/* =====================================================================
   ESTILOS — Milagros Izal Rojas · Abogada
   Basado en el Manual de Identidad Visual 2026
   ===================================================================== */

/* ---------- 1. TOKENS DE MARCA ---------- */
:root {
  /* Paleta oficial */
  --arena:   #E7D9BF;   /* C10 M15 Y30 K0  */
  --azul:    #6B85A5;   /* C65 M40 Y20 K5  */
  --marino:  #1A2C44;   /* C100 M80 Y45 K45 */

  /* Derivados (mezclas de la misma paleta, sin negro ni blanco puros) */
  --arena-claro: #F3ECDD;
  --arena-oscuro: #D9C8A6;
  --marino-oscuro: #12203A;
  --texto: var(--marino);
  --texto-suave: #3C4E68;

  /* Tipografía */
  --serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans:  'Montserrat', 'Helvetica Neue', Arial, sans-serif;

  /* Escala tipográfica (fluida) */
  --t-xs: 0.8125rem;
  --t-sm: 0.9375rem;
  --t-md: 1.0625rem;
  --t-lg: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --t-xl: clamp(1.75rem, 1.4rem + 1.6vw, 2.5rem);
  --t-2xl: clamp(2.25rem, 1.6rem + 3.2vw, 4rem);

  /* Ritmo */
  --ancho: 1120px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --seccion: clamp(4rem, 9vw, 7.5rem);
  --radio: 4px;

  /* Patrón de hojas del manual (SVG en línea, color azul) */
  --hoja: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cg fill='%236B85A5'%3E%3Cg transform='translate(30 40) rotate(-30)'%3E%3Cpath d='M0 20 Q22 6 48 4' stroke='%236B85A5' stroke-width='2.2' fill='none' stroke-linecap='round'/%3E%3Cellipse cx='12' cy='11' rx='8' ry='3' transform='rotate(-55 12 11)'/%3E%3Cellipse cx='22' cy='7' rx='8' ry='3' transform='rotate(-50 22 7)'/%3E%3Cellipse cx='32' cy='4' rx='7.5' ry='2.8' transform='rotate(-45 32 4)'/%3E%3Cellipse cx='41' cy='3' rx='6.5' ry='2.5' transform='rotate(-40 41 3)'/%3E%3Cellipse cx='48' cy='3' rx='5' ry='2' transform='rotate(-30 48 3)'/%3E%3C/g%3E%3Cg transform='translate(100 110) rotate(-30)'%3E%3Cpath d='M0 20 Q22 6 48 4' stroke='%236B85A5' stroke-width='2.2' fill='none' stroke-linecap='round'/%3E%3Cellipse cx='12' cy='11' rx='8' ry='3' transform='rotate(-55 12 11)'/%3E%3Cellipse cx='22' cy='7' rx='8' ry='3' transform='rotate(-50 22 7)'/%3E%3Cellipse cx='32' cy='4' rx='7.5' ry='2.8' transform='rotate(-45 32 4)'/%3E%3Cellipse cx='41' cy='3' rx='6.5' ry='2.5' transform='rotate(-40 41 3)'/%3E%3Cellipse cx='48' cy='3' rx='5' ry='2' transform='rotate(-30 48 3)'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* ---------- 2. BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: var(--t-md);
  line-height: 1.65;
  color: var(--texto);
  background: var(--arena-claro);
}
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--marino);
}
h2 { font-size: var(--t-xl); }
h3 { font-size: var(--t-lg); }
p  { margin: 0 0 1em; max-width: 65ch; }
a  { color: var(--marino); }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 3px solid var(--azul); outline-offset: 3px; }
.solo-lectores {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.contenedor {
  width: min(100% - 2 * var(--gutter), var(--ancho));
  margin-inline: auto;
}
section { padding-block: var(--seccion); }
.seccion-intro { font-size: var(--t-lg); color: var(--texto-suave); margin-bottom: 2.5rem; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--sans); font-weight: 600; font-size: var(--t-sm);
  padding: 0.95rem 1.6rem; border-radius: var(--radio);
  text-decoration: none; cursor: pointer; border: 2px solid transparent;
  transition: background-color .2s, color .2s, border-color .2s;
}
.btn svg { width: 1.15em; height: 1.15em; flex: none; }
.btn-principal { background: var(--marino); color: var(--arena); border-color: var(--marino); }
.btn-principal:hover, .btn-principal:focus-visible { background: var(--marino-oscuro); }
.btn-secundario { background: transparent; color: var(--marino); border-color: var(--marino); }
.btn-secundario:hover, .btn-secundario:focus-visible { background: var(--marino); color: var(--arena); }
.btn-claro { background: var(--arena); color: var(--marino); border-color: var(--arena); }
.btn-claro:hover, .btn-claro:focus-visible { background: var(--arena-claro); }

