/**
 * IQA ASIA - Header Redesign (scoped)
 *
 * Overrides only apply within #masthead / .iqa-asia-header.
 * Loaded after iqa-asia-main.css. Do not use global selectors here.
 */

/* --------------------------------------------- Base (all widths) */

/* Align header content to the 1200px page grid (.iqa-asia-container) */
.iqa-asia-header .iqa-asia-container-fluid {
    max-width: var(--iqa-content-width);
    padding: 0 15px;
}

/* Sticky header gets its own stacking context above page content */
.iqa-asia-header-sticky {
    z-index: 1000;
}

/* Scroll state: shadow only - never changes height (no layout shift) */
.iqa-asia-header {
    border-bottom: 1px solid var(--iqa-border);
    transition: box-shadow 0.3s ease, background-color 0.3s ease;
    background: var(--iqa-bg);
}
.iqa-asia-header.is-scrolled {
    box-shadow: 0 6px 24px rgba(26, 35, 126, 0.10);
}

/* Header bar rhythm */
.iqa-asia-header .iqa-asia-header-inner {
    padding: 14px 0;
    gap: 24px;
}
.iqa-asia-header .iqa-asia-header-branding,
.iqa-asia-header .iqa-asia-header-actions {
    flex-shrink: 0;
}
.iqa-asia-header .iqa-asia-header-actions {
    gap: 12px;
}

/* Logo: neutralize customizer --iqa-logo-pt padding, fix height (no CLS) */
.iqa-asia-header .iqa-asia-header-branding img {
    display: block;
    height: 52px;
    width: auto;
    max-width: none;
    padding-top: 0 !important;
    margin-top: 0;
}

/* CTA buttons: equalized height, smooth hover, focus rings */
.iqa-asia-header .iqa-asia-auth-buttons {
    gap: 10px;
}
.iqa-asia-header .iqa-asia-auth-buttons .iqa-asia-btn {
    height: 40px;
    padding: 0 20px;
    font-size: 13px;
    letter-spacing: 0.3px;
    border-radius: var(--iqa-radius);
    white-space: nowrap;
}
.iqa-asia-header .iqa-asia-auth-buttons .iqa-asia-btn-accent:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(255, 111, 0, 0.28);
}
.iqa-asia-header .iqa-asia-auth-buttons .iqa-asia-btn-outline:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(26, 35, 126, 0.18);
}
.iqa-asia-header a:focus-visible,
.iqa-asia-header button:focus-visible {
    outline: 2px solid var(--iqa-accent);
    outline-offset: 2px;
}

/* Anchor targets clear the sticky header */
html {
    scroll-padding-top: 96px;
}

/* --------------------------------------------- Desktop nav (>= 992px) */

@media (min-width: 992px) {

    /* True-centered navigation between logo and actions */
    .iqa-asia-header .iqa-asia-primary-navigation {
        display: flex;
        align-items: center;
        justify-content: center;
        flex: 1 1 auto;
        min-width: 0;
    }
    .iqa-asia-header .iqa-asia-primary-menu > li > a {
        position: relative;
        padding: 10px 15px;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.8px;
        white-space: nowrap;
    }

    /* Animated accent underline (hover + active + keyboard focus) */
    .iqa-asia-header .iqa-asia-primary-menu > li > a::before {
        content: '';
        position: absolute;
        left: 15px;
        right: 15px;
        bottom: 4px;
        height: 2px;
        background: var(--iqa-accent);
        border-radius: 1px;
        transform: scaleX(0);
        transform-origin: left center;
        transition: transform 0.3s ease;
    }
    .iqa-asia-header .iqa-asia-primary-menu > li > a:hover::before,
    .iqa-asia-header .iqa-asia-primary-menu > li.current-menu-item > a::before,
    .iqa-asia-header .iqa-asia-primary-menu > li.current_page_item > a::before,
    .iqa-asia-header .iqa-asia-primary-menu > li.current-menu-ancestor > a::before,
    .iqa-asia-header .iqa-asia-primary-menu > li.current-menu-parent > a::before,
    .iqa-asia-header .iqa-asia-primary-menu > li:focus-within > a::before {
        transform: scaleX(1);
    }

    /* Refined dropdown caret */
    .iqa-asia-header .iqa-asia-primary-menu .menu-item-has-children > a::after {
        font-size: 7px;
        opacity: 0.55;
        margin-left: 6px;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }
    .iqa-asia-header .iqa-asia-primary-menu > li:hover > a::after,
    .iqa-asia-header .iqa-asia-primary-menu > li:focus-within > a::after {
        transform: rotate(180deg);
        opacity: 1;
    }

    /* Dropdown panel: breathing room, border, deeper shadow */
    .iqa-asia-header .iqa-asia-primary-menu .sub-menu {
        top: calc(100% + 8px);
        min-width: 230px;
        padding: 8px 0;
        border: 1px solid var(--iqa-border);
        box-shadow: 0 16px 40px rgba(26, 35, 126, 0.14);
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    }
    .iqa-asia-header .iqa-asia-primary-menu .sub-menu a {
        padding: 10px 18px;
        font-size: 13.5px;
        transition: background var(--iqa-transition), color var(--iqa-transition), padding-left 0.25s ease;
    }
    .iqa-asia-header .iqa-asia-primary-menu .sub-menu a:hover,
    .iqa-asia-header .iqa-asia-primary-menu .sub-menu a:focus-visible {
        background: var(--iqa-bg-alt);
        color: var(--iqa-accent);
        padding-left: 22px;
    }
    .iqa-asia-header .iqa-asia-primary-menu .sub-menu .sub-menu {
        top: 0;
        left: 100%;
        margin-left: 8px;
    }

