:root {
    --bg: #07111f;
    --bg-soft: #0d1b2e;
    --card: #11243a;
    --card-light: #f5f7fb;
    --text: #e8eef7;
    --text-dark: #152033;
    --muted: #8fa2bd;
    --blue: #1f7ae0;
    --blue-light: #52a8ff;
    --orange: #ff9500;
    --border: rgba(255, 255, 255, 0.12);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

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

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

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(7, 17, 31, 0.9);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    min-height: 128px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 240px;
    height: auto;
    max-height: 120px;
    object-fit: contain;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--blue), #0a2f5c);
    color: white;
    font-weight: 800;
    box-shadow: 0 0 0 2px rgba(255,255,255,0.08);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-text span {
    font-size: 16px;
    color: var(--muted);
}

.brand-text strong {
    font-size: 28px;
    line-height: 1;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 22px;
    font-size: 15px;
    color: #dbe7f7;
}

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

.nav-login {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
}

.site-footer {
    border-top: 1px solid var(--border);
    background: #050b14;
    padding: 28px 0;
    color: var(--muted);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 24px;
}

.footer-inner strong {
    color: white;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: right;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 20px;
    border-radius: 12px;
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--orange), #ff6b00);
    color: #111827;
}

.btn-secondary {
    border-color: var(--border);
    color: white;
    background: rgba(255,255,255,0.04);
}

@media (max-width: 820px) {
    .header-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 16px 0;
    }

    .main-nav {
        width: 100%;
        flex-wrap: wrap;
        gap: 12px;
    }

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

    .footer-contact {
        text-align: left;
    }
}