/* GSAT identity and iOS-style quick navigation for the minibus landing page. */
body {
    padding-bottom: calc(96px + env(safe-area-inset-bottom, 0px));
}

.brand-mark.brand-mark-logo {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    overflow: hidden;
    border-color: rgba(223, 194, 142, .68);
    border-radius: 13px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .28);
}

.brand-mark-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 2px;
    transform: scale(1.08);
    background: #fff;
}

.ios-tab-bar {
    position: fixed;
    z-index: 90;
    left: 50%;
    bottom: max(14px, env(safe-area-inset-bottom, 14px));
    width: min(472px, calc(100% - 28px));
    min-height: 72px;
    padding: 7px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 4px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 26px;
    background: rgba(16, 18, 22, .84);
    box-shadow: 0 18px 54px rgba(0, 0, 0, .42), inset 0 1px rgba(255, 255, 255, .08);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    backdrop-filter: blur(24px) saturate(150%);
    transform: translateX(-50%);
}

.ios-tab {
    min-width: 0;
    min-height: 58px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: 19px;
    color: #a7acb2;
    font: 560 9px/1 var(--font-geist-mono), ui-monospace, monospace;
    letter-spacing: .015em;
    transition: color .18s ease, background .18s ease, transform .18s ease;
}

.ios-tab svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.ios-tab:hover,
.ios-tab:focus-visible {
    color: #fff;
    background: rgba(255, 255, 255, .08);
}

.ios-tab:active {
    transform: scale(.96);
}

.ios-tab.is-active {
    color: #17130d;
    background: linear-gradient(145deg, #f1d39b, #c39f63);
    box-shadow: 0 8px 22px rgba(195, 163, 109, .26), inset 0 1px rgba(255, 255, 255, .58);
}

@media (max-width: 720px) {
    body {
        padding-bottom: calc(89px + env(safe-area-inset-bottom, 0px));
    }

    .site-header {
        gap: 12px;
    }

    .brand-mark.brand-mark-logo {
        width: 39px;
        height: 39px;
        flex-basis: 39px;
        border-radius: 12px;
    }

    .ios-tab-bar {
        bottom: max(7px, env(safe-area-inset-bottom, 7px));
        width: calc(100% - 14px);
        min-height: 70px;
        padding: 6px;
        border-radius: 24px;
    }

    .ios-tab {
        min-height: 56px;
        border-radius: 18px;
        font-size: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ios-tab {
        transition: none;
    }
}