/* =========================================================================
   NILA · Estudio de Arquitectura — estilos
   Mobile-first. Paleta: blanco cálido, negro carbón, gris cemento y arena.
   ========================================================================= */

:root {
  --paper: #f4f1ec;
  --paper-2: #ebe6de;
  --paper-3: #e1dbd1;
  --ink: #1c1c1b;
  --ink-2: #34332f;
  --muted: #5f5c56;
  --cement: #8e8c87;
  --cement-l: #b4b0a8;
  --sand: #cdbb9c;
  --sand-d: #76603f;
  --line: rgba(28, 28, 27, .14);
  --line-light: rgba(244, 241, 236, .22);
  --danger: #9b3b2b;
  --ok: #3f5b3b;

  --serif: 'Cormorant Garamond', 'Cormorant', Georgia, 'Times New Roman', serif;
  --sans: 'Manrope', 'Helvetica Neue', Arial, system-ui, sans-serif;

  --gutter: clamp(16px, 4.5vw, 56px);
  --max: 1360px;
  --header-h: 68px;
  --radius: 2px;
  --ease: cubic-bezier(.22, .61, .21, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);

  --fs-h1: clamp(2.6rem, 1.6rem + 4.6vw, 6.2rem);
  --fs-h2: clamp(2.2rem, 1.5rem + 3vw, 4.4rem);
  --fs-h3: clamp(1.35rem, 1.15rem + .7vw, 1.75rem);
  --fs-lead: clamp(1.06rem, 1rem + .35vw, 1.3rem);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 8px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 500; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 300; background: var(--ink); color: var(--paper); padding: 10px 16px; text-decoration: none; transition: top .2s; }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--sand-d); outline-offset: 3px; }

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

.eyebrow {
  font-family: var(--sans); font-size: .74rem; font-weight: 600; letter-spacing: .28em; text-transform: uppercase; color: var(--sand-d);
  display: flex; align-items: center; gap: 14px; margin-bottom: 18px;
}
.eyebrow::before { content: ''; width: 34px; height: 1px; background: currentColor; }
.eyebrow--light { color: var(--sand); }
.h2 { font-family: var(--serif); font-size: var(--fs-h2); line-height: 1.02; letter-spacing: -.01em; font-weight: 500; }
.h2 + .lead { margin-top: 24px; }
.lead { font-size: var(--fs-lead); line-height: 1.6; color: var(--muted); max-width: 40em; }

/* ---------- botones ---------- */
.btn {
  --bg: var(--ink); --fg: var(--paper); --bd: var(--ink);
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 52px; padding: 14px 28px; border: 1px solid var(--bd); background: var(--bg); color: var(--fg);
  font-size: .8rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; text-decoration: none;
  cursor: pointer; overflow: hidden; isolation: isolate; border-radius: var(--radius);
  transition: color .45s var(--ease), border-color .45s var(--ease), transform .2s var(--ease);
}
.btn::before {
  content: ''; position: absolute; inset: 0; z-index: -1; background: var(--fg);
  transform: scaleY(0); transform-origin: bottom; transition: transform .5s var(--ease);
}
.btn::after { content: '→'; font-size: 1rem; letter-spacing: 0; transition: transform .45s var(--ease); }
.btn:hover::before, .btn:focus-visible::before { transform: scaleY(1); }
.btn:hover, .btn:focus-visible { color: var(--bg); }
.btn:hover::after { transform: translateX(4px); }
.btn:active { transform: scale(.98); }
.btn--light { --bg: var(--paper); --fg: var(--ink); --bd: var(--paper); }
.btn--ghost-light { --bg: transparent; --fg: var(--paper); --bd: rgba(244, 241, 236, .55); }
.btn--ghost-light:hover, .btn--ghost-light:focus-visible { color: var(--ink); }
.btn--ghost-light::before { background: var(--paper); }
.btn--dark { --bg: var(--ink); --fg: var(--paper); }
.btn--dark:hover, .btn--dark:focus-visible { color: var(--ink); }
.btn--small { min-height: 42px; padding: 10px 18px; font-size: .72rem; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------- barra de progreso ---------- */
.scroll-progress { position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 120; pointer-events: none; }
.scroll-progress span { display: block; height: 100%; background: var(--sand); transform-origin: left; transform: scaleX(0); }

/* ---------- encabezado ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  display: flex; align-items: center; gap: 24px; padding-inline: var(--gutter);
  color: var(--paper); transition: background-color .4s var(--ease), color .4s var(--ease), transform .45s var(--ease), box-shadow .4s;
}
.site-header.is-solid { background: rgba(244, 241, 236, .92); color: var(--ink); box-shadow: 0 1px 0 var(--line); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.site-header.is-hidden { transform: translateY(-100%); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.brand__mark { width: 52px; height: auto; stroke: currentColor; }
.brand__mark .brand__a, .footer__mark .brand__a { opacity: .55; }
.brand__text { font-size: .68rem; letter-spacing: .26em; text-transform: uppercase; line-height: 1.3; white-space: nowrap; }
@media (max-width: 380px) { .brand__text { font-size: .6rem; letter-spacing: .2em; } }
.nav { display: none; }
.nav ul { display: flex; gap: 34px; }
.nav a { position: relative; text-decoration: none; font-size: .8rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; padding: 8px 0; }
.nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 2px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease); }
.nav a:hover::after, .nav a[aria-current='true']::after { transform: scaleX(1); transform-origin: left; }
.header-cta { display: none; }
.site-header:not(.is-solid) .header-cta { --bg: transparent; --fg: var(--paper); --bd: rgba(244, 241, 236, .55); }
.site-header:not(.is-solid) .header-cta:hover { color: var(--ink); }

.menu-toggle { width: 48px; height: 48px; margin-right: -10px; display: grid; place-items: center; background: none; border: 0; cursor: pointer; }
.menu-toggle__bars, .menu-toggle__bars::before { display: block; width: 26px; height: 1.5px; background: currentColor; position: relative; transition: transform .45s var(--ease), background-color .3s; }
.menu-toggle__bars::before { content: ''; position: absolute; top: 7px; width: 18px; right: 0; }
.menu-toggle__bars { transform: translateY(-3.5px); }
.menu-open .menu-toggle__bars { transform: rotate(45deg); }
.menu-open .menu-toggle__bars::before { transform: translate(0, -7px) rotate(-90deg); width: 26px; }
.menu-open .site-header { color: var(--paper); background: transparent; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }

.mobile-menu {
  position: fixed; inset: 0; z-index: 90; background: var(--ink); color: var(--paper);
  display: flex; flex-direction: column; justify-content: space-between; padding: calc(var(--header-h) + 32px) var(--gutter) 40px;
  clip-path: inset(0 0 100% 0); transition: clip-path .7s var(--ease-io), visibility 0s .7s; visibility: hidden;
}
.mobile-menu[hidden] { display: none; }
.menu-open .mobile-menu { clip-path: inset(0 0 0 0); visibility: visible; transition: clip-path .7s var(--ease-io), visibility 0s; }
.mobile-menu li { overflow: hidden; border-bottom: 1px solid var(--line-light); }
.mobile-menu a { display: flex; align-items: baseline; gap: 18px; padding: 18px 0; text-decoration: none; font-family: var(--serif); font-size: clamp(2.2rem, 9vw, 3.4rem); line-height: 1.1;
  transform: translateY(105%); transition: transform .7s var(--ease); }
.mobile-menu a span { font-family: var(--sans); font-size: .72rem; letter-spacing: .2em; color: var(--sand); }
.menu-open .mobile-menu a { transform: none; }
.menu-open .mobile-menu li:nth-child(2) a { transition-delay: .06s; }
.menu-open .mobile-menu li:nth-child(3) a { transition-delay: .12s; }
.menu-open .mobile-menu li:nth-child(4) a { transition-delay: .18s; }
.mobile-menu__foot { font-family: var(--serif); font-style: italic; font-size: 1.25rem; color: var(--cement-l); }
.menu-open { overflow: hidden; }

