/* =========================================================================
   MantenPlus · Sistema visual "Minimalismo luminoso"
   1. Tokens   2. Base   3. Utilidades   4. Botones   5. Header
   6. Hero     6b. Secciones   6c. Servicios   6d. Antes/Después
   6e. Cómo trabajamos   6f. Vista explosionada   6g. Charlas de uso   6h. Equipo
   6i. Opiniones   6j. Cobertura   6k. Preguntas frecuentes   6l. Contacto   6m. Footer
   7. Responsive (header, hero, CTA fija)   8. Movimiento reducido
   ========================================================================= */

/* 1. TOKENS ---------------------------------------------------------------- */
/* Tipografías autoalojadas (WOFF2 variables, licencia SIL OFL en assets/fonts): sin peticiones a terceros */
@font-face { font-family: "Inter"; src: url("../fonts/inter-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Plus Jakarta Sans"; src: url("../fonts/jakarta-latin.woff2") format("woff2"); font-weight: 200 800; font-display: swap; }

:root {
  /* Marca (extraídos del logotipo) */
  --brand-ink: #2E3036;      /* gris carbón del isotipo y "MANTEN" */
  --brand-red: #C8202F;      /* rojo de "PLUS": solo acentos mínimos */

  /* Azul cielo: color de acción y frescura */
  --sky-50:  #F3F9FE;
  --sky-100: #E4F2FC;
  --sky-200: #C7E4F8;
  --sky-300: #9BD0F2;
  --sky-400: #5DB3EA;
  --sky-500: #2A95DB;
  --sky-600: #126EAF;        /* botón primario: blanco sobre este = 5,4:1 AA */
  --sky-700: #09598F;        /* hover / texto sobre azul claro: 6,5:1 sobre sky-100 */
  --focus:   #1478C2;        /* anillo de foco y acentos */

  /* Neutros fríos */
  --white:    #FFFFFF;
  --gray-25:  #FAFBFC;
  --gray-50:  #F4F6F8;
  --gray-100: #EAEEF2;
  --gray-200: #DCE2E8;
  --gray-300: #98A2AE;       /* solo decoración (íconos, bordes); nunca texto */
  --gray-400: #5E6B78;       /* texto de apoyo: ≥ 4,7:1 incluso sobre sky-100 */
  --gray-500: #536472;       /* texto secundario: 6,1:1 sobre blanco */
  --gray-700: #3B4450;
  --ink:      #151B23;       /* titulares */

  /* Tipografía */
  --font-display: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --fs-xs: .8125rem;
  --fs-sm: .9375rem;
  --fs-base: 1rem;
  --fs-lead: clamp(1.0625rem, 1rem + .3vw, 1.25rem);
  --fs-h1: clamp(2.25rem, 1.35rem + 3.4vw, 4.125rem);

  /* Espaciado (escala de 4px) */
  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem;
  --space-5: 1.5rem; --space-6: 2rem;  --space-7: 3rem;   --space-8: 4rem;

  /* Formas y profundidad */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(21, 27, 35, .06), 0 1px 1px rgba(21, 27, 35, .04);
  --shadow-md: 0 8px 24px -8px rgba(21, 27, 35, .14), 0 2px 6px rgba(21, 27, 35, .05);
  --shadow-lg: 0 30px 60px -20px rgba(15, 95, 156, .25), 0 12px 24px -12px rgba(21, 27, 35, .12);
  --ring: 0 0 0 4px rgba(42, 149, 219, .28);

  --container: 1240px;
  --gutter: clamp(1rem, .5rem + 2vw, 2rem);
  --header-h: 72px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* 2. BASE ------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--gray-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, picture { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { font-family: var(--font-display); color: var(--ink); margin: 0; letter-spacing: -.025em; }
p { margin: 0; }
:where(ul[role="list"]) { list-style: none; margin: 0; padding: 0; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: var(--radius-sm); }

/* 3. UTILIDADES ------------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.visually-hidden {
  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: 100;
  padding: .75rem 1rem; background: var(--ink); color: var(--white); border-radius: var(--radius-sm);
}
.skip-link:focus { top: 1rem; }
.icon { width: 1.25em; height: 1.25em; flex: none; }

/* 4. BOTONES ---------------------------------------------------------------- */
.btn {
  --btn-h: 48px;
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: var(--btn-h);
  padding: 0 1.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: -.005em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .2s, color .2s, border-color .2s;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn--sm { --btn-h: 42px; padding: 0 1.1rem; font-size: .875rem; }
.btn--lg { --btn-h: 58px; padding: 0 1.75rem; font-size: 1rem; }
.btn--block { width: 100%; }

.btn--primary {
  color: var(--white);
  background: linear-gradient(180deg, var(--sky-500) -40%, var(--sky-600) 60%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .25) inset, 0 10px 24px -10px rgba(20, 120, 194, .7);
}
.btn--primary:hover { background: var(--sky-700); transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(20, 120, 194, .75); }
.btn--primary .icon--arrow { transition: transform .25s var(--ease); }
.btn--primary:hover .icon--arrow { transform: translateX(3px); }

.btn--soft { color: var(--sky-700); background: var(--sky-50); border-color: var(--sky-100); }
.btn--soft:hover { background: var(--sky-100); border-color: var(--sky-200); }

.btn--ghost { color: var(--gray-700); background: transparent; border-color: var(--gray-200); font-family: var(--font-body); font-weight: 500; }
.btn--ghost:hover { border-color: var(--sky-300); color: var(--sky-700); }

/* 5. HEADER ----------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
/* El vidrio esmerilado va en una capa propia: un backdrop-filter en el propio header
   convierte al menú móvil (position: fixed) en hijo del header y lo recorta a su alto */
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: rgba(255, 255, 255, .72);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  transition: background-color .3s;
}
.site-header.is-scrolled { border-color: var(--gray-100); box-shadow: var(--shadow-sm); }
.site-header.is-scrolled::before { background: rgba(255, 255, 255, .9); }
.site-header__inner { display: flex; align-items: center; gap: var(--space-5); height: var(--header-h); }

.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--brand-ink); margin-right: auto; }
.brand__mark { flex: none; width: 52px; height: auto; aspect-ratio: 680 / 380; }
.brand__text { display: grid; gap: .3rem; }
.brand__word { font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; letter-spacing: .01em; line-height: 1; }
/* Eslogan bajo el logotipo, como en la marca original: fino, separado por una línea */
.brand__tagline {
  max-width: 12.5rem; padding-top: .3rem; border-top: 1px solid var(--gray-200);
  font-family: var(--font-body); font-size: .625rem; font-weight: 500; line-height: 1.3; letter-spacing: .01em; color: var(--gray-500);
  text-wrap: balance;
}
.brand__plus { color: var(--brand-red); }

.main-nav__list { display: flex; gap: .25rem; list-style: none; margin: 0; padding: 0; }
.main-nav__list a {
  display: block; padding: .5rem .7rem; border-radius: var(--radius-pill);
  font-size: .875rem; font-weight: 500; color: var(--gray-700); white-space: nowrap;
  transition: background-color .2s, color .2s;
}
.main-nav__list a:hover { background: var(--sky-50); color: var(--sky-700); }

