/* ── Reset & Base ───────────────────────────────────────── */

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

:root {
  --bg:          #0d1117;
  --bg-surface:  #161b22;
  --bg-card:     #1c2128;
  --border:      #30363d;
  --text:        #e6edf3;
  --text-muted:  #8b949e;
  --accent:      #58a6ff;
  --accent-glow: rgba(88, 166, 255, .15);
  --red:         #f85149;
  --green:       #3fb950;
  --purple:      #bc8cff;
  --gradient:    linear-gradient(135deg, #0d1117 0%, #161b22 100%);
  --hero-gradient: linear-gradient(160deg, #0d1117 0%, #111922 40%, #0f1923 100%);
  --max-width:   1120px;
  --radius:      10px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: #79c0ff; }

img { max-width: 100%; height: auto; }

/* ── Navigation ─────────────────────────────────────────── */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, .85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
}

.nav-logo img { border-radius: 6px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .15s;
}

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

.nav-github { display: flex; align-items: center; }
.nav-github svg { color: var(--text-muted); transition: color .15s; }
.nav-github:hover svg { color: var(--text); }

/* ── Hero ───────────────────────────────────────────────── */

.hero {
  background: url('../img/background.jpg') center center / cover no-repeat fixed;
  position: relative;
  overflow: hidden;
  padding: 6rem 2rem 5rem;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.6) 50%, rgba(13,17,23,.95) 100%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.hero-logo {
  width: 140px;
  height: 140px;
  border-radius: 24px;
  margin-bottom: 2rem;
  box-shadow: 0 0 60px rgba(88, 166, 255, .12), 0 0 120px rgba(88, 166, 255, .05);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: .5rem;
  background: linear-gradient(135deg, #e6edf3 0%, #8b949e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #e6edf3 0%, #58a6ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 600;
  transition: all .2s;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #0d1117;
}

.btn-primary:hover {
  background: #79c0ff;
  color: #0d1117;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(88, 166, 255, .25);
}

.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* ── Install banner ─────────────────────────────────────── */

.install-banner {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 700px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.install-banner code {
  flex: 1;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: .85rem;
  color: var(--green);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.install-banner .label {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  flex-shrink: 0;
}

.copy-btn {
  flex-shrink: 0;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color .15s, border-color .15s;
}

.copy-btn:hover { color: var(--text); border-color: var(--text-muted); }

.copy-btn .check-icon { display: none; }
.copy-btn.copied .copy-icon { display: none; }
.copy-btn.copied .check-icon { display: block; }
.copy-btn.copied { color: var(--green); border-color: var(--green); }

/* ── Feature pillars (home) ─────────────────────────────── */

.pillars {
  padding: 5rem 2rem;
  background: url('../img/background.jpg') center center / cover no-repeat fixed;
  position: relative;
}

.pillars::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(13, 17, 23, .85);
  pointer-events: none;
}

.pillars-inner { position: relative; z-index: 1; }

.pillars-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.pillars-heading {
  text-align: center;
  margin-bottom: 3.5rem;
}

.pillars-heading h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: .5rem;
}

.pillars-heading p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pillar {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color .2s, transform .2s;
}

.pillar:hover {
  border-color: var(--border);
}

.pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.pillar h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: .5rem;
}

.pillar p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── What Is Astro ─────────────────────────────────────── */

.what-is-astro {
  padding: 4rem 2rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.what-is-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.what-is-inner h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.what-is-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

.what-is-lead strong { color: var(--accent); }

.what-is-points {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.what-is-point {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
}

.what-is-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform .2s, box-shadow .2s;
}

.what-is-point:hover .what-is-icon { transform: scale(1.12); }

.wia-amber {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #fff;
  box-shadow: 0 0 20px rgba(245, 158, 11, .35);
}

.wia-purple {
  background: linear-gradient(135deg, #a78bfa, #8b5cf6);
  color: #fff;
  box-shadow: 0 0 20px rgba(139, 92, 246, .35);
}

.wia-green {
  background: linear-gradient(135deg, #34d399, #10b981);
  color: #fff;
  box-shadow: 0 0 20px rgba(16, 185, 129, .35);
}

/* ── Screenshots gallery ───────────────────────────────── */

.screenshots-section {
  padding: 5rem 0 4.5rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.screenshots-heading {
  text-align: center;
  margin-bottom: 2.5rem;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.screenshots-arrow {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: color .15s, border-color .15s, background .15s;
}

.screenshots-arrow:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--accent-glow);
}

.screenshots-heading h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: .5rem;
}

.screenshots-heading p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.screenshots-track {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 0 2rem 1.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.screenshots-track::-webkit-scrollbar { height: 6px; }
.screenshots-track::-webkit-scrollbar-track { background: transparent; }
.screenshots-track::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.screenshots-track::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

.screenshot-card {
  flex: 0 0 auto;
  width: min(80vw, 720px);
  scroll-snap-align: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .2s;
}

