/* =========================================================
   Nexus Estudio Jurídico & Contable — hoja de estilos
   Basada en "Nexus Home Final.dc.html" (Claude Design)
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  /* Marca */
  --green-900: #143D2C;
  --green-700: #1F6144;
  --green-800: #154430;
  --mint:      #A7D3BD;
  --gold:      #F0C86A;
  --gold-700:  #E0B54F;
  --whatsapp:  #25D366;

  /* Neutros */
  --ink:       #1A1D1A;
  --body:      #4A473F;
  --muted:     #5A5750;
  --muted-2:   #6A6459;
  --muted-3:   #8A8477;
  --line:      #E2DED4;
  --line-2:    #D3CDBF;
  --cream:     #FAF8F3;
  --cream-2:   #F7F5F0;
  --white:     #fff;

  /* Tipografía */
  --serif: Lora, Georgia, "Times New Roman", serif;
  --sans:  Barlow, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:  ui-monospace, Menlo, Consolas, monospace;

  /* Layout */
  --page-max: 1240px;
  --pad-x: 56px;
  --gutter: 20px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream-2);
  font-family: var(--sans);
  font-size: 16px;
  color: var(--body);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { font-family: var(--serif); color: var(--ink); text-wrap: pretty; margin: 0; }

/* pretty evita líneas huérfanas de una palabra, frecuentes en móvil. */
p { margin: 0; text-wrap: pretty; }

a { color: var(--green-700); text-decoration: none; }
a:hover { color: var(--green-800); text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- Utilidades ---------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--gold);
  color: var(--green-900);
  font: 600 15px/1 var(--sans);
  padding: 14px 20px;
}
.skip-link:focus { left: 0; }

.page {
  max-width: var(--page-max);
  margin: 0 auto;
  background: var(--white);
  position: relative;
}

/* Los links del menú no deben quedar tapados por el header pegajoso. */
main [id], #contenido { scroll-margin-top: 88px; }

.eyebrow {
  display: inline-block;
  font: 600 11px/1 var(--sans);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mint);
}
.eyebrow--dark { letter-spacing: .18em; color: var(--green-700); margin-bottom: 12px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: 600 15px/1 var(--sans);
  padding: 17px 26px;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover { text-decoration: none; }

.btn--gold { background: var(--gold); color: var(--green-900); }
.btn--gold:hover { background: var(--gold-700); color: var(--green-900); }

.btn--ghost { color: var(--white); border-color: rgba(255,255,255,.5); background: transparent; }
.btn--ghost:hover { color: var(--green-900); background: var(--white); border-color: var(--white); }

.btn--sm { font-size: 14px; padding: 11px 18px; }
.btn--block { width: 100%; padding: 16px 22px; }

/* ---------- Barra superior ---------- */
.topbar {
  background: var(--green-900);
  padding: 9px var(--pad-x);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font: 500 13px/1.6 var(--sans);
  color: rgba(255,255,255,.8);
}
.topbar a { color: inherit; }
.topbar a:hover { color: var(--white); }

/* ---------- Header ---------- */
.header {
  background: var(--green-700);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px var(--pad-x);
  position: sticky;
  top: 0;
  z-index: 40;
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand:hover { text-decoration: none; }

.brand__mark {
  width: 38px; height: 38px;
  flex: none;
  border: 1.5px solid rgba(255,255,255,.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 600 13px/1 var(--serif);
  color: var(--white);
}
.brand__name { font: 600 17px/1.1 var(--serif); color: var(--white); }

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}
.nav a {
  font: 500 14px/1 var(--sans);
  color: rgba(255,255,255,.88);
}
.nav a:hover { color: var(--white); text-decoration: none; }
.nav a.btn { color: var(--green-900); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.4);
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 20px; height: 2px;
  background: var(--white);
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle__bars { position: relative; }
.nav-toggle__bars::before,
.nav-toggle__bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after  { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after  { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--green-900);
  padding: 76px var(--pad-x) 64px;
}
.hero__pattern {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(135deg, rgba(255,255,255,.07) 0 12px, rgba(255,255,255,.02) 12px 24px);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font: 600 52px/1.12 var(--serif);
  color: var(--white);
  margin: 16px 0 18px;
}
.hero__lead {
  font: 400 21px/1.55 var(--sans);
  color: var(--white);
  margin: 0 0 26px;
  max-width: 600px;
  text-wrap: pretty;
}

.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  font: 500 14px/1 var(--sans);
  color: var(--white);
  border: 1px solid rgba(255,255,255,.4);
  padding: 11px 16px;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}
.chip:hover {
  color: var(--green-900);
  background: var(--gold);
  border-color: var(--gold);
  text-decoration: none;
}

/* ---------- Formulario de consulta ---------- */
.card-form { background: var(--white); padding: 32px; }
.card-form__title { font: 600 20px/1.3 var(--serif); color: var(--ink); margin-bottom: 6px; }
.card-form__sub { font: 400 15px/1.5 var(--sans); color: var(--muted-2); margin-bottom: 18px; }

