@font-face {
  font-family: "Inter";
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  src: url("../fonts/InterVariable.woff2") format("woff2-variations");
}

:root {
  --c-bg: #ffffff;
  --c-bg-soft: #f4f3f0;
  --c-bg-deep: #0e0e0e;
  --c-ink: #111111;
  --c-ink-soft: #555555;
  --c-ink-mute: #8a8a8a;
  --c-line: #dcdad4;
  --c-line-soft: #ececea;

  --f-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --shell: 1440px;
  --pad-x: clamp(20px, 4vw, 64px);

  --t-fast: 240ms cubic-bezier(.2,.6,.2,1);
  --t-slow: 700ms cubic-bezier(.2,.6,.2,1);
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--f-sans);
  font-feature-settings: "ss01", "cv11";
  font-variation-settings: "opsz" 28;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- Skip link (a11y) ---------- */

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  background: var(--c-ink);
  color: #fff;
  padding: 12px 18px;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 500;
  transition: top var(--t-fast);
}

.skip-link:focus {
  top: 16px;
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* ---------- Focus visible (a11y) ---------- */

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

.section--dark :focus-visible,
.site-footer :focus-visible,
.hero :focus-visible {
  outline-color: #fff;
}

/* ---------- Page transitions (H) ---------- */

/* Fade-in universal: corre siempre al cargar cualquier página.
   Funciona en file:// y en cualquier browser. */
body {
  animation: pageEnter 520ms cubic-bezier(.2,.6,.2,1) both;
}

@keyframes pageEnter {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* View Transitions API: cuando el browser la soporta y el sitio se sirve
   por HTTP/HTTPS, agrega un fade cross-document encima del fade-in básico. */
@view-transition { navigation: auto; }

::view-transition-old(root) {
  animation: vt-fade-out 240ms cubic-bezier(.2,.6,.2,1) both;
}

::view-transition-new(root) {
  animation: vt-fade-in 480ms cubic-bezier(.2,.6,.2,1) both;
}

@keyframes vt-fade-out { to { opacity: 0; } }
@keyframes vt-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

html { scroll-behavior: smooth; }

img, picture, video { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--c-ink); color: var(--c-bg); }

/* ---------- Layout primitives ---------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.bleed { width: 100%; }

.section {
  padding-top: clamp(80px, 12vw, 180px);
  padding-bottom: clamp(80px, 12vw, 180px);
}

.section--tight { padding-top: clamp(60px, 8vw, 120px); padding-bottom: clamp(60px, 8vw, 120px); }

.section--dark { background: var(--c-bg-deep); color: #f1f1f1; }
.section--soft { background: var(--c-bg-soft); }

.divider { border: 0; border-top: 1px solid var(--c-line); margin: 0; }

/* ---------- Typography ---------- */

.type-eyebrow {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
  font-weight: 500;
}

.type-display {
  font-size: clamp(44px, 8vw, 128px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 300;
  margin: 0;
}

.type-h1 {
  font-size: clamp(36px, 5.4vw, 84px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 300;
  margin: 0;
}

.type-h2 {
  font-size: clamp(28px, 3.6vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  font-weight: 400;
  margin: 0;
}

.type-h3 {
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-weight: 400;
  margin: 0;
}

.type-lead {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.5;
  color: var(--c-ink-soft);
  font-weight: 400;
  margin: 0;
}

.type-body {
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-ink-soft);
  margin: 0;
}

.type-quote {
  font-size: clamp(28px, 4vw, 56px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 300;
  font-style: italic;
  margin: 0;
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 18px var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--c-ink);
  border-bottom: 1px solid transparent;
  transition: background var(--t-fast), color var(--t-fast),
              padding var(--t-fast), border-color var(--t-fast);
}

.site-header.is-stuck {
  padding-top: 12px;
  padding-bottom: 12px;
  border-bottom-color: var(--c-line-soft);
}

/* Home: header transparente sobre el hero, blanco al hacer scroll */
body[data-page="inicio"] .site-header {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: #fff;
}

body[data-page="inicio"] .site-header.is-stuck {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--c-ink);
}

/* Logo */
.site-header__logo { display: inline-flex; align-items: center; }

.site-header__logo img {
  display: block;
  height: 56px;
  width: auto;
  transition: height var(--t-fast), filter var(--t-fast);
}

.site-header.is-stuck .site-header__logo img { height: 44px; }

@media (max-width: 760px) {
  .site-header__logo img { height: 44px; }
  .site-header.is-stuck .site-header__logo img { height: 38px; }
}