.site-header__actions { display: flex; align-items: center; gap: .6rem; }

.menu-toggle {
  display: none; position: relative; width: 44px; height: 44px;
  border: 1px solid var(--gray-200); border-radius: var(--radius-pill); background: var(--white); cursor: pointer;
}
.menu-toggle__bar {
  position: absolute; left: 13px; width: 18px; height: 2px; border-radius: 2px; background: var(--ink);
  transition: transform .3s var(--ease), top .3s var(--ease);
}
.menu-toggle__bar--top { top: 17px; }
.menu-toggle__bar--bottom { top: 24px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar--top { top: 21px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar--bottom { top: 21px; transform: rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: var(--header-h) 0 0; z-index: 49;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: var(--space-5) var(--gutter) calc(var(--space-6) + env(safe-area-inset-bottom));
  overflow-y: auto; overscroll-behavior: contain; /* teléfonos bajos: el panel se desplaza */
  background: var(--white);
  animation: sheet-in .35s var(--ease);
}
.mobile-menu[hidden] { display: none; }
.mobile-menu__list { list-style: none; margin: 0; padding: 0; }
.mobile-menu__list a {
  display: block; padding: .85rem 0; border-bottom: 1px solid var(--gray-100);
  font-family: var(--font-display); font-size: 1.375rem; font-weight: 700; color: var(--ink);
}
.mobile-menu__footer { display: grid; gap: var(--space-4); justify-items: center; padding-top: var(--space-5); }
.mobile-menu__footer > .btn { justify-self: stretch; }
.quick-contact { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; width: 100%; margin: 0; padding: 0; list-style: none; }
.quick-contact__item {
  display: flex; flex-direction: column; align-items: center; gap: .3rem; padding: .7rem .4rem;
  font-size: .8125rem; font-weight: 600; color: var(--ink);
  background: var(--gray-25); border: 1px solid var(--gray-100); border-radius: var(--radius-md);
}
.quick-contact__item .icon { width: 22px; height: 22px; color: var(--sky-700); }
.quick-contact__item--wa .icon { color: #1DA851; }

/* Redes: discretas, con sus colores originales (Facebook azul clásico, degradado de Instagram) */
.social { display: flex; gap: .5rem; }
.social__link {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; color: #FFFFFF;
  box-shadow: var(--shadow-sm); transition: transform .2s var(--ease), filter .2s;
}
.social__link:hover { transform: translateY(-2px); filter: saturate(1.15); }
.social__link .icon { width: 20px; height: 20px; }
.social__link--fb { background: #1877F2; }
.social__link--ig { background: radial-gradient(circle at 30% 107%, #FDF497 0%, #FDF497 5%, #FD5949 45%, #D6249F 60%, #285AEB 90%); }
@keyframes sheet-in { from { opacity: 0; transform: translateY(-8px); } }

/* 6. HERO ------------------------------------------------------------------- */
.hero { position: relative; isolation: isolate; overflow: hidden; overflow: clip; /* clip recorta sin anular el sticky de la foto */ padding-block: clamp(2rem, 1rem + 4vw, 5rem) var(--space-6); }
.hero__bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 55% at 85% 20%, var(--sky-100) 0%, rgba(228, 242, 252, 0) 70%),
    radial-gradient(40% 40% at 5% 90%, var(--sky-50) 0%, rgba(243, 249, 254, 0) 70%),
    linear-gradient(180deg, var(--white) 0%, var(--gray-25) 100%);
}
/* Retícula técnica muy sutil: guiño a la "ingeniería" sin recargar */
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(15, 95, 156, .09) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(70% 60% at 80% 30%, #000 0%, transparent 75%);
  mask-image: radial-gradient(70% 60% at 80% 30%, #000 0%, transparent 75%);
}

.hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: clamp(2rem, 1rem + 4vw, 5rem); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .4rem .9rem .4rem .7rem; margin-bottom: var(--space-5);
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .02em; color: var(--sky-700);
  background: var(--white); border: 1px solid var(--sky-100); border-radius: var(--radius-pill); box-shadow: var(--shadow-sm);
}
.eyebrow__dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--sky-500); }
.eyebrow__dot::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--sky-400);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse { 0% { transform: scale(.5); opacity: .9; } 100% { transform: scale(1.6); opacity: 0; } }

.hero__title { font-size: var(--fs-h1); font-weight: 800; line-height: 1.04; letter-spacing: -.035em; text-wrap: balance; }
.hl { position: relative; white-space: nowrap; color: var(--sky-600); }
.hl::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .02em; height: .2em; z-index: -1;
  border-radius: 99px; background: var(--sky-100);
  transform-origin: left; animation: underline 1s .3s var(--ease) both;
}
.hl + .hl::after, .hl ~ .hl::after { animation-delay: .5s; }
@keyframes underline { from { transform: scaleX(0); } }

.hero__lead { max-width: 36rem; margin-top: var(--space-5); font-size: var(--fs-lead); line-height: 1.65; color: var(--gray-500); }
.hero__lead strong { color: var(--ink); font-weight: 600; }

/* Agendamiento rápido */
.quick-book { margin-top: var(--space-6); }
.quick-book__set { border: 0; margin: 0; padding: 0; min-width: 0; }
.quick-book__label { padding: 0; margin-bottom: var(--space-3); font-size: var(--fs-sm); font-weight: 600; color: var(--ink); }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-flex; align-items: center; min-height: 40px; padding: 0 1rem;
  font-size: .875rem; font-weight: 500; color: var(--gray-700);
  background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-pill);
  transition: all .2s var(--ease);
}
.chip:hover span { border-color: var(--sky-300); color: var(--sky-700); }
.chip input:checked + span { color: var(--sky-700); background: var(--sky-50); border-color: var(--sky-500); box-shadow: 0 0 0 1px var(--sky-500) inset; }
.chip input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }

.hero__ctas { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: var(--space-5); }
.quick-book__note { margin-top: var(--space-3); font-size: var(--fs-xs); color: var(--gray-500); }
.quick-book__step {
  display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: .55rem; vertical-align: 1px;
  border-radius: 50%; font-size: .75rem; font-weight: 700; color: var(--white); background: var(--sky-600);
}
.quick-book__optional { font-weight: 400; color: var(--gray-500); }
.quick-book__set--issues { margin-top: var(--space-5); animation: tip-in .35s var(--ease); }
.chips--issues .chip span { min-height: 36px; padding: 0 .9rem; font-size: .8125rem; }

.trust { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid var(--gray-100); }
.trust li { display: inline-flex; align-items: center; gap: .5rem; font-size: var(--fs-sm); font-weight: 500; color: var(--gray-700); }
.trust .icon { width: 1.35em; height: 1.35em; }

/* Columna visual */
.hero__visual { position: relative; }
/* Escritorio: la foto se alinea con el titular y acompaña el scroll mientras se completa el selector */
@media (min-width: 861px) {
  .hero__grid { align-items: start; }
  .hero__visual { position: sticky; top: calc(var(--header-h) + 2.5rem); margin-top: 4.25rem; }
  .hero-photo { aspect-ratio: 4 / 5; }
}
.hero-photo {
  position: relative; margin: 0; overflow: hidden;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--sky-100) 0%, var(--sky-50) 45%, var(--white) 100%);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, .8);
}
.hero-photo picture, .hero-photo__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 46% 50%; z-index: 1; }
.hero-photo__caption {
  position: absolute; left: 1rem; bottom: 1rem; z-index: 2; padding: .35rem .8rem;
  font-size: .75rem; font-weight: 500; color: var(--ink);
  background: rgba(255, 255, 255, .86); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); border-radius: var(--radius-pill);
}
.hero-photo__placeholder {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: var(--space-5);
  color: var(--sky-300); --mark-cut: var(--sky-50);
}
.hero-photo__mark { width: min(70%, 340px); height: auto; aspect-ratio: 680 / 380; opacity: .85; }

