/* ===== StalCraft X — анимации и 3D ===== */

/* Вход в viewport */
@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(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.6; filter: blur(40px); }
    50% { opacity: 1; filter: blur(50px); }
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(2deg); }
}

@keyframes scanline {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100vh); }
}

@keyframes rotateSlow {
    from { transform: translateY(-50%) rotate(0deg); }
    to { transform: translateY(-50%) rotate(360deg); }
}
.hero-radiation {
    transform-origin: center center;
}

/* Классы анимаций при появлении */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* Hero: появление при загрузке */
.hero .hero-title {
    animation: fadeInUp 0.8s ease forwards;
}
.hero .hero-subtitle {
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.2s forwards;
}
.hero .hero-buttons {
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

/* 3D-карточка: контейнер с перспективой */
.perspective-wrap {
    perspective: 1200px;
}
.card-3d {
    transform-style: preserve-3d;
    transition: transform 0.25s ease-out;
    will-change: transform;
}
.card-3d:hover {
    transform: rotateX(4deg) rotateY(-4deg) translateZ(8px);
}

/* Декоративные «блики» на кнопках */
.btn-glow {
    position: relative;
    overflow: hidden;
}
.btn-glow::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        transparent,
        rgba(255, 255, 255, 0.12) 50%,
        transparent
    );
    transform: rotate(25deg);
    animation: btnShine 3s ease-in-out infinite;
}
@keyframes btnShine {
    0% { transform: translateX(-100%) rotate(25deg); }
    60%, 100% { transform: translateX(100%) rotate(25deg); }
}

/* Пульсирующий контур для важных кнопок */
@keyframes borderPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(224, 36, 36, 0.5); }
    50% { box-shadow: 0 0 0 8px rgba(224, 36, 36, 0); }
}
.btn-pulse {
    animation: borderPulse 2s ease-in-out infinite;
}