/* ====================================
   Research Benchers Group - Professional Styles
   ==================================== */

/* ========== CSS Variables ========== */
:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --accent-color: #ec4899;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --light-bg: #1e293b;
    --text-light: #f8fafc;
    --text-gray: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1e1b4b 50%, var(--darker-bg) 100%);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

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

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

/* ========== Container ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========== Header & Navigation ========== */
.header {
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(148, 163, 184, 0.15);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.75rem 2rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    align-self: flex-start;
}

.logo-img {
    width: 70px;
    height: 70px;
    object-fit: contain;
    background: white;
    border-radius: 8px;
    padding: 2px;
}

.logo-text {
    font-size: 0.85rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
    text-align: center;
}

.nav-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    width: 100%;
    justify-content: flex-end;
    align-items: center;
}

.nav-menu a {
    color: var(--text-gray);
    font-weight: 600;
    padding: 0.4rem 0.85rem;
    border-radius: 6px;
    transition: var(--transition);
    white-space: nowrap;
    font-size: 0.75rem;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.5s ease;
}

.nav-menu a:hover::before {
    left: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(124, 58, 237, 0.25));
    border-color: rgba(37, 99, 235, 0.5);
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3), 
                inset 0 1px 2px rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.nav-menu a.active {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.35), rgba(124, 58, 237, 0.35));
    border-color: rgba(37, 99, 235, 0.7);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4),
                inset 0 0 20px rgba(37, 99, 235, 0.1);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff, var(--text-gray));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

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

/* ========== Buttons ========== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: var(--light-bg);
    color: var(--text-light);
    border-color: var(--border-color);
}

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

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* ========== Sections ========== */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--text-light), var(--text-gray));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
    border-bottom: 1px solid var(--border-color);
    padding: 4rem 0;
    text-align: center;
}

.page-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
}

/* ========== Mission Section ========== */
.mission {
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(10px);
}

.mission-text {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.25rem;
    text-align: center;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ========== Features Grid ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.feature-description {
    color: var(--text-gray);
}

/* ========== Statistics ========== */
.stats {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-gray);
    font-size: 1.125rem;
}

/* ========== Research Cards ========== */
.research-grid,
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.research-card,
.article-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
}

.research-card:hover,
.article-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
}

.research-category,
.article-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.research-category.technology,
.article-category.technology {
    background: rgba(37, 99, 235, 0.2);
    color: #60a5fa;
}

.research-category.environment,
.article-category.environment {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.research-category.social-sciences,
.article-category.social-sciences {
    background: rgba(236, 72, 153, 0.2);
    color: #f472b6;
}

.research-category.healthcare,
.article-category.healthcare {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.research-category.education,
.article-category.education {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.research-category.business,
.article-category.business {
    background: rgba(124, 58, 237, 0.2);
    color: #a78bfa;
}

.research-title,
.article-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.research-excerpt,
.article-abstract {
    color: var(--text-gray);
    margin-bottom: 1rem;
}

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

.article-date {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.article-authors {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.article-tags,
.profile-tags,
.member-expertise {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tag,
.expertise-tag,
.topic-tag {
    padding: 0.25rem 0.75rem;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-gray);
}

.article-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

/* ========== Board Members ========== */
.board-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.board-member {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.board-member:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
}

.board-member.featured {
    grid-column: 1 / -1;
    max-width: 600px;
    margin: 0 auto;
}

.board-member.compact {
    padding: 1.5rem;
}

.member-photo {
    margin-bottom: 1rem;
}

.placeholder-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto;
}

.member-name,
.profile-name {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.member-title,
.member-affiliation,
.profile-position,
.profile-institution {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.member-bio,
.profile-bio {
    color: var(--text-gray);
    margin: 1rem 0;
}

/* ========== Focus Areas ========== */
.focus-areas-content {
    max-width: 1000px;
    margin: 0 auto;
}

.focus-area {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.focus-area:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(37, 99, 235, 0.15);
}

