:root {
  --bg: #f7f6f3;
  --surface: #ffffff;
  --ink: #1c2230;
  --ink-soft: #4b5468;
  --border: #e4e1da;
  --navy: #16233f;
  --navy-soft: #2c3c60;
  --accent: #b8874f;
  --on-navy: #f4f1ea;
  --brand-navy: #16233f;
  --radius: 10px;
  --max-width: 1120px;
  font-size: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151c;
    --surface: #191d27;
    --ink: #eceef2;
    --ink-soft: #a9afbc;
    --border: #2a2f3b;
    --navy: #dfe6f5;
    --navy-soft: #b9c4dd;
    --accent: #d9a869;
    --on-navy: #12151c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

h1, h2, h3 { color: var(--navy); line-height: 1.2; }
h1 { font-weight: 700; }

/* Header */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
}

.brand-name {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 28px;
  margin-right: auto;
  margin-left: 40px;
}

.nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.nav a:hover { color: var(--navy); }

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 8px;
  padding: 12px 24px;
  border: 1px solid transparent;
  transition: transform 0.1s ease, opacity 0.15s ease;
}

.btn:hover { opacity: 0.9; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--navy);
  color: var(--on-navy);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--navy);
}

.btn-sm { padding: 8px 18px; font-size: 0.9rem; }
.btn-lg { padding: 15px 32px; font-size: 1.05rem; }

/* Hero */

.hero {
  padding: 88px 0 96px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 16px;
}

.hero h1 {
  font-size: clamp(2.1rem, 3.6vw, 2.9rem);
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}

.lede {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 520px;
  margin: 0;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* Hero visual (illustrative mockup, not a product screenshot) */

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mock-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 20px 40px -24px rgba(22, 35, 63, 0.35);
}

.mock-chat { margin-left: 24px; }
.mock-plan { margin-right: 24px; }

.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  margin-bottom: 12px;
}

.mock-line {
  height: 8px;
  border-radius: 4px;
  background: var(--border);
  margin-bottom: 8px;
}

.mock-line.short { width: 55%; }

.mock-bubble {
  margin-top: 12px;
  background: var(--bg);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.mock-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}

.mock-row .mock-line { margin: 0; flex: 1; }

.mock-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink-soft);
  background: var(--bg);
  border-radius: 6px;
  padding: 4px 8px;
  white-space: nowrap;
}

.mock-tag.accent {
  background: var(--accent);
  color: #fff;
}

/* Sections */

.section {
  padding: 72px 0;
}

.section.alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section h2 {
  font-size: 1.75rem;
  margin: 0 0 36px;
  text-align: center;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.card p, .feature p {
  color: var(--ink-soft);
  margin: 0;
  font-size: 0.95rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--navy);
  color: var(--on-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.feature-icon svg { width: 20px; height: 20px; }

.feature h3 {
  margin: 10px 0 8px;
  font-size: 1.1rem;
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--border);
  color: var(--ink-soft);
}

.tag-first {
  background: var(--accent);
  color: #fff;
}

/* How it works */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--on-navy);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.step p {
  color: var(--ink-soft);
  margin: 0;
  font-size: 0.95rem;
}

/* CTA */

.cta {
  background: var(--brand-navy);
}

.cta-inner {
  text-align: center;
}

.cta h2 {
  color: #f4f1ea;
  margin-bottom: 12px;
}

.cta p {
  color: #f4f1ea;
  opacity: 0.75;
  max-width: 480px;
  margin: 0 auto 32px;
}

.cta .btn-primary {
  background: var(--accent);
  color: #fff;
}

/* Footer */

.site-footer {
  padding: 40px 0 48px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.footer-inner .brand-name { font-size: 1.05rem; }

.disclaimer, .copyright {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* Responsive */

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .lede { max-width: none; }
  .nav { display: none; }
}