:root {
    --hijau-tua: #0F4C21;
    --hijau-utama: #1B7237;
    --hijau-segar: #2ECC71;
    --hijau-muda: #E8F8EF;
    --kuning: #F9C74F;
    --putih: #FFFFFF;
    --abu-lembut: #F8FAF9;
    --abu-teks: #525252;
    --abu-gelap: #1E1E1E;
    --bayangan: 0 8px 30px rgba(15,76,33,0.08);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--putih);
    color: var(--abu-gelap);
    line-height: 1.7;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.25;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* Tombol Umum */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--putih);
    color: var(--putih);
}
.btn-outline:hover {
    background: var(--putih);
    color: var(--hijau-utama);
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--hijau-utama);
    color: var(--putih);
}
.btn-primary:hover {
    background: var(--hijau-tua);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(27,114,55,0.25);
}

.btn-wa {
    background: #229A50;
    color: var(--putih);
    width: 100%;
    font-size: 1.05rem;
    gap: 8px;
    margin-top: 10px;
    border-radius: 50px;
}
.btn-wa:hover { 
    background: #1E8646; 
    transform: translateY(-2px); 
}

/* Navbar */
.navbar {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 999;
    padding: 22px 0;
    transition: 0.35s ease;
    background: transparent;
}
.navbar.terkunci {
    background: rgba(15,76,33,0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--bayangan);
    padding: 16px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--putih);
    font-weight: 600;
}
.logo-icon {
    background: var(--kuning);
    color: var(--abu-gelap);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 700;
}
.logo-text { font-size: 1.05rem; letter-spacing: 0.5px; }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}
.nav-link {
    color: rgba(255,255,255,0.85);
    font-size: 0.92rem;
    font-weight: 500;
    position: relative;
    transition: color 0.3s;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--kuning);
    transition: width 0.3s ease;
}
.nav-link:hover, .nav-link.aktif { color: var(--kuning); }
.nav-link:hover::after, .nav-link.aktif::after { width: 100%; }

.btn-solid {
    background: transparent;
    color: rgba(255,255,255,0.85) !important;
    padding: 0 !important;
    border-radius: 0 !important;
    font-weight: 500;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}
.hamburger span {
    width: 28px; height: 2px;
    background: var(--putih);
    border-radius: 1px;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(15,76,33,0.78) 0%, rgba(27,114,55,0.65) 100%), url('assets/hero.jpg') center/cover no-repeat;
}
.hero-wrap {
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    color: var(--kuning);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.hero-title {
    color: var(--putih);
    font-size: 1.6rem;
    font-weight: 400;
}
.hero-title span {
    display: block;
    font-size: 3.6rem;
    font-weight: 700;
    margin-top: 5px;
}
.hero-desc {
    color: rgba(255,255,255,0.88);
    max-width: 620px;
    font-size: 1.05rem;
    margin: 18px 0 30px;
}
.hero-btns { display: flex; gap: 15px; flex-wrap: wrap; margin-bottom: 50px; }

.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stat-box h3 {
    font-size: 2.4rem;
    color: var(--kuning);
    font-family: 'Inter', sans-serif;
    font-weight: 700;
}
.stat-box p { color: rgba(255,255,255,0.75); font-size: 0.9rem; }

/* Bagian Umum */
.section { padding: 90px 0; }
.section-head { text-align: center; margin-bottom: 55px; }
.section-head h2 { font-size: 2.3rem; color: var(--hijau-tua); margin-bottom: 10px; }
.section-head p { color: var(--abu-teks); max-width: 650px; margin: 0 auto; }
.small-note { font-size: 0.85rem; color: #999; margin-top: 5px; }

/* Kegiatan */
.kegiatan { background: var(--hijau-muda); }
.kegiatan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 28px;
}
.kegiatan-card {
    background: var(--putih);
    padding: 32px 26px;
    border-radius: 16px;
    box-shadow: var(--bayangan);
    transition: 0.3s ease;
}
.kegiatan-card:hover { transform: translateY(-6px); box-shadow: 0 15px 35px rgba(15,76,33,0.12); }
.card-icon {
    width: 60px; height: 60px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--hijau-utama), var(--hijau-segar));
    display: flex; align-items: center; justify-content: center;
    color: var(--putih); font-size: 1.4rem; margin-bottom: 18px;
}
.kegiatan-card h3 { font-size: 1.25rem; color: var(--hijau-tua); margin-bottom: 8px; }
.kegiatan-card p { color: var(--abu-teks); font-size: 0.95rem; }

