/* ==========================================================================
   MADZING MARKETING — Hoja de estilos principal
   Sin frameworks. Organización:
   1. Fuentes  2. Tokens  3. Base  4. Utilidades  5. Componentes
   6. Cabecera  7. Secciones  8. Formularios  9. Pie  10. Páginas legales
   11. Animación  12. Responsive
   ========================================================================== */

/* 1. Fuentes autoalojadas (no se hacen peticiones a terceros) ------------- */
@font-face { font-family: "Poppins"; src: url("../assets/fonts/poppins-700.woff") format("woff"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Poppins"; src: url("../assets/fonts/poppins-500.woff") format("woff"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../assets/fonts/inter-400.woff") format("woff"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../assets/fonts/inter-600.woff") format("woff"); font-weight: 600; font-style: normal; font-display: swap; }

/* 2. Tokens de diseño ------------------------------------------------------ */
:root {
  /* Marca (el azul principal coincide con el fondo del logotipo) */
  --navy-950: #08172A;
  --navy-900: #0A1B2B;
  --navy-800: #0E2437;
  --navy-700: #13304A;
  --navy-600: #1C4060;
  --navy-500: #2A5478;
  --teal: #00CFC8;
  --teal-300: #5FE3DE;
  --teal-700: #007F7A;   /* turquesa legible sobre blanco (4.8:1) */
  --white: #FFFFFF;
  --mist: #E6EDF2;
  --mist-50: #F3F7FA;

  /* Texto */
  --ink: var(--navy-800);
  --ink-muted: #4A6074;
  --on-dark: #FFFFFF;
  --on-dark-muted: #A8BBCB;

  /* Estados */
  --error: #B42318;
  --error-bg: #FDECEA;
  --success: #0B6B47;
  --pending: #FFD166;

  /* Tipografía */
  --font-display: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --fs-300: 0.875rem;
  --fs-400: 1.0625rem;
  --fs-500: 1.1875rem;
  --fs-600: clamp(1.25rem, 1.1rem + 0.5vw, 1.45rem);
  --fs-700: clamp(1.9rem, 1.4rem + 2.2vw, 3.1rem);
  --fs-800: clamp(2.5rem, 1.6rem + 3.9vw, 4.6rem);

  /* Espaciado y forma */
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --container: 1200px;
  --section-y: clamp(4.5rem, 9vw, 8rem);
  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 24px;
  --slant: clamp(28px, 5vw, 72px);          /* ángulo inspirado en la Z del logotipo */
  --header-h: 76px;
  --shadow: 0 1px 2px rgba(14, 36, 55, .06), 0 12px 32px -12px rgba(14, 36, 55, .18);
  --shadow-lift: 0 2px 4px rgba(14, 36, 55, .06), 0 24px 48px -16px rgba(14, 36, 55, .28);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --focus: var(--teal);
}

/* 3. Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 12px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-400);
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
body.nav-open { overflow: hidden; }
[hidden] { display: none !important; } /* lo oculto (WhatsApp, redes) no se ve hasta configurarlo */
img, svg { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.12; margin: 0; letter-spacing: -0.02em; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; }
a { color: var(--teal-700); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--teal); color: var(--navy-800); }

/* 4. Utilidades ------------------------------------------------------------ */
.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.sr-only { position: absolute !important; 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: 1rem; top: -100px; z-index: 200; background: var(--teal); color: var(--navy-800); padding: .75rem 1rem; border-radius: var(--radius-s); font-weight: 600; text-decoration: none; }
.skip-link:focus { top: 1rem; }
.on-dark { --focus: var(--teal); color: var(--on-dark); }
.on-teal { --focus: var(--navy-800); }

/* Marcador visible para datos que el titular debe completar antes de publicar */
.pending {
  display: inline-block;
  background: var(--pending);
  color: #3D2E00;
  font-family: var(--font-body);
  font-size: .85em;
  font-weight: 600;
  line-height: 1.3;
  padding: .1em .45em;
  border: 1px dashed #8A6A00;
  border-radius: 4px;
  letter-spacing: 0;
}