@media (min-width: 960px) {
  :root { --header-h: 84px; }
  .nav { display: block; }
  .header-cta { display: inline-flex; }
  .menu-toggle, .mobile-menu { display: none !important; }
  .brand__mark { width: 60px; }
}

/* ---------- 1 · INICIO ---------- */
.hero { position: relative; height: 100vh; height: 100svh; min-height: 560px; overflow: hidden; color: var(--paper); background: #2c3442; }
.hero__media { position: absolute; inset: 0; will-change: transform; }
.hero__media picture, .hero__media img { width: 100%; height: 100%; }
.hero__media img { object-fit: cover; object-position: center; transform-origin: 50% 60%; }
.hero.is-zooming .hero__media img { animation: heroZoom 22s var(--ease) forwards; }
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.09); } }
.hero__shade { position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(18, 18, 17, .5) 0%, rgba(18, 18, 17, .22) 45%, rgba(18, 18, 17, 0) 70%),
    linear-gradient(180deg, rgba(20, 22, 26, .55) 0%, rgba(20, 22, 26, 0) 22%, rgba(20, 22, 26, .08) 40%, rgba(18, 18, 17, .84) 100%); }
@media (max-width: 600px) {
  .hero__shade { background: linear-gradient(180deg, rgba(20, 22, 26, .55) 0%, rgba(20, 22, 26, 0) 18%, rgba(18, 18, 17, .35) 42%, rgba(18, 18, 17, .88) 100%); }
}
.hero__content { position: absolute; left: 0; right: 0; bottom: 0; padding: 0 var(--gutter) calc(88px + env(safe-area-inset-bottom)); max-width: 1100px; }
.hero__title { font-family: var(--serif); font-size: var(--fs-h1); line-height: .98; letter-spacing: -.015em; font-weight: 500; max-width: 12.5em; text-wrap: balance; }
.hero__sub { margin-top: 20px; max-width: 34em; font-size: var(--fs-lead); color: rgba(244, 241, 236, .86); }
.hero__actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero__note { position: absolute; right: calc(var(--gutter) + 76px); bottom: 34px; font-size: .62rem; letter-spacing: .24em; text-transform: uppercase; color: rgba(244, 241, 236, .6); }
.scroll-cue { position: absolute; left: 50%; bottom: 22px; width: 26px; height: 44px; margin-left: -13px; border: 1px solid rgba(244, 241, 236, .6); border-radius: 14px; }
.scroll-cue span { position: absolute; left: 50%; top: 8px; width: 2px; height: 8px; margin-left: -1px; background: var(--paper); border-radius: 2px; animation: cue 2s var(--ease) infinite; }
@keyframes cue { 0% { transform: translateY(0); opacity: 0; } 30% { opacity: 1; } 100% { transform: translateY(16px); opacity: 0; } }

/* aparición escalonada del contenido del hero */
.hero__content > * { opacity: 0; transform: translateY(26px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); }
.hero.is-live .hero__content > * { opacity: 1; transform: none; }
.hero.is-live .hero__content > *:nth-child(2) { transition-delay: .12s; }
.hero.is-live .hero__content > *:nth-child(3) { transition-delay: .24s; }
.hero.is-live .hero__content > *:nth-child(4) { transition-delay: .36s; }
.hero .scroll-cue, .hero .hero__note { opacity: 0; transition: opacity 1s .6s; }
.hero.is-live .scroll-cue, .hero.is-live .hero__note { opacity: 1; }

@media (max-width: 600px) {
  .hero__actions .btn { flex: 1 1 100%; }
  .hero__content { padding-bottom: calc(80px + env(safe-area-inset-bottom)); }
  .hero__note { display: none; }
  .hero__content .eyebrow { display: none; }
}
@media (min-width: 960px) {
  .hero__content { padding-bottom: 110px; }
}

