:root {
    --ink: #0b1724;
    --muted: #647084;
    --line: #dbe3ea;
    --paper: #ffffff;
    --soft: #f4f7fa;
    --accent: #c4212d;
    --accent-dark: #991824;
    --gold: #d8a638;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

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

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 82px;
    padding: 12px clamp(20px, 5vw, 72px);
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--line);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0;
}

.brand img {
    width: 54px;
    height: 58px;
    object-fit: contain;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 22px;
    color: #26374a;
    font-size: 15px;
    font-weight: 700;
}

.hero {
    min-height: 74vh;
    display: grid;
    align-items: center;
    background-position: center;
    background-size: cover;
    color: white;
    padding: clamp(72px, 10vw, 130px) clamp(20px, 7vw, 92px);
}

.hero__content {
    max-width: 720px;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--gold);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

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

h1 {
    margin-bottom: 18px;
    font-size: clamp(48px, 8vw, 92px);
    line-height: .95;
    letter-spacing: 0;
    text-transform: uppercase;
}

h2 {
    max-width: 760px;
    margin-bottom: 18px;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.08;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 8px;
    font-size: 22px;
    line-height: 1.2;
}

.lead {
    max-width: 620px;
    color: #e9eef3;
    font-size: clamp(18px, 2.3vw, 24px);
}

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

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 13px 22px;
    border: 1px solid transparent;
    border-radius: 4px;
    font-weight: 800;
    line-height: 1.2;
    cursor: pointer;
}

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

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

.button--ghost {
    color: white;
    border-color: rgba(255, 255, 255, .65);
}

.section {
    padding: clamp(54px, 7vw, 92px) clamp(20px, 7vw, 92px);
}

.intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 520px);
    gap: clamp(28px, 5vw, 72px);
    align-items: center;
}

.intro p {
    max-width: 680px;
    color: var(--muted);
    font-size: 18px;
}

.intro img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 6px;
}

.metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.metrics span {
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: var(--soft);
    color: #26374a;
    font-weight: 700;
}

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

.section__heading {
    margin-bottom: 30px;
}

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

.service-card {
    overflow: hidden;
    background: white;
    border: 1px solid var(--line);
    border-radius: 6px;
}

.service-card img {
    width: 100%;
    aspect-ratio: 1.45 / 1;
    object-fit: cover;
}

.service-card div {
    padding: 22px;
}

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

.certification {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.certification p {
    max-width: 720px;
    color: var(--muted);
}

.contact {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(300px, 520px);
    gap: clamp(28px, 5vw, 72px);
    background: #0b1724;
    color: white;
}

.contact p,
.contact dd {
    color: #d9e0e7;
}

dl {
    display: grid;
    gap: 14px;
    margin: 28px 0 0;
}

dt {
    color: var(--gold);
    font-weight: 800;
}

dd {
    margin: 0;
}

.contact-form {
    display: grid;
    gap: 14px;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 6px;
    background: rgba(255, 255, 255, .06);
}

label {
    display: grid;
    gap: 6px;
    color: #eef3f7;
    font-size: 14px;
    font-weight: 700;
}

input,
textarea {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 4px;
    padding: 13px 14px;
    color: white;
    background: rgba(255, 255, 255, .08);
    font: inherit;
}

textarea {
    resize: vertical;
}

.form-status {
    padding: 12px;
    border-radius: 4px;
    background: rgba(62, 166, 95, .2);
}

.form-error {
    color: #ffd1d1;
}

.footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 26px 20px;
    color: var(--muted);
    border-top: 1px solid var(--line);
}

.footer img {
    width: 34px;
    height: 38px;
    object-fit: contain;
}

@media (max-width: 860px) {
    .topbar,
    .certification {
        align-items: flex-start;
        flex-direction: column;
    }

    .nav {
        justify-content: flex-start;
    }

    .intro,
    .contact,
    .service-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: 68vh;
    }
}