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

:root {
  --bg-primary: #050508;
  --bg-secondary: #0a0a10;
  --bg-card: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(255,255,255,0.06);
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --text-muted: #555568;
  --accent-1: #8b6cf6;
  --accent-2: #34d8b4;
  --accent-3: #f472b6;
  --accent-4: #fbbf24;
  --gradient-hero: linear-gradient(135deg, #8b6cf6 0%, #34d8b4 50%, #f472b6 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(139,108,246,0.08), rgba(52,216,180,0.04));
  --border: rgba(255,255,255,0.05);
  --border-hover: rgba(139,108,246,0.25);
  --radius: 2rem;
  --radius-sm: 1.25rem;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 80px rgba(139,108,246,0.12);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.32, 0.72, 0, 1);
}

[data-theme="light"] {
  --bg-primary: #fafbfe;
  --bg-secondary: #f0f1f6;
  --bg-card: rgba(0,0,0,0.02);
  --bg-card-hover: rgba(0,0,0,0.04);
  --text-primary: #12122a;
  --text-secondary: #5a5a78;
  --text-muted: #9090a8;
  --accent-1: #7052e0;
  --accent-2: #0faa88;
  --accent-3: #e0457b;
  --gradient-hero: linear-gradient(135deg, #7052e0 0%, #0faa88 50%, #e0457b 100%);
  --border: rgba(0,0,0,0.06);
  --border-hover: rgba(112,82,224,0.25);
  --shadow: 0 8px 32px rgba(0,0,0,0.04);
  --shadow-glow: 0 0 60px rgba(112,82,224,0.06);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.5s var(--ease-spring), color 0.5s var(--ease-spring);
}

/* Noise overlay */
body::after {
  content: ''; position: fixed; inset: 0; z-index: 50;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.02;
}

/* ===== NAV — Floating Glass Pill ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.25rem 2rem 0;
  transition: all 0.5s var(--ease-spring);
}
.nav-inner {
  max-width: 900px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 56px; padding: 0 1.5rem;
  background: rgba(10,10,16,0.6);
  backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 100px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2), inset 0 1px 1px rgba(255,255,255,0.04);
}
[data-theme="light"] .nav-inner {
  background: rgba(250,251,254,0.7);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06), inset 0 1px 1px rgba(255,255,255,0.6);
}
.nav-logo {
  font-size: 1.1rem; font-weight: 800; letter-spacing: -0.5px;
  background: var(--gradient-hero); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  text-decoration: none;
}
.nav-links { display: flex; gap: 1.75rem; list-style: none; }
.nav-links a {
  color: var(--text-secondary); text-decoration: none; font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.4s var(--ease-spring);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-right { display: flex; align-items: center; gap: 0.5rem; }
.nav-toggle {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.06);
  color: var(--text-secondary); padding: 0.35rem 0.55rem; border-radius: 100px;
  font-size: 0.75rem; cursor: pointer; transition: all 0.4s var(--ease-spring); line-height: 1;
}
.nav-toggle:hover { color: var(--text-primary); background: rgba(255,255,255,0.08); }
[data-theme="light"] .nav-toggle { background: rgba(0,0,0,0.03); border-color: rgba(0,0,0,0.06); }
.nav-cta {
  padding: 0.4rem 1.1rem; border-radius: 100px; font-size: 0.8rem; font-weight: 600;
  background: var(--accent-1); color: white; text-decoration: none;
  transition: all 0.5s var(--ease-spring);
  box-shadow: 0 2px 12px rgba(139,108,246,0.3);
}
.nav-cta:hover { transform: translateY(-1px) scale(1.02); box-shadow: 0 6px 24px rgba(139,108,246,0.4); }

/* ===== HERO ===== */
.hero {
  min-height: 100dvh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 8rem 2rem 6rem;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -40%; left: -30%;
  width: 160%; height: 160%;
  background:
    radial-gradient(ellipse 600px 400px at 35% 25%, rgba(139,108,246,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 500px 350px at 65% 70%, rgba(52,216,180,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 50% 50%, rgba(244,114,182,0.05) 0%, transparent 70%);
  animation: heroOrb 25s ease-in-out infinite;
}
@keyframes heroOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(3%, -2%) scale(1.02); }
  66% { transform: translate(-2%, 3%) scale(0.98); }
}
[data-theme="light"] .hero::before { opacity: 0.5; }
.hero-content { position: relative; z-index: 1; max-width: 780px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 1.1rem; border-radius: 100px;
  background: rgba(139,108,246,0.08); border: 1px solid rgba(139,108,246,0.15);
  font-size: 0.7rem; font-weight: 600; color: var(--accent-1);
  text-transform: uppercase; letter-spacing: 0.15em;
  margin-bottom: 2.5rem;
}
.hero-badge .dot {
  width: 6px; height: 6px; background: var(--accent-2); border-radius: 50%;
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.8); }
}
.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5rem); font-weight: 800; letter-spacing: -0.04em;
  line-height: 1.05; margin-bottom: 1.75rem;
}
.hero h1 .gradient {
  background: var(--gradient-hero); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: clamp(1rem, 2vw, 1.15rem); color: var(--text-secondary);
  max-width: 560px; margin: 0 auto 3rem; line-height: 1.8;
}
.hero-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

