/* ===================================================
   CoverageAnalyst for dbt – GitHub Pages Stylesheet
   =================================================== */

:root {
  --snow-blue:    #29B5E8;
  --snow-dark:    #11567F;
  --snow-deeper:  #0A3B5C;
  --dbt-orange:   #FF694B;
  --accent:       #00C7C7;
  --text-primary: #0F172A;
  --text-muted:   #64748B;
  --bg-alt:       #F8FAFC;
  --border:       #E2E8F0;
  --code-bg:      #0F172A;
  --code-text:    #E2E8F0;
  --radius:       12px;
  --radius-sm:    8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  background: #fff;
  line-height: 1.6;
}

/* ── Layout ── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-primary {
  background: var(--snow-blue);
  color: #fff;
}
.btn-primary:hover { background: var(--snow-dark); }
.btn-outline {
  border-color: var(--snow-blue);
  color: var(--snow-blue);
}
.btn-outline:hover { background: var(--snow-blue); color: #fff; }
.btn-white {
  background: #fff;
  color: var(--snow-dark);
}
.btn-white:hover { background: #E0F3FC; }
.btn-outline-white {
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}
.btn-outline-white:hover { background: rgba(255,255,255,0.15); }

/* Disabled / coming-soon buttons */
.btn-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
  position: relative;
}
.btn-disabled::after {
  content: '';
}

/* ── Header ── */
.site-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: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--snow-dark);
  text-decoration: none;
}
.logo-icon { font-size: 1.4rem; }
.logo-svg  { width: 32px; height: 32px; flex-shrink: 0; }
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s;
}
.nav a:hover { color: var(--snow-blue); }

/* Language toggle */
.lang-toggle {
  padding: 6px 14px;
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  font-family: 'Inter', sans-serif;
}
.lang-toggle:hover {
  border-color: var(--snow-blue);
  color: var(--snow-blue);
}

/* ── Hero ── */
.hero {
  background: linear-gradient(160deg, var(--snow-deeper) 0%, var(--snow-dark) 50%, #1a6fa8 100%);
  color: #fff;
  padding: 96px 0 72px;
  overflow: hidden;
}
.hero-inner { display: flex; flex-direction: column; align-items: center; text-align: center; }
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.9);
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: #fff;
}
.gradient-text {
  background: linear-gradient(90deg, var(--snow-blue), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 56px;
}
.hero-code {
  width: 100%;
  max-width: 720px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 32px 64px rgba(0,0,0,0.4);
  text-align: left;
}

/* ── Code Blocks ── */
.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #1E293B;
  padding: 10px 16px;
}
.code-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.code-dot.red    { background: #FF5F57; }
.code-dot.yellow { background: #FFBD2E; }
.code-dot.green  { background: #28C840; }
.code-filename {
  color: #94A3B8;
  font-size: 0.82rem;
  font-family: 'JetBrains Mono', monospace;
  margin-left: 4px;
}
.code-block {
  background: var(--code-bg);
  color: var(--code-text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  padding: 20px 24px;
  overflow-x: auto;
  white-space: pre;
}
.code-block-sm {
  background: var(--code-bg);
  color: var(--code-text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  line-height: 1.7;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  white-space: pre;
  margin-top: 12px;
}

/* Syntax colors */
.c    { color: #64748B; }
.ok   { color: #4ADE80; font-weight: 600; }
.warn { color: #FB923C; font-weight: 600; }
.num  { color: #38BDF8; }
.str  { color: #86EFAC; }
.f    { color: #C084FC; }
.kw   { color: #7DD3FC; }
.op   { color: #FB923C; }
.covered   { color: #4ADE80; font-style: italic; }
.uncovered { color: #FB923C; font-style: italic; }

/* ── Sections ── */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-label {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--snow-blue);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 48px;
}

/* ── Coverage Example ── */
.coverage-example {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 32px;
  align-items: start;
  margin-top: 48px;
}
.coverage-sql { border-radius: var(--radius); overflow: hidden; box-shadow: 0 4px 24px rgba(0,0,0,0.1); }
.coverage-stats { display: flex; flex-direction: column; gap: 16px; }
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.stat-card-warn { border-color: #FED7AA; background: #FFF7ED; }
.stat-value { font-size: 2.5rem; font-weight: 800; color: var(--snow-dark); }
.stat-card-warn .stat-value { color: #C2410C; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }
.coverage-note {
  font-size: 0.88rem;
  color: var(--text-muted);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  line-height: 1.6;
}

/* ── Features Grid ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.feature-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }
.feature-card code {
  background: var(--bg-alt);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
}

/* ── Steps ── */
.steps { display: flex; flex-direction: column; gap: 40px; margin-top: 56px; }
.step { display: grid; grid-template-columns: 80px 1fr; gap: 24px; align-items: start; }
.step-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--snow-blue);
  opacity: 0.3;
  line-height: 1;
}
.step-content h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.step-content p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 0; }
.step-content code {
  background: #E0F3FC;
  color: var(--snow-dark);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
}

/* ── CI/CD ── */
.cicd-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
  margin-top: 48px;
}
.tab-bar {
  display: flex;
  gap: 2px;
  background: #1E293B;
  padding: 8px 8px 0;
  border-radius: var(--radius) var(--radius) 0 0;
}
.tab {
  padding: 8px 16px;
  background: transparent;
  border: none;
  color: #64748B;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
  transition: all 0.15s;
  font-family: 'Inter', sans-serif;
}
.tab.active { background: var(--code-bg); color: #E2E8F0; }
.tab-content { display: none; }
.tab-content.active { display: block; }
.tab-content .code-block { border-radius: 0 0 var(--radius) var(--radius); }
.check-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.check-list li { font-size: 0.95rem; color: var(--text-muted); }
.check-list li code {
  background: var(--bg-alt);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
}

/* ── API Cards ── */
.api-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.api-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.api-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.api-name code {
  background: #E0F3FC;
  color: var(--snow-dark);
  padding: 3px 10px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
}
.api-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* ── CTA ── */
.cta-section {
  background: linear-gradient(135deg, var(--snow-dark) 0%, var(--snow-deeper) 100%);
  color: #fff;
}
.cta-inner { text-align: center; }
.cta-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.cta-note {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
}

/* ── Footer ── */
.footer {
  background: var(--text-primary);
  color: rgba(255,255,255,0.5);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 600;
}
.footer-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-nav a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s;
}
.footer-nav a:hover { color: #fff; }
.footer-copy { font-size: 0.82rem; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav a:not(.btn) { display: none; }
  .coverage-example { grid-template-columns: 1fr; }
  .cicd-grid { grid-template-columns: 1fr; }
  .step { grid-template-columns: 48px 1fr; }
  .step-number { font-size: 2rem; }
  .hero-actions { flex-direction: column; align-items: center; }
}