/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Lato', sans-serif; color: #333; line-height: 1.7; overflow-x: hidden; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* ===== HEADER ===== */
.header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(255,255,255,0.98); box-shadow: 0 1px 15px rgba(0,0,0,0.06); transition: all 0.3s; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-family: 'Merriweather', serif; font-size: 1.3rem; font-weight: 700; color: #2d6a4f; }
.logo i { margin-right: 6px; color: #52b788; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { font-size: 0.95rem; font-weight: 600; color: #555; transition: color 0.3s; }
.nav a:hover { color: #2d6a4f; }
.btn-join { background: linear-gradient(135deg, #2d6a4f, #40916c); color: #fff !important; padding: 10px 26px; border-radius: 25px; transition: all 0.3s; }
.btn-join:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(45,106,79,0.3); }
.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: #2d6a4f; cursor: pointer; }

/* ===== HERO ===== */
.hero { position: relative; height: 100vh; min-height: 600px; display: flex; align-items: center; justify-content: center; text-align: center; background: url('image/hero.jpg') center/cover no-repeat; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(27,67,50,0.8) 0%, rgba(45,106,79,0.65) 100%); }
.hero-content { position: relative; z-index: 2; color: #fff; max-width: 720px; padding: 0 20px; }
.hero-tag { display: inline-block; background: rgba(255,255,255,0.15); backdrop-filter: blur(5px); padding: 6px 18px; border-radius: 20px; font-size: 0.85rem; margin-bottom: 20px; letter-spacing: 1px; text-transform: uppercase; }
.hero-content h1 { font-family: 'Merriweather', serif; font-size: 3.4rem; margin-bottom: 20px; line-height: 1.2; }
.hero-content p { font-size: 1.1rem; margin-bottom: 35px; opacity: 0.92; font-weight: 300; }
.hero-buttons { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }
.btn-primary { display: inline-block; background: #d4a373; color: #fff; padding: 14px 36px; border-radius: 30px; font-weight: 700; font-size: 1rem; transition: all 0.3s; border: none; cursor: pointer; }
.btn-primary:hover { background: #c08b5c; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(212,163,115,0.35); }
.btn-outline { display: inline-block; border: 2px solid rgba(255,255,255,0.7); color: #fff; padding: 12px 34px; border-radius: 30px; font-weight: 700; font-size: 1rem; transition: all 0.3s; }
.btn-outline:hover { background: #fff; color: #2d6a4f; border-color: #fff; }

/* ===== SECTION TITLES ===== */
.section-title { text-align: center; margin-bottom: 55px; }
.section-title.light h2, .section-title.light .subtitle { color: #fff; }
.subtitle { display: block; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 3px; color: #52b788; margin-bottom: 10px; font-weight: 700; }
.section-title h2 { font-family: 'Merriweather', serif; font-size: 2.3rem; color: #2d6a4f; }

/* ===== ABOUT ===== */
.about { padding: 100px 0; background: #fff; }
.about-wrapper { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center; }
.about-img { position: relative; }
.about-img img { border-radius: 16px; box-shadow: 0 20px 50px rgba(0,0,0,0.1); }
.about-badge { position: absolute; bottom: -20px; right: -20px; background: #2d6a4f; color: #fff; padding: 18px 22px; border-radius: 12px; text-align: center; box-shadow: 0 10px 30px rgba(45,106,79,0.3); }
.about-badge span { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 2px; opacity: 0.8; }
.about-badge strong { font-size: 1.8rem; font-family: 'Merriweather', serif; }
.about-content h3 { font-family: 'Merriweather', serif; font-size: 1.4rem; color: #2d6a4f; margin-bottom: 12px; margin-top: 20px; }
.about-content h3:first-child { margin-top: 0; }
.about-content p { color: #555; margin-bottom: 10px; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 25px; }
.feature { display: flex; align-items: center; gap: 10px; font-weight: 600; color: #444; }
.feature i { color: #52b788; font-size: 1.1rem; }

/* ===== IMPACT ===== */
.impact { padding: 100px 0; background: #2d6a4f; }
.impact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.impact-card { position: relative; border-radius: 16px; overflow: hidden; height: 350px; cursor: pointer; }
.impact-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.impact-card:hover img { transform: scale(1.08); }
.impact-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.75) 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 30px; color: #fff; }
.impact-overlay h3 { font-family: 'Merriweather', serif; font-size: 1.2rem; margin-bottom: 8px; }
.impact-overlay p { font-size: 0.9rem; opacity: 0.9; }

