/* SG Residencial — estilos. Mobile first: 640 / 960 / 1240 */

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

:root { interpolate-size: allow-keywords; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.icon { width: 1.25em; height: 1.25em; flex-shrink: 0; }

.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-ink);
  color: var(--color-cream);
  border-radius: var(--radius-pill);
  transform: translateY(-200%);
  transition: transform var(--dur-fast) var(--ease-out);
}
.skip-link:focus { transform: none; }

/* ───────── Intro de marca ───────── */
/* El fondo coincide con el del video de cada modo para que el letterbox no se note */
.intro { --intro-bg: #e8dccb; --intro-skip: rgba(59, 43, 33, 0.6); --intro-skip-hover: #3b2b21; position: fixed; inset: 0; z-index: 100; display: none; background: var(--intro-bg); }
@media (prefers-color-scheme: dark) { .intro { --intro-bg: #2b2019; --intro-skip: var(--color-muted-light); --intro-skip-hover: var(--color-cream); } }
.show-intro .intro { display: block; }
.intro__video { width: 100%; height: 100%; object-fit: contain; background: var(--intro-bg); }
@media (min-aspect-ratio: 16 / 9) { .intro__video { object-fit: cover; } }
.intro__skip {
  position: absolute;
  right: var(--gutter);
  bottom: calc(var(--space-6) + env(safe-area-inset-bottom));
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--intro-skip);
  background: none;
  border: 0;
  opacity: 0;
  animation: intro-skip-in 400ms var(--ease-out) 800ms forwards;
  transition: color var(--dur-base);
}
.intro__skip:hover { color: var(--intro-skip-hover); }
@keyframes intro-skip-in { to { opacity: 1; } }

/* Salida: la intro sigue empujando hacia adelante (escala creciente) y el hero entra creciendo, mismo sentido en Z */
.intro-leaving .intro { pointer-events: none; animation: intro-out 600ms cubic-bezier(0.7, 0, 0.84, 0) forwards; }
@keyframes intro-out { to { transform: scale(1.35); opacity: 0; } }
.show-intro .hero__media { animation: none; transform: scale(0.86); }
.intro-leaving .hero__media { animation: hero-push 1.6s var(--ease-out) both; }
@keyframes hero-push { from { transform: scale(0.86); } to { transform: scale(1); } }

/* ───────── Tipografía y piezas comunes ───────── */
.eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-bronze);
}
.eyebrow--light { color: var(--color-bronze-light); }

.section { padding-block: var(--section-y); }

.section-head { display: grid; gap: var(--space-4); max-width: 44rem; margin-bottom: clamp(2.5rem, 2rem + 3vw, 4.5rem); }
.section-head--center { margin-inline: auto; text-align: center; justify-items: center; }
.section-head--light .section-title { color: var(--color-cream); }
.section-head--light .section-lead { color: var(--color-muted-light); }
.section-head--light .eyebrow { color: var(--color-bronze-light); }

.section-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-3xl);
  line-height: var(--leading-tight);
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.section-lead { font-size: var(--text-lg); color: var(--color-muted); max-width: 38rem; text-wrap: pretty; }

.note { font-size: var(--text-sm); color: var(--color-muted); }
.note--center { text-align: center; margin-top: var(--space-4); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.3rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-bronze);
  background: var(--color-bronze-soft);
  border-radius: var(--radius-pill);
}

.check-list { display: grid; gap: var(--space-3); margin-top: var(--space-5); }
.check-list li { display: flex; gap: var(--space-3); align-items: flex-start; }
.check-list .icon { color: var(--color-bronze); margin-top: 0.2em; }

/* ───────── Botones ───────── */
.btn {
  --btn-bg: var(--color-ink);
  --btn-fg: var(--color-cream);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 3.25rem;
  padding: 0.85rem 1.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: background-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.98); }
.btn .icon { width: 1.15rem; height: 1.15rem; }
.btn--pill { border-radius: var(--radius-pill); }
.btn--sm { min-height: 2.6rem; padding: 0.55rem 1.2rem; }
.btn--block { width: 100%; }

.btn--dark:hover { --btn-bg: var(--color-bronze); box-shadow: var(--shadow-lift); }
.btn--cream { --btn-bg: var(--color-cream); --btn-fg: var(--color-ink); }
.btn--cream:hover { --btn-bg: #fff; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25); }
.btn--ghost-light { --btn-bg: rgba(245, 240, 230, 0.06); --btn-fg: var(--color-cream); border-color: rgba(245, 240, 230, 0.45); backdrop-filter: blur(6px); }
.btn--ghost-light:hover { --btn-bg: var(--color-cream); --btn-fg: var(--color-ink); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink);
}
.link-arrow .icon { transition: transform var(--dur-base) var(--ease-out); }
.link-arrow:hover { color: var(--color-bronze); }
.link-arrow:hover .icon { transform: translateX(4px); }

