/* ========== VARIABLES GLOBALES ========== */
:root {
    --rtb-light: #57c5b6;
    --rtb-medium: #159895;
    --rtb-dark: #1a5f7a;
    --rtb-deep: #002b5b;
    --rtb-white: #ffffff;
    --rtb-gold: #ad9551;
    --rtb-black: #000000;
    --rtb-nav: #246a62;
    --transition: 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem; 
    --spacing-xl: 3rem;
}

/* ========== RESET Y ESTILOS BASE ========== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:focus-visible {
    outline: 2px solid var(--rtb-gold);
    outline-offset: 2px;
}

body {
    overflow-x: hidden;
    background-color: var(--rtb-white);
    color: var(--rtb-black);
    font-family: 'Times New Roman', Times, serif;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========== COMPONENTES REUTILIZABLES ========== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--rtb-gold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: clamp(64px, 12vw, 120px);
    height: 4px;
    background-color: var(--rtb-gold);
    border-radius: 2px;
}

.section-subtitle {
    font-size: clamp(1.3rem, 3vw, 1.6rem);
    font-weight: 600;
    color: var(--rtb-dark);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    line-height: 1.3;
}

.paragraph {
    font-size: clamp(1rem, 1.1vw, 1.1rem);
    line-height: 1.7;
    max-width: 70ch;
    margin: 0 0 clamp(16px, 2.2vw, 28px);
}

.paragraph.lead {
    font-size: inherit;
    color: inherit;
}

/* Elemento gráfico para evitar espacios en blanco en Presentación */
.about-accent {
  height: 0;
  margin: var(--spacing-md) 0 var(--spacing-lg);
  border-bottom: 2px solid var(--rtb-gold);
  background: none;
  border-radius: 0;
  box-shadow: none;
}

/* Grid de presentación: texto izquierda, gráfico derecha */
.about-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(320px, 40vw, 560px);
  gap: clamp(16px, 3vw, 32px);
  align-items: start;
  margin-top: var(--spacing-md);
}

.about-intro-graphic {
  background: linear-gradient(180deg, rgba(173,149,81,0.08), rgba(173,149,81,0));
  border-bottom: 3px solid var(--rtb-gold);
  border-radius: var(--border-radius);
  padding: var(--spacing-xs);
  box-shadow: var(--shadow-sm);
}

.about-intro-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: calc(var(--border-radius) - 2px);
}

@media (max-width: 768px) {
  .about-intro-grid {
    grid-template-columns: 1fr;
  }
  .about-intro-graphic {
    margin-top: var(--spacing-md);
  }
  .about-intro-image {
    aspect-ratio: 4 / 3;
  }
}

.highlight {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    font-weight: 700;
    color: var(--rtb-gold);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    text-align: center;
    border-left: 4px solid var(--rtb-gold);
    background-color: rgba(173, 149, 81, 0.05);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* ========== SECCIÓN NOSOTROS ========== */
.about-section {
    background-color: var(--rtb-white);
    margin-top: -1rem;
}

.about-header {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.decorative-image {
    width: 100%;
    max-height: 640px;
    object-fit: cover;
    object-position: center 35%;
    margin: var(--spacing-md) 0;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

/* ========== SECCIÓN HISTORIA ========== */
.history-section {
    background-color: var(--rtb-white);
    margin-top: -5rem ;
    padding-top: var(--spacing-lg);
}

.parent {
display: grid;
grid-template-columns: repeat(5, 1fr);
grid-template-rows: repeat(5, 1fr);
grid-column-gap: 0px;
grid-row-gap: 0px;
}

.div1 { grid-area: 1 / 1 / 6 / 4; }
.div2 { grid-area: 1 / 4 / 6 / 6; }

.timeline {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 0.75rem 1rem;
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    position: relative;
    justify-items: center;
    align-items: center;
}

.timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-sm);
    position: relative;
}

.timeline-icon {
    width: 60px;
    height: 60px;
    background-size: cover;
    background-position: center;
    border-radius: 50%;
    z-index: 1;
    border: 3px solid var(--rtb-gold);
    box-shadow: 0 0 0 3px #fff, 0 6px 16px rgba(0,0,0,0.08);
    position: relative;
    margin-inline: auto;
}
/* Conector horizontal del ícono hacia la tarjeta */
.timeline-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 60px; /* borde derecho del ícono */
    transform: translateY(-50%);
    width: 16px;
    height: 2px;
    background-color: var(--rtb-dark);
    border-radius: 2px;
}

