/* CSS Reset and Variables */
:root {
    /* Primary Colors */
    --primary-blue: #1a5490;
    --primary-purple: #8b5cf6;
    --primary-green: #10b981;
    --primary-orange: #f59e0b;
    
    /* Gradient Colors */
    --gradient-blue: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-purple: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-green: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-orange: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    
    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-light: #6b7280;
    --text-white: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-light: #f8fafc;
    --bg-gradient-1: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
    --bg-gradient-2: linear-gradient(180deg, #faf5ff 0%, #ffffff 100%);
    --bg-gradient-3: linear-gradient(180deg, #ecfdf5 0%, #ffffff 100%);
    
    /* Border and Shadow */
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(26, 84, 144, 0.15);
    
    /* Transition */
    --transition: all 0.3s ease;
    
    /* Font Family */
    --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

body.scroll-smooth {
    scroll-behavior: smooth;
}

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

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.99);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 1.5rem;
    transition: var(--transition);
}

.logo a:hover {
    transform: scale(1.02);
}

.logo-icon {
    font-size: 0rem;
    width: 85px;
    height: 85px;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 5px;
    margin-right: 20px;
    background: var(--bg-light);
    padding: 4px;
    border-radius: 8px;
}

.lang-btn {
    padding: 6px 14px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.lang-btn:hover {
    background: rgba(26, 84, 144, 0.1);
}

.lang-btn.active {
    background: var(--primary-blue);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.mobile-menu-toggle:hover {
    background: var(--bg-light);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary-blue);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Navigation */
.main-navigation {
    display: flex;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-blue);
    transition: var(--transition);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a:hover {
    color: var(--primary-blue);
}

.nav-menu a.active {
    color: var(--primary-blue);
    font-weight: 600;
}

/* Hero Carousel Section */
.hero-carousel {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    margin-top: 0;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
}

.carousel-content {
    text-align: center;
    color: var(--text-white);
    max-width: 900px;
    padding: 0 20px;
    z-index: 10;
}

.carousel-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.5px;
}

.carousel-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 40px;
    opacity: 0.95;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.carousel-title2 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 1px 4px rgba(255, 255, 255, 0.15);
	color: var(--primary-blue);
    letter-spacing: -0.5px;
}

.carousel-subtitle2 {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 40px;
    opacity: 0.95;
	color: var(--primary-blue);
    text-shadow: 0 1px 4px rgba(255, 255, 255, 0.15);
}

.carousel-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 20;
}

.indicator {
    width: 12px;
    height: 12px;
    border: 2px solid var(--text-white);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0.7;
}

.indicator:hover {
    opacity: 1;
    transform: scale(1.1);
}

.indicator.active {
    background: var(--text-white);
    width: 36px;
    border-radius: 6px;
    opacity: 1;
}

/* Carousel Navigation */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--text-white);
    font-size: 3rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 20;
}

.carousel-nav:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.carousel-nav.prev {
    left: 30px;
}

.carousel-nav.next {
    right: 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--text-white);
    color: var(--primary-blue);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
}

.btn-white {
    background: transparent;
    color: var(--text-white);
    border-color: var(--text-white);
}

.btn-white:hover {
    background: var(--text-white);
    color: var(--primary-blue);
    transform: translateY(-3px);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

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

.btn-submit {
    background: var(--gradient-blue);
    color: var(--text-white);
    border: none;
    padding: 15px 40px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

/* Section Styles */
section {
    padding: 100px 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--gradient-blue);
    margin: 0 auto 20px;
    border-radius: 2px;
}

.section-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* About Section */
.about-section {
    background: var(--bg-gradient-1);
}

.about-content {
/*    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start; */
}

.about-main {
    /* display: grid; */
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-image {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

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

.about-text p {
    margin-bottom: 25px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
}

