/* ============================================================
   ROLDREK — hoja de estilos
   Sistema visual derivado del footer (la pieza de referencia):
   B/N estricto (#FFFFFF / #0A0A0A), líneas de pelo, tipografía
   display en mayúsculas y trazo hueco (outline) como único acento.
   Display: Archivo Black · Cuerpo: Archivo
   ============================================================ */

:root {
  --negro: #0A0A0A;
  --blanco: #FFFFFF;
  --fuente-display: "Archivo Black", "Archivo", sans-serif;
  --fuente-cuerpo: "Archivo", sans-serif;

  /* Líneas de pelo, tomadas del footer */
  --linea-l: rgba(10, 10, 10, .16);
  --linea-l-suave: rgba(10, 10, 10, .09);
  --linea-d: rgba(255, 255, 255, .18);
  --linea-d-suave: rgba(255, 255, 255, .1);
  --borde: 1px solid var(--linea-l);

  --pad-x: clamp(1.25rem, 5vw, 5rem);
  --header-h: 4.25rem;
  --curva: cubic-bezier(.22, .9, .3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

html, body { overflow-x: clip; }

body {
  font-family: var(--fuente-cuerpo);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--negro);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; }
a { color: inherit; }
ul, ol { list-style: none; }

::selection { background: var(--negro); color: var(--blanco); }
.hero ::selection,
.section--dark ::selection,
.cta-band ::selection,
.header ::selection,
.footer ::selection { background: var(--blanco); color: var(--negro); }

/* Barra de desplazamiento en clave footer: blanco sobre negro */
* { scrollbar-width: thin; scrollbar-color: var(--blanco) var(--negro); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--blanco); border: 2px solid var(--negro); }
::-webkit-scrollbar-track { background: var(--negro); }

/* Anillos de foco accesibles, sin color añadido */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible,
summary:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

/* ============ TIPOGRAFÍA BASE ============ */

h1, h2, h3 {
  font-family: var(--fuente-display);
  font-weight: 400;
  line-height: 1.05;
  text-transform: uppercase;
}

/* Trazo hueco: el gesto del footer aplicado a las palabras clave.
   Con @supports para que, si no existe text-stroke, quede texto sólido. */
@supports (-webkit-text-stroke: 1px #000) {
  .section__title em,
  .nosotros__manifesto em {
    color: transparent;
    -webkit-text-stroke: 2px var(--negro);
  }
  .nosotros__manifesto em { -webkit-text-stroke-width: 1.5px; }
  .section--dark .section__title em,
  .cta-band__title em {
    color: transparent;
    -webkit-text-stroke: 2px var(--blanco);
  }
  .rotor {
    color: transparent;
    -webkit-text-stroke: 2px var(--blanco);
  }
}

/* ============ BOTONES ============ */

.btn {
  display: inline-block;
  font-family: var(--fuente-cuerpo);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-align: center;
  padding: 0.95em 2em;
  border: 1px solid currentColor;
  border-radius: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn--ghost-light { color: var(--blanco); border-color: var(--blanco); }
.btn--ghost-light:hover { background: var(--blanco); color: var(--negro); }

.btn--big { font-size: 1rem; padding: 1.1em 2.4em; }

/* Botones principales: sólidos e invertidos según el fondo,
   como el wordmark del footer (blanco sobre negro / negro sobre blanco) */
.btn--acento, .btn--wa {
  background: var(--negro);
  border-color: var(--negro);
  color: var(--blanco);
}
.btn--acento:hover, .btn--wa:hover {
  background: transparent;
  color: var(--negro);
}

.header .btn--wa, .hero .btn--wa,
.section--dark .btn--wa, .section--dark .btn--acento,
.cta-band .btn--wa, .mobile-menu .mobile-menu__wa {
  background: var(--blanco);
  border-color: var(--blanco);
  color: var(--negro);
}
.header .btn--wa:hover, .hero .btn--wa:hover,
.section--dark .btn--wa:hover, .section--dark .btn--acento:hover,
.cta-band .btn--wa:hover, .mobile-menu .mobile-menu__wa:hover {
  background: transparent;
  color: var(--blanco);
}

/* El formulario vive en tarjeta blanca: su botón vuelve a negro */
.form .btn--acento { background: var(--negro); border-color: var(--negro); color: var(--blanco); }
.form .btn--acento:hover { background: transparent; color: var(--negro); }

/* Flecha que se desliza en los CTAs */
.btn--acento, .btn--wa { position: relative; overflow: hidden; }
.btn--acento::after, .btn--wa::after {
  content: "\00a0\2192";
  display: inline-block;
  transition: transform .25s ease;
}
.btn--acento:hover::after, .btn--wa:hover::after { transform: translateX(4px); }

