/* Navbar Profesional SafetyAI */
:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --secondary: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --alert: #F97316;
    --white: #FFFFFF;
    --dark: #0F172A;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-600: #4B5563;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Navbar Principal */
.safetyai-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.98) 0%, rgba(30, 41, 59, 0.98) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(37, 99, 235, 0.3);
}

.safetyai-navbar.scrolled {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), 0 2px 6px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.99) 0%, rgba(30, 41, 59, 0.99) 100%);
    border-bottom-color: rgba(37, 99, 235, 0.4);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* Logo */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.5rem 1rem;
    margin-left: -0.5rem;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.navbar-brand::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(16, 185, 129, 0.2));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 16px;
}

.navbar-brand:hover {
    transform: translateY(-2px);
}

.navbar-brand:hover::before {
    opacity: 1;
}

.navbar-logo-icon {
    width: 48px;
    height: 48px;
    background: transparent;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.navbar-brand:hover .navbar-logo-icon {
    transform: scale(1.1);
    opacity: 0.9;
}

.navbar-logo-text {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--primary) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.8px;
    animation: gradientShift 3s ease infinite;
    position: relative;
    z-index: 1;
    padding: 0.25rem 0.75rem;
    border-radius: 16px;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes shimmerGlow {
    0% {
        left: -100%;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        left: 100%;
        opacity: 0;
    }
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1.1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.2);
    }
}

/* Navegación */
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-family: 'Inter', sans-serif;
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    padding: 0.75rem 1.25rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    border-radius: 10px;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(16, 185, 129, 0.2));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 10px;
}

.nav-link:hover {
    color: var(--white);
    transform: translateY(-1px);
}

.nav-link:hover::before {
    opacity: 1;
}

.nav-link.active {
    color: var(--white);
    font-weight: 600;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(16, 185, 129, 0.25));
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 3px 3px 0 0;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 60%;
        opacity: 1;
    }
}

.nav-link-icon {
    font-size: 1.125rem;
    transition: transform 0.3s ease;
}

.nav-link:hover .nav-link-icon {
    transform: scale(1.15);
}

/* Botón CTA */
.navbar-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: 1rem;
}

.btn-nav {
    padding: 0.75rem 1.75rem;
    border-radius: 12px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-nav::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-nav:hover::before {
    width: 300px;
    height: 300px;
}

.btn-nav-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--primary) 100%);
    background-size: 200% 200%;
    color: var(--white);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35), 0 0 0 1px rgba(37, 99, 235, 0.1);
    position: relative;
    z-index: 1;
}

.btn-nav-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.45), 0 0 0 1px rgba(37, 99, 235, 0.15);
    background-position: 100% 50%;
}

.btn-nav-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-nav-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    position: relative;
    z-index: 1;
}

.btn-nav-outline:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

/* Mobile Menu Toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: rgba(37, 99, 235, 0.15);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 10px;
    cursor: pointer;
    padding: 0.75rem;
    z-index: 1001;
    transition: all 0.3s ease;
}

.navbar-toggle:hover {
    background: rgba(37, 99, 235, 0.25);
    border-color: rgba(37, 99, 235, 0.4);
}

.navbar-toggle span {
    width: 26px;
    height: 3px;
    background: linear-gradient(90deg, var(--white), rgba(255, 255, 255, 0.9));
    border-radius: 3px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu */
@media (max-width: 968px) {
    .navbar-toggle {
        display: flex;
    }

    .navbar-nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, rgba(15, 23, 42, 0.98) 0%, rgba(30, 41, 59, 0.98) 100%);
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
        flex-direction: column;
        padding: 1.5rem;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
        transform: translateX(-100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        gap: 0.5rem;
        align-items: stretch;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        border-top: 1px solid rgba(37, 99, 235, 0.3);
    }

    .navbar-nav.active {
        transform: translateX(0);
    }

    .nav-item {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-item:last-child {
        border-bottom: none;
    }

    .nav-link {
        padding: 1.125rem 1.25rem;
        font-size: 1rem;
        border-radius: 12px;
        margin-bottom: 0.25rem;
        color: rgba(255, 255, 255, 0.9);
    }
    
    .nav-link.active {
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.3), rgba(16, 185, 129, 0.3));
        color: var(--white);
    }
    
    .nav-link:hover {
        color: var(--white);
    }

    .navbar-cta {
        flex-direction: column;
        width: 100%;
        margin-top: 1rem;
        gap: 0.75rem;
    }

    .btn-nav {
        width: 100%;
        justify-content: center;
    }
    
    .navbar-container {
        padding: 0 1.5rem;
    }
}

/* Móviles pequeños (max-width: 480px) */
@media (max-width: 480px) {
    .navbar-container {
        padding: 0 1rem;
        height: 70px;
    }
    
    .navbar-brand {
        gap: 0.5rem;
    }
    
    .navbar-logo-icon {
        width: 32px;
        height: 32px;
        font-size: 1.25rem;
    }
    
    .navbar-logo-text {
        font-size: 1.125rem;
    }
    
    .navbar-nav {
        top: 70px;
        padding: 1rem;
        max-height: calc(100vh - 70px);
    }
    
    .nav-link {
        padding: 1rem;
        font-size: 0.9rem;
    }
    
    .btn-nav {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .navbar-toggle {
        width: 36px;
        height: 36px;
    }
    
    .navbar-toggle span {
        width: 20px;
        height: 2px;
    }
}

/* Móviles muy pequeños (max-width: 360px) */
@media (max-width: 360px) {
    .navbar-container {
        padding: 0 0.75rem;
    }
    
    .navbar-logo-text {
        font-size: 1rem;
    }
    
    .nav-link {
        padding: 0.875rem;
        font-size: 0.85rem;
    }
}

/* Badge de notificación */
.nav-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--alert);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.125rem 0.375rem;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(249, 115, 22, 0.3);
}

/* Dropdown (para futuras expansiones) */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    padding: 0.5rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    margin-top: 0.5rem;
}

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

.nav-dropdown-item {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--gray-800);
    text-decoration: none;
    transition: background 0.2s ease;
    font-size: 0.9375rem;
}

.nav-dropdown-item:hover {
    background: var(--gray-50);
    color: var(--primary);
}

/* Animación de entrada */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.safetyai-navbar {
    animation: slideDown 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Efecto de brillo mejorado - ya está implementado arriba */

/* Modo oscuro (opcional) */
.safetyai-navbar.dark {
    background: rgba(15, 23, 42, 0.98);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.safetyai-navbar.dark .nav-link {
    color: var(--gray-100);
}

.safetyai-navbar.dark .nav-link:hover {
    color: var(--white);
}

.safetyai-navbar.dark .navbar-toggle span {
    background: var(--gray-100);
}