.lead-paragraph {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 25px;
    line-height: 1.7;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.stat-item {
    text-align: center;
    padding: 35px 25px;
    background: var(--bg-primary);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 10px;
    line-height: 1;
}

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

/* Business Section */
.business-section {
    background: var(--bg-gradient-3);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.business-card {
    background: var(--bg-primary);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
}

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

.card-image {
    height: 200px;
    overflow: hidden;
    position: relative;
	margin-bottom: 15px;
}

.card-image svg {
    width: 100%;
    height: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.business-card:hover .card-image svg {
    transform: scale(1.1);
}

.card-icon {
    font-size: 3rem;
    margin: 20px 0 15px;
    position: relative;
    z-index: 1;
}

.card-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    padding: 0 15px;
}

.business-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    padding: 0 15px 20px;
    font-size: 0.95rem;
}

/* Postdoc Section */
.postdoc-section {
    background: var(--bg-gradient-2);
}

.postdoc-content {
    display: grid;
    gap: 50px;
}

.postdoc-intro {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-purple);
    border: 1px solid var(--border-color);
}

.postdoc-intro .lead-paragraph {
    /* color: var(--primary-purple); */
    /* background: var(--gradient-purple); */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.postdoc-features {
    background: var(--bg-primary);
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.features-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 40px;
    text-align: center;
}

.feature-item {
    display: flex;
    gap: 25px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

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

.feature-icon {
    font-size: 3rem;
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 50%;
}

.feature-content h4 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

.mission-vision {
    background: var(--gradient-blue);
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    color: var(--text-white);
}

.mv-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 25px;
    text-align: center;
}

.mission-vision p {
    color: var(--text-white);
    line-height: 1.8;
    font-size: 1.1rem;
    opacity: 0.95;
}

/* Contact Section */
.contact-section {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 30px;
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.contact-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
    border-left: 4px solid var(--primary-green);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-details p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-form {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(26, 84, 144, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
.site-footer {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1e3a8a 100%);
    color: var(--text-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-white);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    padding: 5px 0;
}

.footer-links a:hover {
    color: var(--text-white);
    padding-left: 8px;
    text-decoration: underline;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-links a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: var(--transition);
    padding: 8px 0;
}

.social-links a:hover {
    color: var(--text-white);
    padding-left: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

.slide-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .carousel-title {
        font-size: 2.5rem;
    }
    
    .carousel-subtitle {
        font-size: 1.2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-main {
        grid-template-columns: 1fr;
    }
    
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .carousel-nav {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }
    
    .carousel-nav.prev {
        left: 15px;
    }
    
    .carousel-nav.next {
        right: 15px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-navigation {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 999;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .main-navigation.active {
        transform: translateY(0);
    }
    
    .nav-menu {
        flex-direction: column;
        padding: 20px;
        gap: 10px;
    }
    
    .nav-menu a {
        padding: 12px 16px;
        display: block;
        border-radius: 8px;
    }
    
    .nav-menu a:hover {
        background: var(--bg-light);
    }
    
    .carousel-title {
        font-size: 2rem;
    }
    
    .carousel-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-icon {
        margin: 0 auto 20px;
    }
    
    .language-switcher {
        margin-right: 10px;
    }
    
    .lang-btn {
        padding: 5px 12px;
        font-size: 0.8rem;
    }
    
    .carousel-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .carousel-nav {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-carousel {
        min-height: 500px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .carousel-title {
        font-size: 1.75rem;
    }
    
    .carousel-subtitle {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .business-card,
    .contact-form,
    .postdoc-intro,
    .postdoc-features {
        padding: 25px 20px;
    }
    
    .mission-vision {
        padding: 30px 20px;
    }
    
    .carousel-indicators {
        bottom: 20px;
    }
    
    .indicator {
        width: 10px;
        height: 10px;
    }
    
    .indicator.active {
        width: 30px;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Print Styles */
@media print {
    .site-header,
    .hero-carousel,
    .contact-section,
    .site-footer {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
}