/* =========================================================
   Dentali — Estilos generales
   Paleta: blanco / negro / gris claro (según lineamiento del cliente)
   ========================================================= */

:root {
  --color-black: #111111;      /* negro para títulos y texto principal */
  --color-white: #ffffff;      /* blanco base */
  --color-gray: #8a8a8a;       /* gris claro para texto secundario */
  --color-gray-bg: #f5f5f5;    /* gris muy claro para fondos de sección */
  --color-gray-border: #e2e2e2;

  --font-display: "Open Sans", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body: "Open Sans", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --container-max: 1180px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-black);
  background-color: var(--color-white);
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, .display-font {
  font-family: var(--font-display);
  color: var(--color-black);
  font-weight: 700;
}

p {
  color: var(--color-black);
  line-height: 1.65;
}

.text-secondary-gray {
  color: var(--color-gray) !important;
}

.section {
  padding: 5rem 0;
}

.section-title-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--color-gray);
  font-weight: 600;
  margin-bottom: 0.75rem;
  display: inline-block;
}

/* =========================================================
   HEADER — se superpone sobre el Hero
   ========================================================= */

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 20;
  padding: 1.5rem 0;
  transition: background-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

.site-header .navbar-brand img {
  height: 34px;
  width: auto;
  display: block;
}

.site-nav {
  column-gap: 1.4rem;
  row-gap: 0.35rem;
}

.site-header .nav-link {
  color: var(--color-white);
  font-weight: 500;
  margin: 0;
  white-space: nowrap;
}

.site-header .nav-link:hover {
  color: var(--color-gray-bg);
}

/* Estado al hacer scroll: header pasa a fondo blanco sólido */
.site-header.is-scrolled {
  position: fixed;
  background-color: var(--color-white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  padding: 0.85rem 0;
}

.site-header.is-scrolled .nav-link {
  color: var(--color-black);
}

.site-header.is-scrolled .logo-light { display: none; }
.site-header.is-scrolled .logo-dark { display: inline-block !important; }
.logo-dark { display: none; }

/* =========================================================
   HERO
   - La imagen se muestra a su tamaño/proporción real (sin cover ni zoom).
   - La sección llega hasta el borde superior de la ventana.
   - El alto de la sección lo define el propio alto de la imagen.
   ========================================================= */

.hero {
  position: relative;
  width: 100%;
  line-height: 0; /* evita espacio fantasma bajo la imagen inline */
  background-color: var(--color-black); /* color de respaldo mientras carga */
}

.hero picture {
  display: block;
  width: 100%;
  line-height: 0;
}

.hero-img {
  width: 100%;
  height: auto;      /* respeta proporción natural, no recorta ni hace zoom */
  display: block;
  object-fit: contain;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(0,0,0,0.55) 0%,
    rgba(0,0,0,0.25) 45%,
    rgba(0,0,0,0.05) 70%
  );
  pointer-events: none;
}

.hero-content {
  position: absolute;
  left: 0;
  bottom: 10%;
  max-width: 560px;
  padding: 0 1.5rem 0 2.5rem;
  text-align: left;
  color: var(--color-white);
}

.hero-content .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-gray-bg);
  margin-bottom: 0.9rem;
  display: inline-block;
}

.hero-content h1 {
  color: var(--color-white);
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero-content p {
  color: var(--color-gray-bg);
  font-size: 1.05rem;
  margin-bottom: 1.75rem;
  max-width: 460px;
}

.btn-primary-clinic {
  background-color: var(--color-white);
  color: var(--color-black);
  border: 1px solid var(--color-white);
  border-radius: 999px;
  padding: 0.95rem 2.3rem;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-primary-clinic .btn-arrow {
  display: inline-flex;
  transition: transform 0.25s ease;
}

.btn-primary-clinic:hover {
  background-color: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.38);
}

.btn-primary-clinic:hover .btn-arrow {
  transform: translateX(5px);
}

.btn-primary-clinic:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 3px;
}

.btn-primary-clinic:active {
  transform: translateY(-1px);
}

.btn-outline-clinic {
  background: transparent;
  color: var(--color-black);
  border: 1px solid var(--color-black);
  border-radius: 999px;
  padding: 0.75rem 1.9rem;
  font-weight: 600;
  transition: all 0.2s ease;
  display: inline-block;
}

.btn-outline-clinic:hover {
  background: var(--color-black);
  color: var(--color-white);
}

@media (max-width: 576px) {
  .hero-content {
    max-width: 90%;
    bottom: 6%;
    padding: 0 1.25rem;
  }
}

/* =========================================================
   FAQ
   ========================================================= */

.faq-section {
  background-color: var(--color-white);
}

.accordion-item {
  border: none;
  border-bottom: 1px solid var(--color-gray-border);
  background: transparent;
}

.accordion-button {
  background: transparent;
  color: var(--color-black);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 1.25rem 0;
  box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
  background: transparent;
  color: var(--color-black);
}

.accordion-button::after {
  filter: none;
}

.accordion-body {
  color: var(--color-gray);
  padding: 0 0 1.5rem 0;
  max-width: 90%;
}

