/* 1. Cài đặt chung */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;700;800&family=Inter:wght@400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px;
    position: relative;
}

/* 2. Header & Nav (Sân vận động) */
header {
    grid-column: 1 / span 2;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 50px;
    text-align: center;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
    border: 3px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: drift 20s linear infinite;
}

@keyframes drift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(20px, 20px); }
}

header h1 {
    font-size: 3rem;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
    letter-spacing: 2px;
    animation: slideDown 0.8s ease-out;
}

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

.header-tagline {
    position: relative;
    z-index: 1;
    font-size: 1.1rem;
    margin-top: 10px;
    opacity: 0.9;
}

header::after {
    content: '';
    display: block;
    width: 120px;
    height: 5px;
    background: linear-gradient(90deg, transparent, white, transparent);
    margin: 20px auto 0;
    border-radius: 3px;
    position: relative;
    z-index: 1;
}

nav {
    grid-column: 1 / span 2;
    background: linear-gradient(90deg, #2d3436 0%, #636e72 100%);
    border-radius: 50px;
    margin-top: 20px;
    padding: 15px 30px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 20px;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    flex: 1;
}

nav ul li { 
    margin: 0 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    position: relative;
    display: inline-block;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: -8px;
    left: 0;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

nav ul li a:hover {
    color: #667eea;
    transform: scale(1.05);
}

nav ul li a:hover::after { 
    width: 100%;
}

.user-info {
    color: white;
    font-size: 0.9rem;
    margin-left: 20px;
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.user-info a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.user-info a:hover {
    color: #FFD700;
}

.logout-btn {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 6px 12px;
    border-radius: 8px;
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    margin-left: 15px;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: white;
    color: #001f3f;
}

/* 3. Danh sách sản phẩm */
.filter-section {
    grid-column: 1 / span 2;
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    animation: slideUp 0.6s ease-out;
}

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

.filter-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 20px;
    align-items: center;
}

.search-input, .filter-select {
    padding: 12px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    font-weight: 500;
}

.search-input {
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
}

.search-input:focus, .filter-select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 15px rgba(102, 126, 234, 0.2);
    background: white;
}

.filter-select {
    background: white;
    cursor: pointer;
}

.filter-select:hover {
    border-color: #667eea;
}

.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    padding: 20px 0;
    animation: fadeIn 0.8s ease-out;
}

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

.product-card {
    background: white;
    padding: 25px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid #f0f0f0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    animation: popIn 0.5s ease-out;
}

@keyframes popIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.product-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 50px rgba(102, 126, 234, 0.3);
    border-color: #667eea;
}

.product-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 20px;
    transition: all 0.4s ease;
}

.product-card:hover img {
    transform: scale(1.08) rotate(2deg);
}

.product-card h2 {
    font-size: 1.25rem;
    color: #2d3436;
    margin-bottom: 15px;
    font-weight: 700;
    line-height: 1.4;
    min-height: 60px;
}

.product-brand, .product-sales {
    font-size: 0.9rem;
    color: #667eea;
    font-weight: 600;
    margin-bottom: 8px;
}

.product-price {
    color: #764ba2;
    font-size: 1.3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.product-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.button-compare, .button-rating {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

/* 4. Sidebar (Bảng tỉ số / Bảng chiến thuật) */
.sidebar {
    grid-column: 2;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 40px 30px;
    color: white;
    height: fit-content;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 30px;
    z-index: 10;
}

.sidebar:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.5);
}

.sidebar-section {
    animation: slideInRight 0.8s ease-out;
}

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

.sidebar-section h3 {
    text-transform: uppercase;
    font-size: 1.1rem;
    margin-bottom: 20px;
    text-align: center;
    letter-spacing: 2px;
    font-weight: 700;
    border-bottom: 3px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 15px;
}

.top-sales {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.top-sale-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 15px;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    display: grid;
    grid-template-columns: 40px 1fr 60px;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.top-sale-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateX(5px);
}

.rank {
    font-size: 1.5rem;
    text-align: center;
}

.name {
    font-weight: 600;
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sales {
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 10px;
    border-radius: 8px;
    text-align: center;
}

.social-icons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.2);
    gap: 8px;
}

.social-link .icon {
    font-size: 1.3rem;
}

.social-link:hover { 
    background: white;
    color: #667eea;
    transform: translateX(5px) scale(1.05);
    border-color: white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-info p {
    font-size: 0.9rem;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-info p:hover {
    background: rgba(255, 255, 255, 0.2);
}