.icon-btn {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  color: var(--color-ink);
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  transition: background-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out), opacity var(--dur-base);
}
.icon-btn:hover:not(:disabled) { background: var(--color-ink); color: var(--color-cream); }
.icon-btn:disabled { opacity: 0.35; cursor: default; }

/* ───────── Aparición al hacer scroll ───────── */
.js [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 28px, 0);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  transition-delay: calc(var(--d, 0) * var(--stagger));
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

.reveal-image { position: relative; overflow: hidden; }
.js .reveal-image[data-reveal] { opacity: 1; transform: none; }
.reveal-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-cream-deep);
  transform-origin: right;
  transition: transform 1.2s var(--ease-in-out);
}
.reveal-image img { transform: scale(1.15); transition: transform 1.8s var(--ease-out); }
.js .reveal-image.is-visible::after { transform: scaleX(0); }
.js .reveal-image.is-visible img { transform: scale(1); }
html:not(.js) .reveal-image::after { display: none; }

/* ───────── Encabezado ───────── */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  color: var(--color-ink);
  background: rgba(251, 248, 242, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-line);
  transition: background-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out), border-color var(--dur-base);
}
.site-header.is-over-hero:not(.menu-open) { color: var(--color-cream); background: transparent; border-color: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
.site-header.is-over-hero.is-scrolled:not(.menu-open) { background: rgba(27, 29, 33, 0.45); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }

.site-header__inner { display: flex; align-items: center; gap: var(--space-5); height: var(--header-h); }

.brand { position: relative; display: block; width: 138px; margin-right: auto; }
.brand__logo { width: 100%; height: auto; transition: opacity var(--dur-base) var(--ease-out); }
.brand__logo--dark { position: absolute; inset: 0; }
.site-header .brand__logo--light { opacity: 0; }
.site-header.is-over-hero:not(.menu-open) .brand__logo--light { opacity: 1; }
.site-header.is-over-hero:not(.menu-open) .brand__logo--dark { opacity: 0; }

.site-nav { display: none; }
.site-header__cta { display: none; }
.site-header .site-header__cta { --btn-bg: var(--color-ink); --btn-fg: var(--color-cream); }
.site-header.is-over-hero .site-header__cta { --btn-bg: var(--color-cream); --btn-fg: var(--color-ink); }

.menu-toggle {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-right: calc(var(--space-2) * -1);
  color: inherit;
  background: none;
  border: 0;
}
.menu-toggle .icon { position: absolute; width: 1.6rem; height: 1.6rem; transition: opacity var(--dur-base), transform var(--dur-base) var(--ease-out); }
.menu-toggle .icon--close { opacity: 0; transform: rotate(-45deg); }
.menu-toggle[aria-expanded='true'] .icon--open { opacity: 0; transform: rotate(45deg); }
.menu-toggle[aria-expanded='true'] .icon--close { opacity: 1; transform: none; }

.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-6) var(--gutter) calc(var(--space-6) + env(safe-area-inset-bottom));
  background: var(--color-paper);
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
  overflow-y: auto;
}
.mobile-menu.is-open { opacity: 1; transform: none; }
.mobile-menu__list { display: grid; }
.mobile-menu__link {
  display: block;
  padding-block: var(--space-4);
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 300;
  border-bottom: 1px solid var(--color-line);
}
.mobile-menu.is-open .mobile-menu__list li { animation: menu-in 600ms var(--ease-out) both; }
.mobile-menu__list li:nth-child(2) { animation-delay: 50ms; }
.mobile-menu__list li:nth-child(3) { animation-delay: 100ms; }
.mobile-menu__list li:nth-child(4) { animation-delay: 150ms; }
.mobile-menu__list li:nth-child(5) { animation-delay: 200ms; }
.mobile-menu__list li:nth-child(6) { animation-delay: 250ms; }
@keyframes menu-in { from { opacity: 0; transform: translateY(14px); } }

/* ───────── Hero ───────── */
.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 100vh;
  min-height: 100svh;
  padding-block: calc(var(--header-h) + var(--space-7)) var(--space-8);
  color: var(--color-cream);
  background: var(--color-ink-deep);
  overflow: hidden;
  isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: -2; animation: hero-zoom 14s var(--ease-out) both; }
.hero__img { width: 100%; height: 115%; object-fit: cover; object-position: 62% center; will-change: transform; }
@keyframes hero-zoom { from { transform: scale(1.12); } to { transform: scale(1); } }

