body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #000;
    color: #f5f5f7;
    padding-top: 48px; 
}

.nav-glass {
    background-color: rgba(29, 29, 31, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
}

.nav-link {
    transition: opacity 0.3s ease;
}
.nav-link:hover {
    opacity: 1;
}

.mobile-menu {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: translateY(-100%);
    z-index: 100;
}
.mobile-menu.is-open {
    transform: translateY(0);
}

#dropdown-container {
    top: 48px; 
    z-index: 40; 
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    overflow: hidden;
}
#dropdown-container.is-open {
    opacity: 1;
    visibility: visible;
}

.dropdown-link {
    display: block;
    padding: 4px 0;
    text-decoration: none;
    color: #f5f5f7;
    font-size: 24px;
    font-weight: 600;
    transition: color 0.3s ease;
}
.dropdown-link:hover {
    color: #2997ff;
}

.dropdown-sublink {
    display: block;
    padding: 2px 0;
    text-decoration: none;
    color: #f5f5f7;
    font-size: 12px;
    font-weight: 400;
    transition: color 0.3s ease;
    opacity: 0.8;
}
.dropdown-sublink:hover {
    color: #2997ff;
}
.dropdown-panel-column {
     padding: 0 1rem;
}

.link-blue {
    color: #2997ff;
}
.link-blue:hover {
    text-decoration: underline;
}

.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.scroll-animate.is-visible {
    opacity: 1;
    transform: translateY(0);
}

footer {
    background-color: #1d1d1f;
}

.hero-headline {
    font-size: 3rem;
    line-height: 1.07143;
    font-weight: 700;
    letter-spacing: -0.005em;
}
@media (min-width: 768px) {
    .hero-headline {
        font-size: 4.5rem;
    }
}

.hero-subheadline {
    font-size: 1.5rem;
    line-height: 1.2;
    font-weight: 500;
    margin-top: 0.5rem;
}
@media (min-width: 768px) {
    .hero-subheadline {
        font-size: 1.75rem;
    }
}

.contact-card {
    background: rgba(29, 29, 31, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 18px;
    padding: 2rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.contact-card:hover {
    transform: translateY(-4px);
    border-color: rgba(41, 151, 255, 0.3);
}

.contact-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #2997ff 0%, #1a7fd9 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.news-hero {
    background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.8) 100%);
    position: relative;
    overflow: hidden;
}

.news-card {
    background: rgba(29, 29, 31, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
}
.news-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
}

.news-card-large {
    grid-column: span 2;
}
@media (max-width: 768px) {
    .news-card-large {
        grid-column: span 1;
    }
}

.news-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background: #1d1d1f;
}

.news-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(41, 151, 255, 0.15);
    color: #2997ff;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-btn {
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: #f5f5f7;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}
.filter-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}
.filter-btn.active {
    background: #2997ff;
    border-color: #2997ff;
    color: white;
}