:root {
    --ink: #17212b;
    --muted: #607080;
    --line: #dbe3ea;
    --paper: #ffffff;
    --soft: #f3f7f9;
    --accent: #0c7c75;
    --accent-dark: #07514d;
    --gold: #c79a42;
    --shadow: 0 22px 60px rgba(20, 35, 48, 0.14);
}

* {
    box-sizing: border-box;
}

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

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

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

.container {
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(16px);
}

.nav-wrap {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand span {
    display: block;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 0;
}

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

.site-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.site-nav a {
    padding: 10px 13px;
    color: #415160;
    border-radius: 6px;
    font-size: 14px;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--accent-dark);
    background: #e6f3f1;
}

.hero {
    min-height: 680px;
    background-image: var(--hero-image);
    background-position: center;
    background-size: cover;
}

.hero-overlay {
    min-height: 680px;
    display: flex;
    align-items: center;
    background: linear-gradient(90deg, rgba(9, 25, 34, 0.92), rgba(9, 25, 34, 0.7), rgba(9, 25, 34, 0.18));
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 310px;
    gap: 42px;
    align-items: end;
    padding: 88px 0;
}

.hero-copy {
    max-width: 760px;
    color: #fff;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--gold);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 22px;
    font-size: clamp(42px, 7vw, 74px);
    line-height: 1.02;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 16px;
    font-size: 36px;
    line-height: 1.15;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.hero-copy p:not(.eyebrow) {
    max-width: 690px;
    color: #dce8e8;
    font-size: 19px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 32px;
}

.button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
}

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

.button.primary:hover {
    background: var(--accent-dark);
}

.button.ghost {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.quick-card {
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 8px;
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.quick-card span,
.footer-grid span {
    display: block;
    color: var(--muted);
    font-size: 13px;
}

.quick-card span {
    color: #cfe2e2;
}

.quick-card strong {
    display: block;
    margin: 8px 0 16px;
    font-size: 22px;
}

.quick-card a {
    color: #fff;
    font-weight: 700;
    border-bottom: 2px solid var(--gold);
}

.section {
    padding: 82px 0;
}

.muted {
    background: var(--soft);
}

.split {
    display: grid;
    grid-template-columns: 0.82fr 1.18fr;
    gap: 56px;
    align-items: start;
}

.lead {
    color: #3d4d5a;
    font-size: 20px;
}

.card-grid,
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

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

.info-card,
.product-card,
.contact-panel,
.inquiry-form {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 12px 32px rgba(25, 42, 56, 0.07);
}

.info-card,
.product-card {
    min-height: 190px;
    padding: 26px;
}

.product-card {
    overflow: hidden;
    padding: 0;
    border-top: 4px solid var(--accent);
}

.product-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: var(--soft);
}

.product-body {
    padding: 22px;
}

.product-specs {
    display: grid;
    gap: 10px;
    margin: 18px 0 0;
}

.product-specs div {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--line);
}

.product-specs dt {
    color: #334451;
    font-size: 13px;
    font-weight: 700;
}

.product-specs dd {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.text-link {
    display: inline-flex;
    margin-top: 18px;
    color: var(--accent-dark);
    font-weight: 700;
}

.info-card p,
.product-card p,
.site-footer p,
.page-hero p {
    color: var(--muted);
}

.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 26px;
}

.section-head a {
    color: var(--accent-dark);
    font-weight: 700;
}

.page-hero {
    padding: 92px 0 82px;
    color: #fff;
    background: linear-gradient(120deg, #102530, #0d5f5a);
}

.page-hero.compact {
    padding-bottom: 64px;
}

.page-hero .container {
    max-width: 900px;
}

.page-hero h1 {
    font-size: clamp(38px, 6vw, 62px);
}

.page-hero p:not(.eyebrow) {
    max-width: 760px;
    color: #d7e7e6;
    font-size: 19px;
}

.about-grid,
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 0.86fr;
    gap: 44px;
    align-items: start;
}

.about-grid img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.metric-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 34px;
}

.metric-row div {
    padding: 18px;
    border-left: 3px solid var(--gold);
    background: var(--soft);
}

.metric-row strong,
.metric-row span {
    display: block;
}

.metric-row span {
    color: var(--muted);
    font-size: 14px;
}

.service-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.service-list li {
    padding: 16px 18px;
    border-left: 3px solid var(--accent);
    background: #fff;
}

.contact-panel,
.inquiry-form {
    padding: 28px;
}

.contact-panel a,
.contact-panel p {
    display: block;
    margin: 12px 0;
    color: #314454;
}

.inquiry-form {
    display: grid;
    gap: 16px;
}

.hp-field {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-alert {
    margin: 0;
    padding: 12px 14px;
    border-radius: 6px;
    font-weight: 700;
}

.form-alert.success {
    color: #155b42;
    background: #dff3eb;
}

.form-alert.error {
    color: #9f2626;
    background: #ffe7e7;
}

label {
    display: grid;
    gap: 6px;
    color: #334451;
    font-weight: 700;
}

input,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 12px 13px;
    font: inherit;
}

textarea {
    resize: vertical;
}

.site-footer {
    padding: 40px 0;
    color: #d7e2e4;
    background: #101d25;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr 0.7fr;
    gap: 28px;
}

.footer-grid strong {
    display: block;
    margin-bottom: 10px;
    color: #fff;
    font-size: 22px;
}

.footer-grid a {
    color: #fff;
}

@media (max-width: 900px) {
    .nav-wrap,
    .section-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .hero,
    .hero-overlay {
        min-height: auto;
    }

    .hero-grid,
    .split,
    .about-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 620px) {
    .container {
        width: min(100% - 28px, 1160px);
    }

    .site-nav a {
        padding: 8px 9px;
    }

    h1 {
        font-size: 42px;
    }

    h2 {
        font-size: 30px;
    }

    .section {
        padding: 58px 0;
    }

    .hero-grid {
        padding: 64px 0;
    }

    .product-grid,
    .card-grid,
    .service-list,
    .metric-row {
        grid-template-columns: 1fr;
    }
}