:root {
    --navy: #071923;
    --navy-soft: #0d2733;
    --blue: #2d7895;
    --sky: #92c6d6;
    --sand: #d9cbb6;
    --paper: #f2f0eb;
    --white: #fff;
    --ink: #10252e;
    --muted: #66757b;
    --line: rgba(16, 37, 46, .16);
    --container: 1240px;
    --radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "DM Sans", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }

.container { width: min(calc(100% - 64px), var(--container)); margin-inline: auto; }
.section { padding: 132px 0; }
.eyebrow {
    margin: 0 0 26px;
    color: var(--blue);
    font-size: .73rem;
    font-weight: 600;
    letter-spacing: .19em;
    text-transform: uppercase;
}
.eyebrow.light { color: var(--sky); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: "Manrope", Arial, sans-serif; }
h2 {
    margin-bottom: 0;
    font-size: clamp(2.8rem, 5.2vw, 5.4rem);
    font-weight: 500;
    letter-spacing: -.055em;
    line-height: .98;
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.skip-link { position: fixed; left: 1rem; top: -80px; z-index: 999; background: #fff; padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    color: #fff;
    transition: background .3s ease;
}
.site-header.is-scrolled { background: rgba(7, 25, 35, .97); }
.site-header--solid { background: var(--navy); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 88px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { position: relative; display: flex; align-items: flex-end; gap: 3px; width: 39px; height: 29px; overflow: hidden; }
.brand-mark i { display: block; width: 11px; background: currentColor; transform: skewX(-17deg); }
.brand-mark i:nth-child(1) { height: 18px; }
.brand-mark i:nth-child(2) { height: 29px; }
.brand-mark i:nth-child(3) { height: 23px; }
.brand-copy { display: grid; line-height: 1; }
.brand-copy strong { font: 700 1rem/1 "Manrope", sans-serif; letter-spacing: .18em; }
.brand-copy small { margin-top: 5px; font-size: .54rem; font-weight: 600; letter-spacing: .24em; }
.site-nav { display: flex; align-items: center; gap: 32px; font-size: .85rem; }
.site-nav > a:not(.nav-cta) { color: rgba(255,255,255,.78); transition: color .2s ease; }
.site-nav > a:not(.nav-cta):hover { color: #fff; }
.nav-cta { margin-left: 8px; border: 1px solid rgba(255,255,255,.35); padding: 12px 19px; transition: background .2s, color .2s; }
.nav-cta:hover { background: #fff; color: var(--navy); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; }
.menu-toggle > span:not(.sr-only) { display: block; width: 24px; height: 1px; margin: 6px auto; background: #fff; }

.hero { position: relative; min-height: 100svh; display: grid; align-items: center; overflow: hidden; color: #fff; background: var(--navy); }
.hero-media { position: absolute; inset: 0; background: var(--hero-image) center 58% / cover no-repeat; transform: scale(1.03); animation: heroIn 1.5s ease-out both; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,19,28,.88) 0%, rgba(4,19,28,.52) 54%, rgba(4,19,28,.15) 100%), linear-gradient(0deg, rgba(4,19,28,.58), transparent 45%); }
.hero-content { position: relative; z-index: 1; padding-top: 130px; padding-bottom: 120px; }
.hero h1 { max-width: 950px; margin: 0 0 34px; font-size: clamp(4rem, 8.2vw, 8.7rem); font-weight: 500; letter-spacing: -.075em; line-height: .88; }
.hero-lead { max-width: 610px; margin-bottom: 42px; color: rgba(255,255,255,.83); font-size: clamp(1.03rem, 1.5vw, 1.28rem); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 24px; border: 1px solid transparent; border-radius: var(--radius); font-size: .88rem; font-weight: 600; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--sky); color: var(--navy); }
.button-primary:hover { background: #b5dce7; }
.button-ghost { border-color: rgba(255,255,255,.42); color: #fff; }
.button-ghost:hover { background: #fff; color: var(--navy); }
.button-light { background: var(--paper); color: var(--navy); }
.button-dark { width: 100%; justify-content: space-between; background: var(--navy); color: #fff; }
.hero-foot { position: absolute; z-index: 1; bottom: 0; left: 50%; display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; padding: 28px 0; border-top: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.65); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; transform: translateX(-50%); }
.hero-foot a { color: #fff; }
.hero-foot b { margin-left: 12px; font-size: 1rem; }