.hero__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(27, 29, 33, 0.55) 0%, rgba(27, 29, 33, 0) 28%),
    linear-gradient(0deg, rgba(27, 29, 33, 0.88) 0%, rgba(27, 29, 33, 0.35) 55%, rgba(27, 29, 33, 0.1) 100%);
}

.hero__content { display: grid; gap: var(--space-5); }
.hero__title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-hero);
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 13ch;
}
.hero__title .word { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.hero__title .word > span { display: inline-block; }
.js .hero__title .word > span { transform: translateY(110%); transition: transform 1.2s var(--ease-out); transition-delay: calc(var(--i) * 70ms + 250ms); }
.js .hero.is-ready .hero__title .word > span { transform: none; }
.hero__lead { max-width: 34rem; font-size: var(--text-lg); color: rgba(245, 240, 230, 0.86); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-2); }
.hero__actions .btn { flex: 1 1 15rem; }

.hero__scroll {
  display: none;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: rgba(245, 240, 230, 0.75);
}
.hero__scroll-line { position: relative; width: 1px; height: 2.5rem; background: rgba(245, 240, 230, 0.25); overflow: hidden; }
.hero__scroll-line::after { content: ''; position: absolute; inset: 0; background: var(--color-cream); animation: scroll-line 2.2s var(--ease-in-out) infinite; }
@keyframes scroll-line { 0% { transform: translateY(-100%); } 60%, 100% { transform: translateY(100%); } }

/* ───────── Compromisos ───────── */
.commitments { background: var(--color-paper); border-bottom: 1px solid var(--color-line); }
.commitments__list { display: grid; gap: var(--space-2); padding-block: var(--space-7); }
.commitment { display: grid; grid-template-columns: auto 1fr; column-gap: var(--space-4); row-gap: var(--space-1); padding: var(--space-4) 0; }
.commitment__icon {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  color: var(--color-bronze);
  background: var(--color-bronze-soft);
  border-radius: 50%;
}
.commitment__title { font-family: var(--font-serif); font-size: var(--text-xl); font-weight: 400; line-height: var(--leading-snug); }
.commitment__text { font-size: var(--text-sm); color: var(--color-muted); }

/* ───────── Servicios ───────── */
.services__grid { display: grid; gap: var(--space-4); }
.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base);
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--color-bronze);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-out);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-card__index { position: absolute; top: var(--space-5); right: var(--space-6); font-family: var(--font-serif); font-size: var(--text-xl); color: var(--color-cream-deep); }
.service-card__icon { display: grid; place-items: center; width: 3.25rem; height: 3.25rem; color: var(--color-cream); background: var(--color-ink); border-radius: 50%; transition: background-color var(--dur-base); }
.service-card:hover .service-card__icon { background: var(--color-bronze); }
.service-card__title { margin-top: var(--space-2); font-family: var(--font-serif); font-size: var(--text-2xl); font-weight: 400; line-height: var(--leading-snug); }
.service-card__text { color: var(--color-muted); }
.service-card__points { display: grid; gap: var(--space-2); margin-block: var(--space-2) var(--space-4); font-size: var(--text-sm); }
.service-card__points li { display: flex; gap: var(--space-2); align-items: center; }
.service-card__points .icon { width: 1rem; height: 1rem; color: var(--color-bronze); }
.service-card .link-arrow { margin-top: auto; }

/* ───────── Enfoque ───────── */
.approach { background: var(--color-cream); }
.approach__grid { display: grid; gap: var(--space-7); align-items: center; }
.approach__media { aspect-ratio: 4 / 5; border-radius: var(--radius-md); }
.approach__media img { width: 100%; height: 100%; object-fit: cover; }
.approach__body .section-head { margin-bottom: var(--space-5); }
.approach__text { color: var(--color-muted); margin-bottom: var(--space-4); max-width: 36rem; }

/* ───────── Portafolio ───────── */
.portfolio { background: var(--color-paper); overflow: hidden; }
.portfolio__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--space-5); margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem); }
.portfolio__head .section-head { margin-bottom: 0; }
.carousel__arrows { display: none; gap: var(--space-3); }

