/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #0a2c3a 0%, #0f4c5c 50%, #1a6b7a 100%);
    background-attachment: fixed;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header - FIXED DARK ALWAYS */
.header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    background: #0a1929 !important;
    background-color: #0a1929 !important;
    backdrop-filter: blur(10px) !important;
    z-index: 10000 !important;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.3) !important;
    border-bottom: 1px solid rgba(34, 197, 94, 0.2) !important;
}

header.header {
    background: #0a1929 !important;
    background-color: #0a1929 !important;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.logo-header {
    height: 120px;
    width: auto;
    max-width: 600px;
    transition: transform 0.3s ease;
    mix-blend-mode: screen;
}

.logo-header:hover {
    transform: scale(1.05);
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #10b981;
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #10b981;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    text-shadow: 0 0 5px rgba(16, 185, 129, 0.3);
}

.nav-menu a:hover {
    color: #059669;
    text-shadow: 0 0 12px rgba(16, 185, 129, 0.8);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #0a2c3a 0%, #0f4c5c 30%, #1a6b7a 60%, #22c55e 100%);
    position: relative;
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(34, 197, 94, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(26, 107, 122, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.hero-text h2 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.7;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(45deg, #22c55e, #16a34a);
    color: #0a2c3a;
    font-weight: 700;
    text-shadow: none;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(45deg, #16a34a, #22c55e);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.5), 0 0 20px rgba(34, 197, 94, 0.3);
}

.btn-secondary {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 2px solid rgba(34, 197, 94, 0.4);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(34, 197, 94, 0.2);
    border-color: #22c55e;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.3);
    color: white;
}

/* Profile Photo Styles */
.profile-photo {
    text-align: center;
    margin-bottom: 2rem;
}

.profile-photo img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    border: 4px solid rgba(34, 197, 94, 0.3);
    box-shadow: 0 8px 32px rgba(34, 197, 94, 0.2), 
                0 0 50px rgba(34, 197, 94, 0.1);
    transition: all 0.3s ease;
}

.profile-photo img:hover {
    transform: scale(1.05);
    border-color: rgba(34, 197, 94, 0.5);
    box-shadow: 0 12px 40px rgba(34, 197, 94, 0.3), 
                0 0 80px rgba(34, 197, 94, 0.2);
}

.profile-card {
    background: rgba(10, 44, 58, 0.8);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 2rem;
    border: 2px solid rgba(34, 197, 94, 0.3);
    box-shadow: 0 8px 32px rgba(34, 197, 94, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.profile-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
}

.profile-info ul {
    list-style: none;
}

.profile-info li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
}

.profile-info li:last-child {
    border-bottom: none;
}

/* Featured Carousel Section */
.featured-carousel {
    padding: 80px 0;
    background: linear-gradient(135deg, #0a2c3a 0%, #0f4c5c 50%, #1a6b7a 100%);
    position: relative;
    overflow: hidden;
}

.featured-carousel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(34, 197, 94, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(26, 107, 122, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.featured-carousel h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #22c55e;
    text-shadow: 0 0 20px rgba(34, 197, 94, 0.5);
    position: relative;
    z-index: 2;
}

.featured-carousel h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, #22c55e, #1a6b7a, #22c55e);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

.carousel-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.carousel-wrapper {
    overflow: hidden;
    border-radius: 20px;
    position: relative;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    width: 400%;
}

.carousel-slide {
    width: 25%;
    padding: 0 15px;
    box-sizing: border-box;
}

.featured-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 15px 35px rgba(34, 197, 94, 0.2), 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(34, 197, 94, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    height: 350px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.featured-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #22c55e, #1a6b7a);
}

.featured-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(34, 197, 94, 0.3), 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: rgba(34, 197, 94, 0.4);
}

.featured-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.featured-platform {
    padding: 6px 14px;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.featured-platform.substack {
    background: #ff6719;
    color: white;
}

.featured-platform.linkedin {
    background: #0077b5;
    color: white;
}

.featured-platform.prensa {
    background: #8b5cf6;
    color: white;
}

.featured-badge {
    background: linear-gradient(45deg, #22c55e, #16a34a);
    color: #0a2c3a;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
}

.featured-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #0a2c3a;
    line-height: 1.3;
    font-weight: 600;
    flex-grow: 0;
}

