:root {
  --navy: #000051;
  --navy-soft: #0a0a6a;
  --silver: #cfd8dc;
  --silver-light: #e8eef1;
  --white: #ffffff;
  --cyan: #00bcd4;
  --cyan-dark: #00a5bb;
  --gray-100: #f3f4f6;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --text: #0f172a;
  --shadow: 0 10px 30px rgba(0, 0, 81, 0.08);
  --shadow-lg: 0 24px 50px rgba(0, 0, 81, 0.14);
  --radius: 14px;
  --nav-h: 72px;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--silver-light);
}

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

a {
  color: inherit;
}

.container {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 8px 12px;
  z-index: 100;
}

.skip-link:focus {
  left: 12px;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 81, 0.06);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 18px;
  color: var(--navy);
  letter-spacing: -0.03em;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--navy);
  display: grid;
  place-items: center;
  color: var(--cyan);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-500);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--navy);
}

.nav-cta {
  text-decoration: none;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 10px;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--navy);
  margin: 5px auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 22px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-cyan {
  background: var(--cyan);
  color: var(--navy);
  box-shadow: 0 8px 20px rgba(0, 188, 212, 0.35);
}

.btn-cyan:hover {
  background: var(--cyan-dark);
}

.btn-white {
  background: #fff;
  color: var(--navy);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

/* Hero */
.hero {
  padding: 64px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--navy);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

h1 {
  font-size: clamp(40px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--navy);
  margin: 0 0 16px;
}

.subhead {
  font-size: 20px;
  color: var(--gray-500);
  max-width: 46ch;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.trust-note {
  font-size: 14px;
  color: var(--gray-500);
  margin: 16px 0 0;
}

/* Phone mock */
.phone-wrap {
  display: flex;
  justify-content: center;
}

.phone {
  width: 280px;
  background: var(--navy);
  border-radius: 36px;
  padding: 12px;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.phone-screen {
  background: var(--gray-100);
  border-radius: 26px;
  overflow: hidden;
  min-height: 520px;
}

.phone-bar {
  display: flex;
  justify-content: space-between;
  padding: 10px 16px 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--navy);
}

.app-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px 14px;
}

.app-head strong {
  color: var(--navy);
  font-size: 16px;
}

.chip {
  background: var(--cyan);
  color: var(--navy);
  font-size: 11px;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 999px;
}

.vehicle-card,
.mini-row {
  margin: 0 14px 12px;
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.vehicle-card {
  padding: 14px;
}

.vehicle-card h3 {
  margin: 0 0 4px;
  font-size: 16px;
  color: var(--navy);
}

.vehicle-card p {
  margin: 0;
  font-size: 13px;
  color: var(--gray-500);
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

.stat {
  background: var(--gray-100);
  border-radius: 10px;
  padding: 10px;
}

.stat span {
  display: block;
  font-size: 11px;
  color: var(--gray-500);
}

.stat b {
  color: var(--navy);
  font-size: 14px;
}

.mini-row {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
}

.mini-ico {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #e0f7fa;
  display: grid;
  place-items: center;
  font-size: 14px;
}

.mini-row p {
  margin: 0;
  font-size: 13px;
}

.mini-row small {
  color: var(--gray-500);
  font-size: 12px;
}

/* Sections */
section,
#contact {
  scroll-margin-top: calc(var(--nav-h) + 12px);
}

section {
  padding: 80px 0;
}

.section-kicker {
  color: var(--cyan-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 8px;
}

h2 {
  font-size: clamp(32px, 4vw, 40px);
  letter-spacing: -0.03em;
  color: var(--navy);
  margin: 0 0 12px;
  line-height: 1.15;
}

.lead {
  font-size: 18px;
  color: var(--gray-500);
  max-width: 52ch;
  margin: 0 0 36px;
}

.section-white {
  background: #fff;
}

.section-silver {
  background: transparent;
}

/* Problem */
.problem-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.problem-list li {
  background: #fff;
  border-radius: var(--radius);
  padding: 18px 18px 18px 48px;
  box-shadow: var(--shadow);
  position: relative;
  font-size: 16px;
}

.problem-list li::before {
  content: "✕";
  position: absolute;
  left: 16px;
  top: 18px;
  width: 24px;
  height: 24px;
  line-height: 24px;
  text-align: center;
  border-radius: 50%;
  background: #fee2e2;
  color: #b91c1c;
  font-size: 12px;
  font-weight: 800;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.card .icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--navy);
}

.card p {
  margin: 0;
  color: var(--gray-500);
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.step {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--navy);
  color: var(--cyan);
  display: grid;
  place-items: center;
  font-weight: 800;
  margin-bottom: 14px;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--navy);
}

.step p {
  margin: 0;
  color: var(--gray-500);
}

/* Audience */
.audience {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.audience article {
  background: #fff;
  border-radius: var(--radius);
  padding: 18px 14px;
  text-align: center;
  box-shadow: var(--shadow);
}

.audience .icon {
  font-size: 28px;
}

.audience h3 {
  margin: 8px 0 0;
  font-size: 15px;
  color: var(--navy);
  font-weight: 700;
}

/* Beta */
.beta {
  padding: 24px 0 80px;
}

.beta-panel {
  background: var(--navy);
  color: #fff;
  border-radius: 24px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  box-shadow: var(--shadow-lg);
}

.beta-panel h2,
.final h2 {
  color: #fff;
}

.beta-panel .lead,
.final p {
  color: rgba(255, 255, 255, 0.78);
}

.beta-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.beta-list li {
  padding: 10px 0 10px 28px;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.beta-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 800;
}

.beta-side {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.beta-side p {
  color: rgba(255, 255, 255, 0.75);
  margin-top: 0;
}

/* Final CTA */
.final {
  background: var(--navy-soft);
  text-align: center;
  padding: 88px 0;
}

.final .lead {
  margin-inline: auto;
}

/* Footer */
.footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.8);
  padding: 36px 0;
}

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

.footer a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.footer nav {
  display: flex;
  gap: 20px;
}

.legal {
  max-width: 720px;
  margin: 40px auto 80px;
  background: #fff;
  border-radius: 18px;
  padding: 40px;
  box-shadow: var(--shadow);
}

.legal h1 {
  font-size: 36px;
}

.legal p,
.legal li {
  color: var(--gray-500);
}

@media (max-width: 980px) {
  .hero-grid,
  .beta-panel,
  .features,
  .audience {
    grid-template-columns: 1fr 1fr;
  }

  .features {
    grid-template-columns: 1fr 1fr;
  }

  .audience {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    gap: 4px;
    border-bottom: 1px solid var(--gray-300);
  }

  .nav.open .nav-links {
    display: flex;
  }

  .nav-links a,
  .nav-cta {
    padding: 12px 4px;
  }

  .hero {
    padding: 36px 0 56px;
  }

  .hero-grid,
  .problem-list,
  .features,
  .steps,
  .audience,
  .beta-panel {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 40px;
  }

  .subhead {
    font-size: 18px;
  }

  section {
    padding: 64px 0;
  }

  .beta-panel {
    padding: 28px;
  }
}