.carousel__track {
  /* Alinea la primera diapositiva con el contenedor aunque el carrusel ocupe todo el ancho */
  --track-inset: max(var(--gutter), calc((100% - var(--container)) / 2));
  display: flex;
  gap: var(--space-4);
  padding-inline: var(--track-inset);
  scroll-padding-inline: var(--track-inset);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.carousel__track::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 88%; scroll-snap-align: start; }
.slide__figure { position: relative; aspect-ratio: 4 / 5; border-radius: var(--radius-md); overflow: hidden; background: var(--color-cream-deep); }
.slide__img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 1.6s var(--ease-out); }
.slide.is-active .slide__img { transform: scale(1); }
.slide__caption {
  position: absolute;
  inset: auto 0 0;
  display: grid;
  gap: var(--space-2);
  justify-items: start;
  padding: var(--space-8) var(--space-5) var(--space-5);
  color: var(--color-cream);
  background: linear-gradient(0deg, rgba(27, 29, 33, 0.92) 0%, rgba(27, 29, 33, 0.55) 55%, transparent 100%);
}
.slide__meta { font-size: var(--text-xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-bronze-light); }
.slide__title { font-family: var(--font-serif); font-size: var(--text-2xl); font-weight: 300; line-height: var(--leading-snug); }
.slide__text { max-width: 30rem; font-size: var(--text-sm); color: rgba(245, 240, 230, 0.85); }
.slide__caption .btn { margin-top: var(--space-3); }

.portfolio__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-5); }
.carousel__dots { display: flex; gap: var(--space-2); }
.carousel__dot { width: 2rem; height: 1.5rem; padding: 0; background: none; border: 0; position: relative; }
.carousel__dot::after { content: ''; position: absolute; left: 0; right: 0; top: 50%; height: 2px; background: var(--color-line); transition: background-color var(--dur-base); }
.carousel__dot[aria-current='true']::after { background: var(--color-bronze); }

/* ───────── Antes y después ───────── */
.transformation { background: var(--color-cream); }
.ba {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-cream-deep);
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;
  box-shadow: var(--shadow-soft);
}
.ba__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ba__before { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.ba__label {
  position: absolute;
  top: var(--space-4);
  padding: 0.35rem 0.85rem;
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-cream);
  background: rgba(27, 29, 33, 0.6);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(6px);
  pointer-events: none;
}
.ba__label--before { left: var(--space-4); }
.ba__label--after { right: var(--space-4); }
.ba__handle { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; background: var(--color-cream); transform: translateX(-50%); pointer-events: none; }
.ba__knob {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  color: var(--color-ink);
  background: var(--color-cream);
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transform: translate(-50%, -50%);
  transition: transform var(--dur-fast) var(--ease-out);
}
.ba:active .ba__knob { transform: translate(-50%, -50%) scale(0.92); }
.ba:has(.ba__range:focus-visible) .ba__knob { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.ba__range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  -webkit-appearance: none;
  appearance: none;
}
.ba__range::-webkit-slider-thumb { -webkit-appearance: none; width: 3.25rem; height: 100vh; }
.ba__range::-moz-range-thumb { width: 3.25rem; height: 100vh; border: 0; }

/* ───────── Seguimiento de obra ───────── */
.progress__grid { display: grid; gap: var(--space-7); align-items: center; }
.progress__body .section-head { margin-bottom: var(--space-6); }
.report { padding: var(--space-5); background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-lg); box-shadow: var(--shadow-lift); }
.report__head { display: grid; gap: var(--space-3); margin-bottom: var(--space-4); }
.report__title-row { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-2); }
.report__title { font-family: var(--font-serif); font-size: var(--text-xl); font-weight: 400; }
.report__week { font-size: var(--text-sm); color: var(--color-muted); }
.report__media { aspect-ratio: 16 / 10; border-radius: var(--radius-sm); overflow: hidden; margin-bottom: var(--space-4); }
.report__media img { width: 100%; height: 100%; object-fit: cover; }
.report__total { display: flex; align-items: baseline; justify-content: space-between; padding-block: var(--space-3); border-bottom: 1px solid var(--color-line); margin-bottom: var(--space-3); font-size: var(--text-sm); color: var(--color-muted); }
.report__total strong { font-family: var(--font-serif); font-size: var(--text-3xl); font-weight: 300; color: var(--color-ink); line-height: 1; }
.report__phases { display: grid; gap: var(--space-3); }
.phase__row { display: flex; justify-content: space-between; font-size: var(--text-sm); margin-bottom: 0.35rem; }
.phase__value { font-variant-numeric: tabular-nums; color: var(--color-muted); }
.phase__bar { height: 6px; background: var(--color-cream-deep); border-radius: var(--radius-pill); overflow: hidden; }
.phase__fill { display: block; height: 100%; width: var(--value, 0%); background: linear-gradient(90deg, var(--color-bronze), var(--color-bronze-light)); border-radius: inherit; transition: width 1.6s var(--ease-out); }

