:root {
    --primary-color: #2563eb;
    --secondary-color: #6b7280;
    --background-color: #f3f4f6;
    --hover-color: #1d4ed8;
    --border-color: #e5e7eb;
    --font-color: #111827;
    --highlight-color: #facc15;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    background-color: var(--background-color);
    padding-top: 88px;
}

/* HEADER / NAVBAR */

.headerContainer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 0px 32px;
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.12);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 88px;
    z-index: 70;
}

header h1 {
    display: flex;
    align-items: center;
    font-size: 1.7rem;
    font-weight: 800;
    gap: -5px;
    letter-spacing: 0.06em;
    color: #111827;
}

header h1 img {
    margin-top: 10px;
    width: 75px;
    height: 75px;
    border-radius: 12px;
    object-fit: cover;
}

header h1 img:hover {
    transform: scale(1.04);
}

nav {
    display: flex;
    gap: 12px;
}

nav a {
    text-decoration: none;
    color: #111827;
    padding: 8px 18px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    background-color: #f3f4f6;
    border: 1px solid transparent;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

nav a:hover {
    background-color: #111827;
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.25);
    transform: translateY(-1px);
}

/* CART MODAL */

.cart-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 80;
}

.cart-modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.cart-modal {
    background: #ffffff;
    width: 95%;
    max-width: 480px;
    padding: 22px 22px 18px;
    border-radius: 18px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
    transform: translateY(24px);
    transition: transform 0.2s ease;
}

.cart-modal-overlay.open .cart-modal {
    transform: translateY(0);
}

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

.cart-modal-header h2 {
    margin: 0;
    font-size: 1.4rem;
    color: #111827;
}

.cart-modal-close {
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: #6b7280;
}

.cart-modal-body {
    margin-top: 14px;
    max-height: 340px;
    overflow-y: auto;
}

.cart-modal-empty {
    text-align: center;
    padding: 20px 8px;
    font-size: 0.95rem;
    color: #6b7280;
}

.cart-modal-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f9fafb;
    border-radius: 12px;
    padding: 10px 12px;
}

.cart-item img {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    object-fit: contain;
    background: #e5e7eb;
}

.cart-info {
    flex: 1;
}

.cart-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: #111827;
}

.cart-meta {
    font-size: 0.85rem;
    color: #6b7280;
}

.cart-remove {
    font-size: 20px;
    color: #ef4444;
    cursor: pointer;
    padding-left: 4px;
}

.cart-modal-footer {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 14px;
}

.cart-modal-footer button {
    border: none;
    border-radius: 999px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
}

#cart-keep-shopping {
    background-color: #2563eb;
    color: #ffffff;
}

#cart-close-bottom {
    background-color: #e5e7eb;
    color: #111827;
}

/* MAIN CONTAINER & LAYOUT */

.container {
    max-width: 1200px;
    margin: 24px auto 40px;
    padding: 0 16px;
}

.checkoutLayout {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 28px;
    background-color: #f9fafb;
    border-radius: 24px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.18);
    padding: 26px 26px 28px;
}

/* LEFT: DELIVERY FORM */

.checkoutLayout .form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 20px;
    background-color: #ffffff;
    border-radius: 18px;
    padding: 22px 20px 20px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
}

.checkoutLayout .form h1 {
    grid-column: 1 / -1;
    margin: 0 0 10px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.checkoutLayout .form .group:nth-child(-n+4) {
    grid-column: 1 / -1;
}

.checkoutLayout .form label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--font-color);
}

.checkoutLayout .form input,
.checkoutLayout .form select {
    width: 100%;
    padding: 11px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background-color: #f9fafb;
    font-size: 0.9rem;
    color: var(--font-color);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.checkoutLayout .form input:focus,
.checkoutLayout .form select:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

.checkoutLayout .form input::placeholder {
    color: var(--secondary-color);
}

/* RIGHT: SUMMARY + PAYMENT */

.right {
    background-color: #ffffff;
    border-radius: 18px;
    padding: 22px 20px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.right h1 {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 10px;
}

.summary {
    margin-bottom: 4px;
}

.return {
    background-color: #f9fafb;
    border-radius: 14px;
    padding: 14px 14px 10px;
    border: 1px solid var(--border-color);
    transition: box-shadow 0.2s ease;
}

