/*
Alejandro Román Website - Modern Design
Color Palette:
- #0a0908 - Casi Negro (texto principal, fondos oscuros)
- #22333b - Azul Oscuro (headers, acentos)
- #eae0d5 - Beige Claro (fondos, secciones alternadas)
- #c6ac8f - Beige Medio (acentos, botones)
- #5e503f - Marrón (textos secundarios, bordes)
*/

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-dark: #0a0908;
    --color-navy: #22333b;
    --color-light-beige: #eae0d5;
    --color-medium-beige: #c6ac8f;
    --color-brown: #5e503f;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
    --transition: all 0.3s ease;

    /* Light mode - Tonos cálidos (blanco + marrones) */
    --bg-primary: #ffffff;
    --bg-secondary: #eae0d5;
    --bg-tertiary: #f5f0ea;
    --text-primary: #0a0908;
    --text-secondary: #5e503f;
    --accent-primary: #c6ac8f;
    --accent-secondary: #5e503f;
    --nav-bg: #ffffff;
    --nav-text: #0a0908;
    --card-bg: #ffffff;
}

[data-theme="dark"] {
    /* Dark mode - Diseño moderno y atractivo */
    --color-dark: #0a0908;
    --color-navy: #1e2a35;
    --color-light-beige: #f5f1ed;
    --color-medium-beige: #d4b896;
    --color-brown: #5e503f;

    --bg-primary: #0f1419;
    --bg-secondary: #1a2332;
    --bg-tertiary: #243447;
    --text-primary: #f5f1ed;
    --text-secondary: #d4b896;
    --accent-primary: #d4b896;
    --accent-secondary: #f5f1ed;
    --nav-bg: #1a2332;
    --nav-text: #f5f1ed;
    --card-bg: #1a2332;
}

/* Dark Mode Specific Overrides */
[data-theme="dark"] body {
    background-color: #0f1419;
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, #1a2332 0%, #243447 100%);
}

/* Page Headers en About, Publications, Media - azul de barra superior */
[data-theme="dark"] section[style*="background: linear-gradient(135deg, var(--color-navy)"] {
    background: linear-gradient(135deg, #1a2332 0%, #1a2332 100%) !important;
}

[data-theme="dark"] .social-icon-hero {
    background-color: #d4b896;
    color: #0f1419;
    border: none;
    box-shadow: 0 4px 15px rgba(212, 184, 150, 0.3);
}

[data-theme="dark"] .social-icon-hero:hover {
    background-color: #f5f1ed;
    color: #0f1419;
    box-shadow: 0 6px 25px rgba(245, 241, 237, 0.4);
}

[data-theme="dark"] .btn {
    background-color: #d4b896;
    color: #0f1419;
    box-shadow: 0 4px 15px rgba(212, 184, 150, 0.3);
}

[data-theme="dark"] .btn:hover {
    background-color: #f5f1ed;
    color: #0f1419;
    box-shadow: 0 6px 25px rgba(245, 241, 237, 0.4);
}

[data-theme="dark"] .stat-card {
    background: linear-gradient(135deg, #1a2332 0%, #243447 100%);
    border: 2px solid #d4b896;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .stat-card:hover {
    border-color: #f5f1ed;
    box-shadow: 0 12px 35px rgba(212, 184, 150, 0.3);
}


[data-theme="dark"] section[style*="background-color: white"] {
    background-color: #5c677d !important;
}

[data-theme="dark"] section[style*="background-color: var(--color-light-beige)"] {
    background-color: #5c677d !important;
}

/* Academic Activity - emojis y texto beige claro */
[data-theme="dark"] .stat-icon {
    background-color: #f5f1ed !important;
    color: #0f1419 !important;
}

[data-theme="dark"] .stat-icon i {
    color: #0f1419 !important;
}

[data-theme="dark"] .stat-card {
    background: #5c677d;
    border: 2px solid #d4b896;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .stat-card div[style*="font-size"] {
    color: #f5f1ed !important;
}

[data-theme="dark"] .stat-card span {
    color: #f5f1ed !important;
}

[data-theme="dark"] .stat-number {
    color: #f5f1ed !important;
}

[data-theme="dark"] .stat-label {
    color: #f5f1ed !important;
}

/* Academic Activity - círculos beige debajo de emojis y texto */
[data-theme="dark"] section[style*="background-color: var(--bg-secondary)"] > .container > div > div {
    background-color: #c6ac8f;
    border-radius: 50%;
    width: 140px;
    height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

[data-theme="dark"] section[style*="background-color: var(--bg-secondary)"] > .container > div > div:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

