/**
 * BlueWave - Curaçao FIFA 2026 Soccer Jersey Shop
 * Modern FIFA World Cup Theme with Curaçao Flag Colors
 * Blue (#002868), Yellow (#FFCE00), White (#FFFFFF)
 */

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Curaçao Flag Colors */
    --curacao-blue: #002868;
    --curacao-yellow: #FFCE00;
    --curacao-white: #FFFFFF;
    
    /* Extended Palette */
    --blue-dark: #001a4d;
    --blue-light: #1a4a8a;
    --yellow-dark: #e6b800;
    --yellow-light: #fff4cc;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-700: #374151;
    --gray-900: #111827;
    
    /* Status Colors */
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    overflow-x: hidden;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--gray-50);
    overflow-x: hidden;
    width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Ensure images never overflow */
img {
    max-width: 100%;
    height: auto;
}

/* ===== HEADER ===== */
.header {
    background: linear-gradient(135deg, var(--curacao-blue) 0%, var(--blue-dark) 100%);
    color: var(--curacao-white);
    padding: 1.5rem 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    margin-bottom: 0.25rem;
}

.logo .subtitle {
    font-size: 0.75rem;
    color: var(--curacao-yellow);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--curacao-white);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--curacao-yellow);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--curacao-yellow);
    border-radius: 3px 3px 0 0;
}

.cart-badge {
    background: var(--curacao-yellow);
    color: var(--curacao-blue);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    margin-left: 0.5rem;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--curacao-blue) 0%, var(--blue-light) 100%);
    color: var(--curacao-white);
    padding: 4rem 0;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 206, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 206, 0, 0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--curacao-yellow);
    font-weight: 600;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--curacao-yellow);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--curacao-white);
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== PRODUCT SECTION ===== */
.product-section {
    padding: 4rem 0;
    overflow-x: hidden;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--curacao-blue);
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-700);
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 100%;
}

/* ===== PRODUCT GALLERY ===== */
.product-gallery {
    position: sticky;
    top: 100px;
    align-self: start;
}

.main-image {
    background: var(--curacao-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    margin-bottom: 1rem;
}

.main-image img {
    width: 100%;
    height: auto;
    display: block;
}

.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
    gap: 0.5rem;
    width: 100%;
    max-width: 100%;
}

.thumbnail {
    cursor: pointer;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid transparent;
    transition: var(--transition);
}

.thumbnail:hover {
    border-color: var(--curacao-yellow);
    transform: translateY(-2px);
}

.thumbnail.active {
    border-color: var(--curacao-blue);
    box-shadow: var(--shadow-md);
}

.thumbnail img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== PRODUCT DETAILS ===== */
.product-details {
    background: var(--curacao-white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.product-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--curacao-blue);
    margin-bottom: 1rem;
}

.product-description {
    font-size: 1rem;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 2rem;
}

/* ===== DESIGNER CREDIT ===== */
.designer-credit {
    display: flex;
    gap: 1rem;
    background: linear-gradient(135deg, var(--blue-light) 0%, var(--curacao-blue) 100%);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
}

.designer-icon {
    font-size: 2.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.designer-info {
    flex: 1;
}

.designer-info strong {
    display: block;
    font-size: 1.125rem;
    color: var(--curacao-yellow);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.designer-info p {
    color: var(--curacao-white);
    line-height: 1.7;
    font-size: 0.9rem;
    margin: 0;
}

/* ===== PRICING ===== */
.pricing-section {
    background: var(--yellow-light);
    border: 2px solid var(--curacao-yellow);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.pricing-section h3 {
    color: var(--curacao-blue);
    font-weight: 700;
    margin-bottom: 1rem;
}

.price-tiers {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.price-tier {
    background: var(--curacao-white);
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.price-tier.highlight {
    background: linear-gradient(135deg, var(--curacao-blue) 0%, var(--blue-light) 100%);
    color: var(--curacao-white);
}

.price-tier .quantity {
    font-weight: 600;
    flex: 1;
}

.price-tier .price {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--curacao-yellow);
}

.price-tier.highlight .price {
    color: var(--curacao-yellow);
}

.price-tier .unit {
    font-size: 0.875rem;
    opacity: 0.8;
}

.price-tier .badge {
    background: var(--curacao-yellow);
    color: var(--curacao-blue);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
}

/* ===== FORM ELEMENTS ===== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--curacao-blue);
    margin-bottom: 0.5rem;
}

.form-group small {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-700);
    margin-top: 0.25rem;
}

.button-group {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    width: 100%;
    max-width: 100%;
}

.radio-button {
    position: relative;
    cursor: pointer;
}

.radio-button input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.radio-button span {
    display: block;
    padding: 0.75rem;
    text-align: center;
    background: var(--gray-100);
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.radio-button input[type="radio"]:checked + span {
    background: var(--curacao-blue);
    border-color: var(--curacao-blue);
    color: var(--curacao-white);
}

.radio-button:hover span {
    border-color: var(--curacao-blue);
}

.form-select,
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-select:focus,
.form-input:focus {
    outline: none;
    border-color: var(--curacao-blue);
    box-shadow: 0 0 0 3px rgba(0, 40, 104, 0.1);
}

