/* ===== CSS Variables ===== */
:root {
    --color-primary: #1a365d;
    --color-primary-light: #2c5282;
    --color-primary-dark: #0f2744;
    --color-accent: #c9a227;
    --color-accent-light: #d4b84a;
    --color-accent-dark: #a8871f;
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-text-muted: #a0aec0;
    --color-white: #ffffff;
    --color-light: #f7fafc;
    --color-light-gray: #edf2f7;
    --color-dark: #1a202c;

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --container-max: 1200px;
    --section-padding: 100px;
    --section-padding-mobile: 60px;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.7;
    background-color: var(--color-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-primary-dark);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== Container ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary-dark);
}

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-light {
    background: var(--color-white);
    color: var(--color-primary);
}

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

.btn-full {
    width: 100%;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    padding: 20px 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    padding: 15px 0;
}

.navbar.scrolled .nav-link {
    color: var(--color-text);
}

.navbar.scrolled .nav-link:hover {
    color: var(--color-accent);
}

.navbar.scrolled .nav-link-cta {
    background: var(--color-accent);
    color: var(--color-primary-dark);
}

.navbar.scrolled .logo-text {
    color: var(--color-primary);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Navigation Logo Image */
.nav-logo-img {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    filter: invert(1);
    transition: filter var(--transition-normal);
    object-fit: cover;
}

.navbar.scrolled .nav-logo-img {
    filter: none;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 2px;
    transition: color var(--transition-normal);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
}

/* Hide mobile menu logo on desktop */
.nav-menu-logo {
    display: none;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-normal);
}

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

.nav-link-cta {
    background: var(--color-accent);
    color: var(--color-primary-dark);
    padding: 10px 24px;
    border-radius: 4px;
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    background: var(--color-accent-light);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-white);
    position: relative;
    transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-normal);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.navbar.scrolled .hamburger,
.navbar.scrolled .hamburger::before,
.navbar.scrolled .hamburger::after {
    background: var(--color-primary);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 20px;
    max-width: 900px;
}

.hero-logo-large {
    margin-bottom: 30px;
}

/* Hero Logo Image */
.hero-logo-img {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    filter: invert(1);
    margin: 0 auto;
    display: block;
    object-fit: cover;
    animation: pulse 3s ease-in-out infinite;
    box-shadow: 0 0 0 8px rgba(201, 162, 39, 0.3), 0 0 0 16px rgba(201, 162, 39, 0.1);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 8px rgba(201, 162, 39, 0.3), 0 0 0 16px rgba(201, 162, 39, 0.1);
    }
    50% {
        box-shadow: 0 0 0 12px rgba(201, 162, 39, 0.2), 0 0 0 24px rgba(201, 162, 39, 0.05);
    }
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--color-white);
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    margin: 10px auto 0;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% {
        top: 8px;
        opacity: 1;
    }
    50% {
        top: 20px;
        opacity: 0.3;
    }
}

/* ===== Section Styles ===== */
.section {
    padding: var(--section-padding) 0;
}

.section-light {
    background: var(--color-white);
}

.section-dark {
    background: var(--color-primary-dark);
}

.section-dark h2,
.section-dark h3,
.section-dark p {
    color: var(--color-white);
}

.section-dark .section-tag {
    color: var(--color-accent);
}

.section-accent {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 15px;
}

.section-tag.light {
    color: var(--color-accent-light);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 20px;
}

.section-title.light {
    color: var(--color-white);
}

.section-divider {
    width: 80px;
    height: 3px;
    background: var(--color-accent);
    margin: 0 auto;
}

.section-divider.light {
    background: var(--color-accent-light);
}

.section-intro {
    max-width: 800px;
    margin: 0 auto 50px;
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-light);
}

/* ===== About Section ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content .lead-text {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-content p {
    margin-bottom: 15px;
    color: var(--color-text-light);
}

.about-statute-btn {
    margin-top: 10px;
    display: inline-flex;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--color-light);
    border-radius: 8px;
    border-left: 4px solid var(--color-accent);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 2.5rem;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ===== Areas Section ===== */
.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.area-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: all var(--transition-normal);
}

.area-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.area-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.area-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary-dark);
}

