* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #1a1a1a;
  --surface: #242424;
  --chrome: #c0c0c0;
  --chrome-dim: #999;
  --text: #e8e8e8;
  --text-dim: #a0a0a0;
  --accent: #d4d4d4;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--chrome);
  text-decoration: none;
  border-bottom: 1px solid var(--chrome-dim);
}

a:hover {
  color: #fff;
  border-bottom-color: #fff;
}

a:focus-visible {
  outline: 2px solid var(--chrome);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Skip to content */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--chrome);
  color: var(--bg);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 100;
  border-bottom: none;
}

.skip-link:focus {
  top: 0.5rem;
}

/* Nav */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0;
}

nav .logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border-bottom: none;
}

nav .logo img {
  width: 32px;
  height: 32px;
  border-radius: 7px;
}

nav .logo span {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

nav .links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
}

/* Hero */
.hero {
  text-align: center;
  padding: 4rem 1.5rem 2rem;
  max-width: 720px;
  margin: 0 auto;
}

.hero img.icon {
  width: 120px;
  height: 120px;
  border-radius: 24px;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}

.hero .tagline {
  font-size: 1.2rem;
  color: var(--chrome);
  margin-bottom: 0.8rem;
}

.hero .subtitle {
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 480px;
  margin: 0 auto 2rem;
}

.app-store-badge {
  display: inline-block;
  border-bottom: none;
}

.app-store-badge img {
  height: 48px;
}

/* Features */
.features {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.feature {
  background: var(--surface);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid #333;
}

.feature h2, .feature h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--chrome);
  margin-bottom: 0.6rem;
}

.feature ul {
  list-style: none;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.feature ul li {
  padding: 0.15rem 0;
}

.feature ul li::before {
  content: "\2022";
  color: var(--chrome-dim);
  margin-right: 0.5rem;
}

/* Bottom line */
.bottom-line {
  text-align: center;
  padding: 1rem 1.5rem 3rem;
  color: var(--chrome-dim);
  font-size: 0.95rem;
  letter-spacing: 0.03em;
}

/* Content pages (privacy, support) */
.content {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.content h1 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.content .updated {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.content h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  color: var(--chrome);
}

.content h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 1.2rem;
  margin-bottom: 0.3rem;
}

.content p, .content ul {
  margin-bottom: 0.8rem;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.content ul {
  padding-left: 1.2rem;
}

.content ul li {
  margin-bottom: 0.3rem;
}

.content strong {
  color: var(--text);
}

/* TLR section on landing page */
.tlr-section {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 1.5rem 2rem;
}

.tlr-section h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--chrome);
}

.tlr-section h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.4rem;
}

.tlr-section p {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 0.8rem;
}

.tlr-cameras ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  margin-top: 0.5rem;
}

.tlr-cameras li {
  font-size: 0.9rem;
}

.tlr-brands {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

.tlr-brands a {
  padding: 0.4rem 1rem;
  background: var(--surface);
  border: 1px solid #333;
  border-radius: 6px;
  font-size: 0.9rem;
  border-bottom: 1px solid #333;
}

.tlr-brands a:hover {
  border-color: var(--chrome);
}

.hero .subtitle a {
  color: var(--chrome);
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--chrome-dim);
  font-size: 0.8rem;
  border-top: 1px solid #333;
  max-width: 720px;
  margin: 0 auto;
}

footer .links {
  margin-top: 0.4rem;
}

footer .links a {
  margin: 0 0.5rem;
  font-size: 0.8rem;
}

/* Mobile */
@media (max-width: 540px) {
  .hero h1 { font-size: 1.8rem; }
  .hero .tagline { font-size: 1rem; }
  .features { grid-template-columns: 1fr; gap: 1rem; }
  nav { padding: 1rem 1rem 0; }
  nav .links { gap: 1rem; }
}