.contact-info a {
    color: white;
    text-decoration: none;
    font-weight: 600;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* 5. Nút bấm (Quả bóng / Còi) */
.button {
    padding: 14px 40px;
    border: none;
    cursor: pointer;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    margin-top: 15px;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    border-radius: 30px;
}

.button4 {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.button4::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.button4:hover::before {
    left: 100%;
}

.button4:hover { 
    background: linear-gradient(135deg, #764ba2, #667eea);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.5);
}

.button4:active {
    transform: translateY(-1px);
}

/* 6. Footer (Khán đài tối) */
.footer {
    grid-column: 1 / span 2;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    background: linear-gradient(135deg, #222f3e 0%, #3a4556 100%);
    color: #ecf0f1;
    padding: 60px 50px;
    border-radius: 20px;
    margin-top: 50px;
    border-top: 5px solid #667eea;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.footer-item h3 {
    border-bottom: 3px solid #667eea;
    padding-bottom: 15px;
    margin-bottom: 25px;
    color: #667eea;
    text-transform: uppercase;
    font-size: 1.1rem;
    letter-spacing: 1px;
    font-weight: 700;
}

.footer-item ul {
    list-style: none;
}

.footer-item ul li {
    margin-bottom: 12px;
    color: #b8bcc3;
    line-height: 1.6;
}

.footer-item ul li a {
    color: #667eea;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.footer-item ul li a:hover {
    color: white;
    text-decoration: underline;
}

.copyright {
    grid-column: 1 / span 2;
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #95a5a6;
    font-size: 0.95rem;
}

/* 7. Responsive */
@media (max-width: 1024px) {
    body {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    header, nav, .footer, .copyright {
        grid-column: 1;
    }

    .filter-section {
        grid-column: 1;
    }

    .sidebar {
        grid-column: 1;
        position: static;
    }

    nav {
        position: static;
        top: auto;
    }

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

    .filter-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    body {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 15px;
    }

    header {
        grid-column: 1;
        padding: 30px 20px;
    }

    header h1 {
        font-size: 2rem;
    }

    nav {
        grid-column: 1;
        flex-direction: column;
        gap: 15px;
    }

    nav ul {
        flex-direction: column;
        width: 100%;
    }

    nav ul li {
        margin: 8px 0;
    }

    nav ul li a {
        font-size: 0.85rem;
    }

    .filter-section {
        grid-column: 1;
    }

    .filter-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .product-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .sidebar {
        grid-column: 1;
        position: static;
    }

    .footer {
        grid-column: 1;
        grid-template-columns: 1fr;
        padding: 40px 20px;
        gap: 30px;
    }

    .footer-item h3 {
        margin-bottom: 15px;
    }
}

/* ============ MODAL & POPUP ============ */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: white;
    padding: 40px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: slideUp 0.3s ease;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #999;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close:hover {
    color: #000;
    transform: rotate(90deg);
}

.modal-content h2 {
    margin-bottom: 20px;
    color: #2d3436;
    font-size: 1.8rem;
}

.rating-input {
    margin: 20px 0;
}

.star-rating {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 15px 0;
}

.star {
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.5;
}

.star:hover,
.star.active {
    opacity: 1;
    transform: scale(1.2);
}

#rating-comment {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.95rem;
    resize: vertical;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

#rating-comment:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 15px rgba(102, 126, 234, 0.2);
}

/* ============ NOTIFICATION ============ */
.notification {
    position: fixed;
    bottom: -100px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 30px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    z-index: 10000;
    transition: bottom 0.3s ease;
    max-width: 400px;
    font-weight: 600;
}

.notification.show {
    bottom: 20px;
}

/* ============ LOGOUT BUTTON ============ */
.logout-btn {
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 5px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    margin-left: 10px;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: #ff5252;
    transform: scale(1.05);
}

/* ============ LOADING ANIMATION ============ */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spinner {
    border: 4px solid rgba(0, 31, 63, 0.1);
    border-top: 4px solid #001f3f;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

/* ============================================================
   MINH TRIỀU SPORT - BRAND COLOR SCHEME UPDATE
   Navy Blue (#001f3f) + Gold (#FFD700)
   ============================================================ */