.featured-card p {
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex-grow: 1;
    font-size: 0.95rem;
}

.featured-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: auto;
}

.featured-category {
    background: rgba(34, 197, 94, 0.1);
    color: #0f4c5c;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.featured-link {
    color: #22c55e;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.featured-link:hover {
    color: #16a34a;
    text-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
    transform: translateX(5px);
}

/* Navigation Buttons */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 -50px;
    pointer-events: none;
}

.carousel-btn {
    background: rgba(34, 197, 94, 0.2);
    border: 2px solid rgba(34, 197, 94, 0.4);
    color: #22c55e;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    pointer-events: auto;
    font-size: 1.2rem;
}

.carousel-btn:hover {
    background: rgba(34, 197, 94, 0.3);
    border-color: #22c55e;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.4);
    transform: scale(1.1);
}

.carousel-btn.prev {
    margin-left: -25px;
}

.carousel-btn.next {
    margin-right: -25px;
}

/* Dots Navigation */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.carousel-dot.active {
    background: #22c55e;
    box-shadow: 0 0 15px rgba(34, 197, 94, 0.6);
    transform: scale(1.2);
}

.carousel-dot:hover {
    background: rgba(34, 197, 94, 0.7);
    transform: scale(1.1);
}

/* Carousel Enhancement Styles */
.carousel-container {
    cursor: grab;
    user-select: none;
}

.carousel-container:active {
    cursor: grabbing;
}

.carousel-slide {
    transition: opacity 0.3s ease;
}

.carousel-slide[aria-hidden="true"] {
    opacity: 0.7;
}

/* Smooth animations for better performance */
.carousel-track {
    will-change: transform;
}

/* Loading state for carousel */
.featured-carousel.loading .carousel-track {
    opacity: 0.5;
}

/* Photo Enhancement Styles */
.profile-photo {
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.profile-image-clickable {
    transition: transform 0.3s ease;
}

.profile-photo:hover .profile-image-clickable {
    transform: scale(1.05);
}

.photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: white;
    font-size: 0.9rem;
}

.profile-photo:hover .photo-overlay {
    opacity: 1;
}

.photo-overlay i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

/* Image Modal Styles */
.image-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: 5% auto;
    max-width: 600px;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    color: white;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    background: rgba(0, 0, 0, 0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.8);
}

.modal-image {
    width: 100%;
    height: auto;
    display: block;
}

.modal-info {
    padding: 1.5rem;
    text-align: center;
    background: linear-gradient(135deg, #0a2c3a 0%, #0f4c5c 100%);
    color: white;
}

.modal-info h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    color: #22c55e;
}

.modal-info p {
    margin: 0;
    opacity: 0.9;
}

/* Modal Responsive */
@media (max-width: 768px) {
    .modal-content {
        margin: 10% auto;
        max-width: 90%;
    }
    
    .modal-info h4 {
        font-size: 1.3rem;
    }
    
    .photo-overlay {
        font-size: 0.8rem;
    }
    
    .photo-overlay i {
        font-size: 1.5rem;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .carousel-slide {
        padding: 0 10px;
    }
    
    .featured-card {
        height: auto;
        min-height: 320px;
        padding: 1.5rem;
    }
    
    .featured-card h3 {
        font-size: 1.2rem;
    }
    
    .carousel-nav {
        padding: 0 -30px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .featured-footer {
        flex-direction: column;
        align-items: flex-start;
    }
    
    /* Profile Photo Responsive */
    .profile-photo {
        margin-bottom: 1.5rem;
    }
    
    .profile-photo img {
        width: 150px;
        height: 150px;
    }
}

/* About Section */
.about {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fbff 0%, #e8f4f8 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(34, 197, 94, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #0a2c3a;
    position: relative;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #22c55e, #1a6b7a);
    border-radius: 2px;
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4b5563;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    gap: 1.5rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 251, 255, 0.8));
    border-radius: 15px;
    border: 2px solid rgba(34, 197, 94, 0.2);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.1);
    transition: all 0.3s ease;
}

.stat:hover {
    transform: translateY(-5px);
    border-color: rgba(34, 197, 94, 0.4);
    box-shadow: 0 12px 35px rgba(34, 197, 94, 0.2);
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #22c55e;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(34, 197, 94, 0.3);
}

