@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Sora:wght@400;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ─── CSS Variables & Design Tokens ─── */
:root {
  /* Color Palette - Modern Dark Theme (Default) */
  --bg-body: #090d16;
  --bg-canvas: #0c121e;
  --bg-card: #101726;
  --bg-card-hover: #151f33;
  --bg-elevated: #162035;
  --bg-input: #0c1322;
  --bg-glass: rgba(16, 23, 38, 0.85);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-default: rgba(255, 255, 255, 0.14);
  --border-hover: rgba(56, 189, 248, 0.4);
  --border-focus: #38bdf8;

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-heading: #ffffff;
  --text-inverse: #090d16;

  /* Accents */
  --accent-cyan: #38bdf8;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  /* Status Tokens */
  --status-pass: #10b981;
  --status-pass-bg: rgba(16, 185, 129, 0.1);
  --status-pass-border: rgba(16, 185, 129, 0.25);
  --status-gate: #f59e0b;
  --status-gate-bg: rgba(245, 158, 11, 0.1);
  --status-gate-border: rgba(245, 158, 11, 0.25);
  --status-info: #38bdf8;
  --status-info-bg: rgba(56, 189, 248, 0.1);
  --status-info-border: rgba(56, 189, 248, 0.25);

  /* Primary Interactive CTA */
  --cta-bg: #f8fafc;
  --cta-text: #090d16;
  --cta-hover-bg: #ffffff;
  --cta-hover-border: #94a3b8;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, monospace;

  /* Geometry & Shadows */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);

  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Mode Overrides */
[data-theme="light"] {
  --bg-body: #ffffff;
  --bg-canvas: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-elevated: #f1f5f9;
  --bg-input: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);

  --border-subtle: #e2e8f0;
  --border-default: #cbd5e1;
  --border-hover: #0284c7;
  --border-focus: #0284c7;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  --text-heading: #0f172a;
  --text-inverse: #ffffff;

  --accent-cyan: #0284c7;
  --accent-blue: #2563eb;
  --accent-purple: #7c3aed;
  --accent-emerald: #059669;
  --accent-amber: #d97706;
  --accent-rose: #e11d48;

  --status-pass: #059669;
  --status-pass-bg: rgba(5, 150, 105, 0.08);
  --status-pass-border: rgba(5, 150, 105, 0.2);
  --status-gate: #d97706;
  --status-gate-bg: rgba(217, 119, 6, 0.08);
  --status-gate-border: rgba(217, 119, 6, 0.2);
  --status-info: #0284c7;
  --status-info-bg: rgba(2, 132, 199, 0.08);
  --status-info-border: rgba(2, 132, 199, 0.2);

  --cta-bg: #0f172a;
  --cta-text: #ffffff;
  --cta-hover-bg: #1e293b;
  --cta-hover-border: #334155;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.08);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-body);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

/* Subtle Technical Ambient Glow */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    radial-gradient(ellipse at 50% 0%, rgba(56, 189, 248, 0.07) 0%, transparent 60%),
    radial-gradient(ellipse at 85% 400px, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -2;
}

body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(to right, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-subtle) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 50% 20%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 20%, black 20%, transparent 75%);
  pointer-events: none;
  z-index: -1;
  opacity: 0.5;
}

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

a:hover {
  color: var(--accent-purple);
}

code, pre {
  font-family: var(--font-mono);
}

/* ─── Navigation Bar ─── */
nav {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(7, 10, 18, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 24px;
  z-index: 500;
  transition: background var(--transition-fast);
}

[data-theme="light"] nav {
  background: rgba(255, 255, 255, 0.85);
}

nav .nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  height: 70px;
}

nav .brand {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  white-space: nowrap;
}

nav .brand-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #0284c7 0%, #7c3aed 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1rem;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 8px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 8px;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-links a:hover {
  color: var(--text-heading);
  background: rgba(255, 255, 255, 0.04);
}