/* portada: el render completo (sin recorte); a los lados, el mismo render difuminado */
.hero__media .hero__bg { position: absolute; inset: -6%; width: 112%; height: 112%; object-fit: cover; filter: blur(26px) brightness(.5) saturate(.9); transform: scale(1.05); }
.hero__media picture { position: absolute; inset: 0; }
.hero__media picture img { object-fit: contain; object-position: 72% 50%; animation: none !important; transform: none; }
.hero.is-zooming .hero__media .hero__bg { animation: heroZoom 22s var(--ease) forwards; }
@media (max-aspect-ratio: 1/1) {
  .hero__media picture { top: var(--header-h); bottom: auto; height: calc(100% - var(--header-h)); }
  .hero__media picture img { object-position: 50% 12%; }
}
/* ---------- animación de entrada ---------- */
.intro { display: none; }
.intro-on .intro { display: block; position: fixed; inset: 0; z-index: 200; color: var(--ink); }
.intro-on body { overflow: hidden; }
.intro-on .site-header { opacity: 0; pointer-events: none; }
.site-header { transition: background-color .4s var(--ease), color .4s var(--ease), transform .45s var(--ease), opacity .8s var(--ease); }
.intro__paper { position: absolute; inset: 0; background: var(--paper); transition: opacity 1.2s var(--ease-io); }
.intro__paper::before { content: ''; position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(var(--paper-3) 1px, transparent 1px), linear-gradient(90deg, var(--paper-3) 1px, transparent 1px);
  background-size: 40px 40px; }
.intro__lines { position: absolute; inset: 0; width: 100%; height: 100%; transform-origin: 50% 60%; }
.intro__lines path, .intro__lines polygon { fill: none; stroke: none; }
.intro__lines .plane { --u: 1; stroke-linecap: round; stroke-linejoin: round; }
.intro__lines .plane path { stroke: var(--ink); stroke-width: calc(var(--u) * 1.1); }
.intro__lines .plane .ln-ax { stroke: #b9b7b2; stroke-width: calc(var(--u) * .7); }
.intro__lines .plane .ln-gr { stroke: #8d8b87; stroke-width: calc(var(--u) * .55); }
.intro__lines .plane .ln-hl { stroke: var(--ink-2); stroke-width: calc(var(--u) * .5); }
.intro__lines .plane .fills { transition: opacity 1.2s var(--ease); }
.intro__lines .plane .fills path { stroke: none; fill: var(--ink); }
.intro__lines .plane .fills .fl-g { fill: #a9a7a2; }
.intro__lines .plane text { font-family: var(--sans); fill: var(--ink-2); stroke: none; }
.intro__lines .plane .texts { transition: opacity 1s var(--ease); }
.intro.s-axo .intro__lines .plane .texts, .intro.s-axo .intro__lines .plane .ln-ax { opacity: .25; transition: opacity 1.4s var(--ease); }
.intro__lines .walls polygon, .intro__lines .slab polygon { stroke: rgba(28, 28, 27, .45); stroke-width: .5; stroke-linejoin: round; }
.intro__lines .top { fill: #2b2a28; }
.intro__lines .top--low { fill: #8f8d88; }
.intro__lines .top--slab { fill: #f6f4ef; }
.intro__lines .facade polygon { stroke: rgba(28, 28, 27, .28); stroke-width: .7; stroke-linejoin: round; }
.intro__lines .top--clay { fill: #fbfaf7; }
.intro__logo { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); text-align: center; transition: opacity .8s var(--ease), transform 1.1s var(--ease); }
.intro__mark { width: min(240px, 52vw); margin: 0 auto; }
.intro__mark path { stroke-dasharray: 1; stroke-dashoffset: 1; }
.intro.s-logo .intro__mark path { stroke-dashoffset: 0; transition: stroke-dashoffset 1.1s var(--ease-io); }
.intro.s-logo .intro__mark path:nth-child(2) { transition-delay: .15s; }
.intro.s-logo .intro__mark path:nth-child(3) { transition-delay: .3s; }
.intro__wordmark { margin-top: 22px; font-family: var(--serif); font-size: clamp(.95rem, .8rem + .6vw, 1.25rem); letter-spacing: .32em; text-transform: uppercase; opacity: 0; transition: opacity 1s .6s var(--ease); }
.intro.s-logo .intro__wordmark { opacity: 1; }
.intro.s-plan .intro__logo { opacity: 0; transform: translate(-50%, -62%) scale(.92); }
.intro__stages { position: absolute; left: var(--gutter); bottom: 28px; display: flex; gap: 22px; font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: var(--cement); transition: color .8s, opacity .8s; }
.intro__stages li { opacity: .35; transition: opacity .6s; }
.intro__stages span { color: var(--sand-d); margin-right: 6px; }
.intro.st-1 [data-stage='1'], .intro.st-2 [data-stage='2'], .intro.st-3 [data-stage='3'] { opacity: 1; }
.intro.s-render .intro__stages { color: rgba(244, 241, 236, .8); }
/* fase maqueta: fondo de estudio gris para que la fachada blanca se lea en volumen */
.intro__paper { transition: opacity 1.2s var(--ease), background-color 1.4s var(--ease); }
.intro.s-clay .intro__paper { background-color: #c9c6c0; }
.intro.s-clay .intro__paper::before { opacity: .18; transition: opacity 1.4s var(--ease); }
.intro.s-clay .intro__stages, .intro.s-clay .intro__skip { color: #3a3936; }
/* revelado del render: barrido de izquierda a derecha con una línea de luz */
.intro__paper, .intro__lines { clip-path: inset(0 0 0 0); }
.intro.s-render .intro__paper, .intro.s-render .intro__lines { clip-path: inset(0 0 0 100%); transition: clip-path 1.8s cubic-bezier(.7, 0, .3, 1); }
.intro__sweep { position: absolute; top: 0; bottom: 0; left: 0; width: 2px; pointer-events: none; opacity: 0;
  background: linear-gradient(180deg, rgba(255, 250, 238, 0), rgba(255, 250, 238, .95) 30%, rgba(255, 250, 238, .95) 70%, rgba(255, 250, 238, 0));
  box-shadow: 0 0 28px 8px rgba(255, 236, 200, .45); }
.intro.s-render .intro__sweep { animation: introSweep 1.8s cubic-bezier(.7, 0, .3, 1) forwards; }
@keyframes introSweep { 0% { left: 0; opacity: 0; } 6% { opacity: 1; } 94% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
.intro.s-zoom .intro__lines { animation: heroZoom 22s var(--ease) forwards; }
.intro__skip { position: absolute; right: var(--gutter); bottom: 20px; min-height: 44px; padding: 10px 4px; border: 0; background: none; cursor: pointer;
  font-size: .7rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: inherit; border-bottom: 1px solid currentColor; }
.intro.s-render .intro__skip { color: var(--paper); }
.intro__message { isolation: isolate; position: absolute; left: 0; right: 0; bottom: 0; padding: 0 var(--gutter) calc(100px + env(safe-area-inset-bottom)); color: var(--paper); pointer-events: none;
  padding-top: 30vh; }
.intro__message::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, transparent, rgba(18, 18, 17, .6)); opacity: 0; transition: opacity 1.2s var(--ease); }
.intro.s-message .intro__message::before { opacity: 1; }
.intro__message > * { opacity: 0; transform: translateY(24px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); }
.intro__title { font-family: var(--serif); font-size: var(--fs-h1); line-height: .98; letter-spacing: -.015em; max-width: 11em; }
.intro__sub { margin: 18px 0 28px; font-size: var(--fs-lead); color: rgba(244, 241, 236, .86); }
.intro.s-message .intro__message { pointer-events: auto; }
.intro.s-message .intro__message > * { opacity: 1; transform: none; }
.intro.s-message .intro__message > *:nth-child(2) { transition-delay: .15s; }
.intro.s-message .intro__message > *:nth-child(3) { transition-delay: .3s; }
.intro.s-out { opacity: 0; transition: opacity 1s var(--ease); pointer-events: none; }
.intro.s-out .intro__message > * { transform: translateY(-14px); }
/* intro 3D (WebGL): pantalla oscura, la escena se enciende */
.intro__gl { position: absolute; inset: 0; width: 100%; height: 100%; display: block; opacity: 0; transition: opacity 1.4s var(--ease); }
.intro.s-gl .intro__gl { opacity: 1; }
.intro-gl .intro { color: #efe9df; background: #0b0b0a; }
.intro-gl .intro__paper { background: #0b0b0a; }
.intro-gl .intro__paper::before { opacity: 0; }
.intro-gl .intro__mark path:nth-child(1) { stroke: #f1ece4; }
.intro-gl .intro__mark path:nth-child(2) { stroke: #d6d0c6; }
.intro-gl .intro__stages, .intro-gl .intro__skip { color: rgba(239, 233, 223, .78); }
.intro-gl .intro__stages span { color: #cdbb9c; }
.intro-gl .intro.s-plan .intro__logo { opacity: 0; transform: translate(-50%, -56%) scale(.96); transition: opacity 1.4s var(--ease), transform 2.2s var(--ease); }
.intro-gl .intro__message::before { background: linear-gradient(180deg, transparent, rgba(10, 10, 9, .66)); }
.intro.s-present .intro__stages { opacity: 0; }
@media (max-width: 600px) { .intro__stages { bottom: 74px; } .intro__message .btn { width: 100%; } .intro__wordmark { letter-spacing: .18em; font-size: .8rem; white-space: nowrap; } }

/* ---------- servicios ---------- */
.services { padding: clamp(88px, 12vw, 160px) 0 clamp(64px, 8vw, 110px); }
.section-head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }
.services__list { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
.service { position: relative; padding: 32px 0 34px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 56px 1fr; column-gap: 18px; }
.service__num { font-size: .72rem; letter-spacing: .2em; color: var(--sand-d); grid-row: span 3; padding-top: 6px; }
.service__icon { width: 40px; height: 40px; fill: none; stroke: var(--ink); stroke-width: 1.2; margin-bottom: 18px; transition: transform .6s var(--ease); }
.service h3 { font-family: var(--serif); font-size: var(--fs-h3); line-height: 1.15; margin-bottom: 10px; }
.service p { color: var(--muted); max-width: 30em; }
.service::after { content: ''; position: absolute; left: 0; bottom: -1px; height: 1px; width: 100%; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .8s var(--ease); }
.service:hover::after { transform: scaleX(1); }
.service:hover .service__icon { transform: translateY(-4px); }
@media (min-width: 720px) { .services__list { grid-template-columns: 1fr 1fr; column-gap: 48px; } }
@media (min-width: 1100px) {
  .services__list { grid-template-columns: repeat(4, 1fr); column-gap: 0; border-top: 0; }
  .service { grid-template-columns: 1fr; padding: 34px 32px 44px; border-bottom: 0; border-left: 1px solid var(--line); }
  .service:last-child { border-right: 1px solid var(--line); }
  .service__num { grid-row: auto; margin-bottom: 26px; }
  .service::after { bottom: auto; top: 0; }
}

