:root {
    --primary: #007AFF;
    --primary-dark: #0051D5;
    --text: #1d1d1f;
    --text-muted: #6e6e73;
    --bg: #ffffff;
    --bg-alt: #f5f5f7;
    --border: #d2d2d7;
    --radius: 12px;
    --max-width: 960px;
}

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

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

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

a:hover {
    text-decoration: underline;
}

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

header {
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.logo:hover {
    text-decoration: none;
}

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

.nav-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.hero {
    padding: 80px 0 64px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: var(--bg-alt);
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto 32px;
}

.btn {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
}

.btn:hover {
    background: var(--primary-dark);
    text-decoration: none;
}

.features {
    padding: 64px 0;
    background: var(--bg-alt);
}

.features h2,
.about h2,
.page-header h1 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.feature-card h3 {
    margin-bottom: 8px;
    font-size: 1.05rem;
}

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

.about {
    padding: 64px 0;
}

.about p {
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto 16px;
    text-align: center;
}

.contact-box {
    margin-top: 32px;
    text-align: center;
    padding: 24px;
    background: var(--bg-alt);
    border-radius: var(--radius);
}

footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.footer-links {
    display: flex;
    gap: 20px;
    list-style: none;
}

.page {
    padding: 48px 0 80px;
}

.page-header {
    margin-bottom: 32px;
}

.page-header p {
    text-align: center;
    color: var(--text-muted);
}

.legal-content h2 {
    font-size: 1.35rem;
    margin: 32px 0 12px;
}

.legal-content h3 {
    font-size: 1.1rem;
    margin: 24px 0 8px;
}

.legal-content p,
.legal-content li {
    color: var(--text-muted);
    margin-bottom: 12px;
}

.legal-content ul {
    margin: 0 0 16px 24px;
}

@media (max-width: 640px) {
    .nav-links {
        gap: 16px;
        font-size: 0.85rem;
    }

    .hero {
        padding: 56px 0 48px;
    }
}