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

:root {
  --bg:           #0b0d14;
  --surface:      #13151f;
  --surface2:     #1a1d2e;
  --border:       rgba(255,255,255,0.06);
  --border2:      rgba(255,255,255,0.1);
  --text:         #e2e8f0;
  --text-muted:   #4a5568;
  --text-sub:     #718096;
  --blue:         #3B82F6;
  --blue-dark:    #2563eb;
  --radius:       12px;
  --font:         -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

code {
  font-family: "SF Mono", "Fira Code", Consolas, monospace;
  font-size: 0.85em;
  background: rgba(255,255,255,0.07);
  padding: 1px 6px;
  border-radius: 4px;
  color: #93c5fd;
}

kbd {
  font-family: "SF Mono", "Fira Code", Consolas, monospace;
  font-size: 0.8em;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 4px;
  padding: 1px 7px;
  color: var(--text);
}

/* ── Nav ────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 56px;
  background: rgba(11,13,20,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav-logo-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 13px;
  color: var(--text-sub);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }

.nav-github {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-sub);
  border: 1px solid var(--border2);
  padding: 5px 12px;
  border-radius: 8px;
  transition: color 0.15s, border-color 0.15s;
}
.nav-github:hover { color: var(--text); border-color: rgba(255,255,255,0.18); }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 22px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover { background: var(--blue-dark); }

.btn-ghost {
  background: transparent;
  color: var(--text-sub);
  border: 1px solid var(--border2);
}
.btn-ghost:hover { color: var(--text); border-color: rgba(255,255,255,0.18); }

.btn-disabled {
  background: var(--surface2);
  color: var(--text-muted);
  cursor: not-allowed;
  pointer-events: none;
  border: 1px solid var(--border);
}

/* ── Section labels & headings ──────────────────────────────── */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}

h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 40px;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 40px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 60px;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-glow-blue {
  width: 600px; height: 400px;
  background: rgba(59,130,246,0.07);
  top: -60px; left: 10%;
}
.hero-glow-purple {
  width: 500px; height: 350px;
  background: rgba(139,92,246,0.06);
  top: -40px; right: 5%;
}

.hero-content {
  position: relative;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(59,130,246,0.12);
  color: #93c5fd;
  border: 1px solid rgba(59,130,246,0.25);
  padding: 4px 12px;
  border-radius: 100px;
}

h1 {
  font-size: clamp(36px, 6vw, 58px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--text);
}

.hero-accent {
  background: linear-gradient(135deg, var(--blue) 0%, #8B5CF6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-sub);
  max-width: 520px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-screenshot {
  position: relative;
  width: 100%;
  max-width: 900px;
}

.hero-screenshot::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius) + 2px);
  background: linear-gradient(135deg, rgba(59,130,246,0.3), rgba(139,92,246,0.2));
  z-index: -1;
}

.hero-screenshot img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  display: block;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04);
}

/* ── Features ───────────────────────────────────────────────── */
.features {
  padding: 100px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  border-color: rgba(var(--accent, 59,130,246), 0.2);
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.65;
}

/* ── Screenshots ────────────────────────────────────────────── */
.screenshots {
  padding: 0 40px 100px;
  max-width: 1100px;
  margin: 0 auto;
}

.screenshots-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  align-items: start;
}

.screenshots-grid img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  display: block;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

/* ── Install ────────────────────────────────────────────────── */
.install {
  padding: 0 40px 100px;
  max-width: 1100px;
  margin: 0 auto;
}

.install-grid {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.install-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.install-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  min-width: 200px;
}

.install-sub {
  font-size: 13px;
  color: var(--text-muted);
}

.install-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  padding: 0 16px;
}
.install-divider span {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--surface);
  padding: 6px 0;
  position: relative;
}
.install-divider::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--border2);
}

.install-steps {
  flex: 1;
}

.install-steps ol {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.install-steps li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.step-num {
  width: 26px;
  height: 26px;
  min-width: 26px;
  border-radius: 50%;
  background: rgba(59,130,246,0.12);
  color: #93c5fd;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.install-steps li > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.install-steps strong {
  font-size: 14px;
  font-weight: 600;
}

.install-steps span, .install-steps em {
  font-size: 13px;
  color: var(--text-sub);
}

.code-block {
  display: block;
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 12px;
  color: #93c5fd;
  margin-top: 2px;
  width: fit-content;
}

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 40px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
}

.footer-logo {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-meta {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-meta a { color: var(--text-sub); border-bottom: 1px solid var(--border2); }
.footer-meta a:hover { color: var(--text); }

.footer-gh {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-sub);
  transition: color 0.15s;
}
.footer-gh:hover { color: var(--text); }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links a:not(.nav-github) { display: none; }

  .hero { padding: 72px 20px 60px; gap: 40px; }

  .features,
  .screenshots,
  .install { padding-left: 20px; padding-right: 20px; }

  .screenshots-grid { grid-template-columns: 1fr; }
  .ss-secondary { display: none; }

  .install-grid {
    flex-direction: column;
    padding: 28px 20px;
    gap: 24px;
  }
  .install-divider { flex-direction: row; align-self: auto; padding: 0; }
  .install-divider::before { display: none; }

  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}