/* ==========================================================================
   HEADER & NAVIGATION - SWISS STYLE (ENHANCED)
   ========================================================================== */

:root {
    --swiss-red: #FF3B30;
    --swiss-black: #111111;
    --swiss-off-white: #F5F5F0;
    --nav-height: 80px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--swiss-off-white);
    border-bottom: 3px solid var(--swiss-black);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.navbar__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
    gap: var(--spacing-4);
    min-width: 0;
}

/* ==========================================================================
   LOGO - TYPOGRAPHIC
   ========================================================================== */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl, 1.25rem);
    font-weight: 800;
    color: var(--swiss-black);
    letter-spacing: -0.02em;
    text-transform: uppercase;
    flex-shrink: 0;
    transition: color 0.2s ease;
    min-width: 0;
    overflow: hidden;
}

.logo__text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.logo:hover {
    color: var(--swiss-red);
}

.logo:hover .logo__mark {
    color: var(--swiss-black);
}

.logo__mark {
    font-family: var(--font-mono, 'Courier New', monospace);
    font-size: 1rem;
    font-weight: 400;
    color: var(--swiss-red);
    transition: color 0.2s ease;
}

/* ==========================================================================
   NAV WRAPPER (Menu + Actions)
   ========================================================================== */
.nav-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-10);
    flex: 1;
    justify-content: flex-end;
}

@media (max-width: 1024px) {
    .nav-wrapper {
        display: none;
    }
    
    /* Show hamburger on tablets and below */
    .nav-toggle-label {
        display: flex !important;
    }
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
    list-style: none;
    margin: 0;
    padding: 0;
    min-width: 0;
}

/* ==========================================================================
   NAVIGATION LINKS
   ========================================================================== */
.nav-link {
    position: relative;
    font-family: var(--font-mono, 'Courier New', monospace);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--swiss-black);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--spacing-2) 0;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s ease;
}

/* The Swiss Underline - Sharp animation */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--swiss-red);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover,
.nav-link--active {
    color: var(--swiss-red);
}

.nav-link:hover::after,
.nav-link--active::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ==========================================================================
   SOCIAL LINKS
   ========================================================================== */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
    min-width: 0;
}

.social-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--swiss-black);
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.social-link svg {
    transition: transform 0.2s ease;
}

.social-link:hover {
    color: var(--swiss-red);
    border-color: var(--swiss-red);
}

.social-link:hover svg {
    transform: scale(1.1);
}

/* ==========================================================================
   CTA BUTTON - SWISS STYLE
   ========================================================================== */
.btn--swiss-nav {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    background-color: var(--swiss-black);
    color: var(--swiss-off-white);
    font-family: var(--font-mono, 'Courier New', monospace);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 2px solid var(--swiss-black);
    border-radius: 0;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn--swiss-nav:hover {
    background-color: var(--swiss-red);
    border-color: var(--swiss-red);
    color: white;
    transform: translateY(-2px);
    box-shadow: 4px 4px 0 var(--swiss-black);
}

.btn__arrow {
    font-size: 0.9em;
    transition: transform 0.2s ease;
}

.btn--swiss-nav:hover .btn__arrow {
    transform: translateX(4px);
}

/* ==========================================================================
   MOBILE NAVIGATION - BRUTALIST
   ========================================================================== */
.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
}

/* Mobile Menu Backdrop - Separate element behind menu */
.nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s;
    z-index: 9999;
    cursor: pointer;
}

.nav-toggle:checked ~ .nav-backdrop {
    display: block;
    opacity: 1;
    visibility: visible;
}

@media (max-width: 1024px) {
    .nav-backdrop {
        display: block;
    }
}

/* Touch-friendly tap targets */
@media (max-width: 1024px) {
    .nav-link,
    .mobile-social-link,
    .search-trigger,
    .btn--swiss-nav,
    .nav-toggle-label,
    .mobile-close-btn {
        -webkit-tap-highlight-color: transparent;
        tap-highlight-color: transparent;
        user-select: none;
        -webkit-user-select: none;
    }
}

/* Mobile Social Section - Hidden on desktop */
.mobile-logo-section,
.mobile-social-section {
    display: none;
}

@media (max-width: 1024px) {
    .nav-toggle-label {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 6px;
        width: 48px;
        height: 48px;
        cursor: pointer;
        padding: 12px;
        flex-shrink: 0;
        border: 3px solid var(--swiss-black);
        background-color: var(--swiss-off-white);
        z-index: 10001;
        position: relative;
        transition: all 0.3s ease;
        border-radius: 0;
        min-width: 48px;
    }

    /* Keep hamburger visible on top when menu opens */
    .nav-toggle:checked ~ .nav-toggle-label {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    .nav-toggle-label:hover {
        background-color: var(--swiss-black);
        transform: scale(1.05);
    }

    .nav-toggle-label:hover span {
        background-color: var(--swiss-red);
    }

    .nav-toggle-label span {
        display: block;
        width: 100%;
        height: 3px;
        background-color: var(--swiss-black);
        border-radius: 0;
        transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }

