/* Under Threshold — App Theme */
:root {
  --primary: #3D5A6C;
  --accent: #C4714F;
  --base: #F5EFE6;
  --success: #7A9E7E;
  --surface: #E8E0D5;
  --text: #2C2118;
  --text-secondary: rgba(44, 33, 24, 0.6);
  --radius: 14px;
  --max-width: 960px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', system-ui, sans-serif;
  background: var(--base);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

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

/* Navigation */
nav {
  padding: 20px 0;
  border-bottom: 1px solid var(--surface);
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}

.nav-brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* Hero */
.hero {
  text-align: center;
  padding: 80px 0 60px;
}

.hero-icon {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  margin-bottom: 32px;
  box-shadow: 0 8px 30px rgba(44, 33, 24, 0.12);
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--primary);
}

.hero .tagline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 40px;
  line-height: 1.5;
}

.app-store-badge {
  display: inline-block;
  transition: opacity 0.2s;
}

.app-store-badge:hover {
  opacity: 0.85;
}

.app-store-badge img {
  height: 54px;
}

/* Features */
.features {
  padding: 60px 0 80px;
}

.features h2 {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 48px;
  color: var(--primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.feature-card .icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* CTA */
.cta {
  text-align: center;
  padding: 60px 0 80px;
}

.cta h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary);
}

.cta p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--surface);
  padding: 32px 0;
}

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

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-copy {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Legal / Content Pages */
.page-content {
  padding: 60px 0 80px;
  max-width: 720px;
  margin: 0 auto;
}

.page-content h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.page-content .last-updated {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.page-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 12px;
}

.page-content p,
.page-content ul {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 0.98rem;
  line-height: 1.7;
}

.page-content ul {
  padding-left: 24px;
}

.page-content li {
  margin-bottom: 6px;
}

/* Support Page */
.support-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px;
  margin-top: 32px;
}

.support-card h2 {
  margin-top: 0;
}

/* Responsive */
@media (max-width: 640px) {
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 2rem; }
  .hero .tagline { font-size: 1.05rem; }
  .features h2 { font-size: 1.4rem; }
  .features-grid { grid-template-columns: 1fr; }
  .nav-links { gap: 16px; }
  footer .container { flex-direction: column; text-align: center; }
}