/* Double-Bezel Buttons */
.btn {
  padding: 0.875rem 2rem; border-radius: 100px; font-size: 0.9rem; font-weight: 600;
  text-decoration: none; cursor: pointer; border: none;
  transition: all 0.6s var(--ease-spring);
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-primary {
  background: var(--accent-1); color: white;
  box-shadow: 0 4px 20px rgba(139,108,246,0.35), inset 0 1px 1px rgba(255,255,255,0.15);
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 40px rgba(139,108,246,0.45), inset 0 1px 1px rgba(255,255,255,0.2);
}
.btn-primary:active { transform: scale(0.98); }
.btn-secondary {
  background: rgba(255,255,255,0.04); color: var(--text-primary);
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.04);
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: var(--border-hover); }
[data-theme="light"] .btn-secondary { background: rgba(0,0,0,0.02); }

.hero-stats {
  display: flex; gap: 3.5rem; justify-content: center; margin-top: 4.5rem;
  padding-top: 3rem; border-top: 1px solid var(--border);
}
.stat { text-align: center; }
.stat-num {
  font-size: 2.25rem; font-weight: 800; letter-spacing: -0.03em;
  background: var(--gradient-hero); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.25rem; letter-spacing: 0.05em; text-transform: uppercase; }

/* ===== SECTIONS ===== */
section { padding: 8rem 2rem; }
.container { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.2em;
  color: var(--accent-1); margin-bottom: 0.75rem;
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.3rem 0.9rem; border-radius: 100px;
  background: rgba(139,108,246,0.06); border: 1px solid rgba(139,108,246,0.1);
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.section-desc {
  font-size: 1rem; color: var(--text-secondary); max-width: 550px; margin-bottom: 3.5rem; line-height: 1.8;
}

/* ===== FLOW — Double-Bezel Card ===== */
.flow-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem;
  margin-top: 2rem;
}
.flow-visual > .flow-code {
  background: var(--bg-secondary);
  border-radius: calc(var(--radius) - 0.375rem);
  padding: 2.5rem;
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.04);
}
.flow-code {
  font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; color: var(--text-secondary);
  white-space: pre; line-height: 2.2;
}
.flow-code .cmd { color: var(--accent-1); font-weight: 600; }
.flow-code .arrow { color: var(--accent-2); }
.flow-code .comment { color: var(--text-muted); }

/* ===== FEATURES — Bento Grid ===== */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1rem; margin-top: 2rem;
}
/* Double-Bezel Feature Cards */
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.375rem;
  transition: all 0.6s var(--ease-spring);
  position: relative;
}
.feature-card-inner {
  background: var(--bg-secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 2rem;
  height: 100%;
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.04);
}
.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.feature-icon {
  width: 44px; height: 44px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 1.25rem;
}
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; letter-spacing: -0.01em; }
.feature-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; }

/* ===== WORKFLOWS TABLE ===== */
.workflows-section { background: var(--bg-secondary); }
.workflow-group { margin-bottom: 3rem; }
.workflow-group h3 {
  font-size: 0.7rem; font-weight: 700; color: var(--accent-2);
  margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.15em;
}
.workflow-table {
  width: 100%; border-collapse: collapse;
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.workflow-table th {
  text-align: left; padding: 1rem 1.75rem; font-size: 0.65rem;
  text-transform: uppercase; letter-spacing: 0.15em; color: var(--text-muted);
  background: rgba(255,255,255,0.01); border-bottom: 1px solid var(--border);
}
.workflow-table td {
  padding: 0.875rem 1.75rem; border-bottom: 1px solid var(--border); font-size: 0.85rem;
}
.workflow-table tr:last-child td { border-bottom: none; }
.workflow-table tr { transition: background 0.4s var(--ease-spring); }
.workflow-table tr:hover td { background: rgba(139,108,246,0.03); }
.wf-cmd {
  font-family: 'JetBrains Mono', monospace; font-weight: 600;
  color: var(--accent-1); font-size: 0.8rem;
}
.wf-persona { color: var(--accent-4); font-weight: 500; }