    .logo {
        display: flex;
    }

    .nav-wrapper {
        position: fixed;
        top: 0;
        right: 0;
        width: 320px;
        height: 100vh;
        display: flex;
        flex-direction: column;
        background-color: var(--swiss-off-white);
        transform: translateX(100%);
        visibility: hidden;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s;
        overflow-y: auto;
        overflow-x: hidden;
        z-index: 10000;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    }

    /* Mobile Logo Section */
    .mobile-logo-section {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 1rem var(--container-padding);
        border-bottom: 2px solid var(--swiss-black);
        background-color: var(--swiss-off-white);
        flex-shrink: 0;
    }

    /* Mobile Social Section - Show on mobile */
    .mobile-social-section {
        display: flex;
        flex-direction: column;
        width: 100%;
        padding: 1.25rem var(--container-padding);
        border-top: 2px solid var(--swiss-black);
        background-color: var(--swiss-off-white);
        margin-top: auto;
        flex-shrink: 0;
    }

    .mobile-social-label {
        font-family: var(--font-mono, 'Courier New', monospace);
        font-size: 0.6875rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        color: var(--swiss-black);
        margin-bottom: 0.75rem;
        opacity: 0.6;
    }

    /* Close button in mobile menu header */
    .mobile-close-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        cursor: pointer;
        border: 2px solid var(--swiss-black);
        background-color: transparent;
        transition: all 0.2s ease;
        border-radius: 4px;
        color: var(--swiss-black);
        flex-shrink: 0;
    }

    .mobile-close-btn:hover {
        background-color: var(--swiss-black);
        color: var(--swiss-red);
    }

.mobile-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--swiss-black);
    text-decoration: none;
    min-width: 0;
    overflow: hidden;
}

.mobile-logo__text {
    text-transform: uppercase;
    letter-spacing: -0.02em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mobile-logo__mark {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--swiss-red);
    flex-shrink: 0;
}
    
    .nav-menu {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 0;
        padding: 0;
        flex-shrink: 0;
    }

    .nav-menu li {
        width: 100%;
    }
    
.nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem var(--container-padding);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
    position: relative;
    background-color: transparent;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: var(--font-mono, 'Courier New', monospace);
    text-transform: uppercase;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background-color: var(--swiss-red);
    transition: width 0.2s ease;
    z-index: 0;
}

.nav-link::after {
    display: none;
}

.nav-link:hover,
.nav-link--active {
    background-color: var(--swiss-black);
    color: var(--swiss-off-white);
    padding-left: calc(var(--container-padding) + 6px);
}

.nav-link:hover::before,
.nav-link--active::before {
    width: 4px;
}
    
    /* Mobile Actions */
    .nav-actions {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        padding: 1rem var(--container-padding);
        gap: 0.75rem;
        border-top: 2px solid var(--swiss-black);
        flex-shrink: 0;
    }

    .nav-actions .search-trigger {
        display: flex;
        width: 100%;
        padding: 0.875rem;
        justify-content: center;
        align-items: center;
        border: 2px solid var(--swiss-black);
        font-size: 0.875rem;
        background-color: #fff;
        gap: 0.5rem;
    }

    .nav-actions .search-trigger:hover {
        background-color: var(--swiss-black);
        color: var(--swiss-off-white);
        border-color: var(--swiss-black);
    }

    .nav-actions .search-trigger svg {
        flex-shrink: 0;
    }

    .nav-actions .search-trigger__text {
        display: inline;
    }

    .nav-actions .search-trigger__kbd {
        display: none;
    }

    .social-links {
        display: none;
    }

    .btn--swiss-nav {
        display: none;
    }
 
    /* Mobile Social Links - Compact Icons */
    .mobile-social-links {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: 0.75rem;
        width: 100%;
    }

    .mobile-social-link {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        padding: 0;
        background-color: transparent;
        border: 2px solid var(--swiss-black);
        color: var(--swiss-black);
        transition: all 0.2s ease;
        cursor: pointer;
        border-radius: 4px;
    }

    .mobile-social-link span {
        display: none;
    }

    .mobile-social-link:hover {
        background-color: var(--swiss-black);
        color: var(--swiss-red);
        transform: translateY(-2px);
        border-color: var(--swiss-black);
    }

    .mobile-social-link svg {
        flex-shrink: 0;
    }


    
    /* Show nav wrapper when checked */
    .nav-toggle:checked ~ .nav-wrapper {
        transform: translateX(0);
        visibility: visible;
    }
}

/* Small Mobile Adjustments */
@media (max-width: 480px) {
    .nav-toggle-label {
        width: 44px;
        height: 44px;
    }

    .mobile-close-btn {
        width: 36px;
        height: 36px;
    }

    .mobile-logo-section {
        padding: 0.875rem var(--container-padding);
    }

    .mobile-logo {
        font-size: 1rem;
    }

    .nav-link {
        padding: 0.875rem var(--container-padding);
        font-size: 0.875rem;
    }

    .nav-actions {
        padding: 0.875rem var(--container-padding);
        gap: 0.625rem;
    }

    .nav-actions .search-trigger {
        padding: 0.75rem;
        font-size: 0.8125rem;
    }

    .mobile-social-section {
        padding: 1rem var(--container-padding);
    }

    .mobile-social-links {
        gap: 0.625rem;
    }

    .mobile-social-link {
        width: 36px;
        height: 36px;
    }

    .nav-wrapper {
        width: 100%;
    }
}