:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --bg: #f8fafc;
    --text: #0f172a;
    --text-muted: #64748b;
    --white: #ffffff;
    --border: #e2e8f0;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: bold;
    font-size: 1.25rem;
}

.icon-box {
    background: var(--primary);
    color: white;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 0.9rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.btn-primary {
    background: var(--text);
    color: white !important;
    padding: 10px 20px;
    border-radius: 50px;
}

.hero {
    padding: 100px 0;
    background: radial-gradient(circle at top left, #eff6ff 0%, transparent 40%),
                radial-gradient(circle at bottom right, #f1f5f9 0%, transparent 40%);
}

.text-center { text-align: center; }

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: #eff6ff;
    color: var(--primary);
    border: 1px solid #dbeafe;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 24px;
}

h1 {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.highlight { color: var(--primary); }

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 40px;
}

.cta-group {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
}

.btn-download {
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 18px 40px;
    border-radius: 16px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s;
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

.btn-download:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background: white;
    color: var(--text);
    text-decoration: none;
    padding: 18px 40px;
    border-radius: 16px;
    font-weight: bold;
    font-size: 1.1rem;
    border: 2px solid var(--border);
    transition: all 0.3s;
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.trust-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.features {
    padding: 100px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    padding: 40px;
    border: 1px solid var(--border);
    border-radius: 24px;
    transition: all 0.3s;
}

.card:hover {
    border-color: #dbeafe;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.05);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 20px;
}

.card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.card p {
    color: var(--text-muted);
}

.py-50 { padding: 50px 0; }
.page-title { font-size: 3rem; margin-bottom: 40px; text-align: center; }

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.article-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.article-card h2 { font-size: 1.25rem; margin-bottom: 15px; }
.article-card p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 20px; }
.article-card .date { font-size: 0.8rem; color: #94a3b8; }

footer {
    padding: 60px 0;
    border-top: 1px solid var(--border);
    background: white;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo { font-weight: 800; font-size: 1.5rem; }
.footer-info { color: var(--text-muted); font-size: 0.9rem; }
.seo-tags { font-size: 10px; color: #cbd5e1; }

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .cta-group { flex-direction: column; }
    .nav-links { display: none; }
}