:root {
    --bg: #f2f3f6;
    --bg-elevated: #ffffff;
    --bg-alt: #e6eaef;
    --ink: #1c1f24;
    --muted: #6c727d;
    --accent: #2f6cff;
    --accent-soft: #d9e3ff;
    --border-subtle: #d0d5dd;
    --radius-sm: 4px;
    --radius-md: 8px;
    --shadow-soft: 0 10px 26px rgba(15, 23, 42, 0.12);
}

*,
*::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:
        linear-gradient(135deg, #f6f7fb 0, #f2f3f6 40%, #e6eaef 100%);
    color: var(--ink);
}

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

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

.container {
    width: min(1120px, 100% - 40px);
    margin: 0 auto;
}

.site-header {
    border-bottom: 1px solid rgba(208, 213, 221, 0.9);
    background: rgba(242, 243, 246, 0.95);
    backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 24px;
    padding: 12px 0;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 700;
    letter-spacing: 0.08em;
    font-size: 0.92rem;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(31, 41, 55, 0.12);
    background: #ffffff;
}
.logo span {
    color: var(--accent);
}

.main-nav {
    display: flex;
    justify-content: center;
    gap: 18px;
    font-size: 0.9rem;
}
.main-nav a {
    padding: 4px 6px;
    border-radius: 999px;
    color: var(--muted);
}
.main-nav a:hover {
    color: var(--ink);
    background: rgba(15, 23, 42, 0.03);
}

.cart-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(31, 41, 55, 0.16);
    background: #ffffff;
}
.cart-count {
    min-width: 20px;
    height: 20px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    background: var(--accent);
    color: #ffffff;
}

main {
    padding: 28px 0 64px;
}

.section {
    padding: 36px 0;
}

.section-alt {
    background: linear-gradient(180deg, rgba(226, 232, 240, 0.7), rgba(242, 243, 246, 0.1));
}

.hero {
    padding-top: 8px;
}
.hero-split {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 40px;
    align-items: stretch;
}
.hero-col {
    display: flex;
    flex-direction: column;
}
.hero-text {
    gap: 20px;
}
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.76rem;
    color: var(--muted);
}
.hero-text h1 {
    font-size: clamp(2rem, 3.2vw, 2.6rem);
    letter-spacing: -0.03em;
    margin: 0;
}
.hero-text p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}
.hero-text p + p {
    margin-top: 10px;
}
.hero-actions {
    margin-top: 6px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.hero-visual {
    gap: 12px;
}
.hero-card {
    flex: 1;
    border-radius: 0;
    border: 1px solid var(--border-subtle);
    background: radial-gradient(circle at top left, #ffffff 0, #e7ecf5 40%, #dbe4ff 100%);
    padding: 14px;
    box-shadow: var(--shadow-soft);
}
.hero-card img {
    border-radius: 0;
}
.hero-note {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--muted);
}
.hero-note .dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--accent);
}

.btn-primary,
.btn-ghost,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    background: none;
    transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease, transform 0.1s ease;
}
.btn-primary {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.35);
}
.btn-ghost {
    color: var(--ink);
    border-color: rgba(31, 41, 55, 0.2);
    background: rgba(255, 255, 255, 0.4);
}
.btn-ghost:hover {
    background: rgba(15, 23, 42, 0.04);
}
.btn-outline {
    color: var(--ink);
    border-color: rgba(148, 163, 184, 0.9);
}
.btn-outline:hover {
    background: rgba(148, 163, 184, 0.08);
}

.three-columns {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}
.info-block {
    padding: 16px 16px 18px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: rgba(248, 250, 252, 0.7);
}
.info-block h2 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1rem;
}
.info-block p {
    margin: 0;
    font-size: 0.94rem;
    color: var(--muted);
    line-height: 1.7;
}

.split-alt {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
}
.stack-text h2 {
    margin-top: 0;
    margin-bottom: 12px;
}
.stack-text p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}
.stack-text p + p {
    margin-top: 10px;
}
.stack-media {
    display: grid;
    grid-template-rows: auto auto;
    gap: 14px;
}
.stack-media img:first-child {
    border-radius: 0;
    border: 1px solid rgba(148, 163, 184, 0.45);
}
.stack-media img:last-child {
    border-radius: var(--radius-sm);
    border: 1px solid rgba(148, 163, 184, 0.45);
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
}
.section-head p {
    margin-top: 8px;
    color: var(--muted);
    max-width: 620px;
    line-height: 1.7;
}
.section-head-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}
.tag {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
}

.catalog-grid {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}
.catalog-card {
    padding: 18px 18px 20px;
    border-radius: 0;
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.catalog-card h2 {
    margin: 0;
    font-size: 1.02rem;
}
.catalog-card p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--muted);
}
.catalog-card .price {
    margin-top: 2px;
    font-weight: 600;
    color: var(--ink);
}
.catalog-card .btn-primary,
.catalog-card .btn-outline {
    margin-top: 4px;
    width: fit-content;
}

