:root {
    --surface: #121212;
    --surface-container: #1E1E1E;
    --surface-container-high: #2C2C2C;
    --on-surface: #E8E8E8;
    --on-surface-variant: #A0A0A0;
    --accent: #E53935;
    --accent-dark: #B71C1C;
    --outline: #3A3A3A;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--surface);
    color: var(--on-surface);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

a:hover {
    text-decoration: underline;
}

/* Header */
.site-header {
    padding: 24px 0;
    border-bottom: 1px solid var(--outline);
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo {
    height: 48px;
    width: auto;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--on-surface);
    text-decoration: none;
}

.header-title:hover {
    text-decoration: none;
}

/* Main content */
main {
    flex: 1;
    padding: 48px 0;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 16px;
}

h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

p {
    margin-bottom: 16px;
    color: var(--on-surface-variant);
}

/* Hero section */
.hero {
    text-align: center;
    padding: 48px 0 56px;
    background: radial-gradient(ellipse at 50% 0%, rgba(229, 57, 53, 0.08) 0%, transparent 70%);
    border-radius: 16px;
    margin-bottom: 16px;
}

.hero-logo {
    height: 120px;
    width: auto;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 12px;
    color: var(--on-surface);
}

.hero .tagline {
    font-size: 1.25rem;
    color: var(--on-surface);
    margin-bottom: 16px;
    font-weight: 500;
}

.hero .hero-desc {
    font-size: 1rem;
    color: var(--on-surface-variant);
    max-width: 520px;
    margin: 0 auto 32px;
}

/* App Store badge */
.app-store-badge {
    margin-top: 8px;
}

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

.badge-link:hover {
    opacity: 0.8;
    text-decoration: none;
}

.badge-img {
    height: 48px;
    width: auto;
}

/* Feature cards */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 32px 0;
}

.feature-card {
    background-color: var(--surface-container);
    border: 1px solid var(--outline);
    border-radius: 12px;
    padding: 24px;
}

.feature-card h3 {
    color: var(--accent);
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* Action cards (support page) */
.action-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 32px 0;
}

.action-card {
    background-color: var(--surface-container);
    border: 1px solid var(--outline);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: border-color 0.2s;
}

.action-card:hover {
    border-color: var(--accent);
    text-decoration: none;
}

.action-card h3 {
    color: var(--on-surface);
}

.action-card p {
    font-size: 0.875rem;
    margin-bottom: 0;
    flex: 1;
}

.action-card .cta {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.875rem;
}

/* Platform badge */
.platform {
    text-align: center;
    margin: 32px 0;
    color: var(--on-surface-variant);
    font-size: 0.875rem;
}

/* Policy content */
.policy-content h2 {
    color: var(--on-surface);
}

.policy-content p,
.policy-content li {
    color: var(--on-surface-variant);
}

.policy-content ul {
    margin-bottom: 16px;
    padding-left: 24px;
}

.policy-content li {
    margin-bottom: 8px;
}

.last-updated {
    color: var(--on-surface-variant);
    font-size: 0.875rem;
    margin-bottom: 32px;
}

/* Browse link */
.browse-link {
    text-align: center;
    margin: 24px 0;
}

.browse-link a {
    color: var(--on-surface-variant);
    font-size: 0.875rem;
}

.browse-link a:hover {
    color: var(--accent);
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--outline);
    padding: 24px 0;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--on-surface-variant);
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-copy {
    color: var(--on-surface-variant);
    font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 680px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero .tagline {
        font-size: 1.05rem;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .action-cards {
        grid-template-columns: 1fr;
    }
}