/* NutriX Landing Page Styles - Design System */

/* Custom Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Animation Classes */
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Custom Gradients - Design System NutriX */
.gradient-primary {
    background: linear-gradient(135deg, var(--health-primary) 0%, var(--health-primary-light) 100%);
}

.gradient-secondary {
    background: linear-gradient(135deg, var(--health-secondary) 0%, var(--health-secondary-light) 100%);
}

.gradient-success {
    background: linear-gradient(135deg, var(--health-primary) 0%, var(--health-success) 100%);
}

/* Custom Shadows - Design System */
.shadow-custom {
    box-shadow: var(--shadow-health-md);
}

.shadow-custom-lg {
    box-shadow: var(--shadow-health-lg);
}

/* Custom Buttons - Design System */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--health-primary) 0%, var(--health-primary-light) 100%);
    border: none;
    color: var(--health-secondary);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition-normal);
    text-decoration: none;
    display: inline-block;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-health-lg);
    color: var(--health-secondary);
    text-decoration: none;
    background: linear-gradient(135deg, var(--health-primary-light) 0%, var(--health-primary) 100%);
}

.btn-outline-custom {
    border: 2px solid var(--health-primary);
    color: var(--health-primary);
    background: transparent;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition-normal);
    text-decoration: none;
    display: inline-block;
}

.btn-outline-custom:hover {
    background: var(--health-primary);
    color: var(--health-secondary);
    transform: translateY(-2px);
    text-decoration: none;
}

/* Feature Cards - Design System */
.feature-card {
    background: var(--health-secondary);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-health-sm);
    transition: var(--transition-normal);
    border: 1px solid rgba(15, 92, 92, 0.05);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-health-lg);
}

/* Feature Icons - Design System */
.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 28px;
    background: linear-gradient(135deg, var(--health-primary) 0%, var(--health-primary-light) 100%);
    color: var(--health-secondary);
}

/* Hero Section - Design System */
.hero-section {
    background: linear-gradient(135deg, var(--health-primary) 0%, var(--health-primary-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23F7F5F2" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

/* Navigation - Design System */
.navbar-custom {
    backdrop-filter: blur(10px);
    background: rgba(247, 245, 242, 0.95);
    border-bottom: 1px solid rgba(15, 92, 92, 0.05);
}

/* Stats Section - Design System */
.stats-card {
    background: var(--health-secondary);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow-health-sm);
    transition: var(--transition-normal);
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-health-md);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--health-primary) 0%, var(--health-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Testimonials - Design System */
.testimonial-card {
    background: var(--health-secondary);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-health-sm);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 16px;
    left: 24px;
    font-size: 4rem;
    color: var(--health-primary);
    opacity: 0.2;
    font-family: serif;
}

/* Responsive Design - Mobile-First */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem !important;
    }

    .hero-section p {
        font-size: 1.1rem !important;
    }

    .feature-card {
        padding: 24px;
    }

    .stats-number {
        font-size: 2rem;
    }
}

/* Loading Animation */
.loading-dots {
    display: inline-block;
}

.loading-dots::after {
    content: '';
    animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
    0%, 20% {
        content: '';
    }
    40% {
        content: '.';
    }
    60% {
        content: '..';
    }
    80%, 100% {
        content: '...';
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Custom Scrollbar - Design System */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--health-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--health-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--health-primary-light);
}

/* Mobile Menu Styles - Design System */
.mobile-menu {
    position: relative;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--health-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition-normal);
}

.mobile-menu-toggle:hover {
    background: rgba(15, 92, 92, 0.1);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    backdrop-filter: blur(4px);
}

.mobile-menu-content {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    background: var(--health-secondary);
    z-index: 9999;
    box-shadow: var(--shadow-health-lg);
    display: flex;
    flex-direction: column;
}

.mobile-menu-header {
    padding: 1rem;
    border-bottom: 1px solid rgba(15, 92, 92, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-nav {
    flex: 1;
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--health-primary-dark);
    text-decoration: none;
    transition: var(--transition-normal);
    border-left: 3px solid transparent;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(15, 92, 92, 0.1);
    border-left-color: var(--health-primary);
}

.nav-item i {
    width: 20px;
    text-align: center;
    color: var(--health-primary);
}

.mobile-menu-footer {
    padding: 1rem;
    border-top: 1px solid rgba(15, 92, 92, 0.1);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    color: var(--health-danger);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition-normal);
}

.logout-btn:hover {
    background: rgba(220, 53, 69, 0.1);
}

/* Responsividade */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .desktop-menu {
        display: none;
    }
}