/* REMEX Espacios Mexicanos — estilos */
:root {
  --cream: #f3efe7;
  --paper: #fbf9f5;
  --sand: #e9e2d5;
  --ink: #1c1b19;
  --ink-2: #3a3833;
  --muted: #6b665e;
  --line: #d9d1c3;
  --accent: #e5b53b;
  --accent-ink: #1c1b19;
  --terracota: #b4542d;
  --ok: #3d6b4f;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --r: 4px;
  --wrap: 1240px;
  --gut: clamp(16px, 4vw, 40px);
  --sec: clamp(64px, 9vw, 128px);
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--cream); color: var(--ink); font: 400 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: clip; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--terracota); outline-offset: 3px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: var(--r); }
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }
.narrow { max-width: 760px; }
.center { text-align: center; margin-top: 40px; }
.small { font-size: 13px; color: var(--muted); }

/* ---------- Tipografía ---------- */
.kicker { font: 600 12px/1.4 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin: 0 0 18px; display: flex; align-items: center; gap: 10px; }
.kicker::before { content: ""; width: 22px; height: 2px; background: var(--accent); flex: none; }
.h1, .h2, .h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -.015em; margin: 0; font-variation-settings: "opsz" 144; }
.h1 { font-size: clamp(40px, 6.2vw, 80px); line-height: 1.02; }
.h2 { font-size: clamp(32px, 4.4vw, 56px); line-height: 1.06; margin-bottom: 20px; }
.h3 { font-size: clamp(21px, 2vw, 26px); line-height: 1.2; }
.h1 em, .h2 em { font-style: italic; font-weight: 300; color: var(--ink-2); }
.lead { font-size: clamp(17px, 1.5vw, 19px); color: var(--ink-2); max-width: 560px; margin: 24px 0 0; }
p { margin: 0 0 14px; }

/* ---------- Botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 26px; border-radius: var(--r);
  font: 600 15px/1 var(--sans); text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: background .25s, color .25s, transform .25s, border-color .25s; }
.btn:hover { transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-accent:hover { background: #f0c552; }
.btn-ghost { border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-block { width: 100%; }
.arrow { font-weight: 600; font-size: 14px; text-decoration: none; display: inline-block; margin-top: 8px; transition: transform .25s; }
a:hover > .arrow, .arrow:hover { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(243, 239, 231, .92); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-in { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo-mark { width: 44px; height: 22px; }
.logo-txt { display: flex; flex-direction: column; line-height: 1; }
.logo-txt b { font: 700 19px/1 var(--sans); letter-spacing: .28em; }
.logo-txt small { font-size: 8.5px; letter-spacing: .32em; text-transform: uppercase; color: var(--muted); margin-top: 5px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav-list { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-list > li > a { font-size: 14px; font-weight: 500; text-decoration: none; padding: 8px 0; position: relative; }
.nav-list > li > a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 1.5px; background: var(--terracota); transform: scaleX(0); transform-origin: left; transition: transform .3s; }
.nav-list > li > a:hover::after, .nav-list a[aria-current]::after { transform: scaleX(1); }
.has-sub { position: relative; }
.sub { position: absolute; top: 100%; left: -20px; min-width: 300px; list-style: none; margin: 8px 0 0; padding: 10px; background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--r); box-shadow: 0 18px 40px rgba(28, 27, 25, .12); opacity: 0; visibility: hidden; transform: translateY(6px); transition: .2s; }
.sub::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }
.has-sub:hover .sub, .has-sub:focus-within .sub { opacity: 1; visibility: visible; transform: none; }
.sub a { display: block; padding: 9px 12px; font-size: 14px; text-decoration: none; border-radius: 3px; }
.sub a:hover, .sub a[aria-current] { background: var(--sand); }
.nav-cta { min-height: 42px; padding: 0 18px; font-size: 14px; }
.menu-btn { display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; position: relative; }
.menu-btn span:not(.sr) { position: absolute; left: 11px; right: 11px; height: 1.5px; background: var(--ink); transition: transform .3s, top .3s; }
.menu-btn span:nth-child(1) { top: 17px; } .menu-btn span:nth-child(2) { top: 26px; }
.menu-open .menu-btn span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.menu-open .menu-btn span:nth-child(2) { top: 21px; transform: rotate(-45deg); }

