/* ===== Theme Variables ===== */
:root {
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  --accent: #CB2B3E;
  --accent-hover: #e03348;
  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 1100px;
  --nav-h: 64px;
  --transition: 0.25s ease;
}

[data-theme="dark"] {
  --bg: #0a0f1a;
  --bg-alt: #111827;
  --fg: #e5e7eb;
  --fg-dim: #9ca3af;
  --card-bg: #1a2233;
  --card-border: #2a3444;
  --code-bg: #0d1117;
  --code-border: #21262d;
  --nav-bg: rgba(10, 15, 26, 0.85);
  --glow: rgba(203, 43, 62, 0.15);
  --pill-bg: #1e293b;
  --pill-border: #334155;
}

[data-theme="light"] {
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --fg: #1e293b;
  --fg-dim: #64748b;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --code-bg: #f1f5f9;
  --code-border: #e2e8f0;
  --nav-bg: rgba(255, 255, 255, 0.85);
  --glow: rgba(203, 43, 62, 0.08);
  --pill-bg: #f1f5f9;
  --pill-border: #cbd5e1;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

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

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

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ===== Navigation ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  height: var(--nav-h);
  transition: background var(--transition), border-color var(--transition);
}

.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.1rem; color: var(--fg);
}
.nav-logo:hover { color: var(--accent); }
.nav-logo img { border-radius: 6px; }

.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--fg-dim); font-size: 0.9rem; font-weight: 500; }
.nav-links a:hover { color: var(--fg); }

.nav-mobile-toggle { display: none; background: none; border: none; color: var(--fg); cursor: pointer; }

.theme-toggle {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 8px;
  padding: 6px 8px; cursor: pointer; color: var(--fg-dim);
  display: flex; align-items: center; transition: all var(--transition);
}
.theme-toggle:hover { color: var(--fg); border-color: var(--accent); }

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 80px) 0 80px;
  text-align: center;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse, var(--glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; }

.hero-logo {
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  margin-bottom: 24px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem; font-weight: 500; letter-spacing: 0.5px;
  color: var(--fg-dim);
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--fg) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 600; color: var(--fg-dim);
  margin-bottom: 16px;
}

.hero-tagline {
  max-width: 600px; margin: 0 auto 32px;
  font-size: 1.05rem; color: var(--fg-dim); line-height: 1.7;
}

.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem;
  transition: all var(--transition); border: none; cursor: pointer;
}

.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 16px rgba(203, 43, 62, 0.3);
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); }

.btn-secondary {
  background: var(--card-bg); color: var(--fg);
  border: 1px solid var(--card-border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* ===== Terminal ===== */
.hero-terminal { max-width: 680px; margin: 0 auto; }

.terminal {
  background: var(--code-bg); border: 1px solid var(--code-border);
  border-radius: var(--radius); overflow: hidden;
  text-align: left;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.terminal-header {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.15);
  border-bottom: 1px solid var(--code-border);
}

.terminal-dot { width: 12px; height: 12px; border-radius: 50%; }
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }
.terminal-title { margin-left: auto; font-size: 0.75rem; color: var(--fg-dim); font-family: var(--font-mono); }

.terminal-body { padding: 16px 20px; min-height: 340px; }

.terminal-output {
  font-family: var(--font-mono); font-size: 0.85rem;
  line-height: 1.8; color: var(--fg-dim);
  white-space: pre-wrap;
}

.terminal-output .prompt { color: var(--accent); }
.terminal-output .cmd { color: var(--fg); }
.terminal-output .comment { color: #6b7280; }
.terminal-output .success { color: #34d399; }
.terminal-output .thinking { color: #facc15; font-style: italic; }
.terminal-output .phase { color: #60a5fa; font-weight: 700; }
.terminal-output .dim { color: #6b7280; }
.terminal-output .cursor-blink {
  display: inline-block; width: 8px; height: 16px;
  background: var(--accent);
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

@keyframes blink { 50% { opacity: 0; } }

/* ===== Sections ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }

.section-label {
  text-transform: uppercase; font-size: 0.8rem; font-weight: 700;
  letter-spacing: 2px; color: var(--accent);
  margin-bottom: 8px; text-align: center;
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 800; text-align: center;
  margin-bottom: 12px;
}

.section-desc {
  text-align: center; color: var(--fg-dim);
  max-width: 600px; margin: 0 auto 48px;
  font-size: 1.02rem;
}

/* ===== Output Grid ===== */
.output-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.output-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 28px;
  transition: all var(--transition);
}
.output-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 8px 24px var(--glow); }

.output-icon { font-size: 2rem; display: block; margin-bottom: 12px; }
.output-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.output-card p { font-size: 0.9rem; color: var(--fg-dim); margin-bottom: 12px; line-height: 1.6; }
.output-card code {
  font-family: var(--font-mono); font-size: 0.78rem;
  background: var(--code-bg); border: 1px solid var(--code-border);
  padding: 3px 8px; border-radius: 4px; color: var(--accent);
}

/* ===== Pipeline ===== */
.pipeline {
  display: flex; align-items: flex-start; justify-content: center;
  gap: 8px; flex-wrap: wrap;
}

.pipeline-stage {
  flex: 0 1 180px; text-align: center;
  padding: 24px 16px;
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.pipeline-stage:hover { border-color: var(--accent); transform: translateY(-2px); }

.pipeline-icon { font-size: 2rem; margin-bottom: 8px; }
.pipeline-stage h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.pipeline-stage p { font-size: 0.8rem; color: var(--fg-dim); line-height: 1.5; }

