/* ---------- HERO ---------- */
.rib-hero {
    position: relative;
    padding: 150px 0 100px;
    background: linear-gradient(120deg, #2c7a7b, #4CAF50);
    color: #fff;
    text-align: center;
    overflow: hidden;
}
.rib-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0,150,170,.35), rgba(0,180,160,.15));
}
.rib-hero-content { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.rib-hero .tag-date { display: inline-block; padding: 6px 18px; border: 1px solid rgba(255,255,255,.5); border-radius: 30px; font-size: .85rem; text-transform: uppercase; }
.rib-hero h1 { font-size: 2.6rem; font-weight: 700; text-shadow: 0 5px 20px rgba(0,0,0,.2); }
.rib-hero-sub { font-size: 1.05rem; max-width: 640px; opacity: .95; line-height: 1.7; }
.rib-hero .btn-outline { margin-top: 10px; }
.rib-hero + .wave { margin-top: -60px; }
.rib-hero + .wave .wave-path { fill: #fff; }

/* ---------- SOBRE A OBRA ---------- */
.rib-sobre { padding: 30px 0 60px; background: #fff; position: relative; z-index: 2; }
.rib-sobre-content {
    max-width: 980px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 50px;
}

.rib-sobre-video {
    flex: 0 0 240px;
    width: 240px;
    aspect-ratio: 9 / 16; /* ribeirinha.mp4 é vertical, 720x1280 */
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 45px rgba(0, 0, 0, .12);
}

.rib-sobre-video video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.rib-sobre-text {
    flex: 1;
    text-align: left;
    line-height: 1.8;
    color: #444;
    font-size: 1.05rem;
}

.rib-sobre-dica {
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #e0f2f1;
    color: #2c7a7b;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: .9rem;
    font-weight: 600;
}

/* ---------- CAPÍTULOS ---------- */
.rib-capitulos { padding: 60px 0 80px; background: #fff; }
.rib-capitulos-sub { text-align: center; color: #666; margin-top: -18px; margin-bottom: 40px; }
.capitulos-trilha { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 22px; }

.capitulo-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 15px;
    overflow: hidden;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    box-shadow: 0 10px 25px rgba(0,0,0,.06);
    transition: transform .3s ease, box-shadow .3s ease;
}
.capitulo-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(0,0,0,.12); }
.capitulo-numero {
    position: absolute; top: 12px; left: 12px; z-index: 1;
    background: #2c7a7b; color: #fff; font-size: .7rem; font-weight: bold;
    text-transform: uppercase; padding: 5px 12px; border-radius: 20px;
}
.capitulo-intro .capitulo-numero { background: #4CAF50; }
.capitulo-thumb { width: 100%; aspect-ratio: 1/1; background: #f2f2f2; overflow: hidden; }
.capitulo-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.capitulo-card:hover .capitulo-thumb img { transform: scale(1.06); }
.capitulo-card h3 { padding: 14px 16px 18px; font-size: .88rem; line-height: 1.45; font-weight: 600; flex: 1; color: #222; }

/* ---------- MODAL ---------- */
.rib-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.rib-modal[hidden] { display: none; }
body.rib-modal-aberto { overflow: hidden; }

.rib-modal-fundo {
    position: absolute;
    inset: 0;
    background: rgba(20, 20, 20, 0.75);
}

.rib-modal-caixa {
    position: relative;
    background: #fff;
    border-radius: 18px;
    max-width: 640px;
    width: 100%;
    max-height: 88vh;
    overflow-y: auto;
    box-shadow: 0 30px 70px rgba(0,0,0,.35);
    animation: rib-modal-entrada .25s ease;
}

@keyframes rib-modal-entrada {
    from { opacity: 0; transform: translateY(20px) scale(.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.rib-modal-fechar {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid #eee;
    color: #444;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,.1);
    transition: 0.3s;
}
.rib-modal-fechar:hover { background: #d9364f; color: #fff; border-color: #d9364f; }