/* ---------- 2 · SOBRE MÍ ---------- */
.about { padding: clamp(80px, 11vw, 150px) 0; background: var(--paper-2); overflow: hidden; }
.about__grid { display: grid; gap: 48px; align-items: center; }
.about__photo { margin: 0; position: relative; }
.about__frame { position: relative; overflow: hidden; aspect-ratio: 4 / 5; background: var(--paper-3); }
.about__frame picture { display: block; height: 100%; }
.about__frame img { width: 100%; height: 112%; object-fit: cover; transform: translateY(var(--py, 0)); }
.about__photo::before { content: ''; position: absolute; top: 24px; right: -16px; left: 24px; aspect-ratio: 4 / 5; border: 1px solid var(--sand); z-index: -1; }
.about__photo { isolation: isolate; }
.about__photo figcaption { margin-top: 40px; font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.about__sign { margin-top: 28px; font-family: var(--serif); font-style: italic; font-size: 1.35rem; color: var(--ink-2); }
.about .lead { color: var(--ink-2); }
@media (min-width: 900px) {
  .about__grid { grid-template-columns: 5fr 6fr; gap: clamp(48px, 7vw, 120px); }
  .about__photo { margin-top: -20px; }
  .about__text { padding-bottom: 60px; }
}

.pillars { display: grid; gap: 0; margin-top: clamp(64px, 9vw, 120px); }
.pillar { position: relative; padding: 34px 0; border-top: 1px solid var(--line); transition: background-color .5s var(--ease); }
.pillar__num { font-family: var(--serif); font-style: italic; font-size: 1.2rem; color: var(--sand-d); }
.pillar h3 { font-family: var(--serif); font-size: var(--fs-h3); margin: 8px 0 12px; }
.pillar p, .process li { color: var(--muted); }
.process { counter-reset: p; display: grid; gap: 8px; }
.process li { counter-increment: p; position: relative; padding-left: 34px; }
.process li::before { content: '0' counter(p); position: absolute; left: 0; top: 3px; font-size: .7rem; letter-spacing: .1em; color: var(--sand-d); }
.process strong { color: var(--ink); font-weight: 600; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { padding: 6px 12px; border: 1px solid var(--line); font-size: .8rem; color: var(--ink-2); transition: background-color .3s, color .3s, border-color .3s; }
.tags li:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
@media (min-width: 720px) {
  .pillars { grid-template-columns: 1fr 1fr; column-gap: 48px; }
}
@media (min-width: 1100px) {
  .pillars { grid-template-columns: repeat(4, 1fr); column-gap: 0; }
  .pillar { padding: 40px 30px 46px; border-top: 0; border-left: 1px solid var(--line); }
  .pillar:hover { background: var(--paper); }
  .pillar:nth-child(even) { transform: translateY(48px); }
  .pillar:nth-child(even).reveal.is-in { transform: translateY(48px); }
}

/* ---------- 3 · PROYECTOS ---------- */
.projects { padding: clamp(88px, 12vw, 170px) 0 clamp(80px, 10vw, 140px); }
.projects__head { display: grid; gap: 20px; align-items: end; margin-bottom: 36px; }
.projects__intro { color: var(--muted); max-width: 32em; }
.demo-badge { display: inline-flex; align-items: center; gap: 8px; margin-top: 12px; font-size: .72rem; letter-spacing: .08em; color: var(--sand-d); }
.demo-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--sand); flex: none; }
.projects__intro .demo-badge { display: flex; }
@media (min-width: 900px) { .projects__head { grid-template-columns: 1fr 1fr; } .projects__intro { justify-self: end; } }

.filters { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; margin: 0 calc(var(--gutter) * -1) 32px; padding-inline: var(--gutter); scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.filters::-webkit-scrollbar { display: none; }
.filter { flex: none; min-height: 44px; padding: 10px 18px; border: 1px solid var(--line); background: transparent; border-radius: 40px; cursor: pointer;
  font-size: .8rem; font-weight: 500; letter-spacing: .04em; color: var(--ink-2); transition: background-color .35s var(--ease), color .35s var(--ease), border-color .35s; }
.filter:hover { border-color: var(--ink); }
.filter[aria-pressed='true'] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.filter sup { font-size: .62rem; margin-left: 4px; opacity: .6; }
@media (min-width: 900px) { .filters { flex-wrap: wrap; overflow: visible; margin-inline: 0; padding-inline: 0; } }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 14px; }
.card { position: relative; min-width: 0; transition: opacity .5s var(--ease), transform .6s var(--ease); }
.card.is-hiding { opacity: 0; transform: translateY(16px); }
.card__btn { display: flex; flex-direction: column; width: 100%; height: 100%; padding: 0; border: 0; background: none; color: inherit; text-align: left; cursor: pointer; }
.card__media { position: relative; overflow: hidden; aspect-ratio: 4 / 3; background: var(--paper-3); }
.card__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); transition: transform 1.4s var(--ease), filter .8s; }
.card--plan .card__media { background: #fbfaf7; box-shadow: inset 0 0 0 1px var(--line); }
.card--plan .card__media img { object-fit: contain; padding: 6%; transform: none; }
.card__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(18, 18, 17, .45)); opacity: 0; transition: opacity .6s; }
.card__open { position: absolute; right: 12px; bottom: 12px; z-index: 1; display: none; align-items: center; gap: 10px; padding: 9px 14px; background: var(--paper); color: var(--ink);
  font-size: .66rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; transform: translateY(10px); opacity: 0; transition: transform .5s var(--ease), opacity .5s; }
.card__tag { position: absolute; left: 8px; top: 8px; z-index: 1; padding: 4px 8px; background: rgba(244, 241, 236, .92); font-size: .54rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); max-width: calc(100% - 16px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card__body { display: grid; grid-template-columns: auto 1fr; column-gap: 10px; padding-top: 12px; }
.card__idx { font-size: .66rem; letter-spacing: .14em; color: var(--sand-d); padding-top: 6px; }
.card__title { font-family: var(--serif); font-weight: 500; font-size: clamp(1.12rem, 1rem + .6vw, 1.55rem); line-height: 1.12; }
.card__type { font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: 5px; }
.card__summary { display: none; grid-column: 2; margin-top: 8px; color: var(--muted); font-size: .9rem; line-height: 1.5; }
.card__more { display: none; }
.card__btn:hover .card__media img, .card__btn:focus-visible .card__media img { transform: scale(1.06); }
.card--plan .card__btn:hover .card__media img { transform: scale(1.03); }
.card__btn:hover .card__media::after, .card__btn:focus-visible .card__media::after { opacity: 1; }
.card__btn:hover .card__open, .card__btn:focus-visible .card__open { transform: none; opacity: 1; }
/* proyecto destacado (el real del estudio) */
.card--feat { grid-column: 1 / -1; }
.card--feat .card__media { aspect-ratio: 16 / 10; }
.card--feat .card__tag { left: 12px; top: 12px; font-size: .62rem; padding: 5px 10px; }
.card--feat .card__title { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.6rem); }
.card--feat .card__summary { display: block; }
.card--feat .card__more { display: inline-flex; grid-column: 2; margin-top: 14px; font-size: .72rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; border-bottom: 1px solid currentColor; padding-bottom: 4px; width: fit-content; }
@media (min-width: 640px) {
  .grid { gap: 48px 24px; }
  .card__tag { left: 12px; top: 12px; font-size: .6rem; padding: 5px 10px; }
  .card__open { display: inline-flex; }
  .card__summary { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
}
@media (min-width: 1000px) { .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1280px) { .grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 56px 28px; } }
@media (min-width: 900px) {
  .card--feat .card__btn { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 4vw, 64px); align-items: center; }
  .card--feat .card__body { padding-top: 0; }
  .card--feat .card__summary { -webkit-line-clamp: unset; display: block; font-size: 1rem; }
}
@media (max-width: 639px) { .card__type { font-size: .6rem; letter-spacing: .06em; } }
@media (hover: none) { .card__open { opacity: 1; transform: none; } }