/* ---------- Migas ---------- */
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 18px 0 0; margin: 0; font-size: 13px; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin-right: 6px; color: var(--line); }
.crumbs a { text-decoration: none; } .crumbs a:hover { text-decoration: underline; }

/* ---------- Hero ---------- */
.hero { padding: clamp(28px, 5vw, 64px) 0 clamp(48px, 7vw, 96px); }
.hero-grid { display: grid; grid-template-columns: 1fr 1.08fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-media { margin: 0; position: relative; border-radius: var(--r); overflow: hidden; aspect-ratio: 4 / 4.4; background: var(--sand); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; animation: heroIn 1.4s cubic-bezier(.2, .7, .2, 1) both; }
.hero-media figcaption { position: absolute; left: 14px; bottom: 14px; background: rgba(251, 249, 245, .92); padding: 6px 12px; border-radius: 3px; font-size: 12px; font-weight: 600; letter-spacing: .04em; }
@keyframes heroIn { from { transform: scale(1.08); opacity: .4; } to { transform: none; opacity: 1; } }
.hero-facts { list-style: none; padding: 26px 0 0; margin: 38px 0 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; font-size: 13px; color: var(--muted); }
.hero-facts b { display: block; font: 500 17px/1.2 var(--serif); color: var(--ink); margin-bottom: 4px; }
.hero-short { padding-bottom: 24px; }
.hero-short .lead { max-width: 720px; }
.hero-svc .hero-media { aspect-ratio: 4 / 3.6; }
.zona-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 28px 0 0; }
.zona-tags li { border: 1px solid var(--line); border-radius: 99px; padding: 5px 13px; font-size: 13px; background: var(--paper); }
.zona-tags a { text-decoration: none; }

/* ---------- Secciones ---------- */
.section { padding: var(--sec) 0; }
.section-tight { padding-top: 24px; }
.section.alt { background: var(--paper); }
.section.dark { background: var(--ink); color: var(--cream); }
.section.dark .h2 em, .section.dark .h3 { color: var(--cream); }
.section.dark .kicker { color: #b9b2a5; }
.section.dark p { color: #cfc8bb; }
.sec-head { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: end; margin-bottom: 48px; }
.sec-head p { color: var(--muted); max-width: 460px; }

/* Servicios */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.svc-grid-3 { grid-template-columns: repeat(3, 1fr); margin-top: 32px; }
.svc-card { display: flex; flex-direction: column; text-decoration: none; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; transition: transform .35s, box-shadow .35s; }
.svc-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(28, 27, 25, .1); }
.svc-img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--sand); }
.svc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2, .7, .2, 1); }
.svc-card:hover .svc-img img { transform: scale(1.06); }
.svc-body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.svc-body p { font-size: 14px; color: var(--muted); margin: 10px 0 0; flex: 1; }
.svc-card-txt { background: var(--sand); border-color: transparent; }
.svc-card-txt .svc-body { justify-content: flex-end; }

/* Antes / después */
.ba-wrap { display: grid; grid-template-columns: .8fr 1.4fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.ba-wrap > div p { color: var(--muted); }
.ba-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 460px), 1fr)); gap: 28px; }
.ba { margin: 0; }
.ba figcaption { font-size: 13px; color: var(--muted); margin-top: 10px; }
.ba-frame { --p: 50%; position: relative; overflow: hidden; border-radius: var(--r); background: var(--sand); user-select: none; touch-action: pan-y; max-height: 78vh; }
.ba-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ba-before { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--p)) 0 0); }
.ba-line { position: absolute; top: 0; bottom: 0; left: var(--p); width: 2px; margin-left: -1px; background: var(--paper); pointer-events: none; }
.ba-knob { position: absolute; top: 50%; left: 50%; width: 46px; height: 46px; margin: -23px 0 0 -23px; border-radius: 50%; background: var(--paper); box-shadow: 0 6px 20px rgba(0, 0, 0, .25); }
.ba-knob::before, .ba-knob::after { content: ""; position: absolute; top: 50%; width: 0; height: 0; margin-top: -6px; border: 6px solid transparent; }
.ba-knob::before { left: 7px; border-right-color: var(--ink); } .ba-knob::after { right: 7px; border-left-color: var(--ink); }
.ba-tag { position: absolute; top: 14px; padding: 5px 11px; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; background: rgba(28, 27, 25, .78); color: #fff; border-radius: 3px; pointer-events: none; }
.ba-tag-l { left: 14px; } .ba-tag-r { right: 14px; background: var(--accent); color: var(--ink); }
.ba-range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; -webkit-appearance: none; appearance: none; }