[data-theme="light"] .nav-links a:hover {
  background: rgba(0, 0, 0, 0.04);
}

.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-heading);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

[data-theme="light"] .theme-toggle-btn {
  background: rgba(0, 0, 0, 0.04);
}

.theme-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

/* Star Button */
.star-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-heading) !important;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.star-btn:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow-cyan);
  transform: translateY(-1px);
}

.star-btn svg {
  color: #fbbf24;
  transition: transform var(--transition-fast);
}

.star-btn:hover svg {
  transform: scale(1.15) rotate(12deg);
}

.nav-install-btn {
  display: inline-flex;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-heading) !important;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-install-btn:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow-cyan);
  transform: translateY(-1px);
}

/* ─── Hero Section ─── */
.hero {
  text-align: center;
  padding: 88px 24px 64px;
  max-width: 980px;
  margin: 0 auto;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-default);
  margin-bottom: 24px;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.hero-badge:hover {
  border-color: var(--border-hover);
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.07);
}

.hero-badge .badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--status-pass);
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin-bottom: 12px;
  color: var(--text-heading);
}

.hero-brand {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 auto 18px;
}

.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #60a5fa 50%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 400;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 16px;
  line-height: 1.6;
}

.hero-proof {
  font-size: 0.875rem;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 28px;
  line-height: 1.5;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.hero-proof-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: var(--status-pass-bg);
  border: 1px solid var(--status-pass-border);
  color: var(--status-pass);
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 600;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
  margin-bottom: 36px;
}

.hero-cta-row .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  transition: all var(--transition-fast);
}

.hero-cta-row .btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

/* Modern Engineering Terminal Box */
.terminal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  max-width: 720px;
  margin: 0 auto 48px;
  overflow: hidden;
  text-align: left;
}

.terminal-header {
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.terminal-dot.red { background-color: #ef4444; opacity: 0.8; }
.terminal-dot.yellow { background-color: #f59e0b; opacity: 0.8; }
.terminal-dot.green { background-color: #10b981; opacity: 0.8; }

.terminal-scope-tabs {
  display: flex;
  gap: 4px;
}

.terminal-scope-tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.terminal-scope-tab:hover {
  color: var(--text-muted);
}

.terminal-scope-tab.active {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-subtle);
  color: var(--text-main);
  font-weight: 600;
}

.terminal-presets {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-presets-label {
  font-size: 0.725rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  margin-right: 4px;
}

.terminal-preset-pill {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.725rem;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.terminal-preset-pill:hover {
  border-color: var(--border-hover);
  color: var(--text-main);
}

.terminal-preset-pill.active {
  background: rgba(56, 189, 248, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 600;
}

.terminal-body {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-input);
}

.terminal-cmd {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  white-space: nowrap;
}

.terminal-prompt {
  color: var(--text-dim);
  user-select: none;
}

.terminal-copy-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.terminal-copy-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-default);
  color: var(--text-main);
  transform: translateY(-1px);
}

.terminal-copy-btn.copied {
  background: var(--status-pass-bg);
  border-color: var(--status-pass-border);
  color: var(--status-pass);
}

/* Verifiable Metrics Grid */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  text-align: left;
}

.metric-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.metric-val {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.metric-val.cyan { color: var(--accent-cyan); }
.metric-val.purple { color: var(--accent-purple); }
.metric-val.emerald { color: var(--accent-emerald); }
.metric-val.amber { color: var(--accent-amber); }

.metric-lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.metric-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.metric-val {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.1;
  margin-bottom: 4px;
}

.metric-val.cyan { color: var(--accent-cyan); }
.metric-val.purple { color: var(--accent-purple); }
.metric-val.emerald { color: var(--accent-emerald); }
.metric-val.amber { color: var(--accent-amber); }

.metric-lbl {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* ─── General Section Container ─── */
section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px;
}

