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

:root {
    /* Colors */
    --shopee-red: #ee4d2d;
    --shopee-orange: #ff6633;
    --shopee-light: #fff5f2;
    --dark: #1a1a1a;
    --gray: #666666;
    --light-gray: #f5f5f5;
    --border: #e0e0e0;
    --white: #ffffff;
    --gold: #ffd700;
    --green: #4caf50;
    --blue: #1e88e5;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    --spacing-xxl: 80px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--dark);
    background: var(--white);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================
   BANNER TẾT STICKY
   ========================================== */
.tet-banner {
    position: sticky;
    top: 0;
    z-index: 999;
    background: linear-gradient(135deg, var(--shopee-red) 0%, var(--shopee-orange) 50%, var(--gold) 100%);
    padding: 16px 0;
    box-shadow: 0 4px 20px rgba(238, 77, 45, 0.4);
    animation: slideDown 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.banner-text {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    color: var(--white);
    font-size: 18px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-icon {
    font-size: 24px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.banner-main {
    font-size: 20px;
    letter-spacing: 0.5px;
}

.banner-sub {
    font-size: 16px;
    opacity: 0.95;
}

.countdown-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.25);
    padding: 10px 20px;
    border-radius: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.countdown-label {
    font-size: 14px;
    color: var(--white);
    font-weight: 500;
}

.countdown-display {
    font-size: 18px;
    font-weight: 800;
    color: var(--gold);
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}

.banner-cta {
    background: linear-gradient(135deg, var(--white) 0%, #fafafa 100%);
    color: var(--shopee-red);
    border: none;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

.banner-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* ==========================================
   POPUP TẾT
   ========================================== */
.tet-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
}

.tet-popup.active {
    display: block;
}

.popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

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

.popup-content {
    position: relative;
    max-width: 520px;
    margin: 100px auto;
    background: linear-gradient(135deg, var(--shopee-red) 0%, var(--shopee-orange) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg) var(--spacing-lg);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--white);
}

@keyframes zoomIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.popup-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.25);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 22px;
    transition: all 0.3s ease;
}

.popup-close:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: rotate(90deg);
}

.popup-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.popup-lantern {
    position: absolute;
    font-size: 48px;
    animation: swing 3s ease-in-out infinite;
}

.popup-lantern.left {
    left: -30px;
    top: -20px;
}

.popup-lantern.right {
    right: -30px;
    top: -20px;
    animation-delay: 0.5s;
}

@keyframes swing {
    0%, 100% { transform: rotate(-12deg); }
    50% { transform: rotate(12deg); }
}

.popup-title {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 12px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
    line-height: 1.3;
}

.popup-subtitle {
    font-size: 18px;
    opacity: 0.95;
    font-weight: 600;
}

.popup-offers {
    display: grid;
    gap: 16px;
    margin-bottom: var(--spacing-md);
}

.popup-offer {
    background: rgba(255, 255, 255, 0.2);
    padding: 18px 20px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    transition: all 0.3s ease;
}

.popup-offer:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateX(5px);
}

.popup-offer i {
    font-size: 28px;
    color: var(--gold);
    flex-shrink: 0;
}

.popup-offer span {
    font-size: 15px;
    line-height: 1.5;
}

.countdown-popup {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding: 18px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.popup-cta {
    width: 100%;
    background: var(--white);
    color: var(--shopee-red);
    border: none;
    padding: 18px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 17px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.popup-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.35);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    background: linear-gradient(135deg, var(--shopee-red) 0%, var(--shopee-orange) 100%);
    color: var(--white);
    padding: var(--spacing-xxl) 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,96C1248,75,1344,53,1392,42.7L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.4;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.25);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 56px;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    animation: fadeInUp 0.6s ease 0.2s backwards;
    letter-spacing: -0.5px;
}

.hero-title .highlight {
    color: var(--gold);
    display: block;
    margin-top: 12px;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    animation: fadeInUp 0.6s ease 0.4s backwards;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.6s backwards;
}

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

.stat-number {
    font-size: 56px;
    font-weight: 900;
    color: var(--gold);
    display: block;
    line-height: 1;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
    margin-top: 8px;
    font-weight: 600;
}

.hero-cta {
    background: var(--white);
    color: var(--shopee-red);
    border: none;
    padding: 20px 48px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 17px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
    animation: fadeInUp 0.6s ease 0.8s backwards;
}

.hero-cta:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

/* ==========================================
   SECTION TITLES
   ========================================== */
.section-title {
    font-size: 42px;
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
    letter-spacing: -0.5px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(180deg, var(--shopee-light) 0%, var(--white) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.about-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--shopee-red);
}

