/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: padding 0.3s ease, box-shadow 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    transition: padding 0.3s ease;
}

.header.scrolled .header-content {
    padding: 0.4rem 1rem;
}

.header .logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.header .logo img {
    transition: height 0.3s ease;
}

.header.scrolled .logo img {
    height: 50px !important;
}

/* Offset for fixed header on non-hero pages */
.section.header-offset {
    padding-top: calc(5rem + 90px);
}

.logo-title {
    font-size: 1.5rem;
    color: var(--primary);
    margin: 0;
    padding: 0;
    line-height: 0;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.header-actions .btn {
    white-space: nowrap;
}

.phone-link {
    display: none;
    align-items: center;
    gap: 0.5rem;
    color: var(--foreground);
    text-decoration: none;
    font-size: 0.875rem;
    white-space: nowrap;
    transition: color 0.3s;
}

.phone-link:hover {
    color: var(--primary);
}

/* ─── Mobile-first Nav ───────────────────────────────────────────────────── */

/* Primary Nav — collapsed dropdown by default (mobile + tablet) */
.primary-nav {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 1.5rem;
}

.primary-nav.nav-open {
    max-height: 400px;
    padding: 1rem 1.5rem;
}

.primary-nav .nav-menu,
.primary-nav .nav-menu ul {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    list-style: none !important;
    margin: 0;
    padding: 0;
    width: 100%;
}

.primary-nav .nav-menu li {
    list-style: none !important;
    position: relative;
}

.primary-nav .nav-menu li a {
    display: block;
    padding: 0.85rem 0.25rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--foreground) !important;
    text-decoration: none !important;
    border-bottom: 1px solid var(--border);
    transition: color 0.2s ease;
    white-space: nowrap;
}

.primary-nav .nav-menu li:last-child a {
    border-bottom: none;
}

.primary-nav .nav-menu li a:hover {
    color: var(--primary) !important;
}

/* Hamburger button — visible on mobile/tablet */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
    margin-left: 0.5rem;
}

.menu-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--foreground);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

/* Animated X when open */
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) {
    opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Desktop Nav (1024px+) — inline, hide hamburger */
@media (min-width: 1024px) {
    .primary-nav {
        display: flex;
        align-items: center;
        position: static;
        max-height: none;
        overflow: visible;
        background: none;
        backdrop-filter: none;
        border-top: none;
        box-shadow: none;
        padding: 0;
        transition: none;
    }

    .primary-nav.nav-open {
        max-height: none;
        padding: 0;
    }

    .primary-nav .nav-menu,
    .primary-nav .nav-menu ul {
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
        width: auto;
    }

    .primary-nav .nav-menu li a {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
        border-bottom: none;
        position: relative;
        white-space: nowrap;
    }

    /* Animated underline on hover */
    .primary-nav .nav-menu li a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 1rem;
        right: 1rem;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
        transform: scaleX(0);
        transition: transform 0.25s ease;
    }

    .primary-nav .nav-menu li a:hover::after,
    .primary-nav .nav-menu li.current-menu-item > a::after,
    .primary-nav .nav-menu li.current-page-ancestor > a::after,
    .primary-nav .nav-menu li.scroll-active > a::after {
        transform: scaleX(1);
    }

    .primary-nav .nav-menu li.current-menu-item > a,
    .primary-nav .nav-menu li.current-page-ancestor > a,
    .primary-nav .nav-menu li.scroll-active > a {
        color: var(--primary) !important;
    }

    .menu-toggle {
        display: none;
    }
}

/* Mobile/tablet logo — override inline height: 80px */
@media (max-width: 1023px) {
    .header .logo img {
        height: 44px !important;
    }
}

/* Small mobile (≤480px) — tighten further */
@media (max-width: 480px) {
    .header .logo img {
        height: 36px !important;
    }

    .header-actions {
        gap: 0.25rem;
    }

    .header-actions .btn {
        font-size: 0.75rem;
        padding: 0.4rem 0.75rem;
    }
}