/* Research Lines - borde beige en modo noche */
[data-theme="dark"] .research-line-card {
    border: 2px solid #d4b896 !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4) !important;
}

[data-theme="dark"] .research-line-card:hover {
    border-color: #f5f1ed !important;
    box-shadow: 0 8px 30px rgba(212, 184, 150, 0.3) !important;
}

/* Map of Research Activity - fondo azul oscuro y leyenda beige claro */
[data-theme="dark"] #research-map {
    background-color: #1a2332 !important;
}

[data-theme="dark"] section:has(#research-map) {
    background-color: #1a2332 !important;
}

[data-theme="dark"] section:has(#research-map) span[style*="color: var(--color-dark)"] {
    color: #eae0d5 !important;
}

/* My Background en About - texto en azul oscuro y highlight en beige medio */
[data-theme="dark"] main:has(section:first-child section[style*="background-color: var(--color-light-beige)"]) section[style*="background-color: var(--color-light-beige)"] p {
    color: #1a2332 !important;
}

[data-theme="dark"] main:has(section:first-child section[style*="background-color: var(--color-light-beige)"]) section[style*="background-color: var(--color-light-beige)"] .highlight {
    color: #d4b896 !important;
    font-weight: 600;
}

/* AMIGA y ABANTI - Alternancia de fondos y colores de texto */
/* Secciones con fondo blanco -> azul claro de barra (#1a2332) */
[data-theme="dark"] body:has(a[href="amiga.html"].active) section[style*="background-color: white"],
[data-theme="dark"] body:has(a[href="abanti.html"].active) section[style*="background-color: white"] {
    background-color: #1a2332 !important;
}

[data-theme="dark"] body:has(a[href="amiga.html"].active) section[style*="background-color: white"] h3,
[data-theme="dark"] body:has(a[href="abanti.html"].active) section[style*="background-color: white"] h3,
[data-theme="dark"] body:has(a[href="amiga.html"].active) section[style*="background-color: white"] h2,
[data-theme="dark"] body:has(a[href="abanti.html"].active) section[style*="background-color: white"] h2 {
    color: #f5f1ed !important;
}

[data-theme="dark"] body:has(a[href="amiga.html"].active) section[style*="background-color: white"] p,
[data-theme="dark"] body:has(a[href="abanti.html"].active) section[style*="background-color: white"] p {
    color: #eae0d5 !important;
}

/* Secciones con var(--color-light-beige) -> azul footer (#5c677d) */
[data-theme="dark"] body:has(a[href="amiga.html"].active) section[style*="background-color: var(--color-light-beige)"],
[data-theme="dark"] body:has(a[href="abanti.html"].active) section[style*="background-color: var(--color-light-beige)"] {
    background-color: #5c677d !important;
}

[data-theme="dark"] body:has(a[href="amiga.html"].active) section[style*="background-color: var(--color-light-beige)"] h2,
[data-theme="dark"] body:has(a[href="abanti.html"].active) section[style*="background-color: var(--color-light-beige)"] h2 {
    color: #f5f1ed !important;
}

[data-theme="dark"] body:has(a[href="amiga.html"].active) section[style*="background-color: var(--color-light-beige)"] p,
[data-theme="dark"] body:has(a[href="abanti.html"].active) section[style*="background-color: var(--color-light-beige)"] p {
    color: #eae0d5 !important;
}

[data-theme="dark"] body:has(a[href="amiga.html"].active) section[style*="background-color: var(--color-light-beige)"] .highlight,
[data-theme="dark"] body:has(a[href="abanti.html"].active) section[style*="background-color: var(--color-light-beige)"] .highlight {
    color: #d4b896 !important;
    font-weight: 600;
}

/* Program Details en ABANTI - título y strong en azul oscuro, texto en beige medio */
[data-theme="dark"] body:has(a[href="abanti.html"].active) div[style*="background-color: white"] h3[style*="color: var(--color-medium-beige)"] {
    color: #1a2332 !important;
}

[data-theme="dark"] body:has(a[href="abanti.html"].active) div[style*="background-color: white"] strong {
    color: #1a2332 !important;
}

[data-theme="dark"] body:has(a[href="abanti.html"].active) div[style*="background-color: white"] p[style*="text-align: center"] {
    color: #d4b896 !important;
}

/* Latest News & Updates - fondo gris azulado */
[data-theme="dark"] section[style*="background-color: var(--bg-primary)"] {
    background-color: #5c677d !important;
}


[data-theme="dark"] .news-sidebar {
    background-color: #1a2332;
    border: 2px solid #d4b896;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .publication-card,
[data-theme="dark"] .media-card {
    background-color: #1a2332;
    border: 1px solid rgba(212, 184, 150, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .publication-card:hover,
[data-theme="dark"] .media-card:hover {
    border-color: #d4b896;
    box-shadow: 0 8px 30px rgba(212, 184, 150, 0.2);
}