.section-header {
  margin-bottom: 40px;
}

section h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 720px;
  line-height: 1.6;
}

/* ─── Workflows Section ─── */
.workflows-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.workflow-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.workflow-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.workflow-card.standard::before {
  background: linear-gradient(90deg, #38bdf8, #8b5cf6);
}

.workflow-card.lite::before {
  background: linear-gradient(90deg, #34d399, #38bdf8);
}

.workflow-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md), var(--shadow-glow-cyan);
}

.workflow-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.workflow-card h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-heading);
}

.workflow-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.workflow-badge.standard {
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.workflow-badge.lite {
  color: var(--accent-emerald);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.workflow-tagline {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.workflow-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.workflow-steps-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.workflow-steps-list {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.workflow-steps-list li {
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 10px;
  padding-left: 24px;
  position: relative;
}

.workflow-steps-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: 700;
}

.workflow-card.lite .workflow-steps-list li::before {
  color: var(--accent-emerald);
}

.workflow-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-heading);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

[data-theme="light"] .workflow-btn {
  background: rgba(0, 0, 0, 0.03);
}

.workflow-card:hover .workflow-btn {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.workflow-card-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

a.workflow-btn {
  text-decoration: none;
  box-sizing: border-box;
}

/* ─── Skill Catalog Section ─── */
.catalog-header-wrap {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 28px;
}

.catalog-stats {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
}

.catalog-stats strong {
  color: var(--accent-cyan);
}

/* Search & Filter Controls */
.catalog-controls {
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.search-box {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 44px 14px 48px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-main);
  outline: none;
  transition: all var(--transition-fast);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.search-box input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.search-clear {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 4px;
  display: none;
}

.search-box input:not(:placeholder-shown) + .search-clear {
  display: block;
}

.filter-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-pill {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.825rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
}

[data-theme="light"] .filter-pill {
  background: rgba(0, 0, 0, 0.03);
}

.filter-pill:hover {
  border-color: var(--border-hover);
  color: var(--text-heading);
}

.filter-pill.active {
  background: rgba(56, 189, 248, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Layer Groups */
.layer {
  margin-bottom: 48px;
}

.layer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 20px;
}

.layer-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 10px;
}

.layer-tag {
  color: var(--accent-purple);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.layer-header .count {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.04);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

/* Skill Cards */
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.skill-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), 0 0 20px rgba(56, 189, 248, 0.08);
}

.skill-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.skill-card .name {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-emerald);
  letter-spacing: -0.01em;
  word-break: break-word;
}

.skill-badges {
  display: flex;
  gap: 4px;
}

.skill-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
}

.skill-badge.full {
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.skill-badge.lite {
  color: var(--accent-emerald);
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.25);
}

.skill-card .desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
  flex-grow: 1;
}

.skill-card-bottom {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.skill-deps-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.deps-heading {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.deps-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-height: 72px;
  overflow-y: auto;
  padding-right: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) rgba(0, 0, 0, 0.1);
}

.deps-list::-webkit-scrollbar {
  width: 4px;
}
.deps-list::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 4px;
}
.deps-list::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 4px;
}

.dep-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: rgba(167, 139, 250, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.22);
  color: var(--accent-purple);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

[data-theme="light"] .dep-pill {
  background: rgba(139, 92, 246, 0.08);
  border-color: rgba(139, 92, 246, 0.25);
  color: #7c3aed;
}

.dep-pill:hover {
  background: rgba(167, 139, 250, 0.2);
  border-color: var(--accent-purple);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(167, 139, 250, 0.2);
}

.dep-pill.none {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-subtle);
  color: var(--text-dim);
  font-weight: 400;
  font-style: italic;
  cursor: default;
}

.dep-pill.none:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--border-subtle);
}

[data-theme="light"] .dep-pill.none {
  background: rgba(0, 0, 0, 0.03);
}

.skill-card .view-skill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  transition: all var(--transition-fast);
}

