:root {
    --bg-color: #0b0b0f;
    --text-color: #ffffff;
    --accent-color: #00d4ff;
    --secondary-accent: #7000ff;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

header {
    padding: 20px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.logo {
    font-size: 24px;
    font-weight: 800;
}

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

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: white;
    transition: 0.3s;
}

nav a:hover {
    color: var(--accent-color);
}

.hero {
    height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
    background: radial-gradient(circle at center, #1a1a2e 0%, #0b0b0f 100%);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.btn-main {
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-accent));
    border: none;
    padding: 12px 30px;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--accent-color);
    color: white;
    padding: 12px 30px;
    border-radius: 5px;
    margin-left: 10px;
    cursor: pointer;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 50px 0;
}

.card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

/* Стилі модалки */
.modal {
    display: none; 
    position: fixed;
    z-index: 1000;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: #16161e;
    margin: 10% auto;
    padding: 40px;
    border: 1px solid var(--accent-color);
    width: 350px;
    border-radius: 20px;
    text-align: center;
    position: relative;
}

.close-modal {
    position: absolute;
    right: 20px; top: 10px;
    font-size: 28px;
    cursor: pointer;
    color: var(--accent-color);
}

.modal-content input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    background: #0b0b0f;
    border: 1px solid rgba(255,255,255,0.1);
    color: white;
    border-radius: 8px;
}

.modal-content h2 { margin-bottom: 20px; color: var(--accent-color); }
.modal-content p { font-size: 14px; margin-top: 15px; }
.modal-content a { color: var(--accent-color); text-decoration: none; }