.area-card h3 {
    color: var(--color-white);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.area-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* ===== Projects Section ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--color-light);
    border-radius: 12px;
    padding: 35px;
    position: relative;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.project-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.project-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-light-gray);
    position: absolute;
    top: 20px;
    right: 25px;
}

.project-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    padding-right: 60px;
}

.project-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.project-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 20px;
}

/* ===== Publication Section ===== */
.publication-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}

.journal-placeholder {
    perspective: 1000px;
}

.journal-cover {
    background: linear-gradient(145deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    border-radius: 8px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-xl);
    transform: rotateY(-5deg);
    transition: transform var(--transition-normal);
    border: 3px solid var(--color-accent);
}

.journal-placeholder:hover .journal-cover {
    transform: rotateY(0deg);
}

.journal-year {
    display: block;
    font-size: 1.5rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 20px;
}

.journal-title {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-white);
    margin-bottom: 10px;
}

.journal-subtitle {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.publication-info h3 {
    color: var(--color-white);
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.publication-info p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.publication-features {
    margin-bottom: 30px;
}

.publication-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.9);
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: var(--color-accent);
    color: var(--color-primary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.8rem;
}

/* ===== Training Section ===== */
.training-intro {
    max-width: 800px;
    margin: 0 auto 50px;
    text-align: center;
}

.training-intro p {
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.training-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.training-card {
    background: var(--color-light);
    border-radius: 12px;
    padding: 35px;
    text-align: center;
    transition: all var(--transition-normal);
}

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

.training-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.training-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.training-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.training-topics {
    background: var(--color-light);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
}

.training-topics h3 {
    margin-bottom: 25px;
}

.topics-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.topic-tag {
    padding: 10px 20px;
    background: var(--color-white);
    border: 1px solid var(--color-light-gray);
    border-radius: 25px;
    font-size: 0.9rem;
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.topic-tag:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* ===== Contact Section ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--color-white);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-primary-dark);
}

.contact-text strong {
    display: block;
    color: var(--color-white);
    margin-bottom: 5px;
}

.contact-text p {
    color: rgba(255, 255, 255, 0.8);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

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

.social-link svg {
    width: 20px;
    height: 20px;
    color: var(--color-white);
}

.social-link:hover svg {
    color: var(--color-primary-dark);
}

/* ===== Contact Form ===== */
.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    color: var(--color-white);
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.15);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 18px;
}

.form-group select option {
    background: var(--color-primary-dark);
    color: var(--color-white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-status {
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(72, 187, 120, 0.2);
    color: #48bb78;
    border: 1px solid rgba(72, 187, 120, 0.3);
}

.form-status.error {
    display: block;
    background: rgba(245, 101, 101, 0.2);
    color: #f56565;
    border: 1px solid rgba(245, 101, 101, 0.3);
}

/* ===== Footer ===== */
.footer {
    background: var(--color-dark);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 15px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.footer-bottom {
    padding: 25px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Mobile Responsive ===== */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .stat-card {
        flex: 1 1 calc(50% - 12px);
    }

    .publication-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .journal-placeholder {
        max-width: 300px;
        margin: 0 auto;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: var(--section-padding-mobile);
    }

    .nav-toggle {
        display: block;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--color-primary-dark);
        flex-direction: column;
        justify-content: flex-start;
        gap: 25px;
        padding-top: 250px;
        transition: right var(--transition-normal);
    }

    .nav-menu.active {
        right: 0;
    }

    /* Mobile menu logo */
    .nav-menu-logo {
        display: flex !important;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        gap: 10px;
        position: absolute;
        top: 30px;
        left: 50%;
        transform: translateX(-50%);
        width: 85%;
        padding-bottom: 25px;
    }

    .nav-menu-logo::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 100%;
        height: 1px;
        background: rgba(255, 255, 255, 0.2);
    }

    .nav-menu-logo > span {
        font-family: var(--font-heading);
        font-size: 1.6rem;
        font-weight: 700;
        color: var(--color-accent);
        letter-spacing: 3px;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    }

    .nav-logo-img-menu {
        width: 55px;
        height: 55px;
        filter: invert(1);
    }