/* 5. Componentes ----------------------------------------------------------- */
.btn {
  --btn-bg: var(--teal);
  --btn-fg: var(--navy-800);
  --btn-border: var(--teal);
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 52px;
  padding: .85rem 1.5rem;
  border: 2px solid var(--btn-border);
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -10px rgba(0, 207, 200, .6); text-decoration: none; }
.btn:active { transform: translateY(0); }
.btn .btn-icon { width: 18px; height: 18px; flex: none; transition: transform .25s var(--ease); }
.btn:hover .btn-icon { transform: translate(2px, -2px); }
.btn--primary:hover { --btn-bg: var(--teal-300); --btn-border: var(--teal-300); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--white); --btn-border: rgba(255, 255, 255, .35); }
.btn--ghost:hover { --btn-border: var(--white); box-shadow: none; }
.btn--dark { --btn-bg: var(--navy-800); --btn-fg: var(--white); --btn-border: var(--navy-800); }
.btn--dark:hover { --btn-bg: var(--navy-700); --btn-border: var(--navy-700); box-shadow: 0 10px 24px -12px rgba(14, 36, 55, .6); }
.btn--outline { --btn-bg: transparent; --btn-fg: var(--navy-800); --btn-border: var(--navy-800); }
.btn--outline:hover { --btn-bg: var(--navy-800); --btn-fg: var(--white); box-shadow: none; }
.btn--block { width: 100%; }
.btn[disabled], .btn[aria-busy="true"] { cursor: progress; opacity: .75; transform: none; box-shadow: none; }

.section { padding-block: var(--section-y); position: relative; }
.section-head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2 { font-size: var(--fs-700); }
.section-head p { margin-top: 1.1rem; font-size: var(--fs-500); color: var(--ink-muted); max-width: 40rem; }
.on-dark .section-head p { color: var(--on-dark-muted); }

/* Marca de sección: la flecha del logotipo en miniatura */
.mark { width: 34px; height: 34px; color: var(--teal); margin-bottom: 1.25rem; }
.on-teal .mark { color: var(--navy-800); }

.check-list { list-style: none; display: grid; gap: .55rem; }
.check-list li { position: relative; padding-left: 1.75rem; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: .5em;
  width: 12px; height: 12px;
  background: var(--teal);
  clip-path: polygon(0 100%, 30% 100%, 100% 0, 70% 0); /* barra inclinada, eco de la Z */
}

/* 6. Cabecera -------------------------------------------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  height: calc(var(--header-h) + env(safe-area-inset-top, 0px));
  padding-top: env(safe-area-inset-top, 0px);
  color: var(--white);
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease), height .3s var(--ease);
}
.site-header.is-scrolled, .site-header--solid {
  background: rgba(14, 36, 55, .92);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  backdrop-filter: saturate(140%) blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .06), 0 10px 30px -18px rgba(0, 0, 0, .6);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: inline-flex; flex: none; border-radius: 6px; }
.brand img { width: 196px; height: auto; }
.main-nav { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem); }
.nav-list { display: flex; list-style: none; gap: clamp(.25rem, 1.2vw, 1rem); }
.nav-list a {
  position: relative; display: block;
  padding: .5rem .5rem;
  color: rgba(255, 255, 255, .82);
  font-weight: 600; font-size: .95rem;
  text-decoration: none;
  transition: color .2s;
}
.nav-list a::after {
  content: ""; position: absolute; left: .5rem; right: .5rem; bottom: .15rem; height: 2px;
  background: var(--teal); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav-list a:hover, .nav-list a[aria-current="true"] { color: var(--white); }
.nav-list a:hover::after, .nav-list a[aria-current="true"]::after { transform: scaleX(1); }
.nav-list .nav-home { display: none; }
.header-cta { min-height: 44px; padding: .6rem 1.15rem; font-size: .92rem; }
.nav-toggle {
  display: none;
  width: 48px; height: 48px;
  align-items: center; justify-content: center;
  background: transparent; border: 1px solid rgba(255, 255, 255, .25); border-radius: 12px;
  color: var(--white); cursor: pointer;
}
.nav-toggle-bars { position: relative; width: 20px; height: 14px; }
.nav-toggle-bars span { position: absolute; left: 0; width: 100%; height: 2px; background: currentColor; border-radius: 2px; transition: transform .3s var(--ease), opacity .2s, top .3s var(--ease); }
.nav-toggle-bars span:nth-child(1) { top: 0; }
.nav-toggle-bars span:nth-child(2) { top: 6px; width: 70%; }
.nav-toggle-bars span:nth-child(3) { top: 12px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) { top: 6px; 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: 6px; transform: rotate(-45deg); }

