/**
 * SEMID PERÚ - Estilos Módulo Nosotros (Fase 2)
 * Hero, Quiénes Somos, Misión/Visión/Valores, Estadísticas,
 * Beneficios, Línea de Tiempo Historia, Certificaciones y CTA Final
 */

/* ==========================================================================
   1. HERO NOSOTROS
   ========================================================================== */
.nosotros-hero {
    position: relative;
    background: linear-gradient(135deg, #0e173e 0%, #142258 50%, #1a2f7c 100%);
    color: var(--color-white);
    padding-top: 4.5rem;
    padding-bottom: 7.5rem;
    min-height: 480px;
    display: flex;
    align-items: center;
    overflow: hidden;
    z-index: 1;
}

/* Capa de fondo panorámica */
.nosotros-hero-backdrop {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.nosotros-hero-bg-img {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right center;
    filter: brightness(0.96) contrast(1.05);
}

/* Gradiente de integración elegante: funde la foto con el azul institucional a la izquierda */
.nosotros-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        #101a45 0%,
        #132053 28%,
        rgba(19, 32, 83, 0.96) 40%,
        rgba(19, 32, 83, 0.82) 52%,
        rgba(19, 32, 83, 0.45) 68%,
        rgba(19, 32, 83, 0.12) 84%,
        rgba(19, 32, 83, 0.02) 100%
    );
}

/* Brillo ambiental sutil en el fondo izquierdo */
.nosotros-hero-light-fx {
    position: absolute;
    top: -25%;
    left: -5%;
    width: 580px;
    height: 580px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(49, 151, 167, 0.28) 0%, transparent 65%);
    filter: blur(75px);
    pointer-events: none;
}

/* Contenido del Hero */
.nosotros-hero-inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    min-height: 360px;
    width: 100%;
}

.nosotros-hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 590px;
}

/* Breadcrumb */
.nosotros-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 1.25rem;
    font-weight: 500;
}

.nosotros-breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    transition: color var(--transition-fast);
}

.nosotros-breadcrumb a:hover {
    color: var(--color-white);
}

.nosotros-breadcrumb .sep {
    display: inline-flex;
    align-items: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.45);
}

.nosotros-breadcrumb .current {
    color: #8CEADF;
    font-weight: 600;
}

/* Tag / Insignia Pill Oficial */
.nosotros-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1.15rem;
    background: rgba(18, 92, 80, 0.5);
    border: 1px solid rgba(110, 227, 212, 0.45);
    border-radius: var(--radius-full);
    color: #9ef3e6;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1.35rem;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.nosotros-hero-tag .tag-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #4ae5ce;
    box-shadow: 0 0 8px #4ae5ce;
}

.nosotros-hero-tag svg {
    color: #6DE3D4;
}

/* Título */
.nosotros-hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.025em;
    color: var(--color-white);
    margin-bottom: 1.35rem;
    text-shadow: 0 4px 20px rgba(10, 16, 40, 0.35);
}

.nosotros-hero-title .highlight {
    color: #4ce1cd;
    text-shadow: 0 0 25px rgba(76, 225, 205, 0.3);
}

.nosotros-hero-desc {
    font-size: 1.15rem;
    line-height: 1.68;
    color: rgba(255, 255, 255, 0.92);
    max-width: 560px;
    margin: 0;
    text-shadow: 0 2px 10px rgba(10, 16, 40, 0.3);
}

/* Divisoria inferior curva */
.nosotros-hero-curve {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    width: 100%;
    line-height: 0;
    pointer-events: none;
    z-index: 2;
}

.nosotros-hero-curve svg {
    display: block;
    width: 100%;
    height: 56px;
    fill: var(--color-white);
}

/* ==========================================================================
   2. SECCIÓN ¿QUIÉNES SOMOS? (3 COLUMNAS)
   ========================================================================== */
.quienes-section {
    background-color: var(--color-white);
    position: relative;
    z-index: 3;
}

.quienes-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr 0.9fr;
    gap: 2.2rem;
    align-items: stretch;
}

