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

:root {
  --bg: #07090f;
  --bg-2: #0d1117;
  --surface: #141c28;
  --surface-2: #1a2436;
  --border: #1e2d42;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --accent-mid: rgba(245, 158, 11, 0.25);
  --green: #22c55e;
  --green-dim: rgba(34, 197, 94, 0.12);
  --red-dim: rgba(239, 68, 68, 0.1);
  --text: #e8edf5;
  --text-2: #8b9ab5;
  --text-3: #4a5a73;
  --font: 'Sora', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --radius: 8px;
  --max-w: 1100px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-mid);
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}

/* HERO */
.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 28px 96px;
  text-align: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 100%);
}
.hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
}
.hero-content {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
}
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-headline {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}
.hero-headline br { display: block; }
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.7;
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  max-width: 700px;
  margin: 0 auto;
}
.stat {
  flex: 1;
  padding: 20px 24px;
  text-align: center;
}
.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  font-family: var(--mono);
}
.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-3);
  margin-top: 4px;
  line-height: 1.4;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* SECTIONS SHARED */
section { padding: 72px 28px; }
.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-headline {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 56px;
}

/* WHAT IT DOES */
.what-it-does { background: var(--bg-2); }
.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.capability {
  background: var(--surface);
  padding: 36px 32px;
  position: relative;
  transition: background 0.2s;
}
.capability:hover { background: var(--surface-2); }
.cap-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-mid);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}
.capability h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.capability p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}

/* HOW IT WORKS */
.how-it-works { background: var(--bg); }
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.step:first-child { border-top: 1px solid var(--border); }
.step-number {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 500;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  min-width: 56px;
}
.step-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.step-body p {
  font-size: 0.9rem;
  color: var(--text-2);
  max-width: 480px;
  line-height: 1.65;
}
.step-connector { display: none; }

/* DIFFERENCE */
.difference { background: var(--bg-2); }
.comparison-table {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.comparison-row {
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.comparison-row:last-child { border-bottom: none; }
.comparison-header {
  background: var(--surface);
}
.comparison-header > div {
  padding: 16px 20px;
}
.comparison-feature {
  padding: 16px 20px;
  color: var(--text-2);
  font-weight: 500;
  border-right: 1px solid var(--border);
}
.comparison-col-label {
  color: var(--text-2);
  font-size: 0.78rem;
  line-height: 1.4;
}
.comparison-col-label span { color: var(--text-3); }
.comparison-col-label--engine {
  color: var(--accent);
  font-weight: 600;
}
.comparison-val {
  padding: 16px 20px;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-2);
}
.comparison-val--yes {
  color: var(--green);
  font-weight: 500;
  background: var(--green-dim);
}
.comparison-val--no { color: var(--text-3); }

/* CLOSING */
.closing {
  background: var(--bg);
  padding: 96px 28px;
}
.closing-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 24px;
}
.closing p {
  color: var(--text-2);
  line-height: 1.75;
  font-size: 0.95rem;
}
.closing p + p { margin-top: 16px; }
.closing-cta {
  color: var(--accent) !important;
  font-weight: 500 !important;
  font-size: 0.95rem !important;
  margin-top: 24px !important;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
  letter-spacing: -0.01em;
  display: block;
}
.footer-desc {
  font-size: 0.75rem;
  color: var(--text-3);
  display: block;
  margin-top: 2px;
}
.footer-meta {
  font-size: 0.75rem;
  color: var(--text-3);
}
.footer-meta a {
  color: var(--text-2);
  text-decoration: none;
}
.footer-meta a:hover { color: var(--accent); }

/* RESPONSIVE */
@media (max-width: 700px) {
  .hero { padding: 60px 20px 72px; }
  section { padding: 56px 20px; }
  .capability-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; }
  .stat-divider { width: 100%; height: 1px; }
  .comparison-row { grid-template-columns: 1fr; }
  .comparison-feature { border-right: none; border-bottom: 1px solid var(--border); padding: 12px 16px; }
  .comparison-col-label, .comparison-val { padding: 12px 16px; }
  .step { gap: 16px; }
  .step-number { min-width: 40px; font-size: 1.5rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}