/* ============================================================
   tokens.css — Sistema de diseño Rosso Estudio Jurídico
   Fuente de verdad: knowledge/modules/despiece.md §4 + INVARIANTS §7
   - Fuentes: Cardo (títulos/serif) + Jost (body/UI) via Google Fonts.
   - Tokens en px (no rem). Body anclado a 17px (NO derivado del factor 0.727).
   - Títulos: proporción del despiece (artboard 1980pt) validada en browser.
   - NO overrides locales de header/footer: todo vive aquí.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cardo:ital,wght@0,400;0,700;1,400&family=Jost:ital,wght@0,100..900;1,100..900&display=swap');

:root {
  /* ---------- Paleta (paleta.json / despiece §4) ---------- */
  --c-ink:       #4A4A49;   /* gris casi negro, texto fuerte */
  --c-white:     #FFFFFF;   /* fondos de card */
  --c-gray:      #939393;   /* body text, nav */
  --c-purple:    #6F5A6D;   /* morado principal: títulos hero/H2, footer, banda copyright */
  --c-purple-2:  #6E596C;   /* variante de títulos (spans) — casi igual a --c-purple */
  --c-accent:    #A27EA0;   /* acento lila: eyebrows, links, FAQ */
  --c-lilac:     #CFC2CF;   /* lila claro: copyright */
  --c-lilac-cw:  #D5C7D4;   /* lila copyright (span home) */
  --c-beige:     #E7E6E2;   /* beige hero/header (lienzo único) — sampleado del diseño */
  --c-offwhite:  #F4F2ED;   /* off-white base (legacy) */

  /* ---------- Fondos de sección (sampleados del diseño / hex de Yago) ---------- */
  --bg-hero:     #E7E6E2;   /* header + hero = un solo lienzo beige */
  --bg-section:  #F8F7F1;   /* off-white de Soluciones / Acordeón áreas / Retrato */
  --bg-areas:    #F0EEEA;   /* off-white cálido de Áreas (header+encabezado+grid) — sampleo de areas.png */
  --bg-footer:   #FFFFFF;   /* footer BLANCO (INVARIANTS §6 / dispatch A1; sampleo del PNG lo confirma) */
  --bg-copyright:#6F5A6D;   /* barra copyright morada */

  /* ---------- Tipografía: familias ---------- */
  --font-serif: 'Cardo', Georgia, 'Times New Roman', serif;
  --font-sans:  'Jost', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* ---------- Escala tipográfica (px, validada en browser) ----------
     Base body = 17px. Títulos siguen la proporción del despiece
     (≈ 0.72 del pt del artboard), redondeados a px legibles. */
  --fs-h1:        42px;   /* hero  (58pt → proporción artboard 0.727) */
  --fs-h2:        35px;   /* H2 sección (48pt) */
  --fs-h3-area:   32px;   /* título de área Áreas (44pt) */
  --fs-accordion: 28px;   /* título acordeón Home (36pt) */
  --fs-faq:       22px;   /* pregunta FAQ / título card (24pt) */
  --fs-eyebrow:   22px;   /* eyebrow (24pt) */
  --fs-footer-col:17px;   /* título columna footer (18pt) */
  --fs-nav:       14px;   /* nav (14pt) */
  --fs-body:      17px;   /* body (16pt → anclado a 17px) */
  --fs-label:     17px;   /* labels datos contacto (18pt) */
  --fs-btn:       14px;   /* link-botón "… ›" (14pt) */
  --fs-copyright: 12px;   /* copyright (12pt) */

  --lh-tight:   1.15;
  --lh-base:    1.65;

  /* ---------- Layout — 3 anchos de contenido (medido de home.json, INVARIANTS §6b) ----------
     Artboard 1980. Cada tier = ancho de contenido / ancho artboard, anclado a la
     escala validada del intermedio (1240px). Verificado por crop contra home.png.
       wide   = footer            → contenido ~72% (x 275→1708)  → 1460px
       (base) = hero + img-right  → contenido ~61% (x 422→1639)  → 1240px
       narrow = acordeón + img-left → contenido ~48-50% (x 501→1444) → 1000px */
  --container-wide:   1460px;  /* footer */
  --container:        1240px;  /* hero + bloque img-right (Soluciones) */
  --container-narrow: 1000px;  /* home-areas (acordeón) + bloque img-left (Retrato) */
  --gutter:       40px;
  --space-section: 96px;   /* padding vertical de sección */
}

/* ---------- Reset mínimo ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--c-gray);
  background: var(--bg-section);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--c-purple);
  margin: 0;
  line-height: var(--lh-tight);
}

p { margin: 0 0 1em; }

/* ---------- Container — 3 anchos (INVARIANTS §6b) ----------
   Default = intermedio (hero, header, img-right). Modificadores por sección. */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--wide   { max-width: var(--container-wide); }
.container--narrow { max-width: var(--container-narrow); }

