/* ============================================
   Artisan Craft - Animations & Interactions
   ============================================ */

/* 无障碍：用户偏好减少动画时，简化效果 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .welcome-screen { transition-duration: 0.2s; }
    .flip-card:hover .flip-card-inner { transition-duration: 0.3s; }
}

/* Welcome Screen - Tolan inspired */
.welcome-screen {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-dark);
    background-image:
        radial-gradient(ellipse 100% 80% at 50% 30%, rgba(0, 255, 194, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 50% 80%, rgba(0, 255, 194, 0.03) 0%, transparent 50%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.8s ease;
}

.welcome-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.welcome-inner {
    text-align: center;
    max-width: 400px;
}

.welcome-logo {
    margin-bottom: 1.25rem;
}

.welcome-logo-img {
    height: 48px;
    width: auto;
    opacity: 0;
    transform: translateY(20px);
    animation: welcomeLogoIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.welcome-tagline {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateY(15px);
    animation: welcomeTaglineIn 0.8s 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes welcomeLogoIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes welcomeTaglineIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.welcome-progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.loader-line {
    width: 100px;
    height: 2px;
    background: rgba(0, 255, 194, 0.2);
    overflow: hidden;
    border-radius: 2px;
}

.loader-line::after {
    content: '';
    display: block;
    width: 40%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: loaderProgress 1.5s ease-in-out infinite;
}

@keyframes loaderProgress {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

.loader-text {
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    color: var(--text-muted);
    animation: loaderPulse 0.8s ease-in-out infinite alternate;
}

@keyframes loaderPulse {
    from { opacity: 0.4; }
    to { opacity: 1; }
}

/* Hero text - 默认可见，避免国内 CDN 慢导致标题不显示 */
.hero-title .word {
    display: inline-block;
    opacity: 1;
    transform: translateY(0);
}

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

.animate-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.hero-tag.animate-reveal,
.hero-subtitle.animate-reveal,
.hero-cta.animate-reveal { transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }

/* 区块默认可见，避免 animate-inview 不显示 */
.animate-inview,
.layer-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-inview.inview,
.layer-reveal.inview {
    opacity: 1;
    transform: translateY(0);
}

.animate-inview:nth-child(1) { transition-delay: 0s; }
.animate-inview:nth-child(2) { transition-delay: 0.1s; }
.animate-inview:nth-child(3) { transition-delay: 0.2s; }
.animate-inview:nth-child(4) { transition-delay: 0.3s; }

/* 修复卡片偏移：默认位置归零，避免 GSAP 失败时残留 transform */
.animate-inview,
.layer-reveal,
.stat,
.bento-item {
    transform: translate3d(0, 0, 0);
}

/* 3D Flip Card - 立体翻转 */
.flip-card {
    perspective: 1200px;
    perspective-origin: center center;
    min-height: 380px;
    transform: translate3d(0, 0, 0);
    transform-style: preserve-3d;
}
.collection .flip-card { min-height: 420px; }
.featured-card.flip-card { min-height: 520px; }
.flip-card .product-card-link,
.flip-card.flip-card-trigger {
    display: block; height: 100%; text-decoration: none; color: inherit;
}
.flip-card-inner {
    position: relative; width: 100%; height: 100%; min-height: 380px;
    transform-style: preserve-3d;
    transform-origin: center center;
    transform: rotateY(0deg);
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.featured-card .flip-card-inner { min-height: 520px; }
.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}
.flip-card-front,
.flip-card-back {
    position: absolute; width: 100%; height: 100%; top: 0; left: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform-style: preserve-3d;
}
.flip-card-front {
    display: flex; flex-direction: column;
}
.flip-card-front .product-image { flex: 1; min-height: 0; }
.flip-card-front .product-info { flex-shrink: 0; padding: 1rem 0 0; }
.flip-card-back {
    transform: rotateY(180deg);
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    border: 1px solid var(--border);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 2rem; text-align: center;
}
.flip-back-desc, .flip-back-title {
    font-family: 'Syne', sans-serif; font-size: 1.25rem; font-weight: 600;
    margin-bottom: 0.5rem;
}
.flip-back-detail {
    font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem;
}
.flip-card-back .product-link {
    color: var(--accent); font-weight: 600; margin-top: auto;
}
.flip-card-back--featured .flip-back-title { font-size: 1.1rem; }
.flip-card-back--featured .flip-back-detail { font-size: 0.8rem; }