.form { display: flex; flex-direction: column; gap: 10px; }

.form select,
.form input,
.form textarea {
  font: 400 15px/1.4 var(--sans);
  padding: 14px 15px;
  border: 1px solid var(--line-2);
  border-radius: 0;
  background: var(--cream);
  color: var(--ink);
  width: 100%;
}
.form textarea { min-height: 96px; resize: vertical; line-height: 1.5; }
.form select { appearance: none; background-image: none; cursor: pointer; }

.form select:focus,
.form input:focus,
.form textarea:focus {
  outline: 2px solid var(--green-700);
  outline-offset: -2px;
  background: var(--white);
}

.form :is(select, input, textarea).is-invalid { border-color: #B4453A; background: #FDF4F3; }

.form__note {
  font: 400 13px/1.5 var(--sans);
  color: var(--muted-3);
  text-align: center;
  margin: 0;
}
.form__note.is-error { color: #B4453A; }
.form__note.is-ok { color: var(--green-700); }

/* ---------- Cómo trabajamos ---------- */
.steps {
  background: var(--green-700);
  padding: 64px var(--pad-x);
}
.steps__title { font: 600 30px/1.2 var(--serif); color: var(--white); margin: 0 0 34px; }

.steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.step__num {
  display: block;
  font: 400 15px/1 var(--mono);
  color: var(--mint);
  margin-bottom: 12px;
}
.step h3 { font: 600 20px/1.3 var(--serif); color: var(--white); margin: 0 0 8px; }
.step p { font: 400 16px/1.65 var(--sans); color: rgba(255,255,255,.85); }

/* ---------- Secciones claras ---------- */
.section { padding: 72px var(--pad-x); background: var(--white); }
.section__title { font: 600 32px/1.2 var(--serif); color: var(--ink); margin: 0 0 8px; }
.section__lead {
  font: 400 17px/1.6 var(--sans);
  color: var(--muted);
  margin: 0 0 36px;
  max-width: 680px;
}

/* ---------- Servicios ---------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gutter);
}
.service {
  border: 1px solid var(--line);
  padding: 30px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.service:hover {
  border-color: var(--green-700);
  box-shadow: 0 6px 24px rgba(20, 61, 44, .07);
}
.service--wide { grid-column: span 2; }
.service h3 { font: 600 21px/1.2 var(--serif); color: var(--green-700); }
.service p { font: 400 15px/1.6 var(--sans); color: var(--body); }
.service ul {
  margin: 0;
  padding-left: 18px;
  font: 400 15px/1.9 var(--sans);
  color: var(--body);
}
.service ul.cols-2 { columns: 2; column-gap: 40px; }

/* ---------- Estudio ---------- */
.about {
  background: var(--cream-2);
  padding: 72px var(--pad-x);
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.about__copy h2 { font: 600 32px/1.2 var(--serif); margin: 0 0 18px; }
.about__copy p {
  font: 400 17px/1.7 var(--sans);
  color: var(--body);
  text-wrap: pretty;
}
.about__copy p + p { margin-top: 16px; }

/* ---------- Placeholders de imagen ---------- */
.placeholder {
  background: repeating-linear-gradient(135deg, #DDD8CC 0 10px, #D3CDBF 10px 20px);
  display: flex;
  align-items: flex-end;
  padding: 18px;
}
.placeholder__label {
  font: 400 11px/1.4 var(--mono);
  color: #5E574A;
  background: rgba(255,255,255,.78);
  padding: 6px 9px;
}
.placeholder--about { height: 340px; }
.placeholder--map { min-height: 280px; padding: 16px; }
.placeholder--member {
  padding: 0;
  background: repeating-linear-gradient(135deg, #E4E0D6 0 8px, #DAD5C8 8px 16px);
}

/* ---------- Equipo ---------- */
.team__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
/* Sirve tanto para el placeholder como para la <img> definitiva. */
.member__photo { height: 220px; width: 100%; object-fit: cover; }
.member h3 { font: 600 17px/1.3 var(--serif); color: var(--ink); margin-top: 14px; }
.member p { font: 400 14px/1.5 var(--sans); color: var(--muted-2); }

/* ---------- FAQ ---------- */
.faq { padding-top: 0; }
.faq__list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }

.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  font: 600 18px/1.4 var(--serif);
  color: var(--ink);
  padding: 20px 40px 20px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--green-700); }

.faq summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 9px; height: 9px;
  border-right: 2px solid var(--green-700);
  border-bottom: 2px solid var(--green-700);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }

.faq details p {
  font: 400 16px/1.7 var(--sans);
  color: var(--body);
  margin: 0 0 20px;
  max-width: 820px;
}

/* ---------- CTA ---------- */
.cta {
  background: var(--green-700);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta h2 { font: 600 30px/1.25 var(--serif); color: var(--white); margin: 0 0 8px; }
.cta p { font: 400 17px/1.6 var(--sans); color: rgba(255,255,255,.85); }
.cta__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Ubicación ---------- */
.location { display: grid; grid-template-columns: 1fr 1fr; }
.location__copy { padding: 48px var(--pad-x); background: var(--cream); }
.location address {
  font: 400 17px/1.75 var(--sans);
  font-style: normal;
  color: var(--ink);
}
.location iframe { width: 100%; height: 100%; min-height: 280px; border: 0; display: block; }

