/* ─────────────────────────────────────────────
   Design Tokens
───────────────────────────────────────────── */
:root {
  --bg:          #FAFAF8;
  --white:       #FFFFFF;
  --text:        #0A0A0F;
  --muted:       #6B7280;
  --navy:        #1B3A6B;
  --navy-tint:   #EEF2FF;
  --navy-border: #C7D7F5;
  --border:      #E5E7EB;
  --ghost-border:#D1D5DB;
  --ghost-text:  #374151;
  --footer-muted:#9CA3AF;
}

/* ─────────────────────────────────────────────
   Reset / Base
───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ─────────────────────────────────────────────
   Typography
───────────────────────────────────────────── */
h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
}

h1 {
  font-size: clamp(42px, 7vw, 72px);
  line-height: 1.05;
  font-weight: 700;
  margin: 0 0 20px;
  color: var(--text);
}

h2 {
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 16px;
  color: var(--text);
}

h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--text);
}

/* ─────────────────────────────────────────────
   Navigation
───────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 40px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.nav nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: var(--ghost-text);
}

.nav nav a { transition: color 0.15s; }
.nav nav a:hover { color: var(--navy); }

.nav-cta {
  background: var(--navy) !important;
  color: var(--white) !important;
  border-radius: 999px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  transition: opacity 0.15s;
}
.nav-cta:hover { opacity: 0.88; color: var(--white) !important; }

/* ─────────────────────────────────────────────
   Section Layout
───────────────────────────────────────────── */
.section {
  width: min(1080px, 92vw);
  margin: 0 auto;
  padding: 80px 0;
}

/* ─────────────────────────────────────────────
   Eyebrow Badge
───────────────────────────────────────────── */
.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  background: var(--navy-tint);
  border: 1px solid var(--navy-border);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
  font-family: Inter, sans-serif;
}

.eyebrow-badge .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--navy);
  margin-right: 7px;
  flex-shrink: 0;
}

/* ─────────────────────────────────────────────
   Hero — Asymmetric Grid
───────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: 48px;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 100px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.sub {
  color: var(--muted);
  font-size: clamp(16px, 2vw, 19px);
  max-width: 560px;
  margin: 0 0 28px;
  line-height: 1.65;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-points li {
  color: var(--muted);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-points li::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--navy);
  flex-shrink: 0;
}

/* Graph paper visual column */
.hero-visual {
  display: flex;
  align-items: stretch;
}

.graph-paper {
  width: 100%;
  min-height: 380px;
  border-radius: 16px;
  background-image:
    linear-gradient(rgba(27, 58, 107, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 58, 107, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  background-color: var(--white);
  border: 1px solid var(--border);
}

/* ─────────────────────────────────────────────
   Buttons
───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 15px;
  font-family: Inter, sans-serif;
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
}
.btn-primary:hover { opacity: 0.88; }

.btn-ghost {
  background: transparent;
  color: var(--ghost-text);
  border-color: var(--ghost-border);
}
.btn-ghost:hover { background: #F3F4F6; }

/* ─────────────────────────────────────────────
   Section Head
───────────────────────────────────────────── */
.section-head {
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* ─────────────────────────────────────────────
   Cards — Testimonials
───────────────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
  margin: 0;
}

.card p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
}

.card footer {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

/* Featured testimonials — navy left accent */
.card--featured {
  border-left: 3px solid var(--navy);
}

/* ─────────────────────────────────────────────
   Features Grid
───────────────────────────────────────────── */
.features-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.feature {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ─────────────────────────────────────────────
   CTA Section
───────────────────────────────────────────── */
.cta-section {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 48px;
  padding: 64px 40px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
}

.cta-section p {
  color: var(--muted);
  font-size: 17px;
  max-width: 480px;
  margin: 0 0 8px;
}

.cta-section small {
  color: var(--muted);
  font-size: 13px;
  margin-top: 12px;
}

.cta-section small a {
  color: var(--navy);
  font-weight: 500;
}

/* ─────────────────────────────────────────────
   Lead Form
───────────────────────────────────────────── */
.lead-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(540px, 100%);
  margin: 20px auto 0;
}

.lead-form input {
  border-radius: 8px;
  border: 1px solid var(--ghost-border);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  padding: 14px 16px;
  font-family: Inter, sans-serif;
  outline: none;
  transition: border-color 0.15s;
}

.lead-form input::placeholder { color: var(--muted); }
.lead-form input:focus { border-color: var(--navy); }

/* ─────────────────────────────────────────────
   Footer
───────────────────────────────────────────── */
.footer {
  text-align: center;
  color: var(--footer-muted);
  padding: 28px 20px;
  background: var(--white);
  border-top: 1px solid var(--border);
  font-size: 13px;
}

/* ─────────────────────────────────────────────
   Responsive
───────────────────────────────────────────── */
@media (max-width: 759px) {
  .nav { padding: 14px 20px; }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .hero-visual { display: none; }

  .cta-section { padding: 40px 24px; }
}

@media (min-width: 760px) {
  .testimonials-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .features-grid     { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .lead-form {
    flex-direction: row;
  }
  .lead-form input { flex: 1; }
}

@media (min-width: 1100px) {
  .features-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}