/* =========================================================================
   Regencias Radiantes — Hoja de estilos
   Vanilla CSS · tokens del brandbook (§2.5) · cascade layers (§11)
   ========================================================================= */
@layer reset, base, components, utilities;

/* ----------------------------------------------------------------- TOKENS */
:root {
  /* Color */
  --carbon: #111111;
  --oro: #D4AF37;
  --oro-soft: #c9a431;
  --arena: #F2E6C6;
  --crema: #FAF6EE;
  --gris-calido: #8C8579;

  /* Semantic */
  --bg: var(--crema);
  --bg-alt: var(--arena);
  --fg: #1a1a1a;            /* carbón suave para cuerpo */
  --fg-strong: var(--carbon);
  --fg-muted: #6f695f;     /* gris cálido oscurecido para AA sobre crema */
  --accent: var(--oro);
  --line: color-mix(in oklch, var(--gris-calido) 38%, transparent);
  --line-gold: color-mix(in oklch, var(--oro) 55%, transparent);

  /* Type */
  --font-display: "Cinzel", Georgia, "Times New Roman", serif;
  --font-body: "Montserrat", system-ui, -apple-system, sans-serif;
  --fs-body: 1.125rem;     /* 18px prosa (§12) */
  --lh-body: 1.65;
  --tracking-display: 0.08em;
  --tracking-label: 0.18em;

  /* Espacio / layout */
  --maxw: 1140px;
  --gut: clamp(1.25rem, 4vw, 3rem);
  --section-y: clamp(3.5rem, 8vw, 6.5rem);
}

/* ------------------------------------------------------------------ RESET */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-block-start: 6rem; }
  body { min-height: 100dvh; -webkit-font-smoothing: antialiased; }
  img, svg, picture { display: block; max-width: 100%; height: auto; }
  button, input, select, textarea { font: inherit; color: inherit; }
  a { color: inherit; }
  ul[role="list"] { list-style: none; padding: 0; }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  }
}

/* ------------------------------------------------------------------- BASE */
@layer base {
  body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-body);
    font-size: var(--fs-body);
    font-weight: 400;
    line-height: var(--lh-body);
  }

  h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--fg-strong);
    line-height: 1.15;
    letter-spacing: var(--tracking-display);
    text-wrap: balance;
  }
  h1 { font-size: clamp(2rem, 5.5vw, 3.4rem); }
  h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
  h3 { font-size: clamp(1.15rem, 2.4vw, 1.4rem); letter-spacing: .04em; }

  p { max-width: 68ch; }
  strong { color: var(--fg-strong); font-weight: 600; }

  a { color: var(--carbon); text-decoration-color: var(--line-gold); text-underline-offset: .18em; }
  a:hover { text-decoration-color: var(--oro); }

  :focus-visible {
    outline: 2px solid var(--oro);
    outline-offset: 4px;
    border-radius: 0;
  }

  ::selection { background: var(--oro); color: var(--carbon); }
}

/* ------------------------------------------------------------- COMPONENTS */
@layer components {

  /* ---- estructura ---- */
  .container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
  .section { padding-block: var(--section-y); }
  .section--arena { background: var(--bg-alt); }
  .section--carbon { background: var(--carbon); color: var(--crema); }
  .section--carbon h1, .section--carbon h2, .section--carbon h3 { color: var(--crema); }
  .section--carbon strong { color: var(--oro); }
  .stack > * + * { margin-block-start: 1.1rem; }

  .skip-link {
    position: absolute; inset-inline-start: 1rem; inset-block-start: -4rem;
    background: var(--carbon); color: var(--crema);
    padding: .7rem 1.2rem; z-index: 1000; transition: inset-block-start .15s;
  }
  .skip-link:focus { inset-block-start: 1rem; }

  /* ---- etiquetas / eyebrow ---- */
  .eyebrow {
    font-family: var(--font-body);
    font-size: .78rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: var(--tracking-label);
    color: var(--oro-soft);
    display: inline-flex; align-items: center; gap: .6rem;
  }
  .eyebrow::before { content: ""; inline-size: 2rem; block-size: 1px; background: var(--oro); }
  .section--carbon .eyebrow { color: var(--oro); }
  .hero .eyebrow { font-size: 1.05rem; gap: .8rem; }
  .hero .eyebrow::before { display: none; }

