/* STYLES AVANCÉS POUR CATÉGORIE TEE-SHIRTS OTAKU */

/* Variables CSS pour cohérence couleurs */
:root {
    --otaku-primary: #1e40af;
    --otaku-secondary: #3b82f6;
    --otaku-accent: #f59e0b;
    --otaku-dark: #0f172a;
    --otaku-light: #f8fafc;
    --otaku-gradient: linear-gradient(135deg, var(--otaku-primary), var(--otaku-secondary));
    --otaku-text: #1e293b;
    --otaku-text-light: #64748b;
    --otaku-border: #e2e8f0;
    --otaku-shadow: rgba(30, 64, 175, 0.1);
    --otaku-anime-glow: #60a5fa;
}

/* Layout Principal */
.otaku-category-main {
    min-height: 100vh;
    background: linear-gradient(180deg, var(--otaku-light) 0%, #ffffff 100%);
    padding-top: 40px;
}

/* HERO SECTION - DESIGN IMMERSIF */
.otaku-hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--otaku-gradient);
    color: white;
    margin-top:50px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.anime-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(96, 165, 250, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(245, 158, 11, 0.3) 0%, transparent 50%);
    animation: particleFloat 20s ease-in-out infinite;
}

.floating-kanji {
    position: absolute;
    font-size: 8rem;
    font-weight: 900;
    opacity: 0.05;
    color: white;
    animation: floatKanji 15s ease-in-out infinite;
    user-select: none;
}

.floating-kanji:nth-child(2) {
    top: 20%;
    left: 10%;
    animation-delay: -5s;
}

.floating-kanji:nth-child(3) {
    top: 60%;
    right: 20%;
    animation-delay: -10s;
}

.floating-kanji:nth-child(4) {
    bottom: 20%;
    left: 70%;
    animation-delay: -15s;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.glitch-text {
    display: block;
    position: relative;
    animation: glitchEffect 3s ease-in-out infinite;
}

.hero-subtitle {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 0.5rem;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--otaku-accent);
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.tshirt-showcase {
    position: relative;
    transform: perspective(1000px) rotateY(-15deg);
    transition: transform 0.6s ease;
}

.tshirt-showcase:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.05);
}

.showcase-image {
    width: 400px;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.showcase-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: radial-gradient(circle, var(--otaku-anime-glow) 0%, transparent 70%);
    opacity: 0.6;
    border-radius: 30px;
    z-index: -1;
    animation: pulseGlow 4s ease-in-out infinite;
}

/* FILTRES INTERACTIFS */
.otaku-filters {
    padding: 4rem 0;
    background: white;
}

.filters-header {
    text-align: center;
    margin-bottom: 3rem;
}

.filters-header h2 {
    font-size: 2.5rem;
    color: var(--otaku-dark);
    margin-bottom: 1rem;
}

.filters-header p {
    font-size: 1.1rem;
    color: var(--otaku-text-light);
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.filter-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid var(--otaku-border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.filter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--otaku-anime-glow), transparent);
    opacity: 0;
    transition: all 0.6s ease;
}

.filter-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--otaku-shadow);
    border-color: var(--otaku-secondary);
}

.filter-card:hover::before {
    left: 100%;
    opacity: 0.3;
}

.filter-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.filter-card h3 {
    font-size: 1.5rem;
    color: var(--otaku-dark);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-tag {
    background: linear-gradient(135deg, var(--otaku-light) 0%, #e2e8f0 100%);
    border: 1px solid var(--otaku-border);
    color: var(--otaku-text);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.filter-tag:hover,
.filter-tag.active {
    background: var(--otaku-gradient);
    color: white;
    border-color: var(--otaku-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--otaku-shadow);
}

.size-tags {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.size-tag {
    text-align: center;
    min-width: 50px;
}

/* CALCULATEUR DE STYLE */
.style-calculator {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f8fafc 100%);
}

.calculator-card {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid var(--otaku-border);
}

.calculator-header {
    background: var(--otaku-gradient);
    color: white;
    padding: 2rem;
    text-align: center;
}

.calculator-header h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.calculator-content {
    padding: 2rem;
}

.question {
    display: none;
    animation: fadeInUp 0.6s ease;
}

.question.active {
    display: block;
}

.question h3 {
    font-size: 1.5rem;
    color: var(--otaku-dark);
    margin-bottom: 2rem;
    text-align: center;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.option-btn {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid var(--otaku-border);
    color: var(--otaku-text);
    padding: 1.5rem 1rem;
    border-radius: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
}

.option-btn:hover {
    border-color: var(--otaku-secondary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--otaku-shadow);
}

.option-btn.selected {
    background: var(--otaku-gradient);
    color: white;
    border-color: var(--otaku-primary);
}