.stat p {
    color: #0f4c5c;
    font-weight: 600;
}

/* Publications Section */
.publications {
    padding: 80px 0;
    background: linear-gradient(135deg, #0a2c3a 0%, #0f4c5c 100%);
    position: relative;
}

.publications::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(34, 197, 94, 0.02) 10px,
        rgba(34, 197, 94, 0.02) 20px
    );
    pointer-events: none;
}

.publications h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #22c55e;
    text-shadow: 0 0 20px rgba(34, 197, 94, 0.5);
    position: relative;
}

.publications h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, #22c55e, #1a6b7a, #22c55e);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid rgba(34, 197, 94, 0.3);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    color: #b0e7d1;
    backdrop-filter: blur(10px);
}

.filter-btn.active,
.filter-btn:hover {
    background: linear-gradient(45deg, #22c55e, #16a34a);
    color: #0a2c3a;
    border-color: #22c55e;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.4), 0 4px 15px rgba(34, 197, 94, 0.2);
    font-weight: 700;
}

.publications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.publication-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.1), 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 2px solid rgba(34, 197, 94, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.publication-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #22c55e, #1a6b7a);
}

.publication-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(34, 197, 94, 0.2), 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: rgba(34, 197, 94, 0.4);
}

.publication-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.publication-platform {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.publication-platform.substack {
    background: #ff6719;
    color: white;
}

.publication-platform.linkedin {
    background: #0077b5;
    color: white;
}

.publication-platform.medium {
    background: #00ab6c;
    color: white;
}

.publication-platform.blogspot {
    background: #ff5722;
    color: white;
}

.publication-platform.prensa {
    background: #8b5cf6;
    color: white;
}

.publication-platform.defonline {
    background: #1e40af;
    color: white;
}

.publication-platform.infobae {
    background: #e84118;
    color: white;
}

.publication-date {
    color: #64748b;
    font-size: 0.9rem;
}

.publication-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #0a2c3a;
    line-height: 1.4;
    font-weight: 600;
}

.publication-card p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.publication-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.category {
    background: #e2e8f0;
    color: #475569;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.read-more {
    color: #22c55e;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: #16a34a;
    text-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fbff 0%, #e8f4f8 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(34, 197, 94, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #0a2c3a;
    position: relative;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #22c55e, #1a6b7a);
    border-radius: 2px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    border: 2px solid rgba(34, 197, 94, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: rgba(34, 197, 94, 0.4);
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.1);
    transform: translateY(-2px);
}

.contact-item i {
    font-size: 1.5rem;
    color: #22c55e;
    min-width: 30px;
    text-shadow: 0 0 10px rgba(34, 197, 94, 0.3);
}

.contact-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: #0a2c3a;
    font-weight: 600;
}

.contact-item p {
    color: #64748b;
}

.contact-item a {
    color: #22c55e;
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-additional {
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid rgba(34, 197, 94, 0.2);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.1);
}

.contact-additional h3 {
    margin-bottom: 1.5rem;
    color: #0a2c3a;
    font-weight: 600;
    text-align: center;
}

.contact-additional .contact-item {
    margin-bottom: 1rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #0a2c3a 0%, #0f4c5c 100%);
    color: white;
    padding: 3rem 0 1rem;
    border-top: 3px solid #22c55e;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 50px,
        rgba(34, 197, 94, 0.02) 50px,
        rgba(34, 197, 94, 0.02) 100px
    );
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.footer-section p {
    color: #d1d5db;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: linear-gradient(45deg, #22c55e, #16a34a);
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.4);
    color: #0a2c3a;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 968px) {
    .logo-header {
        height: 80px;
    }
    
    .nav {
        padding: 1rem 1.5rem;
    }
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .nav-menu {
        display: none;
    }
}

@media (max-width: 640px) {
    .logo-header {
        height: 60px;
    }
    
    .nav {
        padding: 0.75rem 1rem;
    }
    
    .nav-menu a {
        font-size: 0.95rem;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-text h2 {
        font-size: 1.25rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .publications-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 1rem;
    }
    
    .filter-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .publication-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Animation for filtered content */
.publication-card.hidden {
    display: none;
}

.publication-card.show {
    animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}