:root {
    --ink: #18202a;
    --muted: #697582;
    --line: #d9e1ea;
    --panel: #ffffff;
    --band: #edf3f7;
    --accent: #c4542d;
    --accent-dark: #84341f;
    --steel: #5d6b7a;
    --dark: #111820;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    background:
        linear-gradient(180deg, #ffffff 0, #f7f9fb 360px, #f7f9fb 100%);
    line-height: 1.6;
}

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

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

.site-header {
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
}

.nav {
    width: min(1180px, calc(100% - 32px));
    min-height: 68px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    font-size: 22px;
    font-weight: 800;
}

.brand::before {
    content: "";
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-right: 10px;
    background: var(--accent);
    transform: rotate(45deg);
}

.nav-links {
    display: flex;
    gap: 20px;
    color: var(--muted);
    font-size: 15px;
}

.nav-links a:hover {
    color: var(--accent-dark);
}

.hero {
    width: min(1180px, calc(100% - 32px));
    min-height: 470px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.78fr);
    align-items: center;
    gap: 46px;
    padding: 54px 0 34px;
}

.hero h1 {
    max-width: 700px;
    margin: 8px 0 18px;
    font-size: clamp(38px, 4.8vw, 60px);
    line-height: 1.06;
}

.hero p {
    max-width: 600px;
    color: var(--muted);
    font-size: 18px;
}

.eyebrow {
    margin: 0;
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    padding: 0 18px;
    font-weight: 700;
}

.button.primary {
    background: var(--accent);
    color: #ffffff;
}

.button.ghost {
    border: 1px solid var(--line);
    background: #ffffff;
}

.hero-panel {
    position: relative;
    min-height: 330px;
    overflow: hidden;
    border-radius: 8px;
    background: var(--dark);
    box-shadow: 0 18px 42px rgba(17, 24, 32, 0.18);
}

.hero-panel img {
    width: 100%;
    height: 330px;
    object-fit: cover;
    opacity: 0.9;
}

.hero-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(17, 24, 32, 0.06), rgba(17, 24, 32, 0.58));
}

.hero-badge {
    position: absolute;
    left: 18px;
    bottom: 18px;
    z-index: 1;
    min-width: 150px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 8px;
    padding: 14px 16px;
    color: #ffffff;
    background: rgba(17, 24, 32, 0.72);
}

.hero-badge strong {
    display: block;
    font-size: 34px;
    line-height: 1;
}

.hero-badge span {
    color: #dbe3eb;
}

.info-band {
    background: var(--dark);
    color: #ffffff;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    padding: 30px max(16px, calc((100% - 1180px) / 2));
}

.info-band div {
    border-left: 4px solid var(--accent);
    padding-left: 18px;
}

.info-band p {
    margin: 8px 0 0;
    color: #c6d0da;
}

.showcase {
    width: min(1180px, calc(100% - 32px));
    margin: 54px auto 0;
    display: grid;
    grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
    gap: 38px;
    align-items: center;
}

.showcase-image {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background: var(--dark);
    box-shadow: 0 14px 34px rgba(24, 32, 42, 0.12);
}

.showcase-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.image-caption {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 14px;
    border-radius: 6px;
    padding: 10px 12px;
    color: #ffffff;
    background: rgba(17, 24, 32, 0.76);
    font-size: 14px;
    font-weight: 700;
}

.showcase-text h2 {
    margin: 8px 0 14px;
    font-size: clamp(30px, 3.6vw, 44px);
    line-height: 1.1;
}

.showcase-text p {
    color: var(--muted);
    font-size: 18px;
}

.mini-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 24px;
}

.mini-stats span {
    min-height: 76px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px;
    background: #ffffff;
    color: var(--muted);
}

.mini-stats strong {
    display: block;
    color: var(--ink);
    font-size: 20px;
}

.section {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 58px 0;
}

.section-heading {
    max-width: 680px;
}

.section-heading.centered {
    margin-inline: auto;
    text-align: center;
}

.section h2 {
    margin: 8px 0 12px;
    font-size: 34px;
    line-height: 1.18;
}

.section-heading p {
    color: var(--muted);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 30px;
}

.product-card {
    overflow: hidden;
    min-height: 315px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 10px 24px rgba(24, 32, 42, 0.07);
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 34px rgba(24, 32, 42, 0.12);
}

.product-card img {
    width: 100%;
    height: 118px;
    object-fit: cover;
}

.product-body {
    padding: 18px;
}

.product-body span {
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 800;
}

.product-card h3 {
    margin: 7px 0 9px;
    font-size: 21px;
}

.product-card p {
    margin: 0;
    color: var(--muted);
}

.technical {
    padding-top: 14px;
}

.technical-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 26px;
}

.technical-grid article {
    min-height: 195px;
    border-radius: 8px;
    padding: 22px;
    background: #ffffff;
    border: 1px solid var(--line);
}

.technical-grid span {
    color: var(--accent);
    font-size: 26px;
    font-weight: 800;
}

.technical-grid h3 {
    margin: 14px 0 10px;
}

.technical-grid p {
    margin: 0;
    color: var(--muted);
}

.split {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(280px, 1.18fr);
    gap: 42px;
    align-items: start;
}

.muted {
    width: 100%;
    max-width: none;
    padding-inline: max(16px, calc((100% - 1180px) / 2));
    background: #ffffff;
    border-block: 1px solid var(--line);
}

.check-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
}

.check-list li {
    background: #ffffff;
    border: 1px solid var(--line);
    border-left: 5px solid var(--accent);
    border-radius: 8px;
    padding: 13px 16px;
}

.muted .check-list li {
    background: #f7f9fb;
}

.footer {
    background: var(--dark);
    color: #ffffff;
    padding: 34px max(16px, calc((100% - 1180px) / 2));
}

.footer strong {
    display: block;
    font-size: 22px;
}

.footer p {
    margin: 8px 0 0;
    color: #c6d0da;
    font-size: 14px;
}

@media (max-width: 980px) {
    .hero,
    .showcase,
    .split,
    .info-band {
        grid-template-columns: 1fr;
    }

    .product-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-panel,
    .hero-panel img,
    .showcase-image img {
        height: 300px;
        min-height: 300px;
    }

    .technical-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .nav {
        align-items: flex-start;
        flex-direction: column;
        padding: 14px 0;
    }

    .nav-links {
        width: 100%;
        flex-wrap: wrap;
        gap: 12px 16px;
    }

    .hero {
        min-height: auto;
        padding-top: 38px;
    }

    .hero h1 {
        font-size: 34px;
    }

    .hero-panel,
    .hero-panel img,
    .showcase-image img {
        min-height: 240px;
        height: 240px;
    }

    .product-grid,
    .mini-stats {
        grid-template-columns: 1fr;
    }
}