/* ---------- modal de proyecto ---------- */
.modal { width: 100%; max-width: none; height: 100%; max-height: none; margin: 0; padding: 0; border: 0; background: var(--paper); color: var(--ink); overflow: hidden; }
.modal::backdrop { background: rgba(18, 18, 17, .7); }
.modal[open] { animation: modalIn .7s var(--ease) both; }
.modal.is-closing { animation: modalOut .45s var(--ease-io) both; }
@keyframes modalIn { from { opacity: 0; clip-path: inset(8% 0 0 0); } to { opacity: 1; clip-path: inset(0 0 0 0); } }
@keyframes modalOut { to { opacity: 0; transform: translateY(20px); } }
.modal__inner { height: 100%; overflow-y: auto; overscroll-behavior: contain; display: grid; grid-template-rows: auto 1fr; }
.modal__close { position: fixed; right: 12px; top: 12px; z-index: 5; width: 48px; height: 48px; border-radius: 50%; border: 0; background: var(--paper); color: var(--ink); cursor: pointer; display: grid; place-items: center; box-shadow: 0 4px 18px rgba(0, 0, 0, .15); transition: transform .4s var(--ease); }
.modal__close:hover { transform: rotate(90deg); }
.modal__close svg, .lightbox__close svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.modal__gallery { background: #1d1d1c; min-width: 0; }
.stage { position: relative; height: min(62vh, 70vw); min-height: 260px; overflow: hidden; touch-action: pan-y; user-select: none; -webkit-user-select: none; }
.stage:focus-visible { outline-offset: -3px; }
.stage__track { position: absolute; inset: 0; }
.stage__slide { position: absolute; inset: 0; opacity: 0; transition: opacity .8s var(--ease), transform 1.2s var(--ease); transform: scale(1.03); }
.stage__slide.is-active { opacity: 1; transform: scale(1); }
.stage__slide img { width: 100%; height: 100%; object-fit: contain; background: #1d1d1c; cursor: zoom-in; }
.stage__nav { position: absolute; top: 50%; z-index: 2; width: 48px; height: 48px; margin-top: -24px; border: 0; border-radius: 50%; background: rgba(244, 241, 236, .92); color: var(--ink); cursor: pointer; display: grid; place-items: center; transition: transform .3s var(--ease), background-color .3s; }
.stage__nav svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.stage__nav:hover { background: var(--paper); transform: scale(1.06); }
.stage__nav--prev { left: 12px; } .stage__nav--next { right: 12px; }
.stage__zoom { position: absolute; right: 12px; bottom: 12px; z-index: 2; display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 8px 14px; border: 0; background: rgba(28, 28, 27, .75); color: var(--paper); cursor: pointer; font-size: .68rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.stage__zoom svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.stage__meta { position: absolute; left: 14px; bottom: 14px; z-index: 2; display: flex; gap: 12px; align-items: center; color: var(--paper); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; text-shadow: 0 1px 8px rgba(0, 0, 0, .5); }
.stage__meta span:first-child { background: rgba(28, 28, 27, .75); padding: 6px 10px; text-shadow: none; }
.thumbs { display: flex; gap: 8px; padding: 10px 12px 12px; overflow-x: auto; scrollbar-width: thin; }
.thumb { flex: none; width: 92px; height: 60px; padding: 0; border: 1px solid transparent; background: none; cursor: pointer; opacity: .5; transition: opacity .3s, border-color .3s; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb[aria-selected='true'] { opacity: 1; border-color: var(--sand); }
.thumb:hover { opacity: .9; }
.modal__info { padding: 32px var(--gutter) 48px; }
.modal__title { font-family: var(--serif); font-size: clamp(2.2rem, 1.6rem + 2.4vw, 3.6rem); line-height: 1.02; }
.modal__desc { margin-top: 18px; color: var(--muted); max-width: 40em; }
.modal__facts { margin: 26px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px 24px; border-top: 1px solid var(--line); padding-top: 20px; }
.modal__facts div { min-width: 0; }
.modal__facts dt { font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; color: var(--sand-d); }
.modal__facts dd { margin: 4px 0 0; font-size: .95rem; }
.modal__sub { font-size: .72rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 12px; }
.modal__features { display: grid; gap: 8px; margin-bottom: 32px; }
.modal__features li { position: relative; padding-left: 22px; color: var(--ink-2); }
.modal__features li::before { content: ''; position: absolute; left: 0; top: .8em; width: 12px; height: 1px; background: var(--sand-d); }
@media (min-width: 1000px) {
  .modal__inner { grid-template-rows: none; grid-template-columns: minmax(0, 1fr) 440px; overflow: hidden; }
  .modal__gallery { display: flex; flex-direction: column; height: 100%; }
  .stage { flex: 1; height: auto; }
  .modal__info { overflow-y: auto; padding: 90px 44px 48px; }
  .modal__close { right: 24px; top: 24px; }
}

.lightbox { position: absolute; inset: 0; z-index: 10; background: #121211; display: grid; place-items: center; overflow: hidden; touch-action: pinch-zoom; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 100%; max-height: 100%; width: 100%; height: 100%; object-fit: contain; cursor: zoom-in; transition: transform .5s var(--ease); }
.lightbox.is-zoomed img { transform: scale(2.2); cursor: zoom-out; }
.lightbox__close { position: absolute; right: 12px; top: 12px; width: 48px; height: 48px; border: 0; border-radius: 50%; background: var(--paper); color: var(--ink); cursor: pointer; display: grid; place-items: center; }
.lightbox__hint { position: absolute; left: 0; right: 0; bottom: 14px; text-align: center; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(244, 241, 236, .6); pointer-events: none; }