/* ============ HEADER ============ */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 2rem;
  height: var(--header-h);
  padding: 0 var(--pad-x);
  background: var(--negro);
  color: var(--blanco);
  border-bottom: 1px solid var(--linea-d);
}
.header.is-scrolled { border-bottom-color: rgba(255, 255, 255, .4); }

.header__brand {
  text-decoration: none;
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.wordmark {
  font-family: var(--fuente-display);
  font-size: 1.15rem;
  letter-spacing: 0.28em;
  position: relative;
  padding-bottom: 6px;
}
.wordmark::after {
  content: "";
  position: absolute;
  left: 15%;
  right: 15%;
  bottom: 0;
  height: 2px;
  background: currentColor;
}

.header__nav { display: flex; gap: 2rem; }
.header__nav a {
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-decoration: none;
  opacity: .82;
  transition: opacity .15s ease;
  position: relative;
  padding-bottom: 4px;
}
.header__nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transition: right .2s ease;
}
.header__nav a:hover { opacity: 1; }
.header__nav a:hover::after { right: 0; }
.header__nav a.activo { opacity: 1; }
.header__nav a.activo::after { right: 0; }

.header__cta { font-size: 0.75rem; padding: 0.7em 1.5em; }

.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.header__burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--blanco);
  transition: transform .25s ease, opacity .2s ease;
}
.header__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.header__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ MENÚ MÓVIL ============ */

.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 40;
  background: var(--negro);
  color: var(--blanco);
  padding: 3rem var(--pad-x);
}
.mobile-menu nav { display: flex; flex-direction: column; gap: 0; }
.mobile-menu a {
  font-family: var(--fuente-display);
  font-size: clamp(1.6rem, 7vw, 2.2rem);
  text-transform: uppercase;
  text-decoration: none;
  padding: 1rem 0;
  border-bottom: 1px solid var(--linea-d);
}
.mobile-menu__wa {
  font-family: var(--fuente-cuerpo) !important;
  font-size: 0.9rem !important;
  font-weight: 600;
  letter-spacing: 0.14em;
  border-bottom: none !important;
  margin-top: 2rem;
  border: 1px solid var(--blanco) !important;
  text-align: center;
  padding: 1.1em !important;
  transition: background .18s ease, color .18s ease;
}

.mobile-menu:not([hidden]) a { animation: rk-in .4s ease backwards; }
.mobile-menu:not([hidden]) a:nth-child(1) { animation-delay: .04s; }
.mobile-menu:not([hidden]) a:nth-child(2) { animation-delay: .09s; }
.mobile-menu:not([hidden]) a:nth-child(3) { animation-delay: .14s; }
.mobile-menu:not([hidden]) a:nth-child(4) { animation-delay: .19s; }
.mobile-menu:not([hidden]) a:nth-child(5) { animation-delay: .24s; }
.mobile-menu:not([hidden]) a:nth-child(6) { animation-delay: .29s; }
@keyframes rk-in {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

/* ============ HERO ============ */

.hero {
  min-height: calc(100svh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--negro);
  color: var(--blanco);
  padding: clamp(3rem, 8vh, 5.5rem) var(--pad-x) 0;
  position: relative;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(1.75rem, 3.5vw, 3.25rem);
  align-items: center;
  width: 100%;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  opacity: .68;
  margin-bottom: 1.75rem;
}
.hero__kicker::before {
  content: "";
  width: 1.7rem;
  height: 2px;
  background: currentColor;
  flex-shrink: 0;
}

.hero__title {
  font-size: clamp(2.4rem, 5.4vw, 4.5rem);
  letter-spacing: -0.01em;
  max-width: 16ch;
}
.hero__title > span { display: block; }

.rotor {
  display: inline-block;
  font-size: 0.68em;
  white-space: nowrap;
  transition: opacity .32s ease, transform .32s ease;
}
.rotor--out { opacity: 0; transform: translateY(0.35em); }

.hero__sub {
  max-width: 46ch;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  opacity: .82;
  margin-top: 2.25rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.75rem;
}

.hero__proof { margin-top: 1.85rem; font-size: 0.9rem; }
.hero__proof a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--blanco);
  opacity: .72;
  text-decoration: none;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(255, 255, 255, .3);
  padding-bottom: 3px;
  transition: opacity .2s ease, gap .2s ease, border-color .2s ease;
}
.hero__proof a:hover { opacity: 1; gap: 0.8rem; border-bottom-color: var(--blanco); }
.hero__proof-arrow { transition: transform .2s ease; }
.hero__proof a:hover .hero__proof-arrow { transform: translateX(3px); }