.return:hover {
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.12);
}

.row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.93rem;
}

.row:last-child {
    border-bottom: none;
}

.row div:first-child {
    color: var(--secondary-color);
}

.totalQuantity,
.totalPrice {
    font-weight: 700;
    color: #16a34a;
}

/* Payment section */

.payment-container {
    margin-top: 4px;
}

.payment-methods {
    background-color: #f9fafb;
    border-radius: 14px;
    padding: 14px 14px 10px;
    border: 1px solid var(--border-color);
    transition: box-shadow 0.2s ease;
}

.payment-methods:hover {
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.12);
}

.payment-methods h1 {
    font-size: 1.4rem;
    margin: 0 0 10px;
    color: var(--primary-color);
}

.payment-methods label {
    font-size: 0.95rem;
    color: var(--font-color);
}

.payment-methods input[type="radio"] {
    margin-right: 8px;
}

.payment-methods .COD,
.payment-methods .razorpay-payment {
    background-color: #ffffff;
    padding: 10px 10px;
    border: 1px solid var(--border-color);
    margin: 6px 0;
    border-radius: 10px;
    transition: background-color 0.15s ease, border-color 0.15s ease;
    display: flex;
    align-items: center;
}

.payment-methods .COD:hover,
.payment-methods .razorpay-payment:hover {
    background-color: #eff6ff;
    border-color: var(--primary-color);
}

/* Buttons */

.order-button-container {
    margin-top: 16px;
    text-align: center;
}

.order-button {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #ffffff;
    border: none;
    border-radius: 999px;
    padding: 11px 34px;
    font-size: 0.95rem;
    cursor: pointer;
    font-weight: 700;
    letter-spacing: 0.03em;
    display: inline-block;
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.45);
    transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.order-button:hover {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(30, 64, 175, 0.6);
}

.order-button:active {
    transform: translateY(0);
    box-shadow: 0 8px 18px rgba(30, 64, 175, 0.5);
}

/* SUCCESS MODAL */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 90;
}

.modal-overlay.show {
    display: flex;
}

.modal-content {
    background: #ffffff;
    padding: 24px 22px;
    border-radius: 18px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
    max-width: 440px;
    width: 92%;
    text-align: center;
}

.modal-content h1 {
    color: #16a34a;
    margin: 0 0 8px;
    font-size: 1.6rem;
    font-weight: 700;
}

.modal-content p {
    color: #374151;
    margin: 0 0 18px;
    font-size: 0.95rem;
}

.modal-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.modal-buttons button {
    border: none;
    border-radius: 999px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
}

#success-home {
    background-color: #2563eb;
    color: #ffffff;
}

#success-close {
    background-color: #e5e7eb;
    color: #111827;
}

/* FOOTER */

footer {
    background: linear-gradient(90deg, #111827, #1f2937, #111827);
    color: #e5e7eb;
    width: 100%;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.25);
    box-sizing: border-box;
    padding: 20px 10px 10px;
    margin-top: 26px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-columns {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-col {
    flex: 1 1 200px;
}

.footer-col h4 {
    margin: 0 0 8px;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-col p,
.footer-col a,
.footer-col li {
    font-size: 0.85rem;
    color: #d1d5db;
    margin: 4px 0;
}

.footer-col a {
    text-decoration: none;
}

.footer-col a:hover {
    color: #ffffff;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-bottom {
    text-align: center;
    font-size: 0.8rem;
    color: #9ca3af;
    margin-top: 12px;
    border-top: 1px solid rgba(55, 65, 81, 0.7);
    padding-top: 8px;
}

/* RESPONSIVE */

@media (max-width: 992px) {
    .checkoutLayout {
        grid-template-columns: 1fr;
        gap: 22px;
        padding: 20px 18px 22px;
    }

    .right {
        order: 2;
    }

    .form {
        order: 1;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 130px;
    }

    .headerContainer {
        padding: 10px 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        height: auto;
    }

    nav {
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 4px;
    }

    .checkoutLayout .form {
        grid-template-columns: 1fr;
    }

    .checkoutLayout .form .group:nth-child(-n+4) {
        grid-column: 1 / 2;
    }
}