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

:root {
  --bg-dark: #0f1923;
  --bg-darker: #0a1118;
  --bg-card: #162233;
  --bg-card-hover: #1c2d42;
  --bg-alt: #131f2e;
  --green: #2E7D32;
  --green-light: #43A047;
  --green-glow: rgba(46, 125, 50, 0.3);
  --blue: #4A90D9;
  --blue-light: #6AA8E8;
  --blue-glow: rgba(74, 144, 217, 0.25);
  --text: #e8edf3;
  --text-dim: #8a9bb5;
  --text-muted: #5a6e87;
  --border: #1e3048;
  --border-light: #2a3f58;
  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 1200px;
  --section-pad: 100px 0;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green-light); text-decoration: none; transition: color .2s; }
a:hover { color: var(--blue-light); }

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

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 16px; }
h3 { font-size: 1.2rem; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 48px;
}

section { padding: var(--section-pad); }
.dark-section { background: var(--bg-darker); }
.alt-section { background: var(--bg-alt); }

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ===== NAV ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(15, 25, 35, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background .3s;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.1rem; color: var(--text);
}
.nav-brand img { height: 28px; width: auto; border-radius: 6px; background: white; padding: 4px 6px; }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  color: var(--text-dim); font-size: 0.88rem; font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--green);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  transition: background .2s, transform .2s;
}
.nav-cta:hover { background: var(--green-light); transform: translateY(-1px); color: #fff !important; }

.nav-hamburger {
  display: none; cursor: pointer; background: none; border: none;
  color: var(--text); font-size: 1.5rem; padding: 4px;
}

/* ===== HERO ===== */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, var(--green-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.4;
}
.hero-logo {
  height: 120px;
  width: auto;
  border-radius: 18px;
  margin-bottom: 36px;
  background: white;
  padding: 20px 60px;
  box-shadow: 0 0 80px var(--green-glow), 0 4px 24px rgba(0, 0, 0, 0.3);
}
.hero h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text) 0%, var(--blue-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--text-dim);
  margin-bottom: 8px;
  font-weight: 400;
}
.hero-tagline {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--text-muted);
  margin-bottom: 36px;
}

.hero-install {
  background: var(--bg-darker);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  max-width: 720px;
  margin: 0 auto 32px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-install code {
  flex: 1;
  padding: 16px 20px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.82rem;
  color: var(--green-light);
  white-space: nowrap;
  overflow-x: auto;
  text-align: left;
}
.copy-btn {
  background: var(--bg-card);
  border: none;
  border-left: 1px solid var(--border-light);
  color: var(--text-dim);
  padding: 16px 20px;
  cursor: pointer;
  font-size: 0.88rem;
  transition: background .2s, color .2s;
  white-space: nowrap;
}
.copy-btn:hover { background: var(--bg-card-hover); color: var(--text); }
.copy-btn.copied { color: var(--green-light); }

.hero-buttons {
  display: flex; gap: 16px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 32px;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all .2s;
  border: none; cursor: pointer;
}
.btn-primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 4px 20px var(--green-glow);
}
.btn-primary:hover {
  background: var(--green-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--green-glow);
  color: #fff;
}
.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
}
.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--blue);
  transform: translateY(-2px);
}

.badges {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--text-dim);
  font-weight: 500;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green-light);
  display: inline-block;
}

/* ===== PROBLEM ===== */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color .3s, transform .3s;
}
.problem-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
}
.problem-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}
.problem-card h3 { margin-bottom: 8px; color: var(--text); }
.problem-card p { color: var(--text-dim); font-size: 0.92rem; }