/* 7. Secciones ------------------------------------------------------------- */

/* 7.1 Inicio */
.hero {
  position: relative;
  background: var(--navy-800);
  color: var(--white);
  padding-top: calc(var(--header-h) + clamp(2.5rem, 7vw, 6rem));
  padding-bottom: calc(var(--slant) + clamp(2.5rem, 5vw, 4rem));
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - var(--slant)));
  overflow: hidden;
  isolation: isolate;
  z-index: 2;
}
.hero::before { /* retícula técnica muy sutil */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(120% 90% at 75% 30%, #000 20%, transparent 75%);
  mask-image: radial-gradient(120% 90% at 75% 30%, #000 20%, transparent 75%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(2rem, 4vw, 4rem); align-items: center; }
.hero h1 { font-size: var(--fs-800); line-height: 1.04; letter-spacing: -0.03em; max-width: 11.5em; }
.hero h1 .line { display: block; }
.hero-lead { margin-top: 1.6rem; font-size: clamp(1.08rem, 1rem + .4vw, 1.3rem); line-height: 1.55; color: var(--on-dark-muted); max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.25rem; }
.hero-note { margin-top: 1.1rem; font-size: var(--fs-300); color: var(--on-dark-muted); }
.hero-art { position: relative; width: 100%; max-width: 520px; justify-self: end; }
.hero-art svg { width: 100%; height: auto; overflow: visible; }
.hero-art .bar { fill: var(--navy-700); stroke: var(--navy-600); stroke-width: 1.5; }
.hero-art .bar--2 { fill: #163752; }
.hero-art .bar--3 { fill: #193d5b; }
.hero-art .bar--4 { fill: #1b4262; stroke: var(--teal); }
.hero-art .bar-label { font-family: var(--font-body); font-weight: 600; font-size: 13px; fill: var(--on-dark-muted); }
.hero-art .bar-label--4 { fill: var(--teal); }
.hero-art .arrow-line { fill: none; stroke: var(--teal); stroke-width: 16; stroke-linejoin: miter; stroke-linecap: butt; }
.hero-art .arrow-head { fill: var(--teal); }
.hero-art .baseline { stroke: rgba(255, 255, 255, .18); stroke-width: 1.5; }
.hero-art .dot { fill: rgba(255, 255, 255, .22); }

.hero-services {
  list-style: none;
  display: flex; flex-wrap: wrap; gap: .75rem 2.25rem;
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.hero-services a { display: inline-flex; align-items: center; gap: .65rem; color: var(--white); font-weight: 600; text-decoration: none; padding: .25rem 0; }
.hero-services a::before { content: ""; width: 10px; height: 10px; background: var(--teal); clip-path: polygon(0 100%, 35% 100%, 100% 0, 65% 0); transition: transform .3s var(--ease); }
.hero-services a:hover::before { transform: translateY(-3px); }
.hero-services a:hover { color: var(--teal); }

/* 7.2 Servicios */
.services { background: var(--mist-50); margin-top: calc(var(--slant) * -1); padding-top: calc(var(--section-y) + var(--slant)); }
.services-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 1.5rem); }
.service-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--radius-l);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  overflow: hidden;
}
.service-card::after { /* trazo turquesa que asciende al pasar el cursor */
  content: ""; position: absolute; right: -40px; top: -40px; width: 140px; height: 140px;
  background: linear-gradient(225deg, rgba(0, 207, 200, .16), transparent 60%);
  transform: translate(30px, -30px); opacity: 0;
  transition: transform .5s var(--ease), opacity .5s var(--ease);
  pointer-events: none;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); border-color: rgba(0, 207, 200, .55); }
.service-card:hover::after { transform: none; opacity: 1; }
.service-top { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; }
.service-icon {
  flex: none; display: grid; place-items: center;
  width: 56px; height: 56px; border-radius: 16px;
  background: var(--navy-800); color: var(--teal);
  transition: transform .35s var(--ease);
}
.service-card:hover .service-icon { transform: rotate(-6deg); }
.service-icon svg { width: 28px; height: 28px; }
.service-card h3 { font-size: var(--fs-600); }
.service-platforms { font-size: var(--fs-300); color: var(--ink-muted); font-weight: 600; margin-top: .15rem; }
.service-desc { color: var(--ink-muted); }
.service-card .check-list { margin-top: 1.25rem; margin-bottom: 1.5rem; font-size: .98rem; }
.service-benefit {
  margin-top: auto; padding: 1rem 1.15rem;
  border-left: 3px solid var(--teal);
  background: var(--mist-50);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: .98rem;
}
.service-benefit strong { display: block; font-family: var(--font-display); font-weight: 700; font-size: .95rem; margin-bottom: .2rem; }
.service-card .btn { margin-top: 1.5rem; align-self: flex-start; }
.services-foot { margin-top: clamp(2rem, 4vw, 3rem); display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.services-foot p { color: var(--ink-muted); max-width: 38rem; }