/* Columna 1: Información */
.quienes-info-col {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.quienes-info-col .section-title {
    font-size: 2.2rem;
    margin-bottom: 1.1rem;
}

.quienes-info-col .section-desc {
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.65;
}

/* Columna 2: Tarjeta Ambulancia / Video */
.quienes-media-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: #EAF0F9;
    box-shadow: var(--shadow-md);
    border: var(--border-card);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 340px;
}

.quienes-media-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.quienes-media-card:hover img {
    transform: scale(1.04);
}

/* Botón flotante de video opcional */
.quienes-video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(20, 43, 85, 0.25);
    transition: background var(--transition-fast);
}

.quienes-play-btn {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-blue-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(20, 43, 85, 0.35);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.quienes-play-btn:hover {
    transform: scale(1.12);
    box-shadow: 0 14px 30px rgba(48, 85, 216, 0.45);
}

.quienes-video-badge {
    position: absolute;
    bottom: 1.25rem;
    left: 1.25rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.95rem;
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-blue-deep);
    box-shadow: 0 4px 14px rgba(20, 43, 85, 0.15);
    backdrop-filter: blur(6px);
}

/* Columna 3: Tarjeta Nuestra Esencia */
.quienes-esencia-card {
    background: #F3F7FC;
    border: 1px solid #E1EBF7;
    border-radius: var(--radius-xl);
    padding: 2.35rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.quienes-esencia-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3055D8 0%, #3197A7 100%);
}

.esencia-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-blue-deep);
    margin-bottom: 1.2rem;
}

.esencia-quote {
    font-size: 1.02rem;
    line-height: 1.65;
    color: var(--color-text-body);
    font-style: normal;
    margin-bottom: 1.5rem;
    position: relative;
}

.esencia-author {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--color-blue-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ==========================================================================
   3. SECCIÓN MISIÓN, VISIÓN Y VALORES (3 TARJETAS HORIZONTALES)
   ========================================================================== */
.mision-vision-section {
    background-color: var(--color-white);
    padding-top: 2rem;
    padding-bottom: 5.5rem;
}

.mision-vision-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
}

.mv-card {
    border-radius: var(--radius-xl);
    padding: 2.35rem 2.15rem;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
    overflow: hidden;
}

.mv-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
}

/* Tarjeta Misión */
.mv-card-mision {
    background: #F4F8FD;
    border: 1px solid #DFECF9;
}

.mv-card-mision:hover {
    border-color: #BBD7F3;
}

/* Tarjeta Visión */
.mv-card-vision {
    background: #F0F9F8;
    border: 1px solid #D7F0EC;
}

.mv-card-vision:hover {
    border-color: #A9E3D8;
}

/* Tarjeta Valores */
.mv-card-valores {
    background: #F3F6FD;
    border: 1px solid #DFE7F8;
}

.mv-card-valores:hover {
    border-color: #BCD0F5;
}

.mv-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.mv-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.mv-card:hover .mv-icon-box {
    transform: scale(1.1) rotate(5deg);
}

.mv-card-mision .mv-icon-box {
    background: var(--color-blue-primary);
    color: var(--color-white);
    box-shadow: 0 6px 16px rgba(48, 85, 216, 0.3);
}

.mv-card-vision .mv-icon-box {
    background: var(--color-turquoise);
    color: var(--color-white);
    box-shadow: 0 6px 16px rgba(49, 151, 167, 0.3);
}

.mv-card-valores .mv-icon-box {
    background: var(--color-blue-deep);
    color: var(--color-white);
    box-shadow: 0 6px 16px rgba(32, 35, 125, 0.3);
}

.mv-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-text-dark);
}

.mv-text {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--color-text-body);
}

/* Grid de Valores (2 columnas) */
.valores-checklist {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem 1rem;
    margin-top: 0.25rem;
}

.valor-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.valor-item svg {
    color: var(--color-blue-primary);
    flex-shrink: 0;
}

/* ==========================================================================
   4. SECCIÓN ESTADÍSTICAS
   ========================================================================== */
.nosotros-stats-section {
    position: relative;
    background: linear-gradient(135deg, #151855 0%, #1A2175 60%, #202D8B 100%);
    color: var(--color-white);
    padding: 3.5rem 0;
    overflow: hidden;
}

