/* ==========================================================================
   IMPRIME TODO — hoja de estilos
   Escrita mobile-first: las reglas base son las del teléfono y las media
   queries (min-width) sólo añaden lo que hace falta en pantallas grandes.
   ========================================================================== */

/* ── Tokens ─────────────────────────────────────────────────────────────── */
:root {
  --c: #00AEEF;          /* cian proceso   */
  --m: #EC008C;          /* magenta proceso */
  --y: #FFF200;          /* amarillo proceso */
  --k: #231F20;          /* negro proceso  */

  /* El magenta puro con texto blanco encima da 4.25:1 y AA pide 4.5. Esta
     versión un punto más oscura llega a 4.78:1 y se usa sólo en los fondos
     que llevan texto; la barra CMYK y los bloques decorativos van en --m. */
  --m-deep: #DD0082;
  --white: #FFFFFF;
  --tint: #F4F4F4;
  --line: #E2E2E2;
  --muted: #5C5C5C;      /* 6.4:1 sobre blanco */

  --wrap: 78rem;
  --gap: 1.25rem;
  --pad-y: 3.5rem;

  --r: 2px;
  --ease: cubic-bezier(.4, 0, .2, 1);
}

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

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

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--k);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.1; letter-spacing: -.02em; margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }

button, input, select, textarea { font: inherit; color: inherit; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* ── Utilidades ─────────────────────────────────────────────────────────── */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gap);
}

.sr-only {
  position: absolute; 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: 0; top: -100%;
  z-index: 999;
  background: var(--y); color: var(--k);
  padding: .75rem 1.25rem;
  font-weight: 700; text-decoration: none;
}
.skip-link:focus { top: 0; }

/* Barra CMYK — el motivo gráfico que se repite entre secciones */
.cmyk-bar {
  height: 5px;
  background: linear-gradient(90deg,
    var(--c) 0 25%, var(--m) 25% 50%, var(--y) 50% 75%, var(--k) 75% 100%);
}

.eyebrow {
  display: flex; align-items: center; gap: .5rem;
  margin-bottom: .75rem;
  font-size: .6875rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted);
}
.eyebrow::before {
  content: ""; width: .5rem; height: .5rem;
  background: var(--m); flex: none;
}
.eyebrow--light { color: var(--c); }
.eyebrow--light::before { background: var(--y); }

/* ── Botones ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.75rem;                 /* objetivo táctil de 44px */
  padding: .75rem 1.5rem;
  border: 1px solid transparent; border-radius: var(--r);
  font-size: .8125rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  transition: background .15s var(--ease), color .15s var(--ease);
}
.btn--yellow { background: var(--y); color: var(--k); }
.btn--yellow:hover { background: var(--k); color: var(--y); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn--ghost:hover { background: var(--white); color: var(--k); }
.btn--block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }

.link {
  display: inline-block; margin-top: 1rem;
  font-size: .8125rem; font-weight: 700;
  letter-spacing: .04em; text-decoration: none;
  border-bottom: 2px solid var(--y); padding-bottom: 2px;
}

/* ── Logotipo tipográfico ───────────────────────────────────────────────── */
.logo {
  display: inline-flex; align-items: center; gap: .625rem;
  text-decoration: none; color: inherit;
}
.logo__mark {
  display: grid;
  grid-template-columns: repeat(2, 9px);
  grid-template-rows: repeat(2, 9px);
  gap: 2px; flex: none;
}
.logo__mark i { display: block; }
.logo__mark .c { background: var(--c); }
.logo__mark .m { background: var(--m); }
.logo__mark .y { background: var(--y); }
.logo__mark .k { background: currentColor; }

.logo__text {
  font-size: 1rem; font-weight: 300;
  letter-spacing: .01em; white-space: nowrap;
}
.logo__text b { font-weight: 900; letter-spacing: -.02em; }

/* ── Header ─────────────────────────────────────────────────────────────── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--k); color: var(--white);
}
.header__inner {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 1rem;
  max-width: var(--wrap); margin-inline: auto;
  padding: .875rem var(--gap);
}