.problem-quote {
  text-align: center;
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text);
  max-width: 700px;
  margin: 0 auto;
  padding: 32px;
  border-left: 3px solid var(--green);
  background: var(--bg-card);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ===== ARCHITECTURE ===== */
.arch-diagram {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}
.arch-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.arch-node {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 16px 24px;
  text-align: center;
  font-weight: 600;
  font-size: 0.92rem;
  position: relative;
  transition: all .3s;
  min-width: 140px;
}
.arch-node:hover {
  border-color: var(--green);
  box-shadow: 0 0 20px var(--green-glow);
}
.arch-node.human { border-color: var(--blue); background: linear-gradient(135deg, var(--bg-card) 0%, rgba(74,144,217,0.1) 100%); }
.arch-node.reeves-node { border-color: var(--green); background: linear-gradient(135deg, var(--bg-card) 0%, rgba(46,125,50,0.15) 100%); }
.arch-node.bus { border-color: #e6a817; background: linear-gradient(135deg, var(--bg-card) 0%, rgba(230,168,23,0.1) 100%); }
.arch-node.context { border-color: #9C27B0; background: linear-gradient(135deg, var(--bg-card) 0%, rgba(156,39,176,0.1) 100%); }
.arch-node.dispatcher { border-color: #FF5722; background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255,87,34,0.1) 100%); }
.arch-node.driver { border-color: var(--text-muted); }

.arch-node-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
  font-weight: 400;
}

.arch-arrow {
  display: flex; justify-content: center; margin: 8px 0;
}
.arch-arrow-line {
  width: 2px; height: 32px;
  background: linear-gradient(180deg, var(--green) 0%, var(--green-light) 100%);
  position: relative;
  animation: pulse-arrow 2s ease-in-out infinite;
}
@keyframes pulse-arrow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; box-shadow: 0 0 8px var(--green-glow); }
}
.arch-arrow-line::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 50%; transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--green-light);
}

.arch-side-arrow {
  color: var(--text-muted);
  font-size: 1.4rem;
  animation: pulse-arrow 2s ease-in-out infinite;
}

.arch-drivers {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}

/* ===== FEATURE GRID ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all .3s;
}
.feature-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
  display: block;
}
.feature-card h3 { margin-bottom: 6px; font-size: 1.05rem; }
.feature-card p { color: var(--text-dim); font-size: 0.88rem; line-height: 1.6; flex: 1; }
.feature-card { display: flex; flex-direction: column; }
.feature-cmd {
  display: inline-block;
  margin-top: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.5;
  letter-spacing: 0.02em;
}

/* ===== TESTIMONIALS ===== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: left;
  transition: border-color .3s, transform .3s;
}
.testimonial-card:hover {
  border-color: var(--green);
  transform: translateY(-2px);
}
.testimonial-quote {
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 20px;
}
.testimonial-meta {
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.testimonial-result {
  color: var(--green-light);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
@media (max-width: 768px) {
  .testimonial-grid { grid-template-columns: 1fr; }
}

/* ===== DASH ===== */
.dash-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  margin: 48px 0;
}
.dash-step {
  display: flex; flex-direction: column; align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  min-width: 130px;
  text-align: center;
  transition: all .3s;
}
.dash-step:hover { border-color: var(--green); transform: translateY(-4px); }
.dash-step-icon { font-size: 1.8rem; margin-bottom: 8px; }
.dash-step-label { font-weight: 600; font-size: 0.88rem; }
.dash-step-sub { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }

.dash-connector {
  font-size: 1.2rem; color: var(--green-light); padding: 0 6px;
  animation: pulse-arrow 2s ease-in-out infinite;
}

.dash-desc {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.8;
}

/* ===== CONTEXT ENGINE ===== */
.context-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.context-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all .3s;
}
.context-card:hover {
  border-color: #9C27B0;
  transform: translateY(-4px);
}
.context-card-file {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: #9C27B0;
  margin-bottom: 8px;
}
.context-card h3 { font-size: 1rem; margin-bottom: 6px; }
.context-card p { color: var(--text-dim); font-size: 0.85rem; }

.context-sources {
  display: flex; gap: 24px; justify-content: center; flex-wrap: wrap;
  margin: 32px 0;
}
.context-source {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

