/* ============================================
   COMPONENTS.CSS — Navbar, Footer, Sidebar
   Shared across all pages
   ============================================ */

/* ── Navigation ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(9, 15, 11, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(9, 15, 11, 0.95);
    border-bottom-color: var(--border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-banner {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-links a:not(.btn-primary):hover,
.nav-links a:not(.btn-primary).active {
    color: var(--text-primary);
}

.nav-links a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
    border-radius: 1px;
}

.nav-links a:not(.btn-primary):hover::after,
.nav-links a:not(.btn-primary).active::after {
    width: 100%;
}

.nav-links .btn-primary {
    color: var(--bg-primary);
    padding: 10px 20px;
    font-size: 14px;
}

/* ── Nav Dropdown ── */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-arrow {
    transition: transform 0.2s ease;
    flex-shrink: 0;
    width: 14px;
    height: 14px;
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 220px;
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
    display: block;
    padding: 10px 16px;
    color: var(--text-secondary) !important;
    font-weight: 500 !important;
    font-size: 14px;
    border-radius: var(--radius-sm);
    transition: background 0.15s ease, color 0.15s ease;
    white-space: nowrap;
}

.nav-dropdown-menu a::after {
    display: none !important;
}

.nav-dropdown-menu a:hover {
    background: rgba(62, 207, 142, 0.08);
    color: var(--accent) !important;
}

.nav-dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 8px;
}

.nav-dropdown-all {
    color: var(--accent) !important;
    font-size: 13px;
}

/* ── Hamburger ── */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 10;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Sidebar Overlay ── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1100;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.open {
    display: block;
    opacity: 1;
}

/* ── Sidebar ── */
.sidebar {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 300px;
    max-width: 85vw;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    z-index: 1200;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.4);
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header .logo {
    font-size: 20px;
}

.sidebar-header .logo-banner {
    height: 28px;
}

.sidebar-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: background 0.15s ease, color 0.15s ease;
}

.sidebar-close i {
    width: 24px;
    height: 24px;
}

.sidebar-close:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.sidebar-links {
    padding: 16px;
}

.sidebar-link {
    display: block;
    padding: 14px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    border-radius: 10px;
    transition: background 0.15s ease, color 0.15s ease;
}

.sidebar-link:hover {
    background: rgba(62, 207, 142, 0.08);
    color: var(--accent);
}

/* ── Sidebar Accordion ── */
.sidebar-group-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 16px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 16px;
    font-family: var(--font-primary);
    border-radius: 10px;
    transition: background 0.15s ease, color 0.15s ease;
}

.sidebar-group-trigger:hover {
    background: rgba(62, 207, 142, 0.08);
    color: var(--accent);
}

.sidebar-arrow {
    transition: transform 0.25s ease;
    width: 16px;
    height: 16px;
}

.sidebar-group.open .sidebar-arrow {
    transform: rotate(180deg);
}

.sidebar-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding-left: 12px;
}

.sidebar-group.open .sidebar-submenu {
    max-height: 300px;
}

.sidebar-submenu .sidebar-link {
    padding: 10px 16px;
    font-size: 15px;
}

.sidebar-cta {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.sidebar-btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 14px 24px;
}

/* ── Footer ── */
.footer {
    padding: 80px 0 40px;
    background: var(--color-950);
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 80px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-brand .logo-banner {
    height: 32px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 15px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-column a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 12px;
    font-size: 14px;
    transition: var(--transition-smooth);
}

.footer-column a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

/* ── Responsive ── */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .sidebar {
        display: block;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer {
        padding: 48px 0 32px;
    }
}