/* ---------- Footer ---------- */
.footer {
  background: var(--green-900);
  padding: 28px var(--pad-x);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font: 400 14px/1.5 var(--sans);
  color: rgba(255,255,255,.72);
}
.footer__links { display: flex; gap: 24px; }
.footer a { font: 400 14px/1 var(--sans); color: rgba(255,255,255,.72); }
.footer a:hover { color: var(--white); }

/* ---------- Botón flotante WhatsApp ---------- */
.wa-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--whatsapp);
  color: #0B2E1F;
  font: 600 15px/1 var(--sans);
  padding: 16px 22px;
  border-radius: 40px;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  transition: transform .18s ease, box-shadow .18s ease, opacity .2s ease, visibility .2s;
}
.wa-float:hover {
  color: #0B2E1F;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0,0,0,.3);
}
/* Se oculta sobre el cierre de la página para no tapar los links del footer. */
.wa-float.is-hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  pointer-events: none;
}

/* =========================================================
   Responsive
   ========================================================= */

/* Tablet grande */
@media (max-width: 1080px) {
  :root { --pad-x: 40px; }

  .hero__inner { grid-template-columns: 1fr 400px; gap: 36px; }
  .hero h1 { font-size: 44px; }
  .about { gap: 36px; }
}

/* Tablet / menú colapsado */
@media (max-width: 900px) {
  :root { --pad-x: 32px; }

  /* La marca y el botón comparten la primera fila; el menú baja completo. */
  .header { flex-wrap: wrap; gap: 12px; position: static; }
  /* base 0: sin esto el flex corta la línea antes de encoger la marca
     y el botón se va a una segunda fila. */
  .brand { flex: 1 1 0; min-width: 0; }
  .brand__name { line-height: 1.25; }
  .nav-toggle { display: grid; flex: none; }

  .nav {
    display: none;
    order: 3;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-top: 8px;
  }
  .nav.is-open { display: flex; }
  .nav a {
    padding: 14px 2px;
    border-top: 1px solid rgba(255,255,255,.18);
    font-size: 16px;
  }
  .nav a.btn { margin-top: 12px; border-top: 0; justify-content: center; }

  .hero { padding: 48px var(--pad-x); }
  .hero__inner { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 40px; }
  .hero__lead { font-size: 19px; }

  .steps__list { grid-template-columns: 1fr; gap: 28px; }
  .services__grid { grid-template-columns: 1fr; }
  .service--wide { grid-column: auto; }
  .service ul.cols-2 { columns: 1; }

  .about { grid-template-columns: 1fr; }
  .team__grid { gap: 22px; }
  .member__photo { height: 190px; }
  .location { grid-template-columns: 1fr; }
  .cta { padding: 44px var(--pad-x); }
}

/* Mobile */
@media (max-width: 620px) {
  :root { --pad-x: 20px; }

  body { font-size: 15px; }

  .topbar { justify-content: flex-start; font-size: 12px; }
  .brand__name { font-size: 15px; }

  .hero { padding: 40px var(--pad-x) 44px; }
  .hero h1 { font-size: 32px; }
  .hero__lead { font-size: 18px; }
  .chip { font-size: 13px; padding: 10px 13px; }

  .card-form { padding: 24px 20px; }

  .section { padding: 52px var(--pad-x); }
  .section__title, .about__copy h2 { font-size: 26px; }
  .section__lead { font-size: 16px; margin-bottom: 26px; }

  .steps { padding: 52px var(--pad-x); }
  .steps__title { font-size: 26px; }

  .service { padding: 24px 22px; }
  .about { padding: 52px var(--pad-x); }
  .placeholder--about { height: 240px; }

  /* Los tres entran en una fila con la cara recortada en círculo. */
  .team__grid { gap: 12px; }
  .member { text-align: center; }
  .member__photo {
    height: auto;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    /* La cara suele estar en el tercio superior de la foto. */
    object-position: center 30%;
  }
  .member h3 {
    font-size: 14px;
    line-height: 1.25;
    margin-top: 12px;
    text-wrap: balance;
  }
  .member p { font-size: 11.5px; line-height: 1.5; text-wrap: balance; }

  .faq summary { font-size: 16px; }
  .cta h2 { font-size: 24px; }
  .cta__actions .btn { flex: 1 1 100%; }

  .location__copy { padding: 40px var(--pad-x); }

  .wa-float { right: 14px; bottom: 14px; padding: 14px 18px; font-size: 14px; }
  .footer { font-size: 13px; }
}

/* ---------- Impresión ---------- */
@media print {
  .wa-float, .nav-toggle, .skip-link, .hero__pattern { display: none !important; }
  body, .page { background: #fff; }
  .header, .topbar, .steps, .cta, .footer { background: #fff !important; color: #000 !important; }
  .header *, .topbar *, .steps *, .cta *, .footer * { color: #000 !important; }
  .faq details { border-bottom: 1px solid #ccc; }
  /* Navegadores modernos: mostrar las respuestas aunque el acordeón esté cerrado. */
  .faq details::details-content { content-visibility: visible; }
}