/* Root Variables */
:root {
    --primary-green: #1e4620;
    --secondary-green: #2d5f2e;
    --accent-green: #4a7c59;
    --light-green: #e8f5e9;
    --accent-gold: #d4af37;
    --accent-orange: #ff8c42;
    --text-dark: #1a1a1a;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    --bg-light: #f9fafb;
    --bg-dark: #111827;
    --white: #ffffff;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.about-hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(76, 175, 80, 0.15) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(33, 150, 243, 0.15) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(2px 2px at 20% 30%, white, transparent), radial-gradient(2px 2px at 60% 70%, white, transparent), radial-gradient(1px 1px at 50% 50%, white, transparent), radial-gradient(1px 1px at 80% 10%, white, transparent), radial-gradient(2px 2px at 90% 60%, white, transparent);
    background-size: 200% 200%;
    animation: particle-float 20s ease-in-out infinite;
    opacity: 0.4;
}

@keyframes particle-float {
    0%, 100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(20px, 20px);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 900px;
    padding: 20px 24px;
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    opacity: 0.9;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-top: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, #ffd700 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 25px;
}

    .scroll-indicator span {
        position: absolute;
        top: 10px;
        left: 50%;
        transform: translateX(-50%);
        width: 6px;
        height: 6px;
        background: white;
        border-radius: 50%;
        animation: scroll-down 2s infinite;
    }

@keyframes scroll-down {
    0% {
        top: 10px;
        opacity: 1;
    }

    100% {
        top: 30px;
        opacity: 0;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Quick Info Banner */
.quick-info-banner {
    background: var(--white);
    border-bottom: 1px solid #e5e7eb;
    box-shadow: var(--shadow-sm);
/*    position: sticky;*/
    top: 0;
    z-index: 100;
}

.info-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 24px 0;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.info-text {
    display: flex;
    flex-direction: column;
}

    .info-text strong {
        font-size: 0.875rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 4px;
    }

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

/* Section Labels & Titles */
.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: var(--light-green);
    color: var(--primary-green);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 6px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

    .section-label.light {
        background: rgba(255, 255, 255, 0.15);
        color: var(--white);
    }

.section-title-center {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-title-left {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-dark);
}

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

.section-description {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 60px;
}

/* About Detailed Section */
.about-detailed {
    padding: 120px 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image-section {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.main-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

.image-overlay-card {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 24px 32px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-md);
}

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

.overlay-text strong {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
}

.overlay-text span {
    font-size: 0.875rem;
    color: var(--text-light);
}

.secondary-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

    .secondary-images img {
        width: 100%;
        height: 180px;
        object-fit: cover;
        border-radius: 16px;
        box-shadow: var(--shadow-md);
        transition: var(--transition);
    }

        .secondary-images img:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

.about-text-section {
}

.lead-paragraph {
    font-size: 1.375rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 24px;
    font-weight: 500;
}

.description-text {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--text-light);
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--text-dark);
}

.feature-icon {
    width: 28px;
    height: 28px;
    background: var(--primary-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* Mission Vision Values */
.mission-vision-values {
    padding: 120px 0;
    background: var(--bg-light);
}

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

.mvv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.mvv-card {
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

    .mvv-card:hover {
        transform: translateY(-12px);
        box-shadow: var(--shadow-xl);
    }

.mvv-image {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
}

    .mvv-image::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.4) 100%);
    }

.mvv-content {
    padding: 40px;
}

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

.mvv-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.mvv-card p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
}

/* Research Domains */
.research-domains {
    padding: 120px 0;
    background: var(--white);
}

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

.domains-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.domain-card {
    position: relative;
    height: 400px;
    border-radius: 24px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    transition: var(--transition);
    cursor: pointer;
}

    .domain-card::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.8) 100%);
        transition: var(--transition);
    }

    .domain-card:hover::before {
        background: linear-gradient(to bottom, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.9) 100%);
    }

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

.domain-content {
    position: relative;
    z-index: 2;
    height: 100%;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: var(--white);
}

.domain-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
}

.domain-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.domain-content p {
    font-size: 1rem;
    line-height: 1.6;
    opacity: 0.95;
    margin-bottom: 16px;
}

.domain-stats {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Infrastructure Excellence */
.infrastructure-excellence {
    padding: 120px 0;
    background: var(--bg-light);
}

.infra-header {
    margin-bottom: 60px;
}

.infra-description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin-top: 16px;
}

.infra-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.infra-card {
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.infra-image {
    height: 250px;
    background-size: cover;
    background-position: center;
}

.infra-content {
    padding: 40px;
}

.infra-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.infra-content h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.infra-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 24px;
}

.infra-features {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

    .infra-features li {
        padding: 8px 16px;
        background: var(--light-green);
        color: var(--primary-green);
        border-radius: 50px;
        font-size: 0.875rem;
        font-weight: 600;
    }

/* Impact Statistics */
.impact-statistics {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

    .impact-statistics::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><circle cx="100" cy="100" r="120" fill="rgba(255,255,255,0.03)"/><circle cx="1000" cy="400" r="150" fill="rgba(255,255,255,0.03)"/></svg>');
    }

.impact-content {
    position: relative;
    z-index: 2;
}

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

.impact-description {
    font-size: 1.125rem;
    max-width: 800px;
    margin: 16px auto 0;
    opacity: 0.95;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: var(--transition);
}

    .stat-card:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: rgba(255, 255, 255, 0.4);
        transform: translateY(-8px);
    }

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

    .stat-card .stat-number {
        font-size: 4rem;
        font-weight: 800;
        margin-bottom: 12px;
        background: linear-gradient(135deg, var(--accent-gold) 0%, #ffd700 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

        .stat-card .stat-number::after {
            content: '+';
            margin-left: 4px;
        }

    .stat-card .stat-label {
        font-size: 1.25rem;
        font-weight: 700;
        margin-bottom: 8px;
    }

    .stat-card .stat-description {
        font-size: 0.875rem;
        opacity: 0.85;
    }

/* Contact Section */
.contact-section {
    padding: 120px 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-top: 16px;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.contact-text strong {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.contact-text p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
}

.map-placeholder {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 100%;
    min-height: 500px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3.5rem;
    }

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

@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-stats {
        gap: 24px;
    }

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

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

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

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

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

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

@media (max-width: 768px) {
    .about-hero {
        height: 80vh;
        min-height: 600px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 32px;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .info-items {
        grid-template-columns: 1fr;
    }

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

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

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

    section,
    .about-detailed,
    .mission-vision-values,
    .research-domains,
    .infrastructure-excellence,
    .impact-statistics,
    .contact-section {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .section-title-center,
    .section-title-left {
        font-size: 1.75rem;
    }

    .lead-paragraph {
        font-size: 1.125rem;
    }

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

    .mvv-content,
    .infra-content {
        padding: 30px;
    }

    .stat-card {
        padding: 30px;
    }

        .stat-card .stat-number {
            font-size: 3rem;
        }
}