/* Sobre el hero (home, no stuck): el logo es oscuro + se vería mal sobre la imagen.
   Lo invertimos a blanco mientras el header es transparente. */
body[data-page="inicio"] .site-header:not(.is-stuck) .site-header__logo img {
  filter: brightness(0) invert(1);
}

.site-header__nav {
  display: flex;
  gap: clamp(18px, 2.4vw, 38px);
}

.site-header__nav a {
  position: relative;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 6px 0;
}

.site-header__nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--t-fast);
}

.site-header__nav a:hover::after,
.site-header__nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.nav-toggle { display: none; }

@media (max-width: 760px) {
  .site-header__nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: var(--c-bg-deep);
    color: #fff;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    padding: 0 24px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      transform var(--t-slow),
      opacity 240ms ease,
      visibility 0s linear var(--t-slow);
  }
  .site-header__nav a { font-size: 22px; }
  body.nav-open .site-header__nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition:
      transform var(--t-slow),
      opacity 240ms ease,
      visibility 0s linear 0s;
  }
  body.nav-open { overflow: hidden; }
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 60;
  }
  .nav-toggle span {
    width: 22px; height: 1px; background: currentColor;
    transition: transform var(--t-fast), opacity var(--t-fast);
  }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  /* Cuando el menú mobile está abierto, forzar header transparente y burger blanco
     sobre el overlay negro, sin importar la página */
  body.nav-open .site-header,
  body.nav-open[data-page="inicio"] .site-header.is-stuck {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-color: transparent;
    color: #fff;
  }
  body.nav-open .nav-toggle { color: #fff; }
  body.nav-open .site-header__logo img { filter: brightness(0) invert(1); }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media .media,
.hero__media img,
.hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__media img {
  animation: heroKenBurns 9s ease-out forwards;
  transform-origin: center 60%;
  will-change: transform;
}

/* Hero: video desktop o mobile según viewport (cada uno se descarga solo si se muestra) */
.hero__video--desktop { display: block; }
.hero__video--mobile { display: none; }

@media (max-width: 760px) {
  .hero__video--desktop { display: none; }
  .hero__video--mobile { display: block; }
}

@keyframes heroKenBurns {
  from { transform: scale(1); }
  to   { transform: scale(1.08); }
}

.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,0) 28%, rgba(0,0,0,0) 42%, rgba(0,0,0,.55) 72%, rgba(0,0,0,.78) 100%),
    radial-gradient(ellipse at 25% 90%, rgba(0,0,0,.45) 0%, rgba(0,0,0,0) 55%);
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-bottom: clamp(40px, 5vw, 72px);
  padding-top: clamp(120px, 18vw, 220px);
  padding-left: clamp(16px, 2.4vw, 40px);
}

.hero__eyebrow {
  display: inline-block;
  margin-bottom: 24px;
  color: rgba(255,255,255,.92);
  text-shadow: 0 1px 12px rgba(0,0,0,.5);
}

.hero__title {
  max-width: none;
  font-size: clamp(40px, 6.05vw, 97px);
  color: #d8d8d8;
  text-shadow: 0 2px 24px rgba(0,0,0,.55), 0 1px 3px rgba(0,0,0,.45);
}

/* ---------- Title band (debajo del hero) ---------- */
.title-band {
  padding: clamp(60px, 8vw, 120px) 0 0;
}

.title-band__title {
  text-align: left;
  margin: 0;
  letter-spacing: -0.015em;
  line-height: 1.1;
  font-weight: 300;
  font-size: clamp(24px, 3vw, 44px);
  color: var(--c-ink-soft);
}

.title-band .divider {
  margin: clamp(40px, 6vw, 80px) 0 0;
}

@media (min-width: 640px) {
  .hero__title { white-space: nowrap; }
}

.hero__meta {
  margin-top: clamp(40px, 6vw, 64px);
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 56px);
  align-items: end;
  justify-content: space-between;
}

.hero__lead {
  max-width: 38ch;
  color: rgba(255,255,255,.92);
  text-shadow: 0 1px 12px rgba(0,0,0,.5);
}

.hero__scroll {
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.85);
  text-shadow: 0 1px 8px rgba(0,0,0,.5);
}

.hero__scroll::after {
  content: "";
  width: 1px; height: 36px; background: currentColor;
  animation: lineDrop 2s ease-in-out infinite;
  transform-origin: top;
}

