/* --- ГЛОБАЛНИ НАСТРОЙКИ --- */
:root {
    --green: #2ecc71;
    --dark-bg: #0d0d0d;
    --card-bg: #161616;
    --text-white: #ffffff;
    --text-gray: #bbb;
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- АДАПТИВНА НАВИГАЦИЯ --- */
nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.95);
    border-bottom: 2px solid var(--green);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 30px;
    font-weight: 900;
    color: var(--green);
    text-shadow: 0 0 15px var(--green);
    text-decoration: none;
    margin-bottom: 15px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.nav-links a {
    color: var(--text-white);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: bold;
    font-size: 13px;
    padding: 8px 12px;
    transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--green);
    text-shadow: 0 0 10px var(--green);
}

/* --- ПУЛСИРАЩ БУТОН (GLOW) --- */
.btn-glow {
    display: inline-block;
    padding: 18px 45px;
    border: 2px solid var(--green);
    color: var(--green);
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    text-transform: uppercase;
    animation: pulse-glow 2s infinite;
    transition: var(--transition);
    cursor: pointer;
    background: transparent;
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 5px var(--green); }
    50% { box-shadow: 0 0 25px var(--green); }
    100% { box-shadow: 0 0 5px var(--green); }
}

.btn-glow:hover {
    background: var(--green);
    color: #000;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 40px var(--green);
}

/* --- КАРТИ И СЕКЦИИ --- */
.card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid #222;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--green);
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

/* --- ФОРМИ ЗА КОНТАКТ --- */
input, textarea {
    width: 100%;
    padding: 15px;
    background: #222;
    border: 1px solid #333;
    color: white;
    border-radius: 8px;
    outline: none;
    transition: 0.3s;
    margin-bottom: 20px;
}

input:focus, textarea:focus {
    border-color: var(--green);
    box-shadow: 0 0 15px rgba(46, 204, 113, 0.2);
}

/* --- DESKTOP ОПТИМИЗАЦИЯ (Екрани над 992px) --- */
@media (min-width: 992px) {
    nav {
        flex-direction: row;
        justify-content: space-around;
        padding: 25px 80px;
    }

    nav .logo {
        margin-bottom: 0;
    }

    .nav-links {
        gap: 35px;
    }
}