/* 3D Tilt Card - 立体 perspective */
.tilt-card {
    transform-style: preserve-3d;
    perspective: 1200px;
    transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}
.tilt-card .product-image,
.tilt-card .featured-image {
    transform-style: preserve-3d;
    transform: translateZ(20px);
}

.tilt-card .product-image,
.tilt-card .featured-image {
    transform: translateZ(20px);
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Layered card - multiple hover effects */
.layered-card {
    position: relative;
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1),
                box-shadow 0.5s ease,
                border-color 0.4s ease;
}
.layered-card::before {
    content: '';
    position: absolute; inset: -1px;
    border-radius: 2px;
    border: 1px solid transparent;
    pointer-events: none;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}
.layered-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
}
.layered-card:hover::before {
    border-color: rgba(0, 255, 194, 0.3);
    box-shadow: 0 0 30px rgba(0, 255, 194, 0.1);
}

.tilt-card:hover {
    transform: translateY(-8px) scale(1.02);
}

.tilt-card .product-image,
.tilt-card .featured-image {
    overflow: hidden;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.layered-card:hover .product-image,
.layered-card:hover .featured-image {
    transform: scale(1.03);
}

.tilt-card:hover .product-image img,
.tilt-card:hover .featured-image img {
    transform: scale(1.1);
}

.tilt-card .product-image img,
.tilt-card .featured-image img {
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Product info slide up on hover */
.layered-card .product-info {
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}
.layered-card:hover .product-info {
    transform: translateY(-4px);
}

/* Magnetic button */
.magnetic-btn {
    position: relative;
    transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Parallax hero circles */
.hero-circle--1 { will-change: transform; }
.hero-circle--2 { will-change: transform; }
.hero-circle--3 { will-change: transform; }

/* Category item - line + arrow slide */
.category-item {
    position: relative;
    transition: padding-left 0.35s cubic-bezier(0.23, 1, 0.32, 1), color 0.2s;
}

.category-item::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.category-item:hover::before {
    width: 80px;
}

.category-item .category-arrow {
    transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.3s;
}

.category-item:hover .category-arrow {
    transform: translateX(6px);
}

/* CTA button hover glow */
.cta-button {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(0, 255, 194, 0.3);
}

.cta-button:active {
    transform: scale(0.98);
}

/* Nav link underline + slight scale */
.nav-links a,
.nav-menu a {
    position: relative;
    transition: transform 0.2s ease, color 0.2s;
}

.nav-links a:hover,
.nav-menu a:hover {
    transform: translateY(-1px);
}

.nav-links a::after,
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}

.nav-links a:hover::after,
.nav-menu a:hover::after {
    width: 100%;
}

/* Product link arrow - stronger slide */
.product-link {
    position: relative;
    transition: gap 0.3s ease;
}

.product-link::after {
    content: '→';
    margin-left: 0.5rem;
    display: inline-block;
    transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}

.product-card:hover .product-link::after,
.featured-card:hover .product-link::after {
    transform: translateX(12px);
}

/* Stats number counter animation */
.stat-number.counting {
    animation: pulse 0.3s ease;
}

@keyframes pulse {
    50% { transform: scale(1.05); }
}

/* Scroll indicator bounce */
.hero-scroll {
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* Enhanced hero circle animations */
.hero-circle--1 {
    animation: float 8s ease-in-out infinite, pulse-circle 4s ease-in-out infinite;
}

.hero-circle--2 {
    animation: float 6s ease-in-out infinite reverse, pulse-circle 5s ease-in-out infinite 1s;
}

.hero-circle--3 {
    animation: float 5s ease-in-out infinite 1s, pulse-circle 3s ease-in-out infinite 0.5s;
}

@keyframes pulse-circle {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* Layer reveal - GSAP handles animation */

/* Stats layered animation */
.stats-grid .stat {
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}
.stats-grid .stat:hover {
    transform: translateY(-5px) scale(1.02);
}
.stats-grid .stat .stat-number {
    transition: transform 0.3s ease;
}
.stats-grid .stat:hover .stat-number {
    transform: scale(1.05);
}