/* 7.3 Cómo trabajamos — escalera ascendente */
.process { background: var(--white); }
.steps-wrap { position: relative; }
.steps { list-style: none; position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 1.5rem); align-items: start; }
.step { position: relative; z-index: 1; }
.step-card {
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--radius-m);
  padding: 1.5rem 1.4rem 1.6rem;
  box-shadow: var(--shadow);
  transition: border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.step-num {
  display: grid; place-items: center;
  width: 52px; height: 52px; margin-bottom: 1.1rem;
  background: var(--navy-800); color: var(--teal);
  font-family: var(--font-display); font-weight: 700; font-size: 1.4rem;
  clip-path: polygon(0 12px, 100% 0, 100% 100%, 0 100%);
  padding-top: 6px;
}
.step h3 { font-size: 1.2rem; margin-bottom: .55rem; }
.step p { color: var(--ink-muted); font-size: .98rem; }
/* desplazamiento escalonado: cada paso un peldaño más arriba */
.step:nth-child(1) { margin-top: 9rem; }
.step:nth-child(2) { margin-top: 6rem; }
.step:nth-child(3) { margin-top: 3rem; }
.step:nth-child(4) .step-card { border-color: var(--teal); }

.coordination {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  display: grid; grid-template-columns: auto 1fr; gap: 1.25rem 2rem; align-items: start;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: var(--radius-l);
  background: var(--navy-800); color: var(--white);
  --focus: var(--teal);
}
.coordination-icon { width: 56px; height: 56px; color: var(--teal); }
.coordination h3 { font-size: var(--fs-600); margin-bottom: .5rem; }
.coordination p { color: var(--on-dark-muted); max-width: 52rem; }

/* 7.4 Diagnóstico gratuito — la sección que más destaca */
.diagnosis {
  background: var(--teal);
  color: var(--navy-800);
  padding-block: calc(var(--section-y) + var(--slant));
  clip-path: polygon(0 var(--slant), 100% 0, 100% calc(100% - var(--slant)), 0 100%);
  margin-bottom: calc(var(--slant) * -1);
  z-index: 2;
  isolation: isolate;
}
.diagnosis-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.diagnosis h2 { font-size: var(--fs-700); }
.diagnosis-intro { margin-top: 1.25rem; font-size: var(--fs-500); display: grid; gap: .9rem; max-width: 34rem; }
.diagnosis-benefits { list-style: none; display: grid; gap: 1rem; margin-top: 2rem; }
.diagnosis-benefits li { display: grid; grid-template-columns: 40px 1fr; gap: .9rem; align-items: start; font-weight: 600; }
.diagnosis-benefits svg { width: 40px; height: 40px; padding: 9px; border-radius: 12px; background: var(--navy-800); color: var(--teal); }
.diagnosis-benefits span { padding-top: .45rem; }
.diagnosis-scope {
  margin-top: 2rem; padding: 1.1rem 1.25rem;
  border: 1.5px solid rgba(14, 36, 55, .35);
  border-radius: var(--radius-m);
  font-size: .95rem;
  max-width: 34rem;
}
.form-panel {
  background: var(--white);
  border-radius: var(--radius-l);
  padding: clamp(1.4rem, 3.5vw, 2.5rem);
  box-shadow: 0 30px 60px -30px rgba(14, 36, 55, .55);
  --focus: var(--teal-700);
}
.form-panel h3 { font-size: var(--fs-600); }
.form-panel .form-sub { color: var(--ink-muted); margin-top: .35rem; margin-bottom: 1.5rem; font-size: .95rem; }