  /* ---- header ---- */
  .site-header {
    position: sticky; top: 0; z-index: 100;
    background: var(--crema);
    border-block-end: 1px solid transparent;
    transition: border-color .2s, background .2s;
  }
  .site-header[data-scrolled="true"] { border-block-end-color: var(--line); }
  .header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .75rem; }
  .brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; }
  .brand img { inline-size: 46px; block-size: 46px; }
  .brand-name { display: inline-flex; flex-direction: column; gap: .1em; line-height: 1; }
  .brand-word { font-family: var(--font-display); font-weight: 600; letter-spacing: .14em; font-size: 1.05rem; color: var(--carbon); line-height: 1; }

  .nav { display: flex; align-items: center; gap: clamp(.9rem, 1.6vw, 1.5rem); }
  .nav-list { display: flex; gap: clamp(.9rem, 1.6vw, 1.5rem); list-style: none; padding: 0; margin: 0; }
  .nav-list a {
    font-size: .92rem; font-weight: 500; letter-spacing: .04em;
    text-decoration: none; padding-block: .4rem; position: relative; color: var(--carbon);
    white-space: nowrap;
  }
  .nav-list a[aria-current="page"]::after,
  .nav-list a:hover::after {
    content: ""; position: absolute; inset-inline: 0; inset-block-end: 0;
    block-size: 2px; background: var(--oro);
  }

  .nav-toggle { display: none; }
  .nav-close { display: none; }
  .nav-wa { display: none; }
  .nav-brand { display: none; }
  .nav .btn { white-space: nowrap; padding-inline: 1.1rem; letter-spacing: .02em; }

  /* ---- mega menú (Servicios) — panel a lo ancho, abre con hover/foco ---- */
  .nav-trigger { display: inline-flex; align-items: center; gap: .45rem; cursor: pointer; }
  .nav-caret { inline-size: .5rem; block-size: .5rem; border-inline-end: 2px solid var(--oro-soft); border-block-end: 2px solid var(--oro-soft); transform: rotate(45deg) translateY(-2px); transition: transform .2s ease; }
  .nav-item.has-mega { position: relative; }
  .nav-item.has-mega:hover .nav-caret,
  .nav-item.has-mega:focus-within .nav-caret { transform: rotate(-135deg) translateY(-1px); }
  /* puente invisible: evita perder el hover al bajar del enlace al panel */
  .nav-item.has-mega::after { content: ""; position: absolute; inset-inline: -1.5rem; inset-block-start: 100%; block-size: 1.6rem; }
  .mega {
    position: fixed; inset-block-start: var(--header-h, 4.5rem); inset-inline: 0;
    background: var(--crema); border-block: 1px solid var(--line);
    padding-block: clamp(1.8rem, 3vw, 2.6rem);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
    z-index: 90;
  }
  .nav-item.has-mega:hover .mega,
  .nav-item.has-mega:focus-within .mega { opacity: 1; visibility: visible; transform: none; }
  .mega-inner { display: grid; gap: clamp(2rem, 4vw, 4rem); align-items: start; }
  @media (min-width: 900px) { .mega-inner { grid-template-columns: minmax(0, .8fr) minmax(0, 2fr); } }
  .mega-intro { display: flex; flex-direction: column; align-items: flex-start; }
  @media (min-width: 900px) { .mega-intro { border-inline-end: 1px solid var(--line); padding-inline-end: clamp(1.5rem, 3vw, 3rem); } }
  .mega-lead { font-family: var(--font-display); font-size: 1.2rem; line-height: 1.3; color: var(--carbon); margin-block: 1rem 1.4rem; max-width: 24ch; }
  .mega-foot { font-weight: 600; font-size: .92rem; text-decoration: none; color: var(--carbon); border-block-end: 2px solid var(--line-gold); padding-block-end: 2px; }
  .mega-foot:hover { border-color: var(--oro); }
  .mega-cols { display: grid; gap: clamp(1.2rem, 3vw, 2.5rem); grid-template-columns: 1fr; }
  @media (min-width: 560px) { .mega-cols { grid-template-columns: 1fr 1fr; } }
  .mega-col-title { display: block; font-family: var(--font-body); font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .18em; color: var(--fg-muted); margin-block-end: .4rem; }
  .mega-link { display: block; text-decoration: none; color: var(--carbon); padding-block: .6rem; border-block-start: 1px solid var(--line); transition: color .2s ease, padding-inline-start .2s ease; }
  .mega-link:hover, .mega-link:focus-visible { color: var(--oro-soft); padding-inline-start: .4rem; }
  .mega-link-title { display: block; font-family: var(--font-display); font-size: 1.02rem; letter-spacing: .02em; }
  .mega-link-sub { display: block; font-family: var(--font-body); font-size: .82rem; color: var(--fg-muted); margin-block-start: .15rem; }