/* ===== COMPARISON TABLE ===== */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.comparison-table th,
.comparison-table td {
  padding: 14px 18px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.comparison-table th {
  background: var(--bg-card);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}
.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text);
}
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tbody tr:hover { background: var(--bg-card); }

.col-reeves {
  background: rgba(46, 125, 50, 0.06) !important;
  border-left: 2px solid var(--green) !important;
  border-right: 2px solid var(--green) !important;
}
.col-reeves-head {
  background: rgba(46, 125, 50, 0.15) !important;
  color: var(--green-light) !important;
  border-left: 2px solid var(--green) !important;
  border-right: 2px solid var(--green) !important;
}
.check { color: var(--green-light); }
.cross { color: #555; }
.star { color: #e6a817; font-size: 0.7rem; vertical-align: super; }

/* ===== ACADEMY ===== */
.academy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 40px 0;
}
.academy-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: all .3s;
}
.academy-card:hover {
  border-color: var(--blue);
  transform: translateY(-4px);
}
.academy-card-icon { font-size: 2.2rem; margin-bottom: 16px; }
.academy-card h3 { margin-bottom: 8px; }
.academy-card p { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 16px; }
.academy-card .track-count {
  display: inline-block;
  background: var(--bg-darker);
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 0.82rem;
  color: var(--blue-light);
  font-weight: 600;
}

.academy-free {
  text-align: center;
  margin-bottom: 40px;
}
.academy-free p {
  color: var(--text-dim);
  font-size: 1rem;
  margin-bottom: 8px;
}

.academy-cta {
  text-align: center;
  margin-top: 40px;
}
.btn-accent {
  background: linear-gradient(135deg, var(--green) 0%, var(--blue) 100%);
  color: #fff;
  padding: 16px 40px;
  font-size: 1.05rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  display: inline-block;
  transition: all .2s;
  box-shadow: 0 4px 20px rgba(46,125,50,0.3);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(46,125,50,0.4);
  color: #fff;
}

/* ===== QUICK START ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.step {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  counter-increment: step;
}
.step::before {
  content: counter(step);
  position: absolute;
  top: -14px; left: 24px;
  background: var(--green);
  color: #fff;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
}
.step h3 { margin-bottom: 12px; color: var(--text); }
.step code {
  display: block;
  background: var(--bg-darker);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--green-light);
  margin-top: 8px;
  overflow-x: auto;
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
  background: var(--bg-darker);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
}
.footer-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1rem; color: var(--text);
  margin-bottom: 8px;
}
.footer-brand img { height: 28px; width: 28px; border-radius: 6px; background: white; padding: 3px; }
.footer-tagline { color: var(--text-muted); font-size: 0.85rem; }
.footer-links {
  display: flex; gap: 32px; flex-wrap: wrap;
}
.footer-links a {
  color: var(--text-dim);
  font-size: 0.88rem;
  transition: color .2s;
}
.footer-links a:hover { color: var(--text); }
.footer-copy {
  width: 100%;
  text-align: center;
  padding-top: 32px;
  margin-top: 32px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root { --section-pad: 64px 0; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--bg-darker);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }
  .hero { padding: 120px 0 60px; }
  .hero-install { flex-direction: column; }
  .hero-install code { padding: 12px 16px; font-size: 0.72rem; }
  .copy-btn { border-left: none; border-top: 1px solid var(--border-light); width: 100%; padding: 12px; }
  .arch-node { min-width: 110px; padding: 12px 16px; font-size: 0.82rem; }
  .dash-flow { gap: 8px; }
  .dash-step { min-width: 100px; padding: 16px 12px; }
  .dash-connector { padding: 0 2px; font-size: 1rem; }
  .comparison-table { font-size: 0.78rem; }
  .comparison-table th, .comparison-table td { padding: 10px 12px; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.5rem; }
  .btn { padding: 12px 24px; font-size: 0.88rem; }
  .problem-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .academy-grid { grid-template-columns: 1fr; }
}