/* =========================================
   HEADER VARIABLES
========================================= */

:root {
    --header-primary: #214f99;
    --header-secondary: #5e832a;
    --header-text: #111827;
    --header-border: #e5e7eb;
    --header-bg: #ffffff;
    --desktop-header-height: 90px;
    --mobile-header-height: 80px;
    --header-transition: 0.3s ease;
}

/* =========================================
   BASE HEADER
========================================= */

.site-header,
.site-header *,
.site-header *::before,
.site-header *::after {
    box-sizing: border-box;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    width: 100%;
    background: var(--header-bg);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.custom-navbar {
    width: 100%;
    min-height: var(--desktop-header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

/* =========================================
   LOGO
========================================= */

.logo-area {
    flex-shrink: 0;
}

.logo-area a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-area img {
    display: block;
    width: auto;
    max-width: 100%;
    max-height: 60px;
    object-fit: contain;
}

/* =========================================
   DESKTOP NAVIGATION
========================================= */

.main-navigation {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.main-menu {
    display: flex;
    align-items: center;
    gap: 35px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.main-menu > li {
    position: relative;
    margin: 0;
    padding: 0;
}

.main-menu > li > a {
    position: relative;
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 34px 0;
    color: var(--header-text);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    text-decoration: none;
    white-space: nowrap;
    transition:
        color var(--header-transition),
        opacity var(--header-transition);
}

.main-menu > li > a::before {
    content: "";
    position: absolute;
    right: 0;
    bottom: 25px;
    left: 0;
    height: 2px;
    background: var(--header-primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--header-transition);
}

.main-menu > li > a:hover,
.main-menu > li > a:focus-visible,
.main-menu > li.active > a {
    color: var(--header-primary);
}

.main-menu > li > a:hover::before,
.main-menu > li > a:focus-visible::before,
.main-menu > li.active > a::before {
    transform: scaleX(1);
}

/* Dropdown arrow */

.has-dropdown > a::after {
    content: "";
    width: 7px;
    height: 7px;
    margin-top: -4px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform var(--header-transition);
}

/* =========================================
   DESKTOP DROPDOWN
========================================= */

.dropdown-menu-custom {
    position: absolute;
    top: calc(100% - 8px);
    left: 0;
    z-index: 100;
    min-width: 230px;
    margin: 0;
    padding: 10px 0;
    list-style: none;
    background: var(--header-bg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(12px);
    transition:
        opacity var(--header-transition),
        visibility var(--header-transition),
        transform var(--header-transition);
}

.dropdown-menu-custom li {
    width: 100%;
    margin: 0;
    padding: 0;
}

.dropdown-menu-custom a {
    display: block;
    width: 100%;
    padding: 11px 20px;
    color: var(--header-text);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    text-decoration: none;
    white-space: nowrap;
    transition:
        color var(--header-transition),
        background var(--header-transition),
        padding-left var(--header-transition);
}

.dropdown-menu-custom a:hover,
.dropdown-menu-custom a:focus-visible {
    color: var(--header-primary);
    background: #f2f6fc;
    padding-left: 25px;
}

/* =========================================
   QUOTE BUTTON
========================================= */

.quote-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 24px;
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    background: var(--header-primary);
    border: 2px solid var(--header-primary);
    border-radius: 7px;
    transition:
        color var(--header-transition),
        background var(--header-transition),
        border-color var(--header-transition),
        transform var(--header-transition),
        box-shadow var(--header-transition);
}

.quote-btn:hover,
.quote-btn:focus-visible {
    color: #ffffff;
    background: var(--header-secondary);
    border-color: var(--header-secondary);
    box-shadow: 0 8px 20px rgba(94, 131, 42, 0.25);
    transform: translateY(-2px);
}

/* =========================================
   MOBILE MENU BUTTON
========================================= */

.mobile-menu-toggle {
    display: none;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin: 0;
    padding: 0;
    color: var(--header-text);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    background: transparent;
    border: 0;
    border-radius: 6px;
    transition:
        color var(--header-transition),
        background var(--header-transition);
}

.mobile-menu-toggle:hover,
.mobile-menu-toggle:focus-visible {
    color: var(--header-primary);
    background: #f2f6fc;
    outline: none;
}

/* Optional mobile overlay */

.menu-overlay {
    position: fixed;
    inset: var(--mobile-header-height) 0 0;
    z-index: 9997;
    background: rgba(17, 24, 39, 0.55);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity var(--header-transition),
        visibility var(--header-transition);
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

body.menu-open {
    overflow: hidden;
}

/* =========================================
   DESKTOP DROPDOWN INTERACTION
========================================= */

