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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: #333;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ── Header ── */

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: linear-gradient(135deg, #1a5276, #154360);
    padding: 1rem 2rem;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    transition: opacity 0.2s;
}

.nav-links a:hover {
    opacity: 1;
    color: #fff;
}

/* ── Hero ── */

.hero {
    background: linear-gradient(135deg, #1a5276, #154360, #0e3347);
    color: #fff;
    padding: 160px 2rem 100px;
    text-align: center;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background: #2196F3;
    color: #fff;
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    border-color: #fff;
}

/* ── Features ── */

.features {
    padding: 80px 2rem;
    background: #f8f9fa;
    text-align: center;
}

.features h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1a5276;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #fff;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, #2196F3, #00BCD4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #1a5276;
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;
}

/* ── Download ── */

.download {
    padding: 80px 2rem;
    text-align: center;
}

.download h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1a5276;
}

.download > p {
    color: #666;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.store-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.store-badge img {
    transition: transform 0.2s;
}

.store-badge:hover img {
    transform: translateY(-2px);
}

/* ── Footer ── */

footer {
    background: #2d3748;
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 2rem 1.5rem;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul a {
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-section ul a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
}

/* ── Legal pages ── */

.legal-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 120px 2rem 80px;
}

.legal-page h1 {
    font-size: 2.5rem;
    color: #1a5276;
    margin-bottom: 0.5rem;
}

.legal-page .last-updated {
    color: #666;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.legal-page h2 {
    font-size: 1.4rem;
    color: #1a5276;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.legal-page p,
.legal-page li {
    color: #444;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    line-height: 1.7;
}

.legal-page ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

/* ── Animation ── */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .features h2,
    .download h2 {
        font-size: 2rem;
    }
}