/* ==========================================================================
   MateiaTech Custom Industrial Theme CSS
   ========================================================================== */

/* --- Header & Navigation --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(11, 12, 16, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.site-logo a {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-bold {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--color-white);
}

.logo-accent {
    color: var(--color-accent);
}

.logo-subtext {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* Nav Menu */
.nav-list {
    display: flex;
    gap: 32px;
}

.nav-list a {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    padding: 8px 0;
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-normal);
}

.nav-list a:hover {
    color: var(--color-white);
}

.nav-list a:hover::after,
.nav-list .current-menu-item > a::after {
    width: 100%;
}

.nav-list .current-menu-item > a {
    color: var(--color-white);
}

/* Header CTAs */
.header-ctas {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-trigger {
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.search-trigger:hover {
    color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.05);
}

.header-quote-btn {
    padding: 10px 20px;
    font-size: 0.85rem;
}

/* Mobile Toggle */
.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-nav-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition-normal);
}

/* --- Mobile Nav Drawer --- */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100vh;
    background-color: var(--color-bg-secondary);
    z-index: 200;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.mobile-nav-drawer.active {
    right: 0;
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
}

.drawer-close {
    font-size: 2rem;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.drawer-close:hover {
    color: var(--color-accent);
}

.drawer-content {
    flex: 1;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-nav-list a {
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
}

.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 150;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.drawer-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* --- Search Overlay --- */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(11, 12, 16, 0.95);
    backdrop-filter: blur(8px);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.search-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.search-close {
    position: absolute;
    top: 40px;
    right: 40px;
    font-size: 3rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    background: none;
    border: none;
}

.search-close:hover {
    color: var(--color-accent);
}

.search-form-container {
    width: 100%;
    max-width: 600px;
    padding: 24px;
}

.search-form {
    position: relative;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 12px;
}

.search-field {
    width: 100%;
    font-size: 1.5rem;
    padding-right: 40px;
    color: var(--color-white);
}

.search-submit {
    position: absolute;
    right: 0;
    top: 0;
    cursor: pointer;
    color: var(--color-text-secondary);
}

.search-submit:hover {
    color: var(--color-accent);
}

/* --- Footer Styling --- */
.site-footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 48px;
    margin-bottom: 60px;
}

.brand-col .brand-desc {
    color: var(--color-text-secondary);
    margin: 20px 0 24px;
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-certs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.cert-badge {
    padding: 6px 12px;
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-primary);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-accent);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.contact-info-list li {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.contact-info-list svg {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-bottom {
    background-color: var(--color-bg-primary);
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.copyright {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.footer-bottom-links a:hover {
    color: var(--color-accent);
}

/* --- B2B Inquiry Modal & Forms --- */
.inquiry-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(11, 12, 16, 0.85);
    backdrop-filter: blur(8px);
    z-index: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.inquiry-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.inquiry-modal-box {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--color-accent);
    width: 100%;
    max-width: 650px;
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: translateY(20px);
    transition: var(--transition-normal);
}

.inquiry-modal-overlay.active .inquiry-modal-box {
    transform: translateY(0);
}

.inquiry-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.inquiry-modal-close:hover {
    color: var(--color-accent);
}

.inquiry-modal-header {
    margin-bottom: 28px;
}

.inquiry-modal-header h3 {
    font-size: 1.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    color: var(--color-white);
}

.inquiry-modal-header p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* Forms styling */
.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.form-group label .required {
    color: var(--color-accent);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 10px rgba(255, 107, 0, 0.2);
}

.btn-full-width {
    width: 100%;
}

.form-response-msg {
    margin-top: 16px;
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    display: none;
    text-align: center;
}

.form-response-msg.info {
    display: block;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.form-response-msg.success {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.form-response-msg.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

/* --- Back to Top Button --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 90;
    width: 44px;
    height: 44px;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.back-to-top.active {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    color: var(--color-white);
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}

/* --- Scroll Animations --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* --- Media Queries --- */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .main-navigation,
    .header-quote-btn {
        display: none;
    }
    
    .mobile-nav-toggle {
        display: flex;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .brand-col .brand-desc {
        max-width: 100%;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        text-align: center;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .inquiry-modal-box {
        padding: 30px 20px;
        margin: 15px;
    }
}