/* ---------- 3. NAVBAR ---------- */
.navbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--arena) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--arena-oscuro);
}
.navbar .contenedor {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 72px; gap: 1rem;
}
.marca { display: inline-flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.marca img { height: 40px; width: auto; }
.marca span {
  font-family: var(--serif); font-size: 1rem; color: var(--marino);
  line-height: 1.2; display: none;
}
.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 0 10px;
  background: none; border: 0; cursor: pointer; border-radius: var(--radio);
}
.nav-toggle span { display: block; height: 2px; background: var(--marino); transition: transform .25s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-menu {
  list-style: none; margin: 0; padding: 0;
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--arena);
  border-bottom: 1px solid var(--arena-oscuro);
  display: none; flex-direction: column;
}
.nav-menu.abierto { display: flex; }
.nav-menu a {
  display: block; padding: 1rem var(--gutter);
  text-decoration: none; font-weight: 500; font-size: var(--t-sm);
  border-top: 1px solid var(--arena-oscuro);
}
.nav-menu a:hover, .nav-menu a:focus-visible, .nav-menu a.activo { color: var(--azul); }

/* ---------- 4. HERO ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--arena);
  padding-block: clamp(3.5rem, 8vw, 7rem);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: var(--hoja);
  background-size: 160px 160px;
  opacity: .28;
  pointer-events: none;
}
.hero .contenedor {
  position: relative;
  display: grid; gap: 2.5rem; align-items: center;
}
.hero-foto { margin: 0; width: min(70%, 320px); margin-inline: auto; }
.hero-foto img {
  width: 100%; height: auto;
  border-radius: var(--radio);
  border: 1px solid var(--arena-oscuro);
  background: var(--arena-claro);
}
.hero-foto figcaption {
  margin-top: .75rem;
  font-size: var(--t-xs);
  color: var(--texto-suave);
  text-align: center;
  letter-spacing: .02em;
}
.hero h1 { font-size: var(--t-2xl); margin-bottom: 1rem; text-wrap: balance; }
.hero-sub { font-size: var(--t-lg); color: var(--texto-suave); margin-bottom: 1.75rem; }
.hero-acciones { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ---------- 5. ESPECIALIDADES ---------- */
.especialidades { background: var(--arena-claro); }
.grid-areas {
  display: grid; gap: 1.25rem;
  grid-template-columns: 1fr;
}
.area {
  background: var(--arena);
  border-left: 4px solid var(--azul);
  padding: 1.75rem 1.5rem;
  border-radius: 0 var(--radio) var(--radio) 0;
}
.area h3 { margin-bottom: 0.5rem; }
.area p { margin: 0; font-size: var(--t-sm); color: var(--texto-suave); }

/* Hover sutil en tarjetas de especialidades (solo en dispositivos con mouse).
   La especificidad extra evita que el transform de .revelar lo pise. */
@media (hover: hover) {
  .grid-areas .area {
    transition: transform .3s ease, box-shadow .3s ease, opacity .7s ease;
  }
  .grid-areas .area:hover {
    transform: scale(1.03);
    box-shadow: 0 12px 26px rgba(26, 44, 68, .15);
  }
}

/* ---------- 6. SOBRE MÍ ---------- */
.sobre-mi { background: var(--marino); color: var(--arena); position: relative; overflow: hidden; }
.sobre-mi::after {
  content: ""; position: absolute; right: -60px; bottom: -80px;
  width: 420px; height: 420px;
  background: url("assets/isotipo-azul.webp") center / contain no-repeat;
  opacity: .12; pointer-events: none;
}
.sobre-mi h2 { color: var(--arena); }
.sobre-mi .contenedor { position: relative; display: grid; gap: 2.5rem; }
.sobre-mi p { color: var(--arena); opacity: .92; }
.pilares { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }
.pilares li { border-top: 1px solid var(--azul); padding-top: 1rem; }
.pilares h3 { color: var(--arena); font-size: var(--t-lg); margin-bottom: .35rem; }
.pilares p { font-size: var(--t-sm); margin: 0; opacity: .85; }

/* ---------- 7. CONTACTO ---------- */
.contacto { background: var(--arena); position: relative; }
.contacto::before {
  content: ""; position: absolute; inset: 0;
  background-image: var(--hoja); background-size: 160px 160px;
  opacity: .14; pointer-events: none;
}
.contacto .contenedor { position: relative; display: grid; gap: 2.5rem; }
.contacto-sub {
  font-family: var(--serif); font-weight: 600; font-size: var(--t-lg);
  color: var(--marino); margin-bottom: .35rem;
}
.datos-contacto { margin: 0 0 2rem; padding: 0; display: grid; gap: 1.75rem; }
.datos-columna { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; align-content: start; }
.datos-columna li { display: flex; align-items: center; gap: .85rem; font-size: var(--t-sm); }
.datos-contacto svg { width: 22px; height: 22px; flex: none; color: var(--azul); }
.datos-contacto a { text-decoration: none; font-weight: 500; }
.datos-contacto a:hover { text-decoration: underline; }

