/* ============================================
   Sleeknail Lounge — Animations
   ============================================ */

/* ---------- Fade In on Scroll ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ---------- Scale In ---------- */
.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* ---------- Stagger Children ---------- */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.5s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.6s; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Floating Animation ---------- */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

/* ---------- Pulse Glow ---------- */
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(46,204,113,0.2); }
    50% { box-shadow: 0 0 40px rgba(46,204,113,0.4); }
}

.pulse-glow {
    animation: pulseGlow 2s ease-in-out infinite;
}

/* ---------- Shimmer ---------- */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.shimmer {
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.1) 50%, transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 3s infinite;
}

/* ---------- Gallery item animation ---------- */
.gallery-item {
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.gallery-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
    position: absolute;
}

/* ---------- Notification Toast ---------- */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-dark);
    color: #fff;
    padding: 16px 30px;
    border-radius: var(--radius-xl);
    font-size: 0.95rem;
    z-index: 9999;
    opacity: 0;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    border-left: 4px solid #4ade80;
}

.toast.error {
    border-left: 4px solid #f87171;
}

.toast i {
    font-size: 1.1rem;
}

.toast.success i {
    color: #4ade80;
}

.toast.error i {
    color: #f87171;
}

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 500px;
    width: 90%;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-body);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-dark);
}