/* ============================================
   HEADER — "Corporate Cool" Design 2b
   Two-column: Logo | Utility row + Nav row
   Transparent → Solid on scroll
   ============================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    transition: all 0.4s ease;
}

.site-header.header--solid {
    background-color: #FFFFFF;
    box-shadow: 0 4px 24px rgba(11, 35, 65, 0.10);
    border-bottom: none;
}

/* --- Main Grid: Logo | Right Block --- */
.header-main {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: stretch;
    transition: all 0.4s ease;
}

/* --- Logo Column --- */
.header-logo {
    display: flex;
    align-items: center;
    padding-right: 32px;
}

.header-logo img {
    height: 52px;
    transition: all 0.4s ease;
    filter: brightness(0) invert(1);
    /* white on transparent/dark hero */
}

.site-header.header--solid .header-logo img {
    height: 44px;
    filter: none;
    /* normal logo on white background */
}

/* --- Solid (scrolled) state — single 68px row: Logo | Nav | Inquiry --- */
.site-header.header--solid .header-main {
    height: 68px;
    align-items: center;
}

.site-header.header--solid .header-right-block {
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    height: 68px;
    gap: 24px;
}

/* --- Right Column: 2 rows --- */
.header-right-block {
    display: flex;
    flex-direction: column;
}

/* --- Top Row: CTA + phone + social --- */
.header-top-row {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 20px;
    padding: 8px 0 8px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.4s ease;
    overflow: hidden;
}

/* Solid-state top row — collapses; only the Inquiry CTA stays visible.
   order: 2 places it AFTER the nav row so the layout reads
   Logo | Nav | Inquiry. */
.site-header.header--solid .header-top-row {
    height: auto;
    padding: 0;
    opacity: 1;
    border-bottom: none;
    pointer-events: auto;
    flex: 0 0 auto;
    gap: 0;
    order: 2;
}

.site-header.header--solid .header-nav-row {
    order: 1;
}

/* Hide phone, social, and the secondary "Get a Quote" CTA in solid state */
.site-header.header--solid .header-phone,
.site-header.header--solid .header-social,
.site-header.header--solid .header-cta-group .btn--primary {
    display: none;
}

/* The remaining "Inquiry" button becomes the primary CTA in the bar */
.site-header.header--solid .header-cta-group {
    gap: 0;
    margin-left: 8px;
}

.site-header.header--solid .header-cta-group .btn--outline {
    background-color: var(--color-accent-blue);
    color: #FFFFFF;
    border-color: var(--color-accent-blue);
    padding: 10px 24px;
    font-size: 0.78rem;
}

.site-header.header--solid .header-cta-group .btn--outline:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #FFFFFF;
    transform: translateY(-1px);
}

/* --- Phone --- */
.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.92);
    letter-spacing: 0.02em;
}

.header-phone i {
    font-size: 0.85rem;
    transform: scaleX(-1);
}

.header-phone:hover {
    color: var(--color-accent-gold);
}

/* --- Social --- */
.header-social {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-social a {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    color: #FFFFFF;
    font-size: 0.75rem;
    transition: all var(--transition-base);
}

.header-social a:hover {
    background-color: var(--color-accent-teal);
    border-color: var(--color-accent-teal);
    color: #FFFFFF;
}

/* --- CTA Buttons --- */
.header-cta-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-cta-group .btn {
    padding: 7px 20px;
    font-size: 0.75rem;
}

/* Transparent-state button overrides */
.site-header:not(.header--solid) .header-cta-group .btn--primary {
    background-color: var(--color-accent-gold);
    border-color: var(--color-accent-gold);
    color: var(--color-primary-dark);
}

.site-header:not(.header--solid) .header-cta-group .btn--primary:hover {
    background-color: var(--color-accent-gold-dark);
    border-color: var(--color-accent-gold-dark);
}

.site-header:not(.header--solid) .header-cta-group .btn--outline {
    border-color: rgba(255, 255, 255, 0.5);
    color: #FFFFFF;
    background-color: transparent;
}

.site-header:not(.header--solid) .header-cta-group .btn--outline:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.7);
}

/* --- Bottom Row: Navigation --- */
.header-nav-row {
    display: flex;
    align-items: center;
    padding: 0 0 0 24px;
    flex: 1;
}

.header-nav__list {
    display: flex;
    align-items: center;
    gap: 0;
    height: 100%;
}

.header-nav__list>li {
    height: 100%;
    display: flex;
    align-items: center;
}

.header-nav__list>li>a {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 4px 16px 0;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    transition: color var(--transition-base);
}

.site-header.header--solid .header-nav-row {
    padding: 0;
    flex: 1 1 auto;
    height: 68px;
    align-items: center;
    justify-content: flex-end;
}

.site-header.header--solid .header-nav__list {
    align-items: center;
    height: 68px;
    gap: 4px;
}

.site-header.header--solid .header-nav__list>li {
    height: 68px;
    align-items: center;
}

.site-header.header--solid .header-nav__list>li>a {
    color: var(--color-primary-dark);
    padding: 0 16px 8px;
    /* small bottom padding → underline sits close to text */
    height: 68px;
    align-items: flex-end;
    /* text drops to the bottom of the 68px row */
}

/* Pull the underline up so it hugs the text baseline */
.site-header.header--solid .header-nav__list>li>a::after {
    bottom: 4px;
}

