:root {
    --primary: #ffc800;
    --primary-hover: #e6b400;
    --dark: #1a1a1a;
    --light: #f8f9fa;
    --white: #ffffff;
    --text: #2c2c2c;
    --muted: #666666;
    --border: #e6e6e6;
    --shadow: 0 5px 15px rgba(0,0,0,0.1);
}

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

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

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

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

.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 16px;
}

.topbar {
    background: var(--dark);
    color: var(--white);
    border-bottom: 3px solid var(--primary);
}

.topbar-inner {
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    font-weight: 800;
    font-size: 1.35rem;
    text-transform: uppercase;
}

.brand span {
    color: var(--primary);
}

.topnav {
    display: flex;
    gap: 18px;
    align-items: center;
    font-size: 0.95rem;
}

.topnav a:hover {
    color: var(--primary);
}

.phone {
    font-weight: 800;
    white-space: nowrap;
}

.hero {
    background: var(--white);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    gap: 34px;
    align-items: center;
    padding: 52px 0;
}

.breadcrumbs {
    margin-bottom: 18px;
    font-size: 0.9rem;
    color: var(--muted);
}

.breadcrumbs a {
    color: #444;
    text-decoration: underline;
    text-underline-offset: 3px;
}

h1, h2, h3 {
    color: var(--dark);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    margin-bottom: 18px;
    text-transform: uppercase;
}

h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 22px;
    text-transform: uppercase;
}

h3 {
    margin-bottom: 8px;
}

.lead {
    font-size: 1.12rem;
    color: #444;
    margin-bottom: 22px;
}

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 22px 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 7px 12px;
    border-radius: 4px;
    background: var(--light);
    border: 1px solid var(--border);
    font-weight: 700;
    font-size: 0.92rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 22px;
    border: 0;
    border-radius: 4px;
    background: var(--primary);
    color: var(--dark);
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
}

.btn:hover {
    background: var(--primary-hover);
}

.hero-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: #ddd;
}

.hero-image img {
    height: min(52vw, 390px);
    object-fit: cover;
}

.section {
    padding: 62px 0;
}

.section.white {
    background: var(--white);
}

.content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 32px;
    align-items: start;
}

.text-block p {
    margin-bottom: 14px;
    color: #4f4f4f;
}

.specs {
    display: grid;
    gap: 10px;
    margin-top: 20px;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 12px 0;
    border-bottom: 1px dashed #d7d7d7;
}

.spec-row span:first-child {
    font-weight: 700;
}

.order-box {
    position: sticky;
    top: 20px;
    padding: 22px;
    border-radius: 8px;
    background: var(--white);
    border-top: 5px solid var(--primary);
    box-shadow: var(--shadow);
}

.order-box h2 {
    font-size: 1.45rem;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    margin-bottom: 7px;
    font-weight: 700;
}

.form-group input {
    width: 100%;
    min-height: 46px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font: inherit;
}

.form-group input:focus {
    border-color: var(--primary);
    outline: 0;
}

.form-message {
    min-height: 22px;
    margin-top: 12px;
    font-weight: 700;
    text-align: center;
}

.form-message.success {
    color: #187a2f;
}

.form-message.error {
    color: #b00020;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.info-card {
    padding: 22px;
    border-radius: 8px;
    background: var(--white);
    border: 1px solid var(--border);
}

.info-card p {
    color: var(--muted);
}

.related {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 14px;
}

.related a {
    min-height: 58px;
    padding: 14px 16px;
    border-radius: 6px;
    background: var(--white);
    border: 1px solid var(--border);
    font-weight: 800;
}

.related a:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

footer {
    background: var(--dark);
    color: #d0d0d0;
    padding: 34px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.footer-grid p,
.footer-grid a {
    color: #d0d0d0;
}

@media (max-width: 860px) {
    .topbar-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 14px 0;
    }

    .topnav {
        flex-wrap: wrap;
        gap: 12px;
    }

    .hero-grid,
    .content-grid {
        grid-template-columns: 1fr;
    }

    .hero-grid {
        padding: 34px 0;
    }

    .order-box {
        position: static;
    }
}