.float-card {
  position: absolute; z-index: 2; display: flex; align-items: center; gap: .8rem;
  padding: .85rem 1.1rem .85rem .85rem;
  background: rgba(255, 255, 255, .86);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  backdrop-filter: blur(12px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  animation: float-in .8s var(--ease) both, bob 6s ease-in-out 1s infinite;
}
.float-card strong { display: block; font-family: var(--font-display); font-size: .9375rem; color: var(--ink); line-height: 1.25; }
.float-card small { display: block; font-size: .8125rem; color: var(--gray-500); line-height: 1.35; }
.float-card__icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; color: var(--brand-ink); background: var(--gray-50); flex: none; }
.float-card__icon--sky { color: var(--sky-700); background: var(--sky-100); }
.float-card--bottom { bottom: 12%; right: -6%; animation-delay: .6s, 2.2s; }
@keyframes float-in { from { opacity: 0; transform: translateY(14px); } }
@keyframes bob { 50% { transform: translateY(-6px); } }

/* Sello inspirado en el parche "German Engineering" */
.seal {
  position: absolute; z-index: 2; top: -28px; right: 6%;
  display: grid; place-items: center; width: 112px; height: 112px;
  border-radius: 50%; background: var(--white); box-shadow: var(--shadow-md);
}
.seal__ring { position: absolute; inset: 0; width: 100%; height: 100%; animation: spin 30s linear infinite; }
.seal__ring text { font-family: var(--font-display); font-size: 10.2px; font-weight: 700; letter-spacing: .12em; fill: var(--brand-ink); }
.seal__flag {
  display: grid; width: 40px; height: 40px; overflow: hidden; border-radius: 50%;
  box-shadow: 0 0 0 3px var(--white), 0 0 0 4px var(--gray-200);
}
.seal__flag i:nth-child(1) { background: #1A1A1A; }
.seal__flag i:nth-child(2) { background: #DD0000; }
.seal__flag i:nth-child(3) { background: #FFCE00; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Franja de marcas */
.brands {
  display: flex; align-items: center; gap: var(--space-5) var(--space-7);
  margin-top: clamp(2.5rem, 1.5rem + 3vw, 4.5rem); padding: var(--space-5) var(--space-6);
  background: rgba(255, 255, 255, .7); border: 1px solid var(--gray-100); border-radius: var(--radius-md);
}
.brands__label { flex: none; font-size: var(--fs-xs); font-weight: 600; color: var(--gray-500); text-transform: uppercase; letter-spacing: .08em; }
.brands__list { display: flex; flex: 1; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4) var(--space-6); }
.brands__list li { font-family: var(--font-display); font-weight: 800; font-size: 1.05rem; letter-spacing: .14em; color: var(--gray-400); transition: color .2s; }
.brands__list li:hover { color: var(--brand-ink); }

/* 6b. SECCIONES (estructura común) ---------------------------------------- */
.section { position: relative; padding-block: clamp(4rem, 2.5rem + 5vw, 7.5rem); }
.section--tint { background: linear-gradient(180deg, var(--sky-50) 0%, var(--white) 100%); }
.section-head { max-width: 46rem; margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.kicker {
  display: inline-flex; align-items: center; gap: .6rem; margin-bottom: var(--space-4);
  font-size: var(--fs-xs); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--sky-600);
}
.kicker::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--sky-400); }
.section-title { font-size: clamp(1.875rem, 1.25rem + 2.4vw, 3rem); font-weight: 800; line-height: 1.1; letter-spacing: -.03em; text-wrap: balance; }
.section-lead { max-width: 40rem; margin-top: var(--space-4); font-size: var(--fs-lead); color: var(--gray-500); }
.section-head--center .section-lead { margin-inline: auto; }

/* 6c. SERVICIOS + MICRO-VIDEOS ---------------------------------------------- */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, .5rem + 1.2vw, 1.5rem); }
.service {
  position: relative; display: flex; flex-direction: column; overflow: hidden;
  background: var(--white); border: 1px solid var(--gray-100); border-radius: 24px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.service:hover { transform: translateY(-4px); border-color: var(--sky-100); box-shadow: var(--shadow-lg); }
.service__media {
  position: relative; display: grid; place-items: center; overflow: hidden; aspect-ratio: 4 / 3;
  background: radial-gradient(circle at 50% 58%, var(--white) 0%, var(--sky-50) 45%, var(--sky-100) 100%);
}
.service__icon { width: 36%; height: auto; aspect-ratio: 1; color: var(--sky-400); transition: transform .6s var(--ease); }
.service:hover .service__icon { transform: scale(1.07); }
.loop { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .5s; }
.loop.is-ready { opacity: 1; }
.service__body { display: flex; flex: 1; flex-direction: column; gap: .75rem; padding: 1.5rem 1.5rem 1.4rem; }
.service__title { font-size: 1.25rem; font-weight: 700; letter-spacing: -.02em; }
.service__text { font-size: var(--fs-sm); line-height: 1.55; color: var(--gray-500); }
.service__tags { display: flex; flex-wrap: wrap; gap: .375rem; }
.service__tags li { padding: .25rem .65rem; font-size: .75rem; font-weight: 500; color: var(--gray-700); background: var(--gray-50); border-radius: var(--radius-pill); }
.service__link {
  display: inline-flex; align-items: center; gap: .4rem; margin-top: auto; padding-top: .5rem;
  font-family: var(--font-display); font-size: var(--fs-sm); font-weight: 700; color: var(--sky-700);
}
.service__link::after { content: ""; position: absolute; inset: 0; border-radius: 24px; } /* toda la tarjeta es clicable */
.service__link .icon { transition: transform .25s var(--ease); }
.service:hover .service__link .icon { transform: translateX(4px); }
.service:has(.service__link:focus-visible) { outline: 3px solid var(--focus); outline-offset: 3px; }
.service__link:focus-visible { outline: none; }

@media (max-width: 960px) { .services { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  /* Carrusel horizontal con "asomo" de la siguiente tarjeta */
  .services {
    display: flex; gap: .875rem; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain;
    margin-inline: calc(var(--gutter) * -1); padding: 4px var(--gutter) 12px; scroll-padding-inline: var(--gutter); scrollbar-width: none;
  }
  .services::-webkit-scrollbar { display: none; }
  .service { flex: 0 0 82%; scroll-snap-align: start; }
  .service:hover { transform: none; box-shadow: none; }
  .service__media { aspect-ratio: 16 / 10; }
}

/* 6d. RESULTADOS: SLIDER ANTES / DESPUÉS ------------------------------------ */
@property --pos { syntax: "<percentage>"; inherits: true; initial-value: 50%; }

.results { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); align-items: center; gap: clamp(2rem, 1rem + 4vw, 5rem); }
.results__head { margin-bottom: 0; }

/* Pestañas de casos: botones de navegación rápida que se acomodan en varias filas */
.tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: var(--space-6); }
.tab {
  min-height: 44px; padding: 0 1.1rem; cursor: pointer;
  font-family: var(--font-display); font-size: .875rem; font-weight: 700; color: var(--gray-700);
  background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-pill);
  transition: background-color .25s, color .25s, border-color .25s;
}
.tab:hover { color: var(--sky-700); border-color: var(--sky-300); }
.tab[aria-selected="true"] { color: var(--white); background: var(--sky-600); border-color: var(--sky-600); }

