/* ==========================================================================
   Site header + main navigation (includes/header.php, includes/navigation.php)
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, .97);
    border-bottom: 1px solid var(--ph-border);
    padding-top: env(safe-area-inset-top);
    transition: box-shadow .25s ease;
}

/* Scroll progress line over the bottom border (width set by header.js). */
.site-header__progress {
    position: absolute;
    inset-inline-start: 0;
    bottom: -1px;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--ph-red-strong), var(--ph-red));
    transform: scaleX(var(--scroll-progress, 0));
    transform-origin: left center;
    pointer-events: none;
    will-change: transform;
}

.site-header.is-scrolled {
    box-shadow: 0 6px 24px -14px rgba(13, 17, 23, .35);
}

.site-navbar {
    min-height: var(--ph-header-h);
    padding-block: .5rem;
}

.site-brand {
    display: inline-flex;
    padding: 0;
    margin-inline-end: 1.5rem;
}

.site-brand img {
    width: 68px;
    height: 68px;
    object-fit: contain;
}

/* Desktop nav ------------------------------------------------------------ */

.site-nav {
    align-items: center;
    gap: .15rem;
}

.site-nav__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .55rem .8rem !important;
    border: 0;
    background: none;
    font-family: var(--ph-font-heading);
    font-size: .95rem;
    font-weight: 600;
    color: #3c4350;
    border-radius: 4px;
}

.site-nav__link:hover,
.site-nav__link:focus-visible,
.site-nav__link.show {
    color: var(--ph-red-strong);
}

/* No focus box when a menu opens on hover/click (Bootstrap adds a blue
   glow). Keyboard focus still shows: red text + the red underline below. */
.site-nav .site-nav__link:focus,
.site-nav .site-nav__link:focus-visible {
    outline: 0;
    box-shadow: none;
}

/* Beats Bootstrap's .navbar-nav .nav-link.active (dark text) */
.site-nav .site-nav__link.active,
.site-nav .site-nav__link.show {
    color: var(--ph-red-strong);
}

/* Active page: red underline (desktop) */
@media (min-width: 992px) {
    .site-nav__link::before {
        content: "";
        position: absolute;
        inset-inline-start: .8rem;
        inset-inline-end: .8rem;
        bottom: .2rem;
        height: 2px;
        border-radius: 2px;
        background: var(--ph-red);
        transform: scaleX(0);
        transform-origin: left center;
        transition: transform .3s ease;
    }

    .site-nav__link.dropdown-toggle::before { inset-inline-end: 1.6rem; }

    .site-nav__link:hover::before,
    .site-nav__link:focus-visible::before,
    .site-nav__link.active::before { transform: scaleX(1); }
}

.site-nav__link.dropdown-toggle::after {
    border: 0;
    content: "\F282"; /* bootstrap-icons chevron-down */
    font-family: "bootstrap-icons";
    font-size: .7rem;
    vertical-align: 0;
    margin-inline-start: .15rem;
    transition: transform .2s ease;
}

.site-nav__link.dropdown-toggle.show::after { transform: rotate(180deg); }

.site-nav__menu {
    --bs-dropdown-min-width: 15rem;
    --bs-dropdown-padding-y: .5rem;
    --bs-dropdown-border-color: var(--ph-border);
    --bs-dropdown-border-radius: var(--ph-radius);
    --bs-dropdown-link-color: var(--ph-ink);
    --bs-dropdown-link-hover-color: var(--ph-red-strong);
    --bs-dropdown-link-hover-bg: var(--ph-red-soft);
    --bs-dropdown-link-active-color: var(--ph-white);
    --bs-dropdown-link-active-bg: var(--ph-red-strong);
    --bs-dropdown-item-padding-x: 1.1rem;
    --bs-dropdown-item-padding-y: .6rem;
    box-shadow: var(--ph-shadow-md);
    font-size: .925rem;
    border-top: 3px solid var(--ph-red);
}

/* Page being viewed: red text + red bar, not clickable */
.site-nav__menu .dropdown-item.is-current,
.site-nav__menu .dropdown-item.is-current:hover {
    color: var(--ph-red-strong);
    font-weight: 600;
    background: var(--ph-red-soft);
    box-shadow: inset 3px 0 0 var(--ph-red);
    cursor: default;
}

.site-nav__item--cta { margin-inline-start: .75rem; }

.site-nav__cta {
    --bs-btn-padding-x: 1.35rem;
    --bs-btn-padding-y: .65rem;
    --bs-btn-font-size: .95rem;
}

.site-nav__cta.active { box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .5); }

/* Toggler ---------------------------------------------------------------- */

.site-toggler {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 46px;
    height: 46px;
    padding: 0 11px;
    border: 1px solid var(--ph-border);
    border-radius: var(--ph-radius);
}

.site-toggler:focus { box-shadow: none; }

.site-toggler__bar {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--ph-ink);
    border-radius: 2px;
}

.site-toggler__bar:nth-child(2) { width: 70%; background: var(--ph-red); }

/* Off-canvas (below lg) -------------------------------------------------- */

.site-offcanvas {
    --bs-offcanvas-width: min(360px, 88vw);
}

.site-offcanvas__header {
    border-bottom: 1px solid var(--ph-border);
    padding-top: calc(var(--bs-offcanvas-padding-y) + env(safe-area-inset-top));
}

.site-offcanvas__brand img {
    width: 56px;
    height: 56px;
}

@media (max-width: 991.98px) {
    .site-offcanvas__body {
        padding: 1rem 1.25rem calc(1.5rem + env(safe-area-inset-bottom));
    }

    .site-nav {
        align-items: stretch;
        gap: 0;
    }

    .site-nav__item { border-bottom: 1px solid var(--ph-border); }

    .site-nav__link {
        width: 100%;
        justify-content: space-between;
        padding: 1rem .25rem !important;
        font-size: 1.05rem;
        min-height: 52px;
    }

    .site-nav__menu {
        border: 0;
        border-top: 0;
        box-shadow: none;
        padding: 0 0 .75rem;
        background: transparent;
    }

    .site-nav__menu .dropdown-item {
        padding: .7rem 1rem;
        border-inline-start: 2px solid var(--ph-border);
        color: var(--ph-body);
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Active page in the mobile menu: red text + red left bar */
    .site-nav__link.active { box-shadow: inset 3px 0 0 var(--ph-red); padding-inline-start: .9rem !important; }

    .site-nav__item--cta {
        border-bottom: 0;
        margin: 1.5rem 0 0;
    }

    .site-nav__cta { width: 100%; }
}

/* RTL (dir="rtl"): values with no logical keyword. No effect on LTR pages. */
[dir="rtl"] .site-header__progress,
[dir="rtl"] .site-nav__link::before { transform-origin: right center; }
@media (max-width: 991.98px) {
    [dir="rtl"] .site-nav__link.active { box-shadow: inset -3px 0 0 var(--ph-red); }
}