  /* ---- botones ---- */
  .btn {
    --btn-bg: var(--carbon); --btn-fg: var(--crema);
    display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
    min-block-size: 48px; padding: .8rem 1.5rem;
    font-family: var(--font-body); font-weight: 600; font-size: .95rem; letter-spacing: .03em;
    background: var(--btn-bg); color: var(--btn-fg);
    border: 1px solid var(--btn-bg); border-radius: 0;
    text-decoration: none; cursor: pointer;
    transition: transform .12s ease, background .2s ease, color .2s ease;
  }
  .btn:hover { background: color-mix(in oklch, var(--carbon) 86%, var(--oro)); }
  .btn:active { transform: translateY(1px); }
  .btn--gold { --btn-bg: var(--oro); --btn-fg: var(--carbon); border-color: var(--oro); }
  .btn--gold:hover { background: var(--oro-soft); color: var(--carbon); }
  .btn--ghost { --btn-bg: transparent; --btn-fg: var(--carbon); border-color: var(--carbon); }
  .btn--ghost:hover { background: var(--carbon); color: var(--crema); }
  .section--carbon .btn--ghost { --btn-fg: var(--crema); border-color: color-mix(in oklch, var(--crema) 60%, transparent); }
  .section--carbon .btn--ghost:hover { background: var(--crema); color: var(--carbon); }

  /* ---- hero ---- */
  .hero { position: relative; padding-block: clamp(3rem, 9vw, 6.5rem); overflow: clip; }
  /* el hero entra completo en la pantalla (sin scroll para ver los botones) */
  .hero {
    min-block-size: calc(100svh - var(--header-h, 72px));
    display: grid; align-items: center;
    padding-block: clamp(1.5rem, 4vh, 3.5rem);
  }
  .hero-grid { display: grid; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
  @media (min-width: 860px) { .hero-grid { grid-template-columns: 1.15fr .85fr; } }
  .hero h1 { margin-block-start: 1.1rem; }
  .hero .lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--fg); margin-block-start: 1.4rem; }
  .hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-block-start: 2rem; }
  .hero-tag { margin-block-start: .9rem; margin-inline-start: 1.2rem; font-family: var(--font-display); letter-spacing: .16em; text-transform: uppercase; font-size: .82rem; color: var(--oro-soft); }
  .hero-media { position: relative; display: grid; place-items: center; }
  .hero-media img { inline-size: min(360px, 78vw); filter: drop-shadow(0 12px 30px rgba(17,17,17,.10)); }

  /* ---- foto del hero con logo superpuesto, fundido a crema ---- */
  .hero-photo {
    position: relative;
    isolation: isolate;
    inline-size: min(440px, 84vw);
    aspect-ratio: 4 / 5;
    overflow: clip;
    display: grid;
    place-items: start center;
    padding-block-start: clamp(1.5rem, 6%, 3rem);
    margin: 0;
  }
  .hero-photo .hero-photo-bg {
    position: absolute;
    inset: 0;
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
    object-position: 58% 32%;
    z-index: 0;
    filter: none;
  }
  /* El fundido a crema deja visible la foto y abre un claro en la parte superior para el logo */
  .hero-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
      radial-gradient(70% 50% at 50% 24%, var(--crema) 0%, color-mix(in oklch, var(--crema) 86%, transparent) 30%, transparent 62%),
      linear-gradient(180deg, color-mix(in oklch, var(--crema) 45%, transparent) 0%, transparent 30%, transparent 74%, var(--crema) 100%),
      linear-gradient(90deg, var(--crema) 0%, transparent 18%, transparent 82%, var(--crema) 100%);
  }
  .hero-photo .hero-photo-mark {
    position: relative;
    z-index: 2;
    inline-size: min(280px, 62%);
    block-size: auto;
    filter: none;
  }

