/* ==========================================================================
   Idiomas Praga (idiomaspraga.cl) · Hoja de estilos única
   Identidad v3 "Torre de la Pólvora" · Sin frameworks ni dependencias externas
   ========================================================================== */

@font-face {
  font-family: 'Fraunces';
  src: url('/assets/fonts/Fraunces-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Source Sans 3';
  src: url('/assets/fonts/SourceSans3-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Source Sans 3';
  src: url('/assets/fonts/SourceSans3-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Source Sans 3';
  src: url('/assets/fonts/SourceSans3-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --negro: #181818;
  --gris: #6D706F;
  --frambuesa: #B7274F;
  --frambuesa-hover: #9E1F43;
  --piedra: #ECE8E1;
  --blanco: #FFFFFF;
  --linea: #D9D3C8;
  --font-titulo: 'Fraunces', Georgia, serif;
  --font-texto: 'Source Sans 3', Arial, sans-serif;
  --radio: 6px;
  --max: 1120px;
  --gutter: clamp(20px, 5vw, 64px);
  --s1: 8px;
  --s2: 16px;
  --s3: 24px;
  --s4: 32px;
  --s5: 48px;
  --s6: 72px;
  --s7: 112px;
}

/* Reset y base */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
@media (min-width: 768px) {
  html { font-size: 18px; }
}

body {
  margin: 0;
  font-family: var(--font-texto);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--negro);
  background-color: var(--blanco);
  overflow-x: hidden;
}

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

/* Tipografía */
h1, h2, h3, h4 {
  font-family: var(--font-titulo);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--negro);
  margin: 0 0 var(--s2) 0;
}
h1 { font-size: clamp(2.6rem, 7vw, 5rem); line-height: 1.05; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); line-height: 1.12; }
h3 { font-size: 1.25rem; line-height: 1.25; }

p { margin: 0 0 var(--s2) 0; max-width: 65ch; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0 0 var(--s3) 0; padding-left: 1.25rem; }
li { margin-bottom: var(--s1); max-width: 62ch; }

a {
  color: var(--frambuesa);
  text-decoration: underline;
  text-underline-offset: 0.18em;
  transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease;
}
a:hover { color: var(--frambuesa-hover); }

/* Foco accesible AA */
:focus-visible {
  outline: 3px solid var(--negro);
  outline-offset: 2px;
}
.site-footer :focus-visible,
.sticky-cta:focus-visible {
  outline-color: var(--blanco);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--gutter);
  z-index: 1000;
  background: var(--negro);
  color: var(--blanco);
  padding: var(--s1) var(--s2);
  border-radius: var(--radio);
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus { top: var(--s2); color: var(--blanco); }

/* Utilidades de texto y contraste (nunca Gris sobre Piedra) */
.text-small { font-size: 0.875rem; }
.text-muted { color: var(--gris); }
.section-piedra .text-muted,
.card--piedra .text-muted,
.cookie-banner .text-muted { color: var(--negro); }

.lead {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  line-height: 1.45;
  max-width: 56ch;
}

.accent-rule {
  width: 72px;
  height: 4px;
  background-color: var(--frambuesa);
  border: 0;
  margin: var(--s2) 0 var(--s3) 0;
}

/* Layout y contenedores */
.container {
  width: 100%;
  max-width: calc(var(--max) + (var(--gutter) * 2));
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: var(--s6) 0;
  position: relative;
}
@media (min-width: 768px) {
  .section { padding: var(--s7) 0; }
}

.section-piedra {
  background-color: var(--piedra);
  color: var(--negro);
}

.section-header { margin-bottom: var(--s5); }
.prose { max-width: 68ch; }
.prose h2 { font-size: clamp(1.35rem, 2.5vw, 1.75rem); margin-top: var(--s4); }

/* Encabezado y navegación */
.site-header {
  background-color: var(--blanco);
  border-bottom: 1px solid var(--linea);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: var(--s2);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  padding: 6px 0;
  flex-shrink: 0;
}
.brand-logo { height: 40px; width: auto; }
.brand-symbol { display: none; height: 36px; width: 36px; }

@media (max-width: 340px) {
  .brand-logo { display: none; }
  .brand-symbol { display: block; }
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--s1);
  background: transparent;
  border: 2px solid var(--negro);
  border-radius: var(--radio);
  color: var(--negro);
  font-family: var(--font-texto);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.45em 0.85em;
  cursor: pointer;
}
.nav-toggle:hover {
  background-color: var(--negro);
  color: var(--blanco);
}

.nav-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--blanco);
  border-bottom: 1px solid var(--linea);
  padding: var(--s3) var(--gutter);
  box-shadow: 0 8px 20px rgba(24, 24, 24, 0.06);
}
.nav-menu.is-open { display: block; }

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}
.nav-list li { margin: 0; }

