/* =========================================================
   CLÍNICA DE ESPECIALIDADES VETERINARIAS DR. LEO
   Hoja de estilos maestra
   Paleta: Azul institucional + Blanco + Acentos dorados
   ========================================================= */

:root {
  /* Azules institucionales */
  --azul-clinico: #1e3a5f;
  --azul-medio: #2c5282;
  --azul-claro: #ebf4fb;
  --azul-profundo: #0f2747;

  /* Acento dorado */
  --dorado: #c9a961;
  --dorado-oscuro: #a08740;
  --dorado-suave: #f5ecd6;

  /* Neutros */
  --gris-texto: #2d3748;
  --gris-medio: #4a5568;
  --gris-suave: #f7f9fc;
  --gris-borde: #e2e8f0;
  --blanco: #ffffff;

  /* Funcionales */
  --advertencia: #c05621;
  --exito: #2f855a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Georgia', 'Times New Roman', serif;
  line-height: 1.7;
  color: var(--gris-texto);
  background-color: var(--blanco);
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  color: var(--azul-clinico);
  font-weight: 600;
  line-height: 1.3;
}
h1 { font-size: 2.6rem; margin-bottom: 1rem; }
h2 { font-size: 2rem; margin-bottom: 1.2rem; }
h3 { font-size: 1.4rem; margin-bottom: 0.8rem; color: var(--azul-medio); }
h4 { font-size: 1.15rem; margin-bottom: 0.6rem; }

.titulo-seccion {
  text-align: center;
  margin-bottom: 0.5rem;
}
.titulo-seccion::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--dorado);
  margin: 1rem auto 0;
}
.subtitulo-seccion {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
  color: var(--gris-medio);
  font-style: italic;
}

p { margin-bottom: 1rem; }
ul, ol { margin-left: 1.4rem; margin-bottom: 1rem; }
li { margin-bottom: 0.5rem; }
a { color: var(--azul-medio); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--dorado-oscuro); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container-estrecho {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
}
section.alterna { background-color: var(--gris-suave); }

/* =========================================================
   HEADER + NAVEGACIÓN
   ========================================================= */
.header-sitio {
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(30, 58, 95, 0.04);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.logo-sitio {
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--azul-clinico);
  letter-spacing: 0.5px;
  text-decoration: none;
  line-height: 1.2;
}
.logo-sitio:hover { color: var(--azul-clinico); }
.logo-sitio .logo-acento {
  color: var(--dorado);
}
.logo-sitio .logo-sub {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 2px;
  color: var(--gris-medio);
  text-transform: uppercase;
  margin-top: 0.2rem;
}

.nav-principal {
  display: flex;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  flex-wrap: wrap;
  align-items: center;
}
.nav-principal a {
  display: block;
  padding: 0.6rem 1rem;
  color: var(--gris-texto);
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 4px;
  transition: all 0.2s;
  position: relative;
}
.nav-principal a:hover {
  color: var(--azul-clinico);
  background: var(--azul-claro);
}
.nav-principal a.activo {
  color: var(--azul-clinico);
  font-weight: 600;
}
.nav-principal a.activo::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background: var(--dorado);
}
.nav-principal a.nav-cta {
  background: var(--azul-clinico);
  color: var(--blanco);
  padding: 0.6rem 1.2rem;
}
.nav-principal a.nav-cta:hover {
  background: var(--dorado);
  color: var(--azul-clinico);
}

/* Hamburger para mobile */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--azul-clinico);
  cursor: pointer;
}