/* Glifo R en trazo hueco: el mismo gesto del mega-wordmark del footer */
.hero__visual { width: 100%; }
.hero__glyph {
  width: min(100%, 30rem);
  height: auto;
  margin-left: auto;
  color: rgba(255, 255, 255, .34);
  transition: color .4s ease;
}
.hero__visual:hover .hero__glyph { color: rgba(255, 255, 255, .55); }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2.75rem);
  margin-top: clamp(1.5rem, 3.5vh, 2.5rem);
  padding-top: clamp(1.25rem, 2.5vh, 1.75rem);
  border-top: 1px solid var(--linea-d);
}
.hero__stat { display: flex; flex-direction: column; gap: 0.5rem; }
.hero__stat-k {
  font-family: var(--fuente-display);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  text-transform: uppercase;
}
.hero__stat-v { font-size: 0.875rem; line-height: 1.5; opacity: .68; max-width: 32ch; }

.hero__meta {
  display: flex;
  gap: 2.5rem;
  padding: 2.5rem 0 2rem;
  margin-top: auto;
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  opacity: .55;
}

@media (min-width: 761px) {
  .hero__stat { padding-right: clamp(0.5rem, 2vw, 1.5rem); }
  .hero__stat + .hero__stat {
    border-left: 1px solid var(--linea-d-suave);
    padding-left: clamp(1.25rem, 3vw, 2.75rem);
  }
}

/* ============ MARQUEE ============ */

.marquee {
  background: var(--blanco);
  color: var(--negro);
  border-top: var(--borde);
  border-bottom: var(--borde);
  overflow: hidden;
  padding: 0.9rem 0;
  white-space: nowrap;
}
.marquee__track {
  display: inline-flex;
  animation: marquee 36s linear infinite;
}
.marquee__track span {
  font-family: var(--fuente-display);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding-right: 1rem;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============ SECCIONES ============ */

.section {
  padding: clamp(3.5rem, 7vw, 5.5rem) var(--pad-x);
}
.section--light { background: var(--blanco); color: var(--negro); }
.section--dark  { background: var(--negro);  color: var(--blanco); }

.section--screen {
  padding-top: clamp(3.5rem, 7vh, 5rem);
  padding-bottom: clamp(3.5rem, 7vh, 5rem);
}

/* Costuras de pelo entre secciones del mismo tono (retícula del footer) */
.section--servicios { border-top: 1px solid var(--linea-l-suave); }
.section--faq { border-top: 1px solid var(--linea-l-suave); }
#proceso { border-top: 1px solid var(--linea-d-suave); }
.section--contacto { border-top: 1px solid var(--linea-d); }

.section__head { margin-bottom: clamp(3rem, 6vw, 5rem); max-width: 60rem; }
.section--screen .section__head { margin-bottom: clamp(1.5rem, 3vh, 2.25rem); }

.section__head--center { text-align: center; max-width: 46rem; margin-inline: auto; }
.section__head--center .section__num { justify-content: center; }

/* Etiqueta de sección: la misma voz que los h4 del footer */
.section__num {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--fuente-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  opacity: .5;
  margin-bottom: 1rem;
}
.section__num::before {
  content: "";
  width: 2rem;
  height: 2px;
  background: currentColor;
}

.section__title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1.02;
  text-wrap: balance;
}
.section__title em { font-style: normal; }

.section__lead {
  margin-top: 1.5rem;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  max-width: 52ch;
  opacity: .85;
  text-wrap: pretty;
}

@media (max-width: 600px) {
  .section__title { font-size: clamp(2rem, 8.5vw, 2.6rem); }
}

/* Mini-CTA bajo cabeceras fijas (Proceso y Preguntas) */
.head-cta {
  display: grid;
  gap: 1rem;
  justify-items: start;
  margin-top: 2rem;
  padding: 1.4rem 1.5rem;
  max-width: 26rem;
}
.head-cta p { font-size: 0.95rem; line-height: 1.55; }
.head-cta--dark { border: 1px solid var(--linea-d); }
.head-cta--dark p { opacity: .85; }
.head-cta--light { border: var(--borde); }
.head-cta--light p { opacity: .8; }

/* ============ TRABAJOS ============ */

.works {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3.5vw, 3rem);
  align-items: start;
}

.work {
  border: var(--borde);
  overflow: hidden;
  background: var(--blanco);
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, border-color .25s ease;
}
.work:hover { transform: translateY(-4px); border-color: var(--negro); }

