/* === ОБЩИЕ СТИЛИ === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: #000;
    font-family: 'Arial', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #00e0ce;
    overflow-x: hidden;
}

/* === НАВИГАЦИЯ === */
.navbar {
    display: flex;
    gap: 20px;
    padding: 15px 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid rgba(0, 224, 206, 0.3);
}

.nav-link {
    color: #00e0ce;
    text-decoration: none;
    font-weight: bold;
    font-size: clamp(14px, 3.5vw, 16px);
    text-shadow: 0 0 5px #00e0ce, 0 0 10px #00e0ce;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 224, 206, 0.2), transparent);
    transition: left 0.5s ease;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    transform: translateY(-2px);
    text-shadow: 0 0 8px #00e0ce, 0 0 16px #00e0ce, 0 0 24px rgba(0, 224, 206, 0.8);
    background: rgba(0, 224, 206, 0.1);
}

.nav-link.active {
    background: rgba(0, 224, 206, 0.15);
    box-shadow: 0 0 15px rgba(0, 224, 206, 0.4);
    border: 1px solid rgba(0, 224, 206, 0.3);
}

/* === ОСНОВНОЙ КОНТЕЙНЕР === */
.container {
    margin-top: 80px;
    padding: 0 20px;
    max-width: 900px;
    width: 100%;
    text-align: center;
}

/* === НЕОНОВЫЕ ТЕКСТЫ === */
.neon-title {
    color: #00e0ce;
    font-size: clamp(24px, 6vw, 36px);
    font-weight: bold;
    text-shadow: 0 0 5px #00e0ce, 0 0 10px #00e0ce, 0 0 15px rgba(0, 224, 206, 0.7);
    letter-spacing: 2px;
    margin: 30px 0 20px;
    animation: glowPulse 2s ease-in-out infinite alternate;
}

.neon-subtitle {
    color: #00e0ce;
    font-size: clamp(18px, 4.5vw, 24px);
    font-weight: bold;
    text-shadow: 0 0 5px #00e0ce, 0 0 10px rgba(0, 224, 206, 0.8);
    letter-spacing: 1px;
    margin: 20px 0 15px;
}

.neon-text {
    color: #00e0ce;
    font-size: clamp(14px, 3.5vw, 16px);
    line-height: 1.7;
    text-shadow: 0 0 5px #00e0ce, 0 0 10px rgba(0, 224, 206, 0.6);
    margin: 15px 0;
}

/* === АНИМАЦИИ === */
@keyframes glowPulse {
    from {
        text-shadow: 0 0 5px #00e0ce, 0 0 10px #00e0ce, 0 0 15px rgba(0, 224, 206, 0.7);
    }
    to {
        text-shadow: 0 0 10px #00e0ce, 0 0 20px #00e0ce, 0 0 30px rgba(0, 224, 206, 0.9);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

/* === КАРТОЧКИ И БЛОКИ === */
.card {
    background: rgba(0, 30, 30, 0.4);
    border: 1px solid rgba(0, 224, 206, 0.3);
    border-radius: 12px;
    padding: 25px;
    margin: 20px 0;
    transition: all 0.4s ease;
    backdrop-filter: blur(5px);
}

.card:hover {
    border-color: #00e0ce;
    box-shadow: 0 0 20px rgba(0, 224, 206, 0.4);
    transform: translateY(-5px);
    background: rgba(0, 40, 40, 0.5);
}

/* === КНОПКИ И ССЫЛКИ === */
.btn {
    display: inline-block;
    background: transparent;
    color: #00e0ce;
    text-decoration: none;
    padding: 12px 24px;
    border: 2px solid #00e0ce;
    border-radius: 8px;
    font-weight: bold;
    font-size: 14px;
    text-shadow: 0 0 5px #00e0ce;
    transition: all 0.3s ease;
    cursor: pointer;
    margin: 5px;
}

.btn:hover {
    background: rgba(0, 224, 206, 0.1);
    box-shadow: 0 0 15px #00e0ce;
    transform: translateY(-2px);
}

.btn-primary {
    background: rgba(0, 224, 206, 0.1);
    border-color: #00e0ce;
}

/* === ФУТЕР === */
footer {
    margin: 40px 0 20px;
    font-size: clamp(14px, 3.5vw, 16px);
    font-weight: bold;
    text-align: center;
    text-shadow: 0 0 5px #00e0ce, 0 0 10px rgba(0, 224, 206, 0.7);
    letter-spacing: 1px;
    padding: 20px;
    border-top: 1px solid rgba(0, 224, 206, 0.2);
    width: 100%;
}

/* === АДАПТИВНОСТЬ === */
@media (max-width: 768px) {
    .navbar {
        gap: 10px;
        padding: 12px 0;
    }
    
    .nav-link {
        padding: 6px 12px;
        font-size: 14px;
    }
    
    .container {
        margin-top: 70px;
        padding: 0 15px;
    }
    
    .card {
        padding: 20px 15px;
    }
}

@media (max-width: 480px) {
    .navbar {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .nav-link {
        font-size: 12px;
        padding: 5px 10px;
    }
}