.nav-link {
  color: var(--negro);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 4px 0;
  display: inline-block;
  border-bottom: 2px solid transparent;
}
.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--frambuesa);
  border-bottom-color: var(--frambuesa);
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .nav-menu {
    display: block;
    position: static;
    background: transparent;
    border: 0;
    padding: 0;
    box-shadow: none;
  }
  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: var(--s4);
  }
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s1);
  font-family: var(--font-texto);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  padding: 0.85em 1.6em;
  border-radius: var(--radio);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
  text-align: center;
}
.btn-primary {
  background-color: var(--frambuesa);
  color: var(--blanco);
  border-color: var(--frambuesa);
}
.btn-primary:hover {
  background-color: var(--frambuesa-hover);
  border-color: var(--frambuesa-hover);
  color: var(--blanco);
}
.btn-secondary {
  background-color: transparent;
  color: var(--negro);
  border-color: var(--negro);
}
.btn-secondary:hover {
  background-color: var(--negro);
  color: var(--blanco);
}
.btn-sm { padding: 0.6em 1.15em; font-size: 0.9375rem; }

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  align-items: center;
  margin-top: var(--s3);
}

/* Hero de Inicio */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--s6) 0;
}
@media (min-width: 768px) {
  .hero { padding: var(--s7) 0; }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s5);
  align-items: center;
  position: relative;
  z-index: 2;
}
@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
    gap: var(--s6);
  }
}

.hero-content { position: relative; z-index: 2; }
.hero-meta {
  margin-top: var(--s3);
  font-size: 0.875rem;
  color: var(--gris);
  font-weight: 600;
}

.hero-art {
  position: absolute;
  right: -48px;
  top: 50%;
  transform: translateY(-50%);
  width: 280px;
  opacity: 0.12;
  pointer-events: none;
  z-index: 1;
}
@media (min-width: 900px) {
  .hero-art {
    position: relative;
    right: auto;
    top: auto;
    transform: translateX(18%);
    width: 100%;
    max-width: 440px;
    opacity: 1;
    margin-left: auto;
  }
}

/* Grillas y tarjetas */
.grid-2, .grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s3);
}
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); gap: var(--s4); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); gap: var(--s4); }
}

.card {
  background-color: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: var(--s4);
}
.card--piedra { background-color: var(--piedra); }

.card-step-num {
  display: inline-block;
  font-family: var(--font-titulo);
  font-size: 1.5rem;
  color: var(--frambuesa);
  margin-bottom: var(--s1);
}

/* Tarjeta de idioma (enlace completo) */
.lang-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: var(--s4);
  text-decoration: none;
  color: var(--negro);
  transition: border-color 160ms ease, transform 160ms ease;
}
.section:not(.section-piedra) .lang-card { background-color: var(--piedra); }
.lang-card:hover { border-color: var(--frambuesa); color: var(--negro); }

.lang-card-title {
  font-family: var(--font-titulo);
  font-size: 1.6rem;
  color: var(--negro);
  margin-bottom: var(--s1);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s2);
}
.lang-card-arrow {
  color: var(--frambuesa);
  font-family: var(--font-texto);
  font-weight: 600;
  transition: transform 160ms ease;
}
.lang-card:hover .lang-card-arrow { transform: translateX(4px); }
.lang-card-desc { color: var(--negro); margin: 0; }

/* Bloques de detalle de idioma en /idiomas/ */
.lang-block {
  scroll-margin-top: 92px;
  padding: var(--s5) 0;
  border-bottom: 1px solid var(--linea);
}
.lang-block:last-of-type { border-bottom: 0; }

.lang-meta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s4);
  margin: var(--s3) 0;
}
@media (min-width: 768px) {
  .lang-meta-grid { grid-template-columns: 1fr 1.2fr; }
}

.lang-notice {
  background-color: var(--piedra);
  border-left: 4px solid var(--frambuesa);
  padding: var(--s2) var(--s3);
  border-radius: 0 var(--radio) var(--radio) 0;
  margin: var(--s3) 0;
  font-size: 0.95rem;
}

/* Cita destacada */
.pull-quote {
  font-family: var(--font-titulo);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.25;
  color: var(--negro);
  border-left: 4px solid var(--frambuesa);
  padding-left: var(--s3);
  margin: var(--s4) 0;
  max-width: 48ch;
}
.pull-quote cite {
  display: block;
  font-family: var(--font-texto);
  font-size: 1rem;
  font-style: normal;
  font-weight: 600;
  margin-top: var(--s1);
  color: var(--gris);
}
.section-piedra .pull-quote cite { color: var(--negro); }

