 80% 80%, rgba(79, 70, 229, 0.06), transparent 70%),
    linear-gradient(180deg, #fff 0%, var(--bg-alt) 100%);
  z-index: 0;
}
.hero-home .container { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: var(--space-md);
  font-size: 0.6875rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--brand);
  background: var(--brand-soft);
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 20px;
}
.hero-home .hero-title {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  letter-spacing: -0.03em;
}
.hero-home .hero-subtitle {
  max-width: 600px;
  font-size: 1.125rem;
}
.hero-stats {
  display: flex; flex-wrap: wrap;
  justify-content: center; gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}
.hero-stat {
  display: flex; flex-direction: column; align-items: center;
  gap: 2px;
}
.hero-stat strong {
  font-size: 1.5rem; font-weight: 700;
  color: var(--text); letter-spacing: -0.02em;
}
.hero-stat span {
  font-size: 0.75rem; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--text-muted);
}
.dot { width: 3px; height: 3px; background: var(--text-muted); border-radius: 50%; align-self: center; }

/* ── Page Header ──────────────────────────────────── */
.page-header {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--border);
}
.page-header h1 { margin-bottom: var(--space-sm); }
.page-subtitle { font-size: 1.0625rem; color: var(--text-secondary); }

/* ── Section Header ───────────────────────────────── */
.section-header {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: var(--space-lg);
}
.link-arrow {
  font-size: 0.875rem; font-weight: 500; color: var(--text-muted);
  transition: color 0.15s;
}
.link-arrow:hover { color: var(--text); }

/* ── Cards ────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}
.card {
  padding: var(--space-lg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card:hover {
  border-color: #ccc;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.card-meta {
  display: flex; gap: var(--space-sm); align-items: center;
  margin-bottom: var(--space-sm);
}
.card-meta time { font-size: 0.8125rem; color: var(--text-muted); }
.card-title { margin-bottom: var(--space-sm); }
.card-title a { transition: color 0.15s; }
.card-title a:hover { color: var(--text-secondary); }
.card-excerpt { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.5; }

/* ── Tags ─────────────────────────────────────────── */
.tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.75rem; font-weight: 500;
  background: var(--bg-alt); color: var(--text-secondary);
  border-radius: 4px;
}

/* ── Vendor Logo (shared) ─────────────────────────── */
.vendor-logo {
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--border);
  overflow: hidden;
  font-weight: 600; color: #fff;
}
.vendor-logo img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 6px;
}
.vendor-logo-fallback img { display: none; }
.vendor-logo-sm { width: 28px; height: 28px; border-radius: 7px; font-size: 0.8125rem; }
.vendor-logo-sm img { padding: 4px; }
.vendor-logo-md { width: 48px; height: 48px; border-radius: 11px; font-size: 1.125rem; }
.vendor-logo-md img { padding: 7px; }
.vendor-logo-lg { width: 72px; height: 72px; border-radius: 16px; font-size: 1.75rem; }
.vendor-logo-lg img { padding: 10px; }

/* ── Vendor Badges (homepage) ─────────────────────── */
.vendor-badges {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-sm);
}
.vendor-badge {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  padding: 10px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: 0.875rem; font-weight: 500;
  transition: all 0.15s;
}
.vendor-badge:hover {
  border-color: var(--brand);
  background: var(--brand-soft);
  transform: translateY(-1px);
}

/* ── Vendor Grid (directory) ──────────────────────── */
.vendor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}
.vendor-card {
  display: flex; flex-direction: column;
  padding: var(--space-lg);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.18s ease;
}
.vendor-card:hover {
  border-color: var(--brand);
  box-shadow: 0 8px 24px -12px rgba(79, 70, 229, 0.25);
  transform: translateY(-2px);
}
.vendor-card-header {
  display: flex; align-items: center; gap: var(--space-md);
  margin-bottom: var(--space-md);
}
.vendor-card-heading { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.vendor-card-name { margin: 0; font-size: 1.0625rem; }
.vendor-card-category {
  font-size: 0.6875rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--text-muted);
}
.vendor-card-desc {
  font-size: 0.875rem; color: var(--text-secondary);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}
.vendor-card-tags { display: flex; gap: var(--space-xs); flex-wrap: wrap; }