/* ───────── Proceso ───────── */
.process { background: var(--color-ink); color: var(--color-cream); }
.process__grid { display: grid; gap: var(--space-5); }
.steps { position: relative; display: grid; gap: var(--space-6); }
.steps__line { position: absolute; top: 1.4rem; bottom: 1.4rem; left: 1.4rem; width: 1px; background: var(--color-line-light); }
.steps__line-fill { position: absolute; inset: 0; background: var(--color-bronze-light); transform: scaleY(var(--progress, 0)); transform-origin: top; }
.step { position: relative; display: grid; grid-template-columns: 2.8rem 1fr; gap: var(--space-5); }
.step__num {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-bronze-light);
  background: var(--color-ink);
  border: 1px solid var(--color-line-light);
  border-radius: 50%;
  transition: background-color var(--dur-slow) var(--ease-out), color var(--dur-slow), border-color var(--dur-slow);
}
.step.is-visible .step__num { border-color: var(--color-bronze-light); }
.step__title { font-family: var(--font-serif); font-size: var(--text-xl); font-weight: 400; padding-top: 0.45rem; margin-bottom: var(--space-2); }
.step__text { color: var(--color-muted-light); max-width: 34rem; }

/* ───────── Cotizador ───────── */
.quote { background: var(--color-paper); }
.quote__grid { display: grid; gap: var(--space-5); align-items: start; }
.quote__form { display: grid; gap: var(--space-6); padding: var(--space-5); background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-lg); }
.field-group { margin: 0; padding: 0; border: 0; min-width: 0; }
.field-label { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); padding: 0; font-family: var(--font-serif); font-size: var(--text-xl); font-weight: 400; }
.field-step { font-family: var(--font-sans); font-size: var(--text-xs); letter-spacing: 0.12em; color: var(--color-bronze); }

.chips { display: grid; gap: var(--space-2); }
.chips--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.chip { position: relative; display: block; cursor: pointer; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip__body {
  display: grid;
  gap: 0.15rem;
  height: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  transition: background-color var(--dur-base) var(--ease-out), color var(--dur-base), border-color var(--dur-base), transform var(--dur-fast);
}
.chip:hover .chip__body { border-color: var(--color-bronze); }
.chip input:checked + .chip__body { color: var(--color-cream); background: var(--color-ink); border-color: var(--color-ink); }
.chip input:focus-visible + .chip__body { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.chip:active .chip__body { transform: scale(0.98); }
.chip__label { font-weight: 500; font-size: var(--text-sm); }
.chip__desc { font-size: var(--text-xs); color: var(--color-muted); }
.chip input:checked + .chip__body .chip__desc { color: var(--color-muted-light); }

.area-control { display: grid; grid-template-columns: 1fr auto; gap: var(--space-4); align-items: center; }
.range { width: 100%; height: 2rem; margin: 0; background: transparent; -webkit-appearance: none; appearance: none; }
.range::-webkit-slider-runnable-track { height: 4px; background: var(--color-cream-deep); border-radius: var(--radius-pill); }
.range::-moz-range-track { height: 4px; background: var(--color-cream-deep); border-radius: var(--radius-pill); }
.range::-moz-range-progress { height: 4px; background: var(--color-bronze); border-radius: var(--radius-pill); }
.range::-webkit-slider-thumb { -webkit-appearance: none; width: 1.6rem; height: 1.6rem; margin-top: -0.7rem; background: var(--color-ink); border: 4px solid var(--color-cream); border-radius: 50%; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25); transition: transform var(--dur-fast); }
.range::-moz-range-thumb { width: 1.2rem; height: 1.2rem; background: var(--color-ink); border: 4px solid var(--color-cream); border-radius: 50%; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25); }
.range:active::-webkit-slider-thumb { transform: scale(1.15); }
.area-input { display: flex; align-items: center; gap: var(--space-2); padding: 0.4rem 0.8rem; border: 1px solid var(--color-line); border-radius: var(--radius-sm); }
.area-input input { width: 4.2rem; padding: 0.2rem 0; font-size: var(--text-lg); font-weight: 500; text-align: right; background: none; border: 0; -moz-appearance: textfield; }
.area-input input::-webkit-inner-spin-button, .area-input input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.area-input input:focus { outline: none; }
.area-input:focus-within { border-color: var(--color-bronze); }
.area-input span { font-size: var(--text-sm); color: var(--color-muted); }

