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

:root {
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --primary-200: #bae6fd;
    --primary-300: #7dd3fc;
    --primary-400: #38bdf8;
    --primary-500: #0ea5e9;
    --primary-600: #0284c7;
    --primary-700: #0369a1;
    --primary-800: #075985;
    --primary-900: #0c4a6e;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --black: #000000;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Bahnschrift', 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--gray-800);
    background-color: var(--white);
    letter-spacing: 0.3px;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.navbar {
    background-color: var(--white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--gray-100);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    text-decoration: none;
    color: var(--gray-900);
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.85;
}

.logo i {
    font-size: 2rem;
    color: var(--white);
    background-color: var(--primary-600);
    padding: 0.5rem;
    border-radius: 0.5rem;
}

.logo-img {
    height: 45px;
    width: auto;
    object-fit: contain;
}

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

.logo-title {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: 0.5px;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--gray-500);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    align-items: center;
}

.nav-menu li a {
    text-decoration: none;
    color: var(--gray-700);
    padding: 0.625rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-menu li a:hover {
    color: var(--primary-600);
    background-color: var(--primary-50);
}

.nav-menu li a.active {
    color: var(--primary-700);
    background-color: var(--primary-100);
    font-weight: 600;
}

.btn-donate {
    background-color: var(--primary-600) !important;
    color: var(--white) !important;
    padding: 0.625rem 1.5rem !important;
    border-radius: 0.5rem;
    font-weight: 600;
    margin-left: 0.5rem;
    box-shadow: 0 2px 4px rgba(2, 132, 199, 0.2);
}

.btn-donate:hover {
    background-color: var(--primary-700) !important;
    box-shadow: 0 4px 8px rgba(2, 132, 199, 0.3);
    transform: translateY(-1px);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
}

.hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 50%, var(--primary-900) 100%);
    color: var(--white);
    padding: 6rem 0 5rem;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><path d="M0 0L50 50L0 100M50 0L100 50L50 100M100 0L100 100" stroke="rgba(255,255,255,0.05)" stroke-width="2" fill="none"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    animation: fadeInUp 1s ease;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: var(--primary-50);
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    font-weight: 400;
}

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

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    letter-spacing: 0.3px;
}

.btn-primary {
    background-color: var(--primary-600);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    background-color: var(--primary-700);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(2, 132, 199, 0.35);
}

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

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-700);
}

.btn-white {
    background-color: var(--white);
    color: var(--primary-700);
}

.btn-white:hover {
    background-color: var(--gray-100);
    transform: translateY(-2px);
}

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

.btn-outline-white:hover {
    background-color: var(--white);
    color: var(--primary-700);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.stats-section {
    padding: 5rem 0;
    background-color: var(--gray-50);
}

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

.stat-card {
    background-color: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-100);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-200);
}

.stat-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    background-color: var(--primary-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    font-size: 2rem;
    color: var(--primary-600);
}

.stat-number {
    font-size: 2.75rem;
    font-weight: 600;
    color: var(--primary-600);
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.stat-label {
    color: var(--gray-600);
    font-size: 1rem;
    font-weight: 500;
}

.about-section,
.programs-section {
    padding: 6rem 0;
}

.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

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

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    align-items: start;
}

.about-content h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--gray-900);
    letter-spacing: -0.3px;
    margin-bottom: 1.5rem;
}

.about-content p {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-card {
    background: linear-gradient(135deg, var(--primary-100) 0%, var(--primary-200) 100%);
    padding: 1.5rem;
    border-radius: 0.75rem;
    display: flex;
    gap: 1rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2);
}

.feature-icon {
    background-color: var(--primary-600);
    color: var(--white);
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 1.5rem;
}

.feature-content h4 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: var(--gray-700);
    font-size: 1rem;
}

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

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

.program-card {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-100);
}

.program-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-200);
}

.program-icon {
    width: 3.5rem;
    height: 3.5rem;
    background-color: var(--primary-100);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.program-icon i {
    font-size: 1.5rem;
    color: var(--primary-600);
}

.program-card h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
    letter-spacing: -0.2px;
}

.program-card p {
    color: var(--gray-600);
    line-height: 1.75;
    font-size: 1rem;
}

.cta-section {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    color: var(--white);
    padding: 5rem 0;
    margin: 4rem 0 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--primary-50);
    margin-bottom: 2.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    font-weight: 400;
}

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

.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: 4rem 0 1.5rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 1.5rem;
    color: var(--white);
    background-color: var(--primary-600);
    padding: 0.5rem;
    border-radius: 0.5rem;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.footer-logo .logo-title {
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 600;
}

.footer-logo .logo-subtitle {
    color: var(--gray-500);
    letter-spacing: 1px;
}

.footer-col p {
    margin-bottom: 1rem;
    line-height: 1.7;
    color: var(--gray-400);
    font-size: 0.95rem;
}

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

.social-links a {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--gray-800);
    color: var(--gray-300);
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary-600);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.footer-col ul li a:hover {
    color: var(--primary-300);
    padding-left: 0.5rem;
}

.contact-info li {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.contact-info li i {
    color: var(--primary-400);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 2rem;
    text-align: center;
    margin-top: 1rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    color: var(--gray-500);
    font-size: 0.9rem;
}

.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background-color: var(--primary-600);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.4);
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-to-top:hover {
    background-color: var(--primary-700);
    transform: translateY(-3px);
}

.scroll-to-top.show {
    display: flex;
}

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

.animate-fade-in {
    animation: fadeInUp 1s ease;
}

@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--gray-100);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li a {
        display: block;
        padding: 0.75rem 1rem;
    }

    .btn-donate {
        margin-left: 0 !important;
        margin-top: 0.5rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

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

    .about-section,
    .programs-section {
        padding: 4rem 0;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .hero {
        padding: 4rem 0 3rem;
    }

    .hero-title {
        font-size: 1.875rem;
    }

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

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

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

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

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

    .about-section,
    .programs-section {
        padding: 3rem 0;
    }

    .stats-section {
        padding: 3rem 0;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

    .cta-section {
        padding: 3rem 0;
    }

    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

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