.product-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.05fr);
    gap: 32px;
    align-items: flex-start;
}
.product-gallery {
    display: grid;
    grid-template-rows: auto auto;
    gap: 12px;
}
.product-main {
    padding: 14px;
    background: #ffffff;
    border-radius: 0;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-soft);
}
.product-thumbs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.product-thumbs img {
    border-radius: var(--radius-sm);
    border: 1px solid rgba(148, 163, 184, 0.55);
}

.product-panel h1 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.5rem;
}
.product-panel p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}
.product-panel p + p {
    margin-top: 10px;
}
.product-panel .price {
    margin-top: 14px;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--ink);
}
.product-panel .btn-primary {
    margin-bottom: 12px;
}
.product-meta {
    padding: 12px 14px;
    border-radius: var(--radius-md);
    background: var(--accent-soft);
}
.product-meta h2 {
    margin: 0 0 6px;
    font-size: 1rem;
}
.product-meta ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    font-size: 0.94rem;
}
.product-meta li + li {
    margin-top: 4px;
}

.cart-header h1 {
    margin-top: 0;
    margin-bottom: 6px;
}
.cart-header p {
    margin: 0;
    color: var(--muted);
    max-width: 640px;
    line-height: 1.6;
}

.cart-shell {
    margin-top: 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    background: #ffffff;
    padding: 12px 14px;
}
.cart-row {
    display: grid;
    grid-template-columns: 2.2fr 1fr 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
    font-size: 0.94rem;
}
.cart-row:last-child {
    border-bottom: none;
}

.cart-row input[type="number"] {
    width: 70px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    font-family: inherit;
}
.cart-remove {
    border: none;
    background: transparent;
    color: var(--muted);
    font-size: 0.85rem;
    cursor: pointer;
}
.cart-footer {
    margin-top: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.cart-total-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-weight: 600;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 28px;
}
.about-grid p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}
.about-grid p + p {
    margin-top: 10px;
}

.narrow {
    max-width: 720px;
}
.narrow p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}
.narrow p + p {
    margin-top: 10px;
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 32px;
}
.contact-copy p {
    margin-top: 8px;
    color: var(--muted);
    line-height: 1.7;
}
.contact-list {
    list-style: none;
    padding: 0;
    margin: 14px 0 0;
    font-size: 0.95rem;
    color: var(--muted);
}
.contact-list li + li {
    margin-top: 4px;
}

.contact-form-wrap {
    align-self: flex-start;
}
.lead-form {
    padding: 16px 16px 18px;
    border-radius: var(--radius-md);
    background: #ffffff;
    border: 1px solid var(--border-subtle);
}
.lead-form h2 {
    margin-top: 0;
    margin-bottom: 10px;
}
.lead-form label {
    display: block;
    font-size: 0.88rem;
    margin-bottom: 10px;
}
.lead-form input,
.lead-form textarea {
    width: 100%;
    margin-top: 4px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    font-family: inherit;
    font-size: 0.92rem;
}

.site-footer {
    border-top: 1px solid rgba(148, 163, 184, 0.55);
    background: #f4f5f7;
    padding: 18px 0 12px;
    margin-top: 40px;
    font-size: 0.88rem;
}
.footer-top {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.4fr);
    gap: 24px;
}
.footer-brand h4 {
    margin: 0 0 4px;
}
.footer-brand p {
    margin: 0;
    color: var(--muted);
}
.footer-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}
.footer-columns h5 {
    margin: 0 0 4px;
}
.footer-columns p {
    margin: 0;
    color: var(--muted);
}
.footer-bottom {
    margin-top: 14px;
    color: var(--muted);
    text-align: center;
}

/* Responsive tweaks */
@media (max-width: 960px) {
    .hero-split,
    .split-alt,
    .product-layout,
    .about-grid,
    .contact-grid,
    .footer-top {
        grid-template-columns: minmax(0, 1fr);
    }
    .hero-visual {
        order: -1;
    }
}

@media (max-width: 800px) {
    .catalog-grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .three-columns {
        grid-template-columns: minmax(0, 1fr);
    }
    .footer-columns {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 720px) {
    .header-inner {
        grid-template-columns: 1fr;
        justify-items: flex-start;
        row-gap: 10px;
    }
    .main-nav {
        justify-content: flex-start;
        flex-wrap: wrap;
    }
}

@media (max-width: 520px) {
    .cart-row {
        grid-template-columns: 1.6fr 1fr;
        grid-auto-rows: auto;
    }
    .section-head {
        flex-direction: column;
    }
}