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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
}

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

.btn-secondary {
    background: white;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: #2563eb;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #2563eb;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    color: #1e293b;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 6rem;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
}

/* Mission Section */
.mission {
    padding: 80px 0;
    background: white;
}

.mission-content {
    text-align: center;
}

.mission-content p {
    font-size: 1.25rem;
    color: #64748b;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.mission-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pillar {
    padding: 2rem;
    background: #f8fafc;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.3s ease;
}

.pillar:hover {
    transform: translateY(-5px);
}

.pillar i {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.pillar h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.pillar p {
    color: #64748b;
    font-size: 1rem;
}

/* About Section */
.about {
    padding: 80px 0;
    background: #f8fafc;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    color: #1e293b;
}

.about-text p {
    color: #64748b;
    font-size: 1.1rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: #2563eb;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: #64748b;
    font-weight: 500;
}

/* Projects Section */
.projects {
    padding: 80px 0;
    background: white;
}

.projects h2 {
    text-align: center;
    color: #1e293b;
    margin-bottom: 3rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.project-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.project-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.project-card p {
    color: #64748b;
    margin-bottom: 1.5rem;
}

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

.project-card li {
    padding: 0.5rem 0;
    color: #64748b;
    position: relative;
    padding-left: 1.5rem;
}

.project-card li::before {
    content: "•";
    color: #2563eb;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Get Involved Section */
.get-involved {
    padding: 80px 0;
    background: #f8fafc;
}

.get-involved h2 {
    text-align: center;
    color: #1e293b;
    margin-bottom: 1rem;
}

.section-intro {
    text-align: center;
    font-size: 1.25rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto 3rem;
}

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

.involvement-column {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.involvement-column:hover {
    transform: translateY(-5px);
}

.column-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

.involvement-column h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.involvement-column p {
    color: #64748b;
    margin-bottom: 2rem;
}

/* Survey Section */
.survey {
    padding: 80px 0;
    background: white;
}

.survey-content {
    text-align: center;
}

.survey-content h2 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.survey-content p {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 3rem;
}

.survey-link {
    max-width: 600px;
    margin: 0 auto 2rem;
    text-align: center;
}

.survey-btn {
    font-size: 1.25rem;
    padding: 20px 40px;
    margin-bottom: 2rem;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.survey-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.4);
}

.survey-btn i {
    font-size: 1.5rem;
}

.survey-description {
    font-size: 1.1rem;
    color: #64748b;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    color: white;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: #cbd5e1;
}

.footer-links {
    display: flex;
    gap: 2rem;
    justify-content: flex-end;
    align-items: center;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #94a3b8;
    margin: 0;
}

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

    .nav-menu {
        display: none;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-graphic {
        width: 200px;
        height: 200px;
        font-size: 4rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    .mission-pillars {
        grid-template-columns: 1fr;
    }

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

    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .project-card,
    .involvement-column {
        padding: 1.5rem;
    }
}

/* Smooth animations */
.project-card,
.involvement-column,
.pillar {
    animation: fadeInUp 0.6s ease-out;
}

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

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states for accessibility */
.btn:focus,
.nav-menu a:focus,
.footer-links a:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}