* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f8;
    color: #17202a;
    line-height: 1.5;
}

a {
    color: inherit;
}

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    background: #0f172a;
    color: #fff;
    border-bottom: 4px solid #c62828;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 20px 0;
}

.brand {
    text-decoration: none;
}

.brand-title {
    display: block;
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.7px;
}

.brand-subtitle {
    display: block;
    margin-top: 2px;
    font-size: 13px;
    color: #cbd5e1;
    letter-spacing: 0.6px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a {
    display: inline-block;
    padding: 10px 14px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
    color: #e5e7eb;
}

.main-nav a:hover {
    background: rgba(255,255,255,.09);
    color: #fff;
}

.hero {
    background:
        linear-gradient(
            135deg,
            #0f172a 0%,
            #1e293b 60%,
            #334155 100%
        );
    color: #fff;
    padding: 70px 0 80px;
}

.hero-content {
    max-width: 820px;
}

.hero-label {
    display: inline-block;
    margin-bottom: 16px;
    padding: 7px 12px;
    background: rgba(198,40,40,.2);
    border: 1px solid rgba(239,68,68,.45);
    border-radius: 999px;
    color: #fecaca;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.hero h1 {
    margin: 0;
    font-size: clamp(38px, 6vw, 68px);
    line-height: 1.05;
    letter-spacing: -1.8px;
}

.hero p {
    max-width: 700px;
    margin: 22px 0 0;
    font-size: 20px;
    color: #dbe4ee;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.btn {
    display: inline-block;
    padding: 13px 20px;
    border-radius: 9px;
    text-decoration: none;
    font-weight: 800;
}

.btn-primary {
    background: #c62828;
    color: #fff;
}

.btn-primary:hover {
    background: #b71c1c;
}

.btn-secondary {
    background: rgba(255,255,255,.10);
    border: 1px solid rgba(255,255,255,.18);
    color: #fff;
}

.section {
    padding: 55px 0;
}

.section-title {
    margin-bottom: 8px;
    font-size: 32px;
    line-height: 1.15;
}

.section-intro {
    margin-top: 0;
    margin-bottom: 30px;
    max-width: 760px;
    color: #5f6b7a;
    font-size: 17px;
}

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

.module-card {
    position: relative;
    overflow: hidden;
    background: #fff;
    border: 1px solid #e4e7ec;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 8px 26px rgba(15,23,42,.06);
}

.module-card h3 {
    margin: 0 0 8px;
    font-size: 23px;
}

.module-card p {
    margin: 0 0 22px;
    color: #667085;
}

.module-card a {
    font-weight: 800;
    color: #b91c1c;
    text-decoration: none;
}

.module-card a:hover {
    text-decoration: underline;
}

.module-badge {
    display: inline-block;
    margin-bottom: 18px;
    padding: 6px 10px;
    border-radius: 999px;
    background: #f2f4f7;
    color: #344054;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.status-box {
    margin-top: 34px;
    padding: 24px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid #e4e7ec;
}

.status-box strong {
    color: #166534;
}

.site-footer {
    margin-top: 50px;
    background: #0f172a;
    color: #cbd5e1;
    padding: 30px 0;
    font-size: 14px;
}

.footer-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

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

@media (max-width: 850px) {
    .header-top {
        align-items: flex-start;
        flex-direction: column;
    }

    .main-nav {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .module-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .container {
        width: min(100% - 22px, 1180px);
    }

    .hero {
        padding: 50px 0 58px;
    }

    .hero p {
        font-size: 17px;
    }

    .site-header {
        border-bottom-width: 3px;
    }

    .brand-title {
        font-size: 25px;
    }

    .main-nav a {
        padding: 9px 10px;
        white-space: nowrap;
    }
}