/* ---------- 4 · CONTACTO ---------- */
.contact { padding: clamp(88px, 12vw, 160px) 0; background: var(--ink); color: var(--paper); }
.contact .lead { color: var(--cement-l); }
.contact__grid { display: grid; gap: 56px; }
.contact__info { margin-top: 40px; display: grid; gap: 18px; }
.contact__info li { display: grid; gap: 2px; }
.contact__info span { font-size: .66rem; letter-spacing: .22em; text-transform: uppercase; color: var(--sand); }
.contact__info a { text-decoration: none; font-size: 1.05rem; background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size .5s var(--ease); width: fit-content; overflow-wrap: anywhere; }
.contact__info a:hover { background-size: 100% 1px; }
.contact__info p { color: var(--cement-l); }
.social { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 10px; }
.social a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 16px; border: 1px solid var(--line-light); text-decoration: none; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; transition: background-color .3s, color .3s; }
.social a:hover { background: var(--paper); color: var(--ink); }
.soc-ic { flex: none; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; }
.soc-ic svg { width: 18px; height: 18px; }
.soc-ic--instagram { background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285aeb 90%); }
.soc-ic--facebook { background: #1877f2; border-radius: 50%; }
.social a.social__link { gap: 10px; padding: 6px 16px 6px 7px; }
.footer__contact a.foot-soc { display: inline-flex; align-items: center; gap: 10px; }
.footer__contact .soc-ic { width: 26px; height: 26px; border-radius: 7px; }
.footer__contact .soc-ic--facebook { border-radius: 50%; }
.footer__contact .soc-ic svg { width: 16px; height: 16px; }
@media (min-width: 960px) { .contact__grid { grid-template-columns: 5fr 6fr; gap: clamp(56px, 8vw, 120px); } }
.contact__quick { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; }
.contact__info a br { display: block; }
.contact__map { margin-top: clamp(56px, 8vw, 96px); border: 1px solid var(--line-light); }
.map__frame { position: relative; height: clamp(260px, 42vw, 420px); background: #2b2b29; }
.map__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: grayscale(1) contrast(1.05); transition: filter .5s var(--ease); }
.map__open { position: absolute; inset: 0; display: flex; align-items: flex-end; justify-content: flex-end; padding: 16px; text-decoration: none; }
.map__open span { padding: 10px 16px; background: var(--paper); color: var(--ink); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; box-shadow: 0 6px 20px rgba(0,0,0,.25); }
.map__open:hover + iframe, .map__frame:hover iframe { filter: none; }
.map__open:focus-visible { outline: 2px solid var(--paper); outline-offset: -6px; }
.map__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; padding: 22px clamp(18px, 3vw, 28px); }
.map__bar p { color: var(--cement-l); line-height: 1.5; }
.map__bar p span { display: block; font-size: .66rem; letter-spacing: .22em; text-transform: uppercase; color: var(--sand); margin-bottom: 4px; }
.map__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.footer__contact { display: grid; gap: 10px; font-style: normal; font-size: .9rem; line-height: 1.45; }
.footer__contact a { text-decoration: none; overflow-wrap: anywhere; }
.footer__contact a:hover { color: var(--paper); }

.form { background: var(--paper); color: var(--ink); padding: clamp(24px, 4vw, 48px); display: grid; gap: 22px; }
.field { display: grid; gap: 8px; border: 0; margin: 0; padding: 0; min-width: 0; }
.field-row { display: grid; gap: 22px; }
@media (min-width: 640px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field label, .field legend { font-size: .7rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-2); padding: 0; }
.field legend { margin-bottom: 8px; }
.optional { font-weight: 400; letter-spacing: .06em; text-transform: none; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 2px; border: 0; border-bottom: 1px solid var(--cement-l); background: transparent; border-radius: 0;
  font-size: 1rem; transition: border-color .3s, box-shadow .3s; -webkit-appearance: none; appearance: none;
}
.field select { background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-position: calc(100% - 14px) 50%, calc(100% - 9px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 28px; }
.field textarea { resize: vertical; min-height: 120px; line-height: 1.5; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 1px 0 var(--ink); }
.field [aria-invalid='true'] { border-color: var(--danger); box-shadow: 0 1px 0 var(--danger); }
.field__error { min-height: 0; font-size: .82rem; color: var(--danger); }
.field__error:empty { display: none; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { position: relative; cursor: pointer; }
.chips input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chips span { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 16px; border: 1px solid var(--cement-l); border-radius: 40px; font-size: .88rem; transition: background-color .3s, color .3s, border-color .3s; }
.chips label:hover span { border-color: var(--ink); }
.chips input:checked + span { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chips input:focus-visible + span { outline: 2px solid var(--sand-d); outline-offset: 2px; }
.chips.is-invalid span { border-color: var(--danger); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__status { font-size: .95rem; }
.form__status:empty { display: none; }
.form__status { padding: 16px 18px; border-left: 2px solid var(--ink); background: var(--paper-2); }
.form__status.is-ok { border-color: var(--ok); }
.form__status.is-error { border-color: var(--danger); }
.form__status.is-warn { border-color: var(--sand-d); }
.form__status strong { display: block; margin-bottom: 4px; }
.form__status .actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.form__status .actions a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 14px; background: var(--ink); color: var(--paper); text-decoration: none; font-size: .74rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }

/* ---------- pie ---------- */
.site-footer { background: #121211; color: var(--cement-l); padding: 72px 0 calc(28px + env(safe-area-inset-bottom)); }
.footer__grid { display: grid; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(244, 241, 236, .1); }
.footer__mark { width: 110px; stroke: var(--paper); }
.footer__name { margin-top: 18px; font-family: var(--serif); letter-spacing: .26em; text-transform: uppercase; color: var(--paper); font-size: .95rem; }
.footer__bars { display: flex; gap: 6px; margin-top: 16px; width: 200px; }
.footer__bars span { height: 2px; flex: 1.2; background: var(--paper); }
.footer__bars span:nth-child(2) { flex: 1; background: var(--cement); }
.footer__bars span:nth-child(3) { flex: 1; background: #5c5a56; }
.footer__claim { font-family: var(--serif); font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.4rem); line-height: 1.15; color: var(--paper); }
.footer__nav { display: grid; gap: 4px; }
.footer__nav a { display: inline-block; padding: 8px 0; text-decoration: none; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; }
.footer__nav a:hover { color: var(--paper); }
.footer__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding-top: 24px; font-size: .78rem; }
@media (min-width: 900px) { .footer__grid { grid-template-columns: 1.1fr 1.2fr 1fr .6fr; align-items: start; } }