/* Tabla de precios */
.price-table-wrap {
  overflow-x: auto;
  margin: var(--s4) 0 var(--s3) 0;
}
.price-table {
  width: 100%;
  max-width: 760px;
  border-collapse: collapse;
  font-size: 1.0625rem;
}
.price-table th,
.price-table td {
  padding: var(--s2) var(--s1);
  border-bottom: 1px solid var(--linea);
  text-align: left;
  vertical-align: baseline;
}
.price-table th {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--gris);
}
.section-piedra .price-table th { color: var(--negro); }
.price-table td:last-child,
.price-table th:last-child {
  text-align: right;
  font-weight: 600;
  white-space: nowrap;
}

/* Espacio reservado para fotos de Tatiana (P9) */
.foto-figure { margin: 0; }
.foto {
  width: 100%;
  background-color: var(--piedra);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}
.foto--retrato { aspect-ratio: 4 / 5; max-width: 440px; }
.foto--paisaje { aspect-ratio: 3 / 2; }
.foto-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.foto-placeholder-torre {
  width: 42%;
  max-width: 160px;
  opacity: 0.16;
  margin-right: var(--s3);
  margin-bottom: -12px;
  pointer-events: none;
}
.foto-caption {
  margin-top: var(--s1);
  font-size: 0.875rem;
  color: var(--gris);
}
.section-piedra .foto-caption { color: var(--negro); }

/* Dos columnas y listas de contacto */
.split-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s5);
  align-items: start;
}
@media (min-width: 860px) {
  .split-layout { grid-template-columns: 1.35fr 0.85fr; gap: var(--s6); }
}

.contact-details {
  list-style: none;
  padding: 0;
  margin: var(--s3) 0;
}
.contact-details li {
  padding: var(--s1) 0;
  border-bottom: 1px solid var(--linea);
}

/* Dispositivo decorativo Torre en bloques de cierre */
.closing-block { position: relative; overflow: hidden; }
.closing-inner { position: relative; z-index: 2; max-width: 680px; }
.torre-deco {
  position: absolute;
  right: var(--gutter);
  bottom: -24px;
  width: clamp(110px, 16vw, 200px);
  opacity: 0.22;
  pointer-events: none;
  z-index: 1;
}
@media (min-width: 768px) {
  .torre-deco { opacity: 0.85; }
}

/* Preguntas frecuentes (FAQ) */
.faq-list { max-width: 780px; border-top: 1px solid var(--linea); }
.faq-item { border-bottom: 1px solid var(--linea); padding: var(--s3) 0; }
.faq-question {
  font-family: var(--font-titulo);
  font-size: 1.25rem;
  margin: 0 0 var(--s1) 0;
  color: var(--negro);
}

/* Pie de página (único bloque con fondo Negro) */
.site-footer {
  background-color: var(--negro);
  color: var(--blanco);
  padding-top: var(--s6);
  padding-bottom: calc(var(--s6) + 48px);
}
@media (min-width: 768px) {
  .site-footer { padding-bottom: var(--s6); }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s4);
  padding-bottom: var(--s4);
  border-bottom: 1px solid rgba(236, 232, 225, 0.2);
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr; align-items: start; }
}

.footer-logo { height: 38px; width: auto; margin-bottom: var(--s2); }
.footer-text { color: var(--piedra); margin-bottom: var(--s1); font-size: 0.95rem; }

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2) var(--s3);
}
.footer-links li { margin: 0; }

.site-footer a,
.footer-link-btn {
  color: var(--blanco);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
}
.site-footer a:hover,
.footer-link-btn:hover { color: var(--piedra); }

.footer-bottom {
  padding-top: var(--s3);
  font-size: 0.875rem;
  color: var(--piedra);
}

/* Barra fija móvil (WhatsApp) */
.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 56px;
  background-color: var(--frambuesa);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s1);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  z-index: 90;
  transform: translateY(100%);
  transition: transform 180ms ease, background-color 150ms ease;
}
.sticky-cta:hover { background-color: var(--frambuesa-hover); color: var(--blanco); }
.sticky-cta.is-visible { transform: translateY(0); }
@media (min-width: 768px) { .sticky-cta { display: none; } }

/* Aviso de cookies */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 95;
  background-color: var(--piedra);
  color: var(--negro);
  border-top: 2px solid var(--linea);
  padding: var(--s2) 0;
  box-shadow: 0 -4px 16px rgba(24, 24, 24, 0.08);
}
@media (max-width: 767px) {
  body.has-sticky-cta .cookie-banner { bottom: 56px; }
}

.cookie-inner {
  display: flex;
  flex-direction: column;
  gap: var(--s2);
  align-items: flex-start;
  justify-content: space-between;
}
@media (min-width: 768px) {
  .cookie-inner { flex-direction: row; align-items: center; }
}

.cookie-text { font-size: 0.875rem; margin: 0; color: var(--negro); }
.cookie-text a { color: var(--negro); font-weight: 600; }
.cookie-actions { display: flex; flex-wrap: wrap; gap: var(--s1); flex-shrink: 0; }

/* Animación suave de entrada */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 200ms ease, transform 200ms ease;
  }
  .reveal.is-revealed { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}