.vertical-line {
    display: none;
}

/* Línea continua del timeline en la primera columna */
.timeline::before {
    content: "";
    position: absolute;
    left: 60px; /* centro exacto de la primera columna (80px/2) */
    top: 45px; /* centro del primer ícono (60px/2) */
    bottom: 45px; /* centro del último ícono */
    width: 3px;
    background-color: var(--rtb-dark);
    border-radius: 2px;
    transform: translateX(-50%); /* centra la línea respecto al punto izquierdo */
}

.timeline-content {
    padding: var(--spacing-sm);
    background: rgba(173,149,81,0.06);
    border-left: 3px solid var(--rtb-gold);
    border-radius: var(--border-radius);
    align-self: center;
}

.timeline-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--rtb-dark);
    margin-bottom: 0.25rem;
}

.timeline-detail {
    font-size: 1rem;
    color: var(--rtb-black);
}

/* ========== SECCIÓN FILOSOFÍA ========== */
.philosophy-section {
    background-color: var(--rtb-white);
    margin-top: -5.5rem ;
}

.sub-subtitle {
    font-size: clamp(1.2rem, 2.4vw, 1.45rem);
    font-weight: 600;
    color: var(--rtb-dark);
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.values-list {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.values-list li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 3vw, 32px);
  margin-top: var(--spacing-md);
}

.philosophy-card {
  background-color: rgba(173,149,81,0.06);
  border-left: 5px solid var(--rtb-gold);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.philosophy-card .sub-subtitle {
  margin-bottom: var(--spacing-sm);
  color: var(--rtb-deep);
}

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

.values-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(16px, 2.5vw, 28px);
    margin: var(--spacing-md) 0;
}

.value-card {
    background-color: #f9f9f9;
    padding: var(--spacing-md);
    border-left: 4px solid var(--rtb-gold);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
    height: 100%;
}
@media (hover: hover) {
  .value-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }
}

.value-card h3 {
    font-size: clamp(1.1rem, 1.8vw, 1.375rem);
    font-weight: 600;
    color: var(--rtb-gold);
    margin-bottom: var(--spacing-xs);
}

/* Bloque CTA al final de Filosofía */
.cta-block {
  background: #f8f5ee;
  border-left: 4px solid var(--rtb-gold);
  border-radius: var(--border-radius);
  padding: clamp(16px, 2vw, 24px);
  margin-top: var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  align-items: center;
  gap: var(--spacing-sm);
  text-align: center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.cta-block strong {
  display: block;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--rtb-deep);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(12px, 2vw, 16px);
  margin-top: var(--spacing-sm);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: clamp(10px, 1.2vw, 14px) clamp(16px, 2vw, 22px);
  border: 2px solid var(--rtb-gold);
  border-radius: 999px;
  color: var(--rtb-deep);
  background: var(--rtb-white);
  font-weight: 600;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

@media (hover: hover) {
  .cta-btn:hover {
    background: var(--rtb-gold);
    color: var(--rtb-white);
    transform: translateY(-1px);
  }
}

.cta-btn.primary {
  background: var(--rtb-gold);
  color: var(--rtb-white);
}

.cta-btn:focus-visible {
  outline: 2px solid var(--rtb-gold);
  outline-offset: 2px;
}

.cta-btn.primary:hover {
  background: #c1aa60;
}

/* Accesibilidad y rendimiento */
:focus-visible {
  outline: 2px solid var(--rtb-gold);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

.privacy {
    font-size: 0.9rem;
    color: var(--rtb-black);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed var(--rtb-gold);
}

/* Bloque mejorado de Aviso de Privacidad */
.privacy-block {
  background: #fff8ef;
  border-left: 4px solid var(--rtb-gold);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  padding: clamp(16px, 2vw, 24px);
  margin-top: var(--spacing-lg);
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.privacy-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--rtb-deep);
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.privacy-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 96px;
  height: 3px;
  background: linear-gradient(90deg, var(--rtb-gold), rgba(173,149,81,0.3));
  border-radius: 2px;
}

.privacy-text {
  max-width: 80ch;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

/* Texto + icono a la derecha en dos columnas */
.privacy-content {
  display: grid;
  grid-template-columns: 1fr 120px;
  align-items: center; /* centra verticalmente el icono respecto al texto */
  gap: var(--spacing-md);
  padding-right: clamp(24px, 6vw, 80px); /* espacio interior para que el icono no pegue al borde */
}

.privacy-icon-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  justify-self: center; /* centra el bloque dentro de su columna */
}

.privacy-icon-side > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--rtb-gold);
  box-shadow: 0 6px 16px rgba(0,0,0,0.08);
  text-decoration: none;
  border: 2px solid rgba(173,149,81,0.45);
  transition: transform 160ms ease, filter 160ms ease, box-shadow 160ms ease;
}

