:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray-50: #f7f7f8;
  --gray-100: #eeeef0;
  --gray-300: #d5d5da;
  --gray-500: #86868f;
  --gray-700: #3a3a42;
  --accent: #06c167; /* rideshare green accent */
  --radius: 14px;
  --max-width: 1120px;
  --shadow: 0 8px 30px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.5;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { font-weight: 800; letter-spacing: -0.02em; margin: 0 0 16px; }
h2 { font-size: 2rem; text-align: center; }
p { color: var(--gray-700); margin: 0 0 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-100);
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--black);
  text-decoration: none;
}
.logo span { color: var(--accent); }
.main-nav {
  display: flex;
  gap: 28px;
}
.main-nav a {
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--black); }

/* Buttons */
.btn {
  display: inline-block;
  border: none;
  border-radius: 999px;
  padding: 14px 28px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  text-align: center;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn-primary {
  background: var(--black);
  color: var(--white);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-secondary {
  background: var(--gray-100);
  color: var(--black);
}
.btn-secondary:hover { background: var(--gray-300); }
.btn-small { padding: 10px 20px; font-size: 0.9rem; }
.btn-large { width: 100%; padding: 16px 28px; font-size: 1.05rem; margin-top: 8px; }

/* Hero */
.hero {
  padding: 72px 0 56px;
  background: linear-gradient(180deg, var(--gray-50), var(--white));
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.hero h1 {
  font-size: 2.6rem;
  line-height: 1.1;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin: 24px 0;
  flex-wrap: wrap;
}
.hero-trust {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.hero-trust li {
  font-size: 0.9rem;
  color: var(--gray-500);
  padding-left: 20px;
  position: relative;
}
.hero-trust li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.hero-visual { text-align: center; }
.hero-visual-caption {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 14px;
}

/* Sticker mock */
.sticker-mock {
  background: var(--white);
  border: 2px solid var(--gray-300);
  border-radius: 22px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 3 / 1;
  margin: 0 auto;
}
.sticker-mock span {
  font-weight: 800;
  font-size: 4rem;
  letter-spacing: -0.03em;
  color: var(--black);
}
.sticker-mock.large { max-width: 480px; aspect-ratio: 3 / 1; }

/* Product section */
.product-section { padding: 72px 0; }
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.product-media { position: sticky; top: 96px; }
.product-desc { font-size: 1.02rem; }
.feature-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature-list li {
  padding-left: 26px;
  position: relative;
  font-size: 0.98rem;
  color: var(--gray-700);
}
.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.price-box {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.price-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.98rem;
}
.total-row {
  border-top: 1px solid var(--gray-300);
  margin-top: 4px;
  padding-top: 14px;
  font-size: 1.1rem;
}

.qty-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.qty-row label { font-weight: 600; }
.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--gray-300);
  border-radius: 999px;
  overflow: hidden;
}
.qty-control button {
  background: var(--gray-50);
  border: none;
  width: 40px;
  height: 40px;
  font-size: 1.2rem;
  cursor: pointer;
}
.qty-control button:hover { background: var(--gray-100); }
.qty-control input {
  width: 52px;
  text-align: center;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  -moz-appearance: textfield;
}
.qty-control input::-webkit-outer-spin-button,
.qty-control input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.checkout-note {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 12px;
}

/* How it works */
.how-section { padding: 72px 0; background: var(--gray-50); }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 40px;
}
.step { text-align: center; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
  font-weight: 800;
  margin-bottom: 14px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: 0.92rem; }

/* FAQ */
.faq-section { padding: 72px 0; }
.faq-item {
  max-width: 720px;
  margin: 0 auto 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-100);
}
.faq-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.faq-item p { margin: 0; }

/* Footer */
.site-footer {
  background: var(--black);
  color: var(--gray-300);
  padding: 48px 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.footer-brand { color: var(--white); font-weight: 800; font-size: 1.1rem; margin-bottom: 6px; }
.site-footer p { color: var(--gray-300); }
.site-footer a { color: var(--white); text-decoration: underline; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner, .product-grid { grid-template-columns: 1fr; }
  .product-media { position: static; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .hero h1 { font-size: 2rem; }
  .main-nav { display: none; }
}