:root {
    --bg: #0f172a;
    --text: #e2e8f0;
    --text-light: #94a3b8;
}

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

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

/* Навбар */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #1e2937;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.05em;
    color: white;
}

/* Hero */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding: 0 24px;
}

h1 {
    font-size: 6rem;
    font-weight: 800;
    letter-spacing: -0.06em;
    margin-bottom: 1.5rem;
}

.lead {
    font-size: 1.75rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.btn {
    padding: 16px 36px;
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: 16px;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: #0088ff;
    color: white;
}

.btn-primary:hover {
    background: #0066cc;
    transform: translateY(-3px);
}

.btn-secondary {
    border: 2px solid #475569;
    color: white;
}

.btn-secondary:hover {
    background: #1e2937;
}