  /* ---- retratos (fotografía real) ---- */
  .portrait { display: block; inline-size: 100%; block-size: auto; object-fit: cover; border: 1px solid color-mix(in oklch, var(--oro) 60%, transparent); filter: none; }
  .hero-media .portrait { inline-size: min(340px, 78vw); aspect-ratio: 4 / 5; }
  .contact-portrait { margin: 2rem 0 0; }
  .contact-portrait .portrait { inline-size: min(320px, 70vw); aspect-ratio: 4 / 5; }
  .contact-portrait figcaption { margin-block-start: .7rem; font-family: var(--font-display); letter-spacing: .12em; text-transform: uppercase; font-size: .78rem; color: var(--fg-muted); }

  /* ---- side rule (detalle editorial) ---- */
  .rule-block { border-inline-start: 2px solid var(--oro); padding-inline-start: 1.2rem; }

  /* ---- agtech: texto + foto de planta a la derecha ---- */
  .agtech-grid { display: grid; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
  @media (min-width: 880px) { .agtech-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); } }
  .agtech-media { position: relative; isolation: isolate; overflow: clip; margin: 0; }
  /* La foto se funde en el fondo arena, igual que el hero se funde en crema */
  .agtech-media .portrait { inline-size: 100%; aspect-ratio: 4 / 5; border: 0; filter: none; display: block; }
  .agtech-media::after {
    content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background:
      linear-gradient(180deg, var(--arena) 0%, transparent 20%, transparent 80%, var(--arena) 100%),
      linear-gradient(90deg, var(--arena) 0%, transparent 16%, transparent 84%, var(--arena) 100%),
      radial-gradient(120% 92% at 50% 50%, transparent 44%, color-mix(in oklch, var(--arena) 50%, transparent) 100%);
  }

  /* ---- grid de servicios ---- */
  .grid { display: grid; gap: clamp(1.1rem, 2.4vw, 1.6rem); }
  .grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
  .grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }

  /* de-boxed: regla hairline superior + número de acento, sin caja (§14) */
  .card {
    background: transparent;
    border: 0;
    border-block-start: 1px solid var(--line);
    padding: clamp(1.5rem, 3vw, 2rem) 0 0;
    container-type: inline-size;
    transition: border-color .25s ease;
  }
  .card:hover { border-block-start-color: var(--oro); }
  .card .card-num { display: block; font-family: var(--font-display); color: var(--oro-soft); font-size: .95rem; letter-spacing: .1em; }
  .card h3 { margin-block: .6rem .55rem; }
  .card p { color: var(--fg); font-size: 1rem; }
  .card-link { font-weight: 600; font-size: .92rem; text-decoration: none; color: var(--carbon); display: inline-flex; gap: .4rem; margin-block-start: 1rem; border-block-end: 2px solid var(--line-gold); padding-block-end: 2px; }
  .card-link:hover { border-color: var(--oro); }

  /* ---- split: título a la izquierda, lista a la derecha (inspirado en EarthConnect) ---- */
  .split { display: grid; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
  @media (min-width: 880px) { .split { grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr); } }
  @media (min-width: 880px) { .split-intro { position: sticky; top: 6rem; } }
  .split-intro h2 { margin-block-start: 1rem; }
  .split-intro > p { margin-block-start: 1.1rem; color: var(--fg); max-width: 38ch; }
  .section--arena .split-intro > p { color: var(--fg); }
  .split-intro .btn, .split-intro .card-link { margin-block-start: 1.6rem; }
  .split-list { display: flex; flex-direction: column; }
  .split-item { display: flex; gap: clamp(1rem, 2.5vw, 1.6rem); padding-block: clamp(1.7rem, 3.4vw, 2.5rem); border-block-start: 1px solid var(--line); }
  .split-item:first-child { border-block-start: 0; padding-block-start: 0; }
  /* marcador de acento: guion corto (no cuadro), alineado con el título */
  .split-mark { flex: 0 0 auto; inline-size: 1.75rem; block-size: 2px; margin-block-start: .85em; background: var(--oro); }
  .split-text h3 { margin-block-end: .5rem; }
  .split-text p { color: var(--fg); font-size: 1rem; margin: 0; max-width: 56ch; }

