:root {
    --color-dark: #111827;
    --color-text: #374151;
    --color-muted: #6b7280;
    --color-light: #f9fafb;
    --color-white: #ffffff;
    --color-primary: #1f2937;
    --color-accent: #c9a646;
    --radius: 18px;
    --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
}

.site-header {
    background: var(--color-white);
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-dark);
}

.main-nav {
    display: none;
    flex-direction: column;
    gap: 18px;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    padding: 24px 4%;
    background: var(--color-white);
    border-bottom: 1px solid #e5e7eb;
}

.main-nav.open {
    display: flex;
}

.main-nav a {
    font-weight: 600;
    color: var(--color-muted);
}

.main-nav a.active,
.main-nav a:hover {
    color: var(--color-dark);
}

.menu-toggle {
    border: 0;
    background: none;
    font-size: 1.8rem;
    cursor: pointer;
}

.hero {
    padding: 80px 0;
    background: var(--color-light);
}

.hero-content {
    max-width: 760px;
}

.hero h1 {
    font-size: clamp(2.2rem, 6vw, 4.5rem);
    line-height: 1.05;
    margin: 0 0 24px;
    color: var(--color-dark);
}

.hero p {
    font-size: 1.15rem;
    color: var(--color-muted);
    margin-bottom: 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 700;
    background: var(--color-primary);
    color: var(--color-white);
}

.btn:hover {
    opacity: 0.9;
}

.section {
    padding: 72px 0;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--color-dark);
    margin: 0 0 18px;
}

.card-grid {
    display: grid;
    gap: 24px;
}

.card {
    background: var(--color-white);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
}

.site-footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 32px 0;
}

.footer-inner {
    display: grid;
    gap: 8px;
}

.footer-inner p {
    margin: 0;
    color: #d1d5db;
}

@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }

    .main-nav {
        display: flex;
        position: static;
        flex-direction: row;
        gap: 32px;
        padding: 0;
        border: 0;
    }

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

.section-intro {
    max-width: 720px;
    color: var(--color-muted);
    margin-bottom: 36px;
}

.product-card {
    display: flex;
    flex-direction: column;
}

.product-card h2 {
    color: var(--color-dark);
    margin-bottom: 12px;
}

.product-image {
    margin: -28px -28px 24px;
    height: 220px;
    overflow: hidden;
    border-radius: var(--radius) var(--radius) 0 0;
    background: var(--color-light);
}

.product-image img,
.product-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-placeholder {
    height: 100%;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
    color: var(--color-muted);
    font-weight: 700;
}

.image-placeholder.large {
    min-height: 360px;
    border-radius: var(--radius);
}

.product-details {
    padding-left: 0;
    list-style: none;
    margin: 20px 0;
}

.product-details li {
    margin-bottom: 8px;
}

.product-detail {
    display: grid;
    gap: 40px;
}

.product-detail-image {
    min-height: 360px;
}

@media (min-width: 900px) {
    .product-detail {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

.contact-layout {
    display: grid;
    gap: 32px;
}

.contact-info h2 {
    margin-top: 0;
    color: var(--color-dark);
}

.contact-form {
    display: grid;
    gap: 18px;
}

.form-group {
    display: grid;
    gap: 8px;
}

.form-group label {
    font-weight: 700;
    color: var(--color-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 14px;
    padding: 14px 16px;
    font: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: 2px solid var(--color-accent);
    border-color: transparent;
}

.alert {
    padding: 14px 16px;
    border-radius: 14px;
    margin-bottom: 20px;
    font-weight: 600;
}

.alert p {
    margin: 0;
}

.alert.error {
    background: #fee2e2;
    color: #991b1b;
}

.alert.success {
    background: #dcfce7;
    color: #166534;
}

@media (min-width: 900px) {
    .contact-layout {
        grid-template-columns: 0.8fr 1.2fr;
        align-items: start;
    }
}

.btn-secondary {
    background: #e5e7eb;
    color: var(--color-dark);
    margin-left: 8px;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.admin-table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius);
    overflow: hidden;
}

.admin-table th,
.admin-table td {
    padding: 16px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
}

.admin-table th {
    background: var(--color-light);
    color: var(--color-dark);
}

.table-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

.table-actions form {
    margin: 0;
}

.link-button {
    border: 0;
    padding: 0;
    background: none;
    color: #991b1b;
    cursor: pointer;
    font: inherit;
}

.admin-current-image {
    margin-top: 12px;
}

.admin-current-image p {
    margin-bottom: 8px;
    font-weight: 700;
}

.admin-current-image img {
    width: 180px;
    height: 120px;
    object-fit: cover;
    border-radius: 14px;
    border: 1px solid #e5e7eb;
}