.skill-card .view-skill .arrow {
  transition: transform var(--transition-fast);
}

.skill-card:hover .view-skill {
  color: var(--accent-purple);
}

.skill-card:hover .view-skill .arrow {
  transform: translateX(4px);
}

/* No Results Fallback */
.no-results {
  text-align: center;
  padding: 64px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}

.no-results svg {
  color: var(--text-dim);
  margin-bottom: 16px;
}

.no-results h3 {
  font-size: 1.25rem;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.no-results p {
  margin-bottom: 20px;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-heading);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--border-hover);
}

/* ─── Packages Section ─── */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.package-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(12px);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.package-card.featured {
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.12);
}

[data-theme="dark"] .package-card.featured {
  background: rgba(15, 23, 42, 0.9);
}

.package-featured-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: linear-gradient(135deg, #0284c7, #7c3aed);
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.package-card h4 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.package-shortcut {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-bottom: 12px;
  display: inline-block;
}

.package-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.55;
  flex-grow: 1;
}

.package-features, .package-preview {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px;
}

[data-theme="light"] .package-features, [data-theme="light"] .package-preview {
  background: rgba(0, 0, 0, 0.03);
}

.pkg-feat {
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.pkg-feat span { color: var(--accent-emerald); font-weight: bold; }

/* ─── Installation Commands Section ─── */
.install-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.install-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.install-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.install-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.cmd-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

.cmd-row {
  display: flex;
  align-items: center;
  background: #0f172a;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  gap: 10px;
}

.cmd-row code {
  font-size: 0.8rem;
  color: #38bdf8;
  flex-grow: 1;
  word-break: break-all;
}

.cmd-copy-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: #94a3b8;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.cmd-copy-btn:hover {
  color: #38bdf8;
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
}

.cmd-copy-btn.copied {
  color: #34d399;
  border-color: #34d399;
  background: rgba(52, 211, 153, 0.15);
}

/* ─── Contribute Section ─── */
.contribute-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  line-height: 1.6;
  box-shadow: var(--shadow-sm);
}

.contribute-box code {
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-cyan);
}

.roadmap-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.roadmap-list li {
  padding: 10px 0 10px 20px;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  color: var(--text-main);
}

.roadmap-list li:last-child {
  border-bottom: none;
}

.roadmap-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.15em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
}

.roadmap-list .status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-right: 8px;
}

/* ─── Footer ─── */
footer {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-dim);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-canvas);
  margin-top: 64px;
}

footer a {
  color: var(--text-muted);
}
footer a:hover {
  color: var(--accent-cyan);
}

/* ─── Modal System ─── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(7, 10, 18, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open {
  display: flex;
}

.modal-content {
  background: #0f172a;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 920px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  animation: scaleUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.modal-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-emerald);
}

.modal-actions {
  display: flex;
  gap: 8px;
}

.copy-btn, .close-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover, .close-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
}

.modal-tabs {
  display: flex;
  padding: 0 24px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.2);
}

.modal-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 12px 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: -1px;
}

.modal-tab:hover {
  color: var(--text-main);
}

.modal-tab.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}

.modal-body {
  overflow-y: auto;
  flex-grow: 1;
}

.modal-panel {
  min-height: 100%;
}

.hidden {
  display: none !important;
}

.modal-raw {
  font-family: var(--font-mono);
  font-size: 0.825rem;
  line-height: 1.65;
  color: #f1f5f9;
  background: #090d16;
  padding: 28px 32px;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.modal-markdown {
  padding: 32px;
  font-size: 0.925rem;
  line-height: 1.75;
  color: #e2e8f0;
}

.modal-markdown h1 {
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.modal-markdown h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin: 32px 0 14px;
}

.modal-markdown h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #ffffff;
  margin: 24px 0 10px;
}

