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

:root {
    --primary-color: #1C4297 !important;
    --secondary-color: #f0f3fb !important;
    --accent-color: #1C4297 !important;
    --text-dark: #2c2c2c;
    --text-light: #6b7280;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-800: #1f2937;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

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

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


/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #f0f3fb 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e87532" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.6;
}

.hero-meta {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.meta-item i {
    color: var(--primary-color);
}

.hero-cta {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

.hero-visual {
    animation: fadeInRight 0.8s ease-out;
}

.visual-card {
    position: relative;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: rotate(5deg);
    transition: transform 0.3s ease;
}

.visual-card:hover {
    transform: rotate(0deg) scale(1.02);
}

.hero-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.visual-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}


@media (max-width: 767px) {
    .hero {
        padding: 80px 20px 60px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .hero-meta {
        flex-direction: column;
        gap: 15px;
        align-items: center;
        margin-bottom: 30px;
    }

    .hero-cta {
        flex-direction: column;
        gap: 10px;
        justify-content: center;
        align-items: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 12px;
    }

    .hero-visual {
        order: -1; /* move image above content if needed */
        animation: fadeInUp 0.8s ease-out;
    }

    .hero-image {
        height: 250px;
        border-radius: 12px;
    }

    .visual-card {
        transform: none;
        border-radius: 16px;
    }

    .visual-overlay {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--gray-50);
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Overview Grid */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.overview-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary-color);
}

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

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.5rem;
}

.overview-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.overview-card p {
    color: var(--text-light);
    line-height: 1.6;
}

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

.content-text h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.content-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 20px;
}

.research-poster {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 100px;
}

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

.poster-caption {
    padding: 20px;
    background: var(--secondary-color);
    text-align: center;
    font-weight: 500;
    color: var(--text-dark);
}

/* Findings Grid */
.findings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.finding-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.finding-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

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

.finding-icon {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 2rem;
    color: var(--primary-color);
}

.finding-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-align: center;
    color: var(--text-dark);
}

.finding-card p {
    color: var(--text-light);
    line-height: 1.6;
    text-align: center;
}

/* Impact Section */
.impact-content {
    max-width: 1000px;
    margin: 0 auto;
}

.impact-text h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-dark);
    text-align: center;
}

.impact-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 40px;
    text-align: center;
}

.award-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

.award-image {
    text-align: center;
}

.award-cert {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
}

.award-details h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.award-details ul {
    list-style: none;
}

.award-details li {
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-200);
    color: var(--text-light);
}

.award-details li:last-child {
    border-bottom: none;
}

.award-details strong {
    color: var(--primary-color);
    font-weight: 600;
}


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

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

/* Responsive Design */
@media (max-width: 768px) {


    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

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

    .hero-meta {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-cta {
        justify-content: center;
        flex-wrap: wrap;
    }

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

    .award-section {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .overview-grid,
    .findings-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 15px;
    }

    .section {
        padding: 60px 0;
    }
}

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

    .section-header h2 {
        font-size: 1.75rem;
    }

    .overview-card,
    .finding-card {
        padding: 30px 20px;
    }

    .award-section {
        padding: 30px 20px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus Styles for Accessibility */
.nav-link:focus,
.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .hero-cta,
    .footer {
        display: none;
    }
    
    .hero {
        padding: 20px 0;
    }
    
    .section {
        padding: 20px 0;
    }
}