:root {
    --dark:#10161c;
    --steel:#6f7d89;
    --light:#f5f7f9;
    --silver:#d9dee3;
    --copper:#b66a3c;
    --gold:#c8a04d;
    --white:#ffffff;
}

* {
    box-sizing:border-box;
}

body {
    margin:0;
    font-family:Arial, Helvetica, sans-serif;
    color:var(--dark);
    background:#fff;
}

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

.top-line {
    height:4px;
    background:linear-gradient(90deg,#202830,#aeb8c2,#b66a3c,#c8a04d,#202830);
}

.site-header {
    background:rgba(255,255,255,.96);
    border-bottom:1px solid #e6e9ec;
    position:sticky;
    top:0;
    z-index:100;
    backdrop-filter:blur(10px);
}

.nav-wrap {
    max-width:1240px;
    margin:auto;
    padding:14px 22px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
}

.brand img {
    height:62px;
    width:auto;
    display:block;
}

.main-nav {
    display:flex;
    align-items:center;
    gap:22px;
    font-size:14px;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:.07em;
}

.main-nav a {
    color:#26313a;
}

.main-nav a:hover {
    color:var(--copper);
}

.langs {
    display:flex;
    gap:7px;
    font-size:12px;
    font-weight:800;
}

.langs a {
    border:1px solid #d6dce1;
    padding:7px 9px;
    border-radius:20px;
    background:#fff;
}

.langs a:hover {
    background:#10161c;
    color:#fff;
}

.burger {
    display:none;
    border:0;
    background:#10161c;
    color:#fff;
    border-radius:8px;
    padding:9px 12px;
    font-size:20px;
}

.hero {
    min-height:720px;
    background:
        linear-gradient(90deg,rgba(16,22,28,.92),rgba(16,22,28,.66),rgba(16,22,28,.1)),
        url('/assets/img/logo.png') right 8% center/520px no-repeat,
        radial-gradient(circle at top right,#eef2f5,#ffffff 48%,#edf0f3);
    display:flex;
    align-items:center;
}

.hero-inner {
    max-width:1240px;
    margin:auto;
    padding:80px 22px;
    width:100%;
}

.hero-box {
    max-width:720px;
    color:#fff;
}

.kicker {
    color:#d7b36a;
    text-transform:uppercase;
    letter-spacing:.18em;
    font-size:13px;
    font-weight:800;
    margin-bottom:18px;
}

.hero h1 {
    font-size:58px;
    line-height:1.02;
    margin:0 0 24px;
    letter-spacing:-.04em;
}

.hero p {
    font-size:20px;
    line-height:1.6;
    color:#e7edf2;
    margin-bottom:34px;
}

.btn-row {
    display:flex;
    gap:14px;
    flex-wrap:wrap;
}

.btn {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:15px 24px;
    border-radius:3px;
    font-weight:800;
    text-transform:uppercase;
    letter-spacing:.08em;
    font-size:13px;
}

.btn-primary {
    background:linear-gradient(135deg,#b66a3c,#d4a65d);
    color:#fff;
}

.btn-secondary {
    border:1px solid rgba(255,255,255,.45);
    color:#fff;
}

.stats {
    max-width:1240px;
    margin:-70px auto 0;
    padding:0 22px;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:18px;
    position:relative;
    z-index:3;
}

.stat-card {
    background:#fff;
    padding:28px;
    border-radius:16px;
    box-shadow:0 20px 50px rgba(0,0,0,.12);
    border:1px solid #e8edf1;
}

.stat-card strong {
    display:block;
    font-size:26px;
    margin-bottom:8px;
}

.section {
    padding:90px 22px;
}

.section-inner {
    max-width:1240px;
    margin:auto;
}

.section-title {
    text-align:center;
    margin-bottom:44px;
}

.section-title span {
    color:var(--copper);
    font-size:13px;
    font-weight:900;
    letter-spacing:.18em;
    text-transform:uppercase;
}

