:root {
    --bg-main: #f6f4f9;
    --bg-soft: #ffffff;
    --bg-alt: #f0ebe4;
    --primary: #7c3aed;
    --primary-soft: #e9d5ff;
    --accent: #f97316;
    --text: #1e293b;
    --muted: #6b7280;
    --border: #d4d4d8;
}

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

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top left, #f6f4f9, #fdf2e9);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a:hover {
    text-decoration: underline;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 18px;
}

.narrow {
    max-width: 720px;
    margin: 0 auto;
}

/* Header */

.site-header.header-soft {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(246, 244, 249, 0.96);
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
    backdrop-filter: blur(14px);
}

.header-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--text);
}

.logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 12px;
    background: conic-gradient(from 45deg, #7c3aed, #f97316, #facc15, #7c3aed);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: #f9fafb;
}

.logo-text {
    display: inline-flex;
    flex-direction: column;
    font-size: 13px;
    line-height: 1.25;
}

.main-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    font-size: 14px;
}

.main-nav a {
    padding: 4px 10px;
    border-radius: 999px;
    transition: background 0.15s ease, color 0.15s ease;
}

.main-nav a:hover {
    background: rgba(124, 58, 237, 0.08);
}

.cart-link {
    justify-self: end;
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fefce8;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

#cart-count {
    min-width: 22px;
    height: 22px;
    border-radius: 999px;
    background: var(--primary);
    color: #f9fafb;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
}

.menu-toggle {
    display: none;
    width: 34px;
    height: 30px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #ede9fe;
    padding: 0 6px;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    height: 2px;
    border-radius: 999px;
    background: var(--text);
}

.page-main {
    padding: 22px 0 40px;
}

/* Hero */

.hero-tiles {
    position: relative;
    padding: 6px 0 28px;
}

.hero-bg {
    position: absolute;
    inset: 18px 0 40%;
    background: radial-gradient(circle at top left, #e9d5ff, #fed7aa);
    opacity: 0.55;
    filter: blur(10px);
    pointer-events: none;
}

.hero-tiles-inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.1fr);
    gap: 20px;
    align-items: stretch;
}

.hero-copy {
    border-radius: 20px;
}

.hero-copy h1 {
    margin: 0 0 10px;
    font-size: 26px;
    line-height: 1.2;
}

.hero-lead {
    margin: 0 0 12px;
    color: var(--muted);
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.tag {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(124, 58, 237, 0.06);
    color: #4c1d95;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 10px;
}

.hero-mini {
    font-size: 12px;
    color: var(--muted);
}

.hero-side-grid {
    display: grid;
    grid-template-rows: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 12px;
}

.hero-img-card {
    padding: 10px;
}

.hero-img {
    width: 100%;
    border-radius: 16px;
    display: block;
}

.hero-stat h2 {
    margin-top: 0;
    font-size: 16px;
}

.hero-stat ul {
    padding-left: 18px;
    margin: 8px 0 0;
    font-size: 14px;
}

/* Sections & cards */

.section {
    padding: 8px 0 26px;
}

.section-tiles {
    position: relative;
}

.tiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.section-ribbon {
    background: #faf5ff;
    border-top: 1px solid rgba(148, 163, 184, 0.3);
    border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.ribbon-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.1fr);
    gap: 20px;
    align-items: center;
}

.ribbon-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 10px;
    margin: 0;
}

.ribbon-stats dt {
    font-size: 12px;
    color: var(--muted);
}

.ribbon-stats dd {
    margin: 0;
    font-weight: 600;
    font-size: 13px;
}

.card {
    background: var(--bg-soft);
    border-radius: 18px;
    padding: 14px 16px 16px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    box-shadow: 0 18px 34px rgba(15, 23, 42, 0.12);
}

.card.soft {
    background: radial-gradient(circle at top left, #fef9c3, #fee2ff);
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 14px;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.08s ease, box-shadow 0.08s ease, background 0.1s ease, border-color 0.1s ease;
}

.btn:active {
    transform: translateY(1px);
    box-shadow: none;
}

.btn-primary {
    background: linear-gradient(135deg, #7c3aed, #f97316);
    color: #f9fafb;
    box-shadow: 0 12px 26px rgba(88, 28, 135, 0.5);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #8b5cf6, #fb923c);
}

.btn-outline {
    background: rgba(15, 23, 42, 0.02);
    border: 1px solid rgba(148, 163, 184, 0.9);
    color: var(--text);
}