.results__points { display: grid; gap: .75rem; margin-top: var(--space-6); }
.results__points li { display: flex; align-items: flex-start; gap: .6rem; font-size: var(--fs-sm); color: var(--gray-700); }
.results__points .icon { width: 1.35em; height: 1.35em; margin-top: .05em; }

.ba {
  position: relative; overflow: hidden; aspect-ratio: 1408 / 768;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); background: var(--gray-100);
  cursor: ew-resize; touch-action: pan-y; user-select: none; -webkit-user-select: none;
}
.ba img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.ba__after { clip-path: inset(0 0 0 var(--pos)); }
.ba__range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; pointer-events: none; }
.ba__handle { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 3px; margin-left: -1.5px; background: var(--white); box-shadow: 0 0 12px rgba(21, 27, 35, .25); }
.ba__knob {
  position: absolute; top: 50%; left: 50%; display: grid; place-items: center; width: 54px; height: 54px;
  transform: translate(-50%, -50%); border-radius: 50%; color: var(--sky-700); background: var(--white); box-shadow: var(--shadow-md);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.ba.is-dragging .ba__knob, .ba:hover .ba__knob { transform: translate(-50%, -50%) scale(1.08); }
.ba__range:focus-visible ~ .ba__handle .ba__knob { outline: 3px solid var(--focus); outline-offset: 3px; }
.ba__tag {
  position: absolute; top: 1rem; padding: .35rem .8rem; font-size: .75rem; font-weight: 600; letter-spacing: .04em;
  color: var(--ink); background: rgba(255, 255, 255, .85); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border-radius: var(--radius-pill); pointer-events: none;
}
.ba__tag--before { left: 1rem; }
.ba__tag--after { right: 1rem; color: var(--sky-700); }
.ba--hint { animation: ba-hint 1.8s var(--ease) both; }
@keyframes ba-hint { 30% { --pos: 32%; } 65% { --pos: 64%; } 100% { --pos: 50%; } }
.ba-caption { margin-top: var(--space-4); font-size: var(--fs-sm); color: var(--gray-700); }
.results__note { margin-top: var(--space-2); font-size: var(--fs-xs); color: var(--gray-400); }

@media (max-width: 860px) {
  .results { grid-template-columns: minmax(0, 1fr); }
  .results__points { display: none; }
  .ba__knob { width: 46px; height: 46px; }
}

/* 6e. CÓMO TRABAJAMOS: STORYTELLING EN CARRUSEL ----------------------------- */
.story { position: relative; }
.story__track { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .5rem; width: 42%; min-height: 34rem; justify-content: center; }
.story__media {
  position: absolute; top: 0; right: 0; height: 34rem; width: 54%; margin: 0; overflow: hidden;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  opacity: 0; transform: scale(1.03); transition: opacity .7s var(--ease), transform 1.2s var(--ease);
}
.story__step.is-active .story__media { opacity: 1; transform: none; }
.story__media picture, .story__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.story__placeholder {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: var(--space-5);
  color: var(--sky-300); background: linear-gradient(160deg, var(--sky-100) 0%, var(--sky-50) 50%, var(--white) 100%);
}
.story__placeholder svg { width: clamp(96px, 30%, 180px); height: auto; aspect-ratio: 1; }
.story__placeholder span { padding: .45rem .9rem; font-size: var(--fs-xs); font-weight: 500; color: var(--sky-700); background: rgba(255, 255, 255, .75); border-radius: var(--radius-pill); text-align: center; }

.story__text { position: relative; display: grid; grid-template-columns: auto 1fr; column-gap: 1.1rem; padding: 1.35rem 1.5rem 1.6rem; border-radius: var(--radius-md); transition: background-color .4s, box-shadow .4s; }
.story__step.is-active .story__text { background: var(--white); box-shadow: var(--shadow-md); }
.story__num { grid-row: span 2; font-family: var(--font-display); font-size: .875rem; font-weight: 800; line-height: 1.9; color: var(--gray-400); transition: color .3s; }
.story__step.is-active .story__num { color: var(--sky-600); }
.story__title { font-size: 1.25rem; font-weight: 700; }
.story__title button {
  padding: 0; border: 0; background: none; cursor: pointer; text-align: left;
  font: inherit; letter-spacing: inherit; color: var(--gray-500); transition: color .3s;
}
.story__title button::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius-md); }
.story__title button:focus-visible { outline: none; }
.story__title button:focus-visible::after { outline: 3px solid var(--focus); outline-offset: 2px; }
.story__step.is-active .story__title button, .story__title button:hover { color: var(--ink); }
.story__desc { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .5s var(--ease); }
.story__desc p { overflow: hidden; color: var(--gray-500); font-size: var(--fs-sm); }
.story__desc p::before { content: ""; display: block; height: .5rem; }
.story__desc strong { color: var(--ink); font-weight: 600; }
.story__step.is-active .story__desc { grid-template-rows: 1fr; }
/* Controles: flechas y pasos numerados (también en escritorio) */
.story__controls { display: flex; align-items: center; gap: var(--space-3); width: 42%; margin-top: var(--space-5); }
.story__arrow { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--gray-200); border-radius: 50%; color: var(--ink); background: var(--white); cursor: pointer; transition: border-color .2s, color .2s; }
.story__arrow:hover { border-color: var(--sky-300); color: var(--sky-700); }
.story__arrow[data-story-prev] .icon { transform: rotate(180deg); }
.story__dots { display: flex; gap: .4rem; }
.story__dots button {
  display: grid; place-items: center; width: 40px; height: 40px; padding: 0; cursor: pointer;
  font-family: var(--font-display); font-size: .875rem; font-weight: 700; color: var(--gray-500);
  background: var(--white); border: 1px solid var(--gray-200); border-radius: 50%; transition: background-color .25s, color .25s, border-color .25s;
}
.story__dots button:hover { border-color: var(--sky-300); color: var(--sky-700); }
.story__dots button[aria-current="true"] { color: var(--white); background: var(--sky-600); border-color: var(--sky-600); }
.story__cta { display: flex; justify-content: center; margin-top: clamp(2.5rem, 2rem + 2vw, 4rem); }

@media (max-width: 860px) {
  .story__track {
    flex-direction: row; justify-content: flex-start; gap: .875rem; width: auto; min-height: 0; overflow-x: auto;
    scroll-snap-type: x mandatory; overscroll-behavior-x: contain; scrollbar-width: none;
    margin-inline: calc(var(--gutter) * -1); padding: 4px var(--gutter) 12px; scroll-padding-inline: var(--gutter);
  }
  .story__track::-webkit-scrollbar { display: none; }
  .story__step { flex: 0 0 min(85%, 420px); scroll-snap-align: start; overflow: hidden; background: var(--white); border: 1px solid var(--gray-100); border-radius: 24px; }
  .story__media { position: relative; width: auto; height: auto; aspect-ratio: 4 / 3; border-radius: 0; box-shadow: none; opacity: 1; transform: none; }
  .story__text, .story__step.is-active .story__text { background: none; box-shadow: none; padding: 1.25rem 1.25rem 1.5rem; }
  .story__num { color: var(--sky-600); }
  .story__title button { color: var(--ink); cursor: default; }
  .story__title button::after { display: none; }
  .story__desc { grid-template-rows: 1fr; }
  .story__controls { width: auto; justify-content: center; }
  .story__cta { display: none; } /* en móvil la CTA vive en la barra fija inferior */
}