.modal-markdown p {
  margin-bottom: 16px;
}

.modal-markdown ul, .modal-markdown ol {
  margin: 0 0 16px 24px;
}

.modal-markdown code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 0.825rem;
  color: #38bdf8;
}

.modal-markdown pre {
  background: #080c14;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 20px;
}

.modal-markdown pre code {
  background: none;
  padding: 0;
  color: #f1f5f9;
}

.modal-markdown table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.85rem;
}

.modal-markdown th, .modal-markdown td {
  border: 1px solid var(--border-subtle);
  padding: 10px 14px;
  text-align: left;
}

.modal-markdown th {
  background: rgba(255, 255, 255, 0.04);
  color: var(--accent-cyan);
}

.modal-markdown blockquote {
  border-left: 4px solid var(--accent-purple);
  padding: 12px 18px;
  background: rgba(167, 139, 250, 0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 20px;
  color: var(--text-muted);
}

/* ─── Toast Notifications ─── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: #0f172a;
  border: 1px solid var(--accent-cyan);
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1), fadeOut 0.3s ease 2.7s forwards;
}

.toast-icon {
  color: var(--accent-emerald);
}

/* ─── Keyframe Animations ─── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* ─── How It Works Section ─── */
.how-container {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.how-nav-tabs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 16px;
}

.how-tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.how-tab-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-heading);
  transform: translateY(-1px);
}

.how-tab-btn.active {
  background: rgba(56, 189, 248, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.15);
}

[data-theme="light"] .how-tab-btn.active {
  background: rgba(2, 132, 199, 0.12);
  color: var(--accent-cyan);
}

.how-tab-btn .tab-badge {
  font-size: 0.725rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
}

.how-panel {
  display: none;
  animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.how-panel.active {
  display: block;
}

/* Timeline Stepper */
.stepper-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-left: 28px;
}

.stepper-timeline::before {
  content: '';
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 11px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan) 0%, var(--accent-purple) 50%, var(--accent-emerald) 100%);
  opacity: 0.4;
}

.stepper-item {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  backdrop-filter: blur(12px);
  transition: all var(--transition-fast);
}

.stepper-item:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.stepper-dot {
  position: absolute;
  left: -28px;
  top: 24px;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-cyan);
  border: 2px solid var(--bg-body);
  box-shadow: 0 0 10px var(--accent-cyan);
}

.stepper-item.phase-2 .stepper-dot {
  background: var(--accent-purple);
  box-shadow: 0 0 10px var(--accent-purple);
}

.stepper-item.phase-3 .stepper-dot {
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
}

.stepper-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.stepper-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stepper-step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
}

.stepper-item.phase-2 .stepper-step-num {
  color: var(--accent-purple);
  background: rgba(167, 139, 250, 0.1);
  border-color: rgba(167, 139, 250, 0.25);
}

.stepper-item.phase-3 .stepper-step-num {
  color: var(--accent-emerald);
  background: rgba(52, 211, 153, 0.1);
  border-color: rgba(52, 211, 153, 0.25);
}

.stepper-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-heading);
}

.stepper-fsm-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.04);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
}

.stepper-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.stepper-skills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 12px;
  border-top: 1px dashed var(--border-subtle);
}

.stepper-skills-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);

}

.skill-tag-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--accent-cyan);
  cursor: pointer;
  transition: all var(--transition-fast);

}

.skill-tag-pill:hover {
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.15);
  transform: translateY(-1px);
}

.skill-tag-pill.orch { color: var(--accent-purple); border-color: rgba(167, 139, 250, 0.3); }
.skill-tag-pill.plan { color: var(--accent-cyan); border-color: rgba(56, 189, 248, 0.3); }
.skill-tag-pill.exec { color: var(--accent-emerald); border-color: rgba(52, 211, 153, 0.3); }
.skill-tag-pill.audit { color: var(--accent-amber); border-color: rgba(251, 191, 36, 0.3); }
.skill-tag-pill.scm { color: var(--accent-rose); border-color: rgba(251, 113, 133, 0.3); }