@media (min-width: 681px) {
  .work--b { margin-top: clamp(2.5rem, 6vw, 5.5rem); }
}

.work__frame { border-bottom: var(--borde); }

.work__bar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.55rem 0.8rem;
  border-bottom: var(--borde);
}
.work__dots { display: flex; gap: 6px; flex-shrink: 0; }
.work__dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid rgba(10, 10, 10, .35);
}
.work__url {
  flex: 1;
  border: var(--borde);
  padding: 0.28rem 0.9rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.work__canvas { aspect-ratio: 16 / 10; overflow: hidden; background: #f2f2f2; }
.work__shot {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: top center;
  filter: grayscale(1);
  transition: filter .45s ease, transform .55s cubic-bezier(.2, .7, .2, 1);
}
.work:hover .work__shot,
.work:focus-within .work__shot { filter: grayscale(0); transform: scale(1.03); }
@media (hover: none) {
  .work__shot { filter: none; }
}

.work__meta {
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.work__tag {
  align-self: flex-start;
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: var(--borde);
  padding: 0.3rem 0.7rem;
  margin-bottom: 0.2rem;
}
.work__meta h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
.work__meta p { opacity: .78; font-size: 0.95rem; max-width: 36ch; }
.work__link {
  margin-top: 0.4rem;
  align-self: flex-start;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  text-decoration: none;
  border-bottom: 2px solid var(--negro);
  padding-bottom: 2px;
  transition: opacity .2s ease;
}
.work__link::after { content: "\00a0\2192"; }
.work__link:hover { opacity: .55; }

/* Banner "tu negocio, aquí": banda negra, eco del footer */
.works-next {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 1.75rem);
  margin-top: clamp(1.75rem, 3.5vw, 3rem);
  padding: clamp(1.25rem, 2.4vw, 1.8rem) clamp(1.25rem, 3vw, 2.5rem);
  background: var(--negro);
  color: var(--blanco);
  text-decoration: none;
  transition: background .22s ease, transform .22s ease;
}
.works-next:hover { background: #161616; transform: translateY(-3px); }
.works-next__plus {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--linea-d);
  font-family: var(--fuente-display);
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
  transition: background .22s ease, color .22s ease, border-color .22s ease;
}
.works-next:hover .works-next__plus {
  background: var(--blanco);
  color: var(--negro);
  border-color: var(--blanco);
}
.works-next__body { display: flex; flex-direction: column; gap: 0.15rem; margin-right: auto; }
.works-next__body strong {
  font-family: var(--fuente-display);
  font-weight: 400;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  text-transform: uppercase;
}
.works-next__body em { font-style: normal; font-size: 0.9rem; opacity: .6; }
.works-next__cta {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, .4);
  padding: 0.7em 1.6em;
  flex-shrink: 0;
  transition: border-color .22s ease;
}
.works-next:hover .works-next__cta { border-color: var(--blanco); }

@media (max-width: 620px) {
  .works-next { flex-wrap: wrap; }
  .works-next__cta { width: 100%; text-align: center; }
}

/* ============ SERVICIOS ============ */

.srv-intro {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 60rem;
  margin-bottom: clamp(2.25rem, 4vh, 3.25rem);
}
.srv-intro .section__num { margin-bottom: 1rem; }
.srv-intro .section__title { font-size: clamp(2.2rem, 4.5vw, 3.4rem); }
.srv-intro .section__lead { margin-top: 1.25rem; max-width: 46ch; }
.srv-intro__cta { margin-top: 1.75rem; }

.srv-row {
  display: grid;
  grid-template-columns: 4rem 56px minmax(14rem, 0.8fr) 1.2fr;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 1.9rem);
  padding: clamp(1.3rem, 2.4vw, 1.9rem) clamp(0.75rem, 1.8vw, 1.5rem);
  transition: background .25s ease;
}
.srv-row + .srv-row { border-top: 1px solid var(--linea-l-suave); }
.srv-row:hover { background: #F6F6F6; }

.srv-row__num {
  font-family: var(--fuente-display);
  font-size: clamp(1.5rem, 2.1vw, 2rem);
  opacity: .18;
}

.srv-row__icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  background: var(--negro);
  color: var(--blanco);
  transition: transform .25s var(--curva);
}
.srv-row__icon svg { width: 30px; height: 30px; }
.srv-row:hover .srv-row__icon { transform: translateY(-3px); }

.srv-row__body h3 { font-size: clamp(1.15rem, 1.8vw, 1.5rem); margin-bottom: 0.35rem; }
.srv-row__body p { font-size: 0.95rem; opacity: .72; max-width: 34ch; }