.nosotros-stats-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0.22;
}

.nosotros-stats-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nosotros-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.nosotros-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.nosotros-stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -1rem;
    top: 20%;
    height: 60%;
    width: 1px;
    background: rgba(255, 255, 255, 0.18);
}

.nosotros-stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #8CEADF;
    margin-bottom: 0.85rem;
}

.nosotros-stat-number {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
    margin-bottom: 0.45rem;
}

.nosotros-stat-label {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

/* ==========================================================================
   5. SECCIÓN ¿POR QUÉ ELEGIR SEMID PERÚ? (BENEFICIOS)
   ========================================================================== */
.beneficios-nosotros-section {
    background-color: var(--color-white);
}

.beneficios-nosotros-grid {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

.beneficios-items-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.85rem 1.6rem;
    margin-top: 2rem;
}

.beneficio-block {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.beneficio-icon-box {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: #EDF4FD;
    color: var(--color-blue-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--transition-base), background var(--transition-base), color var(--transition-base);
}

.beneficio-block:hover .beneficio-icon-box {
    transform: scale(1.1);
    background: var(--color-blue-primary);
    color: var(--color-white);
}

.beneficio-text-content {
    display: flex;
    flex-direction: column;
}

.beneficio-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: 0.35rem;
}

.beneficio-desc {
    font-size: 0.88rem;
    color: var(--color-text-body);
    line-height: 1.5;
}

.beneficios-media-card {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 0 16px 40px -10px rgba(20, 43, 85, 0.15);
    border: var(--border-card);
    background: #EAF0F9;
}

.beneficios-media-card img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.beneficios-media-card:hover img {
    transform: scale(1.03);
}

/* ==========================================================================
   6. SECCIÓN NUESTRA HISTORIA (LÍNEA DE TIEMPO)
   ========================================================================== */
.historia-section {
    background-color: var(--color-bg-light);
}

.historia-timeline-container {
    margin-top: 3.5rem;
    position: relative;
}

/* Línea de tiempo horizontal */
.historia-timeline-horizontal {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    position: relative;
}

/* Línea horizontal continua */
.historia-timeline-horizontal::before {
    content: '';
    position: absolute;
    top: 14px;
    left: 8%;
    right: 8%;
    height: 3px;
    background: #C4D7F0;
    z-index: 1;
}

.timeline-step {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    z-index: 2;
}

.timeline-node {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--color-white);
    border: 3.5px solid var(--color-blue-primary);
    box-shadow: 0 0 0 5px rgba(48, 85, 216, 0.18);
    margin-bottom: 1.35rem;
    transition: transform var(--transition-base), background var(--transition-base);
}

.timeline-step:hover .timeline-node {
    transform: scale(1.25);
    background: var(--color-green);
    border-color: var(--color-green);
    box-shadow: 0 0 0 6px rgba(74, 169, 133, 0.25);
}

.timeline-year {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--color-blue-deep);
    margin-bottom: 0.35rem;
}

.timeline-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-dark);
    line-height: 1.3;
    margin-bottom: 0.25rem;
}

.timeline-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   7. SECCIÓN CERTIFICACIONES Y ALIANZAS
   ========================================================================== */
.certificaciones-section {
    background-color: var(--color-white);
}

.certificaciones-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1.25rem;
    align-items: center;
}

.cert-card {
    background: var(--color-white);
    border: var(--border-card);
    border-radius: var(--radius-lg);
    padding: 1.35rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 85px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.cert-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: #BDD4ED;
}

.cert-card img {
    max-height: 48px;
    width: auto;
    object-fit: contain;
    filter: grayscale(15%);
    transition: filter var(--transition-fast);
}

.cert-card:hover img {
    filter: grayscale(0%);
}

.cert-card-more {
    background: #F4F8FD;
    border: 1px dashed #B8D2F0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.35rem;
    color: var(--color-blue-steel);
    font-size: 0.78rem;
    font-weight: 700;
}