/* ── Directory Filters ────────────────────────────── */
.directory-filters {
  display: flex; gap: var(--space-sm); margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}
.filter-btn {
  padding: 6px 14px; font-size: 0.8125rem; font-weight: 500;
  border: 1px solid var(--border); border-radius: 20px;
  background: var(--bg); color: var(--text-secondary);
  cursor: pointer; transition: all 0.15s;
}
.filter-btn:hover { border-color: var(--text); color: var(--text); }
.filter-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Vendor Page ──────────────────────────────────── */
.vendor-hero {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 800px 400px at 20% 0%, rgba(79, 70, 229, 0.06), transparent 60%),
    linear-gradient(180deg, #fff, var(--bg-alt));
}
.vendor-hero-inner {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-xl);
  align-items: start;
}
.vendor-hero-heading {
  display: flex; align-items: center; gap: var(--space-md);
  margin-bottom: var(--space-md);
}
.vendor-category {
  display: inline-block;
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--brand);
  margin-bottom: var(--space-xs);
}
.vendor-title { margin: 0; }
.vendor-desc { font-size: 1.0625rem; color: var(--text-secondary); margin-bottom: var(--space-md); }
.vendor-meta-row { display: flex; gap: var(--space-xs); flex-wrap: wrap; }
.vendor-info-card {
  padding: var(--space-lg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 2px 16px -8px rgba(0, 0, 0, 0.06);
}
.vendor-info-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border);
}
.vendor-info-row:last-of-type { border-bottom: none; }
.vendor-info-label {
  font-size: 0.75rem; font-weight: 500; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
  flex-shrink: 0;
}
.vendor-info-value {
  font-size: 0.875rem; font-weight: 500;
  text-align: right; min-width: 0; word-break: break-word;
}
.vendor-info-link { color: var(--brand); }
.vendor-info-link:hover { text-decoration: underline; }
/* Stack label above value when content is long (e.g. pricing) */
.vendor-info-row-stack {
  flex-direction: column; align-items: flex-start; gap: 4px;
}
.vendor-info-row-stack .vendor-info-value { text-align: left; }
.vendor-info-card .btn { margin-top: var(--space-md); }

.vendor-body h2 { margin-top: var(--space-xl); margin-bottom: var(--space-md); }
.vendor-body h3 { margin-top: var(--space-lg); margin-bottom: var(--space-sm); }
.vendor-body p { margin-bottom: var(--space-md); }
.vendor-body ul, .vendor-body ol {
  margin-bottom: var(--space-md); padding-left: var(--space-lg);
}
.vendor-body li { margin-bottom: var(--space-sm); color: var(--text-secondary); list-style: disc; }
.vendor-body ol li { list-style: decimal; }

/* ── Article Page ─────────────────────────────────── */
.article { padding: var(--space-xl) 0; }
.article-header { margin-bottom: var(--space-xl); }
.article-meta {
  display: flex; gap: var(--space-md); align-items: center;
  margin-bottom: var(--space-md);
}
.article-meta time { font-size: 0.8125rem; color: var(--text-muted); }
.article-tags { display: flex; gap: var(--space-xs); }
.article-title { margin-bottom: var(--space-md); }
.article-desc { font-size: 1.125rem; color: var(--text-secondary); }

.article-body h2 { margin-top: var(--space-xl); margin-bottom: var(--space-md); font-size: 1.5rem; }
.article-body h3 { margin-top: var(--space-lg); margin-bottom: var(--space-sm); font-size: 1.25rem; }
.article-body p { margin-bottom: var(--space-md); }
.article-body ul, .article-body ol {
  margin-bottom: var(--space-md); padding-left: var(--space-lg);
}
.article-body li { margin-bottom: var(--space-sm); color: var(--text-secondary); list-style: disc; }
.article-body ol li { list-style: decimal; }
.article-body blockquote {
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  border-left: 3px solid var(--border);
  color: var(--text-secondary); font-style: italic;
}
.article-body code {
  font-size: 0.875em; padding: 2px 6px;
  background: var(--bg-alt); border-radius: 4px;
}
.article-body pre {
  margin-bottom: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-alt);
  border-radius: var(--radius);
  overflow-x: auto;
}
.article-body pre code { padding: 0; background: none; }
.article-body a { text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--text); }

.article-footer {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

/* ── Ad Slots ─────────────────────────────────────── */
.ad-section { padding: var(--space-lg) 0; }
.ad-slot {
  padding: var(--space-md) var(--space-lg);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  text-align: center;
  min-height: 60px;
  display: flex; align-items: center; justify-content: center;
}
.ad-label {
  font-size: 0.6875rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--text-muted);
}