.about-card i {
    font-size: 56px;
    color: var(--shopee-red);
    margin-bottom: var(--spacing-md);
    display: block;
}

.about-card h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.about-card p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.7;
}

/* ==========================================
   PRODUCTS SECTION
   ========================================== */
.products {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-hover);
    border-color: var(--shopee-red);
}

.product-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 10px 20px;
    border-radius: 50px;
    color: var(--white);
    font-weight: 800;
    font-size: 13px;
    z-index: 10;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    letter-spacing: 0.5px;
}

.product-image-link {
    display: block;
    position: relative;
    overflow: hidden;
    background: var(--light-gray);
}

.product-image {
    width: 100%;
    height: 320px;
    object-fit: cover;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.product-image-link:hover .product-image {
    transform: scale(1.08);
}

.product-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--shopee-light);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    color: var(--shopee-red);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    width: fit-content;
}

.product-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-description {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-benefits {
    list-style: none;
    margin-bottom: var(--spacing-sm);
}

.product-benefits li {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.6;
}

.product-benefits i {
    color: var(--green);
    margin-top: 3px;
    flex-shrink: 0;
    font-size: 16px;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: var(--spacing-sm);
}

.tag {
    background: var(--light-gray);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 12px;
    color: var(--gray);
    font-weight: 700;
    border: 1px solid var(--border);
}

.product-review {
    background: var(--shopee-light);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    border: 1px solid rgba(238, 77, 45, 0.15);
}

.stars {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
}

.stars i {
    color: var(--gold);
    font-size: 16px;
}

.review-text {
    font-size: 14px;
    color: var(--gray);
    font-style: italic;
    line-height: 1.6;
}

.product-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--shopee-red) 0%, var(--shopee-orange) 100%);
    color: var(--white);
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 20px rgba(238, 77, 45, 0.35);
    margin-top: auto;
}

.product-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 32px rgba(238, 77, 45, 0.45);
}

/* ==========================================
   TRUST SECTION
   ========================================== */
.trust {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--shopee-light) 100%);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.trust-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border);
}

.trust-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--shopee-red);
}

.trust-card i {
    font-size: 56px;
    color: var(--shopee-red);
    margin-bottom: var(--spacing-md);
}

.trust-card h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.trust-card p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.7;
}

/* ==========================================
   FAQ SECTION
   ========================================== */
.faq {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.faq-list {
    max-width: 900px;
    margin: var(--spacing-xl) auto 0;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--shopee-red);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 24px 28px;
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    text-align: left;
}

.faq-question:hover {
    background: var(--shopee-light);
    color: var(--shopee-red);
}

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--shopee-red);
    font-size: 20px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
    max-height: 600px;
}

.faq-answer p,
.faq-answer ul {
    padding: 0 28px 24px;
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
}

.faq-answer ul {
    list-style: disc;
    margin-left: 20px;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    font-size: 15px;
    line-height: 1.7;
    opacity: 0.85;
    margin-bottom: var(--spacing-sm);
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 20px;
}

.footer-social a:hover {
    background: var(--shopee-red);
    transform: translateY(-4px);
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 15px;
    opacity: 0.85;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--shopee-red);
    transform: translateX(5px);
}

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-disclaimer p {
    font-size: 14px;
    line-height: 1.7;
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 15px;
    opacity: 0.75;
}

/* ==========================================
   SCROLL TO TOP
   ========================================== */
.scroll-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--shopee-red);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 6px 24px rgba(238, 77, 45, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 998;
}

.scroll-to-top.active {
    display: flex;
}

.scroll-to-top:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 32px rgba(238, 77, 45, 0.5);
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 32px;
        --spacing-xl: 48px;
        --spacing-xxl: 60px;
    }
    
    .banner-content {
        flex-direction: column;
        gap: 12px;
        padding: 0 16px;
    }

    .banner-text {
        flex-direction: column;
        text-align: center;
        gap: 6px;
    }

    .banner-main {
        font-size: 16px;
    }

    .banner-sub {
        font-size: 14px;
    }

    .countdown-banner {
        width: 100%;
        justify-content: center;
    }

    .banner-cta {
        width: 100%;
        justify-content: center;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 17px;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .section-title {
        font-size: 32px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .popup-content {
        margin: 20px;
    }

    .popup-title {
        font-size: 26px;
    }

    .popup-lantern {
        font-size: 36px;
    }
    
    .product-image {
        height: 280px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .stat-number {
        font-size: 48px;
    }
}