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.75rem; height: 2.75rem;
  background: none; border: 0; cursor: pointer;
}
.nav-toggle__bars { display: grid; gap: 5px; }
.nav-toggle__bars i {
  display: block; width: 22px; height: 2px;
  background: var(--white);
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menú móvil: oculto por defecto, se despliega con el botón. Ocupa la fila
   completa del flex del header para caer debajo del logo, no a su costado. */
.nav {
  display: none;
  flex-basis: 100%;
  margin-inline: calc(var(--gap) * -1);
  border-top: 1px solid rgba(255,255,255,.12);
}
.nav.is-open { display: block; }
.nav__list { padding: .5rem var(--gap) .5rem; }
.nav__list li + li { margin-top: .25rem; }
.nav__list a {
  display: block; padding: .75rem 0;
  font-size: .875rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
  color: rgba(255,255,255,.85); text-decoration: none;
}
.nav__list a:hover { color: var(--y); }

/* El CTA es un botón, no un enlace de lista: hay que recuperar el display y
   el color que .nav__list a le pisa por especificidad. */
.nav__list .nav__cta {
  display: inline-flex;
  margin-top: .75rem;
  padding: .75rem 1.5rem;
  color: var(--k);
}
.nav__list .nav__cta:hover { color: var(--y); }

.urgency {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: center; gap: .5rem;
  background: var(--m-deep); color: var(--white);
  padding: .5rem var(--gap);
  font-size: .75rem; font-weight: 600;
  letter-spacing: .04em; text-align: center;
}
.urgency a { font-weight: 700; text-decoration: underline; }

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero {
  background: var(--k); color: var(--white);
  padding-block: 3rem 0;
}
.hero__grid { display: grid; gap: 2.5rem; }

.hero__title {
  font-size: clamp(2.5rem, 11vw, 3.5rem);
  font-weight: 900;
  margin-bottom: 1rem;
}
.hero__title em { font-style: normal; color: var(--y); }

.hero__lead {
  color: rgba(255,255,255,.72);
  max-width: 34ch;
  margin-bottom: 2rem;
}

.hero__art { position: relative; padding-bottom: 2.5rem; }
.swatches {
  display: grid; grid-template-columns: 1fr 1fr; gap: .625rem;
  position: relative; z-index: 1;
}
.swatch {
  display: flex; align-items: flex-end;
  min-height: 6rem; padding: .75rem;
  font-size: .6875rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
}
.swatch--c { background: var(--c); color: var(--k); }
.swatch--m { background: var(--m-deep); color: var(--white); }
.swatch--y { background: var(--y); color: var(--k); }
.swatch--k { background: #3A3A3A; color: var(--white); }

.hero__plus {
  position: absolute; right: -1rem; bottom: -2rem;
  font-size: 12rem; font-weight: 900; line-height: 1;
  color: rgba(255,255,255,.05);
  user-select: none; pointer-events: none;
}

/* ── Barra de confianza ─────────────────────────────────────────────────── */
.trust { background: var(--y); color: var(--k); }
.trust__list {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  padding-block: 1.5rem;
  font-size: .8125rem; font-weight: 600;
}
.trust__list li { display: flex; flex-direction: column; }
.trust__list b { font-size: 1.5rem; font-weight: 900; letter-spacing: -.03em; }

/* ── Secciones ──────────────────────────────────────────────────────────── */
.section { padding-block: var(--pad-y); }
.section--dark { background: var(--k); color: var(--white); }
.section--tint { background: var(--tint); }

.section__title {
  font-size: clamp(1.75rem, 7vw, 2.25rem);
  font-weight: 800;
  margin-bottom: .75rem;
}
.section__lead {
  color: var(--muted); max-width: 46ch; margin-bottom: 2rem;
}
.section--dark .section__lead { color: rgba(255,255,255,.65); }

