/* ── FONTS ─────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=DM+Mono:wght@400;500&family=Geist:wght@300;400;500;600&display=swap');

/* ── PREVIEW TOKENS (layer on top of Sprout) ───────────────── */
:root {
  --preview-font-display: 'Instrument Serif', Georgia, serif;
  --preview-font-body: 'Geist', system-ui, sans-serif;
  --preview-font-mono: 'DM Mono', monospace;
  --preview-green: #4a7c59;
  --preview-green-glow: rgba(74, 124, 89, 0.15);
  --preview-grid: rgba(74, 124, 89, 0.06);
  --preview-radius: 12px;
  --preview-section-gap: clamp(4rem, 8vw, 7rem);
}

/* ── BASE OVERRIDES ─────────────────────────────────────────── */
body {
  font-family: var(--preview-font-body);
  overflow-x: hidden;
}

/* ── NAVBAR ─────────────────────────────────────────────────── */
.sp-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sp-border);
  background: rgba(var(--sp-bg-rgb, 13, 15, 13), 0.85);
}

.sp-brand {
  font-family: var(--preview-font-display);
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--sp-text);
}

.brand-leaf {
  color: var(--preview-green);
  font-size: 1rem;
}

.sp-navbar nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-5);
  height: 60px;
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.sp-nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--sp-5);
  flex: 1;
}

.sp-nav-links a {
  text-decoration: none;
  color: var(--sp-text-2);
  font-size: 0.9rem;
  transition: color 150ms ease;
}

.sp-nav-links a:hover { color: var(--sp-text); }

.sp-nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-left: auto;
}

.sp-nav-toggle {
  display: none;
  margin-left: auto;
  font-size: 1.25rem;
  cursor: pointer;
}

/* ── HERO ───────────────────────────────────────────────────── */
.hero-section {
  position: relative;
  padding: clamp(5rem, 12vw, 9rem) 0 clamp(4rem, 8vw, 7rem);
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--preview-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--preview-grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
  pointer-events: none;
}

.hero-section .container {
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.hero-eyebrow {
  display: flex;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
}

.hero-title {
  font-family: var(--preview-font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 400;
  margin: 0 0 var(--sp-5);
  color: var(--sp-text);
}

.hero-accent {
  color: var(--preview-green);
  font-style: italic;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--sp-text-2);
  line-height: 1.65;
  max-width: 600px;
  margin: 0 0 var(--sp-7);
}

.hero-actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-bottom: var(--sp-10);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  flex-wrap: wrap;
}

.stat-pill {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-num {
  font-family: var(--preview-font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--preview-green);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--sp-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--sp-border);
}

/* ── SECTIONS ───────────────────────────────────────────────── */
.section {
  padding: var(--preview-section-gap) 0;
}

.section-alt {
  background: var(--sp-surface);
  border-top: 1px solid var(--sp-border);
  border-bottom: 1px solid var(--sp-border);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

.section-header {
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-header h2 {
  font-family: var(--preview-font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  margin: 0 0 var(--sp-3);
  color: var(--sp-text);
}

.section-header p {
  font-size: 1.05rem;
  color: var(--sp-text-2);
  margin: 0;
}

/* ── AUDIT GRID ─────────────────────────────────────────────── */
.audit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
}

.audit-card {
  background: var(--sp-surface);
  border: 1px solid var(--sp-border);
  border-radius: var(--preview-radius);
  padding: var(--sp-5);
  transition: border-color 200ms ease, box-shadow 200ms ease;
  position: relative;
  overflow: hidden;
}

.audit-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, var(--preview-green-glow), transparent 70%);
  opacity: 0;
  transition: opacity 300ms ease;
}

.audit-card:hover::before { opacity: 1; }
.audit-card:hover { border-color: var(--preview-green); }

.audit-icon {
  font-size: 1.5rem;
  margin-bottom: var(--sp-2);
}

.audit-value {
  font-family: var(--preview-font-mono);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--sp-text);
  line-height: 1;
  margin-bottom: var(--sp-1);
  transition: color 300ms ease;
}

.audit-card.good .audit-value { color: var(--sp-success, #2e6644); }
.audit-card.ok .audit-value   { color: var(--sp-warning, #7a5c1e); }
.audit-card.bad .audit-value  { color: var(--sp-danger, #8b3a3a); }

.audit-label {
  font-size: 0.8rem;
  color: var(--sp-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-2);
}

.audit-compare {
  font-size: 0.78rem;
  color: var(--sp-text-2);
  line-height: 1.4;
}

/* Grade card */
.audit-grade-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--sp-surface-2, var(--sp-surface));
}

.audit-grade-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sp-text-muted);
  margin-bottom: var(--sp-2);
}