.section-about { background: var(--paper); }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: 9vw; align-items: end; }
.intro-copy { padding-bottom: 4px; }
.intro-copy p { color: #52646b; font-size: 1.02rem; line-height: 1.75; }
.intro-copy p:first-child { color: var(--ink); font-size: 1.27rem; line-height: 1.55; }
.text-link { display: inline-flex; gap: 18px; align-items: center; margin-top: 16px; padding-bottom: 6px; border-bottom: 1px solid var(--ink); font-size: .86rem; font-weight: 600; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 112px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { min-height: 178px; padding: 34px 28px 28px 0; border-right: 1px solid var(--line); }
.stat:not(:first-child) { padding-left: 28px; }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font: 500 clamp(2.5rem, 4.4vw, 4.5rem)/1 "Manrope", sans-serif; letter-spacing: -.06em; }
.stat strong span { font-size: .44em; letter-spacing: -.02em; }
.stat p { max-width: 130px; margin: 20px 0 0; color: var(--muted); font-size: .8rem; line-height: 1.45; }

.section-services { background: var(--navy); color: #fff; }
.section-services .section-heading { display: grid; grid-template-columns: 1fr 2fr; align-items: start; margin-bottom: 90px; }
.section-services h2 { grid-column: 2; }
.services-list { border-top: 1px solid rgba(255,255,255,.2); }
.service-row { display: grid; grid-template-columns: .4fr 1.15fr 1.3fr auto; gap: 34px; align-items: center; min-height: 166px; border-bottom: 1px solid rgba(255,255,255,.16); transition: background .25s ease, padding .25s ease; }
.service-row:hover { padding-inline: 20px; background: rgba(255,255,255,.035); }
.service-number { color: var(--sky); font-size: .72rem; letter-spacing: .14em; }
.service-row h3 { margin: 0; font-size: clamp(1.35rem, 2.3vw, 2.05rem); font-weight: 500; letter-spacing: -.035em; }
.service-row p { max-width: 520px; margin: 0; color: rgba(255,255,255,.6); font-size: .93rem; line-height: 1.65; }
.service-icon { font-size: 1.45rem; }

.section-projects { background: #e7e3dc; }
.projects-head { display: grid; grid-template-columns: 1.4fr .6fr; gap: 9vw; align-items: end; margin-bottom: 76px; }
.projects-head > p { margin: 0; color: #52646b; line-height: 1.75; }
.project-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 28px; align-items: start; }
.project-card:nth-child(2) { margin-top: 110px; }
.project-image { position: relative; display: block; overflow: hidden; background: #bdc7c5; }
.project-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,18,27,.55), transparent 45%); }
.project-image img { aspect-ratio: 1.25 / 1; object-fit: cover; transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.project-card:nth-child(2) .project-image img { aspect-ratio: 1 / 1.08; }
.project-image:hover img { transform: scale(1.035); }
.project-image > span { position: absolute; z-index: 2; right: 22px; bottom: 20px; color: #fff; font-size: .78rem; }
.project-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.project-copy > p { grid-column: 1 / -1; margin: 0; color: var(--blue); font-size: .69rem; letter-spacing: .15em; text-transform: uppercase; }
.project-copy h3 { margin: 0; font-size: clamp(1.55rem, 2.7vw, 2.55rem); font-weight: 500; letter-spacing: -.045em; }
.project-copy > span { color: var(--muted); font-size: .86rem; line-height: 1.55; }
.model-strip { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 520px; margin-top: 132px; background: var(--blue); color: #fff; }
.model-strip-image { overflow: hidden; }
.model-strip-image img { height: 100%; object-fit: cover; }
.model-strip-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: clamp(42px, 6vw, 84px); }
.model-strip-copy h3 { max-width: 500px; margin-bottom: 30px; font-size: clamp(2.4rem, 4.3vw, 4.8rem); font-weight: 500; letter-spacing: -.06em; line-height: .98; }
.model-strip-copy > p:not(.eyebrow) { max-width: 500px; margin-bottom: 34px; color: rgba(255,255,255,.74); line-height: 1.7; }