.calculator-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--otaku-border);
}

.nav-btn {
    background: var(--otaku-gradient);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:disabled {
    background: #cbd5e1;
    cursor: not-allowed;
}

.nav-btn:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--otaku-shadow);
}

.progress-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--otaku-light);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--otaku-gradient);
    border-radius: 25px;
    transition: width 0.6s ease;
    width: 33.33%;
}

.progress-text {
    position: relative;
    z-index: 2;
    font-weight: 600;
    color: var(--otaku-dark);
}

.calculator-result {
    text-align: center;
}

.recommended-style {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: linear-gradient(135deg, #f0f7ff 0%, #e0f2fe 100%);
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
}

.style-icon {
    font-size: 3rem;
}

.style-info h4 {
    font-size: 1.5rem;
    color: var(--otaku-dark);
    margin-bottom: 0.5rem;
}

.see-products-btn {
    background: var(--otaku-gradient);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.see-products-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--otaku-shadow);
}

/* HEATMAP DES TENDANCES */
.trends-heatmap {
    padding: 4rem 0;
    background: var(--otaku-dark);
    color: white;
}

.trends-heatmap .section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.trends-heatmap h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.trends-heatmap p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
}

.heatmap-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.heatmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.trend-cell {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.trend-cell::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: all 0.3s ease;
}

.trend-cell.cold::before { background: #3b82f6; }
.trend-cell.moderate::before { background: #f59e0b; }
.trend-cell.hot::before { background: #ef4444; }
.trend-cell.very-hot::before { background: #dc2626; }

.trend-cell:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.trend-cell.very-hot {
    background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
    animation: heatPulse 2s ease-in-out infinite;
}

.trend-cell.hot {
    background: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
}

.trend-cell.moderate {
    background: linear-gradient(135deg, #f59e0b 0%, #eab308 100%);
}

.cell-content {
    position: relative;
    z-index: 2;
}

.trend-name {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.trend-score {
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--otaku-accent);
}

.heatmap-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

.legend-color.cold { background: #3b82f6; }
.legend-color.moderate { background: #f59e0b; }
.legend-color.hot { background: #ef4444; }
.legend-color.very-hot { background: #dc2626; }

/* TABLEAU COMPARATIF MATÉRIAUX */
.materials-comparison {
    padding: 4rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--otaku-dark);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--otaku-text-light);
}

.comparison-table-wrapper {
    overflow-x: auto;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    background: white;
    border: 1px solid var(--otaku-border);
}

.materials-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    background: white;
}

.materials-table thead tr {
    background: var(--otaku-gradient);
    color: white;
    text-align: left;
}

.materials-table th,
.materials-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--otaku-border);
    vertical-align: top;
}

.materials-table th {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.material-row {
    transition: all 0.3s ease;
    cursor: pointer;
}

.material-row:hover {
    background: linear-gradient(135deg, #f0f7ff 0%, #e0f2fe 100%);
    transform: scale(1.02);
}

.material-name strong {
    color: var(--otaku-dark);
    font-size: 1.1rem;
}

.rating-cell {
    font-size: 1.2rem;
    text-align: center;
}

.price-cell {
    text-align: center;
    font-weight: 600;
    color: var(--otaku-accent);
    font-size: 1.1rem;
}

.recommendation-cell {
    color: var(--otaku-text);
    font-style: italic;
    max-width: 200px;
}

/* GRILLE AVANCÉE ARTICLES */
.otaku-articles {
    padding: 4rem 0;
    background: white;
}

.articles-grid-advanced {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.otaku-article-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    border: 1px solid var(--otaku-border);
    position: relative;
    cursor: pointer;
}

.otaku-article-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 400px;
}

.otaku-article-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(30, 64, 175, 0.15);
}

.card-image-container {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.otaku-article-card.featured .card-image-container {
    height: 100%;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.otaku-article-card:hover .card-image {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    justify-content: space-between;
    z-index: 3;
}

.design-tag,
.material-tag {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.material-tag {
    background: rgba(30, 64, 175, 0.9);
}

.quick-view-btn {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    background: var(--otaku-gradient);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.otaku-article-card:hover .quick-view-btn {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.card-content {
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.card-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.title-link {
    color: var(--otaku-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.title-link:hover {
    color: var(--otaku-primary);
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--otaku-text-light);
}

.rating-stars {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stars {
    color: var(--otaku-accent);
}

.card-description {
    color: var(--otaku-text);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.card-features {
    margin-bottom: 1.5rem;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.feature-tag {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    color: var(--otaku-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.size-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sizes-label {
    font-size: 0.9rem;
    color: var(--otaku-text-light);
    font-weight: 500;
}

