:root {
  --bg: #f5f5f5;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #666666;
  --primary: #007aff;
  --primary-dark: #0062cc;
  --success: #4caf50;
  --pt-red: #c8102e;
  --pt-green: #046a38;
  --border: #e8e8e8;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --radius: 16px;
}

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

html {
  scroll-behavior: smooth;
}

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

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(245, 245, 245, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.logo {
  /* Same proportions as scooter-app DashboardScreen (70px circle, 36px icon @ 17,17) */
  --logo-size: 56px;
  position: relative;
  width: var(--logo-size);
  height: var(--logo-size);
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
}

.logo-red,
.logo-green {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
}

.logo-red {
  left: 0;
  background: #c8102e;
}

.logo-green {
  right: 0;
  background: #046a38;
}

.logo-scooter {
  position: absolute;
  top: calc(var(--logo-size) * 17 / 70);
  left: calc(var(--logo-size) * 17 / 70);
  z-index: 1;
  font-size: calc(var(--logo-size) * 36 / 70);
  line-height: 1;
  color: #ffffff;
  font-variation-settings: "FILL" 1, "wght" 400, "GRAD" 0, "opsz" 24;
  user-select: none;
  pointer-events: none;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--pt-green);
}

.lang-toggle {
  display: inline-flex;
  padding: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}

.lang-btn.is-active {
  background: var(--primary);
  color: #fff;
}

.hero {
  padding: 56px 0 32px;
}

.hero-grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  padding: 6px 12px;
  border-radius: 999px;
  background: #e3f2fd;
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0 0 24px;
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 54ch;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

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

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(0, 122, 255, 0.25);
}

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

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-block {
  width: 100%;
}

.hero-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  display: block;
  margin-top: 4px;
  font-size: 0.85rem;
  color: var(--muted);
}

.hero-note {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}

.steps,
.uses,
.signup {
  padding: 24px 0 56px;
}

.steps h2,
.uses h2,
.signup h2 {
  margin: 0 0 20px;
  font-size: 1.6rem;
}

.steps-grid,
.uses-grid {
  display: grid;
  gap: 16px;
}

.step-card,
.signup-form,
.signup-copy {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.step-card {
  padding: 22px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #e8f5e9;
  color: var(--success);
  font-weight: 700;
  margin-bottom: 12px;
}

.step-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.step-card p {
  margin: 0;
  color: var(--muted);
}

.use-chip {
  padding: 16px 18px;
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid var(--border);
  font-weight: 500;
}

.signup-grid {
  display: grid;
  gap: 24px;
  align-items: start;
}

.signup-copy,
.signup-form {
  padding: 24px;
}

.signup-copy p,
.form-note {
  color: var(--muted);
}

.signup-list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.signup-list li + li {
  margin-top: 8px;
}

.signup-form label,
.signup-form fieldset {
  display: block;
  margin-bottom: 16px;
}

.signup-form span,
.signup-form legend {
  display: block;
  margin-bottom: 8px;
  font-size: 0.92rem;
  font-weight: 600;
}

.signup-form input[type="text"],
.signup-form input[type="email"],
.signup-form select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
  background: #fff;
}

.signup-form fieldset {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px 6px;
}

.signup-form legend {
  padding: 0 6px;
}

.radio-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-weight: 400;
}

.radio-row span {
  margin: 0;
  font-weight: 500;
}

.is-hidden {
  display: none;
}

.site-footer {
  padding: 24px 0 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  color: var(--muted);
}

.footer-inner a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .uses-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .signup-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }
}