@keyframes lineDrop {
  0%, 100% { transform: scaleY(.3); opacity: .4; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ---------- Section head ---------- */

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: clamp(24px, 6vw, 96px);
  align-items: end;
  margin-bottom: clamp(48px, 7vw, 96px);
}

.section-head__index {
  display: flex;
  align-items: baseline;
  gap: 18px;
}

.section-head__num {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-ink-mute);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 760px) {
  .section-head { grid-template-columns: 1fr; gap: 24px; }
}

/* ---------- Split (text + image) ---------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: center;
}

.split--reverse > :first-child { order: 2; }

.split__copy { max-width: 48ch; }

.split__copy > * + * { margin-top: 24px; }

.split__media .media,
.split__media img {
  aspect-ratio: 4 / 5;
  width: 100%;
  object-fit: cover;
}

@media (max-width: 880px) {
  .split { grid-template-columns: 1fr; }
  .split--reverse > :first-child { order: 0; }
}

/* ---------- Expertise list ---------- */

.expertise-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.expertise-item {
  border-bottom: 1px solid var(--c-line);
}

.expertise-item__row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: clamp(20px, 4vw, 64px);
  align-items: baseline;
  padding: clamp(28px, 4vw, 48px) 0;
  transition: padding-left var(--t-fast);
}

@media (hover: hover) {
  .expertise-item__row:hover { padding-left: 12px; }
}

.expertise-item__num {
  font-size: 12px;
  color: var(--c-ink-mute);
  letter-spacing: .14em;
  font-variant-numeric: tabular-nums;
}

.expertise-item__title {
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 300;
  margin: 0;
}

.expertise-item__desc {
  max-width: 36ch;
  color: var(--c-ink-soft);
  font-size: 17px;
  line-height: 1.55;
  margin: 0;
}

@media (max-width: 760px) {
  .expertise-item__row {
    grid-template-columns: 56px 1fr;
    padding: 18px 0;
    gap: 8px 16px;
  }
  .expertise-item__desc {
    grid-column: 2;
    font-size: 16px;
  }
}

/* ---------- Process timeline ---------- */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.timeline-item { border-bottom: 1px solid var(--c-line); }

.timeline-item__row {
  display: grid;
  grid-template-columns: 80px 1fr 1.4fr;
  gap: clamp(20px, 4vw, 64px);
  align-items: baseline;
  padding: clamp(28px, 4vw, 48px) 0;
  transition: padding-left var(--t-fast);
}

.timeline-item__row:hover { padding-left: 12px; }

.timeline-item__num {
  font-size: 12px;
  color: var(--c-ink-mute);
  letter-spacing: .14em;
  font-variant-numeric: tabular-nums;
}

.timeline-item__title {
  font-size: clamp(28px, 3.4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 300;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.timeline-item__desc {
  max-width: 42ch;
  color: var(--c-ink-soft);
  font-size: 17px;
  line-height: 1.55;
}

.timeline-badge {
  display: inline-block;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 5px 10px;
  border: 1px solid var(--c-ink);
  border-radius: 999px;
  color: var(--c-ink);
  background: transparent;
  vertical-align: middle;
}

@media (max-width: 760px) {
  .timeline-item__row { grid-template-columns: 56px 1fr; }
  .timeline-item__desc { grid-column: 2; }
}

/* ---------- Project / Obra featured ---------- */

.feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.feature__media .media,
.feature__media img {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
}

.feature__meta {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(24px, 6vw, 96px);
  align-items: end;
}

.feature__meta dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin: 0;
}

.feature__meta dt {
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
  margin-bottom: 6px;
}

.feature__meta dd {
  margin: 0;
  font-size: 15px;
  color: var(--c-ink);
}

@media (max-width: 760px) {
  .feature__meta { grid-template-columns: 1fr; }
  .feature__meta dl { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Index grid (obras / proyectos page) ---------- */

.index-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(24px, 3vw, 48px) clamp(20px, 2vw, 32px);
}

.index-card { display: block; grid-column: span 6; }
.index-card--wide { grid-column: span 12; }
.index-card--small { grid-column: span 4; }

.index-card__media {
  overflow: hidden;
  margin-bottom: 18px;
}

.index-card__media .media,
.index-card__media img {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.index-card:hover .index-card__media img,
.index-card:hover .index-card__media .media { transform: scale(1.04); }

.index-card__title {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0 0 4px;
}