/* ===== CUSTOMIZATION ===== */
.customization-section {
    background: linear-gradient(135deg, var(--yellow-light) 0%, var(--curacao-white) 100%);
    border: 2px solid var(--curacao-yellow);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.customization-header {
    margin-bottom: 1.5rem;
}

.customization-header h3 {
    color: var(--curacao-blue);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.customization-header p {
    color: var(--gray-700);
    font-size: 0.875rem;
}

.form-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
}

.customization-preview {
    background: var(--curacao-blue);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.preview-label {
    color: var(--curacao-yellow);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.preview-text {
    color: var(--curacao-white);
    font-size: 2rem;
    font-weight: 900;
    font-family: 'Poppins', sans-serif;
    text-align: center;
    min-height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-placeholder {
    color: rgba(255, 255, 255, 0.4);
    font-size: 1rem;
    font-weight: 400;
}

.error-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    font-weight: 500;
}

/* ===== QUANTITY SELECTOR ===== */
.quantity-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    max-width: 200px;
}

.qty-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--curacao-blue);
    background: var(--curacao-white);
    color: var(--curacao-blue);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.qty-btn:hover {
    background: var(--curacao-blue);
    color: var(--curacao-white);
}

.qty-input {
    flex: 1;
    text-align: center;
    font-weight: 700;
    font-size: 1.125rem;
}

.bulk-savings {
    background: var(--success);
    color: var(--curacao-white);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    margin-top: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
}

/* ===== PRICE DISPLAY ===== */
.price-display {
    background: var(--gray-50);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    font-size: 1.125rem;
}

.price-row.total {
    border-top: 2px solid var(--gray-300);
    margin-top: 0.5rem;
    padding-top: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--curacao-blue);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--curacao-yellow) 0%, var(--yellow-dark) 100%);
    color: var(--curacao-blue);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    width: 100%;
    padding: 1.25rem;
    font-size: 1.125rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== PRODUCT FEATURES ===== */
.product-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.feature-icon {
    color: var(--success);
    font-weight: 900;
    font-size: 1.25rem;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--curacao-blue);
    color: var(--curacao-white);
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

.footer p {
    margin: 0.5rem 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .product-gallery {
        position: relative;
        top: 0;
        max-width: 100%;
        width: 100%;
    }
    
    .main-image {
        max-width: 100%;
        width: 100%;
    }
    
    .main-image img {
        max-width: 100%;
        width: 100%;
    }
    
    .thumbnail-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 0.375rem;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .button-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .radio-button span {
        padding: 0.875rem 0.5rem;
        font-size: 0.9rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .product-features {
        grid-template-columns: 1fr;
    }
    
    .thumbnail-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.35rem;
        width: 100%;
        max-width: 100%;
    }
    
    .thumbnail {
        border-radius: 6px;
    }
    
    .product-details {
        padding: 1.5rem;
    }
    
    .customization-section {
        padding: 1.25rem;
    }
}

/* Large phones (S25 Ultra, iPhone Pro Max, etc) */
@media (max-width: 430px) {
    .button-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.625rem;
    }
    
    .radio-button span {
        padding: 0.8rem 0.35rem;
        font-size: 0.875rem;
        white-space: nowrap;
    }
    
    .product-details {
        padding: 1.25rem;
    }
    
    .thumbnail-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.3rem;
        width: 100%;
    }
    
    .thumbnail {
        border-radius: 4px;
        border-width: 1px;
    }
    
    .product-gallery {
        width: 100%;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .product-title {
        font-size: 1.5rem;
    }
    
    .nav {
        gap: 1rem;
    }
    
    .logo h1 {
        font-size: 1.125rem;
    }
    
    .product-gallery {
        margin: 0;
        padding: 0;
        width: 100%;
        max-width: 100%;
    }
    
    .main-image {
        border-radius: 12px;
        margin-bottom: 0.75rem;
    }
    
    .thumbnail-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.25rem;
        width: 100%;
        max-width: 100%;
    }
    
    .thumbnail {
        border-radius: 4px;
        border-width: 1px;
    }
    
    .product-details {
        padding: 1rem;
    }
    
    .button-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .radio-button span {
        padding: 0.75rem 0.25rem;
        font-size: 0.85rem;
    }
    
    .customization-section {
        padding: 1rem;
    }
    
    .form-input,
    .form-select {
        padding: 0.625rem 0.75rem;
        font-size: 0.9rem;
    }
    
    .pricing-section,
    .customization-section {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .preview-text {
        font-size: 1.5rem;
    }
    
    .preview-placeholder {
        font-size: 0.875rem;
    }
    
    .customization-header h3 {
        font-size: 1.125rem;
    }
    
    .customization-preview {
        padding: 1rem;
    }
    
    /* Designer Credit Mobile */
    .designer-credit {
        flex-direction: column;
        padding: 1.25rem;
        margin-left: -0.5rem;
        margin-right: -0.5rem;
    }
    
    .designer-icon {
        font-size: 2rem;
        text-align: center;
    }
    
    .designer-info strong {
        font-size: 1rem;
        text-align: center;
    }
    
    .designer-info p {
        font-size: 0.875rem;
        text-align: center;
    }
}