/* Tarjetas de proyecto (home) */
.p-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.p-card { position: relative; display: block; aspect-ratio: 4 / 4.6; overflow: hidden; border-radius: var(--r); text-decoration: none; background: var(--sand); }
.p-card:nth-child(3n+2) { transform: translateY(36px); }
.p-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s cubic-bezier(.2, .7, .2, 1); }
.p-card:hover img { transform: scale(1.05); }
.p-card-txt { position: absolute; left: 0; right: 0; bottom: 0; padding: 60px 20px 18px; background: linear-gradient(transparent, rgba(20, 19, 17, .78)); color: #fff; }
.p-card-txt small { display: block; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; opacity: .85; }
.p-card-txt b { font: 400 24px/1.2 var(--serif); }

/* Proyecto con galería */
.project { padding: 44px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 2fr); gap: 40px; }
.project:first-of-type { border-top: 0; padding-top: 0; }
.project-head { position: sticky; top: calc(var(--header-h) + 20px); align-self: start; }
.project-head p { color: var(--muted); font-size: 15px; margin-top: 12px; }
.p-zona { display: inline-block; margin-top: 8px; font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--terracota); }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.g-item { position: relative; display: block; aspect-ratio: 1; overflow: hidden; border-radius: 3px; background: var(--sand); cursor: zoom-in; }
.g-wide { grid-column: span 2; grid-row: span 2; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2, .7, .2, 1); }
.g-item:hover img { transform: scale(1.05); }
.tag { position: absolute; left: 8px; top: 8px; font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: 4px 8px; border-radius: 2px; background: rgba(251, 249, 245, .92); }
.tag-antes { background: rgba(28, 27, 25, .82); color: #fff; }
.tag-terminado { background: var(--accent); }
.project.is-hidden { display: none; }
.inline-cta { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 28px 32px; margin-top: 40px; background: var(--ink); color: var(--cream); border-radius: var(--r); }
.inline-cta p { margin: 0; font: 400 26px/1.2 var(--serif); }

/* Chips filtro */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.chip { border: 1px solid var(--line); background: var(--paper); padding: 9px 16px; border-radius: 99px; font-size: 14px; cursor: pointer; transition: .2s; }
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* Qué incluye */
.incl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); }
.incl { list-style: none; padding: 0; margin: 28px 0 0; columns: 1; }
.incl li { padding: 14px 0 14px 34px; border-bottom: 1px solid var(--line); position: relative; }
.incl li::before { content: ""; position: absolute; left: 4px; top: 22px; width: 14px; height: 8px; border-left: 2px solid var(--terracota); border-bottom: 2px solid var(--terracota); transform: rotate(-45deg); }
.incl-text { display: grid; gap: 36px; align-content: start; padding-top: 8px; }
.incl-text .h3 { margin-bottom: 12px; }
.incl-text p { color: var(--ink-2); }

/* Pasos */
.steps { list-style: none; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid #3c3a35; }
.steps li { padding: 28px 28px 8px 0; border-right: 1px solid #3c3a35; margin-right: 28px; }
.steps li:last-child { border-right: 0; }
.step-n { display: block; font: 300 52px/1 var(--serif); color: var(--accent); margin-bottom: 18px; }
.steps .h3 { margin-bottom: 10px; }

