/* Typography */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.display-4, .display-5 {
    font-weight: 700;
    letter-spacing: -0.025em;
}

.lead {
    font-size: 1.125rem;
    font-weight: 400;
    line-height: 1.7;
}

/* Navigation */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    
    background: var(--gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
  
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(1px);
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    
}

.hero-image {
    position: relative;
    z-index: 2;
}

.hero-image img {
    transition: transform 0.3s ease;
}

.hero-image:hover img {
    transform: scale(1.05);
}

/* Content Article */
.content-article {
    max-width: none;
    line-height: 1.8;
}

.article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 0.5rem;
}

.article-content h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--secondary-color);
}

.article-content p {
    margin-bottom: 1rem;
    text-align: justify;
    font-size: 1.1rem;
}

.article-content .lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--secondary-color);
    text-align: center;
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
    margin-left: 1rem;
}

/* Cards */
.hover-card {
    transition: all 0.3s ease;
    border-radius: 1rem;
}

.hover-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

/* Gallery */
.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 1rem;
    cursor: pointer;
}

.gallery-item img {
    transition: transform 0.3s ease;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.7));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Buttons */
.btn {
    font-weight: 600;
    border-radius: 0.75rem;
    padding: 0.75rem 2rem;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-primary {
    border: 2px solid white;
    color: white;
    background: transparent;
}

.btn-outline-primary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}



/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding-top: 100px;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .content-article {
        padding: 2rem !important;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .article-content p {
        font-size: 1rem;
    }
    
    .gallery-item img {
        height: 100%;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .btn-lg {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .content-article {
        padding: 1.5rem !important;
    }
    
    .article-content .lead {
        margin-left: 0;
        font-size: 1.1rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling offset for fixed navbar */
section {
    scroll-margin-top: 80px;
}

/* Loading animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

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

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