.srv-row__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-start;
  width: min(28rem, 100%);
  margin-left: auto;
}
.srv-row__tags li {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.32rem 0.8rem;
  border: 1px solid rgba(10, 10, 10, .25);
  transition: border-color .2s ease;
}
.srv-row:hover .srv-row__tags li { border-color: var(--negro); }

@media (max-width: 860px) {
  .srv-row { grid-template-columns: 56px minmax(0, 1fr); padding-inline: 0.4rem; }
  .srv-row__num { display: none; }
  .srv-row__tags { grid-column: 1 / -1; width: auto; margin-left: 0; }
}

/* ============ CASOS ============ */

.caso {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5.5rem);
  align-items: center;
  max-width: 80rem;
  margin: 0 auto;
  padding: clamp(2.25rem, 4.5vh, 3.75rem) 0;
}
.caso + .caso { border-top: 1px solid var(--linea-d-suave); }
.caso--flip .caso__art { order: -1; }

.section--casos .section__head { margin-bottom: clamp(0.75rem, 1.5vh, 1.5rem); }

.caso__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 0.38rem 0.85rem;
  border: 1px solid var(--linea-d);
  margin-bottom: 1.1rem;
}

.caso__text h3 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  margin-bottom: 1rem;
  line-height: 1.08;
  text-wrap: balance;
}
.caso__text > p { opacity: .74; max-width: 44ch; margin-bottom: 1.6rem; line-height: 1.6; text-wrap: pretty; }

.caso__list { display: grid; gap: 0.75rem; }
.caso__list li { position: relative; padding-left: 2.1rem; font-size: 0.95rem; opacity: .92; }
.caso__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--linea-d);
}
.caso__list li::after {
  content: "";
  position: absolute;
  left: 0.42rem;
  top: 0.34rem;
  width: 0.32rem;
  height: 0.6rem;
  border: solid var(--blanco);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Ilustraciones en escala de grises: el contenido queda, el color no */
.caso__svg {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(1);
}
.caso__svg--phone { max-width: 290px; margin: 0 auto; }

@media (max-width: 860px) {
  .caso { grid-template-columns: 1fr; gap: 2rem; padding: 2.25rem 0; }
  .caso--flip .caso__art { order: 0; }
  .caso__art { max-width: 30rem; }
}

/* ============ PROCESO ============ */

@media (min-width: 901px) {
  #proceso.section--screen {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(2rem, 5vw, 5rem);
    align-items: start;
  }
  #proceso .section__head {
    margin-bottom: 0;
    position: sticky;
    top: calc(var(--header-h) + 2.5rem);
  }
}

.steps { position: relative; max-width: 42rem; }
.steps::before {
  content: "";
  position: absolute;
  left: 34px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: var(--linea-d);
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: clamp(1.1rem, 2vw, 1.75rem);
  padding-bottom: clamp(2rem, 4.5vh, 3.25rem);
}
.step:last-child { padding-bottom: 0; }

.step__node {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  background: var(--negro);
  border: 1px solid var(--linea-d);
  color: var(--blanco);
  transition: border-color .25s ease;
}
.step__node svg { width: 32px; height: 32px; }
.step:hover .step__node { border-color: var(--blanco); }

.step__num {
  display: inline-block;
  font-family: var(--fuente-display);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: .5;
  margin: 0.4rem 0 0.55rem;
}
.step__body h3 { font-size: clamp(1.1rem, 1.7vw, 1.4rem); margin-bottom: 0.6rem; }
.step__body p { font-size: 0.95rem; opacity: .75; max-width: 46ch; }

/* ============ NOSOTROS ============ */

.section--nosotros { position: relative; overflow: hidden; }

.section--nosotros.section--screen {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.section--nosotros .section__head { margin-bottom: 0; }
@media (min-width: 901px) {
  .section--nosotros .section__head {
    position: sticky;
    top: calc(var(--header-h) + 2.5rem);
  }
}
@media (max-width: 900px) {
  .section--nosotros.section--screen { display: block; }
  .section--nosotros .section__head { margin-bottom: 2.25rem; }
}

.nosotros__glyph {
  position: absolute;
  left: -6%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(16rem, 30vw, 26rem);
  opacity: .06;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent 92%);
  mask-image: linear-gradient(180deg, #000 30%, transparent 92%);
}

.nosotros__manifesto {
  font-family: var(--fuente-display);
  font-size: clamp(1.5rem, 2.9vw, 2.35rem);
  line-height: 1.28;
  text-transform: uppercase;
  max-width: 24ch;
  margin-bottom: clamp(2rem, 4vh, 3rem);
  text-wrap: balance;
}
.nosotros__manifesto em { font-style: normal; }

