* { margin: 0; padding: 0; box-sizing: border-box; }
img { max-width: 100%; height: auto; display: block; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: #333; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.skip-link { position: absolute; top: -40px; left: 0; background: #007a3e; color: white; padding: 8px 16px; z-index: 1000; transition: top 0.3s; }
.skip-link:focus { top: 0; }

.top-bar { background: #222; color: #fff; padding: 8px 0; font-size: 14px; }
.top-bar a { color: #fff; margin-right: 20px; transition: opacity 0.3s; }
.top-bar a:hover { opacity: 0.8; }

header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; }
.logo a { display: flex; align-items: center; gap: 12px; }
.logo img { height: 45px; }
.logo-text { font-weight: 700; font-size: 20px; color: #007a3e; }
.logo-text small { display: block; font-size: 11px; color: #666; font-weight: 400; }

nav ul { display: flex; list-style: none; gap: 30px; }
nav a { color: #333; font-weight: 500; padding: 5px 0; transition: color 0.3s; }
nav a:hover, nav a.active { color: #007a3e; }

.mobile-menu-btn { display: none; flex-direction: column; background: none; border: none; cursor: pointer; width: 30px; height: 20px; }
.mobile-menu-btn span { width: 100%; height: 3px; background: #333; margin: 3px 0; transition: 0.3s; }

.hero-slider { position: relative; height: 80vh; overflow: hidden; }
.slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; display: none; align-items: center; }
.slide.active { display: flex; }
.slide-content { background: rgba(0,0,0,0.7); padding: 40px; border-radius: 10px; max-width: 500px; color: white; margin-left: 5%; }
.slide-content h1 { font-size: 2.5rem; margin-bottom: 15px; }
.slide-content p { margin-bottom: 20px; font-size: 1.1rem; }

.btn { display: inline-block; padding: 12px 24px; border-radius: 5px; font-weight: 600; transition: all 0.3s; border: none; cursor: pointer; }
.btn-primary { background: #007a3e; color: white; }
.btn-primary:hover { background: #005a2d; }
.btn-outline { background: transparent; border: 2px solid #007a3e; color: #007a3e; }
.btn-outline:hover { background: #007a3e; color: white; }

.slider-nav { position: absolute; bottom: 20px; right: 20px; display: flex; gap: 10px; }
.slider-btn { background: rgba(255,255,255,0.8); border: none; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; font-size: 18px; }

.section-title { text-align: center; margin: 60px 0 40px; }
.section-title h2 { font-size: 2rem; color: #222; margin-bottom: 10px; }
.section-title p { color: #666; font-size: 1.1rem; }

.features-grid, .courses-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.feature-card, .course-card { text-align: center; padding: 30px; border-radius: 10px; background: #f9f9f9; transition: transform 0.3s; }
.feature-card:hover { transform: translateY(-5px); }
.feature-icon { font-size: 3rem; margin-bottom: 20px; }

.course-card img { border-radius: 10px 10px 0 0; height: 200px; object-fit: cover; }
.course-content { padding: 20px; }

.partners { background: #f5f5f5; padding: 40px 0; }
.partners-logos { display: flex; justify-content: center; gap: 50px; flex-wrap: wrap; }
.partners-logos img { height: 60px; filter: grayscale(100%); opacity: 0.7; transition: filter 0.3s, opacity 0.3s; }
.partners-logos img:hover { filter: grayscale(0); opacity: 1; }

.enroll-cta { background: linear-gradient(135deg, #007a3e, #00aa55); color: white; text-align: center; padding: 60px 20px; }
.enroll-cta h2 { font-size: 2rem; margin-bottom: 15px; }

.hero-banner { background: linear-gradient(135deg, #007a3e, #00aa55); color: white; padding: 60px 0; text-align: center; }
.hero-banner h1 { font-size: 2.5rem; margin-bottom: 10px; }

.course-details { padding: 60px 0; }
.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.content-text h3 { margin: 20px 0 10px; color: #007a3e; }
.content-text ul { margin-left: 20px; margin-bottom: 20px; }
.content-text li { margin-bottom: 8px; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 15px; }
.tag { background: #e8f5e9; color: #007a3e; padding: 5px 15px; border-radius: 20px; font-size: 14px; }

.duration { background: #f5f5f5; padding: 40px 0; }
.info-box { background: white; padding: 30px; border-radius: 10px; box-shadow: 0 2px 15px rgba(0,0,0,0.05); }

.modules-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.module-card { background: #f9f9f9; padding: 20px; border-radius: 10px; }
.module-card h4 { color: #007a3e; margin-bottom: 10px; }
.module-card ul { margin-left: 15px; }

footer { background: #222; color: white; padding: 40px 0 0; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.footer-brand img { height: 50px; margin-bottom: 15px; }
.footer-col h4 { font-size: 1.2rem; margin-bottom: 20px; color: #fff; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #aaa; transition: color 0.3s; }
.footer-col a:hover { color: #007a3e; }
.footer-bottom { text-align: center; padding: 20px; margin-top: 30px; border-top: 1px solid #444; color: #888; font-size: 14px; }

.scroll-top { position: fixed; bottom: 20px; right: 20px; background: #007a3e; color: white; border: none; width: 45px; height: 45px; border-radius: 50%; cursor: pointer; display: none; align-items: center; justify-content: center; }
.scroll-top.show { display: flex; }

@media (max-width: 768px) {
    .mobile-menu-btn { display: flex; }
    nav { position: fixed; top: 70px; left: -100%; width: 100%; background: white; flex-direction: column; padding: 20px; transition: 0.3s; box-shadow: 0 5px 10px rgba(0,0,0,0.1); }
    nav.active { left: 0; }
    nav ul { flex-direction: column; gap: 15px; }
    .hero-slider { height: 60vh; }
    .slide-content h1 { font-size: 1.8rem; }
}