/* Services nav dropdown — isolated from page styles */

.nav-dropdown { position: relative; }
.nav-dropdown-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 500;
    font-size: 0.95rem;
    font-family: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: color 0.2s;
}
.nav-dropdown-trigger:hover,
.nav-dropdown.is-open .nav-dropdown-trigger { color: var(--primary-light); }
.nav-dropdown-trigger:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
    border-radius: 4px;
}
.nav-dropdown-chevron {
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.65;
}
.nav-dropdown.is-open .nav-dropdown-chevron { transform: rotate(180deg); opacity: 1; }

.nav-dropdown-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    transform: translateY(-6px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 1100;
    transition:
        opacity 0.28s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.28s cubic-bezier(0.4, 0, 0.2, 1),
        visibility 0.28s;
}
.site-header.is-services-open .nav-dropdown-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.nav-dropdown-panel-accent {
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gradient-3) 0%, var(--gradient-1) 45%, var(--gradient-2) 100%);
    opacity: 0.85;
    z-index: 2;
}
.nav-dropdown-inner {
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(226, 232, 240, 0.85);
    box-shadow:
        0 24px 48px -12px rgba(10, 17, 40, 0.12),
        0 12px 24px -8px rgba(10, 17, 40, 0.06);
    overflow: hidden;
}
.nav-dropdown-container {
    padding-block: 1.5rem 1.35rem;
}
.nav-dropdown-header {
    padding: 0 0 1.1rem;
    margin-bottom: 0.35rem;
    border-bottom: 1px solid var(--border);
}
.nav-dropdown-eyebrow {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 0.35rem;
}
.nav-dropdown-lead {
    font-size: 0.88rem;
    color: var(--text-gray);
    margin: 0;
    line-height: 1.5;
    max-width: 36rem;
}
.nav-dropdown-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
    padding: 0.25rem 0;
    max-height: min(460px, 62vh);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}
.nav-dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 0.85rem 0.9rem;
    border-radius: var(--radius-lg);
    transition:
        background-color 0.22s ease,
        transform 0.22s ease,
        box-shadow 0.22s ease;
    outline: none;
}
.nav-dropdown-item:hover,
.nav-dropdown-item:focus-visible {
    background: var(--secondary);
    transform: translateX(2px);
    box-shadow: var(--shadow-sm);
}
.nav-dropdown-icon {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--primary);
    color: white;
    font-size: 1rem;
    box-shadow: 0 4px 12px rgba(10, 17, 40, 0.18);
    transition: transform 0.22s ease, background-color 0.22s ease;
}
.nav-dropdown-item:hover .nav-dropdown-icon,
.nav-dropdown-item:focus-visible .nav-dropdown-icon {
    transform: scale(1.05);
    background: var(--primary-light);
}
.nav-dropdown-copy {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}
.nav-dropdown-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.3;
}
.nav-dropdown-desc {
    font-size: 0.78rem;
    color: var(--text-gray);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.nav-dropdown-arrow {
    flex-shrink: 0;
    margin-top: 0.15rem;
    color: var(--text-gray);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 0.22s ease, transform 0.22s ease, color 0.22s ease;
}
.nav-dropdown-item:hover .nav-dropdown-arrow,
.nav-dropdown-item:focus-visible .nav-dropdown-arrow {
    opacity: 1;
    transform: translateX(0);
    color: var(--primary);
}
.nav-dropdown-footer {
    padding: 1rem 0 0;
    margin-top: 0.75rem;
    border-top: 1px solid var(--border);
}
.nav-dropdown-all {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--primary);
    transition: gap 0.2s ease, color 0.2s ease;
}
.nav-dropdown-all:hover {
    color: var(--primary-light);
    gap: 0.65rem;
}
.nav-dropdown-all svg { transition: transform 0.2s ease; }
.nav-dropdown-all:hover svg { transform: translateX(2px); }

@media (prefers-reduced-motion: reduce) {
    .nav-dropdown-panel,
    .nav-dropdown-chevron,
    .nav-dropdown-item,
    .nav-dropdown-icon,
    .nav-dropdown-arrow,
    .nav-dropdown-all svg {
        transition: none;
    }
    .site-header.is-services-open .nav-dropdown-panel { transform: none; }
}

@media (min-width: 1280px) {
    .nav-dropdown-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
    .nav-dropdown-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    .nav-dropdown { width: 100%; }
    .nav-dropdown-trigger {
        display: flex;
        width: 100%;
        padding: 0.65rem 0;
        font-size: 1rem;
    }
    .nav-dropdown-panel {
        position: static;
        transform: none;
        width: 100%;
        display: none;
    }
    .site-header.is-services-open .nav-dropdown-panel { display: block; }
    .nav-dropdown-panel-accent { height: 2px; }
    .nav-dropdown-inner { box-shadow: none; }
    .nav-dropdown-container { padding-block: 1rem; }
    .nav-dropdown-grid {
        grid-template-columns: 1fr;
        max-height: none;
        padding: 0;
    }
    .nav-dropdown-header { padding: 0 0 0.75rem; margin-bottom: 0.25rem; }
    .nav-dropdown-footer { padding-top: 0.75rem; margin-top: 0.5rem; }
}