.nosotros__grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.75rem, 3.5vw, 2.75rem) clamp(1.75rem, 3.5vw, 3rem);
}

.nosotros__item {
  border-top: 1px solid var(--linea-l);
  padding-top: 1.3rem;
}
.nosotros__icon {
  width: 52px;
  height: 52px;
  padding: 11px;
  background: var(--negro);
  border: 1px solid var(--negro);
  color: var(--blanco);
  margin-bottom: 1.1rem;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.nosotros__item:hover .nosotros__icon {
  background: transparent;
  color: var(--negro);
  transform: translateY(-3px);
}
.nosotros__item h3 { font-size: clamp(1.05rem, 1.7vw, 1.3rem); margin-bottom: 0.9rem; }
.nosotros__item p { opacity: .8; max-width: 42ch; font-size: 0.95rem; }

@media (max-width: 720px) {
  .nosotros__grid { grid-template-columns: 1fr; }
  .nosotros__glyph { width: 26rem; left: -30%; opacity: .05; }
}

/* ============ PREGUNTAS (FAQ) ============ */

@media (min-width: 901px) {
  .section--faq.section--screen {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 5vw, 5rem);
    align-items: start;
  }
  .section--faq .section__head {
    margin-bottom: 0;
    position: sticky;
    top: calc(var(--header-h) + 2.5rem);
  }
}

.faq { display: grid; gap: 0.9rem; }

.faq__item {
  border: var(--borde);
  background: var(--blanco);
  overflow: hidden;
  transition: border-color .22s ease;
}
.faq__item:hover { border-color: var(--negro); }
.faq__item[open] { border-color: var(--negro); }

.faq__q {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 1.2rem 1.4rem;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: clamp(0.98rem, 1.3vw, 1.08rem);
  line-height: 1.35;
}
.faq__q::-webkit-details-marker { display: none; }

.faq__num {
  font-family: var(--fuente-display);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  opacity: .45;
  width: 1.6rem;
  flex-shrink: 0;
}
.faq__txt { margin-right: auto; }

.faq__icon {
  position: relative;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  transition: transform .3s var(--curva);
}
.faq__icon::before, .faq__icon::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  translate: -50% -50%;
  background: var(--negro);
}
.faq__icon::before { width: 14px; height: 2px; }
.faq__icon::after { width: 2px; height: 14px; }
.faq__item[open] .faq__icon { transform: rotate(45deg); }

.faq__a {
  padding: 0 3.5rem 1.35rem 4.1rem;
  opacity: .78;
  max-width: 64ch;
  line-height: 1.6;
  text-wrap: pretty;
}
.faq__item[open] .faq__a { animation: faq-in .35s var(--curva); }
@keyframes faq-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: .78; transform: none; }
}

@media (max-width: 600px) {
  .faq__q { padding: 1.05rem 1.15rem; gap: 0.85rem; }
  .faq__a { padding: 0 1.15rem 1.2rem 1.15rem; }
}

/* ============ BANDA CTA ============ */

.cta-band {
  background: var(--negro);
  color: var(--blanco);
  padding: clamp(4rem, 9vw, 6.5rem) var(--pad-x);
  text-align: center;
}
.cta-band__inner { max-width: 48rem; margin: 0 auto; }
.cta-band__title {
  font-size: clamp(2.1rem, 5.5vw, 3.8rem);
  line-height: 1.03;
  margin-bottom: 1.1rem;
  text-wrap: balance;
}
.cta-band__title em { font-style: normal; }
.cta-band p {
  opacity: .8;
  margin: 0 auto 2.2rem;
  max-width: 40ch;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
}
.cta-band__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.cta-band__actions .btn { width: auto; font-size: 0.9rem; padding: 1.05em 2.3em; }
.cta-band__ghost { border-color: rgba(255, 255, 255, .55); color: var(--blanco); }
.cta-band__ghost:hover { background: var(--blanco); color: var(--negro); border-color: var(--blanco); }

/* ============ CONTACTO ============ */

.contacto {
  display: grid;
  grid-template-columns: minmax(0, 22rem) minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}

.contacto__aside { display: flex; flex-direction: column; }
.contacto__methods { order: 1; display: grid; gap: 0.9rem; margin-bottom: 1.75rem; }
.contacto__aside .chat-mock { order: 2; margin-bottom: 0; }