/* 6g. CHARLAS DE USO --------------------------------------------------------- */
.text-sky { color: var(--sky-600); }
.title-line { display: block; }
.charlas { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; gap: clamp(2rem, 1rem + 4vw, 5rem); }
.badge {
  display: inline-flex; align-items: center; gap: .5rem; margin-top: var(--space-5);
  padding: .5rem 1rem; font-size: var(--fs-sm); font-weight: 600; color: var(--sky-700);
  background: var(--white); border: 1px solid var(--sky-200); border-radius: var(--radius-pill);
}
.badge .icon { color: var(--sky-500); }
.charlas__list { display: grid; gap: .8rem; margin: var(--space-6) 0; }
.charlas__list li { display: flex; align-items: flex-start; gap: .65rem; color: var(--gray-700); }
.charlas__list .icon { width: 1.35em; height: 1.35em; margin-top: .1em; }

.tips {
  padding: clamp(1rem, .5rem + 1.5vw, 1.75rem); background: var(--white);
  border: 1px solid var(--gray-100); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
}
.tips__label { margin: .25rem .5rem 1rem; font-size: var(--fs-xs); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--gray-500); }
.tip { border-radius: var(--radius-md); transition: background-color .3s; }
.tip + .tip { margin-top: .375rem; }
.tip[open] { background: var(--sky-50); }
.tip summary {
  display: flex; align-items: center; gap: .9rem; padding: .9rem; cursor: pointer; list-style: none;
  border-radius: var(--radius-md); -webkit-tap-highlight-color: transparent;
}
.tip summary::-webkit-details-marker { display: none; }
.tip summary:hover .tip__q { color: var(--sky-700); }
.tip__icon { display: grid; place-items: center; flex: none; width: 48px; height: 48px; border-radius: 14px; color: var(--sky-600); background: var(--sky-50); }
.tip[open] .tip__icon { background: var(--white); }
.tip__icon svg { width: 30px; height: 30px; }
.tip__q { flex: 1; font-family: var(--font-display); font-size: 1rem; font-weight: 700; line-height: 1.35; color: var(--ink); transition: color .2s; }
/* Botón "+" compartido por los acordeones (Charlas de uso y Preguntas frecuentes) */
.acc-plus { display: grid; place-items: center; flex: none; width: 32px; height: 32px; border-radius: 50%; color: var(--sky-700); background: var(--white); border: 1px solid var(--gray-100); transition: transform .35s var(--ease); }
.acc-plus .icon { width: 16px; height: 16px; }
details[open] > summary .acc-plus { transform: rotate(45deg); }
.tip__a { padding: 0 1rem 1.1rem calc(.9rem + 48px + .9rem); font-size: var(--fs-sm); color: var(--gray-700); }
.tip[open] .tip__a { animation: tip-in .4s var(--ease); }
@keyframes tip-in { from { opacity: 0; transform: translateY(-4px); } }

@media (max-width: 860px) { .charlas { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 560px) {
  .tip__a { padding-left: .9rem; }
  .charlas__intro .btn { width: 100%; }
}

/* 6h. NUESTRO EQUIPO --------------------------------------------------------- */
.team { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); align-items: center; gap: clamp(1.5rem, 1rem + 2.5vw, 3rem); }
.team-photo { position: relative; margin: 0; overflow: hidden; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); background: var(--gray-50); }
.team-photo img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }

.pillars { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1rem, .5rem + 1vw, 1.5rem); margin: 0; padding: 0; list-style: none; }
.pillars--stack { grid-template-columns: minmax(0, 1fr); gap: .875rem; }
.pillar { padding: 1.5rem; background: var(--white); border: 1px solid var(--gray-100); border-radius: 22px; }
.pillars--stack .pillar { display: grid; grid-template-columns: auto 1fr; column-gap: 1rem; padding: 1.15rem 1.25rem; }
.pillars--stack .pillar__icon { grid-row: span 2; margin: 0; }
.pillar__icon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 1rem; border-radius: 14px; color: var(--sky-700); background: var(--sky-50); }
.pillar__icon .icon { width: 24px; height: 24px; }
.pillar__title { font-size: 1.0625rem; font-weight: 700; }
.pillar p { margin-top: .3rem; font-size: var(--fs-sm); color: var(--gray-500); }

.tools { margin-top: clamp(2.5rem, 2rem + 2vw, 4rem); }
.tools__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: .25rem 1.5rem; margin-bottom: var(--space-5); }
.tools__title { font-size: 1.375rem; font-weight: 800; }
.tools__lead { color: var(--gray-500); }
.tools__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(.75rem, .5rem + 1vw, 1.25rem); margin: 0; padding: 0; list-style: none; }

@media (max-width: 860px) { .team { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 560px) { .tools__grid { grid-template-columns: minmax(0, 1fr); } }

/* 6i. OPINIONES -------------------------------------------------------------- */
.reviews { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, .5rem + 1.2vw, 1.5rem); }
.review {
  position: relative; display: flex; flex-direction: column; gap: 1.1rem; padding: 1.75rem;
  background: var(--white); border: 1px solid var(--gray-100); border-radius: 24px; box-shadow: var(--shadow-sm);
}
.review__stars { display: flex; gap: .15rem; color: #F5B400; }
.review__stars .icon { width: 18px; height: 18px; }
.review__text { flex: 1; margin: 0; font-size: 1rem; line-height: 1.65; color: var(--gray-700); }
.review__author { display: flex; align-items: center; gap: .75rem; }
.review__author strong { display: block; font-family: var(--font-display); font-size: .9375rem; color: var(--ink); }
.review__author small { display: block; font-size: .8125rem; color: var(--gray-500); }
.review__avatar {
  display: grid; place-items: center; flex: none; width: 40px; height: 40px; border-radius: 50%;
  font-family: var(--font-display); font-weight: 700; color: var(--sky-700); background: var(--sky-100);
}
.review__source { font-size: var(--fs-xs); color: var(--gray-400); }

/* Tarjeta de espacio reservado (se reemplaza por reseñas reales) */
.review--placeholder { box-shadow: none; background: var(--gray-25); border-style: dashed; border-color: var(--gray-200); }
.review--placeholder .review__stars { color: var(--gray-200); }
.review--placeholder .review__avatar { background: var(--gray-100); }
.skeleton { display: grid; flex: 1; align-content: start; gap: .6rem; }
.skeleton > span { display: block; height: 10px; border-radius: 99px; background: var(--gray-100); }
.skeleton .skeleton--short { width: 60%; }
.review__author .skeleton { gap: .45rem; }
.skeleton .skeleton--name { width: 110px; height: 11px; }
.skeleton .skeleton--meta { width: 150px; height: 9px; }
.review__hint {
  position: absolute; left: 50%; bottom: -12px; transform: translateX(-50%); width: max-content; max-width: 90%;
  padding: .3rem .75rem; font-size: .75rem; font-weight: 500; color: var(--sky-700);
  background: var(--white); border: 1px solid var(--sky-100); border-radius: var(--radius-pill);
}
.reviews__cta { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin-top: clamp(2.5rem, 2rem + 2vw, 3.5rem); }

@media (max-width: 860px) {
  .reviews {
    display: flex; gap: .875rem; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain;
    margin-inline: calc(var(--gutter) * -1); padding: 4px var(--gutter) 18px; scroll-padding-inline: var(--gutter); scrollbar-width: none;
  }
  .reviews::-webkit-scrollbar { display: none; }
  .review { flex: 0 0 min(85%, 380px); scroll-snap-align: start; }
}
@media (max-width: 560px) { .reviews__cta .btn { width: 100%; } }

