:root {
    --primary: #d81b60; /* Pink/Red theme */
    --primary-hover: #c2185b;
    --secondary: #1e293b;
    --success: #10b981;
    --success-hover: #059669;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #0f172a;
    --light: #f8fafc;
    --white: #ffffff;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

/* Reset and Global Styles */
* {
    margin: 0;
    padding: 0;
    box-box: border-box;
    box-sizing: border-box;
}

body {
    font-family: 'Hind Siliguri', 'Inter', sans-serif;
    background-color: #f1f5f9;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.landing-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 15px;
}

/* Helper Utilities */
.text-center { text-align: center; }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.me-2 { margin-right: 8px; }
.ms-2 { margin-left: 8px; }
.mt-3 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.w-100 { width: 100%; }
.d-none { display: none !important; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 700;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #ad1457);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(216, 27, 96, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), #880e4f);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(216, 27, 96, 0.5);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-hover));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

/* Top Countdown Bar */
.top-countdown-bar {
    background-color: var(--primary);
    color: var(--white);
    padding: 12px 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.top-countdown-bar .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.countdown-text {
    font-size: 18px;
    font-weight: 700;
}

.timer-wrapper {
    display: flex;
    gap: 8px;
}

.timer-box {
    background-color: var(--dark);
    color: var(--white);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    min-width: 55px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timer-box span {
    font-size: 18px;
    font-weight: 700;
}

.timer-box label {
    font-size: 10px;
    opacity: 0.7;
    text-transform: uppercase;
}

/* Announcement Banner */
.announcement-banner {
    background-color: var(--dark);
    color: var(--white);
    padding: 8px 0;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
}

/* Product Title */
.product-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--dark);
    margin: 25px 0;
    line-height: 1.3;
}

/* Image Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.gallery-grid img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 3px solid var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.gallery-grid img:hover {
    transform: scale(1.02);
}

.gallery-placeholder {
    grid-column: span 2;
    text-align: center;
    padding: 50px 0;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    color: #64748b;
}

/* CTA Section */
.cta-section {
    margin: 30px 0;
}

.btn-cta {
    font-size: 20px;
    padding: 16px 40px;
    border-radius: 50px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Features Card */
.features-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.features-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.features-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary);
    border-radius: 2px;
}

.features-list {
    list-style: none;
}

.features-list li {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.features-list li i {
    font-size: 18px;
    margin-top: 3px;
    flex-shrink: 0;
}

/* Contact Support */
.contact-support {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 25px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.support-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 15px;
}

.support-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.btn-messenger {
    background-color: #0084ff;
    color: var(--white);
    box-shadow: 0 4px 12px rgba(0, 132, 255, 0.3);
}

.btn-messenger:hover {
    background-color: #006bcf;
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: #25d366;
    color: var(--white);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background-color: #128c7e;
    transform: translateY(-2px);
}

/* Additional Gallery Grid */
.additional-images-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.additional-images-grid img {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
}

/* Promo Banner */
.promo-banner {
    background: linear-gradient(135deg, var(--dark), #1e293b);
    color: var(--white);
    border-radius: var(--radius-md);
    padding: 30px 20px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.promo-badge {
    background-color: var(--primary);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 10px;
}

.promo-text {
    font-size: 22px;
    font-weight: 700;
}

/* Size Chart Section */
.size-chart-section {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.chart-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.table-responsive {
    overflow-x: auto;
}

.size-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.size-table th, .size-table td {
    padding: 12px 15px;
    text-align: center;
    border: 1px solid #e2e8f0;
}

.size-table th {
    background-color: #f8fafc;
    font-weight: 700;
    color: var(--dark);
}

.size-table tr:nth-child(even) td {
    background-color: #f8fafc;
}

/* Checkout Form / Card Styles */
.checkout-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 40px;
    border: 2px solid var(--primary);
}

.checkout-header {
    background-color: var(--primary);
    color: var(--white);
    padding: 20px;
}