.method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--linea-d);
  text-decoration: none;
  color: var(--blanco);
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.method:hover {
  transform: translateX(4px);
  border-color: rgba(255, 255, 255, .5);
  background: rgba(255, 255, 255, .04);
}
.method__icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--linea-d);
  color: var(--blanco);
  flex-shrink: 0;
}
.method__icon svg { width: 24px; height: 24px; }
.method__body { display: flex; flex-direction: column; gap: 0.15rem; margin-right: auto; }
.method__body strong { font-size: 0.98rem; }
.method__body em { font-style: normal; font-size: 0.78rem; opacity: .6; }
.method__arrow { opacity: .45; transition: transform .2s ease, opacity .2s ease; font-size: 1.1rem; }
.method:hover .method__arrow { transform: translateX(4px); opacity: 1; }

.chat-mock { width: 100%; }
.chat-mock svg { width: 100%; height: auto; display: block; filter: grayscale(1); }
.section--contacto .chat-mock { max-width: 250px; }

/* --- panel / formulario --- */

.panel { overflow: hidden; }

.panel__bar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 1.25rem;
  border-bottom: 1px solid rgba(10, 10, 10, .1);
  font-size: 0.9rem;
  font-weight: 700;
}
.panel__bar::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--negro);
  flex-shrink: 0;
}

.panel__body { padding: clamp(1.25rem, 2.5vw, 1.75rem); }

.form { display: block; padding: 0; }
.form.panel { background: var(--blanco); color: var(--negro); }

.form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem 1.25rem;
}

.form__field { display: grid; gap: 0.5rem; }
.form__field--full { grid-column: 1 / -1; }

.form__field label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: .8;
}

.form__field input,
.form__field textarea {
  font-family: var(--fuente-cuerpo);
  font-size: 1rem;
  color: var(--negro);
  background: var(--blanco);
  border: var(--borde);
  padding: 0.85rem 1rem;
  border-radius: 0;
  resize: vertical;
  transition: border-color .15s ease;
}
.form__field input:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--negro);
}

.form__submit { justify-self: start; align-self: center; width: 100%; }

.form__status {
  font-size: 0.9rem;
  min-height: 1.4em;
  opacity: .85;
  margin: 0;
}

/* ============ FOOTER (la referencia: no tocar a la ligera) ============ */

.footer {
  background: var(--negro);
  color: var(--blanco);
  border-top: 1px solid var(--linea-d);
  padding: clamp(2.25rem, 4vw, 3.5rem) var(--pad-x) 0;
}

.footer__mega {
  font-family: var(--fuente-display);
  font-size: clamp(3.2rem, 12.5vw, 10.5rem);
  line-height: 0.95;
  letter-spacing: 0.06em;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, .3);
  user-select: none;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  transition: -webkit-text-stroke-color .4s ease;
  cursor: default;
}
.footer__mega:hover { -webkit-text-stroke-color: rgba(255, 255, 255, .6); }

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  border-top: 1px solid var(--linea-d);
  padding: clamp(2.25rem, 4vw, 3.5rem) 0;
}

.footer__col { display: flex; flex-direction: column; gap: 0.7rem; align-items: flex-start; }

.footer__col h4 {
  font-family: var(--fuente-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  opacity: .5;
  margin-bottom: 0.5rem;
}

.footer__col a {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  opacity: .78;
  position: relative;
  padding-bottom: 2px;
  transition: opacity .15s ease, transform .2s ease;
}
.footer__col a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transition: right .2s ease;
}
.footer__col a:hover { opacity: 1; transform: translateX(4px); }
.footer__col a:hover::after { right: 0; }

.footer__glyph { width: 48px; height: 48px; color: var(--blanco); margin-bottom: 0.75rem; }
.footer__brand p { font-size: 0.95rem; opacity: .7; max-width: 26ch; }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--linea-d);
  padding: 1.4rem 0;
  font-size: 0.8125rem;
  opacity: .55;
}

/* ============ ANIMACIONES DE ENTRADA ============ */

.reveal-load {
  opacity: 0;
  transform: translateY(18px);
  animation: subir .7s var(--curva) forwards;
  animation-delay: var(--d, 0s);
}
@keyframes subir {
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .65s ease, transform .65s var(--curva);
  transition-delay: var(--rd, 0s);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Casos: texto entra por un lado, arte por el otro */
.caso.reveal { opacity: 1; transform: none; }
.caso .caso__text { opacity: 0; transform: translateX(-32px); transition: opacity .75s ease, transform .75s var(--curva); }
.caso .caso__art  { opacity: 0; transform: translateX(32px);  transition: opacity .75s ease .12s, transform .75s var(--curva) .12s; }
.caso--flip .caso__text { transform: translateX(32px); }
.caso--flip .caso__art  { transform: translateX(-32px); }
.caso.visible .caso__text, .caso.visible .caso__art { opacity: 1; transform: none; }

