:root {
  --color-primary:  #1A3A5C;
  --color-accent:   #2E86C1;
  --color-go:       #27AE60;
  --color-caution:  #E67E22;
  --color-nogo:     #C0392B;
  --color-surface:  #F4F6F8;
  --color-card:     #FFFFFF;
  --color-text:     #1C2833;
  --color-muted:    #566573;
  --color-border:   #AED6F1;
  --font-sans:      'Inter', system-ui, sans-serif;
  --font-mono:      'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-surface);
  line-height: 1.6;
}

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

/* ── Nav ──────────────────────────────────────────────────────── */

nav {
  background: var(--color-primary);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-border);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}

.nav-links a:hover { color: #fff; text-decoration: none; }

.nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-weight: 600 !important;
  transition: background 0.15s !important;
}

.nav-cta:hover { background: #1a6fa8 !important; }

/* ── Hero ─────────────────────────────────────────────────────── */

.hero {
  background: linear-gradient(160deg, var(--color-primary) 0%, #0d2238 100%);
  color: #fff;
  text-align: center;
  padding: 5rem 2rem 4rem;
}

.hero-badge {
  display: inline-block;
  background: rgba(46,134,193,0.25);
  border: 1px solid var(--color-accent);
  color: var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.hero h1 span { color: var(--color-accent); }

.hero-slogan {
  font-size: 1.15rem;
  color: var(--color-border);
  margin-bottom: 1rem;
  font-style: italic;
}

.hero-sub {
  font-size: 1.1rem;
  color: #a8c8e8;
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 0.85rem 2.2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: background 0.15s, transform 0.1s;
  box-shadow: 0 4px 16px rgba(46,134,193,0.4);
}

.btn-primary:hover {
  background: #1a6fa8;
  transform: translateY(-1px);
  text-decoration: none;
}

.hero-disclaimer {
  margin-top: 2rem;
  font-size: 0.78rem;
  color: #6a90b0;
  font-family: var(--font-mono);
}

/* ── Section shared ───────────────────────────────────────────── */

section { padding: 4.5rem 2rem; }

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section-sub {
  color: var(--color-muted);
  max-width: 600px;
  margin-bottom: 3rem;
}

/* ── Features ─────────────────────────────────────────────────── */

#features { background: var(--color-card); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: box-shadow 0.2s;
}

.feature-card:hover { box-shadow: 0 4px 18px rgba(26,58,92,0.1); }

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* ── How it works ─────────────────────────────────────────────── */

#how-it-works { background: var(--color-surface); }

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.step {
  text-align: center;
  padding: 1.5rem 1rem;
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.step h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}

.step p {
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* ── Pricing ──────────────────────────────────────────────────── */

#pricing { background: var(--color-card); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 680px;
}

.pricing-card {
  border: 1.5px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem;
  background: var(--color-surface);
}

.pricing-card.featured {
  border-color: var(--color-accent);
  background: #fff;
  box-shadow: 0 4px 24px rgba(46,134,193,0.15);
}

.pricing-tier {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.pricing-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-muted);
}

.pricing-desc {
  color: var(--color-muted);
  font-size: 0.875rem;
  margin: 0.75rem 0 1.5rem;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pricing-features li {
  font-size: 0.875rem;
  color: var(--color-text);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-go);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-features li.dimmed { color: var(--color-muted); }
.pricing-features li.dimmed::before { content: '–'; color: var(--color-muted); font-weight: 400; }

.btn-outline {
  display: inline-block;
  margin-top: 1.75rem;
  padding: 0.7rem 1.5rem;
  border: 1.5px solid var(--color-accent);
  border-radius: 7px;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.15s, color 0.15s;
  width: 100%;
  text-align: center;
}

.btn-outline:hover {
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
}

/* ── Disclaimer ───────────────────────────────────────────────── */

#disclaimer {
  background: #0d2238;
  color: #a8c8e8;
  padding: 3rem 2rem;
}

#disclaimer .section-inner {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.disclaimer-icon { font-size: 2rem; flex-shrink: 0; }

#disclaimer h2 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

#disclaimer p {
  font-size: 0.85rem;
  line-height: 1.7;
  font-family: var(--font-mono);
}

/* ── Footer ───────────────────────────────────────────────────── */

footer {
  background: var(--color-primary);
  color: var(--color-border);
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
}

footer a { color: var(--color-border); }
footer a:hover { color: #fff; }

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0.75rem 0;
}

/* ── Responsive ───────────────────────────────────────────────── */

@media (max-width: 640px) {
  nav { padding: 0 1rem; }
  .nav-links { display: none; }
  .hero { padding: 3.5rem 1.25rem 3rem; }
  section { padding: 3rem 1.25rem; }
  #disclaimer .section-inner { flex-direction: column; }
  .pricing-grid { max-width: 100%; }
}