/* ==========================================================================
   HERRERA ABOGADOS — base.css
   Tokens, reset y componentes compartidos por TODAS las páginas
   (header, footer, botones, whatsapp flotante, page-hero, cta-band,
   tarjetas de práctica y estadísticas). Los estilos exclusivos de cada
   página viven en /assets/css/page-<nombre>.css
   ========================================================================== */

:root {
  /* Colores de marca (Manual de Identidad de Marca, Herrera Abogados) */
  --navy: #1B2A4A;
  --navy-deep: #101B30;
  --navy-black: #0B131F;
  --gold: #C9A24B;
  --gold-light: #E1C588;
  --gray-light: #E8E6E1;
  --gray-mid: #6E6C66;
  --gray-mid-text: #5B5952; /* variante AA-compliant sobre fondos claros */
  --paper: #FAF8F4;
  --ink: #17212E;

  /* Tipografía */
  --font-display: "Cinzel", "Times New Roman", serif;
  --font-body: "Lato", "Helvetica Neue", Arial, sans-serif;

  /* Ritmo */
  --gutter: clamp(1.5rem, 5vw, 5rem);
  --section-pad: clamp(4.5rem, 10vw, 8rem);
  --max-width: 1280px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  line-height: 1.15;
  letter-spacing: 0.01em;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; margin: 0; padding: 0; }

button { font-family: inherit; cursor: pointer; }

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

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ==========================================================================
   Utilidades tipográficas compartidas
   ========================================================================== */

.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  margin: 0 0 1.25rem;
  color: var(--gold-light);
}

.eyebrow--dark { color: var(--gold); }
.eyebrow--gold { color: var(--gold); }

.section-head {
  max-width: 640px;
  margin: 0 0 3.5rem;
}

.section-head h2 {
  font-size: clamp(1.9rem, 3.2vw, 2.75rem);
  color: var(--navy);
}

.text-link {
  display: inline-block;
  margin-top: 1.6rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 0.2rem;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.text-link:hover { color: var(--gold); }

.text-link--light { color: var(--gray-light); }
.text-link--light:hover { color: var(--gold-light); }

/* ==========================================================================
   Botones
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95em 2.1em;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 1px;
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
}

.btn--gold {
  background: var(--gold);
  color: var(--navy-black);
  border-color: var(--gold);
}
.btn--gold:hover { background: var(--gold-light); border-color: var(--gold-light); }

.btn--ghost {
  background: transparent;
  color: inherit;
  border-color: currentColor;
  opacity: 0.85;
}
.btn--ghost:hover { opacity: 1; border-color: var(--gold); color: var(--gold); }

.btn--wide { width: 100%; }

/* ==========================================================================
   Header / Navegación (compartido en todas las páginas)
   ========================================================================== */

.nav-toggle-input { display: none; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(16, 27, 48, 0.72);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid rgba(201, 162, 75, 0.22);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.brand-mark__icon { height: 34px; width: auto; }

.brand-mark__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-mark__herrera {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--gray-light);
  letter-spacing: 0.03em;
}

.brand-mark__abogados {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 0.2em;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2.4rem;
}

.main-nav a {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-light);
  padding: 0.4em 0;
  border-bottom: 1px solid transparent;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.main-nav a:hover,
.main-nav a.is-active { color: var(--gold-light); border-color: var(--gold-light); }

.main-nav a.nav-cta {
  color: var(--navy-black);
  background: var(--gold);
  padding: 0.7em 1.4em;
  border: none;
}
.main-nav a.nav-cta:hover { background: var(--gold-light); color: var(--navy-black); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
  cursor: pointer;
}
.nav-toggle span {
  height: 1px;
  width: 100%;
  background: var(--gray-light);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.mobile-nav {
  display: none;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
  background: var(--navy-deep);
  border-top: 1px solid rgba(201, 162, 75, 0.18);
}

.mobile-nav ul { padding: 1rem var(--gutter) 1.75rem; display: flex; flex-direction: column; gap: 0.4rem; }

.mobile-nav a {
  display: block;
  padding: 0.85rem 0;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-light);
  border-bottom: 1px solid rgba(201, 162, 75, 0.12);
}

.mobile-nav a.is-active { color: var(--gold); }

@media (max-width: 980px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav { display: block; }
  .nav-toggle-input:checked ~ .site-header .mobile-nav { max-height: 460px; }
  .nav-toggle-input:checked ~ .site-header .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle-input:checked ~ .site-header .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-toggle-input:checked ~ .site-header .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
}

@media (max-width: 640px) {
  .header-inner { height: 72px; }
  .brand-mark__herrera { font-size: 1rem; }
  .brand-mark__abogados { font-size: 0.55rem; }
}

/* ==========================================================================
   Page hero (banda superior de páginas internas: Nosotros, Servicios,
   Casos, Contacto). El home usa su propio hero de página completa,
   definido en page-inicio.css
   ========================================================================== */

.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(150px, 22vw, 210px) var(--gutter) clamp(4rem, 8vw, 6rem);
  background:
    radial-gradient(ellipse 900px 700px at 82% 0%, rgba(201, 162, 75, 0.14), transparent 60%),
    linear-gradient(165deg, var(--navy-deep) 0%, var(--navy-black) 100%);
  color: var(--gray-light);
}