/* Chat: los mensajes llegan en secuencia, como conversación real */
.contacto__aside .msg { opacity: 0; transform: translateY(14px); transform-box: fill-box; transition: opacity .45s ease, transform .45s var(--curva); }
.contacto__aside.visible .msg:nth-of-type(1) { transition-delay: .15s; }
.contacto__aside.visible .msg:nth-of-type(2) { transition-delay: .55s; }
.contacto__aside.visible .msg:nth-of-type(3) { transition-delay: .95s; }
.contacto__aside.visible .msg:nth-of-type(4) { transition-delay: 1.35s; }
.contacto__aside.visible .msg:nth-of-type(5) { transition-delay: 1.75s; }
.contacto__aside.visible .msg { opacity: 1; transform: none; }

/* Panel de pedidos: las órdenes entran una a una */
.caso__svg .pedido { opacity: 0; transform: translateY(18px); transform-box: fill-box; transition: opacity .5s ease, transform .5s var(--curva); }
.caso.visible .pedido:nth-of-type(1) { transition-delay: .25s; }
.caso.visible .pedido:nth-of-type(2) { transition-delay: .45s; }
.caso.visible .pedido:nth-of-type(3) { transition-delay: .65s; }
.caso.visible .pedido { opacity: 1; transform: none; }

/* Agenda: las citas hacen pop */
.caso__svg .cita { opacity: 0; transform: scale(.55); transform-box: fill-box; transform-origin: center; transition: opacity .4s ease, transform .5s cubic-bezier(.34, 1.56, .64, 1); }
.caso.visible .cita:nth-of-type(1) { transition-delay: .3s; }
.caso.visible .cita:nth-of-type(2) { transition-delay: .45s; }
.caso.visible .cita:nth-of-type(3) { transition-delay: .6s; }
.caso.visible .cita:nth-of-type(4) { transition-delay: .75s; }
.caso.visible .cita:nth-of-type(5) { transition-delay: .9s; }
.caso.visible .cita { opacity: 1; transform: scale(1); }

/* ============ ACCESIBILIDAD ============ */

.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: fixed;
  top: 0.75rem; left: 0.75rem;
  z-index: 300;
  background: var(--negro);
  color: var(--blanco);
  border: 1px solid var(--blanco);
  padding: 0.7em 1.3em;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(calc(-100% - 1.5rem));
  transition: transform .2s ease;
}
.skip-link:focus { transform: none; }

.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: var(--blanco);
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: 100;
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-load { animation: none; opacity: 1; transform: none; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .marquee__track { animation: none; }
  .caso .caso__text, .caso .caso__art,
  .contacto__aside .msg, .caso__svg .pedido, .caso__svg .cita {
    opacity: 1; transform: none; transition: none;
  }
  .skip-link, .faq__icon, .srv-row, .srv-row__icon, .step__node,
  .works-next, .nosotros__icon, .work, .work__shot, .method, .btn { transition: none; }
  .faq__item[open] .faq__a { animation: none; }
  .mobile-menu:not([hidden]) a { animation: none; }
}

/* ============ RESPONSIVE GENERAL ============ */

@media (max-width: 960px) {
  .hero { min-height: auto; padding-top: clamp(2.5rem, 8vh, 4rem); padding-bottom: 3rem; }
  .hero__grid { grid-template-columns: 1fr; gap: 2.75rem; }
  .hero__visual { display: none; }

  /* Apilado: el formulario (el objetivo) primero; el chat decorativo
     queda solo en escritorio para no enterrar el form */
  .contacto { display: flex; flex-direction: column; }
  .contacto > .form.panel { order: -1; }
  .section--contacto .chat-mock { display: none; }
}
@media (min-width: 561px) and (max-width: 960px) {
  .contacto__methods { display: grid; grid-template-columns: 1fr 1fr; }
}

/* El menú hamburguesa entra antes (≤900) para que el nav completo + CTA
   no se salgan de pantalla en tablet */
@media (max-width: 900px) {
  .header__nav, .header__cta { display: none; }
  .header__burger { display: flex; }
}

@media (max-width: 760px) {
  .hero__stats { grid-template-columns: 1fr; gap: 1.4rem; }
  .hero__stat { flex-direction: row; align-items: baseline; gap: 1rem; }
  .hero__stat-k { min-width: 6.5rem; }
  .hero__stat-v { max-width: none; }
}

@media (max-width: 720px) {
  .form__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; gap: 0.4rem; }
}

@media (max-width: 680px) {
  .works { grid-template-columns: 1fr; }
}