/* ===== Selector interactivo de modelos (mapa interactivo) ===== */
.section-houses { background: var(--paper); }
.section-houses .section-heading { max-width: 780px; margin-bottom: 58px; }
.houses-intro { margin: 26px 0 0; color: #52646b; font-size: 1.05rem; line-height: 1.72; }
.houses-intro a { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: rgba(45,120,149,.4); }

.houses-explorer {
    display: grid;
    grid-template-columns: minmax(230px, .82fr) minmax(0, 1.7fr) minmax(285px, 1.05fr);
    background: var(--navy);
    color: #fff;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 34px 80px rgba(4,18,27,.28);
}

/* Izquierda: lista de casitas */
.houses-list { display: flex; flex-direction: column; background: rgba(255,255,255,.02); }
.house-item {
    display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px;
    padding: 19px 24px; border: 0; border-bottom: 1px solid rgba(255,255,255,.08);
    background: transparent; color: rgba(255,255,255,.72); text-align: left; cursor: pointer;
    transition: background .25s ease, color .25s ease;
}
.house-item:last-child { border-bottom: 0; }
.house-item:hover { background: rgba(255,255,255,.05); color: #fff; }
.house-item.is-active { background: rgba(146,198,214,.15); color: #fff; }
.house-item-index { font-size: .68rem; letter-spacing: .12em; color: var(--sky); }
.house-item-body { display: grid; gap: 4px; min-width: 0; }
.house-item-body strong { font: 500 1.12rem/1.1 "Manrope", sans-serif; letter-spacing: -.02em; }
.house-item-body small { color: rgba(255,255,255,.5); font-size: .78rem; }
.house-item.is-active .house-item-body small { color: rgba(255,255,255,.72); }
.house-item-arrow { opacity: 0; transform: translateX(-6px); color: var(--sky); transition: opacity .25s ease, transform .25s ease; }
.house-item:hover .house-item-arrow, .house-item.is-active .house-item-arrow { opacity: 1; transform: none; }

/* Centro: visor con galería */
.houses-stage { display: flex; flex-direction: column; background: #0a1c26; }
.houses-frame { position: relative; flex: 1 1 auto; min-height: 400px; background: #0a1c26; overflow: hidden; }
.houses-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; transition: opacity .35s ease; }
.houses-frame-cap {
    position: absolute; z-index: 2; left: 0; right: 0; bottom: 0;
    display: flex; justify-content: space-between; align-items: center; gap: 12px;
    padding: 16px 20px; background: linear-gradient(0deg, rgba(4,18,27,.85), transparent); pointer-events: none;
}
.houses-shot-tag { color: rgba(255,255,255,.85); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; }
.houses-shot-count { color: var(--sky); font-size: .8rem; letter-spacing: .1em; }
.houses-nav {
    position: absolute; top: 50%; z-index: 3; transform: translateY(-50%);
    width: 44px; height: 44px; display: grid; place-items: center;
    border: 1px solid rgba(255,255,255,.25); border-radius: 50%;
    background: rgba(7,25,35,.5); color: #fff; font-size: 1.6rem; line-height: 1; cursor: pointer;
    transition: background .2s ease, border-color .2s ease;
}
.houses-nav:hover { background: rgba(7,25,35,.85); border-color: var(--sky); }
.houses-nav.prev { left: 14px; }
.houses-nav.next { right: 14px; }
.houses-thumbs { display: flex; gap: 8px; padding: 12px; overflow-x: auto; background: rgba(0,0,0,.28); }
.houses-thumb { flex: 0 0 auto; width: 78px; height: 52px; padding: 0; border: 1px solid rgba(255,255,255,.15); border-radius: 3px; overflow: hidden; background: #0a1c26; cursor: pointer; opacity: .5; transition: opacity .2s ease, border-color .2s ease; }
.houses-thumb img { position: static; width: 100%; height: 100%; object-fit: cover; }
.houses-thumb:hover { opacity: .85; }
.houses-thumb[aria-current="true"] { opacity: 1; border-color: var(--sky); }