    .nav-menu-institute-name {
        width: 100%;
        text-align: center;
        font-family: var(--font-heading);
        font-size: 0.85rem;
        font-weight: 400;
        color: rgba(255, 255, 255, 0.85);
        letter-spacing: 0.5px;
        margin-top: 5px;
        line-height: 1.5;
        padding: 0 10px;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
    }

    .lang-switcher-menu {
        position: static !important;
        transform: none !important;
        width: 100%;
        justify-content: center;
        margin-top: 15px;
    }

    .lang-switcher-menu .lang-btn {
        padding: 5px 8px;
        font-size: 0.7rem;
        min-width: 32px;
        border-color: rgba(255, 255, 255, 0.5) !important;
        color: var(--color-white) !important;
        background: transparent !important;
    }

    .lang-switcher-menu .lang-btn:hover {
        background: rgba(255, 255, 255, 0.1) !important;
        border-color: var(--color-white) !important;
    }

    .lang-switcher-menu .lang-btn.active {
        background: var(--color-accent) !important;
        border-color: var(--color-accent) !important;
        color: var(--color-primary-dark) !important;
    }

    .nav-link {
        color: var(--color-white) !important;
        font-size: 1.2rem;
    }

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

    .nav-link-cta {
        margin-top: 20px;
        background: var(--color-accent) !important;
        color: var(--color-primary-dark) !important;
    }

    .nav-link-cta:hover {
        background: var(--color-accent-light) !important;
    }

    /* Override scrolled state for mobile menu */
    .navbar.scrolled .nav-menu .nav-link {
        color: var(--color-white) !important;
    }

    .navbar.scrolled .nav-menu .nav-link:hover {
        color: var(--color-accent) !important;
    }

    .navbar.scrolled .nav-menu .nav-link-cta {
        background: var(--color-accent) !important;
        color: var(--color-primary-dark) !important;
    }

    .nav-toggle.active .hamburger {
        background: transparent;
    }

    .nav-toggle.active .hamburger::before {
        top: 0;
        transform: rotate(45deg);
        background: var(--color-white);
    }

    .nav-toggle.active .hamburger::after {
        top: 0;
        transform: rotate(-45deg);
        background: var(--color-white);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    .stat-card {
        flex: 1 1 100%;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .contact-form-wrapper {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .hero-logo-img {
        width: 100px;
        height: 100px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .area-card,
    .training-card {
        padding: 30px 20px;
    }

    .project-card {
        padding: 25px;
    }

    .project-number {
        font-size: 2.5rem;
        right: 20px;
    }
}

/* ===== Language Switcher ===== */
.lang-switcher {
    display: flex;
    gap: 4px;
    margin-right: 20px;
    order: 2;
}

.lang-btn {
    padding: 6px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: var(--color-white);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 38px;
    text-align: center;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

.lang-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-primary-dark);
}

.navbar.scrolled .lang-btn {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.navbar.scrolled .lang-btn:hover {
    background: rgba(26, 54, 93, 0.1);
}

.navbar.scrolled .lang-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-primary-dark);
}

/* Mobile Language Switcher */
@media (max-width: 768px) {
    .lang-switcher {
        position: absolute;
        right: 70px;
        top: 50%;
        transform: translateY(-50%);
        margin-right: 0;
        gap: 3px;
    }

    .lang-btn {
        padding: 4px 6px;
        font-size: 0.65rem;
        min-width: 32px;
    }
}

@media (max-width: 380px) {
    .lang-switcher {
        right: 60px;
    }

    .lang-btn {
        padding: 3px 5px;
        font-size: 0.6rem;
        min-width: 28px;
    }
}

/* ===== Hero Slider ===== */
.slider-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
}

.slide.active {
    opacity: 1;
    pointer-events: auto;
}

.slide-number {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.4;
    line-height: 1;
    margin-bottom: 10px;
}

.slider-nav {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 10;
}

.slider-btn {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--color-white);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
}

.slider-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-primary-dark);
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.slider-dot.active {
    background: var(--color-accent);
    transform: scale(1.4);
}

.hero-scroll {
    z-index: 10;
}

@media (max-width: 768px) {
    .slide-number {
        font-size: 3.5rem;
    }

    .slider-nav {
        bottom: 70px;
        gap: 15px;
    }

    .slider-btn {
        width: 38px;
        height: 38px;
        font-size: 1.5rem;
    }
}