/* ==========================================================================
   EXTRACTOS PROTEICOS DE CÉLULAS MADRE - DERMATOLOGÍA COSMÉTICA
   ========================================================================== */

/* Global H2 Rule for this page */
h2 {
    font-weight: 500 !important;
}

/* Image Mask utility (shared style) */
.stem-image-mask {
    border-radius: 40px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 30px 60px rgba(0,0,0,0.08);
}

.stem-image-mask img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 2. Concepto */
.stem-concept {
    padding: 120px 0;
    background: white;
}

.stem-concept__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

@media (min-width: 992px) {
    .stem-concept__grid {
        grid-template-columns: 0.9fr 1.1fr;
    }
}

.stem-concept__eyebrow {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.stem-concept h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 500;
    line-height: 1.1;
    color: var(--color-primary);
    margin-bottom: 30px;
    letter-spacing: -1px;
}

.stem-concept__text {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}

.stem-concept__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 40px;
}

.stem-tag {
    padding: 12px 28px;
    border: 1px solid transparent;
    border-radius: 100px;
    font-size: 0.95rem;
    font-weight: 400;
    color: #a0a0a0;
    background: #f7f7f7;
    transition: all 0.5s ease;
    cursor: default;
}

.stem-tag.active,
.stem-tag:hover {
    background: var(--color-accent-warm);
    border-color: var(--color-accent-warm);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(191, 166, 136, 0.2);
}

/* 3. Beneficios */
.stem-benefits {
    padding: 120px 0;
    background: #fcfcfc;
}

.stem-benefits__head {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 80px;
    align-items: flex-end;
}

@media (min-width: 992px) {
    .stem-benefits__head {
        grid-template-columns: 1fr 1.2fr;
        gap: 60px;
    }
}

.stem-benefits__head p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    line-height: 1.7;
    margin: 0;
}

.stem-benefits__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 768px) {
    .stem-benefits__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .stem-benefits__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.stem-benefit-card {
    background: #f5f5f5;
    padding: 40px 32px;
    border-radius: 24px;
    transition: all 0.4s ease;
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.02);
    display: flex;
    flex-direction: column;
}

.stem-benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.06);
    border-color: var(--color-accent-warm);
    background: white;
}

.stem-benefit-card__num {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 2rem;
    color: var(--color-accent-warm);
    opacity: 0.6;
    margin-bottom: 10px;
    display: block;
}

.stem-benefit-card h3 {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.stem-benefit-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

.stem-microcopy {
    text-align: center;
    margin-top: 50px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* 4. Plan Personalizado (Estrategia) */
.stem-strategy {
    padding: 120px 0;
    background: var(--color-primary);
    color: white;
}

.stem-strategy__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

@media (min-width: 992px) {
    .stem-strategy__grid {
        grid-template-columns: 1fr 1fr;
    }
}

.stem-strategy__content h2 {
    color: white;
    margin-bottom: 30px;
}

.stem-strategy__content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.stem-strategy__highlight {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.3rem;
    color: var(--color-accent-warm);
    margin-top: 30px;
    border-left: 2px solid rgba(255, 255, 255, 0.2);
    padding-left: 20px;
}

.stem-strategy__image {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.stem-strategy__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 5. Personalización */
.stem-personalization {
    padding: 120px 0;
    background: white;
}

.stem-personalization__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

@media (min-width: 992px) {
    .stem-personalization__grid {
        grid-template-columns: 0.9fr 1.1fr;
    }
}

.stem-personalization__highlight {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.3rem;
    color: var(--color-accent);
    margin-top: 30px;
    padding-left: 20px;
    border-left: 2px solid var(--color-accent-warm);
}

.stem-factors {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.stem-factor-card {
    background: #f9f9f7;
    border-radius: 100px;
    padding: 16px 28px;
    display: flex;
    align-items: center;
    transition: all 0.4s ease;
    border: 1px solid transparent;
}

.stem-factor-card:hover {
    background: white;
    border-color: var(--color-accent-warm);
    box-shadow: 0 10px 20px rgba(191, 166, 136, 0.1);
    transform: translateY(-3px);
}

.stem-factor-card__num {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--color-accent-warm);
    font-size: 1.2rem;
    margin-right: 12px;
}

.stem-factor-card__text {
    font-size: 1rem;
    color: var(--color-primary);
    font-weight: 500;
}

/* 7. Evolución (Override) */
.acne-evolution {
    background: white !important;
}

.acne-evolution h2,
.acne-evolution p,
.acne-evolution .section-eyebrow {
    color: var(--color-primary);
}

.acne-evolution .section-eyebrow {
    color: var(--color-text-muted);
}

.acne-evolution p {
    color: var(--color-text-muted);
}