    /* Keyboard: open dropdown when focus is inside it */
    .iqa-asia-header .iqa-asia-primary-menu > li:focus-within > .sub-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    /* Right-edge guard (class added by JS) */
    .iqa-asia-header .iqa-asia-primary-menu li.iqa-sub-flip > .sub-menu {
        left: auto;
        right: 0;
    }
    .iqa-asia-header .iqa-asia-primary-menu li.iqa-sub-flip .sub-menu .sub-menu {
        left: auto;
        right: 100%;
        margin-left: 0;
        margin-right: 8px;
    }
}

/* --------------------------------------------- Panel mode (<= 991px) */

@media (max-width: 991px) {

    /* Hamburger */
    .iqa-asia-header .iqa-asia-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        padding: 10px;
        border-radius: var(--iqa-radius);
        transition: background var(--iqa-transition);
    }
    .iqa-asia-header .iqa-asia-menu-toggle:hover {
        background: var(--iqa-bg-alt);
    }

    /* Slide-down panel */
    .iqa-asia-header .iqa-asia-primary-navigation {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--iqa-bg);
        border-top: 1px solid var(--iqa-border);
        box-shadow: 0 18px 40px rgba(26, 35, 126, 0.16);
        z-index: 1001;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-8px);
        max-height: calc(100vh - 76px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    }
    .iqa-asia-header .iqa-asia-primary-navigation.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    /* Panel list */
    .iqa-asia-header .iqa-asia-primary-menu {
        flex-direction: column;
        gap: 0;
        padding: 8px 15px 16px;
    }
    .iqa-asia-header .iqa-asia-primary-menu > li > a {
        display: flex;
        align-items: center;
        min-height: 46px;
        padding: 13px 4px;
        font-size: 14.5px;
        font-weight: 600;
        letter-spacing: 0.4px;
    }

    /* Hide desktop caret + underline in panel */
    .iqa-asia-header .iqa-asia-primary-menu .menu-item-has-children > a::after {
        content: none;
    }
    .iqa-asia-header .iqa-asia-primary-menu > li > a::before {
        content: none;
    }

    /* Active item: accent bar + weight */
    .iqa-asia-header .iqa-asia-primary-menu > li.current-menu-item > a,
    .iqa-asia-header .iqa-asia-primary-menu > li.current_page_item > a,
    .iqa-asia-header .iqa-asia-primary-menu > li.current-menu-ancestor > a,
    .iqa-asia-header .iqa-asia-primary-menu > li.current-menu-parent > a {
        color: var(--iqa-primary);
        font-weight: 700;
        box-shadow: inset 3px 0 0 var(--iqa-accent);
        padding-left: 12px;
    }

    /* Accordion submenus */
    .iqa-asia-header .iqa-asia-primary-menu .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        min-width: 0;
        padding: 0 0 0 16px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
    }
    .iqa-asia-header .iqa-asia-primary-menu .sub-menu.open {
        max-height: 600px;
        opacity: 1;
    }
    .iqa-asia-header .iqa-asia-primary-menu .sub-menu li a {
        display: flex;
        align-items: center;
        min-height: 44px;
        padding: 11px 4px;
        font-size: 14px;
        border-left: 2px solid transparent;
        margin-left: 0;
    }
    .iqa-asia-header .iqa-asia-primary-menu .sub-menu li a:hover,
    .iqa-asia-header .iqa-asia-primary-menu .sub-menu li a:focus-visible {
        background: transparent;
        color: var(--iqa-accent);
        border-left-color: var(--iqa-accent);
        padding-left: 10px;
    }

    /* Submenu chevron buttons (touch targets) */
    .iqa-asia-header .iqa-asia-submenu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        min-height: 46px;
        padding: 8px 12px;
        margin-left: auto;
        color: var(--iqa-text);
    }
    .iqa-asia-header .iqa-asia-submenu-toggle:hover {
        color: var(--iqa-accent);
    }
}

/* --------------------------------------------- Compact mobile (<= 480px) */

@media (max-width: 480px) {
    .iqa-asia-header .iqa-asia-header-inner {
        padding: 10px 0;
        gap: 10px;
    }
    .iqa-asia-header .iqa-asia-header-branding img {
        height: 42px;
    }
    .iqa-asia-header .iqa-asia-header-actions {
        gap: 8px;
    }
    .iqa-asia-header .iqa-asia-auth-buttons {
        gap: 6px;
    }
    .iqa-asia-header .iqa-asia-auth-buttons .iqa-asia-btn {
        height: 36px;
        padding: 0 12px;
        font-size: 12.5px;
    }
    .iqa-asia-header .iqa-asia-menu-toggle {
        width: 44px;
        height: 44px;
        padding: 8px;
    }
}