.page-hero .section-inner {
  position: relative;
  animation: rise 0.9s var(--ease) both;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
  color: var(--gray-light);
  margin-bottom: 1.1rem;
}

.page-hero__lede {
  max-width: 56ch;
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  color: rgba(232, 230, 225, 0.72);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Motivo gráfico compartido: balanza inscrita en círculo (eco del isotipo).
   Se usa en las páginas interiores (Nosotros, Servicios, Casos, Contacto,
   404). En Inicio se reemplazó por la foto de la firma.
   ========================================================================== */

.svg-motif {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.3;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.svg-motif--hero {
  position: absolute;
  right: -6%;
  top: 50%;
  transform: translateY(-50%);
  width: min(58vw, 640px);
  height: auto;
  opacity: 0.14;
}

.svg-motif--band {
  position: absolute;
  right: -10%;
  top: -18%;
  width: min(46vw, 480px);
  height: auto;
  opacity: 0.1;
}

.svg-motif--watermark {
  position: absolute;
  left: -14%;
  bottom: -20%;
  width: 46vw;
  max-width: 620px;
  height: auto;
  opacity: 0.06;
}

/* ==========================================================================
   Tarjetas de áreas de práctica (compartido: Inicio y Servicios)
   ========================================================================== */

.practice {
  background: var(--gray-light);
  padding: var(--section-pad) 0;
}

.practice__grid,
.teaser-practice__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(27, 42, 74, 0.14);
  border: 1px solid rgba(27, 42, 74, 0.14);
  margin-bottom: 0;
}

.practice-card {
  background: var(--gray-light);
  padding: 2.6rem 2.2rem;
  position: relative;
  transition: background-color 0.35s var(--ease);
}

.practice-card:hover { background: var(--paper); }

.practice-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.practice-card:hover::before { transform: scaleX(1); }

.practice-card__num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 1.4rem;
}

.practice-card h3 {
  font-size: 1.18rem;
  color: var(--navy);
  margin-bottom: 0.85rem;
}

.practice-card p {
  font-size: 0.94rem;
  color: var(--gray-mid-text);
}

/* ==========================================================================
   Estadísticas (compartido: Inicio y Nosotros)
   ========================================================================== */

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding-left: 2rem;
  border-left: 1px solid rgba(201, 162, 75, 0.28);
}

.stat__num {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  color: var(--gold);
  line-height: 1;
}

.stat__plus { font-size: 0.55em; }

.stat__label {
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ==========================================================================
   Banda de llamado a la acción (compartida: Inicio, Nosotros, Servicios, Casos)
   ========================================================================== */

.cta-band {
  background: linear-gradient(165deg, var(--navy) 0%, var(--navy-deep) 100%);
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  color: var(--gray-light);
}

.cta-band__inner {
  text-align: center;
  max-width: 640px;
}

.cta-band h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-bottom: 0.9rem;
}

.cta-band p {
  color: rgba(232, 230, 225, 0.7);
  margin-bottom: 2.2rem;
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.1rem;
}

/* ==========================================================================
   Footer (compartido en todas las páginas)
   ========================================================================== */

.site-footer {
  background: var(--navy-black);
  border-top: 1px solid rgba(201, 162, 75, 0.22);
  padding: 3.5rem 0;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.footer__brand img { height: 30px; width: auto; }

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.8rem;
}
.footer__nav a {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(232, 230, 225, 0.65);
  transition: color 0.3s var(--ease);
}
.footer__nav a:hover,
.footer__nav a.is-active { color: var(--gold); }

.footer__email {
  width: 100%;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--gold);
  transition: color 0.3s var(--ease);
}
.footer__email:hover { color: var(--gold-light); }

.footer__legal {
  width: 100%;
  font-size: 0.72rem;
  color: rgba(232, 230, 225, 0.4);
  border-top: 1px solid rgba(232, 230, 225, 0.1);
  padding-top: 1.8rem;
  margin-top: 0.8rem;
}

@media (max-width: 640px) {
  .footer__inner { flex-direction: column; align-items: flex-start; }
}

/* ==========================================================================
   Botón flotante de WhatsApp (compartido en todas las páginas)
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  right: clamp(1.1rem, 3vw, 2rem);
  bottom: clamp(1.1rem, 3vw, 2rem);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold);
  box-shadow: 0 10px 28px rgba(11, 19, 31, 0.38);
  z-index: 200;
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.whatsapp-float:hover {
  background: var(--gold-light);
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(11, 19, 31, 0.45);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--navy-black);
  stroke-width: 1.6;
}

.whatsapp-float::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--gold);
  animation: whatsapp-pulse 2.6s var(--ease) infinite;
}

@keyframes whatsapp-pulse {
  0% { transform: scale(1); opacity: 0.55; }
  100% { transform: scale(1.55); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float::before { animation: none; display: none; }
}

/* ==========================================================================
   Breakpoints compartidos para grillas de tarjetas/estadísticas
   ========================================================================== */

@media (max-width: 980px) {
  .practice__grid,
  .teaser-practice__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .practice__grid,
  .teaser-practice__grid { grid-template-columns: 1fr; }
}