/* =========================================
   UYÊN ƯƠNG SHOP
   Giao diện đỏ - trắng - phong cách cưới Huế
   ========================================= */

:root {
    --red: #b5121b;
    --red-dark: #8f0d14;
    --red-light: #fff1f2;
    --white: #ffffff;
    --cream: #fffaf8;
    --text: #2b2020;
    --text-light: #756666;
    --border: #eadede;
    --shadow: 0 8px 25px rgba(120, 20, 30, 0.10);
    --radius: 16px;
}

/* =========================================
   RESET
   ========================================= */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Be Vietnam Pro', Arial, Helvetica, sans-serif;
    background: var(--cream);
    color: var(--text);
    line-height: 1.6;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--red);
    text-decoration: none;
}

a:hover {
    color: var(--red-dark);
}

/* =========================================
   HEADER
   ========================================= */

header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

header > *,
nav {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

header h1,
header .logo {
    color: var(--red);
    font-family: 'Playfair Display', Georgia, "Times New Roman", serif;
    font-weight: 700;
}

nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 10px 16px;
    flex-wrap: wrap;
}

nav a {
    color: var(--text);
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 10px;
}

nav a:hover {
    background: var(--red-light);
    color: var(--red);
}

/* =========================================
   MAIN
   ========================================= */

main {
    width: min(1200px, calc(100% - 30px));
    margin: 0 auto;
    padding: 25px 0 50px;
}

/* =========================================
   TIÊU ĐỀ
   ========================================= */

h1,
h2,
h3 {
    font-family: 'Playfair Display', Georgia, "Times New Roman", serif;
    color: var(--red-dark);
    line-height: 1.3;
}

h1 {
    font-size: clamp(30px, 6vw, 52px);
    margin-bottom: 15px;
}

h2 {
    font-size: clamp(25px, 5vw, 36px);
    margin: 35px 0 18px;
}

h3 {
    font-size: 21px;
    margin-bottom: 10px;
}

p {
    margin-bottom: 14px;
    color: var(--text-light);
}

/* =========================================
   HERO / PHẦN GIỚI THIỆU
   ========================================= */

main > section:first-child,
.hero {
    background: linear-gradient(
        135deg,
        var(--red-dark),
        var(--red)
    );
    color: var(--white);
    border-radius: 24px;
    padding: 40px 25px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.hero h1,
.hero h2,
.hero h3,
main > section:first-child h1,
main > section:first-child h2 {
    color: var(--white);
}

.hero p,
main > section:first-child p {
    color: rgba(255, 255, 255, 0.9);
}

/* =========================================
   LINK / NÚT
   ========================================= */

button,
.btn,
a.button,
a.btn {
    display: inline-block;
    border: none;
    background: var(--red);
    color: var(--white);
    padding: 12px 20px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.2s ease;
}

button:hover,
.btn:hover,
a.button:hover,
a.btn:hover {
    background: var(--red-dark);
    color: var(--white);
    transform: translateY(-1px);
}

/* =========================================
   HÌNH ẢNH SẢN PHẨM
   ========================================= */

main img {
    border-radius: var(--radius);
    background: #f5eeee;
    object-fit: cover;
}

.product-image,
.product img {
    width: 100%;
    border-radius: var(--radius);
}

/* =========================================
   CARD
   ========================================= */

.card,
.product-card,
.product,
article {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.card:hover,
.product-card:hover,
.product:hover {
    transform: translateY(-2px);
    transition: 0.2s ease;
}

/* =========================================
   GIÁ SẢN PHẨM
   ========================================= */

.price {
    color: var(--red);
    font-size: 23px;
    font-weight: 800;
    margin: 10px 0 15px;
}

.product-price {
    color: var(--red);
    font-size: 23px;
    font-weight: 800;
}

/* =========================================
   DANH SÁCH SẢN PHẨM
   ========================================= */

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

/* =========================================
   GIỎ HÀNG
   ========================================= */

.cart {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.cart-item {
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
}

.cart-total {
    color: var(--red);
    font-size: 24px;
    font-weight: 800;
    margin-top: 20px;
}

/* =========================================
   FORM ĐẶT HÀNG
   ========================================= */

form {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

label {
    display: block;
    font-weight: 700;
    margin: 15px 0 6px;
}

input,
textarea,
select {
    width: 100%;
    padding: 13px 15px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    color: var(--text);
    font-size: 16px;
    outline: none;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--red);
    box-shadow: 0 0 0 3px rgba(181, 18, 27, 0.10);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

/* =========================================
   FOOTER
   ========================================= */

footer {
    background: #3b1719;
    color: white;
    text-align: center;
    padding: 30px 20px;
    margin-top: 40px;
}

footer p,
footer a {
    color: rgba(255, 255, 255, 0.85);
}

/* =========================================
   MOBILE
   ========================================= */

@media (max-width: 600px) {

    header {
        position: sticky;
        top: 0;
    }

    header h1,
    header .logo {
        text-align: center;
        padding: 12px 10px 5px;
        font-size: 27px;
    }

    nav {
        overflow-x: auto;
        justify-content: flex-start;
        flex-wrap: nowrap;
        padding: 5px 10px 10px;
    }

    nav a {
        white-space: nowrap;
        font-size: 14px;
    }

    main {
        width: calc(100% - 20px);
        padding-top: 15px;
    }

    main > section:first-child,
    .hero {
        border-radius: 18px;
        padding: 30px 20px;
    }

    h1 {
        font-size: 32px;
    }

    h2 {
        font-size: 27px;
    }

    .card,
    .product-card,
    .product,
    article {
        padding: 14px;
    }

    button,
    .btn,
    a.button,
    a.btn {
        width: 100%;
        text-align: center;
    }
}

/* =========================================
   TABLET
   ========================================= */

@media (min-width: 601px) and (max-width: 900px) {

    main {
        width: calc(100% - 40px);
    }

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

/* =========================================
   DESKTOP
   ========================================= */

@media (min-width: 901px) {

    .products,
    .product-list,
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    main {
        padding-top: 35px;
    }
}
/* ==== Bổ sung cho các phần tử chưa có style ==== */

.brand {
    font-family: 'Playfair Display', Georgia, "Times New Roman", serif;
    font-weight: 700;
    font-size: 22px;
    color: var(--red);
}

header .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

header .nav nav {
    display: flex;
    gap: 15px;
}

.eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--red);
    margin-bottom: 10px;
}

.hero .eyebrow {
    color: rgba(255, 255, 255, 0.85);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    align-items: center;
}

@media (min-width: 901px) {
    .hero-grid {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

.hero-image img {
    border-radius: var(--radius);
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
}

.badge {
    background: var(--red-light);
    color: var(--red-dark);
    padding: 8px 14px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 14px;
}

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

@media (min-width: 901px) {
    .product-card {
        grid-template-columns: 200px 1fr;
        align-items: center;
    }
}
.product-card > img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius);
}