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav-principal {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    margin-top: 1rem;
  }
  .nav-principal.abierto { display: flex; }
  .nav-principal a { padding: 0.8rem 1rem; }
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  background: linear-gradient(135deg, var(--azul-profundo) 0%, var(--azul-clinico) 50%, var(--azul-medio) 100%);
  color: var(--blanco);
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: center;
}
.hero-eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.85rem;
  color: var(--dorado);
  margin-bottom: 1.2rem;
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-weight: 600;
}
.hero h1 {
  color: var(--blanco);
  font-size: 3rem;
  margin-bottom: 1.2rem;
  line-height: 1.2;
}
.hero .hero-sub {
  font-size: 1.25rem;
  max-width: 780px;
  margin: 0 auto 2rem;
  opacity: 0.95;
  font-style: italic;
  line-height: 1.6;
}
.hero .hero-extra {
  font-size: 0.95rem;
  max-width: 720px;
  margin: 0 auto 2.5rem;
  opacity: 0.8;
}
.hero-acciones {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 720px) {
  .hero { padding: 4rem 0 3.5rem; }
  .hero h1 { font-size: 2.1rem; }
  .hero .hero-sub { font-size: 1.05rem; }
  h2 { font-size: 1.7rem; }
}

/* Hero pequeño (páginas internas) */
.hero-interno {
  background: linear-gradient(135deg, var(--azul-profundo) 0%, var(--azul-clinico) 100%);
  color: var(--blanco);
  padding: 3.5rem 0 3rem;
  text-align: center;
  position: relative;
}
.hero-interno::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--dorado);
  margin: 1.5rem auto 0;
}
.hero-interno h1 {
  color: var(--blanco);
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}
.hero-interno p {
  opacity: 0.9;
  font-style: italic;
  max-width: 680px;
  margin: 0.5rem auto 0;
}

/* =========================================================
   BOTONES Y CTAS
   ========================================================= */
.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  border-radius: 4px;
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s;
}
.btn-primario {
  background: var(--dorado);
  color: var(--azul-clinico);
  border-color: var(--dorado);
}
.btn-primario:hover {
  background: var(--dorado-oscuro);
  border-color: var(--dorado-oscuro);
  color: var(--blanco);
}
.btn-secundario {
  background: transparent;
  color: var(--blanco);
  border-color: var(--blanco);
}
.btn-secundario:hover {
  background: var(--blanco);
  color: var(--azul-clinico);
}
.btn-oscuro {
  background: var(--azul-clinico);
  color: var(--blanco);
  border-color: var(--azul-clinico);
}
.btn-oscuro:hover {
  background: var(--dorado);
  color: var(--azul-clinico);
  border-color: var(--dorado);
}

/* =========================================================
   GRIDS Y TARJETAS
   ========================================================= */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.8rem;
  margin-top: 2rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 6px;
  padding: 2rem 1.8rem;
  box-shadow: 0 2px 10px rgba(30, 58, 95, 0.05);
  transition: transform 0.25s, box-shadow 0.25s;
  position: relative;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(30, 58, 95, 0.1);
}
.card.con-borde-dorado {
  border-top: 3px solid var(--dorado);
}
.card.destacada {
  border-top: 3px solid var(--azul-clinico);
  background: var(--azul-claro);
}
.card-icono {
  font-size: 2rem;
  color: var(--dorado);
  margin-bottom: 1rem;
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-weight: 700;
}
.card-titulo {
  color: var(--azul-clinico);
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
}
.card a.card-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--azul-medio);
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.card a.card-link::after {
  content: " ›";
  color: var(--dorado);
  transition: margin-left 0.2s;
}
.card a.card-link:hover::after {
  margin-left: 4px;
}

/* =========================================================
   CAJAS INFORMATIVAS
   ========================================================= */
.caja-legal {
  background-color: #fff8e6;
  border-left: 4px solid var(--advertencia);
  padding: 1.4rem 1.6rem;
  margin: 1.8rem 0;
  border-radius: 4px;
}
.caja-legal p { margin-bottom: 0.5rem; }
.caja-legal p:last-child { margin-bottom: 0; }

.caja-nota {
  background-color: var(--azul-claro);
  border-left: 4px solid var(--azul-medio);
  padding: 1.4rem 1.6rem;
  margin: 1.8rem 0;
  border-radius: 4px;
}
.caja-dorada {
  background-color: var(--dorado-suave);
  border-left: 4px solid var(--dorado);
  padding: 1.4rem 1.6rem;
  margin: 1.8rem 0;
  border-radius: 4px;
}

.texto-protegido {
  font-size: 0.92rem;
  color: var(--gris-medio);
  background: var(--gris-suave);
  padding: 1rem 1.2rem;
  border-radius: 4px;
  border-left: 3px solid var(--azul-medio);
  margin-top: 1.2rem;
  font-style: italic;
}