.focus-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.focus-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.focus-description {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.focus-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* ========== Profiles ========== */
.profiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.profile-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.profile-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
}

.profile-photo {
    margin-bottom: 1rem;
}

.profile-stats {
    display: flex;
    justify-content: space-around;
    margin: 1.5rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========== Forms ========== */
.search-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.search-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-light);
    font-size: 1rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-btn {
    padding: 0.875rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.filter-controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-select {
    padding: 0.75rem 1rem;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-light);
    font-size: 0.875rem;
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Contact & Referral Forms */
.contact-form,
.referral-form {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-child {
    border-bottom: none;
}

.form-section-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-light);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* ========== Timeline ========== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 2rem auto;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 100px;
}

.timeline-content {
    flex: 1;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.timeline-content p {
    color: var(--text-gray);
}

/* ========== Process Steps ========== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.process-step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.step-description {
    color: var(--text-gray);
    font-size: 0.875rem;
}

.process-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.timeline-step {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.step-marker {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

/* ========== Values & Benefits ========== */
.values-grid,
.benefits-grid,
.criteria-grid,
.standards-grid,
.responsibilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.value-card,
.benefit-card,
.criteria-card,
.standard-card,
.responsibility-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
}

.value-card:hover,
.benefit-card:hover,
.criteria-card:hover,
.standard-card:hover,
.responsibility-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
}

.value-title,
.benefit-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.criteria-card h3,
.standard-card h3,
.responsibility-card h3 {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.criteria-card ul {
    list-style: none;
    padding-left: 0;
}

.criteria-card li {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.criteria-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
}

/* ========== Impact Section ========== */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.impact-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.impact-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

/* ========== Contact Page ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.info-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.info-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.info-title {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.info-detail {
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.info-note {
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

.social-link {
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius);
    color: var(--primary-color);
    font-size: 0.875rem;
    transition: var(--transition);
}

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

.office-hours {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.departments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.department-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
}

.department-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.department-name {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.department-head,
.department-email {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.department-description {
    color: var(--text-gray);
    font-size: 0.875rem;
}

/* ========== CTA Section ========== */
.cta {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(124, 58, 237, 0.2));
    text-align: center;
    border-radius: var(--radius);
    padding: 4rem 2rem;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== Pagination ========== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination-btn {
    padding: 0.75rem 1.25rem;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.pagination-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========== FAQ Section ========== */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.faq-question {
    color: var(--text-light);
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

.faq-answer {
    color: var(--text-gray);
}

/* ========== Misc Sections ========== */
.content-section {
    margin-bottom: 3rem;
}

.content-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.content-text {
    color: var(--text-gray);
    font-size: 1.125rem;
    line-height: 1.8;
}

.mission-list {
    list-style: none;
    padding-left: 0;
}

.mission-list li {
    color: var(--text-gray);
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.mission-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.intro-text {
    max-width: 900px;
    margin: 0 auto 3rem;
    font-size: 1.125rem;
    color: var(--text-gray);
    text-align: center;
}

.form-intro {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.submit-research {
    background: rgba(30, 41, 59, 0.5);
}

.submit-box {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.submit-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.submit-text {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.map-placeholder {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 4rem 2rem;
    text-align: center;
}

.map-placeholder p {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

/* ========== Footer ========== */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem;
    margin-top: 5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-heading {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.footer-text {
    color: var(--text-gray);
    font-size: 0.875rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-gray);
    font-size: 0.875rem;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 0.5rem;
        grid-template-columns: repeat(4, auto);
    }
    
    .nav-menu a {
        padding: 0.5rem;
        font-size: 0.875rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-bg);
        flex-direction: column;
        padding: 1rem;
        display: none;
        border-top: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .features-grid,
    .stats-grid,
    .research-grid,
    .board-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .hero {
        padding: 3rem 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    section {
        padding: 3rem 0;
    }
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }