:root {
  --bg: #faf9f7;
  --fg: #0d1b2a;
  --fg-muted: #4a5568;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --border: #e2ddd5;
  --card-bg: #ffffff;
  --nav-h: 64px;
}

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

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

/* ── NAV ── */
.nav {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 15px;
  background: var(--fg);
  color: var(--bg);
  width: 32px; height: 32px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: -0.5px;
}
.brand-name {
  font-family: 'Playfair Display', serif;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.3px;
}

/* ── HERO ── */
.hero {
  padding: 80px 48px 72px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent-dark);
}
.hero-sub {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 460px;
}

/* flow diagram */
.flow-diagram {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.flow-step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.flow-step:last-child { border-bottom: none; }
.flow-icon {
  width: 44px; height: 44px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--fg);
  flex-shrink: 0;
}
.flow-icon-accent { background: var(--accent); border-color: var(--accent); color: white; }
.flow-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.3;
}
.flow-sub { font-weight: 400; color: var(--fg-muted); font-size: 12px; }
.flow-arrow {
  display: flex;
  justify-content: center;
  padding: 4px 0;
  color: var(--accent);
}

/* ── PROBLEM ── */
.problem {
  padding: 80px 48px;
  background: var(--fg);
  color: var(--bg);
}
.problem-inner { max-width: 1100px; margin: 0 auto; }
.problem-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.problem-body h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 48px;
  letter-spacing: -0.5px;
}
.problem-body h2 em { font-style: italic; color: var(--accent); }
.problem-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.problem-col p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(250,249,247,0.75);
}

/* ── HOW ── */
.how { padding: 80px 48px; }
.how-inner { max-width: 1100px; margin: 0 auto; }
.how-header { margin-bottom: 56px; }
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 12px;
}
.how-header h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.4px;
}
.how-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--border);
}
.how-step {
  padding: 36px 40px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.how-step:nth-child(even) { border-right: none; }
.how-step:nth-child(3), .how-step:nth-child(4) { border-bottom: none; }
.step-num {
  font-family: 'Playfair Display', serif;
  font-size: 40px;
  font-weight: 700;
  color: var(--border);
  margin-bottom: 16px;
  line-height: 1;
}
.step-body h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}
.step-body p { font-size: 14px; color: var(--fg-muted); line-height: 1.7; }

/* ── FEATURES ── */
.features { padding: 80px 48px; background: #fff; }
.features-inner { max-width: 1100px; margin: 0 auto; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--card-bg);
  padding: 32px 28px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--bg); }
.feature-icon {
  width: 44px; height: 44px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--fg);
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
}
.feature-card p { font-size: 13px; color: var(--fg-muted); line-height: 1.65; }

/* ── BUILT FOR ── */
.builtfor { padding: 80px 48px; border-top: 1px solid var(--border); }
.builtfor-inner { max-width: 1100px; margin: 0 auto; }
.builtfor-header { margin-bottom: 48px; }
.builtfor-header h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.4px;
}
.builtfor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.builtfor-item h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
}
.builtfor-item p { font-size: 13px; color: var(--fg-muted); line-height: 1.65; }
.builtfor-icon {
  width: 40px; height: 40px;
  background: var(--fg);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ── CLOSING ── */
.closing {
  padding: 96px 48px;
  background: var(--fg);
  text-align: center;
}
.closing-statement {
  font-family: 'Playfair Display', serif;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 400;
  font-style: italic;
  color: rgba(250,249,247,0.9);
  line-height: 1.5;
  max-width: 700px;
  margin: 0 auto;
}

/* ── FOOTER ── */
.footer {
  padding: 24px 48px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Playfair Display', serif;
  font-size: 14px;
}
.footer-copy { font-size: 12px; color: var(--fg-muted); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero, .problem, .how, .features, .builtfor, .closing { padding: 48px 24px; }
  .nav { padding: 0 24px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .problem-split { grid-template-columns: 1fr; gap: 24px; }
  .how-steps { grid-template-columns: 1fr; }
  .how-step { border-right: none; }
  .how-step:nth-child(3), .how-step:nth-child(4) { border-bottom: 1px solid var(--border); }
  .how-step:last-child { border-bottom: none; }
  .features-grid { grid-template-columns: 1fr; }
  .builtfor-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 12px; }
}