.select { position: relative; }
.select::after { content: ''; position: absolute; right: 1rem; top: 50%; width: 0.5rem; height: 0.5rem; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-70%) rotate(45deg); pointer-events: none; }
.select select, .field input, .field textarea {
  width: 100%;
  min-height: 3.1rem;
  padding: 0.75rem 1rem;
  font-size: var(--text-base);
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
  -webkit-appearance: none;
  appearance: none;
}
.select select { padding-right: 2.5rem; }
.select select:focus, .field input:focus, .field textarea:focus { outline: none; border-color: var(--color-bronze); box-shadow: 0 0 0 3px var(--color-bronze-soft); }

.quote__result {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-5);
  color: var(--color-cream);
  background: var(--color-ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
}
.quote__range { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 var(--space-3); font-family: var(--font-serif); font-size: clamp(2rem, 1.4rem + 2.6vw, 3rem); font-weight: 300; line-height: 1.1; font-variant-numeric: tabular-nums; }
.quote__to { font-size: var(--text-lg); color: var(--color-muted-light); }
.quote__per-m2 { font-size: var(--text-sm); color: var(--color-muted-light); }
.quote__meter { height: 4px; margin-block: var(--space-2) var(--space-4); background: var(--color-line-light); border-radius: var(--radius-pill); overflow: hidden; }
.quote__meter-fill { display: block; height: 100%; width: var(--value, 0%); background: linear-gradient(90deg, var(--color-bronze), var(--color-bronze-light)); transition: width var(--dur-slow) var(--ease-out); }
.quote__disclaimer { font-size: var(--text-xs); line-height: 1.6; color: var(--color-muted-light); }

/* ───────── Zonas ───────── */
.areas { background: var(--color-cream); }
.areas__grid { display: grid; gap: var(--space-5); align-items: center; }
.areas__grid .section-head { margin-bottom: 0; }
.area-list { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.area-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.65rem 1.1rem;
  font-size: var(--text-sm);
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  transition: background-color var(--dur-base), color var(--dur-base), border-color var(--dur-base);
}
.area-chip .icon { width: 1rem; height: 1rem; color: var(--color-bronze); }
.area-chip:hover { background: var(--color-ink); color: var(--color-cream); border-color: var(--color-ink); }

/* ───────── Preguntas ───────── */
.faq__grid { display: grid; gap: var(--space-5); }
.faq-list { border-top: 1px solid var(--color-line); }
.faq-item { border-bottom: 1px solid var(--color-line); }
.faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-5);
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  line-height: var(--leading-snug);
  cursor: pointer;
  list-style: none;
  transition: color var(--dur-base);
}
.faq-item__q::-webkit-details-marker { display: none; }
.faq-item__q:hover { color: var(--color-bronze); }
.faq-item__icon { display: grid; place-items: center; flex-shrink: 0; width: 2.25rem; height: 2.25rem; border: 1px solid var(--color-line); border-radius: 50%; transition: transform var(--dur-base) var(--ease-out), background-color var(--dur-base), color var(--dur-base); }
.faq-item[open] .faq-item__icon { transform: rotate(45deg); background: var(--color-ink); color: var(--color-cream); border-color: var(--color-ink); }
.faq-item__a p { padding-bottom: var(--space-5); color: var(--color-muted); max-width: 44rem; }
.faq-item::details-content { block-size: 0; overflow: hidden; transition: block-size var(--dur-base) var(--ease-out), content-visibility var(--dur-base) allow-discrete; }
.faq-item[open]::details-content { block-size: auto; }

/* ───────── Contacto ───────── */
.contact { background: var(--color-paper); }
.contact__grid { display: grid; gap: var(--space-4); }
.contact__intro { position: relative; display: flex; align-items: flex-end; min-height: 26rem; padding: var(--space-6) var(--space-5); color: var(--color-cream); border-radius: var(--radius-lg); overflow: hidden; isolation: isolate; }
.contact__media { position: absolute; inset: 0; z-index: -1; }
.contact__media img { width: 100%; height: 100%; object-fit: cover; object-position: 30% center; }
.contact__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(27, 29, 33, 0.94) 10%, rgba(27, 29, 33, 0.45) 100%); }
.contact__intro .section-head { margin-bottom: var(--space-5); }
.channels { display: grid; gap: var(--space-3); }
.channels li { display: flex; align-items: center; gap: var(--space-3); }
.channels .icon { width: 2.5rem; height: 2.5rem; padding: 0.6rem; color: var(--color-bronze-light); border: 1px solid var(--color-line-light); border-radius: 50%; }
.channels small { display: block; font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-muted-light); }

