.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(8, 22, 42, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
}

.site-header .container,
.site-footer .container {
    width: min(1240px, calc(100% - 32px));
    margin: 0 auto;
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 0;
}

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

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    color: #7dd3fc;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.18), rgba(14, 165, 164, 0.14));
    border: 1px solid rgba(125, 211, 252, 0.24);
}

.brand-text {
    font-family: "Manrope", sans-serif;
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.05em;
    color: #ffffff;
}

.brand-text span { color: #4cc9ff; }

.nav {
    display: flex;
    align-items: center;
    gap: 28px;
    color: rgba(255, 255, 255, 0.88);
    font-size: 15px;
    white-space: nowrap;
}

.nav-dropdown {
    position: relative;
    padding-bottom: 18px;
    margin-bottom: -18px;
}

.nav-dropdown::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 18px;
}

.nav-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.nav-caret {
    width: 10px;
    height: 10px;
    border-right: 1.6px solid currentColor;
    border-bottom: 1.6px solid currentColor;
    transform: rotate(45deg) translateY(-1px);
    opacity: 0.72;
}

.nav-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    width: 280px;
    display: grid;
    gap: 8px;
    padding: 16px;
    border-radius: 20px;
    background: rgba(8, 22, 42, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 24px 60px rgba(14, 31, 58, 0.12);
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity 180ms ease, transform 180ms ease;
    z-index: 50;
}

.nav-dropdown:hover .nav-menu,
.nav-dropdown:focus-within .nav-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.nav-menu a {
    display: block;
    padding: 10px 12px;
    border-radius: 12px;
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.45;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
    background: rgba(255, 255, 255, 0.06);
}

.nav-menu strong {
    display: block;
    color: #ffffff;
    font-size: 14px;
}

.nav-menu span {
    display: block;
    margin-top: 3px;
    color: rgba(255, 255, 255, 0.62);
    font-size: 12px;
}

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

.btn-phone {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 22px;
    border-radius: 14px;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.03);
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    transition: transform 180ms ease;
}

.btn-phone:hover {
    transform: translateY(-2px);
}

.phone-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.mobile-nav { display: none; }

.site-footer {
    margin-top: 24px;
    background:
        radial-gradient(circle at 10% 0%, rgba(56, 189, 248, 0.12), transparent 18%),
        linear-gradient(180deg, #07172b, #0b203c);
    color: #ffffff;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(280px, 1.3fr) minmax(220px, 1fr) repeat(2, minmax(220px, 1fr));
    gap: 28px;
    align-items: start;
    padding: 38px 0 24px;
}

.footer-brand {
    max-width: 320px;
}

.footer-brand p,
.footer-col a,
.footer-col div {
    color: rgba(255, 255, 255, 0.74);
    font-size: 14px;
    line-height: 1.8;
}

.footer-col a {
    display: inline-block;
}

.footer-title {
    margin-bottom: 12px;
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
}

.footer-contact {
    padding: 0;
}

.footer-contact strong {
    display: block;
    margin-bottom: 12px;
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
}

.footer-contact a,
.footer-contact div {
    display: block;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.75;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 18px 0 26px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
}

@media (max-width: 1080px) {
    .nav,
    .nav-actions { display: none; }

    .mobile-nav { display: block; }

    .mobile-nav details { position: relative; }

    .mobile-nav summary {
        list-style: none;
        width: 44px;
        height: 44px;
        display: grid;
        place-items: center;
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.14);
        background: rgba(255, 255, 255, 0.04);
        color: #ffffff;
        cursor: pointer;
    }

    .mobile-nav summary::-webkit-details-marker { display: none; }

    .mobile-panel {
        position: absolute;
        right: 0;
        top: calc(100% + 10px);
        width: 250px;
        display: grid;
        gap: 14px;
        padding: 18px;
        border-radius: 18px;
        background: rgba(8, 22, 42, 0.96);
        border: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 24px 60px rgba(14, 31, 58, 0.12);
        color: #ffffff;
        z-index: 50;
    }

    .mobile-panel-group {
        display: grid;
        gap: 8px;
        padding-top: 4px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .mobile-panel-group:first-child {
        padding-top: 0;
        border-top: none;
    }

    .mobile-panel-title {
        color: rgba(255, 255, 255, 0.56);
        font-size: 11px;
        font-weight: 800;
        letter-spacing: 0.16em;
        text-transform: uppercase;
    }

    .mobile-panel-group a {
        line-height: 1.45;
    }

    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}