*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-cuerpo);
  color: var(--sienra-text);
  background: var(--sienra-bg);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-titulo);
  line-height: 1.3;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.btn-primary {
  background: var(--sienra-primary);
  color: #fff;
  border-radius: var(--sienra-radius);
  padding: 14px 32px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: background-color 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--sienra-primary-dark);
}

.card {
  background: #fff;
  border-radius: var(--sienra-radius);
  box-shadow: var(--sienra-shadow);
  border: 1px solid var(--sienra-border);
  padding: 32px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(45, 36, 32, 0.12);
}

.section {
  padding: 80px 0;
}

.section-secondary {
  background: var(--sienra-bg-secondary);
}

/* ——— Header ——— */

.site-header {
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 100;
  box-shadow: 0 1px 0 var(--sienra-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
  position: relative;
}

.header-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.header-logo {
  display: block;
  height: 64px;
  width: auto;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--sienra-border);
  border-radius: var(--sienra-radius);
  background: #fff;
  cursor: pointer;
}

.menu-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--sienra-text);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.site-nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.site-nav-list a {
  display: inline-block;
  padding: 10px 14px;
  color: var(--sienra-text);
  text-decoration: none;
  font-weight: 500;
  border-radius: calc(var(--sienra-radius) / 2);
  transition: color 0.2s, background-color 0.2s;
}

.site-nav-list a:not(.btn-primary):hover,
.site-nav-list a:not(.btn-primary).active {
  color: var(--sienra-primary-dark);
  background: var(--sienra-bg-secondary);
}

.site-nav-list a:not(.btn-primary).active {
  font-weight: 600;
}

.site-nav-cta .btn-primary {
  padding: 12px 24px;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    background: #fff;
    border-top: 1px solid var(--sienra-border);
    box-shadow: var(--sienra-shadow);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease, visibility 0.2s;
  }

  .site-nav.nav-open {
    max-height: 480px;
    opacity: 1;
    visibility: visible;
  }

  .site-header:has(.site-nav.nav-open) .menu-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header:has(.site-nav.nav-open) .menu-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .site-header:has(.site-nav.nav-open) .menu-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px 24px 24px;
  }

  .site-nav-list li {
    width: 100%;
  }

  .site-nav-list a {
    display: block;
    width: 100%;
    padding: 14px 12px;
  }

  .site-nav-cta {
    margin-top: 8px;
  }

  .site-nav-cta .btn-primary {
    display: block;
    width: 100%;
    text-align: center;
  }
}

/* ——— Hero (inicio) ——— */

.hero {
  background: linear-gradient(180deg, var(--sienra-bg-secondary) 0%, var(--sienra-bg) 100%);
  /* background-image: url('../img/hero/consultorio.jpg'); */
  background-size: cover;
  background-position: center;
  padding: 100px 0;
  text-align: center;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero-kicker {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sienra-primary);
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--sienra-text-secondary);
  max-width: 640px;
  margin-bottom: 40px;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px 32px;
  list-style: none;
  margin-bottom: 40px;
  width: 100%;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--sienra-text);
}

.hero-feature-icon {
  flex-shrink: 0;
  color: var(--sienra-accent);
}

.hero-cta {
  margin-bottom: 20px;
}

.hero-meta {
  font-size: 0.875rem;
  color: var(--sienra-text-secondary);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .hero {
    padding: 64px 0;
  }

  .hero-lead {
    font-size: 1rem;
    margin-bottom: 32px;
  }

  .hero-features {
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
  }

  .hero-feature {
    max-width: 280px;
    text-align: left;
  }

  .hero-cta {
    display: block;
    width: 100%;
    max-width: 320px;
    text-align: center;
  }
}

/* ——— Servicios ——— */

.servicios-title {
  text-align: center;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: 48px;
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.servicio-card {
  display: flex;
  flex-direction: column;
}

.servicio-icon {
  color: var(--sienra-primary);
  margin-bottom: 20px;
}

.servicio-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.servicio-card p {
  color: var(--sienra-text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

.servicio-link {
  color: var(--sienra-primary);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s;
}

.servicio-link:hover {
  color: var(--sienra-primary-dark);
}

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

  .servicios-title {
    margin-bottom: 32px;
  }
}

/* ——— Nosotros / Equipo ——— */

.nosotros-title {
  text-align: center;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: 24px;
}

.nosotros-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
  color: var(--sienra-text-secondary);
  font-size: 1.0625rem;
}

.equipo-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px 48px;
}

.equipo-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 260px;
}

.equipo-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--sienra-border);
  margin-bottom: 16px;
  flex-shrink: 0;
}