[data-theme="dark"] footer {
    background-color: #5c677d;
    border-top: 2px solid rgba(212, 184, 150, 0.3);
}

[data-theme="dark"] p {
    color: #d4b896;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3 {
    color: #f5f1ed;
}

[data-theme="dark"] .news-item {
    border-bottom: 1px solid rgba(212, 184, 150, 0.3);
}

[data-theme="dark"] .tag {
    background-color: rgba(212, 184, 150, 0.2);
    border-color: #d4b896;
    color: #f5f1ed;
}

[data-theme="dark"] nav {
    background-color: #1a2332;
    border-bottom: 1px solid rgba(212, 184, 150, 0.2);
}

[data-theme="dark"] .nav-link::after {
    background-color: #d4b896;
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
    color: #d4b896;
}

[data-theme="dark"] .social-icon {
    color: #f5f1ed;
}

[data-theme="dark"] .social-icon:hover {
    color: #d4b896;
}

[data-theme="dark"] .theme-toggle,
[data-theme="dark"] .scroll-to-top {
    background-color: #d4b896;
    color: #0f1419;
    box-shadow: 0 4px 20px rgba(212, 184, 150, 0.4);
}

[data-theme="dark"] .theme-toggle:hover,
[data-theme="dark"] .scroll-to-top:hover {
    background-color: #f5f1ed;
    box-shadow: 0 6px 30px rgba(245, 241, 237, 0.5);
}

[data-theme="dark"] .news-title {
    color: #f5f1ed;
}

[data-theme="dark"] .news-date {
    color: #d4b896;
}

[data-theme="dark"] .news-excerpt {
    color: #d4b896;
    opacity: 0.9;
}

[data-theme="dark"] .publication-title,
[data-theme="dark"] .media-title {
    color: #f5f1ed !important;
}

[data-theme="dark"] .publication-authors,
[data-theme="dark"] .media-description {
    color: #eae0d5 !important;
}

/* Override inline styles en Publications */
[data-theme="dark"] .publication-title[style] {
    color: #f5f1ed !important;
}

[data-theme="dark"] .publication-authors[style] {
    color: #eae0d5 !important;
}

/* Altmetric badge - número en blanco en modo noche */
[data-theme="dark"] .altmetric-embed .altmetric-normal-font,
[data-theme="dark"] .altmetric-embed .altmetric-score-text,
[data-theme="dark"] ._altmetric_embed_score {
    color: #ffffff !important;
}

[data-theme="dark"] .pub-link {
    background-color: rgba(212, 184, 150, 0.2);
    color: #f5f1ed;
    border: 1px solid rgba(212, 184, 150, 0.3);
}

[data-theme="dark"] .pub-link:hover {
    background-color: #d4b896;
    color: #0f1419;
    border-color: #d4b896;
}

body {
    font-family: var(--font-main);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.7;
    font-size: 16px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-secondary);
}

/* Navigation */
nav {
    background-color: var(--nav-bg);
    padding: 0.8rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(10, 9, 8, 0.1);
    border-bottom: 1px solid var(--bg-tertiary);
    transition: background-color 0.3s ease;
}

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

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

.nav-logo {
    display: none; /* Ocultar logo del dron */
}

.nav-brand-text {
    color: var(--nav-text);
    font-size: 1.4rem;
    font-weight: 700;
    font-family: var(--font-heading);
    transition: color 0.3s ease;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.6rem;
    align-items: center;
    margin-left: auto;
}

.nav-link {
    color: var(--nav-text);
    font-weight: 500;
    padding: 0.5rem 0.5rem;
    border-radius: 5px;
    transition: var(--transition);
    position: relative;
    font-size: 0.95rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-medium-beige);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary);
}

.social-icons-nav {
    display: flex;
    gap: 0.8rem;
    margin-left: 1.5rem;
    padding-left: 1.5rem;
    border-left: 1px solid var(--bg-tertiary);
}

.social-icon {
    color: var(--nav-text);
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-icon:hover {
    color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-dark) 100%);
    position: relative;
    overflow: hidden;
    margin-top: -1px; /* Evita gap entre nav y hero */
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(234,224,213,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    color: var(--color-light-beige);
}

.hero-subtitle {
    color: var(--color-medium-beige);
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.hero h1 {
    color: var(--color-light-beige);
    margin-bottom: 2rem;
}

.hero-description {
    color: var(--color-light-beige);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 420px;
    height: 420px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--color-medium-beige);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.hero-image:hover {
    transform: scale(1.05);
    border-color: var(--color-light-beige);
}