  /* ---- contadores (§4.3) ---- */
  .counters { display: grid; gap: clamp(1.2rem, 3vw, 2rem); grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr)); }
  @media (min-width: 960px) { .counters { grid-template-columns: repeat(5, 1fr); gap: clamp(1rem, 2.2vw, 1.6rem); } }
  .counter { text-align: center; padding-block: 1rem; border-block-start: 2px solid var(--line-gold); }
  .counter .num {
    font-family: var(--font-display); font-weight: 600;
    font-size: clamp(2.6rem, 7vw, 4rem); line-height: 1; color: var(--crema);
    font-variant-numeric: tabular-nums; display: inline-block; min-inline-size: 2.5ch;
  }
  .counter .num.anchor { color: var(--oro); }
  .counter .num-affix {
    font-family: var(--font-display); font-weight: 600;
    font-size: clamp(1.1rem, 2.6vw, 1.5rem); line-height: 1;
    color: color-mix(in oklch, var(--crema) 70%, transparent);
    margin-inline-end: .3rem; letter-spacing: .02em;
  }
  .counter .label { display: block; margin-block-start: .8rem; font-size: .92rem; color: color-mix(in oklch, var(--crema) 80%, transparent); letter-spacing: .02em; max-width: 22ch; margin-inline: auto; }

  /* ---- taxonomía de servicios (listas anidadas §4.2) ---- */
  .taxonomy { display: grid; gap: clamp(1.8rem, 3.5vw, 2.6rem); }
  /* de-boxed: regla hairline superior, sin caja (§14) */
  .tax-group { border: 0; background: transparent; padding: 0; border-block-start: 1px solid var(--line); padding-block-start: clamp(1.6rem, 3vw, 2.2rem); }
  .tax-group > h3 { color: var(--carbon); border-block-end: 2px solid var(--oro); padding-block-end: .7rem; display: inline-block; }
  .tax-group h4 { font-family: var(--font-body); font-weight: 700; font-size: 1rem; letter-spacing: .02em; margin-block: 1.4rem .5rem; color: var(--carbon); }
  .tax-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
  .tax-list li { position: relative; padding-inline-start: 1.7rem; color: var(--fg); font-size: 1rem; }
  /* marcador de acento: guion corto (no cuadro) */
  .tax-list li::before { content: ""; position: absolute; inset-inline-start: 0; inset-block-start: .72em; inline-size: 1rem; block-size: 2px; background: var(--oro); }

  /* ---- Servicios: hero con fondo fotográfico difuminado ---- */
  .hero--svc { isolation: isolate; }
  .hero--svc::before {
    content: ""; position: absolute; inset: 0; z-index: -2;
    background: url("../img/servicios-hero.webp") center / cover no-repeat;
    filter: blur(9px) saturate(1.05);
    transform: scale(1.1);
  }
  .hero--svc::after {
    content: ""; position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(100deg,
      color-mix(in oklch, var(--crema) 96%, transparent) 0%,
      color-mix(in oklch, var(--crema) 91%, transparent) 52%,
      color-mix(in oklch, var(--crema) 80%, transparent) 100%);
  }
  .hero--svc > .container { position: relative; z-index: 0; }

  /* ---- Servicios: hero con índice ---- */
  .svc-hero { display: grid; gap: clamp(2rem, 5vw, 4rem); margin-block-start: clamp(1rem, 2vw, 1.5rem); }
  @media (min-width: 900px) { .svc-hero { grid-template-columns: 1.15fr .85fr; align-items: end; } }
  .svc-hero h1 { margin-block-start: 1rem; }
  .svc-index { display: grid; align-self: end; }
  .svc-index a {
    display: grid; grid-template-columns: 2.4rem 1fr; align-items: baseline; gap: 1rem;
    padding-block: 1.05rem; border-block-start: 1px solid var(--line);
    text-decoration: none; color: var(--carbon);
    transition: color .2s ease, padding-inline-start .2s ease;
  }
  .svc-index a:last-child { border-block-end: 1px solid var(--line); }
  .svc-index a:hover, .svc-index a:focus-visible { color: var(--oro-soft); padding-inline-start: .4rem; }
  .svc-index-num { font-family: var(--font-display); color: var(--oro-soft); font-size: .95rem; letter-spacing: .08em; }
  .svc-index-label { font-family: var(--font-display); letter-spacing: .04em; font-size: 1.05rem; }