/* =========================================================
   DOS COLUMNAS COMPARATIVAS
   ========================================================= */
.dos-columnas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}
@media (max-width: 720px) {
  .dos-columnas { grid-template-columns: 1fr; }
}
.col-positiva {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-top: 4px solid var(--exito);
  padding: 1.5rem;
  border-radius: 4px;
}
.col-negativa {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-top: 4px solid var(--advertencia);
  padding: 1.5rem;
  border-radius: 4px;
}

/* =========================================================
   PROCESO POR PASOS
   ========================================================= */
.pasos { counter-reset: paso; margin-top: 2rem; }
.paso {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.8rem;
  align-items: flex-start;
}
.paso-numero {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--azul-clinico);
  color: var(--dorado);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  border: 2px solid var(--dorado);
}
.paso-contenido h4 { margin-bottom: 0.3rem; }

/* =========================================================
   VALORES / FEATURES
   ========================================================= */
.valor-item {
  text-align: center;
  padding: 1.5rem;
}
.valor-numero {
  display: inline-block;
  width: 60px;
  height: 60px;
  border: 2px solid var(--dorado);
  border-radius: 50%;
  line-height: 56px;
  text-align: center;
  color: var(--dorado-oscuro);
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

/* =========================================================
   EQUIPO MÉDICO
   ========================================================= */
.equipo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.8rem;
  margin-top: 2rem;
}
.medico-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-top: 4px solid var(--azul-clinico);
  border-radius: 6px;
  padding: 1.8rem;
  box-shadow: 0 2px 10px rgba(30, 58, 95, 0.05);
  position: relative;
}
.medico-card::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 50px;
  height: 4px;
  background: var(--dorado);
}
.medico-header {
  border-bottom: 1px solid var(--gris-borde);
  padding-bottom: 1rem;
  margin-bottom: 1.2rem;
}
.medico-header h3 {
  color: var(--azul-clinico);
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
}
.medico-rol {
  color: var(--azul-medio);
  font-weight: 600;
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-size: 0.95rem;
  margin-bottom: 0.3rem !important;
}
.medico-cmvp {
  font-size: 0.85rem;
  color: var(--dorado-oscuro);
  font-style: italic;
  font-weight: 600;
  margin-bottom: 0 !important;
}
.medico-bloque { margin-bottom: 1.2rem; }
.medico-bloque h5 {
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-size: 0.85rem;
  color: var(--azul-medio);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.6rem;
  font-weight: 600;
}
.medico-bloque ul {
  margin-left: 1.2rem;
  font-size: 0.95rem;
}
.medico-bloque .lista-areas {
  list-style: none;
  margin-left: 0;
}
.medico-bloque .lista-areas li {
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.4rem;
}
.medico-bloque .lista-areas li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--dorado);
  font-weight: bold;
}

/* =========================================================
   PLANES
   ========================================================= */
.planes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.plan-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-top: 4px solid var(--azul-medio);
  border-radius: 6px;
  padding: 2rem 1.8rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: transform 0.25s;
}
.plan-card:hover { transform: translateY(-3px); }
.plan-card.destacado {
  border-top-color: var(--dorado);
  background: var(--azul-claro);
}
.plan-card h3 { margin-bottom: 0.3rem; }
.plan-card .enfoque {
  font-size: 0.9rem;
  color: var(--azul-medio);
  font-style: italic;
  margin-bottom: 1.2rem;
}
.plan-card .precio {
  font-size: 1rem;
  color: var(--gris-texto);
  border-top: 1px dashed var(--dorado);
  padding-top: 1rem;
  margin-top: 1rem;
}
.plan-card .incluye-lista { list-style: none; margin-left: 0; }
.plan-card .incluye-lista li::before {
  content: "›  ";
  color: var(--dorado);
  font-weight: bold;
}
.plan-card .no-incluye-lista { list-style: none; margin-left: 0; }
.plan-card .no-incluye-lista li::before {
  content: "–  ";
  color: var(--advertencia);
  font-weight: bold;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-item {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 4px;
  margin-bottom: 0.8rem;
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item[open] { border-color: var(--dorado); }
.faq-item summary {
  cursor: pointer;
  padding: 1.1rem 1.4rem;
  font-weight: 600;
  color: var(--azul-clinico);
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  list-style: none;
  position: relative;
}
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.4rem;
  font-size: 1.4rem;
  color: var(--dorado);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-respuesta { padding: 0 1.4rem 1.2rem; }

