:root {
    --bg: #f6f8fb;
    --card: #ffffff;
    --text: #172033;
    --muted: #5b667a;
    --primary: #0f3d66;
    --accent: #f2b705;
    --line: #dfe5ee;
}

* {
    box-sizing: border-box;
}

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

.container {
    width: min(1120px, 92%);
    margin: auto;
}

.topbar {
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.brand {
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    font-size: 1.35rem;
}

.brand span {
    background: var(--primary);
    color: #ffffff;
    padding: 6px 9px;
    border-radius: 8px;
    margin-right: 6px;
}

.nav {
    display: flex;
    gap: 18px;
}

.nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
}

.nav a:hover,
.nav .active {
    color: var(--primary);
}

.menu-btn {
    display: none;
    background: var(--primary);
    color: #ffffff;
    border: 0;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 1.2rem;
}

.hero {
    background: linear-gradient(135deg, #0f3d66, #185d95);
    color: #ffffff;
    padding: 70px 0;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.6rem);
    line-height: 1.1;
    margin: 0 0 16px;
}

.hero p {
    font-size: 1.15rem;
    max-width: 850px;
}

.btn {
    display: inline-block;
    background: var(--accent);
    color: var(--text);
    text-decoration: none;
    font-weight: 800;
    border-radius: 10px;
    padding: 13px 20px;
    margin-top: 12px;
}

.btn.secondary {
    background: #ffffff;
    color: var(--primary);
}

section {
    padding: 50px 0;
}

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

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 24px rgba(15, 61, 102, 0.06);
}

.card h2,
.card h3 {
    margin-top: 0;
    color: var(--primary);
}

.lead {
    font-size: 1.15rem;
    color: var(--muted);
    max-width: 900px;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.chip {
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 12px;
    font-weight: 700;
}

.page-head {
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    padding: 42px 0;
}

.page-head h1 {
    color: var(--primary);
    margin: 0;
}

.two-col {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.list-check {
    padding-left: 0;
    list-style: none;
}

.list-check li {
    margin: 10px 0;
    padding-left: 28px;
    position: relative;
}

.list-check li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 900;
}

.contact-box {
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 22px;
}

label {
    display: block;
    font-weight: 700;
    margin-top: 12px;
}

input,
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    font: inherit;
}

textarea {
    min-height: 150px;
}

.footer {
    background: #101827;
    color: #ffffff;
    padding: 34px 0;
}

.footer a {
    color: #ffffff;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 25px;
}

.note {
    background: #fff8d9;
    border-left: 5px solid var(--accent);
    padding: 16px;
    border-radius: 10px;
}

@media (max-width: 800px) {
    .grid,
    .two-col,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .menu-btn {
        display: block;
    }

    .nav {
        display: none;
        position: absolute;
        top: 66px;
        left: 0;
        right: 0;
        background: #ffffff;
        padding: 18px;
        flex-direction: column;
        border-bottom: 1px solid var(--line);
    }

    .nav.open {
        display: flex;
    }

    .hero {
        padding: 48px 0;
    }
}