.privacy-icon-side > a:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}

.privacy-icon-side > a:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.privacy-icon-side img {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 3px 8px rgba(0,0,0,0.1));
}

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

.privacy-contact {
  display: grid;
  grid-template-columns: repeat(2, minmax(200px, 1fr));
  gap: clamp(12px, 2vw, 16px);
  margin-top: var(--spacing-md);
}

.privacy-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--rtb-deep);
  text-decoration: none;
  background: rgba(173,149,81,0.08);
  border: 1px solid rgba(173,149,81,0.25);
  border-radius: 999px;
  padding: 0.5rem 0.75rem;
  transition: background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.privacy-link:hover {
  background: rgba(173,149,81,0.14);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.privacy-link:focus-visible {
  outline: 2px solid var(--rtb-gold);
  outline-offset: 2px;
}

/* Botón centrado para descargar el Aviso de Privacidad */
.privacy-download {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  margin: var(--spacing-md) 0;
}

.privacy-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  background: var(--rtb-gold);
  color: #fff;
  border-radius: 999px;
  padding: 0.6rem 1rem;
  box-shadow: 0 6px 16px rgba(0,0,0,0.08);
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}

.privacy-download-btn img,
.privacy-download-btn svg {
  width: 24px;
  height: 24px;
}

.privacy-download-btn:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}

.privacy-download-btn:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 2px;
}

.privacy-icon-credit {
  font-size: 0.8rem;
  color: var(--rtb-black);
  opacity: 0.7;
}

/* Icono independiente centrado bajo el bloque */
.privacy-icon-alone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  margin: var(--spacing-lg) 0 var(--spacing-xl);
}

.privacy-icon-alone img {
  width: 72px;
  height: 72px;
  filter: drop-shadow(0 6px 14px rgba(0,0,0,0.08));
}

.privacy-icon-alone a:hover img {
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .privacy-contact { grid-template-columns: 1fr; }
  .privacy-link { justify-content: center; }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
        --spacing-md: 1rem;
    }
    
    .about-header {
        flex-direction: column;
    }
    
    .timeline {
        grid-template-columns: 30px 1fr;
        padding: 0;
    }
    
    .value-card {
        padding: var(--spacing-sm);
    }
    
    .highlight {
        padding: var(--spacing-sm);
        margin: var(--spacing-md) 0;
    }
}

@media (max-width: 480px) {
    .values-container {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
}

/* ========== MEJORAS DE DISEÑO Y RESPONSIVIDAD (OVERRIDES) ========== */
/* Eliminar márgenes negativos entre secciones para espaciado consistente */
.about-section { margin-top: 0; }
.history-section { margin-top: 0; padding-top: var(--spacing-md); }
.philosophy-section { margin-top: 0; padding-top: var(--spacing-md); }

/* Imagen decorativa con proporción fija y mejor recorte visual */
.decorative-image { aspect-ratio: 2 / 1; object-position: center 35%; }
@media (max-width: 768px) {
  .decorative-image { aspect-ratio: 16 / 9; max-height: 360px; object-position: center; }
}

/* Contenedor del héroe con overlay suave */
.hero-image { position: relative; border-radius: var(--border-radius); overflow: hidden; }
/* Sin overlay para evitar sombra visual */
.hero-image::after { content: none; position: absolute; inset: 0; background: none; pointer-events: none; }
/* Quitar la sombra de la imagen del héroe únicamente */
.hero-image .decorative-image { box-shadow: none; }

/* Timeline más ligera en móviles */
@media (max-width: 768px) {
  .timeline { grid-template-columns: 64px 1fr; padding: 0; }
  .timeline-icon { width: 48px; height: 48px; }
  .timeline::before { left: 32px; width: 2px; top: 24px; bottom: 24px; transform: translateX(-50%); }
  .timeline-icon::after { left: 48px; width: 12px; }
}

/* XL y XXL para pantallas grandes */
@media (min-width: 1440px) {
  .container { max-width: 1400px; }
  .section { padding: calc(var(--spacing-xl) + 0.5rem) 0; }
  .section-title { font-size: clamp(2rem, 3.2vw, 3rem); }
  .values-container { gap: clamp(20px, 2vw, 32px); }
}

@media (min-width: 1920px) {
  .container { max-width: 1600px; }
  .section { padding: calc(var(--spacing-xl) + 1rem) 0; }
  .section-title { font-size: clamp(2.2rem, 2.8vw, 3.2rem); }
  .values-container { gap: calc(var(--spacing-md) + 0.5rem); }
}