:root {
    --primary-navy: #001f3f;
    --primary-navy-light: #1a3a52;
    --secondary-gold: #FFD700;
    --text-dark: #0a1628;
    --text-light: #ffffff;
    --border-navy: #0d2a47;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8f0f7 100%);
}

/* Update all gradients and colors */
header {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%) !important;
    box-shadow: 0 20px 40px rgba(0, 31, 63, 0.3) !important;
    border-color: var(--secondary-gold) !important;
}

header h1 {
    font-family: 'Oswald', sans-serif;
    font-weight: 800;
    letter-spacing: 2px;
}

.header-tagline {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    letter-spacing: 1px;
}

nav {
    background: linear-gradient(90deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%) !important;
    box-shadow: 0 8px 20px rgba(0, 31, 63, 0.2) !important;
}

nav ul li a::after {
    background: linear-gradient(90deg, var(--secondary-gold), var(--secondary-gold)) !important;
}

nav ul li a:hover {
    color: var(--secondary-gold) !important;
}

.filter-section {
    background: white !important;
}

.search-input:focus, .filter-select:focus {
    border-color: var(--primary-navy) !important;
    box-shadow: 0 0 15px rgba(0, 31, 63, 0.15) !important;
}

.filter-select:hover {
    border-color: var(--primary-navy) !important;
}

.product-card {
    border-color: #f0f0f0 !important;
}

.product-card::before {
    background: linear-gradient(90deg, var(--secondary-gold), var(--secondary-gold)) !important;
}

.product-card:hover {
    transform: translateY(-15px) scale(1.02) !important;
    box-shadow: 0 25px 50px rgba(0, 31, 63, 0.2) !important;
    border-color: var(--primary-navy) !important;
}

.product-brand, .product-sales {
    color: var(--primary-navy) !important;
}

.product-price {
    color: var(--secondary-gold) !important;
    font-weight: 700;
}

.button-compare, .button-rating {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%) !important;
}

.button-compare:hover, .button-rating:hover {
    box-shadow: 0 8px 20px rgba(0, 31, 63, 0.3) !important;
}

.sidebar {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%) !important;
    box-shadow: 0 15px 40px rgba(0, 31, 63, 0.3) !important;
}

.sidebar:hover {
    box-shadow: 0 20px 50px rgba(0, 31, 63, 0.4) !important;
}

.sidebar-section h3 {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.top-sale-item:hover {
    background: rgba(255, 215, 0, 0.15) !important;
}

.social-icons a {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%) !important;
}

.contact-info a {
    color: var(--secondary-gold) !important;
}

.footer {
    background: linear-gradient(135deg, #0a1628 0%, #1a2f4a 100%) !important;
    border-top: 5px solid var(--secondary-gold) !important;
}

.footer-item h3 {
    font-family: 'Oswald', sans-serif;
    border-bottom: 3px solid var(--secondary-gold) !important;
    color: var(--secondary-gold) !important;
    text-transform: uppercase;
}

.footer-item ul li a {
    color: var(--secondary-gold) !important;
}

.footer-item ul li a:hover {
    color: white !important;
}

.modal-content {
    background: white !important;
}

.modal-content h2 {
    font-family: 'Oswald', sans-serif;
    color: var(--primary-navy) !important;
}

.star-rating .star.active {
    color: var(--secondary-gold) !important;
}

.notification {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%) !important;
}

.button, button {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.button:hover {
    transform: translateY(-2px) !important;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', sans-serif;
}

p, span, a, label {
    font-family: 'Inter', sans-serif;
}

/* Highlight colors for accents */
.text-navy {
    color: var(--primary-navy) !important;
}

.text-gold {
    color: var(--secondary-gold) !important;
}

.bg-navy {
    background: linear-gradient(135deg, var(--primary-navy), var(--primary-navy-light)) !important;
}

.bg-gold {
    background: var(--secondary-gold) !important;
    color: var(--primary-navy) !important;
}

/* ============================================================
   BANNER HERO STYLES
   ============================================================ */

.banner-hero {
    grid-column: 1 / span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0px;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
    padding: 50px;
    border-radius: 20px;
    color: white;
    margin-bottom: 40px;
    box-shadow: 0 20px 50px rgba(0, 31, 63, 0.3);
    max-height: 400px;
}

.banner-content h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.banner-content p {
    font-size: 1.3rem;
    margin-bottom: 12px;
    opacity: 0.95;
}