.btn-outline:hover {
    background: rgba(15, 23, 42, 0.04);
}

.btn-block {
    width: 100%;
}

/* Page header */

.page-header {
    padding: 10px 0 16px;
}

.page-header h1 {
    margin: 0 0 8px;
    font-size: 24px;
}

.page-header p {
    margin: 0;
    color: var(--muted);
}

/* Catalog */

.catalog-grid.three {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.product-card .product-price {
    font-weight: 600;
    margin: 6px 0 8px;
}

.product-meta {
    font-size: 13px;
    color: var(--muted);
}

.section-note {
    background: #fefce8;
    border-top: 1px solid rgba(234, 179, 8, 0.4);
}

/* Product */

.product-layout.split {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 18px;
}

.product-main ul {
    padding-left: 20px;
}

.product-aside {
    align-self: start;
}

.side-img {
    width: 100%;
    border-radius: 16px;
    margin-bottom: 10px;
}

.product-price.big {
    font-size: 24px;
    margin: 4px 0 10px;
}

.small-note {
    font-size: 12px;
    color: var(--muted);
}

/* Cart */

.cart-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 18px;
}

.cart-items {
    border-radius: 14px;
    border: 1px dashed rgba(148, 163, 184, 0.9);
    padding: 10px;
    background: #f9fafb;
    font-size: 14px;
}

.cart-item-row {
    display: grid;
    grid-template-columns: 1.7fr auto auto auto;
    gap: 8px;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

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

.cart-item-name {
    font-weight: 500;
}

.cart-summary {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-weight: 600;
}

.cart-empty {
    text-align: center;
    color: var(--muted);
    padding: 8px 0;
}

/* Forms */

.form-grid {
    display: grid;
    gap: 10px;
}

.form-grid label {
    display: grid;
    gap: 4px;
    font-size: 14px;
}

input,
textarea {
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: 8px 10px;
    font: inherit;
    background: #f9fafb;
}

input:focus,
textarea:focus {
    outline: 2px solid var(--primary-soft);
    border-color: var(--primary);
    background: #ffffff;
}

input[type="number"] {
    width: 72px;
}

/* Grids */

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.1fr);
    gap: 18px;
}

.success-card {
    text-align: left;
}

/* Footer */

.site-footer {
    border-top: 1px solid rgba(15, 23, 42, 0.35);
    background: radial-gradient(circle at top left, #020617, #111827);
    color: #e5e7eb;
    padding: 20px 0 26px;
    font-size: 13px;
}

.site-footer a {
    color: #fee2e2;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.2fr) minmax(0, 1.1fr);
    gap: 18px;
}

.footer-col h3,
.footer-col h4 {
    margin-top: 0;
}

.footer-note {
    font-size: 12px;
    color: #fde68a;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 8px 0;
}

.footer-col li {
    margin-bottom: 4px;
}

.footer-copy {
    margin: 4px 0 0;
    color: #e5e7eb;
}

/* Responsive */

@media (max-width: 920px) {
    .hero-tiles-inner {
        grid-template-columns: minmax(0, 1.1fr);
    }
    .hero-side-grid {
        grid-template-columns: minmax(0, 1.1fr);
        grid-template-rows: auto auto;
    }
    .product-layout.split {
        grid-template-columns: minmax(0, 1.1fr);
    }
    .cart-grid {
        grid-template-columns: minmax(0, 1.1fr);
    }
    .contact-grid {
        grid-template-columns: minmax(0, 1.1fr);
    }
    .ribbon-inner {
        grid-template-columns: minmax(0, 1.1fr);
    }
}

@media (max-width: 720px) {
    .header-inner {
        grid-template-columns: auto auto;
        grid-template-rows: auto auto;
    }
    .menu-toggle {
        display: inline-flex;
    }
    .logo {
        justify-self: center;
    }
    .cart-link {
        justify-self: end;
    }
    .main-nav {
        position: fixed;
        inset: 56px 0 auto 0;
        padding: 10px 18px 16px;
        background: rgba(15, 23, 42, 0.96);
        backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: flex-start;
        transform: translateY(-140%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.18s ease, opacity 0.18s ease;
    }
    .main-nav a {
        color: #e5e7eb;
        padding: 6px 0;
    }
    body.nav-open .main-nav {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
}

@media (max-width: 540px) {
    .hero-copy h1 {
        font-size: 23px;
    }
    .hero-tiles-inner {
        gap: 16px;
    }
    .cart-item-row {
        grid-template-columns: 1.7fr auto auto;
        grid-template-rows: auto auto;
    }
    .footer-grid {
        grid-template-columns: minmax(0, 1.1fr);
    }
}