.ofertas-hero {
    position: relative;
    background: linear-gradient(rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.65)), url('../img/codosera/codosera-galeria-4.jpeg') no-repeat center center;
    background-size: cover;
    padding: 140px 0 60px;
    text-align: center;
    color: #ffffff;
    border-bottom: 4px solid var(--color-amarillo);
}
.ofertas-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}
.ofertas-hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    opacity: 1;
    font-weight: 300;
    color: var(--color-amarillo);
    max-width: 700px;
    margin: 0 auto;
    padding: 0 15px;
}

.ofertas-container {
    max-width: 1200px;
    width: 100%;
    margin: 60px auto;
    padding: 0 30px;
}

.ofertas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
}

.oferta-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
}

.oferta-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.oferta-img-wrapper {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.oferta-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.oferta-card:hover .oferta-img-wrapper img {
    transform: scale(1.05);
}

.oferta-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #1e3320;
    color: #f3bd48;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.oferta-badge.badge-expired {
    background: #dc2626;
    color: #ffffff;
}

.oferta-body {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.oferta-body h3 {
    font-size: 20px;
    color: #1e3320;
    margin-bottom: 12px;
    font-weight: 700;
}

.oferta-body p {
    font-size: 14.5px;
    color: #555555;
    line-height: 1.6;
    margin-bottom: 25px;
    flex-grow: 1;
}

.oferta-footer {
    display: flex;
    flex-direction: column;
    gap: 15px;
    border-top: 1px solid #edf2f7;
    padding-top: 20px;
}

.oferta-date {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #666666;
    font-weight: 500;
}

.oferta-date svg {
    color: #f3bd48;
}

.btn-oferta {
    width: 100%;
    background: #1e3320;
    color: #ffffff;
    border: 1px solid #1e3320;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    display: inline-block;
    text-decoration: none;
}

.btn-oferta:hover {
    background: #f3bd48;
    color: #1e3320;
    border-color: #f3bd48;
}

/* Filtro visual para ofertas caducadas */
.oferta-card.expired-card {
    opacity: 0.75;
}
.oferta-card.expired-card .oferta-img-wrapper img {
    filter: grayscale(80%) contrast(90%);
}
.oferta-card.expired-card .btn-oferta {
    background: #718096;
    border-color: #718096;
    cursor: not-allowed;
    pointer-events: none;
}
.oferta-card.expired-card h3 {
    color: #4a5568;
}

/* Estado Vacío */
.ofertas-empty {
    text-align: center;
    padding: 80px 20px;
    background: #ffffff;
    border-radius: 16px;
    border: 1px dashed #cbd5e0;
    max-width: 600px;
    margin: 40px auto;
}

.ofertas-empty h3 {
    color: #1e3320;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.ofertas-empty p {
    color: #666666;
    font-size: 14.5px;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .ofertas-container {
        padding: 0 20px;
    }
    .ofertas-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}