  /* ---- Servicios: ejes (oferta diferenciadora) — numerales fantasma ---- */
  .ejes { list-style: none; margin: 0; padding: 0; display: grid; }
  .eje { display: grid; gap: clamp(.6rem, 2vw, 1rem); padding-block: clamp(2rem, 4vw, 3rem); border-block-start: 1px solid var(--line); }
  .eje:first-child { border-block-start: 0; padding-block-start: clamp(1rem, 2vw, 1.5rem); }
  @media (min-width: 760px) { .eje { grid-template-columns: minmax(0, 7rem) 1fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; } }
  .eje-num { font-family: var(--font-display); font-weight: 600; line-height: .85; font-size: clamp(3.2rem, 8vw, 5.5rem); color: color-mix(in oklch, var(--carbon) 16%, transparent); }
  .eje-body { max-width: 62ch; }
  .eje-body h3 { font-size: clamp(1.35rem, 2.6vw, 1.9rem); }
  .eje-body > p { margin-block-start: .85rem; color: var(--fg); }
  .eje-meta { margin-block-start: 1.1rem; font-family: var(--font-body); font-size: .78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-muted); }
  .eje .card-link { margin-block-start: 1.2rem; }

  /* ---- Servicios: directorio de trámites (base operativa) — split con letra fantasma ---- */
  .tramites { display: grid; gap: clamp(3rem, 7vw, 5.5rem); }
  .tram-letter { display: block; font-family: var(--font-display); font-weight: 600; line-height: .8; font-size: clamp(3.2rem, 8vw, 5.5rem); color: color-mix(in oklch, var(--carbon) 16%, transparent); margin-block-end: .6rem; }
  .split-text h4 { font-family: var(--font-body); font-weight: 700; font-size: .95rem; letter-spacing: .03em; color: var(--carbon); margin-block-end: .7rem; }
  .split-text .tax-list { gap: .5rem; }
  .split-text .tax-list li { font-size: .95rem; }

  /* ---- testimonios ---- */
  .quote { border-inline-start: 2px solid var(--oro); padding-inline-start: 1.4rem; }
  .quote blockquote { font-family: var(--font-display); font-size: clamp(1.05rem, 1.8vw, 1.3rem); line-height: 1.5; color: var(--carbon); }
  .quote cite { display: block; margin-block-start: 1rem; font-style: normal; font-family: var(--font-body); font-size: .9rem; color: var(--fg-muted); letter-spacing: .04em; }

  /* ---- FAQ (§13.2) ---- */
  /* de-boxed: filas separadas por hairline (§14) */
  .faq { display: grid; gap: 0; }
  .faq details { border: 0; border-block-start: 1px solid var(--line); background: transparent; }
  .faq details:last-of-type { border-block-end: 1px solid var(--line); }
  .faq summary { cursor: pointer; list-style: none; padding: 1.2rem 0; font-family: var(--font-display); font-size: 1.05rem; letter-spacing: .02em; color: var(--carbon); display: flex; justify-content: space-between; gap: 1rem; align-items: center; min-block-size: 48px; }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after { content: "+"; color: var(--oro-soft); font-family: var(--font-body); font-size: 1.5rem; line-height: 1; transition: transform .2s; }
  .faq details[open] summary::after { transform: rotate(45deg); }
  .faq details > p { padding: 0 0 1.3rem; color: var(--fg); font-size: 1rem; }

