:root {
  --bg: #080c14;
  --bg-card: #0d1420;
  --bg-card-hover: #111a29;
  --fg: #e8ecf4;
  --fg-muted: #8896ab;
  --fg-subtle: #4a5568;
  --accent: #f59e0b;
  --accent-dim: rgba(245,158,11,0.12);
  --purple: #a78bfa;
  --mint: #34d399;
  --pink: #f472b6;
  --border: rgba(255,255,255,0.07);
  --radius: 14px;
  --radius-sm: 8px;
}

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

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;
}

/* ── Typography ── */
h1, h2, h3 { font-family: 'Fraunces', Georgia, serif; line-height: 1.15; }

/* ── Layout ── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ── NAV ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8,12,20,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(245,158,11,0.12) 0%, transparent 70%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 100%);
}

.hero-inner {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  padding: 120px 48px 100px;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(245,158,11,0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero-headline {
  font-size: clamp(52px, 7vw, 88px);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  max-width: 680px;
}

.hero-headline em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 36px;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.pill {
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--fg-muted);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--mint);
  font-weight: 500;
}

/* ── STACK ── */
.stack {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.stack-header {
  max-width: 1120px;
  margin: 0 auto 56px;
  padding: 0 48px;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.stack-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.stack-grid {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.stack-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: background 0.2s, border-color 0.2s;
}

.stack-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
}

.stack-card:hover { border-color: rgba(255,255,255,0.14); }
.stack-card:hover::before { opacity: 1; }

.stack-card--content::before { background: linear-gradient(135deg, rgba(245,158,11,0.05) 0%, transparent 60%); }
.stack-card--outreach::before { background: linear-gradient(135deg, rgba(167,139,250,0.05) 0%, transparent 60%); }
.stack-card--support::before { background: linear-gradient(135deg, rgba(52,211,153,0.05) 0%, transparent 60%); }
.stack-card--sales::before { background: linear-gradient(135deg, rgba(244,114,182,0.05) 0%, transparent 60%); }

.stack-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.stack-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
  font-family: 'DM Sans', sans-serif;
}

.stack-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ── FEATURES ── */
.features {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg) 0%, rgba(13,20,32,0.5) 100%);
}

.features-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 48px;
}

.features-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
  margin-bottom: 56px;
}

.features-row:last-child { margin-bottom: 0; }

.feature {
  display: flex;
  flex-direction: column;
}

.feature-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
  font-family: 'DM Sans', sans-serif;
}

.feature p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── HOW ── */
.how {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.how-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 64px;
  align-items: start;
}

.how-label {
  padding-top: 8px;
}

.how-text {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--fg);
  margin-bottom: 48px;
  font-style: italic;
  max-width: 640px;
}

.how-vs {
  display: flex;
  align-items: center;
  gap: 24px;
}

.vs-item {
  flex: 1;
  padding: 20px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.vs-old { background: rgba(255,255,255,0.02); }
.vs-new { background: rgba(245,158,11,0.07); border-color: rgba(245,158,11,0.2); }

.vs-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  margin-bottom: 8px;
}

.vs-new .vs-label { color: var(--accent); }

.vs-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
}

.vs-divider {
  flex-shrink: 0;
}

/* ── MANIFESTO ── */
.manifesto {
  padding: 120px 0;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(13,20,32,0.3) 0%, var(--bg) 100%);
}

.manifesto-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 64px;
}

.manifesto-headline {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--fg);
  line-height: 1.1;
  margin-bottom: 32px;
}

.manifesto-body {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 580px;
  margin-bottom: 20px;
}

.manifesto-body:last-child { margin-bottom: 0; }

/* ── CLOSING ── */
.closing {
  padding: 120px 0 140px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 48px;
}

.closing-headline {
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--fg);
  line-height: 1.15;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-muted);
}

.footer-copy {
  font-size: 13px;
  color: var(--fg-subtle);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero-inner { padding: 80px 24px 70px; }
  .stack-grid { grid-template-columns: 1fr; padding: 0 24px; }
  .features-row { grid-template-columns: 1fr; gap: 40px; }
  .features-inner { padding: 0 24px; }
  .how-inner { grid-template-columns: 1fr; gap: 32px; padding: 0 24px; }
  .manifesto-inner { grid-template-columns: 1fr; gap: 24px; padding: 0 24px; }
  .closing-inner { padding: 0 24px; }
  .footer-inner { flex-direction: column; gap: 12px; padding: 0 24px; text-align: center; }
  .stack-header { padding: 0 24px; }
  .how-vs { flex-direction: column; }
  .vs-divider { transform: rotate(90deg); }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 42px; }
  .stack-card { padding: 24px; }
}