.pipeline-arrow {
  display: flex; align-items: center;
  font-size: 1.5rem; color: var(--fg-dim); padding-top: 36px;
  font-weight: 300;
}

/* ===== Features Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 28px;
  transition: all var(--transition);
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.feature-icon { font-size: 2rem; margin-bottom: 12px; }
.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: var(--fg-dim); line-height: 1.6; }

/* ===== Quick Start ===== */
.quickstart-grid { display: flex; flex-direction: column; gap: 32px; max-width: 680px; margin: 0 auto; }

.quickstart-step { position: relative; }
.step-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-weight: 700; font-size: 0.9rem;
  margin-bottom: 12px;
}
.quickstart-step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; }

.code-block {
  background: var(--code-bg); border: 1px solid var(--code-border);
  border-radius: var(--radius-sm); padding: 16px 20px; overflow-x: auto;
}
.code-block pre {
  font-family: var(--font-mono); font-size: 0.85rem;
  line-height: 1.7; color: var(--fg); margin: 0;
  white-space: pre-wrap;
}
.code-sm .code-block { padding: 12px 16px; }
.code-sm pre { font-size: 0.8rem; }

.citation-block { max-width: 720px; margin: 0 auto; }
.citation-block pre { white-space: pre; overflow-x: auto; font-size: 0.82rem; line-height: 1.8; }

/* Tabs */
.tabs { display: flex; gap: 4px; margin-bottom: 12px; }
.tab {
  padding: 8px 20px; border-radius: var(--radius-sm);
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  background: var(--card-bg); border: 1px solid var(--card-border);
  color: var(--fg-dim); transition: all var(--transition);
}
.tab.active, .tab:hover { border-color: var(--accent); color: var(--accent); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ===== Agents ===== */
.agents-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }

.agent-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 32px; text-align: center;
  transition: all var(--transition);
}
.agent-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.agent-logo { margin-bottom: 16px; }
.agent-logo img, .agent-logo svg { display: inline-block; }
.agent-company { font-size: 0.85rem; color: var(--fg-dim); margin-bottom: 16px; }
.agent-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 4px; }

[data-theme="dark"] .icon-light-only { display: none; }
[data-theme="dark"] .icon-dark-only { display: inline-block; }
[data-theme="light"] .icon-light-only { display: inline-block; }
[data-theme="light"] .icon-dark-only { display: none; }

/* ===== Integrations ===== */
.integrations-track-wrapper {
  overflow: hidden; position: relative;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.integrations-track {
  display: flex; gap: 12px;
  animation: scroll-track 30s linear infinite;
  width: max-content;
}

.integration-pill {
  flex-shrink: 0;
  padding: 10px 24px; border-radius: 999px;
  background: var(--pill-bg); border: 1px solid var(--pill-border);
  font-size: 0.85rem; font-weight: 600; color: var(--fg);
  white-space: nowrap;
  transition: all var(--transition);
}

@keyframes scroll-track {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Screenshots ===== */
.screenshot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }

.screenshot-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); overflow: hidden;
  transition: all var(--transition);
}
.screenshot-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 8px 24px var(--glow); }
.screenshot-card img { width: 100%; display: block; }
.screenshot-card p {
  padding: 12px 16px; font-size: 0.9rem; font-weight: 600;
  text-align: center; color: var(--fg-dim);
}

/* ===== Lightbox ===== */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center; justify-content: center;
  cursor: pointer;
  padding: 32px;
}
.lightbox.open { display: flex; }

.lightbox-img {
  max-width: 95vw; max-height: 90vh;
  border-radius: var(--radius);
  box-shadow: 0 16px 64px rgba(0, 0, 0, 0.5);
  cursor: default;
  animation: lightbox-in 0.2s ease;
}

@keyframes lightbox-in {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.lightbox-close {
  position: absolute; top: 16px; right: 24px;
  background: none; border: none;
  color: #fff; font-size: 2.5rem; font-weight: 300;
  cursor: pointer; opacity: 0.7;
  transition: opacity var(--transition);
  line-height: 1;
}
.lightbox-close:hover { opacity: 1; }

.screenshot-card { cursor: pointer; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--card-border);
  padding: 48px 0 0;
}

.footer-inner {
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 40px;
  padding-bottom: 40px;
}

.footer-brand {
  display: flex; flex-direction: column; gap: 8px;
}
.footer-brand span { font-size: 1.1rem; font-weight: 700; }
.footer-brand img { border-radius: 6px; }
.footer-tagline { color: var(--fg-dim); font-size: 0.9rem; }

.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--fg-dim); margin-bottom: 4px; }
.footer-col a { color: var(--fg-dim); font-size: 0.88rem; }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  text-align: center; padding: 20px 0;
  border-top: 1px solid var(--card-border);
  font-size: 0.8rem; color: var(--fg-dim);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: var(--nav-bg); backdrop-filter: blur(12px);
    padding: 16px 24px; gap: 12px;
    border-bottom: 1px solid var(--card-border);
  }

  .pipeline { flex-direction: column; align-items: center; }
  .pipeline-arrow { transform: rotate(90deg); padding-top: 0; }

  .hero { padding: calc(var(--nav-h) + 48px) 0 48px; }
  .section { padding: 48px 0; }

  .output-grid, .features-grid, .agents-grid, .screenshot-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner { flex-direction: column; }
  .footer-links { flex-direction: column; gap: 24px; }
}