:root {
    --green: #244d36;
    --green-dark: #163526;
    --green-light: #e8f0eb;
    --orange: #d66b1f;
    --text: #222822;
    --muted: #667067;
    --border: #d9dfda;
    --background: #f6f7f4;
    --white: #ffffff;
    --sidebar-width: 255px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--background);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    min-height: 76px;
    padding: 12px 28px;
    display: flex;
    align-items: center;
    gap: 28px;
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.brand {
    display: flex;
    flex-direction: column;
    min-width: 230px;
}

.brand-name {
    color: var(--green-dark);
    font-size: 1.4rem;
    font-weight: 800;
    text-decoration: none;
}

.brand-tagline {
    color: var(--muted);
    font-size: .82rem;
}

.top-menu {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 18px;
}

.top-menu a {
    font-size: .95rem;
    font-weight: 700;
    text-decoration: none;
}

.top-menu a:hover {
    color: var(--orange);
}

.top-menu .inquiry-link {
    padding: 10px 15px;
    color: var(--white);
    background: var(--orange);
    border-radius: 7px;
}

.menu-toggle {
    display: none;
}

.page-layout {
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    min-height: calc(100vh - 76px);
}

.sidebar {
    padding: 25px 16px;
    background: var(--green-dark);
    color: var(--white);
}

.sidebar-title {
    margin: 0 8px 15px;
    color: #cbd8cf;
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.sidebar-group {
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,.13);
}

.sidebar-group summary {
    padding: 11px 8px;
    cursor: pointer;
    font-size: .9rem;
    font-weight: 800;
    text-transform: uppercase;
}

.sidebar-items {
    padding: 0 0 12px;
}

.sidebar-items a {
    display: block;
    padding: 8px 12px;
    color: #e7eee9;
    font-size: .92rem;
    text-decoration: none;
    border-radius: 6px;
}

.sidebar-items a:hover {
    background: rgba(255,255,255,.1);
}

.content {
    min-width: 0;
}

.hero {
    padding: 55px;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 42px;
    align-items: center;
    background: var(--white);
}

.hero h1,
.product-intro h1,
.text-page h1,
.contact-layout h1 {
    margin: 8px 0 18px;
    color: var(--green-dark);
    font-size: clamp(2rem, 4vw, 4rem);
    line-height: 1.08;
}

.hero p,
.lead {
    color: var(--muted);
    font-size: 1.1rem;
}

.eyebrow {
    color: var(--orange);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .13em;
    text-transform: uppercase;
}

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

.button {
    display: inline-block;
    padding: 12px 18px;
    border: 0;
    border-radius: 7px;
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.button.primary {
    color: var(--white);
    background: var(--orange);
}

.button.secondary {
    color: var(--green-dark);
    background: var(--green-light);
}

.placeholder-image {
    display: grid;
    place-items: center;
    min-height: 280px;
    padding: 20px;
    color: var(--muted);
    background:
        linear-gradient(135deg, rgba(36,77,54,.08), rgba(214,107,31,.08));
    border: 1px dashed #aab6ad;
    border-radius: 12px;
    text-align: center;
}

.section {
    padding: 50px 55px;
}

.section-soft {
    background: var(--green-light);
}

.section-heading {
    margin-bottom: 24px;
}

.section-heading h2 {
    margin: 5px 0 0;
    color: var(--green-dark);
    font-size: 2rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.product-grid.compact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-card {
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.card-image {
    min-height: 190px;
    border: 0;
    border-radius: 0;
}

.product-card-body {
    padding: 20px;
}

.product-card h3 {
    margin: 5px 0 8px;
    color: var(--green-dark);
}

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

.product-model {
    color: var(--orange);
    font-size: .78rem;
    font-weight: 800;
}

.text-link {
    color: var(--green-dark);
    font-weight: 800;
    text-decoration: none;
}

.attachment-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.attachment-item {
    padding: 18px;
    display: flex;
    flex-direction: column;
    background: var(--white);
    border-radius: 8px;
    text-decoration: none;
}

.attachment-item span {
    color: var(--muted);
    font-size: .9rem;
}

.benefits {
    padding: 32px 55px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    color: var(--white);
    background: var(--green-dark);
}

.benefits div {
    display: flex;
    flex-direction: column;
}

.benefits span {
    color: #cdd8d0;
}

.product-detail {
    padding: 55px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 45px;
    background: var(--white);
}

.detail-image {
    min-height: 430px;
}

.product-intro p {
    color: var(--muted);
}

.spec-table {
    max-width: 850px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 9px;
}

.spec-row {
    padding: 13px 18px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    border-bottom: 1px solid var(--border);
}

.spec-row:last-child {
    border-bottom: 0;
}

.spec-row strong {
    text-align: right;
}

.text-page,
.empty-state {
    max-width: 950px;
    padding: 55px;
}

.text-page-content {
    padding: 25px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.contact-layout {
    padding: 55px;
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 50px;
}

.contact-card {
    margin-top: 25px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    background: var(--green-light);
    border-radius: 10px;
}

.contact-form {
    padding: 28px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.contact-form label {
    margin-bottom: 15px;
    display: block;
    font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    margin-top: 6px;
    padding: 11px;
    border: 1px solid #bfc8c1;
    border-radius: 6px;
    font: inherit;
}

.form-note {
    color: var(--muted);
    font-size: .85rem;
}

.site-footer {
    padding: 28px;
    display: flex;
    justify-content: space-between;
    gap: 30px;
    color: #dce5df;
    background: #10271b;
}

@media (max-width: 1050px) {
    .site-header {
        flex-wrap: wrap;
    }

    .menu-toggle {
        margin-left: auto;
        display: block;
        padding: 9px 13px;
        border: 1px solid var(--border);
        border-radius: 6px;
        background: var(--white);
    }

    .top-menu {
        width: 100%;
        display: none;
        flex-direction: column;
        align-items: flex-start;
    }

    .top-menu.open {
        display: flex;
    }

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

@media (max-width: 760px) {
    .site-header {
        position: static;
        padding: 12px 16px;
    }

    .brand {
        min-width: 0;
    }

    .page-layout {
        display: block;
    }

    .sidebar {
        padding: 14px;
    }

    .hero,
    .product-detail,
    .contact-layout {
        padding: 30px 20px;
        grid-template-columns: 1fr;
    }

    .section {
        padding: 35px 20px;
    }

    .product-grid,
    .product-grid.compact,
    .attachment-list,
    .benefits {
        grid-template-columns: 1fr;
    }

    .benefits {
        padding: 30px 20px;
    }

    .site-footer {
        flex-direction: column;
    }
}