/* ---------- WhatsApp y aviso ---------- */
.whatsapp { position: fixed; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); z-index: 80; width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center; background: #1f9d55; color: #fff; box-shadow: 0 10px 28px rgba(0, 0, 0, .22); transition: transform .4s var(--ease), opacity .4s; }
.whatsapp svg { width: 28px; height: 28px; fill: currentColor; }
.whatsapp:hover { transform: translateY(-3px) scale(1.04); }
.whatsapp::after { content: ''; position: absolute; inset: 0; border-radius: 50%; border: 1px solid #1f9d55; animation: ping 2.8s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(1); opacity: .7; } 70%, 100% { transform: scale(1.5); opacity: 0; } }
.intro-on .whatsapp { opacity: 0; pointer-events: none; }
.call-fab { position: fixed; right: calc(max(16px, env(safe-area-inset-right)) + 4px); bottom: calc(max(16px, env(safe-area-inset-bottom)) + 68px); z-index: 80; width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center; background: var(--ink); color: var(--paper); border: 1px solid rgba(244, 241, 236, .3); box-shadow: 0 10px 28px rgba(0, 0, 0, .22); transition: transform .4s var(--ease), opacity .4s; }
.call-fab svg { width: 22px; height: 22px; fill: currentColor; }
.call-fab__label { position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%); white-space: nowrap; min-height: 36px; display: flex; align-items: center; padding: 8px 14px;
  background: #fff; color: var(--ink); border-radius: 999px; font: 700 .7rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; box-shadow: 0 12px 32px rgba(0, 0, 0, .2); }
.call-fab:hover { transform: translateY(-3px) scale(1.05); }
.intro-on .call-fab, .menu-open .call-fab, .assist-open .call-fab { opacity: 0; pointer-events: none; }
.toast { position: fixed; left: 50%; bottom: 88px; z-index: 150; max-width: min(92vw, 420px); padding: 14px 18px; background: var(--ink); color: var(--paper); font-size: .9rem;
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none; transition: opacity .4s, transform .4s var(--ease); }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ---------- asistente de cita y cotización ---------- */
.assist-tag { position: fixed; right: calc(max(16px, env(safe-area-inset-right)) + 68px); bottom: calc(max(16px, env(safe-area-inset-bottom)) + 4px); z-index: 80;
  display: flex; align-items: center; gap: 10px; padding: 6px 16px 6px 6px; border: 0; border-radius: 999px; background: #fff; color: var(--ink); cursor: pointer; text-align: left;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .2); opacity: 0; transform: translateX(12px); pointer-events: none; transition: opacity .5s var(--ease), transform .5s var(--ease), box-shadow .3s; }
.assist-tag:hover { box-shadow: 0 16px 40px rgba(0, 0, 0, .28); transform: translateY(-2px); }
.assist-tag.is-on { opacity: 1; transform: none; pointer-events: auto; }
.assist-tag__av, .assist__av { position: relative; flex: none; width: 38px; height: 38px; border-radius: 50%; }
.assist-tag__av img, .assist__av img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; display: block; }
.assist-tag__av i, .assist__av i { position: absolute; right: -1px; bottom: -1px; width: 11px; height: 11px; border-radius: 50%; background: #25d366; border: 2px solid #fff; }
.assist-tag__txt { display: grid; line-height: 1.15; }
.assist-tag__txt strong { font: 700 .74rem var(--sans); letter-spacing: .14em; text-transform: uppercase; }
.assist-tag__txt small { font-size: .7rem; color: var(--cement); margin-top: 3px; }
.intro-on .assist-tag, .assist-open .assist-tag, .menu-open .assist-tag, .menu-open .whatsapp { opacity: 0; pointer-events: none; }
.assist { position: fixed; z-index: 160; right: max(16px, env(safe-area-inset-right)); bottom: calc(max(16px, env(safe-area-inset-bottom)) + 68px);
  width: min(410px, calc(100vw - 32px)); height: min(640px, calc(100dvh - 120px)); display: flex; flex-direction: column; overflow: hidden;
  background: var(--paper); color: var(--ink); border-radius: 18px; box-shadow: 0 30px 80px rgba(0, 0, 0, .35), 0 0 0 1px rgba(0, 0, 0, .04);
  opacity: 0; transform: translateY(16px) scale(.97); transform-origin: bottom right; transition: opacity .3s var(--ease), transform .4s var(--ease); }
.assist.is-on { opacity: 1; transform: none; }
.assist__head { position: relative; display: flex; align-items: center; gap: 12px; padding: 16px 12px 18px 18px; color: var(--paper);
  background: linear-gradient(135deg, #1c1c1b 0%, #2c2a26 60%, #3a3428 100%); }
.assist__av { width: 46px; height: 46px; box-shadow: 0 0 0 2px rgba(205, 187, 156, .7); }
.assist__av i { border-color: #2c2a26; }
.assist__who { min-width: 0; }
.assist__title { font-family: var(--serif); font-size: 1.28rem; line-height: 1.1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.assist__sub { font-size: .72rem; letter-spacing: .06em; color: var(--sand); margin-top: 3px; }
.assist__close { margin-left: auto; flex: none; width: 40px; height: 40px; border: 0; border-radius: 50%; background: rgba(244, 241, 236, .08); color: inherit; cursor: pointer; display: grid; place-items: center; transition: background-color .25s; }
.assist__close svg, .assist__send svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.assist__close:hover { background: rgba(244, 241, 236, .18); }
.assist__progress { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: rgba(244, 241, 236, .1); }
.assist__progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--sand-d), var(--sand)); transition: width .6s var(--ease); }
.assist__log { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: 18px 16px 10px; display: flex; flex-direction: column; gap: 10px;
  background: radial-gradient(circle at 100% 0, rgba(205, 187, 156, .14), transparent 55%), var(--paper); }
.assist__msg { max-width: 86%; padding: 11px 15px; font-size: .92rem; line-height: 1.45; border-radius: 16px; }
.assist__msg--bot { align-self: flex-start; background: #fff; border-bottom-left-radius: 4px; box-shadow: 0 2px 10px rgba(28, 28, 27, .06); }
.assist__msg--me { align-self: flex-end; background: var(--ink); color: var(--paper); border-bottom-right-radius: 4px; }
.assist__msg.is-new, .assist__summary.is-new, .assist__typing { animation: assistIn .45s var(--ease) both; }
@keyframes assistIn { from { opacity: 0; transform: translateY(8px); } }
.assist__typing { align-self: flex-start; display: flex; gap: 5px; padding: 14px 16px; background: #fff; border-radius: 16px; border-bottom-left-radius: 4px; box-shadow: 0 2px 10px rgba(28, 28, 27, .06); }
.assist__typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--cement); animation: assistDot 1s infinite ease-in-out; }
.assist__typing span:nth-child(2) { animation-delay: .15s; } .assist__typing span:nth-child(3) { animation-delay: .3s; }
@keyframes assistDot { 0%, 80%, 100% { transform: translateY(0); opacity: .4; } 40% { transform: translateY(-4px); opacity: 1; } }
.assist__summary { background: #fff; border-radius: 14px; padding: 14px 16px; box-shadow: 0 2px 12px rgba(28, 28, 27, .07); border-top: 3px solid var(--sand); }
.assist__summary-h { font-size: .64rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--sand-d); margin-bottom: 8px; }
.assist__summary dl { display: grid; gap: 7px; margin: 0; }
.assist__summary dl div { display: grid; grid-template-columns: 96px 1fr; gap: 10px; font-size: .84rem; line-height: 1.4; }
.assist__summary dt { color: var(--cement); }
.assist__summary dd { margin: 0; color: var(--ink); font-weight: 500; }
.assist__controls { padding: 12px 16px 8px; border-top: 1px solid var(--line); background: var(--paper); display: grid; gap: 10px; max-height: 52%; overflow-y: auto; transition: opacity .25s; }
.assist__controls.is-wait { opacity: .35; pointer-events: none; }
.assist__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.assist__chip { min-height: 40px; padding: 8px 15px; border: 1px solid rgba(28, 28, 27, .3); border-radius: 999px; background: #fff; color: var(--ink); font: 500 .86rem/1.2 var(--sans); cursor: pointer; transition: background-color .25s, color .25s, border-color .25s, transform .2s; text-align: left; }
.assist__chip:hover, .assist__chip:focus-visible { background: var(--ink); border-color: var(--ink); color: var(--paper); transform: translateY(-1px); }
.assist__cards { display: grid; gap: 8px; }
.assist__card { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border: 1px solid transparent; border-radius: 12px; background: #fff; color: var(--ink); cursor: pointer; text-align: left;
  box-shadow: 0 2px 10px rgba(28, 28, 27, .06); transition: border-color .25s, transform .2s, box-shadow .25s; font-family: var(--sans); }
.assist__card:hover, .assist__card:focus-visible { border-color: var(--ink); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(28, 28, 27, .1); }
.assist__card-ic { flex: none; width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(205, 187, 156, .28); color: var(--sand-d); }
.assist__card-ic svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linejoin: round; stroke-linecap: round; }
.assist__card-tx { display: grid; gap: 2px; }
.assist__card strong { font-size: .92rem; font-weight: 600; }
.assist__card small { font-size: .76rem; color: var(--cement); line-height: 1.3; }
.assist__card--alt { background: transparent; box-shadow: none; border: 1px dashed rgba(28, 28, 27, .3); }
.assist__card--alt .assist__card-ic { background: rgba(28, 28, 27, .06); color: var(--ink-2); }
.assist__form { display: flex; gap: 8px; align-items: flex-end; }
.assist__form input, .assist__form textarea { flex: 1; min-width: 0; min-height: 46px; padding: 11px 14px; border: 1px solid rgba(28, 28, 27, .2); border-radius: 12px; background: #fff; color: var(--ink); font: 400 16px/1.4 var(--sans); resize: none; }
.assist__form input:focus, .assist__form textarea:focus { outline: none; border-color: var(--ink); }
.assist__form input[aria-invalid="true"] { border-color: #a33; }
.assist__form--small input { min-height: 42px; }
.assist__send { flex: none; width: 46px; height: 46px; border: 0; border-radius: 12px; background: var(--ink); color: var(--paper); cursor: pointer; display: grid; place-items: center; }
.assist__form--small .assist__send { width: 42px; height: 42px; }
.assist__row { display: flex; justify-content: space-between; gap: 12px; }
.assist__back, .assist__skip { min-height: 34px; padding: 6px 2px; border: 0; background: none; color: var(--cement); font: 500 .78rem var(--sans); letter-spacing: .06em; cursor: pointer; }
.assist__back:hover, .assist__skip:hover { color: var(--ink); }
.assist__skip { margin-left: auto; }
.assist__wa, .assist__mail { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 12px 18px; border-radius: 12px; text-decoration: none; font: 700 .8rem var(--sans); letter-spacing: .1em; text-transform: uppercase; cursor: pointer; transition: transform .2s, box-shadow .25s, background-color .25s; }
.assist__wa { background: #25d366; color: #0b3d1f; box-shadow: 0 10px 24px rgba(37, 211, 102, .35); }
.assist__wa:hover { transform: translateY(-1px); background: #2ee06f; }
.assist__wa svg { width: 22px; height: 22px; fill: currentColor; }
.assist__mail { min-height: 46px; border: 1px solid var(--ink); background: transparent; color: var(--ink); }
.assist__mail:hover { background: var(--ink); color: var(--paper); }
.assist__mail svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.assist__foot { display: flex; justify-content: center; gap: 18px; padding: 8px 16px 12px; background: var(--paper); font-size: .74rem; }
.assist__foot a, .assist__foot button { padding: 4px 0; border: 0; background: none; color: var(--cement); font: inherit; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.assist__foot a:hover, .assist__foot button:hover { color: var(--ink); }
@media (max-width: 600px) {
  .assist { left: 0; right: 0; bottom: 0; width: 100%; height: min(90dvh, 680px); border-radius: 18px 18px 0 0; padding-bottom: env(safe-area-inset-bottom); transform-origin: bottom center; }
  .assist-open .whatsapp { opacity: 0; pointer-events: none; }
  .assist-tag__txt small { display: none; }
}

