/* Header Container & Layout */
.site-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    padding: 48px 0 2rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 5rem);
}

/* Logo */
.header-logo { flex-shrink: 0; order: 1; }
.header-logo img { max-height: 72px; width: auto; display: block; }
.logo-link { display: block; line-height: 0; }

/* Navigation */
.header-nav { display: flex; order: 2; margin-left: auto; margin-right: 120px; }
.nav-menu { display: flex; list-style: none; margin: 0; padding: 0; gap: 60px; align-items: center; }
.nav-menu a {
    font-family: 'Reddit Sans', sans-serif;
    font-weight: 300;
    font-style: normal;
    font-size: 16px;
    line-height: 24px;
    letter-spacing: 0.02em;
    color: rgba(244, 244, 244, 1);
    text-decoration: none;
    transition: all 300ms ease-out;
    position: relative;
    padding-bottom: 4px;
    text-transform: uppercase;
}
.nav-menu a:hover, .nav-menu a:focus { font-weight: 600; }
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 100%;
    height: 2px;
    background: rgba(244, 244, 244, 1);
    transform: translateX(-50%) scaleX(0);
    transform-origin: center;
    transition: transform 300ms ease-out;
}
.nav-menu a:hover::after,
.nav-menu a:focus::after {
    transform: translateX(-50%) scaleX(1);
}
.nav-menu .current-menu-item a, .nav-menu .current_page_item a { font-weight: 600; }
.nav-menu .current-menu-item a::after, .nav-menu .current_page_item a::after { width: 100%; left: 0; transform: translateX(0); }

/* CTA */
.header-cta { flex-shrink: 0; order: 3; }

/* Mobile Toggle */
.mobile-menu-toggle { display: none; flex-direction: column; justify-content: center; gap: 6px; background: transparent; border: none; cursor: pointer; padding: 10px; order: 4; position: relative; width: 50px; height: 50px; }
.hamburger-line { width: 30px; height: 2px; background: rgba(244, 244, 244, 1); transition: all 300ms ease-out; transform-origin: center; }

/* Large Desktop Optimization */
@media (min-width: 1920px) {
    .header-container {
        max-width: 1800px;
    }
}

@media (min-width: 2560px) {
    .header-container {
        max-width: 2200px;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .site-header {
        z-index: 1001;
        position: absolute;
    }
    .header-container { 
        padding: 0 clamp(20px, 4vw, 2rem); 
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        gap: 16px;
    }
    .header-logo { order: 1; }
    .header-cta { order: 2; display: flex; justify-content: center; margin: 0; }
    .mobile-menu-toggle { display: flex; order: 3; z-index: 1002; position: relative; }
    .header-nav { position: fixed; top: 0; left: 0; right: 0; bottom: 0; width: 100%; height: 100vh; background: rgba(20, 20, 20, 0.98); backdrop-filter: blur(10px); padding: 120px 40px 60px; margin: 0; transform: translateX(-100%); transition: transform 300ms ease-out; overflow-y: auto; z-index: 999; display: flex; align-items: center; justify-content: center; }
    .header-nav.active { transform: translateX(0); }
    .nav-menu { flex-direction: column; gap: 48px; align-items: center; width: 100%; }
    .nav-menu li { width: 100%; text-align: center; }
    .nav-menu a { display: block; padding: 16px 0; font-size: 32px; font-family: 'Aboreto', serif; font-weight: 400; text-align: center; }
    .mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) { opacity: 0; }
    .mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

@media (max-width: 480px) {
    .header-logo img { max-height: 56px; }
    .header-container { padding: 0 24px; }
    .header-nav { padding: 100px 24px 60px; }
    .nav-menu { gap: 40px; }
    .nav-menu a { font-size: 28px; padding: 12px 0; }
}