/* ===== ANTI-RAT ===== */
.anti-rat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem; margin-top: 2rem;
}
.excuse-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 1.5rem; display: flex; gap: 1rem;
  transition: all 0.5s var(--ease-spring);
}
.excuse-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.excuse-icon {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
}
.excuse-bad { background: rgba(244,114,182,0.08); }
[data-theme="light"] .excuse-bad { background: rgba(224,69,123,0.06); }
.excuse-text .excuse-label {
  font-family: 'JetBrains Mono', monospace; font-size: 0.75rem;
  color: var(--accent-3); font-weight: 500; margin-bottom: 0.25rem;
}
.excuse-text .excuse-reality { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== ARCHITECTURE ===== */
.arch-tiers {
  display: flex; flex-direction: column; gap: 0; margin-top: 2rem;
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.arch-tier {
  padding: 1.5rem 2rem; border-bottom: 1px solid var(--border);
  display: flex; align-items: baseline; gap: 2rem; flex-wrap: wrap;
}
.arch-tier:last-child { border-bottom: none; }
.arch-tier-name {
  font-family: 'JetBrains Mono', monospace; font-size: 0.85rem;
  font-weight: 600; color: var(--accent-1); min-width: 220px;
}
.arch-tier-desc {
  font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; color: var(--accent-2);
}
.arch-tier-sub {
  padding: 0.75rem 2rem 0.75rem 3.5rem; border-bottom: 1px solid var(--border);
  display: flex; align-items: baseline; gap: 2rem; flex-wrap: wrap;
}
.arch-tier-sub .arch-tier-name { color: var(--text-secondary); font-weight: 500; }

/* ===== INSTALL ===== */
.install-tabs { display: flex; gap: 0; margin-top: 2rem; }
.install-tab {
  padding: 0.7rem 1.4rem; cursor: pointer; font-size: 0.8rem; font-weight: 600;
  background: var(--bg-card); border: 1px solid var(--border);
  border-bottom: none; border-radius: 1rem 1rem 0 0;
  color: var(--text-secondary); transition: all 0.4s var(--ease-spring);
  font-family: 'Plus Jakarta Sans', sans-serif;
}
.install-tab.active {
  color: var(--accent-1); border-color: var(--border-hover);
  border-bottom: 2px solid var(--bg-primary); position: relative; z-index: 2;
}
.install-tab:not(.active):hover { color: var(--text-primary); }
.install-tab-label { font-size: 0.65rem; color: var(--text-muted); font-weight: 400; margin-left: 0.4rem; }
.install-panel {
  display: none; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) var(--radius-sm);
  padding: 2rem; margin-top: -1px;
}
.install-panel.active { display: block; }
.install-panel p { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 1.25rem; line-height: 1.7; }
.install-code {
  background: rgba(0,0,0,0.25); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 1.75rem; position: relative;
  font-family: 'JetBrains Mono', monospace; font-size: 0.78rem;
  overflow-x: auto; white-space: pre; line-height: 2;
}
[data-theme="light"] .install-code { background: rgba(0,0,0,0.02); }
.install-code .comment { color: var(--text-muted); }
.install-code .cmd-text { color: var(--accent-2); }
.copy-btn {
  position: absolute; top: 0.75rem; right: 0.75rem;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text-secondary); padding: 0.3rem 0.7rem; border-radius: 100px;
  font-size: 0.65rem; cursor: pointer; transition: all 0.4s var(--ease-spring);
  font-family: 'Plus Jakarta Sans', sans-serif;
}
.copy-btn:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }
[data-theme="light"] .copy-btn { background: rgba(0,0,0,0.03); }

/* ===== FOOTER ===== */
footer {
  padding: 5rem 2rem; border-top: 1px solid var(--border);
  text-align: center; color: var(--text-muted); font-size: 0.82rem;
}
footer a { color: var(--accent-1); text-decoration: none; transition: color 0.3s; }
footer a:hover { color: var(--accent-2); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  nav { padding: 0.75rem 1rem 0; }
  .nav-links { display: none; }
  .nav-inner { padding: 0 1rem; height: 48px; }
  .hero { padding: 6rem 1.25rem 4rem; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .anti-rat-grid { grid-template-columns: 1fr; }
  section { padding: 5rem 1.25rem; }
  .workflow-table th, .workflow-table td { padding: 0.75rem 1rem; }
  .arch-tier, .arch-tier-sub { flex-direction: column; gap: 0.5rem; }
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.8s var(--ease-spring), transform 0.8s var(--ease-spring);
}
.fade-in.visible { opacity: 1; transform: translateY(0); }