/* ── Acordeón de servicios ──────────────────────────────────────────────── */
.accordion { display: grid; gap: .625rem; }

.acc { border: 1px solid var(--line); background: var(--white); }
.acc--c { border-left: 4px solid var(--c); }
.acc--m { border-left: 4px solid var(--m); }
.acc--k { border-left: 4px solid var(--k); }

.acc__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; width: 100%;
  min-height: 3.5rem; padding: 1rem 1.125rem;
  background: none; border: 0; cursor: pointer; text-align: left;
}
.acc__name { font-size: 1rem; font-weight: 700; }

.acc__icon { position: relative; width: 14px; height: 14px; flex: none; }
.acc__icon::before, .acc__icon::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  background: var(--k);
}
.acc__icon::before { width: 100%; height: 2px; }
.acc__icon::after  { width: 2px; height: 100%; transition: transform .2s var(--ease); }
.acc__head[aria-expanded="true"] .acc__icon::after { transform: scaleY(0); }

.acc__panel { padding: 0 1.125rem 1.25rem; }
.acc__panel > p { color: var(--muted); margin-bottom: 1rem; }

.tags { display: flex; flex-wrap: wrap; gap: .375rem; }
.tags li {
  padding: .3125rem .625rem;
  background: var(--tint); border: 1px solid var(--line);
  font-size: .75rem; font-weight: 500;
}

/* ── Por qué nosotros ───────────────────────────────────────────────────── */
.why { display: grid; gap: 2rem; }
.why__num {
  display: block;
  font-size: 2.75rem; font-weight: 900;
  letter-spacing: -.04em; line-height: 1;
  margin-bottom: .625rem;
}
.why__num--c { color: var(--c); }
.why__num--m { color: var(--m); }
.why__num--y { color: var(--y); }
.why__item h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: .5rem; }
.why__item p { color: rgba(255,255,255,.65); font-size: .9375rem; }

/* ── Portafolio ─────────────────────────────────────────────────────────── */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.75rem; }
.chip {
  min-height: 2.75rem; padding: .5rem 1rem;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r); cursor: pointer;
  font-size: .75rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  transition: background .15s var(--ease), color .15s var(--ease);
}
.chip:hover { border-color: var(--k); }
.chip.is-active { background: var(--k); color: var(--white); border-color: var(--k); }

.work { display: grid; gap: 1.5rem; }
.work__img {
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 4 / 3; margin-bottom: .875rem;
  font-size: .6875rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  text-align: center;
}
.work__img--c { background: var(--c); color: var(--k); }
.work__img--m { background: var(--m-deep); color: var(--white); }
.work__img--k { background: var(--k); color: rgba(255,255,255,.5); }

.work__cat {
  font-size: .6875rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted); margin-bottom: .25rem;
}
.work__name { font-size: 1rem; font-weight: 700; }
.work__empty { color: var(--muted); font-size: .9375rem; }

/* ── Testimonios ────────────────────────────────────────────────────────── */
.quotes { display: grid; gap: 1rem; }
.quote {
  padding: 1.75rem 1.5rem;
  background: var(--tint); border-top: 4px solid var(--y);
}
.quote blockquote {
  margin: 0 0 1.25rem; font-size: .9375rem; line-height: 1.7;
}
.quote blockquote::before { content: "\201C"; }
.quote blockquote::after  { content: "\201D"; }
.quote__by {
  font-size: .8125rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em;
}
.quote__by span {
  display: block; margin-top: .125rem;
  font-weight: 400; text-transform: none; letter-spacing: 0;
  color: var(--muted);
}

/* ── Contacto ───────────────────────────────────────────────────────────── */
.contact { display: grid; gap: 2.5rem; }

.contact__list { display: grid; gap: 1rem; margin-top: 1.75rem; }
.contact__list li { display: grid; gap: .125rem; }
.contact__list b {
  font-size: .6875rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
}
.contact__list a { font-weight: 600; }