.index-card__sub {
  font-size: 13px;
  color: var(--c-ink-mute);
}

@media (max-width: 760px) {
  .index-card,
  .index-card--wide,
  .index-card--small { grid-column: span 12; }
}

/* ---------- Quote band ---------- */

.quote-band {
  text-align: center;
  max-width: 22ch;
  margin: 0 auto;
}

.quote-band__attr {
  display: block;
  margin-top: 32px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
  font-style: normal;
}

/* ---------- Link arrow ---------- */

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 500;
  padding-bottom: 6px;
  border-bottom: 1px solid currentColor;
}

.link-arrow svg { transition: transform var(--t-fast); }
.link-arrow:hover svg { transform: translateX(8px); }

/* ---------- Placeholder media ---------- */

.media {
  background: var(--c-bg-soft);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-ink-mute);
  overflow: hidden;
}

.media[data-placeholder]::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(45deg, transparent 0 22px, rgba(0,0,0,.03) 22px 23px);
}

.media[data-placeholder]::after {
  content: attr(data-placeholder);
  position: relative;
  z-index: 1;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
  background: var(--c-bg-soft);
  padding: 6px 14px;
}

.section--dark .media { background: #1a1a1a; color: #6a6a6a; }
.section--dark .media[data-placeholder]::after { background: #1a1a1a; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--c-bg-deep);
  color: #ddd;
  padding: clamp(60px, 8vw, 120px) var(--pad-x) 40px;
}

.site-footer__inner {
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  gap: clamp(40px, 6vw, 96px);
}

.site-footer__lead {
  font-size: clamp(28px, 3.4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 300;
  color: #fff;
  margin: 0 0 32px;
  max-width: 18ch;
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.site-footer__col h4 {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #888;
  font-weight: 500;
  margin: 0 0 18px;
}

.site-footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.site-footer__col a:hover { color: #fff; }

.site-footer__legal {
  max-width: var(--shell);
  margin: clamp(48px, 8vw, 96px) auto 0;
  padding-top: 24px;
  border-top: 1px solid #2a2a2a;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: #777;
  letter-spacing: .04em;
}

.site-footer__credit-wrap {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.site-footer__credit-prefix {
  color: #777;
  letter-spacing: .04em;
  text-transform: none;
}

.site-footer__credit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #2DD4BF;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: opacity var(--t-fast);
}

.site-footer__credit:hover { opacity: .75; }

.site-footer__credit img {
  height: 26px;
  width: auto;
  display: block;
}

@media (max-width: 880px) {
  .site-footer__inner { grid-template-columns: 1fr; }
  .site-footer__cols { grid-template-columns: 1fr 1fr; }
  .site-footer__legal { flex-direction: column; gap: 12px; }
}

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Page header (internal pages) ---------- */

.page-head {
  padding-top: clamp(140px, 18vw, 220px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-head__title {
  max-width: 16ch;
}

.page-head__lead {
  max-width: 56ch;
  margin-top: 32px;
}

/* ---------- Contacto ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 96px);
}

.contact-block + .contact-block { margin-top: 40px; }

.contact-block__label {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
  margin-bottom: 10px;
}

.contact-block__value {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.contact-block__value a { border-bottom: 1px solid var(--c-line); padding-bottom: 4px; }
.contact-block__value a:hover { border-color: var(--c-ink); }

@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---------- Map section ---------- */

.map {
  width: 100%;
  aspect-ratio: 21 / 9;
  border: 0;
  display: block;
  background: var(--c-bg-soft);
  filter: grayscale(100%) contrast(1.05);
  transition: filter var(--t-slow);
}

.map:hover { filter: grayscale(0%); }

.map-band {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 96px);
  margin-bottom: clamp(40px, 5vw, 64px);
  align-items: end;
}

@media (max-width: 760px) {
  .map { aspect-ratio: 4 / 3; }
  .map-band { grid-template-columns: 1fr; }
}

/* ---------- Form (Foster-style) ---------- */

.form {
  display: grid;
  gap: clamp(28px, 3.6vw, 48px);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 3.6vw, 48px);
}

@media (max-width: 720px) {
  .form__row { grid-template-columns: 1fr; }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.field__label {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
  font-weight: 500;
}

.field__label .req { color: var(--c-ink); margin-left: 4px; }

.field__input,
.field__textarea,
.field__select {
  font: inherit;
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 400;
  color: var(--c-ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--c-line);
  padding: 8px 0 14px;
  border-radius: 0;
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  transition: border-color var(--t-fast);
}

