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

:root {
    --primary-color: #ea3a60;
    --secondary-color: #227bc3;
    --accent-color: #0986c0;
    --text-color: #1f2732;
    --text-light: #333333;
    --bg-color: #ffffff;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-color);
    line-height: 1.65;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    line-height: 1.2;
}

p {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-light);
}

.container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand h1 {
    font-size: 30px;
    color: #ffffff;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
}

.nav-menu a {
    text-decoration: none;
    color: #ffffff;
    font-weight: 500;
    padding: 10px;
    text-transform: uppercase;
    transition: color 0.3s ease;
    display: block;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: left;
    overflow: hidden;
    margin-top: 70px;
    background: linear-gradient(135deg, #227bc3 0%, #e44993 100%);
    background-image: url('https://web.archive.org/web/20250814171609im_/https://cmebgroup.com/wp-content/uploads/2023/10/header-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    max-width: 650px;
    padding: 100px 0;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 30px;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

.hero-divider {
    width: 16%;
    height: 3px;
    background: var(--primary-color);
    margin: 10px 0;
}

.hero-description {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: #ffffff;
}

.btn {
    display: inline-block;
    padding: 12.5px 25px;
    border-radius: 0;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.4s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
    text-transform: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #000000;
    transform: translateY(-2px);
}

/* Stats Section */
.stats {
    background: var(--primary-color);
    padding: 15px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-item {
    color: #ffffff;
}

.stat-number {
    font-family: 'Poppins', sans-serif;
    font-size: 50px;
    font-weight: 500;
    color: #000000;
    line-height: 1.4;
}

.stat-number span {
    font-size: 50px;
}

.stat-label {
    font-size: 16px;
    text-transform: uppercase;
    color: #ffffff;
    margin-top: 0.5rem;
    line-height: 1.6;
}

/* Interest Section */
.interest {
    padding: 80px 0;
    background: var(--bg-color);
}

.section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.content-text h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 45px;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.divider {
    width: 20%;
    height: 3px;
    background: var(--primary-color);
    margin: 10px 0 20px 0;
}

.content-text p {
    font-size: 16px;
    line-height: 1.65;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.content-image img {
    width: 100%;
    height: auto;
    border-radius: 0;
}

/* About Prof Section */
.about-prof {
    padding: 60px 0;
    background: var(--bg-light);
}

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

.section-header h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 30px;
    font-weight: 800;
    color: var(--text-color);
    text-transform: uppercase;
    margin: 10px 0;
}

.divider-small {
    width: 9%;
    height: 2px;
    background: #ff497c;
    margin: 10px 0;
}

.prof-content {
    display: grid;
    grid-template-columns: 50% 45%;
    gap: 3rem;
    align-items: start;
}

.prof-image-section img {
    width: 100%;
    max-width: 400px;
    height: auto;
    margin-bottom: 1rem;
}

.prof-title,
.prof-position {
    font-family: 'Poppins', sans-serif;
    font-size: 15px;
    font-weight: 400;
    color: var(--text-color);
    line-height: 1.65;
    margin-bottom: 0.5rem;
}

.prof-text-section {
    background: #ffffff;
    padding: 0 15px;
}

.prof-text-section p {
    font-family: 'Poppins', sans-serif;
    font-size: 15px;
    font-weight: 400;
    color: var(--text-color);
    line-height: 1.65;
    margin-bottom: 1rem;
}

/* Research Interest Section */
.research-interest {
    padding: 80px 0;
    background: var(--bg-color);
}

.research-themes {
    list-style: none;
    margin: 1.5rem 0;
    padding-left: 0;
}

.research-themes li {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    padding-left: 0;
}

/* Members Section */
.members {
    padding: 100px 0 60px 0;
    background: var(--bg-color);
}

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

.section-header-center h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 45px;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.divider-center {
    width: 10%;
    height: 3px;
    background: var(--primary-color);
    margin: 10px auto;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.member-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 0;
    transition: all 0.3s ease;
}

.member-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.member-card img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
}

.member-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
    font-weight: 600;
}

.member-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 25px;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.member-role {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 1rem;
    font-weight: 600;
}

.member-bio {
    font-family: 'Open Sans', sans-serif;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--bg-color);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-color);
    font-weight: 700;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.contact-details {
    margin-top: 2rem;
}

.contact-details p {
    margin-bottom: 0.5rem;
}

.contact-form {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 0;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: #171717;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.footer p {
    color: #ffffff;
    margin-bottom: 0.5rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

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

    .hero-content {
        padding: 60px 20px;
    }

    .hero-subtitle {
        font-size: 25px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

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

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

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

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

    .content-text h2,
    .section-header-center h2 {
        font-size: 35px;
    }
}

@media (max-width: 480px) {
    .hero-subtitle {
        font-size: 22px;
    }

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

    .content-text h2,
    .section-header-center h2 {
        font-size: 30px;
    }

    .section-title {
        font-size: 2rem;
    }
}