/* ============================================
   LED Союз — Layout
   Header, Footer, Sections
   ============================================ */

/* в”Ђв”Ђ Header в”Ђв”Ђ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: var(--z-header);
    transition: all var(--transition-base);
    /* Glassmorphism nav */
    background: var(--glass-bg-heavy);
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    border-bottom: var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.header.scrolled {
    /* Same as default now */
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-wide);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    z-index: 10;
}

.header__logo img {
    height: 56px;
    width: auto;
    background: transparent !important;
    border-radius: 0 !important;
    transition: filter var(--transition-base);
}

.header__logo:hover img {
    filter: drop-shadow(0 0 12px rgba(0, 191, 255, 0.4));
}

.header__logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: var(--fw-bold);
    color: var(--text-primary);
}

/* Nav */
.header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-link {
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    position: relative;
    padding: var(--space-xs) var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: var(--font-display);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-brand);
    border-radius: var(--radius-pill);
    transition: width var(--transition-base);
    box-shadow: var(--glow-neon);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    text-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Mobile menu */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
    z-index: 10;
}

.mobile-toggle span {
    display: block;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-pill);
    transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(5, 5, 10, 0.75);
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    z-index: var(--z-overlay);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    border-right: none;
    overflow-y: auto;
    padding-block: var(--space-2xl);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu .nav-link {
    font-size: var(--fs-h3);
    color: var(--text-primary);
}

@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }

    .header__nav .btn {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }
}

/* в”Ђв”Ђ Footer в”Ђв”Ђ */
.footer {
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: var(--glass-border);
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-xl);
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer__brand {
    max-width: 320px;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.footer__logo img {
    height: 36px;
    width: auto;
    background: transparent !important;
    border-radius: 0 !important;
}

.footer__description {
    font-size: var(--fs-small);
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
}

.footer__heading {
    font-size: var(--fs-body);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__link {
    font-size: var(--fs-small);
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-blue);
}

.footer__bottom {
    border-top: var(--border-subtle);
    padding-top: var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer__legal {
    font-size: var(--fs-xs);
    color: var(--text-muted);
}

.footer__legal a {
    color: var(--text-muted);
}

.footer__legal a:hover {
    color: var(--color-blue);
}

/* Footer reveal contacts */
.footer__reveal-contact {
    transition: opacity var(--transition-fast);
}

.footer__reveal-contact:hover {
    opacity: 0.85;
}

/* Footer map tiles */
.footer__map-link {
    display: inline-flex;
    opacity: 0.7;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.footer__map-link:hover {
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 191, 255, 0.2);
}

.footer__map-link img {
    display: block;
    object-fit: contain;
}

@media (max-width: 1024px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .footer__grid {
        grid-template-columns: 1fr;
    }

    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* в”Ђв”Ђ Main content offset for fixed header в”Ђв”Ђ */
main {
    padding-top: var(--header-height);
}
/* ── CTA Section (shared across pages) ── */
.cta-section {
    background: var(--gradient-brand);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.cta-section__inner {
    position: relative;
    z-index: 1;
}

.cta-section__title {
    font-size: var(--fs-h2);
    color: var(--bg-primary);
    margin-bottom: var(--space-md);
}

.cta-section__text {
    font-size: var(--fs-body-lg);
    color: rgba(10, 14, 23, 0.7);
    margin-bottom: var(--space-xl);
    max-width: 500px;
    margin-inline: auto;
}

.cta-section .btn--secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: transparent;
}

.cta-section .btn--secondary:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}