.btn-hero {
    background: var(--secondary-gold);
    color: var(--primary-navy);
    padding: 18px 50px;
    border: none;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
}

.banner-image {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.banner-image img {
    width: 95%;
    height: 300px;
    max-width: 350px;
    object-fit: cover;
    border-radius: 12px;
}

/* ============================================================
   PLAYING STYLE SECTION
   ============================================================ */

.playing-style-section {
    grid-column: 1 / span 2;
    margin-bottom: 40px;
}

.playing-style-section h2 {
    font-family: 'Oswald', sans-serif;
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--primary-navy);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.style-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.style-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    border-left: 5px solid var(--secondary-gold);
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 31, 63, 0.1);
    transition: all 0.3s ease;
}

.style-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 31, 63, 0.2);
}

.style-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.style-card h3 {
    font-family: 'Oswald', sans-serif;
    color: var(--primary-navy);
    font-size: 1.5rem;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.style-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.style-card a {
    display: inline-block;
    color: var(--secondary-gold);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.style-card a:hover {
    color: var(--primary-navy);
}

/* ============================================================
   HOT DEALS / FLASH SALE SECTION
   ============================================================ */

.hot-deals-section {
    grid-column: 1 / span 2;
    background: linear-gradient(135deg, var(--secondary-gold) 0%, #FFC700 100%);
    padding: 40px;
    border-radius: 15px;
    color: var(--primary-navy);
    margin-bottom: 40px;
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.3);
}

.deal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 15px;
}

.hot-deals-section h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
}

.countdown {
    display: flex;
    gap: 20px;
}

.time-unit {
    background: rgba(0, 31, 63, 0.15);
    padding: 12px 18px;
    border-radius: 10px;
    text-align: center;
    min-width: 70px;
}

.time-unit span {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-navy);
}

.time-unit p {
    font-size: 0.75rem;
    margin-top: 5px;
    color: var(--primary-navy);
}

.deal-subtitle {
    font-size: 1.1rem;
    margin: 0;
    opacity: 0.9;
    text-align: center;
}

@media (max-width: 768px) {
    .banner-hero {
        grid-column: 1;
        grid-template-columns: 1fr;
        padding: 40px 20px;
    }
    
    .banner-content h2 {
        font-size: 1.8rem;
    }
    
    .playing-style-section h2,
    .hot-deals-section h2 {
        font-size: 1.5rem;
    }
    
    .deal-header {
        flex-direction: column;
        align-items: center;
    }
    
    .countdown {
        justify-content: center;
    }
}

/* ============================================================
   MEGA MENU DROPDOWN STYLES
   ============================================================ */

.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown .dropdown-menu {
    display: none !important;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0, 31, 63, 0.25);
    padding: 30px;
    min-width: 400px;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    z-index: 1000;
    animation: slideDown 0.3s ease-out;
}

.nav-dropdown:hover .dropdown-menu {
    display: grid !important;
}

.dropdown-column h4 {
    font-family: 'Oswald', sans-serif;
    color: var(--primary-navy);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--secondary-gold);
}

.dropdown-column a {
    display: block;
    padding: 10px 0;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    padding-left: 12px;
}

.dropdown-column a:hover {
    color: var(--secondary-gold);
    border-left-color: var(--secondary-gold);
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .nav-dropdown .dropdown-menu {
        min-width: 100%;
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   MINH TRIỀU'S REVIEW SECTION
   ============================================================ */

.minhtrieu-review {
    background: linear-gradient(135deg, rgba(0, 31, 63, 0.05), rgba(255, 215, 0, 0.05));
    border-left: 5px solid var(--secondary-gold);
    border-radius: 12px;
    padding: 25px;
    margin: 30px 0;
    box-shadow: 0 5px 15px rgba(0, 31, 63, 0.08);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.review-header h3 {
    font-family: 'Oswald', sans-serif;
    color: var(--primary-navy);
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0;
}

.review-badge {
    background: var(--secondary-gold);
    color: var(--primary-navy);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.review-content p {
    color: #333;
    line-height: 1.8;
    margin: 12px 0;
    font-size: 0.95rem;
}

.review-content strong {
    color: var(--primary-navy);
    font-weight: 700;
}

.review-content ul {
    margin: 12px 0 12px 20px;
    color: #555;
}

.review-content li {
    margin: 8px 0;
    line-height: 1.6;
}