/* 7.5 Sobre nosotros */
.about { background: var(--navy-800); padding-top: calc(var(--section-y) + var(--slant)); }
.about-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.about-text { display: grid; gap: 1.1rem; color: var(--on-dark-muted); font-size: var(--fs-500); max-width: 36rem; }
.about-text p:first-child { color: var(--white); font-size: var(--fs-600); font-family: var(--font-display); font-weight: 500; line-height: 1.4; letter-spacing: -0.01em; }
.values { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem clamp(1.5rem, 3vw, 2.5rem); }
.value { padding-top: 1.1rem; border-top: 1px solid var(--navy-600); position: relative; }
.value::before { content: ""; position: absolute; left: 0; top: -1px; width: 44px; height: 3px; background: var(--teal); transition: width .5s var(--ease); }
.value:hover::before { width: 100%; }
.value h3 { font-size: 1.15rem; margin-bottom: .45rem; }
.value p { color: var(--on-dark-muted); font-size: .98rem; }

/* 7.6 Preguntas frecuentes */
.faq { background: var(--mist-50); }
.faq-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.faq-aside .btn { margin-top: 1.75rem; }
.faq-list { display: grid; gap: .75rem; }
.faq-item { background: var(--white); border: 1px solid var(--mist); border-radius: var(--radius-m); transition: border-color .3s, box-shadow .3s; }
.faq-item[open] { border-color: rgba(0, 127, 122, .45); box-shadow: var(--shadow); }
.faq-item summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.15rem 1.35rem;
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; line-height: 1.35;
  border-radius: var(--radius-m);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; flex: none; width: 28px; height: 28px; border-radius: 50%;
  background: var(--mist-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E2437' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center / 14px no-repeat;
  transition: transform .3s var(--ease), background-color .3s;
}
.faq-item[open] summary::after { transform: rotate(45deg); background-color: var(--teal); }
.faq-item summary:hover::after { background-color: var(--mist); }
.faq-item[open] summary:hover::after { background-color: var(--teal-300); }
.faq-answer { padding: 0 1.35rem 1.35rem; color: var(--ink-muted); max-width: 44rem; }
.faq-answer p + p { margin-top: .75rem; }

/* 7.7 Contacto */
.contact { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.contact-info { display: grid; gap: 2rem; }
.contact-channel { display: grid; grid-template-columns: 48px 1fr; gap: 1rem; align-items: center; }
.contact-channel svg { width: 48px; height: 48px; padding: 12px; border-radius: 14px; background: var(--navy-800); color: var(--teal); }
.contact-channel .label { font-size: var(--fs-300); color: var(--ink-muted); }
.contact-channel a, .contact-channel .value-text { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--navy-800); word-break: break-word; }
.contact-promise { padding: 1.4rem 1.5rem; border-radius: var(--radius-m); background: var(--mist-50); border: 1px solid var(--mist); }
.contact-promise h3 { font-size: 1.1rem; margin-bottom: .4rem; }
.contact-promise p { color: var(--ink-muted); font-size: .98rem; }
.contact-promise .btn { margin-top: 1.1rem; }
.contact .form-panel { box-shadow: var(--shadow-lift); border: 1px solid var(--mist); }
.contact-channel a[data-whatsapp-link] { text-decoration: none; }
.contact-channel a[data-whatsapp-link]:hover { color: var(--teal-700); text-decoration: underline; }