/* Sponsor card — replaces the old empty "Sponsor" slot */
.sponsor-card {
  position: relative;
  display: block;
  padding: var(--space-lg);
  background: linear-gradient(135deg, #fff 0%, var(--brand-soft) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.18s ease;
}
.sponsor-card:hover {
  border-color: var(--brand);
  box-shadow: 0 12px 32px -16px rgba(79, 70, 229, 0.35);
  transform: translateY(-2px);
}
.sponsor-tag {
  position: absolute; top: 12px; right: 14px;
  font-size: 0.625rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--text-muted);
}
.sponsor-body {
  display: flex; align-items: center; gap: var(--space-md);
}
.sponsor-logo {
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.sponsor-logo img { width: 100%; height: 100%; object-fit: contain; padding: 8px; }
.sponsor-text { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.sponsor-text strong { font-size: 1rem; font-weight: 600; color: var(--text); }
.sponsor-text span { font-size: 0.875rem; color: var(--text-secondary); }
.sponsor-cta {
  flex-shrink: 0;
  font-size: 0.875rem; font-weight: 600;
  color: var(--brand);
}
/* Hero variant — more prominent, like a real ad */
.sponsor-card-hero {
  padding: var(--space-xl);
  background:
    radial-gradient(ellipse 500px 200px at 0% 100%, rgba(79, 70, 229, 0.08), transparent 70%),
    linear-gradient(135deg, #fff 0%, var(--brand-soft) 100%);
  border: 1px solid rgba(79, 70, 229, 0.18);
  box-shadow: 0 4px 20px -10px rgba(79, 70, 229, 0.15);
}
.sponsor-card-hero .sponsor-logo { width: 72px; height: 72px; border-radius: 14px; }
.sponsor-card-hero .sponsor-text strong { font-size: 1.125rem; }
.sponsor-card-hero .sponsor-cta {
  padding: 10px 20px;
  background: var(--brand);
  color: #fff;
  border-radius: var(--radius);
}
@media (max-width: 600px) {
  .sponsor-body { flex-wrap: wrap; }
  .sponsor-cta { width: 100%; margin-top: var(--space-sm); }
}

/* ── CTA Box ──────────────────────────────────────── */
.cta-box {
  text-align: center;
  padding: var(--space-xl);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.cta-box h2 { margin-bottom: var(--space-sm); }
.cta-box p { margin-bottom: var(--space-lg); }
.cta-box-gradient {
  background:
    radial-gradient(ellipse 600px 300px at 50% 0%, rgba(79, 70, 229, 0.10), transparent 70%),
    linear-gradient(180deg, #fff 0%, var(--brand-soft) 100%);
  border-color: rgba(79, 70, 229, 0.2);
  padding: var(--space-2xl) var(--space-xl);
}
.cta-eyebrow {
  display: inline-block;
  margin-bottom: var(--space-sm);
  font-size: 0.6875rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--brand);
}

/* ── Empty State ──────────────────────────────────── */
.empty-state { font-size: 0.875rem; color: var(--text-muted); }

/* ── Footer ───────────────────────────────────────── */
.footer {
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--border);
  margin-top: var(--space-xl);
}
.footer-inner {
  display: flex; flex-wrap: wrap;
  align-items: baseline; gap: var(--space-lg);
}
.footer-tagline { font-size: 0.8125rem; color: var(--text-muted); margin-top: var(--space-xs); }
.footer-links { display: flex; gap: var(--space-lg); }
.footer-links a { font-size: 0.875rem; color: var(--text-secondary); transition: color 0.15s; }
.footer-links a:hover { color: var(--text); }
.footer-social { display: flex; gap: var(--space-md); }
.footer-social a {
  font-size: 0.8125rem; font-weight: 500; color: var(--text-muted);
  transition: color 0.15s;
}
.footer-social a:hover { color: var(--text); }
.footer-copy { font-size: 0.75rem; color: var(--text-muted); margin-left: auto; }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 768px) {
  .nav { display: none; }
  .nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 56px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: var(--space-md) var(--space-lg);
    gap: var(--space-md);
  }
  .nav-toggle { display: block; }

  .hero { padding: var(--space-xl) 0; }
  .hero-actions { flex-direction: column; align-items: center; }

  .card-grid { grid-template-columns: 1fr; }
  .vendor-grid { grid-template-columns: 1fr; }
  .vendor-hero-inner { grid-template-columns: 1fr; }
  .vendor-hero-heading { flex-direction: row; align-items: center; }
  .vendor-badges { grid-template-columns: repeat(2, 1fr); }

  .section-header { flex-direction: column; gap: var(--space-sm); }
  .footer-inner { flex-direction: column; }
  .footer-copy { margin-left: 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-md); }
  h1 { font-size: 1.75rem; }
}