.contact__form { display: grid; gap: var(--space-4); padding: var(--space-6) var(--space-5); background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-lg); }
.field { display: grid; gap: var(--space-2); }
.field label { font-size: var(--text-sm); font-weight: 500; }
.field textarea { resize: vertical; min-height: 7rem; }
.field [aria-invalid='true'] { border-color: var(--color-error); }
.field__error { font-size: var(--text-sm); color: var(--color-error); }
.check { display: flex !important; gap: var(--space-3); align-items: flex-start; font-weight: 400 !important; cursor: pointer; }
.check input { width: 1.25rem; height: 1.25rem; min-height: 0; margin-top: 0.15rem; padding: 0; accent-color: var(--color-ink); -webkit-appearance: auto; appearance: auto; flex-shrink: 0; }
.check a { text-decoration: underline; text-underline-offset: 3px; }

/* ───────── Pie ───────── */
.site-footer { padding-top: var(--space-8); background: var(--color-ink-deep); color: var(--color-muted-light); font-size: var(--text-sm); }
.site-footer__grid { display: grid; gap: var(--space-6); padding-bottom: var(--space-7); }
.site-footer__brand img { width: 190px; margin-bottom: var(--space-4); }
.site-footer__brand p { max-width: 24rem; }
.site-footer__title { margin-bottom: var(--space-3); font-size: var(--text-xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-bronze-light); }
.site-footer__col ul { display: grid; gap: var(--space-2); }
.site-footer__link { transition: color var(--dur-base); }
.site-footer__link:hover { color: var(--color-cream); }
.site-footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); padding-block: var(--space-5) calc(var(--space-5) + var(--mobile-bar-h) + env(safe-area-inset-bottom)); border-top: 1px solid var(--color-line-light); }

/* ───────── WhatsApp flotante y barra móvil ───────── */
/* Botón flotante en la paleta de la marca: carbón con aro bronce; al pasar el mouse se abre la etiqueta */
.wa-float {
  position: fixed;
  right: max(1.5rem, env(safe-area-inset-right));
  bottom: max(1.5rem, env(safe-area-inset-bottom));
  z-index: 40;
  display: none;
  align-items: center;
  height: 3.75rem;
  padding: 0.35rem;
  color: var(--color-cream);
  background: var(--color-ink);
  border: 1px solid rgba(194, 155, 114, 0.55);
  border-radius: var(--radius-pill);
  box-shadow: 0 14px 34px rgba(27, 29, 33, 0.28);
  transition: background-color var(--dur-base) var(--ease-out), border-color var(--dur-base), transform var(--dur-base) var(--ease-out);
}
.wa-float__icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.95rem;
  height: 2.95rem;
  color: var(--color-ink);
  background: var(--color-bronze-light);
  border-radius: 50%;
  transition: background-color var(--dur-base);
}
.wa-float__icon .icon { width: 1.45rem; height: 1.45rem; }
.wa-float__icon::after { content: ''; position: absolute; inset: -0.35rem; border: 1px solid var(--color-bronze-light); border-radius: 50%; animation: wa-ring 3.2s var(--ease-out) infinite; }
.wa-float__label {
  max-width: 0;
  overflow: hidden;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  transition: max-width var(--dur-slow) var(--ease-out), opacity var(--dur-base), padding var(--dur-slow) var(--ease-out);
}
.wa-float:hover, .wa-float:focus-visible { border-color: var(--color-bronze-light); transform: translateY(-3px); }
.wa-float:hover .wa-float__label, .wa-float:focus-visible .wa-float__label { max-width: 12rem; padding-inline: 0.9rem 1.1rem; opacity: 1; }
.wa-float:hover .wa-float__icon { background: var(--color-cream); }
@keyframes wa-ring { 0% { transform: scale(0.85); opacity: 0.8; } 70%, 100% { transform: scale(1.45); opacity: 0; } }

.mobile-bar {
  position: fixed;
  inset: auto 0 0;
  z-index: 40;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3) calc(var(--space-2) + env(safe-area-inset-bottom));
  background: rgba(251, 248, 242, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--color-line);
  transform: translateY(110%);
  transition: transform var(--dur-base) var(--ease-out);
}
.past-hero .mobile-bar { transform: none; }
.mobile-bar__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 3rem;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cream);
  background: var(--color-ink);
  border-radius: var(--radius-pill);
}
.mobile-bar__btn--wa { color: var(--color-ink); background: var(--color-bronze-light); }