/* =========================================================
   ARTÍCULOS
   ========================================================= */

.articles-section {
  background-color: var(--color-gray-bg);
}

.article-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: 10px;
  overflow: hidden;
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.06);
}

.article-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.article-card .article-body {
  padding: 1.4rem;
}

.article-card .article-category {
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-gray);
  font-weight: 600;
}

.article-card h3 {
  font-size: 1.15rem;
  margin: 0.5rem 0 0.6rem;
}

.article-card p {
  color: var(--color-gray);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}

.article-card .article-link {
  color: var(--color-black);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--color-black);
  padding-bottom: 2px;
}

/* =========================================================
   FOOTER
   ========================================================= */

.site-footer {
  background-color: var(--color-black);
  color: var(--color-gray-bg);
  padding: 3.5rem 0 1.5rem;
}

.site-footer h5 {
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.1rem;
  font-family: var(--font-body);
}

.site-footer a {
  color: var(--color-gray);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 0.55rem;
  font-size: 0.92rem;
}

.site-footer a:hover {
  color: var(--color-white);
}

.site-footer .footer-bottom {
  border-top: 1px solid #2b2b2b;
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  font-size: 0.82rem;
  color: #7a7a7a;
}

.site-footer .footer-bottom a {
  display: inline;
  margin: 0 0.4rem;
}

/* =========================================================
   BANNER DE COOKIES — Ley 21.719 (Ley de Protección de Datos Personales, Chile)
   ========================================================= */

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1050;
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-border);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
  padding: 1.25rem 0;
  transform: translateY(110%);
  transition: transform 0.4s ease;
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-banner p {
  color: var(--color-black);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.cookie-banner .cookie-link {
  color: var(--color-black);
  text-decoration: underline;
}

.cookie-banner .btn-cookie-accept {
  background: var(--color-black);
  color: var(--color-white);
  border: 1px solid var(--color-black);
  border-radius: 6px;
  padding: 0.55rem 1.3rem;
  font-weight: 600;
  font-size: 0.88rem;
}

.cookie-banner .btn-cookie-reject,
.cookie-banner .btn-cookie-config {
  background: transparent;
  color: var(--color-black);
  border: 1px solid var(--color-gray-border);
  border-radius: 6px;
  padding: 0.55rem 1.1rem;
  font-weight: 600;
  font-size: 0.88rem;
}

.cookie-banner .btn-cookie-reject:hover,
.cookie-banner .btn-cookie-config:hover {
  border-color: var(--color-black);
}

/* Modal de configuración de cookies */
#cookieConfigModal .modal-content {
  border-radius: 10px;
  border: none;
}

#cookieConfigModal .form-check-label strong {
  color: var(--color-black);
}

#cookieConfigModal .form-check-label small {
  color: var(--color-gray);
  display: block;
}

/* =========================================================
   TIPOGRAFÍA RESPONSIVA
   Reduce el tamaño base y de los elementos clave en pantallas
   pequeñas, ya que las clases de Bootstrap (h1-h6, etc.) están
   pensadas para desktop y se ven sobredimensionadas en mobile.
   ========================================================= */

@media (max-width: 767.98px) {
  html {
    font-size: 15px; /* reduce proporcionalmente todo lo basado en rem */
  }

  .section {
    padding: 3.5rem 0;
  }

  .section-title-eyebrow {
    font-size: 0.72rem;
  }

  h2 {
    font-size: 1.6rem;
  }

  h3 {
    font-size: 1.2rem;
  }

  .hero-content {
    max-width: 88%;
    bottom: 7%;
    padding: 0 1.25rem;
  }

  .hero-content .eyebrow {
    font-size: 0.7rem;
    margin-bottom: 0.6rem;
  }

  .hero-content h1 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
  }

  .hero-content p {
    font-size: 0.88rem;
    margin-bottom: 1.25rem;
    max-width: 100%;
  }

  .btn-primary-clinic,
  .btn-outline-clinic {
    font-size: 0.85rem;
    padding: 0.7rem 1.5rem;
  }

  .site-header .nav-link {
    font-size: 0.8rem;
  }

  .site-header .navbar-brand img {
    height: 26px;
  }

  .accordion-button {
    font-size: 0.92rem;
    padding: 1rem 0;
  }

  .accordion-body {
    font-size: 0.88rem;
    max-width: 100%;
  }

  .article-card h3 {
    font-size: 1rem;
  }

  .article-card p {
    font-size: 0.85rem;
  }

  .article-card .article-category {
    font-size: 0.68rem;
  }

  .site-footer h5 {
    font-size: 0.92rem;
  }

  .site-footer a {
    font-size: 0.85rem;
  }

  .cookie-banner p {
    font-size: 0.82rem;
  }

  .cookie-banner .btn-cookie-accept,
  .cookie-banner .btn-cookie-reject,
  .cookie-banner .btn-cookie-config {
    font-size: 0.82rem;
    padding: 0.5rem 1rem;
  }
}

@media (max-width: 400px) {
  html {
    font-size: 14px;
  }

  .hero-content h1 {
    font-size: 1.3rem;
  }
}