  /* ---- contacto ---- */
  .contact-grid { display: grid; gap: clamp(2rem, 5vw, 3.5rem); }
  @media (min-width: 880px) { .contact-grid { grid-template-columns: .9fr 1.1fr; } }
  /* de-boxed: lista separada por hairline, icono sin caja (§14) */
  .channel { border: 0; border-block-start: 1px solid var(--line); padding: 1.3rem 0; display: flex; gap: 1rem; align-items: flex-start; }
  .channel:last-of-type { border-block-end: 1px solid var(--line); }
  .channel + .channel { margin-block-start: 0; }
  .channel .ch-ico { inline-size: 34px; block-size: 34px; display: grid; place-items: center; border: 0; color: var(--oro-soft); flex: 0 0 auto; }
  .channel h3 { font-family: var(--font-body); font-weight: 700; font-size: 1rem; letter-spacing: .02em; margin-block-end: .25rem; }
  .channel a { font-weight: 600; }
  .form-frame { border: 1px solid var(--line); background: var(--crema); min-block-size: 420px; display: grid; }
  .form-frame iframe { inline-size: 100%; min-block-size: 920px; border: 0; }
  .form-placeholder { display: grid; place-items: center; gap: 1rem; padding: 3rem 1.5rem; text-align: center; }
  .expectation { font-size: .95rem; color: var(--fg-muted); border-block-start: 1px solid var(--line); padding-block-start: 1rem; margin-block-start: 1.2rem; }

  /* ---- footer ---- */
  .site-footer { background: var(--carbon); color: var(--crema); padding-block: clamp(3rem, 6vw, 4.5rem) 2rem; }
  .footer-grid { display: grid; gap: 2.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }
  .site-footer .brand-word { color: var(--crema); }
  .site-footer h4 { font-family: var(--font-body); font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: .16em; color: var(--oro); margin-block-end: 1rem; }
  .site-footer a { color: color-mix(in oklch, var(--crema) 85%, transparent); text-decoration: none; font-size: .95rem; }
  .site-footer a:hover { color: var(--oro); }
  .footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
  .footer-bottom { margin-block-start: 3rem; padding-block-start: 1.5rem; border-block-start: 1px solid color-mix(in oklch, var(--crema) 18%, transparent); display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; font-size: .82rem; color: color-mix(in oklch, var(--crema) 60%, transparent); }
  .footer-tag { font-family: var(--font-display); letter-spacing: .16em; text-transform: uppercase; color: var(--oro); font-size: .8rem; }

  /* ---- Correo flotante ---- */
  .wa-float {
    position: fixed; inset-block-end: 1.1rem; inset-inline-end: 1.1rem; z-index: 200;
    display: inline-flex; align-items: center; gap: .6rem;
    min-block-size: 52px; padding: .7rem 1.1rem;
    background: var(--carbon); color: var(--crema); border: 1px solid #000;
    font-weight: 600; font-size: .92rem; text-decoration: none;
    box-shadow: 0 6px 22px rgba(17,17,17,.22);
    transition: transform .15s;
  }
  .wa-float:hover { transform: translateY(-2px); color: #fff; }
  .wa-float svg { inline-size: 24px; block-size: 24px; flex: 0 0 auto; }
  .wa-float .wa-text { display: none; }
  @media (min-width: 560px) { .wa-float .wa-text { display: inline; } }
  body.nav-open .wa-float { display: none; }

  /* ---- page header (interior) ---- */
  .page-head { padding-block: clamp(3rem, 7vw, 5rem) clamp(2rem, 4vw, 3rem); }
  .page-head h1 { margin-block-start: 1rem; }
  .page-head .lead { font-size: clamp(1.05rem, 1.5vw, 1.2rem); margin-block-start: 1.2rem; }

  /* ---- CTA band ---- */
  .cta-band { text-align: center; }
  .cta-band h2 { margin-block-end: 1rem; }
  .cta-band .hero-cta { justify-content: center; }

  /* ---- breadcrumbs ---- */
  .crumbs { font-size: .85rem; color: var(--fg-muted); letter-spacing: .03em; }
  .crumbs a { text-decoration: none; color: var(--fg-muted); }
  .crumbs a:hover { color: var(--carbon); }
}

/* ------------------------------------------------------------- UTILITIES */
@layer utilities {
  .text-center { text-align: center; }
  .mt-0 { margin-block-start: 0; }
  .measure { max-width: 56ch; }
  .visually-hidden {
    position: absolute !important; inline-size: 1px; block-size: 1px;
    padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0;
  }
}