/* 8. Formularios ----------------------------------------------------------- */
.form { display: grid; gap: 1.15rem; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.15rem; }
.field { display: grid; gap: .4rem; min-width: 0; }
.field label, .field .field-label { font-weight: 600; font-size: .95rem; }
.req { color: var(--error); margin-left: .15em; }
.optional { font-weight: 400; color: var(--ink-muted); font-size: .88rem; }
.input {
  width: 100%;
  min-height: 52px;
  padding: .8rem 1rem;
  border: 1.5px solid #C5D2DD;
  border-radius: 12px;
  background: var(--white);
  color: var(--navy-800);
  font-size: 1rem; /* 16px evita el zoom automático en iOS */
  transition: border-color .2s, box-shadow .2s;
}
.input::placeholder { color: #7A8D9E; }
.input:hover { border-color: #93A8BA; }
.input:focus { outline: none; border-color: var(--teal-700); box-shadow: 0 0 0 4px rgba(0, 207, 200, .28); }
textarea.input { min-height: 120px; resize: vertical; line-height: 1.5; }
select.input {
  appearance: none; -webkit-appearance: none;
  padding-right: 2.75rem;
  background: var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E2437' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 1rem center / 18px no-repeat;
  cursor: pointer;
}
.input[aria-invalid="true"] { border-color: var(--error); background-color: #FFFBFA; }
.input[aria-invalid="true"]:focus { box-shadow: 0 0 0 4px rgba(180, 35, 24, .18); }
.field-error { color: var(--error); font-size: .88rem; font-weight: 600; display: flex; gap: .4rem; align-items: flex-start; }
.field-error:empty { display: none; }
.field-error::before { content: "!"; flex: none; display: grid; place-items: center; width: 18px; height: 18px; margin-top: 1px; border-radius: 50%; background: var(--error); color: var(--white); font-size: .75rem; }
.field-hint { font-size: .85rem; color: var(--ink-muted); }

.checkbox { display: grid; grid-template-columns: 24px 1fr; gap: .75rem; align-items: start; font-size: .92rem; color: var(--ink-muted); }
.checkbox input { appearance: none; -webkit-appearance: none; width: 24px; height: 24px; margin: 0; border: 1.5px solid #93A8BA; border-radius: 6px; background: var(--white); cursor: pointer; display: grid; place-items: center; transition: background-color .2s, border-color .2s; }
.checkbox input::after { content: ""; width: 12px; height: 7px; border-left: 2.5px solid var(--navy-800); border-bottom: 2.5px solid var(--navy-800); transform: rotate(-45deg) translate(1px, -1px); opacity: 0; }
.checkbox input:checked { background: var(--teal); border-color: var(--teal-700); }
.checkbox input:checked::after { opacity: 1; }
.checkbox input:focus-visible { outline: 3px solid var(--teal-700); outline-offset: 2px; }
.checkbox input[aria-invalid="true"] { border-color: var(--error); }
.checkbox label { cursor: pointer; padding-top: 1px; }
.checkbox .field-error { grid-column: 2; }

.privacy-note { font-size: .82rem; line-height: 1.5; color: var(--ink-muted); padding: .9rem 1rem; background: var(--mist-50); border-radius: 12px; }
.privacy-note strong { color: var(--navy-800); }

/* Trampa para bots: invisible para personas y lectores de pantalla */
.hp-field { position: absolute !important; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }

.form-status { border-radius: 12px; font-size: .95rem; }
.form-status:empty { display: none; }
.form-status--error { padding: 1rem 1.1rem; background: var(--error-bg); color: #7A1A12; border: 1px solid #F3B7B0; }
.form-status--error a { color: #7A1A12; font-weight: 600; }
.form-success { text-align: left; padding: .5rem 0; }
.form-success:focus { outline: none; }
.form-success-icon { width: 64px; height: 64px; padding: 16px; border-radius: 20px; background: var(--teal); color: var(--navy-800); margin-bottom: 1.25rem; }
.form-success h3 { font-size: var(--fs-600); margin-bottom: .6rem; }
.form-success p { color: var(--ink-muted); }
.form-success p + p { margin-top: .6rem; }
.spinner { width: 18px; height: 18px; border: 2.5px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; display: none; }
.btn[aria-busy="true"] .spinner { display: inline-block; }
.btn[aria-busy="true"] .btn-icon { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 9. Pie de página --------------------------------------------------------- */
.site-footer { background: var(--navy-900); color: var(--on-dark-muted); padding-top: clamp(3.5rem, 7vw, 5.5rem); font-size: .95rem; }
.footer-cta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding-bottom: clamp(2.5rem, 5vw, 3.5rem); margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-cta p { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-600); color: var(--white); max-width: 28rem; line-height: 1.3; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; }
.footer-brand img { width: 200px; margin-bottom: 1.25rem; }
.footer-brand p { max-width: 24rem; }
.footer-title { font-family: var(--font-display); font-weight: 700; color: var(--white); font-size: 1rem; margin-bottom: 1rem; }
.footer-links { list-style: none; display: grid; gap: .55rem; }
.footer-links a { color: var(--on-dark-muted); text-decoration: none; }
.footer-links a:hover { color: var(--teal); text-decoration: underline; }
/* Redes sociales del pie: discretas, solo visibles si están configuradas */
.footer-social { margin-top: 1.5rem; }
.social-links { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; }
.social-links a {
  display: inline-flex; align-items: center; gap: .45rem;
  min-height: 40px; padding: .4rem .85rem .4rem .6rem;
  border: 1px solid rgba(255, 255, 255, .16); border-radius: 999px;
  color: var(--on-dark-muted); font-size: .88rem; font-weight: 600; text-decoration: none;
  transition: color .2s, border-color .2s, background-color .2s;
}
.social-links a:hover { color: var(--teal); border-color: var(--teal); background: rgba(0, 207, 200, .06); }
.social-links svg { width: 18px; height: 18px; flex: none; }