/* Skill Role Matrix Grid */
.role-matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.role-matrix-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

.role-matrix-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.role-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.role-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--accent-cyan);
}

.role-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-heading);
}

.role-card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.role-card-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ─── FAQ Section ─── */
.faq-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.faq-search-box {
  position: relative;
  width: 100%;
}

.faq-search-box input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 44px 14px 48px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-main);
  outline: none;
  transition: all var(--transition-fast);
}

.faq-search-box input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.faq-cat-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.faq-cat-pill {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.faq-cat-pill:hover {
  border-color: var(--border-hover);
  color: var(--text-heading);
}

.faq-cat-pill.active {
  background: var(--accent-purple-glow);
  border-color: var(--accent-purple);
  color: var(--accent-purple);
}

[data-theme="light"] .faq-cat-pill.active {
  background: rgba(124, 58, 237, 0.12);
  color: var(--accent-purple);
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: all var(--transition-fast);
}

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

.faq-item.open {
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  cursor: pointer;
  color: var(--text-heading);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--accent-cyan);
}

.faq-question-text {
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-cat-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: rgba(167, 139, 250, 0.12);
  color: var(--accent-purple);
  border: 1px solid rgba(167, 139, 250, 0.25);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  color: var(--text-dim);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent-cyan);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer-content {
  padding: 0 24px 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
  border-top: 1px dashed var(--border-subtle);
  padding-top: 16px;
}

.faq-answer-content p {
  margin-bottom: 12px;
}

.faq-answer-content p:last-child {
  margin-bottom: 0;
}

.faq-answer-content ul {
  margin: 12px 0 16px 24px;
}

.faq-answer-content li {
  margin-bottom: 6px;
}

.faq-answer-content code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ─── Media Queries ─── */
@media (max-width: 900px) {
  .workflows-grid { grid-template-columns: 1fr; }
  .role-matrix-grid { grid-template-columns: 1fr; }
}

@media (max-width: 1100px) {
  .nav-links { display: none; }
}

@media (max-width: 768px) {
  nav .nav-inner { padding: 0; }
  .hero { padding: 56px 16px 40px; }
  .hero-animation-wrap {
    margin-bottom: 24px;
    border-radius: 16px;
  }
  .hero h1 { font-size: 2.2rem; }
  .terminal-body { flex-direction: column; align-items: flex-start; }
}

/* ─── Engineering UI Components & Enhancements ─── */

/* Heading Display Font */
h1, h2, .font-display {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

/* Scroll Progress Bar */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  z-index: 1000;
  transition: width 0.1s ease-out;
}

/* Restrained Primary CTA Button (.offer-cta-fill) */
.offer-cta-fill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 26px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--cta-text) !important;
  background: var(--cta-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.offer-cta-fill:hover,
.offer-cta-fill:focus-visible {
  background: var(--cta-hover-bg);
  border-color: var(--cta-hover-border);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--cta-text) !important;
}

.offer-cta-fill:active {
  transform: scale(0.99);
}

/* ─── Interactive Pipeline Visualizer ─── */
.pipeline-visualizer {
  margin: 32px 0;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.pv-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.pv-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pv-tabs {
  display: flex;
  gap: 6px;
  background: rgba(0, 0, 0, 0.2);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.pv-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.825rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pv-tab-btn:hover {
  color: var(--text-main);
}

.pv-tab-btn.active {
  background: var(--bg-card-hover);
  color: var(--accent-cyan);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.pv-panel {
  display: none;
  padding: 24px;
}

.pv-panel.active {
  display: block;
}

.pv-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.pv-step-card {
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pv-step-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pv-step-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.pv-step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.pv-step-gate {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--status-gate);
  background: var(--status-gate-bg);
  border: 1px solid var(--status-gate-border);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}

.pv-step-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-heading);
}

.pv-step-desc {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex-grow: 1;
}

