/* ============================================
   Lore - Landing Page
   ============================================ */

:root {
  --bg-primary: #0a0e14;
  --bg-secondary: #12171f;
  --bg-card: #151b24;
  --bg-tertiary: #1a2230;
  --border: #252d3a;
  --border-hover: #3a4555;
  --text-primary: #e2e8f0;
  --text-secondary: #8893a7;
  --text-muted: #5a6577;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --accent-subtle: rgba(88, 166, 255, 0.08);
  --green: #3fb950;
  --green-subtle: rgba(63, 185, 80, 0.08);
  --purple: #bc8cff;
  --purple-subtle: rgba(188, 140, 255, 0.08);
  --orange: #f0883e;
  --orange-subtle: rgba(240, 136, 62, 0.08);
  --cyan: #39d2c0;
  --cyan-subtle: rgba(57, 210, 192, 0.08);
  --pink: #f778ba;
  --pink-subtle: rgba(247, 120, 186, 0.08);
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', 'Consolas', monospace;
  --max-width: 920px;
  --radius: 10px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

/* ---- Nav ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10, 14, 20, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between; height: 56px;
}

.nav-logo {
  font-family: var(--font-mono); font-size: 1.15rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }

.nav-links { display: flex; gap: 1.5rem; list-style: none; }
.nav-links a {
  color: var(--text-secondary); font-size: 0.875rem; font-weight: 500;
}
.nav-links a:hover { color: var(--text-primary); }

.nav-toggle {
  display: none; background: none; border: none; color: var(--text-secondary);
  cursor: pointer; padding: 0.5rem;
}

/* ---- Hero ---- */
.hero { padding: 9rem 0 5rem; text-align: center; }

.hero-badge {
  display: inline-block; font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--accent); background: var(--accent-subtle);
  border: 1px solid rgba(88, 166, 255, 0.15);
  padding: 0.3rem 0.9rem; border-radius: 999px;
  margin-bottom: 1.5rem; letter-spacing: 0.08em; text-transform: uppercase;
}

.hero h1 {
  font-size: 3.5rem; font-weight: 800; line-height: 1.08;
  letter-spacing: -0.035em; margin-bottom: 1.25rem;
}

.gradient {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem; color: var(--text-secondary);
  max-width: 580px; margin: 0 auto 2.5rem; line-height: 1.55;
}

.hero-install {
  display: inline-block; text-align: center;
  margin-bottom: 1.5rem; border-color: rgba(88, 166, 255, 0.2);
}
.hero-install code { color: var(--green); }

.hero-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; padding: 0.65rem 1.4rem;
  font-size: 0.9rem; font-weight: 600; border-radius: 8px;
  transition: all 0.2s;
}
.btn-primary { background: var(--accent); color: var(--bg-primary); }
.btn-primary:hover { background: var(--accent-hover); color: var(--bg-primary); }
.btn-secondary {
  background: transparent; color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--border-hover); color: var(--text-primary); }

/* ---- Sections ---- */
.section { padding: 5rem 0; border-top: 1px solid var(--border); }

.section-label {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2rem; font-weight: 700; letter-spacing: -0.025em; margin-bottom: 0.75rem;
}

.section-desc {
  color: var(--text-secondary); font-size: 1.05rem; max-width: 600px; margin-bottom: 2.5rem;
}

/* ---- Comparison ---- */
.comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }

.comparison-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
}
.comparison-card.highlight { border-color: var(--green); }
.comparison-card h4 {
  font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 0.75rem; font-weight: 600;
}
.comparison-card p { font-size: 0.95rem; color: var(--text-secondary); font-style: italic; }
.comparison-card.highlight p { color: var(--text-primary); }

/* ---- Screenshot ---- */
.screenshot-section { padding-top: 3rem; padding-bottom: 3rem; }

.screenshot-frame {
  border-radius: 12px; overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.screenshot-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

.screenshot-dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.screenshot-dot.red { background: #ff5f57; }
.screenshot-dot.yellow { background: #febc2e; }
.screenshot-dot.green { background: #28c840; }

.screenshot-title {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--text-muted); margin-left: 8px;
}

.screenshot-img {
  width: 100%; display: block;
}

.screenshot-caption {
  text-align: center; color: var(--text-muted);
  font-size: 0.85rem; margin-top: 1rem;
}

/* ---- Feature Grid ---- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }

.feature-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }

.feature-icon {
  width: 40px; height: 40px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.9rem;
}
.feature-icon.blue   { background: var(--accent-subtle); color: var(--accent); }
.feature-icon.green  { background: var(--green-subtle);  color: var(--green); }
.feature-icon.purple { background: var(--purple-subtle); color: var(--purple); }
.feature-icon.orange { background: var(--orange-subtle); color: var(--orange); }
.feature-icon.cyan   { background: var(--cyan-subtle);   color: var(--cyan); }
.feature-icon.pink   { background: var(--pink-subtle);   color: var(--pink); }

.feature-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.4rem; }
.feature-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }

/* ---- Flow ---- */
.flow {
  display: flex; align-items: flex-start; justify-content: center;
  gap: 1.5rem; margin: 2.5rem 0; flex-wrap: wrap;
}
.flow-step { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 0.6rem; }