.formulario {
  background: var(--arena-claro);
  padding: 1.75rem; border-radius: var(--radio);
  border: 1px solid var(--arena-oscuro);
  display: grid; gap: 1.1rem;
}
.campo { display: grid; gap: .4rem; }
.campo label { font-size: var(--t-sm); font-weight: 600; }
.campo input, .campo textarea, .campo select {
  font: inherit; font-size: 1rem; color: var(--texto);
  padding: .8rem .9rem;
  border: 1.5px solid var(--arena-oscuro); border-radius: var(--radio);
  background: #fff; width: 100%;
}
.campo input:focus, .campo textarea:focus, .campo select:focus { border-color: var(--azul); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--azul) 30%, transparent); }
.campo.invalido input, .campo.invalido textarea, .campo.invalido select { border-color: #A3452F; }
.campo .ayuda { font-size: var(--t-xs); color: #A3452F; display: none; }
.campo.invalido .ayuda { display: block; }
.formulario-estado { font-size: var(--t-sm); margin: 0; min-height: 1.5em; }
.formulario-estado.ok { color: var(--marino); font-weight: 600; }
.formulario-estado.error { color: #A3452F; font-weight: 600; }

/* ---------- 7b. PREGUNTAS FRECUENTES ---------- */
.faq { background: var(--arena-claro); }
.faq-lista { margin-top: 2.5rem; display: grid; gap: 1rem; max-width: 820px; }
.acordeon-item {
  background: var(--arena);
  border: 1px solid var(--arena-oscuro);
  border-radius: var(--radio);
}
.acordeon-boton {
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  width: 100%;
  padding: 1.25rem 1.5rem;
  font-family: var(--serif); font-weight: 700; font-size: var(--t-md);
  color: var(--marino);
  background: none; border: 0; text-align: left;
}
.acordeon-boton:hover, .acordeon-boton:focus-visible { color: var(--azul); }
.acordeon-boton::after {
  content: "+";
  flex: none;
  font-family: var(--sans); font-weight: 600; font-size: 1.5rem; line-height: 1;
  color: var(--azul);
  transition: transform .3s ease;
}
.acordeon-item.abierto .acordeon-boton::after { transform: rotate(45deg); }
.acordeon-respuesta {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .45s ease;
}
.acordeon-respuesta > div { overflow: hidden; min-height: 0; }
.acordeon-item.abierto .acordeon-respuesta { grid-template-rows: 1fr; }
.acordeon-respuesta p {
  margin: 0;
  padding: 0 1.5rem 1.25rem;
  font-size: var(--t-sm); color: var(--texto-suave);
}

/* ---------- 8. FOOTER ---------- */
.footer { background: var(--marino-oscuro); color: var(--arena); padding-block: 3rem 2rem; }
.footer .contenedor { display: grid; gap: 2rem; }
.footer-marca img { width: 180px; }
.footer-enlaces { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.footer-enlaces a { color: var(--arena); text-decoration: none; font-size: var(--t-sm); }
.footer-enlaces a:hover { color: var(--azul); }
.footer-legal {
  border-top: 1px solid var(--azul);
  padding-top: 1.25rem; font-size: var(--t-xs); opacity: .8;
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between;
}

/* Botón flotante de WhatsApp */
.wa-flotante {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 40;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 6px 18px rgba(37, 211, 102, .4);
}
.wa-flotante svg { width: 28px; height: 28px; }

/* ---------- 9. ANIMACIÓN AL HACER SCROLL ---------- */
.revelar { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.revelar.visible { opacity: 1; transform: none; }
/* Retraso escalonado para grupos de tarjetas (evita fijar "style" por JS,
   así el CSP no necesita permitir estilos en línea) */
.retraso-0 { transition-delay: 0ms; }
.retraso-1 { transition-delay: 80ms; }
.retraso-2 { transition-delay: 160ms; }
.retraso-3 { transition-delay: 240ms; }
.retraso-4 { transition-delay: 320ms; }
.retraso-5 { transition-delay: 400ms; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .revelar { opacity: 1; transform: none; transition: none; }
  .acordeon-respuesta { transition: none; }
  .btn, .nav-toggle span { transition: none; }
}

/* ---------- 10. RESPONSIVE ---------- */
@media (min-width: 640px) {
  .grid-areas { grid-template-columns: repeat(2, 1fr); }
  .pilares { grid-template-columns: repeat(3, 1fr); }
  .datos-contacto { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .marca span { display: block; }
}
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .nav-menu {
    position: static; display: flex; flex-direction: row;
    background: none; border: 0; gap: .25rem;
  }
  .nav-menu a { border: 0; padding: .5rem .9rem; }
  .hero .contenedor { grid-template-columns: 1.2fr .8fr; gap: 4rem; }
  .hero-foto { width: 100%; max-width: 420px; margin-left: auto; }
  .grid-areas { grid-template-columns: repeat(3, 1fr); }
  .sobre-mi .contenedor { grid-template-columns: 1fr 1fr; align-items: start; }
  .contacto .contenedor { grid-template-columns: .9fr 1.1fr; align-items: start; }
  .footer .contenedor { grid-template-columns: 1fr auto; align-items: center; }
  .footer-legal { grid-column: 1 / -1; }
}