/* ---------- cotización (formulario) ---------- */
.quote { padding: clamp(88px, 12vw, 160px) 0; background: var(--paper-2); }
.quote__grid { display: grid; gap: 48px; }
.quote .form { background: #fff; box-shadow: 0 24px 60px rgba(28, 28, 27, .08); }
.quote__steps { margin-top: 36px; display: grid; gap: 16px; counter-reset: none; }
.quote__steps li { display: grid; grid-template-columns: 44px 1fr; gap: 12px; align-items: baseline; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.quote__steps span { font-size: .72rem; letter-spacing: .2em; color: var(--sand-d); font-weight: 600; }
.quote__alt { margin-top: 32px; color: var(--ink-2); }
.link-btn { padding: 0; border: 0; background: none; color: var(--ink); font: inherit; font-weight: 600; text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }
.link-btn:hover { color: var(--sand-d); }
@media (min-width: 960px) { .quote__grid { grid-template-columns: 5fr 6fr; gap: clamp(56px, 8vw, 120px); align-items: start; } .quote__intro { position: sticky; top: calc(var(--header-h) + 32px); } }
.quote--page { padding-top: calc(var(--header-h) + clamp(48px, 7vw, 96px)); min-height: 100vh; }
.quote--page .quote__extra .quote__steps { margin-top: 0; }
@media (min-width: 960px) {
  .quote--page .quote__grid { grid-template-rows: auto 1fr; row-gap: 40px; }
  .quote--page .quote__intro { position: static; grid-column: 1; grid-row: 1; }
  .quote--page .form { grid-column: 2; grid-row: 1 / span 2; }
  .quote--page .quote__extra { grid-column: 1; grid-row: 2; }
}
.quote__contact { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; }
.quote__contact .btn { --bg: transparent; --fg: var(--ink); --bd: rgba(28, 28, 27, .35); }
.quote__contact .btn:hover, .quote__contact .btn:focus-visible { color: var(--paper); }
.quote__contact .btn::before { background: var(--ink); }
.quote__back { margin-top: 28px; font-size: .82rem; }
.quote__back a { color: var(--muted); }
.quote-band { padding: clamp(80px, 10vw, 140px) 0; background: var(--paper-2); }
.quote-band__grid { display: grid; gap: 40px; }
.quote-band .quote__steps { margin-top: 0; }
.quote-band__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn--outline { --bg: transparent; --fg: var(--ink); --bd: var(--ink); }
.btn--outline:hover, .btn--outline:focus-visible { color: var(--paper); }
.btn--outline::before { background: var(--ink); }
@media (min-width: 960px) { .quote-band__grid { grid-template-columns: 5fr 6fr; gap: clamp(56px, 8vw, 120px); align-items: center; } }
.contact__place .eyebrow { margin-bottom: 14px; }
.contact__map-title { font-family: var(--serif); font-weight: 500; font-size: clamp(1.9rem, 1.4rem + 1.6vw, 2.8rem); line-height: 1.05; }
.contact__map-sub { margin-top: 10px; color: var(--cement-l); font-size: .92rem; }
.contact__place .contact__map { margin-top: 24px; }

/* ---------- aparición al desplazarse ---------- */
.js .reveal { opacity: 0; transform: translateY(34px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .services__list .reveal:nth-child(2), .js .pillars .reveal:nth-child(2) { transition-delay: .1s; }
.js .services__list .reveal:nth-child(3), .js .pillars .reveal:nth-child(3) { transition-delay: .2s; }
.js .services__list .reveal:nth-child(4), .js .pillars .reveal:nth-child(4) { transition-delay: .3s; }
.js .card.reveal .card__media { clip-path: inset(0 0 100% 0); transition: clip-path 1.3s var(--ease-io); }
.js .card.reveal.is-in .card__media { clip-path: inset(0 0 0 0); }

/* ---------- cursor personalizado (solo escritorio) ---------- */
.cursor { display: none; }
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .has-cursor .cursor { display: block; position: fixed; left: 0; top: 0; z-index: 400; width: 34px; height: 34px; margin: -17px 0 0 -17px; border: 1px solid var(--sand-d);
    border-radius: 50%; pointer-events: none; transition: width .35s var(--ease), height .35s var(--ease), margin .35s var(--ease), background-color .35s, opacity .3s; mix-blend-mode: multiply; opacity: 0; }
  .has-cursor .cursor.is-on { opacity: 1; }
  .has-cursor .cursor.is-link { width: 64px; height: 64px; margin: -32px 0 0 -32px; background: rgba(205, 187, 156, .28); }
  .has-cursor .cursor.is-view::after { content: 'Ver'; position: absolute; inset: 0; display: grid; place-items: center; font-size: .62rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink); }
  .has-cursor .cursor.is-view { width: 84px; height: 84px; margin: -42px 0 0 -42px; background: var(--paper); border-color: var(--paper); mix-blend-mode: normal; }
}

/* ---------- movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .js .reveal, .js .card.reveal .card__media { opacity: 1; transform: none; clip-path: none; }
  .hero__content > *, .hero .scroll-cue, .hero .hero__note { opacity: 1; transform: none; }
  .hero.is-zooming .hero__media img { animation: none; }
}
.has-cursor body:has(dialog[open]) .cursor { display: none; }
.hero__content { text-shadow: 0 1px 18px rgba(0, 0, 0, .35); }
.hero__content .eyebrow { color: #e3d6bf; }