/* ============================================
   NAVBAR STYLES - Healthcare Platform
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 10px 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    z-index: 1001;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--white);
    transition: var(--transition);
}

.nav-logo:hover .logo-icon {
    transform: rotate(-10deg) scale(1.05);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text .logo-name {
    font-family: var(--font-primary);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--white);
    transition: var(--transition);
}

.navbar.scrolled .logo-name {
    color: var(--dark);
}

.logo-text .logo-tagline {
    font-size: 0.7rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.navbar.scrolled .logo-tagline {
    color: var(--text-light);
}

/* Nav Links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link {
    position: relative;
    padding: 10px 18px;
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    letter-spacing: 0.2px;
}

.navbar.scrolled .nav-link {
    color: var(--text);
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.navbar.scrolled .nav-link:hover {
    color: var(--primary);
    background: rgba(42, 108, 246, 0.06);
}

.nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.12);
}

.navbar.scrolled .nav-link.active {
    color: var(--primary);
    background: rgba(42, 108, 246, 0.08);
}

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

.nav-dropdown .nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-dropdown .nav-link i.fa-chevron-down {
    font-size: 0.65rem;
    transition: var(--transition);
}

.nav-dropdown:hover .nav-link i.fa-chevron-down {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 280px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border);
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1002;
    display: flex;
    gap: 10px;
}

.dropdown-column {
    min-width: 200px;
    padding: 10px;
}

.dropdown-header {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-light);
    letter-spacing: 1px;
    margin-bottom: 12px;
    padding-left: 12px;
    border-left: 2px solid var(--primary);
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-decoration: none;
    color: var(--text);
}

.dropdown-item:hover {
    background: var(--gradient-card);
    color: var(--primary);
}

.dropdown-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.dropdown-icon.blue {
    background: rgba(42, 108, 246, 0.1);
    color: var(--primary);
}
.dropdown-icon.green {
    background: rgba(22, 184, 166, 0.1);
    color: var(--secondary);
}
.dropdown-icon.purple {
    background: rgba(124, 58, 237, 0.1);
    color: var(--accent-purple);
}
.dropdown-icon.pink {
    background: rgba(236, 72, 153, 0.1);
    color: var(--accent-pink);
}
.dropdown-icon.orange {
    background: rgba(249, 115, 22, 0.1);
    color: var(--accent-orange);
}
.dropdown-icon.cyan {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
}
.dropdown-icon.red {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
}

.dropdown-item:hover .dropdown-icon {
    transform: scale(1.1);
}

.dropdown-text h5 {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 2px;
    transition: var(--transition);
}

.dropdown-item:hover .dropdown-text h5 {
    color: var(--primary);
}

.dropdown-text p {
    font-size: 0.75rem;
    color: var(--text-light);
    margin: 0;
}

/* Nav CTA */
.nav-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-cta .btn {
    padding: 10px 24px;
    font-size: 0.88rem;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    padding: 8px;
    background: none;
    border: none;
}

.nav-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.navbar.scrolled .nav-toggle span {
    background: var(--dark);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Styles */
@media (max-width: 1024px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 320px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 30px 40px;
        gap: 4px;
        transition: var(--transition-slow);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-link {
        color: var(--text);
        width: 100%;
        padding: 14px 18px;
        font-size: 1rem;
    }

    .nav-link:hover {
        color: var(--primary);
        background: rgba(42, 108, 246, 0.06);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    /* Mobile Dropdown */
    .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        padding: 0 0 0 16px;
        max-height: 0;
        overflow: hidden;
        opacity: 1;
        visibility: visible;
    }

    .nav-dropdown.active .dropdown-menu {
        max-height: 600px;
        padding: 8px 0 8px 16px;
    }

    .nav-dropdown:hover .dropdown-menu {
        transform: none;
    }
}

/* Mobile Overlay */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}