:root {
    --bg: #0a0a0c;
    --card-bg: rgba(255, 255, 255, 0.03);
    --accent: #00f2ff;
    --text: #e0e0e0;
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Space Grotesk', sans-serif;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Фоновое свечение */
.glow-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 242, 255, 0.05), transparent 70%);
    pointer-events: none;
    z-index: -1;
}

nav {
    display: flex;
    justify-content: space-between;
    padding: 30px 10%;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.logo span { color: var(--accent); }

.nav-links a {
    color: var(--text);
    text-decoration: none;
    margin-left: 30px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
    transition: 0.3s;
}

.nav-links a:hover { opacity: 1; color: var(--accent); }

/* Hero Section */
.hero {
    height: 80vh;
    display: flex;
    align-items: center;
    padding: 0 10%;
}

.badge {
    display: inline-block;
    padding: 5px 12px;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: 0.7rem;
    border-radius: 20px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    line-height: 1.1;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(90deg, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    max-width: 500px;
    margin-bottom: 40px;
    color: #888;
}

/* Кнопки */
.btn-primary {
    background: var(--accent);
    color: #000;
    padding: 15px 35px;
    text-decoration: none;
    font-weight: 700;
    border-radius: 4px;
    margin-right: 20px;
    transition: 0.3s;
}

.btn-secondary {
    color: #fff;
    text-decoration: none;
    border-bottom: 1px solid var(--accent);
    padding-bottom: 5px;
}

/* Grid & Cards */
.grid-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 100px 10%;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 40px;
    backdrop-filter: blur(10px);
    border-radius: 8px;
    transition: 0.3s ease;
}

.card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

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

/* Protocols */
.glass-section {
    padding: 100px 10%;
    background: rgba(255, 255, 255, 0.02);
}

.protocol-row {
    margin-top: 50px;
}

.step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
}

.num {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-right: 30px;
    font-family: serif;
    opacity: 0.5;
}

footer {
    text-align: center;
    padding: 60px;
    font-size: 0.8rem;
    color: #444;
    letter-spacing: 2px;
}