/* Zonas */
.zonas-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 18px; align-items: stretch; }
.zonas-grid > div p { color: var(--muted); }
.zona-card { display: flex; flex-direction: column; text-decoration: none; padding: 28px; border: 1px solid var(--line); background: var(--paper); border-radius: var(--r); transition: transform .3s, box-shadow .3s; }
.zona-card:hover { transform: translateY(-4px); box-shadow: 0 18px 36px rgba(28, 27, 25, .08); }
.zona-card p { color: var(--muted); font-size: 14px; margin-top: 14px; flex: 1; }

/* FAQ */
.faq { background: var(--paper); }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 6vw, 96px); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; position: relative; font: 400 20px/1.3 var(--serif); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 4px; top: 18px; font: 300 28px/1 var(--sans); transition: transform .3s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--muted); padding-bottom: 20px; margin: 0; max-width: 620px; }

/* Formulario */
.cotizar { padding: var(--sec) 0; background: var(--sand); }
.cotizar-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.cotizar-copy > p { color: var(--ink-2); }
.checks { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 10px; }
.checks li { padding-left: 28px; position: relative; font-weight: 500; }
.checks li::before { content: ""; position: absolute; left: 2px; top: 7px; width: 12px; height: 7px; border-left: 2px solid var(--ok); border-bottom: 2px solid var(--ok); transform: rotate(-45deg); }
.cotizar-alt { margin-top: 28px; font-size: 15px; }
.cotizar-alt a { font-weight: 600; }
.form { background: var(--paper); padding: clamp(22px, 3.4vw, 40px); border-radius: var(--r); box-shadow: 0 30px 60px rgba(28, 27, 25, .08); display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { font-size: 13px; font-weight: 600; }
.opt { font-weight: 400; color: var(--muted); }
.field input, .field select, .field textarea { width: 100%; min-height: 50px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; font-size: 16px; transition: border-color .2s, box-shadow .2s; }
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(229, 181, 59, .35); }
.field .is-invalid { border-color: #b3261e; }
.consent { font-size: 13px; color: var(--muted); display: flex; gap: 10px; align-items: flex-start; }
.consent input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--ink); }
.form-error { color: #b3261e; font-size: 14px; margin: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form.is-sending button { opacity: .6; pointer-events: none; }

/* Legal / gracias */
.legal .h3 { margin: 32px 0 10px; }
.legal p { color: var(--ink-2); }
.thanks { padding: clamp(60px, 10vw, 140px) 0; }

/* Footer */
.site-footer { background: var(--ink); color: #cfc8bb; padding: 72px 0 28px; font-size: 14px; }
.site-footer .logo { color: var(--cream); }
.site-footer .logo-txt small { color: #9d968a; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-claim { font: 400 22px/1.3 var(--serif); color: var(--cream); margin-top: 22px; }
.footer-h { font: 600 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: #9d968a; margin: 6px 0 18px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.site-footer a { text-decoration: none; } .site-footer a:hover { color: var(--accent); }
.footer-base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid #34322e; margin-top: 56px; padding-top: 22px; font-size: 13px; color: #8f897e; }

/* WhatsApp flotante + barra móvil */
.wa-float { position: fixed; right: 22px; bottom: 22px; z-index: 40; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 30px rgba(0, 0, 0, .22); transition: transform .25s; }
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; }
.mobile-bar { display: none; }

/* Lightbox */
.lb { position: fixed; inset: 0; z-index: 90; background: rgba(16, 15, 13, .94); display: grid; grid-template-rows: 1fr auto; padding: 56px 16px 16px; opacity: 0; visibility: hidden; transition: opacity .25s; }
.lb.is-open { opacity: 1; visibility: visible; }
.lb-img { max-width: 100%; max-height: 100%; margin: auto; object-fit: contain; border-radius: 3px; }
.lb-cap { color: #ddd6ca; text-align: center; font-size: 14px; padding: 14px 60px 4px; }
.lb button { position: absolute; background: rgba(255, 255, 255, .1); color: #fff; border: 0; width: 48px; height: 48px; border-radius: 50%; cursor: pointer; font-size: 22px; line-height: 1; }
.lb button:hover { background: rgba(255, 255, 255, .22); }
.lb-close { top: 12px; right: 12px; }
.lb-prev { left: 12px; top: 50%; } .lb-next { right: 12px; top: 50%; }