/* 6j. COBERTURA -------------------------------------------------------------- */
.coverage { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(2rem, 1rem + 4vw, 5rem); }
.checker { margin-top: var(--space-6); }
.checker__label { display: block; margin-bottom: var(--space-3); font-size: var(--fs-sm); font-weight: 600; color: var(--ink); }
.checker__row { display: flex; gap: .5rem; padding: .375rem; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-pill); box-shadow: var(--shadow-sm); transition: border-color .2s, box-shadow .2s; }
.checker__row:focus-within { border-color: var(--sky-400); box-shadow: var(--ring); }
.checker__field { display: flex; flex: 1; align-items: center; gap: .5rem; min-width: 0; padding-left: .85rem; color: var(--gray-400); }
.checker__field input { flex: 1; min-width: 0; height: 44px; padding: 0; border: 0; outline: 0; background: none; font-size: 1rem; color: var(--ink); }
.checker__field input::placeholder { color: var(--gray-300); }
.checker__row .btn { --btn-h: 44px; }
.checker__result:empty { display: none; }
.checker__result {
  display: flex; flex-wrap: wrap; align-items: center; gap: .35rem .9rem; margin-top: var(--space-4);
  padding: .9rem 1.1rem; font-size: var(--fs-sm); border-radius: var(--radius-md); animation: tip-in .35s var(--ease);
}
.checker__result a { font-family: var(--font-display); font-weight: 700; color: var(--sky-700); text-decoration: underline; text-underline-offset: 3px; }
.checker__result.is-ok { color: #11603A; background: #EAF7F0; border: 1px solid #C5EAD5; }
.checker__result.is-maybe { color: var(--gray-700); background: var(--white); border: 1px solid var(--gray-200); }
.checker__result.is-error { color: var(--gray-700); background: #FFF6E5; border: 1px solid #F7E0B5; }

.zones { padding: clamp(1.25rem, .75rem + 1.5vw, 2rem); background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.zone + .zone { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--gray-100); }
.zone__title { margin-bottom: .75rem; font-size: var(--fs-xs); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--gray-500); }
.zone__list { display: flex; flex-wrap: wrap; gap: .5rem; }
.zone__list li {
  padding: .45rem .9rem; font-size: .875rem; font-weight: 500; color: var(--gray-700);
  background: var(--gray-25); border: 1px solid var(--gray-100); border-radius: var(--radius-pill);
  transition: background-color .3s, border-color .3s, color .3s, transform .3s var(--ease);
}
.zone__list li.is-match { color: var(--white); background: var(--sky-600); border-color: var(--sky-600); transform: scale(1.06); }
.zones__note { margin-top: 1.25rem; font-size: var(--fs-sm); color: var(--gray-500); }

@media (max-width: 860px) { .coverage { grid-template-columns: minmax(0, 1fr); } }

/* 6k. PREGUNTAS FRECUENTES -------------------------------------------------- */
.faq { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); align-items: start; gap: clamp(2rem, 1rem + 4vw, 5rem); }
.faq__intro { position: sticky; top: calc(var(--header-h) + 2rem); }
.help-card {
  display: flex; align-items: center; gap: .9rem; margin-top: var(--space-6); padding: 1rem 1.1rem;
  background: var(--sky-50); border: 1px solid var(--sky-100); border-radius: var(--radius-md);
}
.help-card__icon { display: grid; place-items: center; flex: none; width: 44px; height: 44px; border-radius: 12px; color: var(--sky-700); background: var(--white); }
.help-card__text { flex: 1; min-width: 0; }
.help-card__text strong { display: block; font-family: var(--font-display); font-size: .9375rem; color: var(--ink); }
.help-card__text small { display: block; font-size: .8125rem; color: var(--gray-500); }

.faq__list { border-top: 1px solid var(--gray-100); }
.faq-item { border-bottom: 1px solid var(--gray-100); }
.faq-item summary { display: flex; align-items: center; gap: 1rem; padding: 1.25rem .25rem; cursor: pointer; list-style: none; border-radius: var(--radius-sm); -webkit-tap-highlight-color: transparent; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item__q { flex: 1; font-family: var(--font-display); font-size: 1.0625rem; font-weight: 700; line-height: 1.4; color: var(--ink); transition: color .2s; }
.faq-item summary:hover .faq-item__q { color: var(--sky-700); }
.faq-item[open] .acc-plus { color: var(--white); background: var(--sky-600); border-color: var(--sky-600); }
.faq-item__a { padding: 0 3.25rem 1.4rem .25rem; color: var(--gray-500); }
.faq-item__a a { color: var(--sky-700); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.faq-item[open] .faq-item__a { animation: tip-in .4s var(--ease); }

@media (max-width: 860px) {
  .faq { grid-template-columns: minmax(0, 1fr); }
  .faq__intro { position: static; }
  .faq-item__a { padding-right: .25rem; }
}
@media (max-width: 560px) { .help-card { flex-wrap: wrap; } .help-card .btn { width: 100%; } }

/* 6l. CONTACTO --------------------------------------------------------------- */
.contact {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 1rem + 4vw, 5rem); align-items: center;
  padding: clamp(1.5rem, .5rem + 4vw, 4rem); border-radius: 36px;
  background:
    radial-gradient(60% 80% at 0% 0%, var(--sky-100) 0%, rgba(228, 242, 252, 0) 70%),
    linear-gradient(160deg, var(--sky-50) 0%, var(--white) 70%);
  border: 1px solid var(--sky-100);
}
.channels { display: grid; gap: .75rem; margin-top: var(--space-6); }
.channel {
  display: flex; align-items: center; gap: .9rem; padding: .85rem 1rem; background: var(--white);
  border: 1px solid var(--gray-100); border-radius: var(--radius-md); transition: border-color .2s, box-shadow .2s, transform .25s var(--ease);
}
.channel:hover { border-color: var(--sky-200); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.channel__icon { display: grid; place-items: center; flex: none; width: 44px; height: 44px; border-radius: 12px; color: var(--sky-700); background: var(--sky-50); }
.channel__icon--wa { color: #FFFFFF; background: #25D366; }
.channel small { display: block; font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--gray-500); }
.channel strong { display: block; font-family: var(--font-display); font-size: 1rem; color: var(--ink); overflow-wrap: anywhere; }
.social--start { justify-content: flex-start; margin-top: var(--space-5); }

.contact-form { display: grid; gap: 1rem; padding: clamp(1.25rem, .75rem + 1.5vw, 2rem); background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.field { display: grid; gap: .4rem; min-width: 0; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.field label { font-size: .875rem; font-weight: 600; color: var(--ink); }
.field__optional { font-weight: 400; color: var(--gray-400); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: .7rem .9rem; font-size: 1rem; /* 16px: evita el zoom automático en iOS */
  color: var(--ink); background: var(--gray-25); border: 1px solid var(--gray-200); border-radius: 12px;
  transition: border-color .2s, box-shadow .2s, background-color .2s;
}
.field textarea { resize: vertical; min-height: 96px; }
.field select {
  appearance: none; -webkit-appearance: none; padding-right: 2.5rem; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%236B7682' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .8rem center; background-size: 18px;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; background-color: var(--white); border-color: var(--sky-400); box-shadow: var(--ring); }
.field input::placeholder, .field textarea::placeholder { color: var(--gray-300); }
.contact-form__note { font-size: var(--fs-xs); color: var(--gray-500); text-align: center; }

