/* 
 * Weave & Wear (織心日常) - Custom CSS
 * Design Philosophy: Minimalist Natural Aesthetic
 * Color System: #F8F5F2 (Linen White), #2C2C2C (Deep Black), #9A8471 (Earth Brown), #E3D5CA (Morning Mist Apricot)
 * Typography: Playfair Display (Display), Noto Sans TC (Body)
 */

:root {
    --color-bg: #F8F5F2;
    --color-text: #2C2C2C;
    --color-accent: #9A8471;
    --color-accent-light: #E3D5CA;
    --color-border: #E3D5CA;
    --font-display: 'Playfair Display', serif;
    --font-body: 'Noto Sans TC', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-text);
}

/* Navigation */
.navbar {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar-brand {
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.navbar-brand:hover {
    color: var(--color-accent) !important;
}

.nav-link {
    color: var(--color-text) !important;
    transition: color 0.3s ease;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--color-accent) !important;
}

/* Hero Carousel */
.hero-carousel {
    height: 600px;
    overflow: hidden;
}

.carousel-item {
    height: 600px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.35);
    z-index: 1;
}

.carousel-caption {
    position: relative;
    z-index: 2;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.carousel-caption h1 {
    color: white;
    font-weight: 700;
    letter-spacing: 1px;
    animation: slideInDown 0.8s ease-out;
}

.carousel-caption p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
    animation: slideInUp 0.8s ease-out 0.2s both;
}

.carousel-caption .btn {
    animation: fadeIn 0.8s ease-out 0.4s both;
    transition: all 0.3s ease;
}

.carousel-caption .btn:hover {
    background-color: #7a6a5a !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Animations */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Product Cards */
.product-card {
    transition: all 0.3s ease;
    border-radius: 8px;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12) !important;
}

.product-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 300px;
}

.product-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-card:hover .product-image-wrapper img {
    transform: scale(1.08);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-overlay .btn {
    background-color: var(--color-accent);
    color: white;
    border: none;
    padding: 0.5rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.product-overlay .btn:hover {
    background-color: #7a6a5a;
    transform: scale(1.05);
}

.card-title {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.card-text {
    font-size: 0.9rem;
}

/* Sections */
section {
    padding: 4rem 0;
}

section h2 {
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 1px;
    background-color: var(--color-accent);
}

/* Buttons */
.btn {
    border-radius: 6px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border: none;
}

.btn:hover {
    box-shadow: 0 4px 12px rgba(154, 132, 113, 0.3);
}

/* Lookbook Section */
.lookbook-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.lookbook-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    aspect-ratio: 3/4;
}

.lookbook-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.lookbook-item:hover img {
    transform: scale(1.05);
}

.lookbook-hotspot {
    position: absolute;
    width: 40px;
    height: 40px;
    background-color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.lookbook-hotspot:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Filter Buttons */
.filter-btn {
    background-color: white;
    color: var(--color-text);
    border: 2px solid var(--color-border);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

/* Size Helper */
.size-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--color-border);
}

.size-tab {
    background: none;
    border: none;
    padding: 1rem 0;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    position: relative;
    transition: color 0.3s ease;
}

.size-tab::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.size-tab.active {
    color: var(--color-accent);
}

.size-tab.active::after {
    width: 100%;
}

.size-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
}

.size-table th,
.size-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.size-table th {
    background-color: var(--color-accent-light);
    font-weight: 600;
    color: var(--color-text);
}

.size-table tr:hover {
    background-color: rgba(227, 213, 202, 0.3);
}

/* Membership Section */
.membership-tier {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.membership-tier:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.membership-tier.active {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent);
}

.membership-tier h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.membership-tier .tier-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.membership-tier ul {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
    text-align: left;
}

.membership-tier li {
    padding: 0.5rem 0;
    color: #666;
}

.membership-tier li::before {
    content: '✓ ';
    color: var(--color-accent);
    font-weight: 700;
    margin-right: 0.5rem;
}

/* Progress Bar */
.progress-bar {
    background-color: var(--color-accent);
    transition: width 0.6s ease;
}

.progress {
    background-color: #e9ecef;
    border-radius: 10px;
    height: 8px;
}

/* Counter Animation */
.counter {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

/* Modal */
.modal-content {
    border: none;
    border-radius: 8px;
}

.modal-header {
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-accent-light);
}

.modal-title {
    font-family: var(--font-display);
    font-weight: 600;
}

/* Footer */
footer {
    margin-top: 5rem;
}

footer h5,
footer h6 {
    color: var(--color-text);
}

footer a {
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--color-accent) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-carousel {
        height: 400px;
    }

    .carousel-item {
        height: 400px;
    }

    .carousel-caption h1 {
        font-size: 1.8rem;
    }

    .carousel-caption p {
        font-size: 0.95rem;
    }

    .display-5 {
        font-size: 2rem;
    }

    .lookbook-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .size-tabs {
        flex-wrap: wrap;
    }

    .membership-tier {
        margin-bottom: 1.5rem;
    }

    section {
        padding: 2rem 0;
    }

    section h2::after {
        display: none;
    }
}

@media (max-width: 576px) {
    .hero-carousel {
        height: 300px;
    }

    .carousel-item {
        height: 300px;
    }

    .carousel-caption h1 {
        font-size: 1.3rem;
    }

    .carousel-caption p {
        font-size: 0.85rem;
    }

    .carousel-caption .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .lookbook-grid {
        grid-template-columns: 1fr;
    }

    .product-card {
        margin-bottom: 1rem;
    }

    .display-5 {
        font-size: 1.5rem;
    }
}

/* Utility Classes */
.text-muted {
    color: #999 !important;
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.fade-out {
    animation: fadeOut 0.5s ease-out;
}

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

/* Smooth Transitions */
a, button, input, select, textarea {
    transition: all 0.3s ease;
}

/* Focus States for Accessibility */
button:focus,
a:focus,
input:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Success/Error Messages */
.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-error {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}