/* =========================================================
   FORMULARIO DE CONTACTO
   ========================================================= */
.formulario {
  background: var(--blanco);
  padding: 2.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(30, 58, 95, 0.08);
  border-top: 4px solid var(--dorado);
}
.campo {
  margin-bottom: 1.3rem;
}
.campo label {
  display: block;
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--azul-clinico);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}
.campo input,
.campo textarea,
.campo select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--gris-borde);
  border-radius: 4px;
  font-family: 'Georgia', serif;
  font-size: 1rem;
  color: var(--gris-texto);
  background: var(--blanco);
  transition: border-color 0.2s;
}
.campo input:focus,
.campo textarea:focus,
.campo select:focus {
  outline: none;
  border-color: var(--dorado);
  box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.15);
}
.campo textarea { resize: vertical; min-height: 120px; }

/* =========================================================
   INFO CONTACTO
   ========================================================= */
.contacto-info {
  display: grid;
  gap: 1rem;
}
.contacto-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: var(--gris-suave);
  border-radius: 4px;
  border-left: 3px solid var(--dorado);
}
.contacto-item strong {
  display: block;
  color: var(--azul-clinico);
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.2rem;
}

/* =========================================================
   CTA FINAL
   ========================================================= */
.cta-bloque {
  background: linear-gradient(135deg, var(--azul-clinico) 0%, var(--azul-medio) 100%);
  color: var(--blanco);
  text-align: center;
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}
.cta-bloque::before {
  content: "";
  position: absolute;
  bottom: -50%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.1) 0%, transparent 70%);
}
.cta-bloque .inner { position: relative; z-index: 1; }
.cta-bloque h2 {
  color: var(--blanco);
  margin-bottom: 1rem;
}
.cta-bloque h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--dorado);
  margin: 1rem auto;
}
.cta-bloque p {
  max-width: 720px;
  margin: 1rem auto 2rem;
  opacity: 0.95;
  font-size: 1.05rem;
}

/* =========================================================
   FOOTER
   ========================================================= */
footer.sitio-footer {
  background-color: var(--azul-profundo);
  color: #c8d3e0;
  padding: 4rem 0 2rem;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.sitio-footer h4 {
  color: var(--blanco);
  font-size: 1rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  position: relative;
  padding-bottom: 0.5rem;
}
.sitio-footer h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--dorado);
}
.sitio-footer a { color: #91b8d8; }
.sitio-footer a:hover { color: var(--dorado); }
.sitio-footer ul { list-style: none; margin: 0; padding: 0; }
.sitio-footer ul li { margin-bottom: 0.5rem; }

.redes-iconos {
  display: flex;
  gap: 0.8rem;
  margin-top: 1rem;
}
.redes-iconos a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid #2a4a6f;
  border-radius: 50%;
  color: #91b8d8;
  font-family: 'Helvetica Neue', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  transition: all 0.2s;
  text-decoration: none;
}
.redes-iconos a:hover {
  background: var(--dorado);
  color: var(--azul-clinico);
  border-color: var(--dorado);
}

.footer-legal {
  border-top: 1px solid #1e3a5f;
  padding-top: 1.5rem;
  font-size: 0.85rem;
  opacity: 0.75;
  text-align: center;
}
.footer-legal p { margin-bottom: 0.5rem; }

/* =========================================================
   UTILIDADES
   ========================================================= */
.acento-dorado { color: var(--dorado); }
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.linea-dorada {
  display: block;
  width: 60px;
  height: 3px;
  background: var(--dorado);
  margin: 1.5rem 0;
}
.linea-dorada-centro { margin: 1.5rem auto; }