.checkout-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
}

.checkout-form {
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
    font-size: 15px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #cbd5e1;
    border-radius: var(--radius-sm);
    font-size: 15px;
    transition: var(--transition);
    outline: none;
    font-family: inherit;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(216, 27, 96, 0.1);
}

/* Option Chips (Size/Color) */
.options-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.option-chip {
    padding: 8px 18px;
    border: 1.5px solid #cbd5e1;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    background-color: var(--white);
    user-select: none;
}

.option-chip.selected {
    border-color: var(--primary);
    background-color: rgba(216, 27, 96, 0.05);
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(216, 27, 96, 0.15);
}

/* Quantity Selector */
.quantity-selector {
    display: inline-flex;
    align-items: center;
    border: 1.5px solid #cbd5e1;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.qty-btn {
    background-color: #f1f5f9;
    border: none;
    width: 40px;
    height: 40px;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
}

.qty-btn:hover {
    background-color: #cbd5e1;
}

.quantity-selector input {
    width: 50px;
    text-align: center;
    border: none;
    outline: none;
    font-weight: 700;
    font-size: 16px;
}

/* Shipping List */
.shipping-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.shipping-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border: 1.5px solid #cbd5e1;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.shipping-item:hover {
    border-color: var(--primary);
}

.shipping-item.selected {
    border-color: var(--primary);
    background-color: rgba(216, 27, 96, 0.05);
}

.shipping-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.shipping-item input[type="radio"] {
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
}

.shipping-price {
    font-weight: 700;
    color: var(--primary);
}

.shipping-loading {
    padding: 15px;
    text-align: center;
    color: #64748b;
}

/* Order Summary Box */
.order-summary-box {
    background-color: #f8fafc;
    border-radius: var(--radius-md);
    padding: 25px;
    border: 1px solid #e2e8f0;
}

.summary-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark);
}

.product-summary {
    display: flex;
    gap: 15px;
    align-items: center;
}

.summary-product-img img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid #cbd5e1;
}

.summary-product-info {
    display: flex;
    flex-direction: column;
}

.summary-product-info .product-name {
    font-weight: 600;
    font-size: 15px;
}

.summary-product-info .product-price {
    font-size: 14px;
    font-weight: 500;
    color: #64748b;
}

.summary-divider {
    border: none;
    border-top: 1px dashed #cbd5e1;
    margin: 20px 0;
}

.summary-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 15px;
    font-weight: 500;
}

.total-row {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

/* Payment Method Box */
.payment-method-box {
    background-color: var(--white);
    border-radius: var(--radius-sm);
    padding: 15px;
    margin-top: 25px;
    margin-bottom: 20px;
    border: 1px solid #e2e8f0;
}

.payment-method-title {
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 12px;
    color: var(--dark);
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.payment-option input {
    accent-color: var(--success);
}

.payment-note {
    font-size: 12px;
    color: #64748b;
    margin-top: 6px;
    margin-left: 24px;
}

.btn-submit-order {
    font-size: 18px;
    padding: 16px 20px;
}

/* Footer Style */
.landing-footer {
    padding: 30px 0;
    background-color: var(--dark);
    color: #94a3b8;
    font-size: 14px;
    margin-top: 50px;
}

/* Animations */
.animate-bounce {
    animation: bounce 1s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(-25%);
        animation-timing-function: cubic-bezier(0.8,0,1,1);
    }
    50% {
        transform: none;
        animation-timing-function: cubic-bezier(0,0,0.2,1);
    }
}

/* Responsive Grid Adjustments */
@media (min-width: 768px) {
    .row {
        display: flex;
        gap: 30px;
    }
    .col-md-6 {
        flex: 1;
    }
}

@media (max-width: 768px) {
    .top-countdown-bar .container {
        flex-direction: column;
        gap: 10px;
    }
    .gallery-grid {
        gap: 10px;
    }
    .support-buttons {
        flex-direction: column;
        gap: 10px;
    }
    .support-buttons .btn {
        width: 100%;
    }
}