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

:root {
  --bg: #0D0D0D;
  --surface: #141414;
  --surface-2: #1C1C1C;
  --border: #2A2A2A;
  --fg: #E8E4DC;
  --fg-muted: #888;
  --accent: #F5A623;
  --accent-dim: rgba(245,166,35,0.12);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(13,13,13,0.85);
  backdrop-filter: blur(12px);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.02em;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,166,35,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,166,35,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
}
.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(245,166,35,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.08;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
}
.hero-lede {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 480px;
  margin-bottom: 40px;
}
.hero-stat-row {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 48px;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-stat-num {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--accent);
}
.hero-stat-label {
  font-size: 0.72rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero-stat-sep {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Terminal */
.hero-terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-dot.red { background: #FF5F57; }
.terminal-dot.yellow { background: #FEBC2E; }
.terminal-dot.green { background: #28C840; }
.terminal-title {
  margin-left: 10px;
  font-size: 0.72rem;
  color: var(--fg-muted);
  font-family: 'DM Mono', monospace;
}
.terminal-body {
  padding: 20px;
  font-family: 'DM Mono', 'Fira Code', monospace;
  font-size: 0.78rem;
  line-height: 1.8;
}
.t-prompt { color: var(--accent); margin-right: 8px; }
.t-blank { color: var(--fg-muted); opacity: 0.3; }
.t-done { color: #28C840; }
.t-check { margin-right: 6px; }
.t-action { color: var(--fg); margin-top: 4px; }
.t-ai {
  display: inline-block;
  background: var(--accent);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  margin-right: 6px;
  font-family: 'DM Sans', sans-serif;
}

/* RADAR SECTION */
.radar-section {
  padding: 100px 40px;
  border-top: 1px solid var(--border);
}
.radar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 80px;
  align-items: center;
}
.radar-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.radar-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 24px;
}
.radar-headline em { font-style: italic; color: var(--accent); }
.radar-body {
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 40px;
}
.radar-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.radar-col {
  padding: 16px;
  border-radius: 6px;
}
.radar-col.old { background: var(--surface-2); }
.radar-col.new { background: rgba(245,166,35,0.07); }
.radar-col-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.old .radar-col-label { color: var(--fg-muted); }
.new .radar-col-label { color: var(--accent); }
.radar-col-item {
  font-size: 0.82rem;
  color: var(--fg-muted);
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}
.radar-col-item:last-child { border-bottom: none; }
.new .radar-col-item { color: var(--fg); }
.radar-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.radar-graphic {
  opacity: 0.8;
}
.radar-caption {
  font-size: 0.72rem;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
}

/* FEATURES */
.features {
  padding: 100px 40px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.features-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.features-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  margin-bottom: 60px;
  max-width: 600px;
}
.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.feature-card {
  padding: 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: rgba(245,166,35,0.3); }
.feature-icon {
  margin-bottom: 20px;
}
.feature-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}
.feature-body {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* HOW SECTION */
.how-section {
  padding: 100px 40px;
  border-top: 1px solid var(--border);
}
.how-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.how-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 64px;
}
.how-headline em { font-style: italic; color: var(--accent); }
.how-steps {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.how-step {
  flex: 1;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 0;
}
.how-step-num {
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 12px;
}
.how-step h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.how-step p {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.65;
}
.how-step-arrow {
  display: flex;
  align-items: center;
  padding: 0 16px;
  padding-top: 60px;
}

/* DIFFERENCE */
.difference-section {
  padding: 100px 40px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.difference-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.diff-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.diff-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 20px;
}
.diff-body {
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}
.diff-specs {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.diff-spec {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}
.diff-spec:last-child { border-bottom: none; }
.diff-spec-label { color: var(--fg-muted); }
.diff-spec-value { color: var(--fg); }

.diff-table {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.8rem;
}
.diff-table-head, .diff-table-row {
  display: grid;
  grid-template-columns: 1.8fr 0.8fr 0.8fr 0.8fr;
  gap: 0;
}
.diff-table-head {
  background: var(--surface-2);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.diff-table-head > div {
  padding: 12px 14px;
  border-right: 1px solid var(--border);
  color: var(--fg-muted);
}
.diff-table-head > div:last-child { border-right: none; }
.diff-table-row > div {
  padding: 10px 14px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  color: var(--fg-muted);
}
.diff-table-row > div:last-child { border-right: none; }
.diff-table-row:last-child > div { border-bottom: none; }
.diff-table-vantage {
  background: rgba(245,166,35,0.08);
  color: var(--accent) !important;
  font-weight: 600;
}

/* MANIFESTO */
.manifesto {
  padding: 100px 40px;
  border-top: 1px solid var(--border);
}
.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.manifesto-quote {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-style: italic;
  line-height: 1.4;
  color: var(--fg);
  margin-bottom: 32px;
  position: relative;
}
.manifesto-quote::before {
  content: '';
  display: block;
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 28px;
}
.manifesto-body {
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Playfair Display', serif;
  font-size: 0.95rem;
  font-weight: 600;
}
.footer-tagline {
  font-size: 0.82rem;
  color: var(--fg-muted);
}
.footer-meta {
  font-size: 0.72rem;
  color: var(--fg-muted);
  opacity: 0.5;
  letter-spacing: 0.05em;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .how-steps {
    flex-direction: column;
  }
  .how-step-arrow {
    transform: rotate(90deg);
    padding: 8px 0;
  }
  .difference-inner {
    grid-template-columns: 1fr;
  }
  .radar-inner {
    grid-template-columns: 1fr;
  }
  .radar-visual {
    display: none;
  }
  .nav {
    padding: 0 20px;
  }
  .hero, .radar-section, .features, .how-section, .difference-section, .manifesto, .footer {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 480px) {
  .hero-stat-row {
    flex-wrap: wrap;
    gap: 16px;
  }
  .hero-stat-sep { display: none; }
  .radar-comparison {
    grid-template-columns: 1fr;
  }
}