.equipo-nombre {
  font-size: 1.0625rem;
  margin-bottom: 6px;
}

.equipo-especialidad {
  font-size: 0.9375rem;
  color: var(--sienra-text-secondary);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .nosotros-intro {
    margin-bottom: 40px;
    font-size: 1rem;
  }

  .equipo-grid {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }
}

/* ——— Sedes ——— */

.sedes-title {
  text-align: center;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: 48px;
}

.sedes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.sede-card {
  display: flex;
  flex-direction: column;
}

.sede-nombre {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.sede-info {
  list-style: none;
  margin-bottom: 20px;
  flex-grow: 1;
}

.sede-info li {
  margin-bottom: 10px;
  font-size: 0.9375rem;
  color: var(--sienra-text-secondary);
  line-height: 1.5;
}

.sede-info li:last-child {
  margin-bottom: 0;
}

.sede-label {
  display: block;
  font-weight: 600;
  color: var(--sienra-text);
  margin-bottom: 2px;
}

.sede-mapa {
  display: block;
  width: 100%;
  height: 220px;
  border: 0;
  border-radius: var(--sienra-radius);
}

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

  .sedes-title {
    margin-bottom: 32px;
  }
}

/* ——— Pasos (primera consulta) ——— */

.pasos-title {
  text-align: center;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: 48px;
}

.pasos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px 24px;
}

.paso-numero {
  display: block;
  font-family: var(--font-titulo);
  color: var(--sienra-primary);
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 12px;
}

.paso-titulo {
  font-size: 1.125rem;
  margin-bottom: 10px;
}

.paso-texto {
  font-size: 0.9375rem;
  color: var(--sienra-text-secondary);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .pasos-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .pasos-title {
    margin-bottom: 32px;
  }
}

/* ——— Estadísticas ——— */

.stats-section {
  text-align: center;
}

.stats-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 48px 64px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 160px;
}

.stat-numero {
  font-family: var(--font-titulo);
  color: var(--sienra-primary);
  font-size: 3rem;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-etiqueta {
  font-size: 0.9375rem;
  color: var(--sienra-text-secondary);
  font-weight: 500;
}

@media (max-width: 768px) {
  .stats-grid {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }
}

/* ——— FAQ ——— */

.faq-title {
  text-align: center;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: 48px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  padding: 24px 32px;
}

.faq-item:hover {
  transform: none;
}

.faq-item summary {
  font-family: var(--font-titulo);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--sienra-text);
  cursor: pointer;
  list-style-position: outside;
  padding-left: 4px;
  padding-right: 8px;
  transition: color 0.2s;
}

.faq-item summary::marker {
  color: var(--sienra-primary);
  font-size: 1.1em;
}

.faq-item summary::-webkit-details-marker {
  color: var(--sienra-primary);
}

.faq-item[open] {
  border-color: var(--sienra-primary);
  box-shadow: 0 6px 28px rgba(45, 36, 32, 0.1);
}

.faq-item[open] summary {
  color: var(--sienra-primary-dark);
  margin-bottom: 4px;
}

.faq-item[open] summary::marker {
  color: var(--sienra-primary-dark);
}

.faq-item p {
  color: var(--sienra-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  padding-top: 16px;
  margin-top: 12px;
  border-top: 1px solid var(--sienra-border);
}

@media (max-width: 768px) {
  .faq-title {
    margin-bottom: 32px;
  }

  .faq-item {
    padding: 20px 24px;
  }
}

/* ——— Página trayectoria ——— */

.trayectoria-layout {
  display: grid;
  grid-template-columns: minmax(260px, 380px) 1fr;
  gap: 2rem;
  align-items: start;
}

.trayectoria-aside {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.trayectoria-photo {
  width: 100%;
  max-width: 380px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.trayectoria-tabs-wrap {
  background: var(--sienra-bg-secondary);
  border-radius: var(--sienra-radius);
  padding: 1.25rem 1.5rem;
}

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

  .trayectoria-photo {
    max-width: 320px;
  }
}

/* ——— Tabs de trayectoria ——— */

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.tab-btn {
  border-radius: 999px;
  padding: 10px 20px;
  border: 1px solid var(--sienra-border);
  background: transparent;
  color: var(--sienra-text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.tab-btn.active {
  background: var(--sienra-primary);
  color: #fff;
  border-color: transparent;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.tab-panel ul {
  padding-left: 20px;
  color: var(--sienra-text-secondary);
}

.tab-panel li + li {
  margin-top: 10px;
}

/* ——— Footer ——— */

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 769px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}