.section-title h2 {
    margin:12px 0 0;
    font-size:42px;
    letter-spacing:-.03em;
}

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

.material-card {
    background:linear-gradient(145deg,#ffffff,#f3f6f8);
    border:1px solid #e4e9ee;
    border-radius:18px;
    padding:32px;
    min-height:210px;
    box-shadow:0 14px 34px rgba(25,35,45,.08);
    position:relative;
    overflow:hidden;
}

.material-card:after {
    content:"";
    position:absolute;
    width:120px;
    height:120px;
    border-radius:50%;
    background:linear-gradient(135deg,rgba(182,106,60,.2),rgba(111,125,137,.16));
    right:-40px;
    bottom:-40px;
}

.material-card h3 {
    font-size:26px;
    margin:0 0 14px;
}

.material-card p {
    color:#5e6a74;
    line-height:1.6;
}

.split {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:44px;
    align-items:center;
}

.panel {
    background:#10161c;
    color:#fff;
    padding:44px;
    border-radius:22px;
    box-shadow:0 20px 50px rgba(0,0,0,.16);
}

.panel h2 {
    font-size:38px;
    margin-top:0;
}

.panel p {
    color:#d7dee5;
    line-height:1.7;
    font-size:17px;
}

.service-list {
    display:grid;
    gap:14px;
}

.service-item {
    background:#fff;
    border:1px solid #e4e9ee;
    padding:20px;
    border-radius:14px;
    font-weight:800;
    box-shadow:0 10px 24px rgba(20,30,40,.06);
}

.contact-box {
    max-width:760px;
    margin:auto;
    background:#fff;
    border:1px solid #e4e9ee;
    border-radius:22px;
    padding:36px;
    box-shadow:0 18px 45px rgba(20,30,40,.08);
}

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

input, textarea {
    width:100%;
    border:1px solid #d8dee4;
    border-radius:10px;
    padding:14px;
    font-size:15px;
}

textarea {
    min-height:150px;
}

button.submit {
    border:0;
    background:#10161c;
    color:#fff;
    padding:15px 24px;
    border-radius:10px;
    font-weight:900;
    cursor:pointer;
}

.footer {
    background:#10161c;
    color:#dbe2e8;
    padding:46px 22px;
}

.footer-inner {
    max-width:1240px;
    margin:auto;
    display:flex;
    justify-content:space-between;
    gap:30px;
}

.footer-logo {
    height:70px;
    background:#fff;
    border-radius:8px;
    padding:8px;
    margin-bottom:14px;
}

.page-hero {
    background:linear-gradient(135deg,#10161c,#303b45);
    color:#fff;
    padding:90px 22px;
}

.page-hero-inner {
    max-width:1240px;
    margin:auto;
}

.page-hero h1 {
    font-size:52px;
    margin:0;
}

.page-hero p {
    max-width:760px;
    color:#d7dee5;
    font-size:19px;
    line-height:1.6;
}

@media(max-width:900px) {
    .burger {
        display:block;
    }

    .main-nav,
    .langs {
        display:none;
    }

    body.menu-open .main-nav,
    body.menu-open .langs {
        display:flex;
        position:absolute;
        left:0;
        right:0;
        background:#fff;
        padding:20px;
        flex-direction:column;
        align-items:flex-start;
        border-bottom:1px solid #e5e8eb;
    }

    body.menu-open .main-nav {
        top:92px;
    }

    body.menu-open .langs {
        top:330px;
        flex-direction:row;
    }

    .hero {
        background:linear-gradient(90deg,rgba(16,22,28,.94),rgba(16,22,28,.82));
        min-height:auto;
    }

    .hero h1 {
        font-size:38px;
    }

    .stats,
    .material-grid,
    .split {
        grid-template-columns:1fr;
    }

    .stats {
        margin:0 auto;
        padding-top:24px;
    }

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