.header-nav__list>li>a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 16px;
    right: 16px;
    height: 2px;
    background-color: var(--color-accent-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.header-nav__list>li>a:hover,
.header-nav__list>li>a.active {
    color: #FFFFFF;
}

.site-header.header--solid .header-nav__list>li>a:hover,
.site-header.header--solid .header-nav__list>li>a.active {
    color: var(--color-accent-blue);
}

.header-nav__list>li>a:hover::after,
.header-nav__list>li>a.active::after {
    transform: scaleX(1);
}

/* --- Dropdown — clean white, corporate navy/blue accent --- */
.has-mega-menu {
    position: relative;
}

.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-primary-dark);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .2s, transform .2s, visibility .2s;
    box-shadow: 0 16px 40px rgba(11, 35, 65, .12);
    z-index: 1000;
}

.has-mega-menu:hover .mega-menu,
.has-mega-menu.mega-menu--active .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu__item {
    display: block;
    padding: 12px 24px;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary-dark);
    border-left: 3px solid transparent;
    transition: color .2s, background-color .2s, border-left-color .2s;
}

.mega-menu__item:hover {
    color: var(--color-accent-blue);
    background-color: #EFF6FF;
    border-left-color: var(--color-accent-blue);
}

/* --- Hamburger --- */
.header-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    gap: 5px;
    z-index: 1100;
    position: relative;
    cursor: pointer;
    background: none;
    border: none;
    margin-left: auto;
}

.header-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #FFFFFF;
    transition: all var(--transition-base);
    transform-origin: center;
}

.site-header.header--solid .header-hamburger span {
    background-color: var(--color-primary-dark);
}

.header-hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header-hamburger.active span:nth-child(2) {
    opacity: 0;
}

.header-hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Off-Canvas Mobile Menu --- */
.offcanvas-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1050;
    pointer-events: none;
}

.offcanvas-menu--open {
    pointer-events: all;
}

.offcanvas-menu__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 35, 65, 0.6);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.offcanvas-menu--open .offcanvas-menu__overlay {
    opacity: 1;
}


.offcanvas-menu__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-primary-dark);
    font-size: 1.5rem;
    transition: all var(--transition-base);
    z-index: 1101;
}

.offcanvas-menu__close:hover {
    color: var(--color-accent-blue);
    transform: rotate(90deg);
}

.offcanvas-menu__panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 380px;
    max-width: 90vw;
    height: 100%;
    background-color: #FFFFFF;
    box-shadow: -10px 0 40px rgba(11, 35, 65, 0.15);
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
    overflow-y: auto;
    padding: 44px 32px 32px 32px;
}

.offcanvas-menu--open .offcanvas-menu__panel {
    transform: translateX(0);
}

.offcanvas-menu__list {
    display: flex;
    flex-direction: column;
}

.offcanvas-menu__item {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.offcanvas-menu--open .offcanvas-menu__item {
    opacity: 1;
    transform: translateX(0);
}

.offcanvas-menu__item a {
    display: block;
    padding: 14px 0;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    color: var(--color-primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--color-border);
    transition: color var(--transition-base);
}

.offcanvas-menu__item a:hover {
    color: var(--color-accent-blue);
}

.offcanvas-submenu-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    color: var(--color-primary-dark);
    padding: 14px 0;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--color-border);
    background: none;
    border-left: none;
    border-right: none;
    border-top: none;
    cursor: pointer;
}

.offcanvas-submenu-toggle i {
    font-size: 0.7rem;
    color: var(--color-accent-blue);
    transition: transform var(--transition-base);
}

.offcanvas-submenu-toggle.active i {
    transform: rotate(180deg);
}

.offcanvas-submenu {
    display: none;
    padding-left: 16px;
}

.offcanvas-submenu.open {
    display: block;
}

.offcanvas-submenu a {
    padding: 10px 0;
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-text-light);
    text-transform: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.offcanvas-submenu a:hover {
    color: var(--color-accent-blue);
}

.offcanvas-menu__contact {
    padding-top: 24px;
}

.offcanvas-menu__contact a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.offcanvas-menu__contact a i {
    color: var(--color-accent-blue);
    width: 18px;
    text-align: center;
}

.offcanvas-menu__contact a i.fa-phone-alt {
    transform: scaleX(-1);
}

.offcanvas-menu__contact a:hover {
    color: var(--color-accent-blue);
}

.offcanvas-menu__social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.offcanvas-menu__social a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-accent-blue);
    border-radius: var(--radius-sm);
    color: var(--color-accent-blue);
    font-size: 0.85rem;
    transition: all var(--transition-base);
}

.offcanvas-menu__social a:hover {
    background-color: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
    color: #FFFFFF;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
    .header-nav__list>li>a {
        padding: 0 12px;
        font-size: 0.78rem;
    }

    .header-logo {
        padding-right: 20px;
    }

    .header-top-row {
        padding-left: 20px;
    }

    .header-nav-row {
        padding-left: 20px;
    }

    .mega-menu {
        width: 580px;
    }
}

@media (max-width: 991px) {
    .header-main {
        display: flex;
        align-items: center;
        height: 68px;
    }

    .header-logo {
        padding-right: 0;
    }

    .header-logo img {
        height: 40px;
        filter: none;
    }

    .header-right-block {
        display: none;
    }

    .header-hamburger {
        display: flex;
    }

    .header-hamburger span {
        background-color: var(--color-primary-dark);
    }

    .mega-menu {
        display: none;
    }

    /* Always solid on mobile */
    .site-header {
        background-color: #FFFFFF;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    }
}