.social-icons-hero {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.social-icon-hero {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-medium-beige);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-navy);
    font-size: 1.5rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.social-icon-hero:hover {
    background-color: var(--color-light-beige);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background-color: var(--color-medium-beige);
    color: var(--color-navy);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn:hover {
    background-color: var(--color-light-beige);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn i {
    font-size: 1.2rem;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Section Styling */
section {
    padding: 1.5rem 0;
    position: relative;
}

/* Add separator for better visual hierarchy */
section:not(:first-of-type)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--accent-primary), transparent);
    opacity: 0.3;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    color: var(--text-primary);
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    margin: 1rem auto;
    border-radius: 2px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text {
    text-align: justify;
}

.about-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.about-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.about-image:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.about-map {
    grid-column: 1 / -1;
    width: 100%;
    max-width: 600px;
    margin: 2rem auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.highlight {
    color: var(--color-medium-beige);
    font-weight: 600;
}

/* Publications Grid */
.publications-grid {
    display: grid;
    gap: 3rem;
}

.publication-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
}

.publication-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.publication-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.publication-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.publication-journal {
    margin-bottom: 1rem;
}

.journal-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.publication-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.publication-authors {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.publication-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.pub-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 1rem;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 5px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.pub-link:hover {
    background-color: var(--accent-primary);
}

.pub-link img {
    height: 25px;
    width: auto;
}

/* Media Grid */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.media-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    cursor: pointer;
}

.media-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.media-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.media-content {
    padding: 1.5rem;
}

.media-date {
    color: var(--accent-primary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.media-title {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.media-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.media-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.3rem 0.8rem;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid var(--accent-primary);
}

/* Blog Section */
.blog-card {
    background-color: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.blog-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-content {
    padding: 2rem;
}

.blog-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.blog-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
}

.blog-link:hover {
    background-color: var(--accent-secondary);
}

/* Footer */
footer {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 3rem 0 1.5rem;
    margin-top: 5rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer-text {
    margin-bottom: 1rem;
    opacity: 0.9;
}

.footer-link {
    color: var(--accent-primary);
    text-decoration: underline;
}

.footer-link:hover {
    color: var(--accent-secondary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        width: 300px;
        height: 300px;
    }

    .social-icons-hero {
        justify-content: center;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .publication-card,
    .blog-card {
        grid-template-columns: 1fr;
    }

    .publication-image,
    .blog-image {
        height: 250px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
    }

    .nav-link {
        padding: 0.5rem;
        font-size: 0.9rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    .container {
        padding: 2rem 1rem;
    }

    section {
        padding: 1rem 0;
    }

    .media-grid {
        grid-template-columns: 1fr;
    }

    .hero-image {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 480px) {
    .social-icons-nav {
        display: none;
    }

    .nav-brand-text {
        font-size: 1.2rem;
    }

    .hero {
        min-height: auto;
        padding: 3rem 0;
    }

    .about-images {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background-color: var(--color-medium-beige);
    color: var(--color-navy);
}

::-moz-selection {
    background-color: var(--color-medium-beige);
    color: var(--color-navy);
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    z-index: 999;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
    background-color: var(--accent-secondary);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    z-index: 999;
}

.scroll-to-top.visible {
    display: flex;
}

.scroll-to-top:hover {
    background-color: var(--accent-secondary);
    transform: translateY(-5px);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
}

/* News Sidebar */
.news-sidebar {
    background-color: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    max-height: 600px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) var(--bg-tertiary);
    border: 1px solid var(--bg-tertiary);
    transition: background-color 0.3s ease;
}

.news-sidebar::-webkit-scrollbar {
    width: 8px;
}

.news-sidebar::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 10px;
}

.news-sidebar::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 10px;
}

.news-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

.news-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--bg-tertiary);
}

.news-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.news-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 10px;
    flex-shrink: 0;
}

.news-content {
    flex: 1;
}

.news-date {
    font-size: 0.8rem;
    color: var(--accent-primary);
    margin-bottom: 0.3rem;
}

.news-title {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.3rem;
    line-height: 1.3;
}

.news-excerpt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-dark) 100%);
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background-color: var(--color-medium-beige);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-navy);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-light-beige);
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--color-medium-beige);
    font-weight: 500;
}

/* Publications Grid - 3 columns */
.publications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.publication-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    cursor: pointer;
    border: 1px solid var(--bg-tertiary);
}

.publication-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.publication-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.publication-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

@media (max-width: 1200px) {
    .publications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .publications-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .theme-toggle,
    .scroll-to-top {
        right: 20px;
    }
}