/* F1 Wallpaper Landing – Motorsport-inspired theme */
:root {
  --bg: #0a0a0b;
  --bg-elevated: #141416;
  --surface: #1c1c1f;
  --border: #2a2a2e;
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --accent: #e11d48;
  --accent-hover: #f43f5e;
  --accent-dim: rgba(225, 29, 72, 0.15);
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --container: min(1120px, 92vw);
  --radius: 12px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  color: var(--text);
  text-decoration: none;
}

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

.nav {
  display: flex;
  gap: 1.75rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

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

/* Hero */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: 4rem 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, var(--accent-dim) 0%, transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-elevated) 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 28rem;
  margin: 0 0 2rem;
}

.hero-cta {
  margin-bottom: 0.75rem;
}

.hero-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: var(--text);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.0625rem;
}

/* Features */
.features {
  padding: 5rem 0;
  background: var(--bg-elevated);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: 0.02em;
  text-align: center;
  margin: 0 0 2.5rem;
}

.feature-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-dim);
}

.feature-icon {
  display: block;
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin: 0;
}

/* CTA */
.cta {
  padding: 5rem 0;
  text-align: center;
}

.cta-text {
  color: var(--text-muted);
  margin: 0 0 1.5rem;
  font-size: 1.125rem;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  margin: 0 0 0.75rem;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
}

.footer-nav a:hover {
  color: var(--text);
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
}

/* Legal pages (Terms & Privacy) */
.legal-page {
  padding: 4rem 0 5rem;
  min-height: 80vh;
}

.legal-page .container {
  max-width: 720px;
}

.legal-page h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin: 0 0 0.5rem;
}

.legal-page .updated {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin: 0 0 2rem;
}

.legal-page h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
}

.legal-page p,
.legal-page li {
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.legal-page ul {
  padding-left: 1.25rem;
  margin: 0 0 1rem;
}

.legal-page a {
  color: var(--accent);
  text-decoration: none;
}

.legal-page a:hover {
  text-decoration: underline;
}

.back-link {
  display: inline-block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  margin-bottom: 2rem;
}

.back-link:hover {
  color: var(--text);
}