.screenshot-card:hover { border-color: var(--accent); }

.screenshot-card img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  object-position: top;
  display: block;
}

.screenshot-card { display: flex; flex-direction: column; }

.screenshot-card img { flex: 1 1 auto; }

.screenshot-card figcaption {
  padding: .75rem 1.25rem;
  font-size: .9rem;
  color: var(--text-muted);
  text-align: center;
  background: #000;
  flex-shrink: 0;
}

.screenshot-card { cursor: pointer; }

/* ── Lightbox ──────────────────────────────────────────── */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, .88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s, visibility .25s;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  transition: color .15s;
}

.lightbox-close:hover { color: var(--text); }

.lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0, 0, 0, .5);
}

.lightbox-caption {
  margin-top: 1rem;
  font-size: 1rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 640px;
}

/* ── Highlight section ──────────────────────────────────── */

.highlight-section {
  padding: 5rem 2rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.highlight-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.highlight-text h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.highlight-text p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.highlight-code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow-x: auto;
}

.highlight-code pre {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: .85rem;
  line-height: 1.8;
  color: var(--text);
}

.highlight-code .comment { color: var(--text-muted); }
.highlight-code .command { color: var(--green); }
.highlight-code .flag { color: var(--purple); }

/* ── Org features (highlight right column) ─────────────── */

.org-features {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.org-feature {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: border-color .2s;
}

.org-feature:hover { border-color: var(--accent); }

.org-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.org-feature strong {
  font-size: .95rem;
  display: block;
  margin-bottom: .2rem;
}

.org-feature p {
  font-size: .85rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ── Agents section ────────────────────────────────────── */

.agents-section {
  padding: 4.5rem 2rem;
  background: var(--bg);
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.agents-inner {
  max-width: 680px;
  margin: 0 auto;
}

.agents-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin: 0 auto 1.5rem;
}

.agents-section h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.agents-section p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

/* ── CTA banner ─────────────────────────────────────────── */

.cta-section {
  padding: 5rem 2rem;
  text-align: center;
  background: var(--bg);
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: .75rem;
}

.cta-section p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

/* ── Page header (subpages) ─────────────────────────────── */

.page-header {
  background: var(--hero-gradient);
  padding: 4rem 2rem 3rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.page-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-top: .5rem;
}

/* ── Page content ───────────────────────────────────────── */

.page-content {
  padding: 3rem 2rem 5rem;
}

.page-inner {
  max-width: 860px;
  margin: 0 auto;
}

.page-inner h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--border);
}

.page-inner h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: .75rem;
  color: var(--accent);
}

.page-inner p {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.page-inner ul, .page-inner ol {
  color: var(--text-muted);
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  line-height: 1.75;
}

.page-inner li { margin-bottom: .35rem; }

.page-inner code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: .85em;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--green);
}

.page-inner pre {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  line-height: 1.7;
}

.page-inner pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: .85rem;
  color: var(--text);
}

.page-inner strong { color: var(--text); }

.page-inner blockquote {
  border-left: 3px solid var(--accent);
  padding: .75rem 1.25rem;
  margin-bottom: 1.5rem;
  background: var(--accent-glow);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-inner blockquote p { color: var(--text); margin-bottom: 0; }

/* ── Feature cards (features page) ──────────────────────── */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color .2s;
}

.feature-card:hover { border-color: var(--accent); }

.feature-card h3 {
  margin-top: 0;
  margin-bottom: .5rem;
  padding-bottom: 0;
  border-bottom: none;
}

.feature-card p {
  font-size: .9rem;
  margin-bottom: 0;
}

/* ── Footer ─────────────────────────────────────────────── */

.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: .5rem;
}

.footer-brand img { border-radius: 6px; }

.footer-tagline {
  color: var(--text-muted);
  font-size: .9rem;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.footer-links a {
  font-size: .9rem;
  color: var(--text-muted);
}

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

.footer-copy {
  font-size: .8rem;
  color: var(--text-muted);
  opacity: .6;
}

/* ── Responsive ─────────────────────────────────────────── */

@media (max-width: 768px) {
  .hero, .pillars { background-attachment: scroll; }
  .hero { padding: 4rem 1.5rem 3rem; }
  .hero h1 { font-size: 2.2rem; }
  .hero-tagline { font-size: 1.8rem; }
  .hero-description { font-size: 1rem; }
  .hero-logo { width: 100px; height: 100px; }

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

  .highlight-inner { grid-template-columns: 1fr; gap: 2rem; }

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

  .nav-inner { padding: 0 1rem; }
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: .8rem; }

  .what-is-points { flex-direction: column; align-items: center; gap: 1rem; }

  .page-header h1 { font-size: 1.8rem; }
  .install-banner { flex-direction: column; text-align: center; padding: 1rem; }
  .install-banner code { white-space: normal; word-break: break-all; font-size: .75rem; }
}