/* ── Base — Light minimal SaaS palette (Linear/Notion style) ── */
:root {
  --bg: #FFFFFF;
  --surface: #F9FAFB;
  --fg: #111827;
  --fg-dim: #6B7280;
  --accent: #4F46E5;
  --accent-dim: rgba(79, 70, 229, 0.08);
  --border: #E5E7EB;
  --border-light: #F3F4F6;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Nav ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-dim);
  font-weight: 300;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── Hero ── */
.hero {
  padding: 6rem 3rem 5rem;
  max-width: 1100px;
}

.hero-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 1.75rem;
}

.hero-sub {
  max-width: 580px;
  font-size: 1.1rem;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}

.stat {
  padding: 0 2rem;
}

.stat:first-child { padding-left: 0; }

.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--fg-dim);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ── Manifesto ── */
.manifesto {
  background: var(--surface);
  padding: 6rem 3rem;
}

.manifesto-inner { max-width: 720px; }

.manifesto-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.manifesto-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.manifesto-body {
  font-size: 1rem;
  color: var(--fg-dim);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

/* ── Features ── */
.features {
  padding: 7rem 3rem;
  max-width: 1100px;
}

.features-header { margin-bottom: 3.5rem; }

.section-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.features-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5px;
  background: var(--border);
  border: 1.5px solid var(--border);
}

.feature-card {
  background: var(--bg);
  padding: 2.5rem 2rem;
}

.feature-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
  font-weight: 400;
}

.feature-name {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

/* ── Outcomes ── */
.outcomes {
  background: var(--surface);
  padding: 6rem 3rem;
}

.outcomes-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.outcomes-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.outcome-list { max-width: 680px; }

.outcome-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.outcome-marker {
  width: 8px;
  height: 8px;
  min-width: 8px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 0.55rem;
}

.outcome-text {
  font-size: 1rem;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* ── Process ── */
.process {
  padding: 7rem 3rem;
  max-width: 900px;
}

.process-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.process-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 3rem;
  max-width: 560px;
}

.step-list { display: flex; flex-direction: column; gap: 0; }

.step {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child { border-bottom: none; }

.step-number {
  font-family: 'Syne', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  min-width: 2.5rem;
  padding-top: 0.2rem;
}

.step-name {
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

/* ── Closing ── */
.closing {
  background: var(--accent);
  padding: 6rem 3rem;
  text-align: center;
}

.closing-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.closing-body {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 400;
}

/* ── Footer ── */
.footer {
  padding: 2rem 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.footer-tagline {
  font-size: 0.78rem;
  color: var(--fg-dim);
  font-weight: 300;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav { padding: 1.25rem 1.5rem; }
  .hero { padding: 4rem 1.5rem 3rem; }
  .manifesto { padding: 4rem 1.5rem; }
  .features { padding: 4rem 1.5rem; }
  .outcomes { padding: 4rem 1.5rem; }
  .process { padding: 4rem 1.5rem; }
  .closing { padding: 4rem 1.5rem; }
  .footer { padding: 1.5rem; }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .stat-divider { display: none; }
  .stat { padding: 0; }

  .step { gap: 1rem; }

  .footer { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}