.materi-container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

/* judul */
.title {
    text-align: center;
    margin: 15px 0 10px;
}

.title h1 {
    font-size: 38px;
    font-weight: 700;
    color: black;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.title h1::after {
    content: "";
    display: block;
    width: 100px;
    height: 4px;
    background: #3ec758;
    margin: 12px auto 0;
    border-radius: 10px;
}

.title p {
    font-size: 16px;
    color: #333;
    line-height: 1.7;
    margin: 5px 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .title h1 {
        font-size: 30px;
    }

    .title p {
        font-size: 14px;
    }
}

/* CARD JENIS SAMPAH */
.card-container-jenis-sampah {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.card {
    width: 100%;
    max-width: 300px;
    background: #adf9bb;
    border-radius: 18px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    transition: 0.2s;
    border: 2px solid #3ec758;
}

.card-image {
    width: 100%;
    max-width: 220px;
    height: auto;
    background: white;
    border-radius: 14px;
    padding: 4px;
    margin-bottom: 15px;
}

.card h2 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #000;
}

.card p {
    font-size: 16px;
    line-height: 1.6;
    color: #222;
    margin: 0;
}

/* NAV CARD */
.nav-card {
    display: flex;
    align-items: center;
    gap: 15px;
    background: white;
    padding: 20px;
    border-radius: 16px;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    transition: 0.2s;
}

.nav-card:hover {
    transform: translateY(-5px);
}

.icon {
    font-size: 2rem;
}

/* SECTION TITLE */
.sec-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 40px 0;
}

.sec-separator::before,
.sec-separator::after {
    content: "";
    flex: 1;
    border-bottom: 2px solid #999;
}

.sec-separator::before {
    margin-right: 15px;
}

.sec-separator::after {
    margin-left: 15px;
}

.sec-separator-label {
    font-size: 25px;
    font-weight: bold;
    color: #37875c;
}

/* CIRI ORGANIK */
.card-container-ciri {
    text-align: center;
    background: #b7fac3;
    padding: 30px;
    border-radius: 18px;
    max-width: 800px;
    margin: 0 auto 40px;
}

.judul-ciri {
    margin-bottom: 20px;
}

/* WRAPPER CARD */
.card-wrapper-organik,
.card-wrapper-anorganik,
.card-wrapper-ciri-organik,
.card-wrapper-ciri-anorganik {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

/* CARD ORGANIK */
.card-organik {
    width: 220px;
    height: 220px;
    background: white;
    border-radius: 14px;

    display: flex;
    justify-content: center;
    align-items: center;
}

.card-image-ciri-organik {
    width: 180px;
    height: 180px;
    object-fit: contain;
    border-radius: 14px;
}

.card-container-contoh {
    text-align: center;
    background: #b7fac3;
    padding: 30px;
    border-radius: 18px;
    max-width: 800px;
    margin: 0 auto 40px;
}

.card-image-contoh-organik {
    width: 350px;
    height: auto;
    padding-top: 20px;
    border-radius: 14px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

/* SECTION PERBANDINGAN */
.card-container-perbandingan {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 30px;
    margin-bottom: 40px;
}

/* CARD PERBANDINGAN */
.card-wrapper-perbandingan {
    width: 100%;
    max-width: 400px;
    background: #b7fac3;
    border-radius: 18px;
    padding: 30px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    ul{
        padding-left: 20px;
    }
}

/* JUDUL */
.card-wrapper-perbandingan h2 {
    text-align: center;
    font-size: 30px;
    color: #000000;
    margin-bottom: 25px;
}


.card-container-dampak {
    background: #b7fac3;
    padding: 30px;
    border-radius: 18px;
    margin-bottom: 20px; 
    margin-right: 65px;
    margin-left: 65px;
}

.card-wrapper-dampak{
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.link-video {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.card-image-3r{
    width: 200px;
    height: auto;
    padding-top: 20px;
    border-radius: 14px;
}

.card-content-3r {
    flex: 1;
}

.card-container-3r {
    background: #b7fac3;
    padding: 30px;
    border-radius: 18px;
    max-width: 800px;
    margin: 0 auto 20px;
}

.card-wrapper-3r {
    display: flex;
    align-items: center;
    gap: 25px;
}

.card-container-tips{
    display: flex;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.card-wrapper-tips{
    width: 320px;
    background: #b7fac3;
    padding: 20px;
    border-radius: 18px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    text-align: center;
}

.card-wrapper-tips iframe{
    width: 100%;
    height: 200px;
    border-radius: 14px;
}