/* ==========================================================================
   layout.css — site header and footer
   These are identical on every page, so they live here and nowhere else.
   ========================================================================== */

/* ============ HEADER ============ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--navy-600);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
    background: var(--navy-700);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.site-header .nav-inner {
    max-width: 1440px;
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px max(20px, env(safe-area-inset-right)) 10px max(20px, env(safe-area-inset-left));
    min-height: var(--header-h);
}

.site-header .brand {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--white);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    text-decoration: none;
    white-space: nowrap;
}

.site-header .brand i {
    color: var(--cyan-400);
}

/* ---- Top-level list ---- */
.site-header .nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
}

.site-header .nav-links > li {
    position: relative;
}

/* Top-level links and dropdown triggers share one look */
.site-header .nav-links > li > a,
.site-header .nav-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 9px;
    background: none;
    border: none;
    font: inherit;
    font-size: 0.84rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    border-radius: 6px;
    transition: color 0.2s ease, background 0.2s ease;
}

.site-header .nav-links > li > a:hover,
.site-header .nav-trigger:hover,
.site-header .nav-links > li > a.active {
    color: var(--cyan-400);
    background: rgba(255, 255, 255, 0.07);
}

.site-header .nav-trigger i {
    font-size: 0.65rem;
    transition: transform 0.25s ease;
}

.site-header .has-dropdown.open > .nav-trigger {
    color: var(--cyan-400);
    background: rgba(255, 255, 255, 0.07);
}

.site-header .has-dropdown.open > .nav-trigger i {
    transform: rotate(180deg);
}

/* Links whose page doesn't exist yet — remove the class once built */
.site-header .nav-links a.pending {
    opacity: 0.55;
}

.site-header .nav-cta {
    background: var(--cyan-500);
    color: var(--white) !important;
    font-weight: 600 !important;
}

.site-header .nav-cta:hover {
    background: var(--cyan-400);
    color: var(--navy-800) !important;
}

/* ---- Dropdown panels ---- */
.site-header .dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 230px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 18px 45px rgba(0, 30, 60, 0.28);
    padding: 8px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
    z-index: 1100;
}

.site-header .has-dropdown:hover > .dropdown,
.site-header .has-dropdown.open > .dropdown,
.site-header .has-dropdown:focus-within > .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Invisible bridge so the panel doesn't close while the cursor crosses the gap */
.site-header .has-dropdown > .dropdown::before {
    content: "";
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
}

.site-header .dropdown a {
    display: block;
    padding: 10px 14px;
    border-radius: 7px;
    font-size: 0.88rem;
    color: var(--ink);
    text-decoration: none;
    transition: background 0.18s ease, color 0.18s ease;
}

.site-header .dropdown a:hover {
    background: var(--surface-alt);
    color: var(--navy-500);
}

/* Wider two-line panel used for the Services menu — two columns,
   since it holds all ten verticals */
.site-header .dropdown-wide {
    min-width: 620px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px 6px;
}

.site-header .dropdown-wide a {
    display: grid;
    grid-template-columns: 26px 1fr;
    grid-template-rows: auto auto;
    column-gap: 10px;
    padding: 11px 14px;
}

.site-header .dropdown-wide a i {
    grid-row: 1 / 3;
    align-self: center;
    font-size: 1.05rem;
    color: var(--cyan-500);
}

.site-header .dropdown-wide a span {
    font-weight: 600;
    color: var(--navy-500);
}

.site-header .dropdown-wide a small {
    font-size: 0.76rem;
    color: var(--ink-muted);
    line-height: 1.35;
}

/* Keep the last panels from running off the right edge */
.site-header .nav-links > li:nth-last-child(-n + 3) .dropdown {
    left: auto;
    right: 0;
}

/* Hamburger drawn in CSS — no icon font needed, so it always appears */
.site-header .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.site-header .nav-toggle .bar {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px 0;
    background: var(--white);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.2s ease;
}

/* Turns into an X while the menu is open */
.site-header .nav-toggle[aria-expanded="true"] .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-header .nav-toggle[aria-expanded="true"] .bar:nth-child(2) {
    opacity: 0;
}

.site-header .nav-toggle[aria-expanded="true"] .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---- Mobile: nav becomes a full-width accordion drawer ---- */
@media (max-width: 1199px) {
    .site-header .nav-toggle {
        display: block;
    }

    .site-header .nav-links {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        max-height: 0;
        overflow-y: auto;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--navy-700);
        transition: max-height 0.35s ease;
    }

    .site-header .nav-links.open {
        max-height: calc(100vh - var(--header-h));
        max-height: calc(100dvh - var(--header-h));
    }

    .site-header .nav-links > li > a,
    .site-header .nav-trigger {
        width: 100%;
        justify-content: space-between;
        padding: 15px 24px;
        border-radius: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        font-size: 0.95rem;
    }

    .site-header .nav-cta {
        justify-content: center !important;
    }

    /* Panels stack inline instead of floating */
    .site-header .dropdown-wide {
        display: block;
    }

    .site-header .dropdown,
    .site-header .dropdown-wide {
        position: static;
        min-width: 0;
        max-height: 0;
        overflow: hidden;
        padding: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: var(--navy-800);
        border-radius: 0;
        box-shadow: none;
        transition: max-height 0.3s ease;
    }

    /* On touch screens hover must NOT open the panel — only the tap does */
    .site-header .has-dropdown:hover > .dropdown {
        max-height: 0;
    }

    .site-header .has-dropdown.open > .dropdown,
    .site-header .has-dropdown.open:hover > .dropdown {
        max-height: 600px;
    }

    .site-header .dropdown a,
    .site-header .dropdown-wide a {
        display: block;
        padding: 13px 24px 13px 40px;
        border-radius: 0;
        color: rgba(255, 255, 255, 0.85);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .site-header .dropdown a:hover {
        background: rgba(0, 220, 255, 0.12);
        color: var(--cyan-400);
    }

    .site-header .dropdown-wide a i {
        display: none;
    }

    .site-header .dropdown-wide a span {
        color: rgba(255, 255, 255, 0.9);
    }

    .site-header .dropdown-wide a small {
        display: block;
        color: rgba(255, 255, 255, 0.5);
    }
}

/* Pages whose first section is not a full-bleed dark hero need this spacer
   so content doesn't slide under the fixed header. */
body.has-offset {
    padding-top: var(--header-h);
}

/* ============ FOOTER ============ */
.site-footer {
    background: var(--navy-800);
    color: rgba(255, 255, 255, 0.75);
    padding: 60px 24px 24px;
}

.site-footer .footer-inner {
    max-width: var(--container);
    margin-inline: auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
}

.site-footer h4 {
    color: var(--white);
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 16px;
}

.site-footer p,
.site-footer a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.8;
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--cyan-400);
}

.site-footer ul {
    list-style: none;
}

.site-footer .footer-bottom {
    max-width: var(--container);
    margin: 40px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.82rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

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

@media (max-width: 480px) {
    .site-footer .footer-inner {
        grid-template-columns: 1fr;
    }
}

/* ============ SCROLL-TO-TOP BUTTON ============ */
.scroll-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 46px;
    height: 46px;
    border: none;
    border-radius: 50%;
    background: var(--cyan-500);
    color: var(--white);
    font-size: 1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    z-index: 900;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Ten verticals in the footer fit better in two short columns */
.site-footer .footer-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 16px;
}