/* Revelado al hacer scroll (solo si hay JS) */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s cubic-bezier(.2, .7, .2, 1), transform .8s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.is-in { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .svc-grid { grid-template-columns: repeat(3, 1fr); }
  .nav-list { gap: 18px; }
}
@media (max-width: 960px) {
  :root { --header-h: 64px; }
  /* backdrop-filter crearía un bloque contenedor y recortaría el menú fijo */
  .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--cream); }
  .menu-btn { display: block; }
  .nav { position: fixed; inset: var(--header-h) 0 0 0; background: var(--cream); flex-direction: column; align-items: stretch; gap: 0; padding: 12px var(--gut) 120px; overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: .25s; }
  .menu-open .nav { opacity: 1; visibility: visible; transform: none; }
  .menu-open { overflow: hidden; }
  .nav-list { flex-direction: column; gap: 0; }
  .nav-list > li > a { display: block; padding: 16px 0; font: 400 24px/1.2 var(--serif); border-bottom: 1px solid var(--line); }
  .nav-list > li > a::after { display: none; }
  .sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; background: none; padding: 4px 0 12px; margin: 0; min-width: 0; }
  .sub a { padding: 8px 0 8px 14px; font-size: 15px; color: var(--ink-2); }
  .nav-cta { margin-top: 24px; min-height: 52px; }
  .hero-grid, .sec-head, .ba-wrap, .incl-grid, .faq-grid, .cotizar-grid { grid-template-columns: 1fr; }
  .hero-media { aspect-ratio: 4 / 3; order: -1; }
  .hero .hero-grid { gap: 28px; }
  .sec-head { gap: 8px; margin-bottom: 32px; }
  .project { grid-template-columns: 1fr; gap: 20px; }
  .project-head { position: static; }
  .zonas-grid { grid-template-columns: 1fr 1fr; }
  .zonas-grid > div { grid-column: 1 / -1; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(2) { border-right: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  body { padding-bottom: 64px; }
  .svc-grid, .svc-grid-3 { grid-template-columns: 1fr 1fr; gap: 12px; }
  .svc-body { padding: 14px; }
  .svc-body p { display: none; }
  .svc-body .h3 { font-size: 18px; }
  .svc-card-txt { grid-column: 1 / -1; }
  .svc-card-txt .svc-body p { display: block; }
  .p-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .p-card:nth-child(3n+2) { transform: none; }
  .p-card-txt { padding: 40px 12px 12px; }
  .p-card-txt b { font-size: 18px; }
  .gallery { grid-template-columns: 1fr 1fr; gap: 8px; }
  .hero-facts { grid-template-columns: 1fr; gap: 12px; }
  .hero-facts li { display: flex; gap: 8px; align-items: baseline; }
  .hero-facts b { display: inline; margin: 0; }
  .ctas .btn { flex: 1 1 auto; }
  .field-row { grid-template-columns: 1fr; }
  .zonas-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .steps li { border-right: 0; margin-right: 0; border-bottom: 1px solid #3c3a35; padding-right: 0; }
  .inline-cta { padding: 22px; } .inline-cta p { font-size: 21px; }
  .footer-grid { grid-template-columns: 1fr; }
  .wa-float { display: none; }
  .mobile-bar { display: grid; grid-template-columns: 1fr 1.3fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; background: var(--paper); border-top: 1px solid var(--line); padding: 8px 10px calc(8px + env(safe-area-inset-bottom)); gap: 8px; }
  .mobile-bar a { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; border-radius: var(--r); font-weight: 700; font-size: 15px; text-decoration: none; background: #25d366; color: #fff; }
  .mobile-bar svg { width: 22px; height: 22px; }
  .mobile-bar .mb-cta { background: var(--accent); color: var(--ink); }
  .menu-open .mobile-bar { display: none; }
  .lb-prev, .lb-next { top: auto; bottom: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-media img { animation-duration: .01s; }
}