.pv-step-artifacts {
  border-top: 1px dashed var(--border-subtle);
  padding-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.pv-artifact-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.pv-artifact-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--accent-emerald);
  border: 1px solid rgba(52, 211, 153, 0.2);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ─── Technical Verification Showcase ─── */
.verification-showcase {
  margin: 32px 0 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.vs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.vs-card {
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.vs-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.vs-card-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
}

.vs-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
}

.vs-card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ─── Agent Environment Presets ─── */
.agent-integration-section {
  margin: 48px 0;
}

.env-tabs-box {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.env-tabs-header {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
}

.env-tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.env-tab-btn:hover {
  color: var(--text-main);
}

.env-tab-btn.active {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-subtle);
  color: var(--accent-cyan);
}

.env-panel {
  display: none;
  padding: 24px;
}

.env-panel.active {
  display: block;
}

.env-snippet-wrap {
  position: relative;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.env-snippet-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.env-code-block {
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-main);
  overflow-x: auto;
  line-height: 1.6;
}

/* ─── Slide-Over Documentation Drawer ─── */
.skill-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.skill-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(100vw, 760px);
  background: var(--bg-canvas);
  border-left: 1px solid var(--border-default);
  box-shadow: -8px 0 36px rgba(0, 0, 0, 0.6);
  z-index: 1201;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.skill-drawer-overlay.open .skill-drawer {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

.drawer-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.drawer-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-heading);
}

.drawer-version-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.drawer-close-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.drawer-close-btn:hover {
  color: var(--text-main);
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.05);
}

.drawer-content {
  flex-grow: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

.drawer-markdown {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-main);
}

.drawer-markdown h1,
.drawer-markdown h2,
.drawer-markdown h3 {
  color: var(--text-heading);
  margin-top: 24px;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.drawer-markdown h1 { font-size: 1.5rem; border-bottom: 1px solid var(--border-subtle); padding-bottom: 8px; }
.drawer-markdown h2 { font-size: 1.25rem; }
.drawer-markdown h3 { font-size: 1.05rem; }

.drawer-markdown p { margin-bottom: 14px; }

.drawer-markdown code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent-cyan);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

.drawer-markdown pre {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  overflow-x: auto;
  margin: 16px 0;
}

.drawer-markdown pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--text-main);
}

.drawer-markdown table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.85rem;
}

.drawer-markdown th,
.drawer-markdown td {
  padding: 8px 12px;
  border: 1px solid var(--border-subtle);
  text-align: left;
}

.drawer-markdown th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-heading);
}

.drawer-markdown blockquote {
  border-left: 3px solid var(--accent-cyan);
  padding-left: 14px;
  color: var(--text-muted);
  margin: 14px 0;
  font-style: italic;
}

/* Keyboard focus rings */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* Glassmorphism Utilities */
.glass {
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
}

.glass-subtle {
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Section Dot Navigation (Right Rail) */
.dot-nav {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 400;
}

.dot-nav-item {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
  position: relative;
}

.dot-nav-item:hover,
.dot-nav-item.active {
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan);
  transform: scale(1.3);
}

.dot-nav-item .tooltip {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(10, 16, 32, 0.9);
  color: var(--text-main);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-family: var(--font-sans);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  border: 1px solid var(--border-subtle);
}

.dot-nav-item:hover .tooltip {
  opacity: 1;
}

@media (max-width: 1100px) {
  .dot-nav { display: none; }
}

/* Metric Counter Formatting */
.metric-val {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 768px) {
  .terminal-copy-btn { width: 100%; justify-content: center; }
  .skill-grid { grid-template-columns: 1fr; }
  .workflows-grid { grid-template-columns: 1fr; }
  .packages-grid { grid-template-columns: 1fr; }
  .install-grid { grid-template-columns: 1fr; }
  .stepper-timeline { padding-left: 20px; }
  .stepper-dot { left: -20px; }
}