.field__textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.4;
}

.field__select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%23111' stroke-width='1.2' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 4px center;
  padding-right: 28px;
}

.field__input:focus,
.field__textarea:focus,
.field__select:focus {
  outline: 0;
  border-bottom-color: var(--c-ink);
}

.field__input::placeholder,
.field__textarea::placeholder { color: var(--c-ink-mute); opacity: .6; }

.field__hint {
  font-size: 12px;
  color: var(--c-ink-mute);
  margin-top: -4px;
}

.field--invalid .field__input,
.field--invalid .field__textarea,
.field--invalid .field__select {
  border-bottom-color: #c0392b;
}

.field__error {
  font-size: 12px;
  color: #c0392b;
  margin-top: -4px;
  display: none;
}

.field--invalid .field__error { display: block; }

.form__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: clamp(16px, 2vw, 24px);
}

.form__submit {
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 18px 32px;
  background: var(--c-ink);
  color: #fff;
  border: 1px solid var(--c-ink);
  display: inline-flex;
  align-items: center;
  gap: 14px;
  transition: background var(--t-fast), color var(--t-fast), gap var(--t-fast);
}

.form__submit:hover { gap: 22px; }

.form__submit[disabled] { opacity: .5; cursor: progress; }

.form__submit svg { width: 16px; height: 10px; }

.form__legal { font-size: 12px; color: var(--c-ink-mute); max-width: 38ch; }

.form__status {
  margin-top: 32px;
  padding: 24px 28px;
  border: 1px solid var(--c-line);
  background: var(--c-bg-soft);
  display: none;
}

.form__status[data-state="ok"]    { display: block; border-color: #1e7d3f; background: #f1faf3; color: #1e5b30; }
.form__status[data-state="error"] { display: block; border-color: #c0392b; background: #fbf3f2; color: #8a2a20; }

.form__status p { margin: 0; font-size: 15px; line-height: 1.5; }

/* ---------- WhatsApp floating button ---------- */

.wa-fab {
  position: fixed;
  right: clamp(18px, 2.4vw, 32px);
  bottom: clamp(18px, 2.4vw, 32px);
  z-index: 45;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(37, 211, 102, .35), 0 4px 10px rgba(0,0,0,.15);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}

.wa-fab:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 16px 36px rgba(37, 211, 102, .45), 0 6px 14px rgba(0,0,0,.18);
}

.wa-fab.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(.85);
}

.wa-fab:focus-visible {
  outline: 2px solid var(--c-ink);
  outline-offset: 4px;
}

.wa-fab svg { width: 30px; height: 30px; display: block; }

body.nav-open .wa-fab { display: none; }

@media (max-width: 760px) {
  .wa-fab { width: 52px; height: 52px; }
  .wa-fab svg { width: 26px; height: 26px; }
}

/* ---------- Detail page (obra/proyecto/reforma) ---------- */

.detail-back {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.detail-back:hover { color: var(--c-ink); }

.detail-hero__media .media,
.detail-hero__media img {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
}

.detail-intro {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
  padding-top: clamp(60px, 8vw, 120px);
}

.detail-intro__text > * + * { margin-top: 24px; }

.detail-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 32px;
  border-top: 1px solid var(--c-line);
  padding-top: 32px;
}

.detail-meta dt {
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
  margin-bottom: 6px;
}

.detail-meta dd { margin: 0; font-size: 16px; color: var(--c-ink); }

@media (max-width: 760px) {
  .detail-intro { grid-template-columns: 1fr; }
}

/* Antes / Después: label + grilla chica para fotos del estado original */

.before-after-label {
  margin: 0 0 clamp(20px, 3vw, 36px);
  color: var(--c-ink-mute);
}

.before-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 1.6vw, 24px);
  max-width: 720px;
}

.before-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.7);
}

@media (max-width: 600px) {
  .before-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: none;
  }
}

/* Gallery: alterna full-bleed, par 50/50 y composición desplazada */

.gallery {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.gallery__row { display: grid; gap: clamp(20px, 2vw, 32px); }

.gallery__row--full { grid-template-columns: 1fr; }

.gallery__row--pair { grid-template-columns: 1fr 1fr; }

.gallery__row--offset { grid-template-columns: 7fr 5fr; align-items: end; }

.gallery__row--offset-rev { grid-template-columns: 5fr 7fr; align-items: start; }