/* Galeri */
.galeri { background: var(--abu-lembut); }
.galeri-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.galeri-item { border-radius: 12px; overflow: hidden; transition: 0.3s ease; }
.galeri-item:hover { transform: translateY(-4px); }
.galeri-item img {
    width: 100%; aspect-ratio: 4/3; object-fit: cover;
    transition: transform 0.5s ease;
}
.galeri-item:hover img { transform: scale(1.05); }

/* Mitra */
.manfaat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}
.manfaat-item h3 { color: var(--hijau-utama); font-size: 1.15rem; margin-bottom: 6px; }
.manfaat-item p { color: var(--abu-teks); font-size: 0.95rem; }

.sponsor-wrap { margin-bottom: 45px; }
.sponsor-wrap h3 {
    text-align: center;
    color: var(--hijau-tua);
    font-size: 1.6rem;
    margin-bottom: 30px;
}
.sponsor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.sponsor-box {
    background: var(--putih);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #E6E6E6;
    display: flex; align-items: center; justify-content: center;
    transition: 0.3s ease;
}
.sponsor-box:hover {
    border-color: var(--hijau-segar);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(46,204,113,0.1);
}
.sponsor-box img { max-height: 55px; object-fit: contain; }

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

/* Daftar Stand */
.daftar { background: linear-gradient(180deg, var(--hijau-muda) 0%, #FFFFFF 100%); }
.daftar-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.label-baru {
    display: inline-block;
    background: rgba(27,114,55,0.1);
    color: var(--hijau-utama);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.daftar-left h2 { font-size: 2.2rem; color: var(--hijau-tua); margin-bottom: 12px; }
.daftar-left > p { color: var(--abu-teks); font-size: 1rem; margin-bottom: 30px; }

.info-list { display: flex; flex-direction: column; gap: 20px; }
.info-baris { display: flex; gap: 16px; align-items: flex-start; }
.info-icon {
    width: 48px; height: 48px;
    border-radius: 10px;
    background: var(--hijau-segar);
    display: flex; align-items: center; justify-content: center;
    color: var(--putih); flex-shrink: 0;
}
.info-text strong { display: block; color: var(--hijau-tua); font-size: 1rem; }
.info-text span { color: var(--abu-teks); font-size: 0.95rem; }

.kartu-daftar {
    background: var(--putih);
    padding: 35px 30px;
    border-radius: 18px;
    box-shadow: 0 15px 40px rgba(15,76,33,0.12);
}
.kartu-daftar h3 { font-size: 1.6rem; color: var(--hijau-tua); margin-bottom: 10px; }
.petunjuk { color: var(--abu-teks); margin-bottom: 20px; }

.langkah { display: flex; flex-direction: column; gap: 14px; margin-bottom: 25px; }
.langkah-item { display: flex; align-items: center; gap: 12px; }
.nomor {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--kuning);
    color: var(--abu-gelap);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.9rem; flex-shrink: 0;
}

/* Footer */
.footer { background: var(--hijau-tua); color: rgba(255,255,255,0.8); padding: 60px 0 25px; }
.footer-content {
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; margin-bottom: 35px;
}
.footer-col h4 { color: var(--kuning); font-size: 1.3rem; margin-bottom: 12px; }
.footer-col p, .footer-col address { font-style: normal; font-size: 0.95rem; margin-bottom: 6px; }
.sosmed-link { display: flex; gap: 12px; margin-top: 8px; }
.sosmed-link a {
    width: 38px; height: 38px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.25);
    display: flex; align-items: center; justify-content: center;
    color: var(--putih); transition: 0.3s ease;
}
.sosmed-link a:hover { background: var(--kuning); color: var(--abu-gelap); border-color: var(--kuning); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); padding-top: 20px; text-align: center; font-size: 0.9rem; }

/* Responsif */
@media (max-width: 992px) {
    .galeri-grid { grid-template-columns: repeat(3, 1fr); }
    .sponsor-grid { grid-template-columns: repeat(2, 1fr); }
    .daftar-wrapper { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed; top: 0; right: -100%;
        height: 100vh; width: 280px;
        background: var(--hijau-tua); flex-direction: column;
        justify-content: center; transition: right 0.4s ease;
    }
    .nav-menu.buka { right: 0; }
    .hamburger { display: flex; z-index: 1000; }

    .galeri-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-title span { font-size: 2.6rem; }
}

@media (max-width: 480px) {
    .hero-btns { flex-direction: column; }
    .btn { width: 100%; }
    .stat-box h3 { font-size: 2rem; }
}