/* Botón flotante de WhatsApp (se crea solo si hay un número válido) */
.wa-float {
  position: fixed; z-index: 90;
  right: calc(env(safe-area-inset-right, 0px) + clamp(16px, 2.5vw, 28px));
  bottom: calc(env(safe-area-inset-bottom, 0px) + clamp(16px, 2.5vw, 28px));
  display: inline-flex; align-items: center; gap: .55rem;
  height: 58px; min-width: 58px; padding: 0 17px;
  border-radius: 999px;
  background: var(--teal); color: var(--navy-800);
  font-family: var(--font-display); font-weight: 700; font-size: .95rem; text-decoration: none;
  box-shadow: 0 12px 28px -10px rgba(14, 36, 55, .55), 0 0 0 1px rgba(14, 36, 55, .08);
  transition: transform .25s var(--ease), background-color .25s var(--ease), box-shadow .25s var(--ease);
}
.wa-float svg { width: 26px; height: 26px; flex: none; stroke-width: 2; }
.wa-float:hover { transform: translateY(-2px); background: var(--teal-300); box-shadow: 0 16px 32px -12px rgba(14, 36, 55, .6); }
.wa-float:focus-visible { outline: 3px solid var(--navy-800); outline-offset: 3px; box-shadow: 0 0 0 6px var(--white); }
.nav-open .wa-float { visibility: hidden; }
.has-wa-float .footer-bottom { padding-bottom: 5.5rem; }

.footer-bottom { margin-top: clamp(2.5rem, 5vw, 3.5rem); padding-block: 1.5rem; border-top: 1px solid rgba(255, 255, 255, .1); display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem 2rem; font-size: .88rem; }

/* 10. Páginas legales ------------------------------------------------------ */
.legal-hero { background: var(--navy-800); color: var(--white); padding-top: calc(var(--header-h) + clamp(2.5rem, 6vw, 4.5rem)); padding-bottom: clamp(2.5rem, 5vw, 3.5rem); }
.legal-hero h1 { font-size: var(--fs-700); }
.legal-hero p { margin-top: .75rem; color: var(--on-dark-muted); }
.legal-body { padding-block: clamp(3rem, 6vw, 5rem); }
.legal-content { max-width: 46rem; }
.legal-content h2 { font-size: 1.45rem; margin-top: 2.5rem; margin-bottom: .85rem; }
.legal-content h3 { font-size: 1.12rem; margin-top: 1.75rem; margin-bottom: .6rem; }
.legal-content p, .legal-content li { color: #2E4559; }
.legal-content p + p { margin-top: .9rem; }
.legal-content ul { padding-left: 1.25rem; display: grid; gap: .45rem; margin-top: .75rem; }
.legal-content table { width: 100%; border-collapse: collapse; margin-top: 1rem; font-size: .95rem; }
.legal-content th, .legal-content td { text-align: left; padding: .75rem; border-bottom: 1px solid var(--mist); vertical-align: top; }
.legal-content th { background: var(--mist-50); font-family: var(--font-display); }
.legal-notice { padding: 1.1rem 1.25rem; border-radius: var(--radius-m); background: #FFF6DB; border: 1px solid #F0D58A; color: #4A3A00; font-size: .95rem; margin-bottom: 2rem; }
.legal-notice p { color: inherit; }
.table-wrap { overflow-x: auto; }

