/* ========================================
   RASTIX LABS | Інтернет-магазин постачальника
   ======================================== */

:root {
    --bg-body: #0f0f1a;
    --bg-card: #1a1a2e;
    --text-primary: #eaeaea;
    --text-secondary: #b8b8d1;
    --accent: #ffd60a;
    --accent-hover: #e6c008;
    --border: #2a2a4a;
    --radius: 12px;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
}

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

img {
    max-width: 100%;
    border-radius: var(--radius);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   HEADER
   ======================================== */
.site-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: #fff;
}

.logo .accent {
    color: var(--accent);
}

.main-nav {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    padding: 8px 12px;
    border-radius: 8px;
    transition: 0.2s;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent);
}

.cart-link {
    background: var(--accent);
    color: #000;
    display: flex;
    align-items: center;
    gap: 6px;
}

.cart-link:hover {
    background: var(--accent-hover);
    color: #000;
}

.cart-count {
    display: inline-block;
    background: #000;
    color: var(--accent);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 100px;
    font-weight: 700;
}

/* ========================================
   HERO
   ======================================== */
.hero {
    background: radial-gradient(circle at 20% 50%, #1a1a40 0%, #0f0f1a 70%);
    padding: 100px 0 80px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: var(--accent);
    color: #000;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 2px;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* ========================================
   SLOGAN BAND
   ======================================== */
.slogan-band {
    background: var(--accent);
    color: #000;
    padding: 18px 0;
    overflow: hidden;
}

.slogan-track {
    display: flex;
    gap: 40px;
    animation: scroll 30s linear infinite;
    white-space: nowrap;
}

.slogan-item {
    font-weight: 900;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

@keyframes scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 1rem;
    transition: 0.2s;
}

.btn-primary {
    background: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.text-center {
    text-align: center;
    margin-top: 40px;
}

/* ========================================
   FEATURES
   ======================================== */
.features {
    padding: 60px 0;
    background: var(--bg-card);
}

.section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 1px;
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-body);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: 0.3s;
    text-align: center;
}

.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ========================================
   CATALOG PREVIEW
   ======================================== */
.catalog-preview {
    padding: 80px 0;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.catalog-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: 0.3s;
}

.catalog-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.catalog-card-img {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.catalog-card h3 {
    padding: 20px 20px 8px;
    font-size: 1.1rem;
}

.catalog-card p {
    padding: 0 20px 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 24px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ========================================
   RESPONSIVE
   ======================================== */
/* ========================================
   ABOUT + CART + PRODUCT CARD STYLES
   ======================================== */
.about-page {
    padding: 60px 0;
    background: var(--bg-body);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.about-block {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.about-block h3 {
    margin-bottom: 12px;
    font-size: 1.1rem;
    color: var(--accent);
}

.about-list {
    list-style: none;
    padding: 0;
}

.about-list li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.catalog-page {
    padding: 60px 0;
    background: var(--bg-body);
}

.catalog-filters {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 18px;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 600;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: .3s;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.product-image {
    position: relative;
    height: 220px;
    background: #111;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent);
    color: #000;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 100px;
}

.product-info {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-info h3 {
    font-size: 1rem;
    margin-bottom: 4px;
    line-height: 1.3;
}

.product-category {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.product-price {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.product-old-price {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: line-through;
    margin-bottom: 8px;
}

.product-min {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.product-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.qty-input {
    width: 70px;
    padding: 8px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-body);
    color: var(--text-primary);
    text-align: center;
    font-weight: 600;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.cart-page {
    padding: 60px 0;
    background: var(--bg-body);
}

.cart-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
}

.cart-items {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
}

.empty-cart {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px 0;
}

.cart-item {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    align-items: center;
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

.cart-item-info h4 {
    margin-bottom: 4px;
}

.cart-item-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.cart-item-price {
    font-weight: 800;
    white-space: nowrap;
}

.cart-summary {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.cart-summary h3 {
    margin-bottom: 16px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.summary-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 12px;
    margin-bottom: 16px;
    line-height: 1.5;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 640px) {
    .main-nav {
        gap: 8px;
    }
    .nav-link {
        font-size: 0.85rem;
        padding: 6px 8px;
    }
    .slogan-track {
        gap: 20px;
        animation-duration: 20s;
    }
}

@media (max-width: 780px) {
    .cart-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .catalog-filters {
        gap: 8px;
    }
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   AUTH + ACCOUNT PAGES
   ======================================== */
.auth-page {
    padding: 60px 0 100px;
    background: var(--bg-body);
}

.auth-card {
    max-width: 520px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 32px;
}

.auth-card h2 {
    text-align: center;
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.auth-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.auth-form label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.auth-form input {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-body);
    color: var(--text-primary);
    outline: none;
}

.auth-form input:focus {
    border-color: var(--accent);
}

.auth-form .btn {
    margin-top: 4px;
}

.auth-switch {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

.auth-switch a {
    color: var(--accent);
    text-decoration: underline;
}

.account-page {
    padding: 60px 0 100px;
    background: var(--bg-body);
}

.account-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.account-block {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
}

.account-block h3 {
    margin-bottom: 16px;
    color: var(--accent);
}

.info-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}

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

.account-block .empty-cart {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.account-block a,
.account-block button {
    display: inline-block;
    margin-top: 8px;
}

/* ========================================
   HOME PAGE
   ======================================== */
.home-catalog {
    padding: 60px 0 100px;
    background: var(--bg-body);
}

.home-auth-note {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.locked-price {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1rem;
}