.gallery .media,
.gallery img {
  width: 100%;
  object-fit: cover;
}

.gallery__row--full .media,
.gallery__row--full img { aspect-ratio: 21 / 9; }

.gallery__row--pair .media,
.gallery__row--pair img { aspect-ratio: 4 / 5; }

.gallery__row--offset .media,
.gallery__row--offset-rev .media,
.gallery__row--offset img,
.gallery__row--offset-rev img { aspect-ratio: 4 / 3; }

@media (max-width: 760px) {
  .gallery__row--pair,
  .gallery__row--offset,
  .gallery__row--offset-rev { grid-template-columns: 1fr; }
}

/* Pager (next obra) */

.pager {
  border-top: 1px solid var(--c-line);
  padding-top: clamp(40px, 6vw, 80px);
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(24px, 6vw, 96px);
  align-items: end;
}

.pager__label {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
  margin-bottom: 12px;
}

.pager__link {
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 300;
  display: inline-flex;
  align-items: baseline;
  gap: 18px;
  transition: gap var(--t-fast);
}

.pager__link:hover { gap: 32px; }

@media (max-width: 760px) {
  .pager { grid-template-columns: 1fr; }
}

/* ---------- Lightbox ---------- */

.gallery img.is-zoomable,
.before-grid img.is-zoomable {
  cursor: pointer;
}

body.is-lightbox-open {
  overflow: hidden;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(8, 8, 8, .96);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 220ms ease, visibility 220ms ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__stage {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: 92vw;
  max-height: 92vh;
}

.lightbox__img {
  max-width: 92vw;
  max-height: 84vh;
  width: auto;
  height: auto;
  display: block;
  object-fit: contain;
  opacity: 0;
  transition: opacity 220ms ease;
}

.lightbox__img.is-loaded { opacity: 1; }

.lightbox__caption {
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .6);
  font-variant-numeric: tabular-nums;
  min-height: 14px;
}

.lightbox__btn {
  position: absolute;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .15);
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}

.lightbox__btn:hover {
  background: rgba(255, 255, 255, .18);
  border-color: rgba(255, 255, 255, .3);
}

.lightbox__btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.lightbox__close {
  top: clamp(16px, 2.5vw, 28px);
  right: clamp(16px, 2.5vw, 28px);
}

.lightbox__prev {
  left: clamp(16px, 2.5vw, 32px);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: clamp(16px, 2.5vw, 32px);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__prev:hover { transform: translateY(-50%) translateX(-2px); }
.lightbox__next:hover { transform: translateY(-50%) translateX(2px); }

.lightbox.is-single .lightbox__prev,
.lightbox.is-single .lightbox__next {
  display: none;
}

@media (max-width: 600px) {
  .lightbox__img { max-width: 96vw; max-height: 78vh; }
  .lightbox__btn { width: 40px; height: 40px; }
  .lightbox__close { top: 12px; right: 12px; }
  .lightbox__prev { left: 8px; }
  .lightbox__next { right: 8px; }
}

/* ---------- Mobile polish ---------- */

@media (max-width: 760px) {
  /* Hero: dejar asomar la siguiente sección, no monopolizar el viewport */
  .hero {
    min-height: 88svh;
  }

  /* Secciones más compactas en mobile */
  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
  .section--tight {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  /* Galerías: las filas pair y offset stackean a 1 columna; bajamos
     los aspect-ratio para que no queden imágenes gigantes apiladas */
  .gallery {
    gap: 18px;
  }
  .gallery__row {
    gap: 18px;
  }
  .gallery__row--full img {
    aspect-ratio: 16 / 9;
  }
  .gallery__row--pair img {
    aspect-ratio: 4 / 3;
  }
  .gallery__row--offset img,
  .gallery__row--offset-rev img {
    aspect-ratio: 16 / 9;
  }

  /* Split (estudio): la imagen 4/5 portrait queda muy alta apilada */
  .split__media img,
  .split__media .media {
    aspect-ratio: 16 / 10;
  }

  /* Detail hero: un toque más bajo para no robarse toda la primera pantalla */
  .detail-hero__media img,
  .detail-hero__media .media {
    aspect-ratio: 4 / 3;
  }

  /* Detail intro: menos aire arriba al pasar a 1 columna */
  .detail-intro {
    padding-top: 40px;
    gap: 24px;
  }

  /* Antes / Después: rótulo más cerca de la grilla */
  .before-after-label {
    margin-bottom: 16px;
  }
}