/* ----------------------------------------- MOTION: reveal al hacer scroll
   Fundido + leve desplazamiento al entrar en viewport (inspirado en
   EarthConnect). Mejora progresiva: el contenido es visible sin JS
   (html sin .js) y con prefers-reduced-motion. El observador en main.js
   añade .is-in con un escalonado suave. La lista de selectores debe
   coincidir con la de main.js. */
@layer components {
  @media (prefers-reduced-motion: no-preference) {
    html.js :is(.reveal, .card, .split-item, .eje, .counter, .quote, .tax-group, .rule-block, .faq details, .channel, .contact-portrait) {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity .6s ease, transform .6s ease;
      transition-delay: var(--reveal-delay, 0ms);
      will-change: opacity, transform;
    }
    html.js :is(.reveal, .card, .split-item, .eje, .counter, .quote, .tax-group, .rule-block, .faq details, .channel, .contact-portrait).is-in {
      opacity: 1;
      transform: none;
    }
  }
}

/* --------------------------------------------------- NAV MÓVIL (sin JS heavy) */
@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    min-block-size: 48px; min-inline-size: 48px;
    background: transparent; border: 1px solid var(--line); cursor: pointer;
  }
  .nav-toggle svg { inline-size: 24px; block-size: 24px; }
  .nav {
    position: fixed; inset: 0; inline-size: 100%; max-inline-size: none;
    background: var(--crema); border: 0;
    flex-direction: column; align-items: stretch; justify-content: flex-start;
    padding: 4.75rem 1.5rem 2.5rem; gap: 0;
    transform: translateX(100%); transition: transform .3s ease;
    overflow-y: auto; overscroll-behavior: contain;
  }
  .nav[data-open="true"] { transform: translateX(0); }
  .nav-close {
    display: inline-flex; align-items: center; justify-content: center;
    position: absolute; inset-block-start: 1rem; inset-inline-end: 1.1rem;
    inline-size: 48px; block-size: 48px;
    background: transparent; border: 1px solid var(--line); color: var(--carbon); cursor: pointer;
  }
  .nav-close svg { inline-size: 24px; block-size: 24px; }
  .nav-brand { display: inline-flex; align-items: center; gap: .55rem; position: absolute; inset-block-start: 1rem; inset-inline-start: 1.5rem; text-decoration: none; }
  .nav-brand img { inline-size: 40px; block-size: 40px; }
  .nav-list { flex-direction: column; gap: 0; }
  .nav-list a { padding-block: 1.1rem; border-block-end: 1px solid var(--line); display: block; font-size: 1.1rem; }
  .nav .btn { margin-block-start: 1.6rem; }
  .nav-wa {
    display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
    min-block-size: 52px; margin-block-start: .9rem; padding: .7rem 1.1rem;
    background: #1f7a4d; color: #fff; border: 1px solid #1a6a43;
    font-weight: 600; font-size: 1rem; text-decoration: none;
  }
  .nav-wa svg { inline-size: 22px; block-size: 22px; flex: 0 0 auto; }

  .hero--svc::after { background: color-mix(in oklch, var(--crema) 90%, transparent); }

  /* mega menú → acordeón dentro del panel lateral */
  .nav-item.has-mega { position: static; width: 100%; }
  .nav-item.has-mega::after { content: none; }
  .nav .nav-trigger { display: flex; justify-content: space-between; align-items: center; width: 100%; }
  .nav-caret { transform: rotate(45deg); }
  .nav-item.has-mega.open .nav-caret { transform: rotate(-135deg); }
  .mega { position: static; inset: auto; opacity: 1; visibility: visible; transform: none; background: transparent; border: 0; padding: 0; z-index: auto; max-block-size: 0; overflow: hidden; transition: max-block-size .3s ease; }
  .nav-item.has-mega.open .mega { max-block-size: 1200px; }
  .mega-inner { display: block; padding-inline: 0; max-width: none; margin: 0; gap: 0; }
  .mega-intro { border: 0; padding: 0; }
  .mega-intro .eyebrow, .mega-lead { display: none; }
  .mega-cols { grid-template-columns: 1fr; gap: 0; }
  .mega-col-title { margin-block: 1rem 0; padding-inline-start: 1rem; }
  .nav .mega-link { border-block-start: 0; padding-inline-start: 1rem; }
  .mega-link-sub { display: none; }
  .nav .mega-foot { padding-inline-start: 1rem; }
  .nav-backdrop { position: fixed; inset: 0; background: rgba(17,17,17,.4); z-index: 99; opacity: 0; visibility: hidden; transition: opacity .25s; }
  .nav-backdrop[data-open="true"] { opacity: 1; visibility: visible; }
}