/* Northbound — landing styles */
:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --ink: #1a1d23;
  --ink-muted: #5c6570;
  --accent: #0b5fff;
  --accent-hover: #0947c7;
  --accent-soft: #e8f0ff;
  --border: #e2e6eb;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(26, 29, 35, 0.06), 0 8px 24px rgba(26, 29, 35, 0.04);
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --max: 720px;
  --wide: 960px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.wrap-wide {
  width: min(100% - 2rem, var(--wide));
  margin-inline: auto;
}

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  width: min(100% - 2rem, var(--wide));
  margin-inline: auto;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.logo span { color: var(--accent); }

.nav-cta {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.nav-cta:hover { text-decoration: underline; }

/* Hero */
.hero {
  padding: 3.5rem 0 3rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.hero .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(1.85rem, 4.5vw, 2.65rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin-bottom: 1rem;
  max-width: 22ch;
}

.hero .tagline {
  font-size: 1.15rem;
  color: var(--ink-muted);
  max-width: 36ch;
  margin-bottom: 1.75rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  cursor: pointer;
}

.btn:hover { text-decoration: none; }

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

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

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--ink-muted);
  color: var(--ink);
}

.hero .fine {
  font-size: 0.85rem;
  color: var(--ink-muted);
}

/* Sections */
section {
  padding: 3.25rem 0;
}

section + section {
  border-top: 1px solid var(--border);
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

h2 {
  font-size: clamp(1.4rem, 3vw, 1.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.lead {
  color: var(--ink-muted);
  margin-bottom: 1.75rem;
  max-width: 42ch;
}

/* For whom */
.audience-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .audience-grid { grid-template-columns: 1fr 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  box-shadow: var(--shadow);
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.card p {
  font-size: 0.95rem;
  color: var(--ink-muted);
}

/* What you get */
.benefits {
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.benefits li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}

.benefits .icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.benefits strong {
  display: block;
  margin-bottom: 0.15rem;
  font-size: 1rem;
}

.benefits span {
  font-size: 0.92rem;
  color: var(--ink-muted);
}

/* Topics */
.topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.topic {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  font-size: 0.9rem;
  color: var(--ink);
}

/* Pricing */
.pricing-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 560px) {
  .pricing-grid { grid-template-columns: 1fr 1fr; }
}

.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  border-color: var(--accent);
  position: relative;
}

.price-card .badge {
  position: absolute;
  top: -0.65rem;
  left: 1.25rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}

.price-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.price-card .amount {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}

.price-card .amount small {
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink-muted);
}

.price-card .desc {
  font-size: 0.92rem;
  color: var(--ink-muted);
  margin-bottom: 1.25rem;
  flex: 1;
}

.price-card .btn { width: 100%; }

.pricing-note {
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

/* FAQ */
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  margin-bottom: 0.65rem;
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--ink-muted);
  font-weight: 400;
}

.faq details[open] summary::after { content: "−"; }

.faq details p {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: var(--ink-muted);
  padding-right: 1.5rem;
}

/* Legal / footer */
.legal-box {
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin-top: 2rem;
}

.legal-box strong { color: var(--ink); }

.site-footer {
  background: var(--ink);
  color: #a8b0bc;
  padding: 2.5rem 0;
  font-size: 0.9rem;
}

.site-footer .inner {
  width: min(100% - 2rem, var(--wide));
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 600px) {
  .site-footer .inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.site-footer .brand {
  color: #fff;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.site-footer a { color: #c5ccd6; }
.site-footer a:hover { color: #fff; }