.flow-icon {
  width: 64px; height: 64px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
}
.flow-icon.blue   { background: var(--accent-subtle); color: var(--accent); border: 1px solid rgba(88,166,255,0.15); }
.flow-icon.green  { background: var(--green-subtle);  color: var(--green);  border: 1px solid rgba(63,185,80,0.15); }
.flow-icon.purple { background: var(--purple-subtle); color: var(--purple); border: 1px solid rgba(188,140,255,0.15); }

.flow-label { font-size: 0.9rem; font-weight: 600; }
.flow-desc { font-size: 0.75rem; color: var(--text-secondary); max-width: 150px; }

.flow-arrow { color: var(--text-muted); margin-top: 1.1rem; }

/* ---- Steps ---- */
.steps { max-width: 640px; }

.step {
  display: flex; gap: 1.25rem; padding-bottom: 2rem;
  position: relative;
}
.step:not(:last-child)::after {
  content: ''; position: absolute; left: 15px; top: 36px; bottom: 0;
  width: 2px; background: var(--border);
}

.step-number {
  flex-shrink: 0; width: 32px; height: 32px;
  background: var(--accent); color: var(--bg-primary);
  border-radius: 50%; font-size: 0.8rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 1;
}

.step-content { flex: 1; }
.step-content h3 { font-size: 1rem; margin-bottom: 0.35rem; }
.step-content p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0.5rem; }

/* ---- Code ---- */
pre {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem 1.25rem;
  overflow-x: auto; font-family: var(--font-mono); font-size: 0.82rem;
  line-height: 1.65; margin: 0.75rem 0;
  color: var(--text-primary);
}

code { font-family: var(--font-mono); font-size: 0.85em; }
:not(pre) > code {
  background: var(--bg-tertiary); padding: 0.15em 0.45em; border-radius: 4px;
}

/* ---- Tabs ---- */
.tabs { margin: 1.5rem 0 2.5rem; }

.tab-bar {
  display: flex; gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

.tab {
  background: none; border: none; color: var(--text-muted);
  font-family: var(--font-sans); font-size: 0.85rem; font-weight: 500;
  padding: 0.7rem 1.2rem; cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.tab:hover { color: var(--text-secondary); }
.tab.active {
  color: var(--accent); border-bottom-color: var(--accent);
}

.tab-panel { display: none; padding-top: 1.25rem; }
.tab-panel.active { display: block; }

.tab-desc {
  color: var(--text-secondary); font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

/* ---- Tools Grid ---- */
.tools-heading { font-size: 1.1rem; margin: 2rem 0 1rem; }

.tools-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }

.tool-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.9rem 1rem;
  display: flex; flex-direction: column; gap: 0.3rem;
}
.tool-item.highlight { border-color: var(--accent); }
.tool-item code { color: var(--accent); font-size: 0.85rem; font-weight: 600; }
.tool-item span { font-size: 0.78rem; color: var(--text-secondary); }

/* ---- Table ---- */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th {
  text-align: left; padding: 0.7rem 0.9rem;
  border-bottom: 2px solid var(--border);
  color: var(--text-muted); font-weight: 600; font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.05em;
}
td { padding: 0.65rem 0.9rem; border-bottom: 1px solid var(--border); }
tr:hover td { background: var(--bg-secondary); }
td code { white-space: nowrap; }

/* ---- FAQ ---- */
.faq-list { max-width: 700px; }

.faq-item {
  border-bottom: 1px solid var(--border); padding: 0;
}
.faq-item:last-child { border-bottom: none; }

.faq-item summary {
  padding: 1.1rem 0; font-size: 0.95rem; font-weight: 600; cursor: pointer;
  list-style: none; display: flex; align-items: center; justify-content: space-between;
  color: var(--text-primary);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 1.2rem; color: var(--text-muted); font-weight: 300;
  transition: transform 0.2s;
}
.faq-item[open] summary::after { content: '\2212'; }

.faq-item p {
  padding: 0 0 1.1rem; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6;
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--border); padding: 3rem 0; margin-top: 1rem;
  text-align: center; color: var(--text-muted); font-size: 0.85rem;
}
.footer-logo {
  font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700;
  color: var(--text-secondary); margin-bottom: 0.75rem;
}
.footer-logo span { color: var(--accent); }
.footer p { margin-bottom: 1rem; }
.footer-links {
  display: flex; justify-content: center; gap: 2rem;
  margin-bottom: 1.5rem; list-style: none;
}
.footer-links a { color: var(--text-secondary); font-size: 0.85rem; }
.footer-links a:hover { color: var(--text-primary); }
.footer-copy { color: var(--text-muted); font-size: 0.78rem; margin-bottom: 0; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .hero { padding: 7rem 0 3.5rem; }
  .hero h1 { font-size: 2.2rem; }
  .hero-subtitle { font-size: 1.05rem; }

  .nav-links { display: none; flex-direction: column; position: absolute;
    top: 56px; left: 0; right: 0; background: var(--bg-primary);
    border-bottom: 1px solid var(--border); padding: 1rem 1.5rem; gap: 1rem;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

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

  .flow { flex-direction: column; align-items: center; }
  .flow-arrow { transform: rotate(90deg); }

  .section { padding: 3.5rem 0; }
  .section-title { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .section { padding: 2.5rem 0; }
  .section-title { font-size: 1.4rem; }
  .hero-actions { flex-direction: column; align-items: center; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
}