/* ===== EVENTS ===== */
.events { padding: 100px 0; background: #fafaf5; }
.events-list { max-width: 800px; margin: 0 auto; }
.event-item { display: flex; align-items: flex-start; gap: 25px; padding: 30px; background: #fff; border-radius: 12px; margin-bottom: 20px; box-shadow: 0 3px 15px rgba(0,0,0,0.04); transition: all 0.3s; border-left: 4px solid transparent; }
.event-item:hover { border-left-color: #52b788; transform: translateX(5px); box-shadow: 0 8px 30px rgba(0,0,0,0.08); }
.event-number { font-family: 'Merriweather', serif; font-size: 2rem; font-weight: 700; color: #d4a373; min-width: 50px; }
.event-info h3 { font-size: 1.15rem; color: #2d6a4f; margin-bottom: 8px; }
.event-info p { font-size: 0.95rem; color: #666; }
.event-tag { background: #e8f5e9; color: #2d6a4f; padding: 6px 16px; border-radius: 20px; font-size: 0.8rem; font-weight: 700; white-space: nowrap; align-self: flex-start; margin-top: 5px; }
.event-tag.link { cursor: pointer; transition: all 0.3s; }
.event-tag.link:hover { background: #2d6a4f; color: #fff; }

/* ===== CONTACT ===== */
.contact { padding: 100px 0; background: linear-gradient(135deg, #1b4332, #2d6a4f); color: #fff; }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info h3 { font-family: 'Merriweather', serif; font-size: 1.5rem; margin-bottom: 15px; }
.contact-info > p { opacity: 0.9; margin-bottom: 25px; }
.contact-list { list-style: none; }
.contact-list li { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 15px; font-size: 0.95rem; }
.contact-list i { color: #d4a373; margin-top: 3px; min-width: 18px; }
.email-big { font-size: 1.15em; font-weight: 700; color: #d4a373; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; padding: 14px 18px; border: 1px solid rgba(255,255,255,0.2); border-radius: 10px; background: rgba(255,255,255,0.08); color: #fff; font-family: 'Lato', sans-serif; font-size: 0.95rem; margin-bottom: 14px; transition: border-color 0.3s; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(255,255,255,0.5); }
.contact-form select { color: rgba(255,255,255,0.5); }
.contact-form select option { color: #333; background: #fff; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: #d4a373; }
.contact-form .btn-primary { width: 100%; background: #d4a373; }

/* ===== FOOTER ===== */
.footer { background: #0d1b12; color: #aaa; padding: 60px 0 25px; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
.footer-col h4 { color: #fff; font-size: 1.05rem; margin-bottom: 18px; font-family: 'Merriweather', serif; }
.footer-col p { font-size: 0.9rem; margin-bottom: 8px; }
.footer-col a { display: block; font-size: 0.9rem; margin-bottom: 8px; color: #888; transition: color 0.3s; }
.footer-col a:hover { color: #52b788; }
.footer-col .email-big { font-size: 1.05em; font-weight: 700; color: #d4a373; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.85rem; }
.scroll-top { background: #52b788; color: #fff; border: none; width: 38px; height: 38px; border-radius: 50%; cursor: pointer; font-size: 0.9rem; transition: all 0.3s; }
.scroll-top:hover { background: #40916c; transform: translateY(-3px); }

/* ===== MODAL ===== */
.modal { display: none; position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,0.5); align-items: center; justify-content: center; }
.modal.active { display: flex; }
.modal-box { background: #fff; padding: 45px; border-radius: 16px; text-align: center; max-width: 420px; width: 90%; position: relative; }
.modal-icon { font-size: 3rem; color: #52b788; margin-bottom: 15px; }
.modal-box h3 { font-family: 'Merriweather', serif; color: #2d6a4f; margin-bottom: 10px; font-size: 1.5rem; }
.modal-box p { color: #666; }
.modal-close { position: absolute; top: 12px; right: 18px; background: none; border: none; font-size: 2rem; cursor: pointer; color: #999; }
.mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 999; }
.mobile-overlay.active { display: block; }

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .about-wrapper, .contact-wrapper { grid-template-columns: 1fr; }
    .impact-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav { position: fixed; top: 0; right: -300px; width: 280px; height: 100vh; background: #fff; flex-direction: column; padding: 80px 30px 30px; box-shadow: -5px 0 25px rgba(0,0,0,0.1); transition: right 0.3s; z-index: 1001; }
    .nav.active { right: 0; }
    .hero-content h1 { font-size: 2.2rem; }
    .section-title h2 { font-size: 1.8rem; }
    .impact-grid { grid-template-columns: 1fr; }
    .impact-card { height: 280px; }
    .event-item { flex-direction: column; gap: 10px; }
    .footer-grid { grid-template-columns: 1fr; }
    .about-badge { bottom: -10px; right: 10px; }
}