* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary-color: #6b46c1;
    --primary-dark: #553c9a;
    --secondary-color: #d97706;
    --accent-color: #ec4899;
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --bg-light: #faf5ff;
    --bg-white: #ffffff;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; line-height: 1.7; color: var(--text-dark); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Navigation */
.navbar { background: white; box-shadow: var(--shadow-md); position: sticky; top: 0; z-index: 1000; border-bottom: 3px solid var(--primary-color); }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; }
.logo { font-size: 20px; font-weight: 700; color: var(--primary-color); text-decoration: none; }
.nav-menu { display: flex; list-style: none; gap: 32px; }
.nav-menu a { color: var(--text-dark); text-decoration: none; font-weight: 500; font-size: 15px; transition: color 0.3s; position: relative; }
.nav-menu a::after { content: ''; position: absolute; bottom: -6px; left: 0; width: 0; height: 3px; background: var(--primary-color); transition: width 0.3s; }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.nav-menu a:hover, .nav-menu a.active { color: var(--primary-color); }
.mobile-menu-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 8px; }
.mobile-menu-toggle span { display: block; width: 24px; height: 2px; background: var(--primary-color); }

/* Hero */
.hero { position: relative; min-height: 600px; display: flex; align-items: center; color: white; overflow: hidden; }
.hero-background { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.hero-background img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(135deg, rgba(107, 70, 193, 0.88) 0%, rgba(217, 119, 6, 0.75) 100%); z-index: 2; }
.hero-content { position: relative; z-index: 3; text-align: center; max-width: 850px; padding: 80px 0; margin: 0 auto; }
.hero-title { font-size: 52px; font-weight: 800; margin-bottom: 24px; line-height: 1.15; animation: fadeInUp 0.8s ease; }
.hero-subtitle { font-size: 19px; margin-bottom: 40px; opacity: 0.96; animation: fadeInUp 0.8s ease 0.2s backwards; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; animation: fadeInUp 0.8s ease 0.4s backwards; }

/* Buttons */
.btn { display: inline-block; padding: 14px 32px; font-size: 16px; font-weight: 600; text-decoration: none; border-radius: 8px; transition: all 0.3s; border: none; }
.btn-primary { background: var(--secondary-color); color: white; }
.btn-primary:hover { background: #b45309; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-secondary { background: rgba(255, 255, 255, 0.2); color: white; }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.3); transform: translateY(-2px); }
.btn-light { background: white; color: var(--primary-color); }
.btn-light:hover { background: var(--bg-light); transform: translateY(-2px); }
.btn-outline { background: transparent; color: white; border: 2px solid white; }
.btn-outline:hover { background: white; color: var(--primary-color); transform: translateY(-2px); }

/* Sections */
section { padding: 80px 0; }
.section-header { text-align: center; max-width: 750px; margin: 0 auto 60px; }
.section-header h2 { font-size: 40px; font-weight: 800; color: var(--text-dark); margin-bottom: 16px; }
.section-subtitle { font-size: 18px; color: var(--text-medium); }

/* Mission */
.mission { background: var(--bg-light); }
.mission-text { font-size: 18px; line-height: 1.9; color: var(--text-medium); text-align: center; max-width: 850px; margin: 0 auto; }

/* Disciplines/Cards */
.disciplines-grid, .help-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 32px; }
.discipline-card { background: white; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-md); transition: all 0.3s; }
.discipline-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.discipline-image { width: 100%; height: 240px; overflow: hidden; }
.discipline-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.discipline-card:hover .discipline-image img { transform: scale(1.08); }
.discipline-content { padding: 32px; }
.discipline-content h3 { font-size: 24px; font-weight: 700; margin-bottom: 14px; }
.discipline-content p { color: var(--text-medium); margin-bottom: 20px; }
.link-arrow { color: var(--primary-color); font-weight: 600; text-decoration: none; transition: all 0.3s; display: inline-block; }
.link-arrow:hover { color: var(--primary-dark); transform: translateX(4px); }

/* Impact */
.impact { background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%); color: white; }
.impact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 48px; text-align: center; }
.stat-number { font-size: 48px; font-weight: 800; margin-bottom: 10px; }
.stat-label { font-size: 18px; opacity: 0.94; }

/* Who We Help */
.who-we-help { background: white; }
.help-grid { gap: 28px; }
.help-item { background: var(--bg-light); padding: 36px; border-radius: 12px; border-top: 4px solid var(--primary-color); transition: all 0.3s; }
.help-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.help-item h3 { font-size: 22px; font-weight: 700; color: var(--primary-color); margin-bottom: 14px; }
.help-item p { color: var(--text-medium); line-height: 1.7; }

/* CTA */
.cta { background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%); color: white; text-align: center; }
.cta-content h2 { font-size: 40px; font-weight: 800; margin-bottom: 16px; }
.cta-content p { font-size: 18px; margin-bottom: 32px; opacity: 0.96; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.footer { background: var(--text-dark); color: white; padding: 60px 0 24px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-col h4 { font-size: 18px; font-weight: 700; margin-bottom: 16px; color: var(--secondary-color); }
.footer-col p { color: rgba(255, 255, 255, 0.82); line-height: 1.7; font-size: 15px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { color: rgba(255, 255, 255, 0.82); text-decoration: none; transition: color 0.3s; font-size: 15px; }
.footer-col ul a:hover { color: white; }
.contact-list li { color: rgba(255, 255, 255, 0.82); font-size: 15px; }
.charity-status { margin-top: 12px; font-size: 14px; color: var(--accent-color); font-weight: 600; }
.footer-bottom { text-align: center; padding-top: 32px; border-top: 1px solid rgba(255, 255, 255, 0.15); }
.footer-bottom p { color: rgba(255, 255, 255, 0.65); font-size: 14px; }

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

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle { display: flex; }
    .nav-menu { position: fixed; top: 66px; left: -100%; width: 100%; height: calc(100vh - 66px); background: white; flex-direction: column; padding: 40px 24px; gap: 24px; transition: left 0.3s; box-shadow: var(--shadow-lg); align-items: flex-start; }
    .nav-menu.active { left: 0; }
    .hero-title { font-size: 38px; }
    .hero-subtitle { font-size: 17px; }
    section { padding: 60px 0; }
}