/* ───────── Aviso de privacidad ───────── */
.legal { max-width: 52rem; padding-block: var(--space-7) var(--space-9); }
.legal__brand { display: inline-block; width: 170px; margin-bottom: var(--space-7); }
.legal .section-title { margin-block: var(--space-3); }
.legal section { margin-block: var(--space-6); }
.legal h2 { font-family: var(--font-serif); font-size: var(--text-xl); font-weight: 400; margin-bottom: var(--space-3); }
.legal section p { color: var(--color-muted); margin-bottom: var(--space-3); }
.page-legal .site-footer__bottom { padding-bottom: var(--space-5); }

/* ───────── ≥ 640px ───────── */
@media (min-width: 640px) {
  .commitments__list { grid-template-columns: repeat(2, 1fr); column-gap: var(--space-6); }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .slide { flex-basis: 72%; }
  .slide__figure { aspect-ratio: 4 / 3; }
  .ba { aspect-ratio: 3 / 2; }
  .chips--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero__actions .btn { flex: 0 0 auto; }
  .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr; }
}

/* ───────── ≥ 960px ───────── */
@media (min-width: 960px) {
  :root { --header-h: 88px; }
  .brand { width: 158px; margin-right: 0; }
  .site-nav { display: block; margin-inline: auto; }
  .site-nav__list { display: flex; gap: clamp(1.25rem, 2.2vw, 2.25rem); }
  .site-nav__link { position: relative; padding-block: var(--space-2); font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.85; transition: opacity var(--dur-base); }
  .site-nav__link::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform var(--dur-base) var(--ease-out); }
  .site-nav__link:hover, .site-nav__link.is-active { opacity: 1; }
  .site-nav__link:hover::after, .site-nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }
  .site-header__cta { display: inline-flex; }
  .menu-toggle, .mobile-menu { display: none; }

  .hero { align-items: center; padding-bottom: var(--space-9); }
  .hero__content { gap: var(--space-6); }
  .hero__scroll { display: inline-flex; }

  .commitments__list { grid-template-columns: repeat(4, 1fr); padding-block: var(--space-8); }
  .commitment { grid-template-columns: 1fr; row-gap: var(--space-3); padding: 0 var(--space-5) 0 0; border-right: 1px solid var(--color-line); }
  .commitment:last-child { border-right: 0; }
  .commitment__icon { grid-row: auto; }

  .services__grid { grid-template-columns: repeat(4, 1fr); }
  .approach__grid { grid-template-columns: 1fr 1.05fr; gap: var(--space-9); }

  .carousel__arrows { display: flex; }
  .carousel__track { gap: var(--space-5); }
  .slide { flex-basis: min(76%, 1000px); }
  .slide__figure { aspect-ratio: 16 / 9; max-height: calc(100vh - var(--header-h) - 6rem); }
  .slide__caption { padding: var(--space-9) var(--space-7) var(--space-7); }

  .ba { max-height: calc(100vh - var(--header-h) - 8rem); margin-inline: auto; }

  .progress__grid { grid-template-columns: 1fr 1fr; gap: var(--space-9); }
  .report { padding: var(--space-6); }

  .process__grid { grid-template-columns: 1fr 1.25fr; gap: var(--space-9); align-items: start; }
  .process__grid .section-head { position: sticky; top: calc(var(--header-h) + var(--space-6)); }
  .steps { gap: var(--space-7); }

  .quote__grid { grid-template-columns: 1.35fr 1fr; gap: var(--space-6); }
  .quote__form { padding: var(--space-7); }
  .quote__result { position: sticky; top: calc(var(--header-h) + var(--space-5)); padding: var(--space-7); }

  .areas__grid { grid-template-columns: 1fr 1fr; gap: var(--space-9); }
  .faq__grid { grid-template-columns: 1fr 1.6fr; gap: var(--space-9); align-items: start; }
  .faq__grid .section-head { position: sticky; top: calc(var(--header-h) + var(--space-6)); }

  .contact__grid { grid-template-columns: 1fr 1fr; gap: var(--space-5); }
  .contact__intro { min-height: 100%; padding: var(--space-7); }
  .contact__form { padding: var(--space-7); }

  .wa-float { display: flex; }
  .mobile-bar { display: none; }
  .site-footer__bottom { padding-bottom: var(--space-5); }
}

/* ───────── ≥ 1240px ───────── */
@media (min-width: 1240px) {
  .service-card { padding: var(--space-7) var(--space-6); }
}

/* ───────── Movimiento reducido ───────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; transition-delay: 0ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
  .js .hero__title .word > span { transform: none; }
}