:root {
  --primary: #174974;
  --primary-dark: #0F334F;
  --primary-light: #3E729E;
  --accent: #EC8933;
  --accent-dark: #C96F22;
  --background: #F7F8FA;
  --surface: #FFFFFF;
  --border: #E4E7EB;
  --text: #1A2530;
  --text-muted: #6B7684;
  --success: #2E9E6B;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--background);
  line-height: 1.5;
}

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

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 248, 250, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--primary);
}

.brand img { width: 34px; height: 34px; border-radius: 8px; }

.nav-links {
  display: flex;
  gap: 32px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
}

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

.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
}

/* Hero */
.hero {
  padding: 88px 0 96px;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(23, 73, 116, 0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
}

h1 {
  font-size: 48px;
  line-height: 1.1;
  font-weight: 800;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}

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

.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 0 32px;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 40px;
  box-shadow: 0 24px 60px -20px rgba(23, 73, 116, 0.25);
}

.hero-visual-card img { width: 220px; margin: 0 auto; }

/* Waitlist form */
.waitlist-form {
  display: flex;
  gap: 10px;
  max-width: 440px;
}

.waitlist-form input {
  flex: 1;
  padding: 15px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 15px;
  background: var(--surface);
  color: var(--text);
}

.waitlist-form input:focus { outline: 2px solid var(--primary-light); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 24px;
  border-radius: 12px;
  border: none;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-primary:disabled { opacity: 0.6; cursor: default; }

.form-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 12px;
}

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  color: var(--success);
  font-weight: 600;
  font-size: 15px;
  margin-top: 8px;
}

.form-error {
  display: none;
  color: #D64545;
  font-size: 14px;
  margin-top: 8px;
}

/* Sections */
section { padding: 88px 0; }

.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 56px;
}

.section-head .eyebrow { margin-bottom: 16px; }

h2 {
  font-size: 34px;
  font-weight: 800;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--text-muted);
  font-size: 17px;
  margin: 0;
}

/* Problem */
.problem {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem-card {
  padding: 32px;
  border-radius: 20px;
  background: var(--background);
  border: 1px solid var(--border);
}

.problem-card .big-stat {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}

.problem-card p { color: var(--text-muted); margin: 0; font-size: 15px; }

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.feature-card h3 { font-size: 17px; margin: 0 0 8px; }
.feature-card p { font-size: 14px; color: var(--text-muted); margin: 0; }

/* How it works */
.how {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}

.step { position: relative; padding-left: 4px; }

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 20px;
}

.step h3 { font-size: 18px; margin: 0 0 8px; }
.step p { color: var(--text-muted); font-size: 15px; margin: 0; }

/* Final CTA */
.cta-section {
  background: var(--primary);
  border-radius: 32px;
  margin: 0 24px;
  padding: 64px 40px;
  text-align: center;
  color: #fff;
}

.cta-section h2 { color: #fff; }
.cta-section p { color: rgba(255,255,255,0.75); }
.cta-section .waitlist-form { margin: 32px auto 0; }
.cta-section .form-note { color: rgba(255,255,255,0.6); }

/* Footer */
footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--primary);
}

.footer-brand img { width: 26px; height: 26px; border-radius: 6px; }

.footer-links {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: var(--text-muted);
}

.footer-links a:hover { color: var(--primary); }

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .problem-grid, .features-grid, .steps { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 36px; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .problem-grid, .features-grid, .steps { grid-template-columns: 1fr; }
  .waitlist-form { flex-direction: column; }
  h1 { font-size: 30px; }
  .hero { padding: 56px 0 64px; }
  section { padding: 56px 0; }
  .cta-section { margin: 0 16px; padding: 48px 24px; }
}