.form { display: grid; gap: 1rem; }
.field { display: grid; gap: .375rem; }
.field label {
  font-size: .6875rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
}
.field label span { color: var(--m-deep); }   /* asterisco de campo obligatorio */

.field input, .field select, .field textarea {
  width: 100%; min-height: 2.75rem;
  padding: .6875rem .875rem;
  background: var(--white);
  border: 1px solid var(--line); border-radius: var(--r);
  transition: border-color .15s var(--ease);
}
.field textarea { min-height: 7rem; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--c); }
.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] { border-color: var(--m); }

.field__hint { font-size: .75rem; color: var(--muted); }

.form__status:not(:empty) {
  padding: .875rem 1rem;
  background: var(--k); color: var(--y);
  font-size: .875rem; font-weight: 600;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer { background: var(--k); color: var(--white); padding-top: 3rem; }
.footer__grid { display: grid; gap: 2rem; padding-bottom: 2.5rem; }
.footer__brand p {
  margin-top: 1rem; font-size: .875rem;
  color: rgba(255,255,255,.55); max-width: 38ch;
}
.logo--footer .logo__mark .k { background: var(--white); }

.footer__col h2 {
  font-size: .6875rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.55); margin-bottom: .875rem;
}
.footer__col li + li { margin-top: .5rem; }
.footer__col a, .footer__col span {
  font-size: .875rem; color: rgba(255,255,255,.75); text-decoration: none;
}
.footer__col a:hover { color: var(--y); }

.footer__legal {
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem;
  justify-content: space-between;
  padding-block: 1.25rem;
  font-size: .75rem; color: rgba(255,255,255,.6);
}

/* ── Botón flotante de WhatsApp ─────────────────────────────────────────── */
.wa {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 200;
  display: grid; place-items: center;
  width: 3.25rem; height: 3.25rem;
  background: #25D366; border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
  transition: transform .2s var(--ease);
}
.wa svg { width: 1.625rem; height: 1.625rem; fill: var(--white); }
.wa:hover { transform: scale(1.08); }

/* ==========================================================================
   ≥ 40em — tablet
   ========================================================================== */
@media (min-width: 40em) {
  :root { --gap: 2rem; --pad-y: 4.5rem; }

  .trust__list { grid-template-columns: repeat(4, 1fr); }
  .why { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
  .work { grid-template-columns: repeat(2, 1fr); }
  .quotes { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: 2fr 1fr 1fr; }

  .form { grid-template-columns: 1fr 1fr; }
  .field:nth-child(4),
  .field:nth-child(5),
  .field:nth-child(6),
  .form > .btn,
  .form__status { grid-column: 1 / -1; }
  .btn--block { width: auto; justify-self: start; padding-inline: 2.5rem; }

  .urgency { justify-content: center; }
  .hero__title { font-size: clamp(3rem, 8vw, 4rem); }
}

/* ==========================================================================
   ≥ 64em — escritorio
   ========================================================================== */
@media (min-width: 64em) {
  :root { --pad-y: 5.5rem; }

  /* El menú deja de ser desplegable y vuelve a la barra */
  .nav-toggle { display: none; }
  .nav { display: block; flex-basis: auto; margin-inline: 0; border: 0; }
  .nav__list { display: flex; align-items: center; gap: 1.75rem; padding: 0; }
  .nav__list li + li { margin-top: 0; }
  .nav__list a { padding: 0; font-size: .75rem; }
  .nav__list .nav__cta { margin-top: 0; padding: .625rem 1.375rem; }

  .hero { padding-block: 0; }
  .hero__grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
    min-height: 32rem;
  }
  .hero__body { padding-block: 5rem; }
  .hero__art { padding-bottom: 0; }
  .swatches { gap: .875rem; }
  .swatch { min-height: 8.5rem; }

  .work { grid-template-columns: repeat(3, 1fr); }
  .contact { grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
  .accordion { max-width: 52rem; }

  .wa { right: 1.75rem; bottom: 1.75rem; width: 3.5rem; height: 3.5rem; }
}