:root {
    --primary-color: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.4);
    --secondary-color: #ec4899;
    --accent-yellow: #fbbf24;
    --bg-dark: #0a0c10;
    --card-bg: rgba(17, 24, 39, 0.8);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
    background: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', 'Segoe UI', sans-serif;
    line-height: 1.5;
    font-size: 0.95rem; /* Трішки менший базовий шрифт */
}

body::before {
    content: ''; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(rgba(10, 12, 16, 0.8), rgba(10, 12, 16, 0.95)),
    url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h10v10H0V0zm10 10h10v10H10V10z" fill="%23111" fill-opacity="0.2" fill-rule="evenodd"/></svg>');
    z-index: -1;
}

.hex-bg {
    background-image: url('data:image/svg+xml,<svg width="40" height="40" viewBox="0 0 40 40" xmlns="http://www.w3.org/2000/svg"><path d="M20 0l17.32 10v20L20 40 2.68 30V10z" fill="none" stroke="%23ffffff" stroke-opacity="0.03" stroke-width="1"/></svg>');
    background-size: 60px 60px;
}

.container {
    max-width: 1200px; /* Звузив для кращого фокусу */
    margin: 0 auto;
    padding: 0 25px;
}

nav {
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 10px 25px; /* Компактніша навігація */
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.logo {
    font-size: 1.6rem;
    font-weight: 900;
    font-style: italic;
    color: #fff;
    text-decoration: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 6px 12px;
    transition: 0.3s;
}

.btn {
    padding: 14px 32px; /* Менші кнопки */
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 15px rgba(99, 102, 241, 0.2);
    transition: 0.3s;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    padding: 25px; /* Компактні картки */
}

.config-input {
    width: 100%;
    padding: 12px 14px;
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 10px;
    color: #fff;
    font-size: 0.9rem;
}

.section-title {
    font-size: 2.5rem; /* Коректний розмір для естетики */
    font-weight: 900;
    margin-bottom: 15px;
    background: linear-gradient(to bottom, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}