.size-dots {
    display: flex;
    gap: 0.5rem;
}

.size-dot {
    width: 32px;
    height: 32px;
    border: 2px solid var(--otaku-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--otaku-text);
    transition: all 0.3s ease;
    cursor: pointer;
}

.size-dot:hover,
.size-dot.selected {
    border-color: var(--otaku-primary);
    background: var(--otaku-gradient);
    color: white;
}

.card-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price-current {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--otaku-primary);
}

.price-original {
    font-size: 1rem;
    color: var(--otaku-text-light);
    text-decoration: line-through;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--otaku-gradient);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--otaku-shadow);
}

.btn-wishlist {
    background: none;
    border: 2px solid var(--otaku-border);
    color: var(--otaku-text-light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-wishlist:hover,
.btn-wishlist.active {
    border-color: #ef4444;
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* PAGINATION */
.pagination-otaku {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: 16px;
    border: 1px solid var(--otaku-border);
}

.pagination-info {
    color: var(--otaku-text-light);
    font-size: 0.95rem;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-btn {
    background: var(--otaku-gradient);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:disabled {
    background: #cbd5e1;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-num {
    width: 40px;
    height: 40px;
    border: 2px solid var(--otaku-border);
    background: white;
    color: var(--otaku-text);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.page-num:hover,
.page-num.active {
    border-color: var(--otaku-primary);
    background: var(--otaku-gradient);
    color: white;
}

.page-dots {
    color: var(--otaku-text-light);
    font-weight: 600;
    padding: 0 0.5rem;
}

/* NO ARTICLES */
.no-articles {
    padding: 4rem 2rem;
    text-align: center;
}

.no-articles-content {
    max-width: 500px;
    margin: 0 auto;
    background: linear-gradient(135deg, #f0f7ff 0%, #e0f2fe 100%);
    padding: 3rem 2rem;
    border-radius: 20px;
    border: 1px solid var(--otaku-border);
}

.no-articles-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.no-articles-content h3 {
    font-size: 1.8rem;
    color: var(--otaku-dark);
    margin-bottom: 1rem;
}

.no-articles-content p {
    color: var(--otaku-text);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.notify-btn {
    background: var(--otaku-gradient);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.notify-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--otaku-shadow);
}

/* AVANTAGES */
.otaku-advantages {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--otaku-dark) 0%, #1e293b 100%);
    color: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.advantage-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.advantage-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.advantage-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

/* LOADING ANIMATION */
.otaku-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--otaku-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.otaku-loading.active {
    opacity: 1;
    visibility: visible;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-kanji {
    font-size: 6rem;
    font-weight: 900;
    margin-bottom: 1rem;
    animation: loadingKanji 2s ease-in-out infinite;
}

.loading-text {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.loading-progress {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar-loading {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 2px;
    animation: loadingProgress 1.5s ease-in-out infinite;
}

/* ANIMATIONS */
@keyframes particleFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

@keyframes floatKanji {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg);
        opacity: 0.05;
    }
    50% { 
        transform: translateY(-30px) rotate(5deg);
        opacity: 0.1;
    }
}

@keyframes glitchEffect {
    0% { transform: translateX(0); }
    10% { transform: translateX(-2px) skewX(-5deg); }
    20% { transform: translateX(2px) skewX(5deg); }
    30% { transform: translateX(-2px) skewX(-5deg); }
    40% { transform: translateX(2px) skewX(5deg); }
    50% { transform: translateX(0); }
    100% { transform: translateX(0); }
}

@keyframes pulseGlow {
    0%, 100% { 
        opacity: 0.6;
        transform: scale(1);
    }
    50% { 
        opacity: 0.9;
        transform: scale(1.05);
    }
}

@keyframes heatPulse {
    0%, 100% { 
        box-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
    }
    50% { 
        box-shadow: 0 0 40px rgba(220, 38, 38, 0.8);
    }
}

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

@keyframes loadingKanji {
    0%, 100% { 
        transform: scale(1) rotate(0deg);
    }
    50% { 
        transform: scale(1.1) rotate(15deg);
    }
}

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

/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .filter-grid {
        grid-template-columns: 1fr;
    }
    
    .otaku-article-card.featured {
        grid-column: span 1;
        display: block;
    }
}

@media (max-width: 768px) {
    .otaku-category-main {
        padding-top: 20px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .showcase-image {
        width: 300px;
        height: 300px;
    }
    
    .articles-grid-advanced {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .pagination-otaku {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator-navigation {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 500px) {
    .floating-kanji {
        font-size: 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2,
    .trends-heatmap h2 {
        font-size: 2rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .heatmap-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .heatmap-legend {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .comparison-table-wrapper {
        font-size: 0.85rem;
    }
    
    .materials-table th,
    .materials-table td {
        padding: 0.5rem;
    }
}