/* ---------- Eyebrow + títulos de sección ---------- */
.eyebrow {
  font-family: var(--font-serif);
  font-size: var(--fs-eyebrow);
  color: var(--c-accent);
  line-height: 1.3;
  margin: 0 0 .35em;
}

/* ---------- Link-botón "… ›" ---------- */
.btn-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: .35em;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--fs-btn);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--c-accent);
}
/* flecha "›" — se desplaza ~4px a la derecha en hover */
.btn-link::after {
  content: '›';
  display: inline-block;
  transition: transform .25s ease;
}
/* subrayado que crece desde la izquierda en hover (no incluye la flecha) */
.btn-link::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  height: 1px;
  width: 0;
  background: currentColor;
  transition: width .25s ease;
}
.btn-link:hover::before { width: calc(100% - 1.2em); }
.btn-link:hover::after  { transform: translateX(4px); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: relative;
  z-index: 100;
  background: var(--bg-hero);     /* páginas sin hero: header en flujo, fondo beige */
  padding: 28px 0 22px;
  /* Transición SOLO de propiedades visuales (color/sombra/padding). NUNCA de
     position → así el sticky no "salta" al ganar .is-scrolled (dispatch A2). */
  transition: background-color .35s ease, box-shadow .35s ease, padding .35s ease;
}
/* Páginas CON hero (.has-hero-header): header SIEMPRE position:fixed, superpuesto
   y transparente sobre el hero. Al no cambiar de position al scrollear, no hay
   salto: solo transiciona background-color + box-shadow + padding (dispatch A2). */
.has-hero-header .site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: transparent;
  box-shadow: 0 2px 16px rgba(74, 74, 73, 0);   /* sombra transparente → anima a opaca */
}
/* Estado "scrolled": gana fondo beige + sombra leve (anim.js togglea .is-scrolled
   con un umbral suave, ~60% del hero). MISMA position:fixed → transición fluida. */
.has-hero-header .site-header.is-scrolled {
  background: var(--bg-hero);
  box-shadow: 0 2px 16px rgba(74, 74, 73, .08);
  padding: 16px 0 14px;
}
.site-header .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.site-header__logo img {
  height: 56px;
  width: auto;
}
.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 36px;
  justify-content: center;
}
.main-nav a {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-nav);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-gray);
  transition: color .15s ease;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--c-accent);
}

/* ---------- Nav mobile: hamburguesa (oculta en desktop) ---------- */
.nav-toggle { display: none; }

/* Drawer oculto en desktop (no se monta visualmente >860px) */
.mobile-nav { display: none; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg-footer);
  padding: 80px 0 0;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: start;
}
.footer-col__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-footer-col);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-purple);
  margin: 0 0 18px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li { margin-bottom: 8px; }
.footer-col a,
.footer-col__item {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  color: var(--c-gray);
  line-height: 1.6;
}
.footer-col a:hover { color: var(--c-accent); }

.footer-col--sections { text-align: center; }
.footer-col--contact  { text-align: center; }

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.footer-brand img {
  height: 132px;
  width: auto;
}

/* ---------- Barra social ---------- */
.social-bar {
  display: flex;
  gap: 14px;
  justify-content: center;
}
.social-bar a {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
}
.social-bar img {
  width: 34px;
  height: 34px;
  transition: transform .25s ease, filter .25s ease;
}
.social-bar a:hover img {
  transform: scale(1.08);
  filter: brightness(1.08) saturate(1.15);
}

/* ---------- Barra copyright (banda morada) ---------- */
.copyright-bar {
  background: var(--bg-copyright);
  margin-top: 56px;
}
.copyright-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  padding-bottom: 18px;
  gap: 20px;
}
.copyright-bar p {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--fs-copyright);
  letter-spacing: .04em;
  color: var(--c-lilac-cw);
  text-transform: uppercase;
}
.copyright-bar p:last-child { text-align: right; }
/* Crédito MD: el anchor "Agencia de Marketing Digital" (solo en home) hereda el lila
   del copyright; subrayado al hover para legibilidad. En las otras páginas es texto plano. */
.copyright-bar .md-credit a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  transition: color .2s ease;
}
.copyright-bar .md-credit a:hover { color: var(--c-white); }

/* ============================================================
   Responsive base (header/footer) — detalle por página en Paso 5/6
   ============================================================ */

/* ---------- Nav mobile (≤860px): hamburguesa + drawer overlay ----------
   Compartido por las 5 páginas. >860px el nav desktop queda EXACTAMENTE como está
   (este bloque no aplica). El header sticky/overlap sobre el hero sigue funcionando:
   solo cambia la disposición interna del .container a fila (logo izq, hamburguesa der). */
@media (max-width: 860px) {
  .site-header .container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }
  /* Oculta el nav inline; el menú vive ahora en el drawer */
  .main-nav { display: none; }