@media (min-width: 992px) {
    .has-dropdown:hover > .dropdown-menu-custom,
    .has-dropdown:focus-within > .dropdown-menu-custom {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .has-dropdown:hover > a::after,
    .has-dropdown:focus-within > a::after {
        transform: rotate(225deg);
    }
}

/* =========================================
   SMALL DESKTOP
========================================= */

@media (max-width: 1199px) {
    .custom-navbar {
        gap: 20px;
    }

    .main-menu {
        gap: 20px;
    }

    .main-menu > li > a {
        font-size: 14px;
    }

    .quote-btn {
        padding: 11px 18px;
        font-size: 14px;
    }
}

/* =========================================
   TABLET AND MOBILE HEADER
========================================= */

@media (max-width: 991px) {
    .custom-navbar {
        min-height: var(--mobile-header-height);
        gap: 15px;
    }

    .logo-area img {
        max-height: 50px;
    }

    .mobile-menu-toggle {
        display: inline-flex;
    }

    .main-navigation {
        position: fixed;
        top: var(--mobile-header-height);
        bottom: 0;
        left: 0;
        z-index: 9998;
        display: block;
        width: min(340px, 88vw);
        height: calc(100vh - var(--mobile-header-height));
        height: calc(100dvh - var(--mobile-header-height));
        margin: 0;
        padding: 18px 20px 30px;
        overflow-x: hidden;
        overflow-y: auto;
        overscroll-behavior: contain;
        background: var(--header-bg);
        box-shadow: 15px 10px 40px rgba(0, 0, 0, 0.15);
        opacity: 0;
        visibility: hidden;
        transform: translateX(-105%);
        transition:
            transform var(--header-transition),
            opacity var(--header-transition),
            visibility var(--header-transition);
    }

    .main-navigation.active {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }

    .main-menu {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .main-menu > li {
        width: 100%;
        border-bottom: 1px solid var(--header-border);
    }

    .main-menu > li > a {
        width: 100%;
        justify-content: space-between;
        padding: 15px 4px;
        font-size: 15px;
        white-space: normal;
    }

    .main-menu > li > a::before {
        display: none;
    }

    .has-dropdown > a::after {
        flex-shrink: 0;
        margin-right: 5px;
    }

    .has-dropdown.active > a {
        color: var(--header-primary);
    }

    .has-dropdown.active > a::after {
        transform: rotate(225deg);
    }

    .dropdown-menu-custom {
        position: static;
        display: none;
        width: 100%;
        min-width: 0;
        margin: 0;
        padding: 0 0 10px 14px;
        background: transparent;
        border: 0;
        border-radius: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
        transition: none;
    }

    .has-dropdown.active > .dropdown-menu-custom {
        display: block;
    }

    .dropdown-menu-custom li {
        border: 0;
    }

    .dropdown-menu-custom a {
        padding: 10px 14px;
        font-size: 14px;
        white-space: normal;
        border-left: 2px solid var(--header-border);
    }

    .dropdown-menu-custom a:hover,
    .dropdown-menu-custom a:focus-visible {
        padding-left: 18px;
        border-left-color: var(--header-primary);
    }

    .quote-btn {
        display: none;
    }
}

/* =========================================
   SMALL MOBILE
========================================= */

@media (max-width: 575px) {
    :root {
        --mobile-header-height: 72px;
    }

    .custom-navbar {
        min-height: var(--mobile-header-height);
    }

    .logo-area img {
        max-width: 180px;
        max-height: 46px;
    }

    .main-navigation {
        top: var(--mobile-header-height);
        width: 100%;
        height: calc(100vh - var(--mobile-header-height));
        height: calc(100dvh - var(--mobile-header-height));
        padding: 15px 18px 25px;
        box-shadow: none;
    }

    .menu-overlay {
        display: none;
    }

    .mobile-menu-toggle {
        width: 42px;
        height: 42px;
        font-size: 25px;
    }
}

/* =========================================
   VERY SMALL MOBILE
========================================= */

@media (max-width: 360px) {
    .logo-area img {
        max-width: 145px;
        max-height: 42px;
    }

    .custom-navbar {
        gap: 10px;
    }

    .main-navigation {
        padding-right: 15px;
        padding-left: 15px;
    }
}

/* =========================================
   ACCESSIBILITY
========================================= */

.site-header a:focus-visible,
.site-header button:focus-visible,
.mobile-menu-toggle:focus-visible {
    outline: 3px solid rgba(33, 79, 153, 0.3);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    .site-header *,
    .site-header *::before,
    .site-header *::after,
    .menu-overlay {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}