/* ============================================
   Header & Navigation
   ============================================ */

.header {
    width: 100%;
    padding-top: var(--spacing-xl);
}

/* Desktop: 3-column grid — logo | nav (centered) | CTA */
.header-container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
}

.logo img {
    height: 56px;
    width: auto;
}

/* Desktop nav — centered in the middle column */
.nav {
    justify-self: center;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: 8px;
    box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.05);
}

.nav-link {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 5px;
    font-size: 16px;
    letter-spacing: -0.32px;
    transition: background-color 0.2s ease;
}

.nav-link:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

/* Desktop CTA button in header */
.header-cta {
    justify-self: end;
}

/* Mobile-only elements hidden on desktop */
.hamburger-menu {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    z-index: 1001;
}

.hamburger-menu span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--color-primary, #f15000);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease;
}

.header-mobile-nav {
    display: none;
}

.header-mobile-top {
    display: none;
}

.close-menu {
    display: none;
}

/* ============================================
   Mobile Sidebar (max-width: 1000px)
   ============================================ */
@media (max-width: 1000px) {
    /* Switch to flex for mobile header */
    .header-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    /* Hide desktop nav & CTA on mobile */
    .nav,
    .header-cta {
        display: none;
    }

    /* Show hamburger */
    .hamburger-menu {
        display: flex;
    }

    .header.menu-open .hamburger-menu {
        display: none;
    }

    /* Show mobile nav elements */
    .header-mobile-nav {
        display: flex;
    }

    .header-mobile-top {
        display: flex;
    }

    .close-menu {
        display: flex;
    }

    /* Overlay backdrop */
    .header::after {
        content: '';
        position: fixed;
        inset: 0;
        background-color: rgba(0, 0, 0, 0);
        pointer-events: none;
        transition: background-color 0.4s ease;
        z-index: 999;
    }

    .header.menu-open::after {
        background-color: rgba(0, 0, 0, 0.5);
        pointer-events: auto;
    }

    /* Mobile nav panel */
    .header-mobile-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-white, #ffffff);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 24px;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0);
        z-index: 1000;
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition:
            transform 0.45s cubic-bezier(0.4, 0, 0.2, 1),
            opacity 0.35s ease,
            visibility 0s linear 0.45s,
            box-shadow 0.45s ease;
    }

    .header.menu-open .header-mobile-nav {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.15);
        transition:
            transform 0.45s cubic-bezier(0.4, 0, 0.2, 1),
            opacity 0.3s ease,
            visibility 0s linear 0s,
            box-shadow 0.45s ease;
    }

    /* Staggered children animations */
    .header-mobile-nav .header-mobile-top,
    .header-mobile-nav .nav-link,
    .header-mobile-nav .btn {
        opacity: 0;
        transform: translateX(30px);
        transition: opacity 0.35s ease, transform 0.35s ease;
    }

    .header.menu-open .header-mobile-nav .header-mobile-top {
        opacity: 1;
        transform: translateX(0);
        transition-delay: 0.15s;
    }

    .header.menu-open .header-mobile-nav .nav-link:nth-child(1) {
        opacity: 1;
        transform: translateX(0);
        transition-delay: 0.22s;
    }

    .header.menu-open .header-mobile-nav .nav-link:nth-child(2) {
        opacity: 1;
        transform: translateX(0);
        transition-delay: 0.29s;
    }

    .header.menu-open .header-mobile-nav .nav-link:nth-child(3) {
        opacity: 1;
        transform: translateX(0);
        transition-delay: 0.36s;
    }

    .header.menu-open .header-mobile-nav .btn {
        opacity: 1;
        transform: translateX(0);
        transition-delay: 0.43s;
    }

    /* Close button spin-in */
    .close-menu {
        transform: rotate(-90deg);
        opacity: 0;
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease !important;
    }

    .header.menu-open .close-menu {
        transform: rotate(0deg);
        opacity: 1;
        transition-delay: 0.2s !important;
    }

    /* Mobile top bar inside panel */
    .header-mobile-top {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        margin-bottom: var(--spacing-lg);
    }

    .header-mobile-top .logo img {
        height: 40px;
    }

    .close-menu {
        display: flex;
        flex-direction: column;
        gap: 6px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 8px;
        z-index: 1001;
    }

    .close-menu span {
        display: block;
        width: 28px;
        height: 3px;
        background-color: var(--color-primary, #f15000);
        border-radius: 2px;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .close-menu span:nth-child(1) {
        transform: translateY(4.5px) rotate(45deg);
    }

    .close-menu span:nth-child(2) {
        transform: translateY(-4.5px) rotate(-45deg);
    }

    /* Mobile navigation links */
    .nav-mobile {
        display: flex;
        flex-direction: column;
        width: 100%;
        padding: 0;
        align-items: flex-start;
        margin-bottom: var(--spacing-xl);
    }

    .header-mobile-nav .nav-link {
        font-size: 20px;
        padding: 16px 0;
        width: 100%;
        text-align: left;
        border-bottom: 1px solid #f0f0f0;
        border-radius: 0;
    }

    .header-mobile-nav .nav-link:hover {
        background-color: #fafafa;
    }

    .header-mobile-nav .btn {
        width: 100%;
        text-align: left;
    }
}