/* =========================================
   PREMIUM BEAUTY UI/UX ANIMATIONS
   ========================================= */

/* --- 1. Sroll Reveal (Trượt lên mượt mà) --- */
.premium-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}
.premium-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Tùy chỉnh độ trễ cho hiệu ứng Domino */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }

/* --- 2. Image Slow Zoom (Hover ảnh siêu mượt) --- */
.premium-zoom-wrap {
    overflow: hidden;
    position: relative;
    border-radius: inherit; /* Kế thừa border-radius từ phần tử cha */
}
.premium-zoom-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.5s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: transform;
}
.premium-zoom-wrap:hover img {
    transform: scale(1.08);
}

/* --- 3. Premium Glass Card & Shadow --- */
.premium-card {
    background: #ffffff;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.premium-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(216, 43, 104, 0.08), 0 1px 3px rgba(0,0,0,0.02);
}

/* --- 4. Button Shine Effect (Nút bấm lướt sáng) --- */
.btn-shine {
    position: relative;
    overflow: hidden;
}
.btn-shine::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg);
    animation: shine 4s infinite;
}
@keyframes shine {
    0% { left: -100%; }
    20% { left: 200%; }
    100% { left: 200%; }
}