.audit-grade {
  font-family: var(--preview-font-display);
  font-size: 4rem;
  font-weight: 400;
  line-height: 1;
  color: var(--preview-green);
  margin-bottom: var(--sp-2);
}

.audit-grade-sub {
  font-size: 0.8rem;
  color: var(--sp-text-2);
  line-height: 1.4;
}

.audit-footer {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.audit-time {
  font-size: 0.8rem;
  color: var(--sp-text-muted);
}

.audit-methodology {
  font-size: 0.75rem;
  color: var(--sp-text-muted);
  line-height: 1.5;
  flex: 1;
  text-align: right;
}

.audit-methodology a {
  color: var(--preview-green);
}

/* ── COMPONENT GRID ─────────────────────────────────────────── */
.component-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--sp-5);
}

.component-card {
  background: var(--sp-bg);
  border: 1px solid var(--sp-border);
  border-radius: var(--preview-radius);
  overflow: hidden;
  transition: border-color 200ms ease;
}

.component-card:hover {
  border-color: var(--sp-border-2, var(--preview-green));
}

.component-card-label {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--sp-border);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sp-text-muted);
  background: var(--sp-surface);
  font-family: var(--preview-font-mono);
}

.component-card-demo {
  padding: var(--sp-5);
}

/* ── INSTALL ────────────────────────────────────────────────── */
.install-tabs-wrap {
  margin-bottom: var(--sp-8);
}

.install-panel {
  padding: var(--sp-5) 0 0;
}

.install-desc {
  color: var(--sp-text-2);
  margin-bottom: var(--sp-4);
}

.quick-usage h3 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: var(--sp-3);
  color: var(--sp-text-2);
}

/* ── FOOTER ─────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--sp-border);
  padding: var(--sp-10) 0 var(--sp-8);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-6);
  margin-bottom: var(--sp-6);
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--sp-text-muted);
  margin: 0;
}

.footer-links {
  display: flex;
  gap: var(--sp-5);
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--sp-text-2);
  text-decoration: none;
  transition: color 150ms ease;
}

.footer-links a:hover { color: var(--sp-text); }

.footer-meta {
  font-size: 0.78rem;
  color: var(--sp-text-muted);
  margin: 0;
}

/* ── ENTRANCE ANIMATIONS ────────────────────────────────────── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow  { animation: fade-up 0.5s ease both; }
.hero-title    { animation: fade-up 0.5s ease 0.1s both; }
.hero-sub      { animation: fade-up 0.5s ease 0.2s both; }
.hero-actions  { animation: fade-up 0.5s ease 0.3s both; }
.hero-stats    { animation: fade-up 0.5s ease 0.4s both; }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sp-nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--sp-bg);
    border-bottom: 1px solid var(--sp-border);
    flex-direction: column;
    padding: var(--sp-4) var(--sp-5);
    gap: var(--sp-4);
  }

  .sp-nav-links.open { display: flex; }

  .sp-nav-toggle { display: flex; }

  .sp-nav-actions {
    gap: var(--sp-2);
  }

  .sp-navbar nav {
    position: relative;
  }

  .stat-divider { display: none; }

  .hero-stats {
    gap: var(--sp-5);
  }

  .audit-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .component-grid {
    grid-template-columns: 1fr;
  }

  .audit-methodology {
    text-align: left;
    flex-basis: 100%;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions a {
    text-align: center;
  }

  .audit-grid {
    grid-template-columns: 1fr;
  }

  .audit-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .install-panel .cluster {
    flex-direction: column;
  }
}

/* ── LIGHT THEME TWEAKS ─────────────────────────────────────── */
[data-theme="light"] .sp-navbar {
  background: rgba(255, 255, 255, 0.85);
}

[data-theme="light"] .hero-grid-bg {
  --preview-grid: rgba(74, 124, 89, 0.08);
}

/* ── INSTALL PLAIN TABS ─────────────────────────────────────── */
.install-tab-bar {
  display: flex;
  border-bottom: 1px solid var(--sp-border);
  gap: 0;
  margin-bottom: 0;
}

.install-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: var(--sp-2) var(--sp-5);
  margin-bottom: -1px;
  font-size: 0.875rem;
  color: var(--sp-text-2);
  cursor: pointer;
  font-family: var(--preview-font-body);
  transition: color 150ms ease, border-color 150ms ease;
  border-radius: 0;
  box-shadow: none;
}

.install-tab:hover {
  color: var(--sp-text);
}

.install-tab.active {
  color: var(--preview-green);
  border-bottom-color: var(--preview-green);
}

.install-panel {
  padding: var(--sp-5) 0 0;
}