@media (max-width: 860px) { .contact { grid-template-columns: minmax(0, 1fr); border-radius: 28px; } }
@media (max-width: 560px) {
  .field-row { grid-template-columns: minmax(0, 1fr); }
  .contact { margin-inline: calc(var(--gutter) * -.5); }
}

/* 6m. FOOTER ----------------------------------------------------------------- */
.site-footer { margin-top: clamp(2rem, 1rem + 3vw, 4rem); padding-top: clamp(3rem, 2rem + 3vw, 4.5rem); background: var(--gray-25); border-top: 1px solid var(--gray-100); }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr)); gap: 2rem; }
.site-footer__brand p { max-width: 18rem; margin-top: 1rem; font-size: var(--fs-sm); color: var(--gray-500); }
.site-footer__brand .brand { margin-right: 0; }
.site-footer__title { margin-bottom: 1rem; font-family: var(--font-body); font-size: var(--fs-xs); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--gray-500); }
.site-footer__col ul { display: grid; gap: .6rem; font-size: var(--fs-sm); color: var(--gray-700); }
.site-footer__col a { transition: color .2s; }
.site-footer__col a:hover { color: var(--sky-700); }
.site-footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem;
  position: relative; margin-top: clamp(2.5rem, 2rem + 2vw, 3.5rem); padding-block: 1.5rem;
  font-size: var(--fs-xs); color: var(--gray-500);
}
.site-footer__bottom::before { content: ""; position: absolute; top: 0; left: var(--gutter); right: var(--gutter); border-top: 1px solid var(--gray-100); }
.site-footer__bottom p:last-child { max-width: 34rem; }

@media (max-width: 860px) { .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .site-footer__brand { grid-column: 1 / -1; } }
@media (max-width: 420px) { .site-footer__grid { grid-template-columns: minmax(0, 1fr); } }

/* 6n. DIÁLOGO DE MENSAJE (modo revisión de WhatsApp) ---------------------- */
.msg-dialog {
  width: min(560px, calc(100% - 2rem)); max-height: calc(100% - 2rem); padding: 0; overflow: auto;
  color: var(--gray-700); background: var(--white); border: 0; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
}
.msg-dialog::backdrop { background: rgba(21, 27, 35, .45); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }
.msg-dialog[open] { animation: tip-in .3s var(--ease); }
.msg-dialog__inner { position: relative; padding: clamp(1.5rem, 1rem + 2vw, 2.25rem); }
.msg-dialog__close {
  position: absolute; top: 1rem; right: 1rem; display: grid; place-items: center; width: 44px; height: 44px;
  border: 1px solid var(--gray-100); border-radius: 50%; color: var(--ink); background: var(--gray-25); cursor: pointer;
}
.msg-dialog__close .icon { transform: rotate(45deg); }
.msg-dialog__title { font-size: 1.5rem; font-weight: 800; }
.msg-dialog__lead { margin-top: .5rem; font-size: var(--fs-sm); color: var(--gray-500); }
.msg-dialog__label { display: block; margin: 1.25rem 0 .4rem; font-size: .875rem; font-weight: 600; color: var(--ink); }
.msg-dialog textarea {
  width: 100%; min-height: 130px; padding: .8rem .9rem; font-size: 1rem; line-height: 1.5; color: var(--ink);
  background: var(--gray-25); border: 1px solid var(--gray-200); border-radius: 12px; resize: vertical;
}
.msg-dialog textarea:focus { outline: 0; background: var(--white); border-color: var(--sky-400); box-shadow: var(--ring); }
.msg-dialog__actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1rem; }
.msg-dialog__status { min-height: 1.4em; margin-top: .6rem; font-size: var(--fs-sm); color: #11603A; }
@media (max-width: 560px) { .msg-dialog__actions .btn { flex: 1 1 100%; } }

/* 6o. ETIQUETA DE IMAGEN REFERENCIAL Y LISTAS ------------------------------- */
.photo-tag {
  position: absolute; left: .75rem; bottom: .75rem; z-index: 2; padding: .3rem .7rem;
  font-size: .6875rem; font-weight: 500; color: var(--ink); line-height: 1.3;
  background: rgba(255, 255, 255, .86); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); border-radius: var(--radius-pill);
}
/* En el carrusel del proceso el rótulo va arriba: abajo taparía detalles como la pantalla del equipo */
.story__media .photo-tag { top: .75rem; bottom: auto; }
.check-list { display: grid; gap: .75rem; margin: var(--space-6) 0; padding: 0; list-style: none; }
.check-list li { display: flex; align-items: flex-start; gap: .65rem; color: var(--gray-700); }
.check-list .icon { width: 1.35em; height: 1.35em; margin-top: .1em; }

/* 6p. INSTALACIÓN Y PANELADO ------------------------------------------------- */
.install { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(2rem, 1rem + 4vw, 5rem); }
.install__media { position: relative; margin: 0; }
.install__media img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; object-position: 50% 50%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.install__badge {
  position: absolute; right: -1.25rem; top: 1.5rem; display: flex; align-items: center; gap: .75rem; padding: .8rem 1.1rem .8rem .8rem;
  background: rgba(255, 255, 255, .92); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border: 1px solid var(--white); border-radius: var(--radius-md); box-shadow: var(--shadow-md);
}
.install__badge-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; color: var(--sky-700); background: var(--sky-100); }
.install__badge strong { display: block; font-family: var(--font-display); font-size: .9375rem; color: var(--ink); }
.install__badge small { display: block; font-size: .8125rem; color: var(--gray-500); }
.install__ctas, .b2b__ctas { display: flex; flex-wrap: wrap; gap: .75rem; }
@media (max-width: 860px) {
  .install { grid-template-columns: minmax(0, 1fr); }
  .install__media { order: 2; }
  .install__badge { right: .75rem; top: .75rem; }
}

/* 6q. GALERÍA (cuadrícula, sin carrusel) ------------------------------------- */
.gallery-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1rem 2rem; max-width: none; }
.gallery-head > div { max-width: 46rem; }
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(.75rem, .5rem + 1vw, 1.25rem); margin: 0; padding: 0; list-style: none; }
.g-tile figure { margin: 0; }
.g-tile__media {
  position: relative; overflow: hidden; aspect-ratio: 4 / 3;
  border: 1px solid var(--gray-100); border-radius: 20px;
  background: radial-gradient(circle at 50% 45%, var(--white) 0%, var(--sky-50) 55%, var(--sky-100) 100%);
}
.g-tile__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.g-tile figcaption { display: grid; gap: .1rem; padding: .7rem .25rem 0; }
.g-tile__cat { font-size: .6875rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--sky-700); }
.g-tile__title { font-family: var(--font-display); font-size: .9375rem; font-weight: 700; line-height: 1.35; color: var(--ink); }
.gallery__more { display: flex; justify-content: center; margin-top: clamp(2rem, 1.5rem + 2vw, 3rem); }
@media (max-width: 860px) { .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); } .gallery-head__link { display: none; } }
@media (max-width: 560px) { .g-tile__title { font-size: .8125rem; } .gallery__more .btn { width: 100%; } }