/* 11. Animación ------------------------------------------------------------ */
/* Solo con JS activo y sin preferencia de movimiento reducido */
@media (prefers-reduced-motion: no-preference) {
  .reveal { transition: opacity .7s var(--ease), transform .7s var(--ease); }
  .reveal.is-pending { opacity: 0; transform: translateY(14px); }

  /* Secuencia de entrada única en la portada: suben las barras y se dibuja la flecha */
  .hero-art .bar { transform-box: fill-box; transform-origin: 50% 100%; animation: rise .9s var(--ease) both; }
  .hero-art .bar--1 { animation-delay: .1s; }
  .hero-art .bar--2 { animation-delay: .2s; }
  .hero-art .bar--3 { animation-delay: .3s; }
  .hero-art .bar--4 { animation-delay: .4s; }
  .hero-art .bar-label { animation: fade .6s ease both .8s; }
  .hero-art .arrow-line { stroke-dasharray: 760; stroke-dashoffset: 760; animation: draw 1.1s cubic-bezier(.6, 0, .2, 1) .6s forwards; }
  .hero-art .arrow-head { transform-box: fill-box; transform-origin: 50% 50%; animation: pop .45s var(--ease) both 1.55s; }

  /* Pasos: se iluminan en orden al llegar a la sección */
  .steps-wrap .step-card { transition: opacity .6s var(--ease), transform .6s var(--ease), border-color .4s; }
  .steps-wrap.is-pending .step-card { opacity: .35; transform: translateY(10px); }
  .steps-wrap .step:nth-child(2) .step-card { transition-delay: .15s; }
  .steps-wrap .step:nth-child(3) .step-card { transition-delay: .3s; }
  .steps-wrap .step:nth-child(4) .step-card { transition-delay: .45s; }

  .main-nav { transition: transform .35s var(--ease), opacity .3s var(--ease), visibility .35s; }
  .main-nav.is-open { transition: transform .35s var(--ease), opacity .3s var(--ease), visibility 0s; } /* visible al instante para poder recibir el foco */
}
@keyframes rise { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes pop { from { transform: scale(0); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* 12. Responsive ----------------------------------------------------------- */
@media (max-width: 1120px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed; inset: calc(var(--header-h) + env(safe-area-inset-top, 0px)) 0 0 0;
    flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 1.5rem;
    padding: 1.5rem var(--gutter) 2.5rem;
    background: var(--navy-800);
    border-top: 1px solid rgba(255, 255, 255, .08);
    overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
  }
  .main-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav-list { flex-direction: column; gap: 0; }
  .nav-list .nav-home { display: block; }
  .nav-list a { padding: 1rem 0; font-size: 1.25rem; font-family: var(--font-display); border-bottom: 1px solid rgba(255, 255, 255, .08); }
  .nav-list a::after { left: 0; right: auto; width: 40px; bottom: -1px; }
  .header-cta { min-height: 54px; font-size: 1rem; }
  .site-header.nav-is-open { background: var(--navy-800); }
}

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { justify-self: start; max-width: 440px; margin-top: .5rem; }
  .diagnosis-grid, .about-grid, .faq-grid, .contact-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: stretch; }
  .step:nth-child(n) { margin-top: 0; }
  .step:nth-child(2), .step:nth-child(4) { margin-top: 2.5rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  :root { --header-h: 68px; }
  .brand img { width: 152px; }
  .services-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: .85rem; }
  .step:nth-child(n) { margin-top: 0; }
  .step-card { display: grid; grid-template-columns: 52px 1fr; column-gap: 1rem; padding: 1.25rem; }
  .step-num { grid-row: span 2; margin-bottom: 0; }
  .coordination { grid-template-columns: 1fr; }
  .values { grid-template-columns: 1fr; gap: 1.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .hero-art { max-width: 340px; }
  .hero-art .bar-label { font-size: 15px; }
}

@media (max-width: 480px) {
  .wa-float { padding: 0; justify-content: center; width: 56px; height: 56px; min-width: 0; }
  .wa-float-label { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-services { gap: .5rem 1.5rem; }
  .service-top { flex-direction: column; align-items: flex-start; }
}

@media print {
  .site-header, .nav-toggle, .hero-art, .form-panel, .footer-cta { display: none !important; }
  .hero, .diagnosis { clip-path: none; }
  body { color: #000; }
}