/* ============================================================
   EFFECTS.CSS — АНИМАЦИИ И ЭФФЕКТЫ
   ============================================================ */

/* === Плавное появление === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fade-up {
    animation: fadeInUp 0.7s ease forwards;
}

.animate-fade-in {
    animation: fadeIn 0.7s ease forwards;
}

.animate-scale {
    animation: scaleIn 0.5s ease forwards;
}

/* Задержки */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* Изначально скрыты */
.animate-hidden {
    opacity: 0;
}

/* === Анимации при скролле (через Intersection Observer) === */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Hover-эффекты === */
.hover-lift {
    transition: transform var(--transition);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(0, 255, 204, 0.15);
}

/* === Пульс для кнопки CTA === */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(0, 255, 204, 0.4);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(0, 255, 204, 0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* === Мобильное меню === */
.main-nav.nav-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(10, 15, 13, 0.98);
    backdrop-filter: blur(12px);
    padding: 2rem 5%;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-dim);
}

.main-nav.nav-open a {
    font-size: 1.1rem;
}