  /* Botón hamburguesa visible */
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    margin: 0;
    background: transparent;
    border: 0;
    cursor: pointer;
    color: var(--c-purple);
    -webkit-tap-highlight-color: transparent;
  }
  .nav-toggle__bars {
    position: relative;
    display: block;
    width: 26px;
    height: 18px;
  }
  .nav-toggle__bars span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform .3s ease, opacity .2s ease, top .3s ease;
  }
  .nav-toggle__bars span:nth-child(1) { top: 0; }
  .nav-toggle__bars span:nth-child(2) { top: 8px; }
  .nav-toggle__bars span:nth-child(3) { top: 16px; }
  /* hamburguesa → ✕ cuando el drawer está abierto (JS togglea aria-expanded) */
  .nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
    top: 8px;
    transform: rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
    top: 8px;
    transform: rotate(-45deg);
  }

  /* ----- Drawer overlay ----- */
  .mobile-nav {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 200;
    visibility: hidden;
    pointer-events: none;
  }
  .mobile-nav.is-open {
    visibility: visible;
    pointer-events: auto;
  }
  .mobile-nav__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(74, 74, 73, .45);
    opacity: 0;
    transition: opacity .35s ease;
  }
  .mobile-nav.is-open .mobile-nav__backdrop { opacity: 1; }

  .mobile-nav__panel {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: min(82vw, 360px);
    background: var(--bg-hero);          /* beige de marca, coherente con el header */
    box-shadow: -6px 0 28px rgba(74, 74, 73, .18);
    display: flex;
    flex-direction: column;
    padding: 24px 28px 32px;
    transform: translateX(100%);
    transition: transform .35s ease;
    overflow-y: auto;
  }
  .mobile-nav.is-open .mobile-nav__panel { transform: translateX(0); }

  .mobile-nav__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
  }
  .mobile-nav__logo { height: 48px; width: auto; }
  .mobile-nav__close {
    width: 44px;
    height: 44px;
    margin-right: -8px;
    padding: 0;
    background: transparent;
    border: 0;
    cursor: pointer;
    font-size: 34px;
    line-height: 1;
    color: var(--c-purple);
    font-family: var(--font-serif);
  }
  .mobile-nav__close:hover { color: var(--c-accent); }

  .mobile-nav__list {
    list-style: none;
    margin: 0 0 auto;
    padding: 0;
  }
  .mobile-nav__list li { border-bottom: 1px solid rgba(111, 90, 109, .14); }
  .mobile-nav__list a {
    display: block;
    padding: 18px 2px;
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 22px;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--c-purple);
    transition: color .2s ease;
  }
  .mobile-nav__list a:hover,
  .mobile-nav__list a[aria-current="page"] { color: var(--c-accent); }

  .mobile-nav__contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid rgba(111, 90, 109, .14);
    font-family: var(--font-sans);
    font-size: var(--fs-body);
    color: var(--c-gray);
  }
  .mobile-nav__contact a { color: var(--c-gray); transition: color .2s ease; }
  .mobile-nav__contact a:hover { color: var(--c-accent); }
  .mobile-nav__phone {
    font-family: var(--font-serif);
    font-size: 19px;
    color: var(--c-purple) !important;
  }
}

@media (max-width: 760px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  .footer-col--sections,
  .footer-col--contact { text-align: center; }
  .footer-brand { order: -1; }
  .copyright-bar .container { flex-direction: column; text-align: center; }
  .copyright-bar p:last-child { text-align: center; }
}

/* prefers-reduced-motion: sin animación de apertura/cierre del drawer ni de la hamburguesa */
@media (prefers-reduced-motion: reduce) {
  .mobile-nav__backdrop,
  .mobile-nav__panel,
  .nav-toggle__bars span { transition: none !important; }
}

/* ============================================================
   ANIMACIONES — sistema reutilizable (heredan las 5 páginas)
   Registro elegante y sutil. Capa encima: NO altera posiciones finales.
   Activadas por anim.js (clase .anim-ready en <html>); sin JS → todo visible.
   ============================================================ */

/* Scroll-reveal: fade-up. Estado inicial solo si JS marcó .anim-ready */
.anim-ready [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .7s ease, transform .7s ease;
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.anim-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Zoom sutil de imágenes de bloque (text-image-block) en hover */
.ti-block__media {
  overflow: hidden;
  border-radius: 2px;
}
.ti-block__img {
  transition: transform .5s ease;
}
.ti-block__media:hover .ti-block__img {
  transform: scale(1.03);
}
/* El retrato no recibe zoom (es figura recortada, no banner) */
.ti-block__media:hover .ti-block__img--portrait { transform: none; }

/* Accesibilidad: respetar prefers-reduced-motion (obligatorio) */
@media (prefers-reduced-motion: reduce) {
  .anim-ready [data-reveal],
  .anim-ready [data-reveal].is-visible {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .accordion__panel,
  .ti-block__img,
  .social-bar img,
  .btn-link::before,
  .btn-link::after,
  .site-header {
    transition: none !important;
  }
}