/* Galería completa (galeria.html) */
.gallery-page { padding-top: clamp(2rem, 1rem + 3vw, 3.5rem); }
.breadcrumb { display: flex; gap: .5rem; margin-bottom: var(--space-6); font-size: var(--fs-sm); color: var(--gray-500); }
.breadcrumb a { color: var(--sky-700); font-weight: 600; }
.gallery-filter { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: var(--space-6); }
.gallery-filter__btn {
  min-height: 44px; padding: 0 1.1rem; cursor: pointer; font-family: var(--font-display); font-size: .875rem; font-weight: 700;
  color: var(--gray-700); background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-pill); transition: all .2s;
}
.gallery-filter__btn:hover { border-color: var(--sky-300); color: var(--sky-700); }
.gallery-filter__btn[aria-pressed="true"] { color: var(--white); background: var(--sky-600); border-color: var(--sky-600); }
.gallery-group + .gallery-group { margin-top: clamp(2.5rem, 2rem + 2vw, 3.5rem); }
.gallery-group__title { margin-bottom: var(--space-5); font-size: 1.5rem; font-weight: 800; }
.gallery-page__cta { display: grid; justify-items: center; gap: var(--space-4); margin-top: clamp(3rem, 2rem + 3vw, 4.5rem); padding: clamp(1.5rem, 1rem + 2vw, 2.5rem); text-align: center; background: var(--sky-50); border: 1px solid var(--sky-100); border-radius: var(--radius-lg); }
.gallery-page__cta p { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; color: var(--ink); }

/* 6r. EMPRESAS Y EDIFICIOS (B2B) --------------------------------------------- */
.b2b { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: clamp(2rem, 1rem + 4vw, 5rem); }
.b2b__mail { margin-top: var(--space-4); font-size: var(--fs-sm); color: var(--gray-500); }
.b2b__mail strong { color: var(--ink); font-weight: 600; user-select: all; }
.b2b__cards { display: grid; gap: .875rem; margin: 0; padding: 0; list-style: none; }
.b2b-card { display: grid; grid-template-columns: auto 1fr; gap: 1rem; padding: 1.35rem; background: var(--white); border: 1px solid var(--gray-100); border-radius: 22px; box-shadow: var(--shadow-sm); }
.b2b-card__icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; color: var(--sky-700); background: var(--sky-50); }
.b2b-card__icon .icon { width: 24px; height: 24px; }
.b2b-card__title { font-size: 1.0625rem; font-weight: 700; }
.b2b-card p { margin-top: .3rem; font-size: var(--fs-sm); color: var(--gray-500); }
@media (max-width: 860px) { .b2b { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 560px) { .install__ctas .btn, .b2b__ctas .btn { width: 100%; } }

/* 6s. BOTONES FLOTANTES DE CONTACTO (llamada + WhatsApp) -------------------- */
/* Pila fija en la esquina: «Llámanos» arriba y «Escríbenos» abajo, en el verde original de WhatsApp.
   Las etiquetas van en pastillas blancas: el texto blanco sobre #25D366 no alcanza el contraste mínimo */
.fab-stack {
  position: fixed; z-index: 45;
  right: calc(1.25rem + env(safe-area-inset-right, 0px)); bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  display: flex; flex-direction: column; align-items: flex-end; gap: .75rem;
  animation: fab-in .6s var(--ease) .3s both;
}
@keyframes fab-in { from { opacity: 0; transform: translateY(16px); } }
.call-fab, .wa-fab { display: flex; align-items: center; gap: .6rem; border-radius: var(--radius-pill); }
.fab-label {
  padding: .5rem .9rem; font-family: var(--font-display); font-size: .875rem; font-weight: 700; color: var(--ink);
  background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-pill); box-shadow: var(--shadow-md);
  transition: transform .25s var(--ease);
}
.wa-fab__circle, .call-fab__circle {
  display: grid; place-items: center; border-radius: 50%; color: #FFFFFF;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .2s;
}
/* El aro blanco separa los círculos del contenido que pasa por detrás (por ejemplo, un botón azul) */
.wa-fab__circle { width: 60px; height: 60px; background: #25D366; box-shadow: 0 0 0 3px var(--white), 0 10px 24px -6px rgba(18, 140, 126, .55), 0 2px 6px rgba(21, 27, 35, .15); }
.wa-fab__icon { width: 32px; height: 32px; }
/* Llamada: algo más pequeño (WhatsApp es la acción principal), centrado sobre el círculo verde */
.call-fab__circle { width: 52px; height: 52px; margin-right: 4px; background: var(--sky-600); box-shadow: 0 0 0 3px var(--white), 0 10px 22px -8px rgba(18, 110, 175, .6), 0 2px 6px rgba(21, 27, 35, .15); }
.call-fab__icon { width: 26px; height: 26px; }
.wa-fab:hover .wa-fab__circle { background: #1EBE5A; transform: translateY(-2px); }
.call-fab:hover .call-fab__circle { background: var(--sky-700); transform: translateY(-2px); }
.call-fab:hover .fab-label, .wa-fab:hover .fab-label { transform: translateX(-3px); }
.call-fab:focus-visible, .wa-fab:focus-visible { outline-offset: 4px; }
@media (max-width: 860px) {
  .fab-stack { right: calc(1rem + env(safe-area-inset-right, 0px)); bottom: calc(1rem + env(safe-area-inset-bottom, 0px)); gap: .6rem; }
  .wa-fab__circle { width: 56px; height: 56px; }
  .call-fab__circle { width: 48px; height: 48px; }
  .fab-label { display: none; } /* en el celular solo los círculos, para no tapar el contenido */
  .site-footer__bottom { padding-bottom: 8.5rem; } /* que los botones no tapen el pie */
}

/* 7. RESPONSIVE ------------------------------------------------------------- */


@media (max-width: 1180px) {
  .main-nav { display: none; }
  .menu-toggle { display: inline-block; }
  .float-card--bottom { right: -3%; }
}

@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__visual { max-width: 560px; width: 100%; margin-inline: auto; margin-top: var(--space-4); }
  .hero-photo { aspect-ratio: 3 / 2; }
  .float-card--bottom { right: var(--space-3); bottom: var(--space-3); }
  .hero-photo__caption { top: .75rem; bottom: auto; left: auto; right: .75rem; font-size: .6875rem; }
  .seal { width: 84px; height: 84px; top: -22px; right: var(--space-3); }
  .seal__flag { width: 32px; height: 32px; }
  .brands { flex-direction: column; align-items: flex-start; margin-top: var(--space-8); }
  .brands__list { justify-content: flex-start; width: 100%; }

}

@media (max-width: 560px) {
  .site-header__actions > .btn--primary { display: none; } /* en móvil la acción vive en el botón flotante de WhatsApp */
  .brand__mark { width: 40px; }
  .brand__word { font-size: 1.05rem; }
  .hero__ctas .btn { width: 100%; }
  .chips { flex-wrap: nowrap; overflow-x: auto; margin-inline: calc(var(--gutter) * -1); padding: 2px var(--gutter); scrollbar-width: none; scroll-snap-type: x proximity; scroll-padding-inline: var(--gutter); }
  .chips::-webkit-scrollbar { display: none; }
  .chip { scroll-snap-align: start; flex: none; }
  .trust { flex-direction: column; }
  .story__placeholder span, .hero-photo__caption-more, .seal { display: none; }
  .float-card { padding: .6rem .8rem .6rem .6rem; gap: .6rem; }
  .float-card__icon { width: 34px; height: 34px; border-radius: 10px; }
  .float-card strong { font-size: .8125rem; }
  .float-card small { font-size: .72rem; }
  .brands__list li { font-size: .9rem; }
}

/* 8. MOVIMIENTO REDUCIDO ----------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}