/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Titillium+Web:wght@300;400;600;700&display=swap');

:root {
    /* Brand */
    --f1-red: #E10600;
    --f1-red-bright: #FF3B30;

    /* Dark theme (default) */
    --bg: #0C0F14;
    --bg-alt: #121722;
    --surface: #151B24;
    --surface-alt: #1C2430;
    --border: #232C3A;
    --text: #ffffff;
    --text-muted: #9EA7B5;

    /* Design tokens */
    --radius: 18px;
    --radius-sm: 12px;
    --radius-xs: 6px;
    --glass-opacity: 0.95;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Titillium Web', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--f1-red-bright);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    padding-left: 1.5rem;
}

h1, h2, h3 {
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 1.2px;
    font-weight: 400;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== Background Glow (matches F1Scaffold) ===== */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

body::before {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    background: radial-gradient(circle, rgba(225, 6, 0, 0.12) 0%, transparent 70%);
}

body::after {
    width: 350px;
    height: 350px;
    bottom: -80px;
    left: -80px;
    background: radial-gradient(circle, rgba(225, 6, 0, 0.08) 0%, transparent 70%);
}

/* ===== Navbar ===== */
.navbar {
    background: rgba(12, 15, 20, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text);
    text-decoration: none;
    letter-spacing: 1.5px;
}

.logo:hover {
    text-decoration: none;
    color: var(--f1-red);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    padding: 0;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--f1-red);
    text-decoration: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: 0.3s;
}

/* ===== Hero ===== */
.hero {
    text-align: center;
    padding: 7rem 1.5rem 5rem;
    position: relative;
    z-index: 1;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.hero h1 {
    font-size: 4rem;
    letter-spacing: 3px;
    margin-bottom: 1rem;
    color: var(--text);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-sm);
    font-family: 'Titillium Web', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--f1-red), var(--f1-red-bright));
    color: #fff;
    border: none;
}

.btn-primary:hover {
    box-shadow: 0 4px 20px rgba(225, 6, 0, 0.35);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--f1-red);
    box-shadow: 0 4px 20px rgba(225, 6, 0, 0.15);
}

/* ===== Glass Card (matches GlassCard widget) ===== */
.glass-card {
    background: linear-gradient(135deg,
        rgba(21, 27, 36, var(--glass-opacity)),
        rgba(28, 36, 48, var(--glass-opacity)));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.glass-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--f1-red), transparent);
    border-radius: var(--radius) 0 0 var(--radius);
}

.glass-card:hover {
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.35);
}

/* ===== Features ===== */
.features {
    padding: 5rem 1.5rem;
    position: relative;
    z-index: 1;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    letter-spacing: 2px;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 300;
}

/* ===== Contact ===== */
.contact {
    padding: 5rem 1.5rem;
    background: var(--bg-alt);
    text-align: center;
    position: relative;
    z-index: 1;
}

.contact h2 {
    font-size: 2.5rem;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
}

.contact > .container > p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-weight: 300;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
}

.contact-item svg {
    color: var(--f1-red);
    flex-shrink: 0;
}

/* ===== Page Header (Privacy/Terms) ===== */
.page-header {
    padding: 4.5rem 1.5rem 2rem;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
    text-align: center;
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: 3rem;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--text-muted);
    font-weight: 300;
}

/* ===== Content (Privacy/Terms) ===== */
.content {
    padding: 3rem 1.5rem 5rem;
    position: relative;
    z-index: 1;
}

.content-narrow {
    max-width: 750px;
}

.content h2 {
    font-size: 1.75rem;
    letter-spacing: 1px;
    margin-top: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.content h3 {
    font-family: 'Titillium Web', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.content p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 300;
}

.content ul {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 300;
}

.content li {
    margin-bottom: 0.35rem;
}

/* ===== Footer ===== */
.footer {
    margin-top: auto;
    padding: 2rem 1.5rem;
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

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

.footer-links a:hover {
    color: var(--f1-red);
}

/* ===== Stat Pill (badge style from app) ===== */
.stat-pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.6px;
    background: linear-gradient(135deg, var(--f1-red), var(--f1-red-bright));
    color: #fff;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(12, 15, 20, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.open {
        display: flex;
    }

    .hero {
        padding: 4.5rem 1.5rem 3.5rem;
    }

    .hero h1 {
        font-size: 3rem;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}