/* =========================================
   DevQueue — Landing Page Theme
   Dark canvas, electric lime accents
   ========================================= */

:root {
  --bg: #0A0A0A;
  --surface: #111111;
  --surface-2: #1A1A1A;
  --border: #2A2A2A;
  --fg: #F0F0F0;
  --fg-muted: #888888;
  --accent: #C8FF00;
  --accent-dim: rgba(200, 255, 0, 0.08);
  --accent-border: rgba(200, 255, 0, 0.25);
  --red: #FF5F57;
  --yellow: #FEBC2E;
  --green: #28C840;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: #444; }

/* =========================================
   NAV
   ========================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.nav-tagline {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* =========================================
   HERO
   ========================================= */
.hero {
  padding: 140px 32px 80px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(42px, 5vw, 68px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--fg-muted);
  max-width: 420px;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  gap: 32px;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Code editor mockup */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.code-editor {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.editor-bar {
  padding: 10px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 6px;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--green); }
.editor-filename {
  margin-left: 12px;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: var(--fg-muted);
}
.editor-body {
  padding: 16px 20px;
}
.code-line {
  font-family: 'Courier New', monospace;
  font-size: 12.5px;
  line-height: 1.7;
}
.code-indent { padding-left: 20px; }
.code-indent-2 { padding-left: 40px; }
.code-keyword { color: #C792EA; }
.code-fn { color: #82AAFF; }
.code-comment { color: #697098; font-style: italic; }
.code-punct { color: var(--fg-muted); }

/* Agent panel */
.agent-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.agent-header {
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.agent-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(200, 255, 0, 0.6);
}
.agent-name {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.02em;
}
.agent-msg {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.55;
}
.agent-msg p { margin: 0; }
.agent-msg--in {
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  color: var(--fg-muted);
}
.agent-msg--done {
  border-bottom: 1px solid var(--border);
  color: var(--fg);
}
.agent-msg--done::before {
  content: '✓ ';
  color: var(--accent);
  font-weight: 600;
}
.agent-status {
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--fg-muted);
}
.agent-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

/* =========================================
   SHARED SECTION STYLES
   ========================================= */
.section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.section-body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 540px;
}

/* =========================================
   AGENT INTRO
   ========================================= */
.agent-intro {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
}
.agent-intro-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: left;
}
.agent-intro-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 20px;
}
.agent-intro-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.agent-intro-body {
  font-size: 17px;
  line-height: 1.7;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

/* =========================================
   HOW IT WORKS
   ========================================= */
.how-it-works {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.how-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.how-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 20px;
}
.how-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
}
.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.how-step {
  padding: 28px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.step-num {
  display: block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.how-step h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.how-step p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-muted);
}

/* =========================================
   FEATURES
   ========================================= */
.features {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
}
.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.features-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 20px;
}
.features-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  max-width: 600px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.feature-card {
  background: var(--surface);
  padding: 32px 28px;
  transition: background 0.2s;
}
.feature-card:hover {
  background: var(--surface-2);
}
.feature-icon {
  font-size: 24px;
  margin-bottom: 16px;
  color: var(--accent);
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-muted);
}

/* =========================================
   STACK
   ========================================= */
.stack {
  padding: 80px 32px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.stack-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.stack-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 16px;
}
.stack-headline {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}
.stack-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.stack-item {
  padding: 8px 20px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  transition: border-color 0.2s, color 0.2s;
}
.stack-item:hover {
  border-color: var(--accent-border);
  color: var(--fg);
}

/* =========================================
   CLOSING
   ========================================= */
.closing {
  padding: 120px 32px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.closing-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--fg-muted);
  margin-bottom: 32px;
}
.closing-note {
  display: inline-block;
  font-size: 12px;
  color: var(--fg-muted);
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 100px;
  letter-spacing: 0.03em;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  padding: 40px 32px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-muted);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-visual {
    order: -1;
  }
  .how-steps {
    grid-template-columns: 1fr;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 120px 20px 60px;
  }
  .hero-stats {
    gap: 20px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .nav-inner {
    padding: 14px 20px;
  }
  .nav-tagline {
    display: none;
  }
  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}