.cert-card-more svg {
    color: var(--color-blue-primary);
}

/* ==========================================================================
   8. LLAMADA A LA ACCIÓN (CTA FINAL)
   ========================================================================== */
.nosotros-cta-section {
    padding: 0 0 5rem;
    background-color: var(--color-white);
}

.nosotros-cta-card {
    position: relative;
    background: linear-gradient(135deg, #151855 0%, #1A257F 60%, #2035A0 100%);
    border-radius: var(--radius-2xl);
    padding: 3.5rem 3.5rem;
    color: var(--color-white);
    overflow: hidden;
    box-shadow: 0 20px 50px -10px rgba(20, 24, 85, 0.45);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2.5rem;
}

.nosotros-cta-bg-img {
    position: absolute;
    inset: 0;
    opacity: 0.16;
    pointer-events: none;
    z-index: 1;
}

.nosotros-cta-bg-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nosotros-cta-content {
    position: relative;
    z-index: 2;
    max-width: 620px;
}

.nosotros-cta-title {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 0.75rem;
    color: var(--color-white);
}

.nosotros-cta-desc {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.6;
}

.nosotros-cta-actions {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.nosotros-cta-actions .btn-whatsapp {
    background: rgba(255, 255, 255, 0.12);
    border: 1.5px solid rgba(255, 255, 255, 0.45);
    color: var(--color-white);
    backdrop-filter: blur(8px);
}

.nosotros-cta-actions .btn-whatsapp:hover {
    background: #25D366;
    border-color: #25D366;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
}

/* ==========================================================================
   ADAPTABILIDAD RESPONSIVE MÓDULO NOSOTROS
   ========================================================================== */
@media (max-width: 1200px) {
    .quienes-grid {
        grid-template-columns: 1fr 1fr;
    }

    .quienes-esencia-card {
        grid-column: span 2;
    }

    .certificaciones-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 991px) {
    .nosotros-hero {
        padding-top: 3.5rem;
        padding-bottom: 6.5rem;
        min-height: auto;
    }

    .nosotros-hero-bg-img {
        object-position: 80% center;
        opacity: 0.35;
    }

    .nosotros-hero-overlay {
        background: linear-gradient(
            180deg,
            rgba(16, 26, 69, 0.96) 0%,
            rgba(19, 32, 83, 0.90) 50%,
            rgba(19, 32, 83, 0.96) 100%
        );
    }

    .nosotros-hero-inner {
        min-height: auto;
    }

    .nosotros-hero-content {
        max-width: 100%;
    }

    .nosotros-hero-title {
        font-size: 2.75rem;
    }

    .mision-vision-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .beneficios-nosotros-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .nosotros-cta-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 2.5rem 2rem;
    }

    .certificaciones-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .quienes-grid {
        grid-template-columns: 1fr;
    }

    .quienes-esencia-card {
        grid-column: span 1;
    }

    .nosotros-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .nosotros-stat-item:not(:last-child)::after {
        display: none;
    }

    .beneficios-items-grid {
        grid-template-columns: 1fr;
    }

    /* Transformación de Línea de Tiempo a Vertical */
    .historia-timeline-horizontal {
        display: flex;
        flex-direction: column;
        gap: 2rem;
        padding-left: 2rem;
        position: relative;
    }

    .historia-timeline-horizontal::before {
        top: 0;
        bottom: 0;
        left: 14px;
        right: auto;
        width: 3px;
        height: 100%;
    }

    .timeline-step {
        position: relative;
    }

    .timeline-node {
        position: absolute;
        left: -2rem;
        top: 0;
        margin-bottom: 0;
    }

    .certificaciones-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .nosotros-hero-title {
        font-size: 2.1rem;
    }

    .nosotros-stats-grid {
        grid-template-columns: 1fr;
    }

    .valores-checklist {
        grid-template-columns: 1fr;
    }

    .nosotros-cta-title {
        font-size: 1.85rem;
    }

    .nosotros-cta-actions {
        flex-direction: column;
        width: 100%;
    }

    .nosotros-cta-actions .btn {
        width: 100%;
    }
}