.rib-modal-conteudo { padding: 30px; }

.rib-modal-numero {
    display: inline-block;
    background: #e0f2f1;
    color: #2c7a7b;
    font-size: .78rem;
    font-weight: bold;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.rib-modal-titulo { font-size: 1.4rem; color: #222; margin-bottom: 20px; line-height: 1.35; }

.rib-modal-thumb {
    width: 100%;
    max-width: 280px;
    margin: 0 auto 22px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(0,0,0,.12);
}
.rib-modal-thumb img { width: 100%; display: block; }

.rib-modal-texto { line-height: 1.8; color: #333; font-size: .96rem; }
.rib-modal-texto p { margin-bottom: 14px; }
.rib-modal-texto .rib-nota-legal {
    background: #f9f9f9;
    border-left: 3px solid #2c7a7b;
    padding: 14px 16px;
    border-radius: 8px;
    font-size: .85rem;
    color: #555;
}

.rib-modal-indisponivel {
    background: #fff8ec;
    border-left: 3px solid #e58a1a;
    padding: 16px 18px;
    border-radius: 8px;
    font-size: .9rem;
    color: #555;
    line-height: 1.6;
}
.rib-modal-indisponivel a { color: #2c7a7b; font-weight: 700; }

/* ---------- LIKE / DISLIKE ---------- */
.rib-modal-reacoes {
    display: flex;
    gap: 12px;
    margin: 26px 0 8px;
    padding-top: 20px;
    border-top: 1px solid #f0f0f0;
}
.rib-reacao-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f9f9f9;
    border: 1px solid #eee;
    color: #555;
    padding: 10px 18px;
    border-radius: 25px;
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.25s;
}
.rib-reacao-btn:hover { background: #f0f0f0; }
.rib-reacao-btn:disabled { opacity: .6; cursor: default; }
.rib-reacao-like.ativo { background: #e8f5e9; border-color: #4CAF50; color: #2e9e4f; }
.rib-reacao-dislike.ativo { background: #fdeaea; border-color: #d9364f; color: #d9364f; }

/* ---------- NAVEGAÇÃO ---------- */
.rib-modal-navegacao {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 22px;
}
.rib-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #2c7a7b;
    color: #fff;
    border: none;
    padding: 11px 18px;
    border-radius: 25px;
    font-size: .85rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.25s;
}
.rib-nav-btn:hover { background: #1b5e5e; }
.rib-nav-btn:disabled { background: #ddd; color: #999; cursor: default; }

/* ---------- BLOCO DE APOIO ---------- */
.alert-block { background: #fff4f4; border-top: 4px solid #d9364f; padding: 32px 0; }
.alert-content { display: flex; align-items: flex-start; gap: 20px; }
.alert-content i { font-size: 2rem; color: #d9364f; flex-shrink: 0; margin-top: 4px; }
.alert-content h2 { font-size: 1.1rem; color: #2c2c2c; margin: 0 0 6px; }
.alert-content p { margin: 0; line-height: 1.6; color: #444; }

/* ---------- RESPONSIVO ---------- */
@media (max-width: 768px) {
    .rib-hero { padding: 120px 0 80px; }
    .rib-hero h1 { font-size: 1.8rem; }
    .rib-sobre-content { flex-direction: column; text-align: center; }
    .rib-sobre-text { text-align: center; }
    .rib-sobre-video { width: 180px; }
    .capitulos-trilha { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
    .capitulo-card h3 { font-size: .8rem; padding: 10px 12px 14px; }

    .rib-modal { padding: 0; align-items: flex-end; }
    .rib-modal-caixa { max-width: 100%; max-height: 92vh; border-radius: 18px 18px 0 0; }
    .rib-modal-conteudo { padding: 24px 20px; }
    .rib-modal-titulo { font-size: 1.15rem; }
    .rib-modal-navegacao { flex-direction: column; }
    .alert-content { flex-direction: column; text-align: center; align-items: center; }
}