/* Derecha: ficha */
.houses-info { display: flex; flex-direction: column; padding: 40px 34px; border-left: 1px solid rgba(255,255,255,.1); }
.house-kicker { margin: 0 0 12px; color: var(--sky); font-size: .68rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.houses-info h3 { margin: 0 0 26px; font-size: clamp(1.9rem, 3vw, 2.6rem); font-weight: 500; letter-spacing: -.04em; line-height: 1; }
.house-specs { display: grid; border-top: 1px solid rgba(255,255,255,.14); margin-bottom: 22px; }
.house-specs > div { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.house-specs span { color: rgba(255,255,255,.55); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.house-specs strong { font: 500 1.15rem/1 "Manrope", sans-serif; letter-spacing: -.02em; }
.house-expanded { margin: 0 0 22px; padding: 11px 14px; border-radius: 4px; background: rgba(146,198,214,.12); color: var(--sky); font-size: .85rem; line-height: 1.4; }
.house-expanded.is-hidden { display: none; }
.house-highlights { margin: 0 0 30px; padding: 0; list-style: none; display: grid; gap: 12px; }
.house-highlights li { position: relative; padding-left: 22px; color: rgba(255,255,255,.72); font-size: .9rem; line-height: 1.5; }
.house-highlights li::before { content: ""; position: absolute; left: 0; top: .5em; width: 7px; height: 7px; border-radius: 50%; background: var(--sky); }
.house-cta { display: flex; flex-direction: column; gap: 12px; margin-top: auto; }
.house-cta .button { width: 100%; }

.section-process { background: var(--paper); }
.process-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 11vw; }
.process-intro { position: sticky; top: 145px; align-self: start; }
.process-intro h2 { font-size: clamp(2.7rem, 4.7vw, 4.7rem); }
.process-intro > p:last-child { max-width: 480px; margin-top: 34px; color: var(--muted); line-height: 1.7; }
.process-steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.process-steps li { display: grid; grid-template-columns: 70px 1fr; min-height: 176px; padding: 36px 0; border-bottom: 1px solid var(--line); }
.process-steps li > span { color: var(--blue); font-size: .72rem; letter-spacing: .14em; }
.process-steps h3 { margin: 0 0 15px; font-size: 1.75rem; font-weight: 500; letter-spacing: -.035em; }
.process-steps p { max-width: 500px; margin: 0; color: var(--muted); line-height: 1.65; }

.commitment { position: relative; min-height: 82vh; display: grid; align-items: center; color: #fff; overflow: hidden; }
.commitment-image { position: absolute; inset: 0; background: var(--commitment-image) center 60% / cover no-repeat; }
.commitment-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,20,29,.9), rgba(5,20,29,.48) 60%, rgba(5,20,29,.15)); }
.commitment-content { position: relative; z-index: 1; padding-block: 110px; }
.commitment h2 { max-width: 820px; font-size: clamp(3.5rem, 7vw, 7.4rem); }
.commitment blockquote { max-width: 590px; margin: 58px 0 18px; padding-left: 22px; border-left: 1px solid var(--sky); color: rgba(255,255,255,.82); font-size: 1.1rem; line-height: 1.7; }
.commitment-content > p:last-child { margin-left: 23px; color: var(--sky); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }

.section-contact { background: var(--sand); }
.contact-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 11vw; }
.contact-copy h2 { max-width: 620px; }
.contact-copy > p:not(.eyebrow) { max-width: 480px; margin-top: 35px; color: #58676b; font-size: 1.05rem; line-height: 1.7; }
.contact-details { display: grid; gap: 12px; margin-top: 55px; font-size: .9rem; }
.contact-details a { text-decoration: underline; text-decoration-color: rgba(16,37,46,.3); text-underline-offset: 5px; }
.contact-details span { color: #647176; }
.contact-form { padding: 44px; background: rgba(255,255,255,.5); }
.contact-form label { display: block; margin-bottom: 25px; }
.contact-form label > span { display: block; margin-bottom: 10px; color: #4e5d62; font-size: .68rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 0; border-bottom: 1px solid rgba(16,37,46,.3); border-radius: 0; outline: 0; background: transparent; color: var(--ink); padding: 7px 0 13px; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--blue); }
.contact-form textarea { resize: vertical; }
.form-note { margin: 14px 0 0; color: #657278; font-size: .74rem; }
.form-note.is-success { color: #236442; }

.site-footer { padding: 78px 0 28px; background: var(--navy); color: #fff; }
.footer-main { display: grid; grid-template-columns: .75fr 1fr .8fr; gap: 8vw; align-items: start; padding-bottom: 80px; }
.brand-footer { align-self: start; }
.footer-main > p { max-width: 380px; color: rgba(255,255,255,.55); line-height: 1.7; }
.footer-links { display: grid; gap: 16px; font-size: .83rem; }
.footer-links a { padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.16); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.4); font-size: .7rem; }
.footer-legal { display: flex; align-items: center; justify-content: flex-end; gap: 18px; flex-wrap: wrap; }
.footer-legal a { color: rgba(255,255,255,.58); transition: color .2s ease; }
.footer-legal a:hover { color: #fff; }
.whatsapp { position: fixed; z-index: 90; right: 22px; bottom: 22px; display: flex; align-items: center; gap: 15px; padding: 13px 15px 13px 18px; border-radius: 99px; background: #fff; color: var(--navy); box-shadow: 0 12px 35px rgba(0,0,0,.18); font-size: .73rem; font-weight: 600; }
.whatsapp b { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: #25d366; color: #fff; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@keyframes heroIn { from { opacity: 0; transform: scale(1.09); } to { opacity: 1; transform: scale(1.03); } }

@media (max-width: 980px) {
    .container { width: min(calc(100% - 40px), var(--container)); }
    .section { padding: 96px 0; }
    .menu-toggle { display: block; z-index: 3; }
    .site-nav { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 26px; padding: 80px 10vw; background: var(--navy); font: 500 clamp(1.8rem, 7vw, 3rem)/1 "Manrope", sans-serif; transform: translateX(100%); transition: transform .35s ease; }
    .site-nav.is-open { transform: none; }
    .nav-cta { margin: 10px 0 0; padding: 14px 20px; font-size: 1rem; }
    .split-heading, .projects-head, .process-layout, .contact-layout { grid-template-columns: 1fr; }
    .split-heading, .projects-head { gap: 48px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2) { border-right: 0; }
    .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .section-services .section-heading { grid-template-columns: 1fr; }
    .section-services h2 { grid-column: 1; }
    .service-row { grid-template-columns: 55px 1fr auto; padding-block: 30px; }
    .service-row p { grid-column: 2 / -1; }
    .houses-explorer { grid-template-columns: 1fr; }
    .houses-info { border-left: 0; border-top: 1px solid rgba(255,255,255,.12); }
    .houses-stage { order: -1; }
    .houses-frame { flex: none; aspect-ratio: 16 / 10; min-height: 0; }
    .project-grid { gap: 20px; }
    .model-strip { grid-template-columns: 1fr; }
    .model-strip-image img { max-height: 500px; }
    .process-layout { gap: 70px; }
    .process-intro { position: static; }
    .contact-layout { gap: 60px; }
    .footer-main { grid-template-columns: 1fr 1fr; }
    .footer-links { grid-column: 2; grid-row: 1 / 3; }
}

@media (max-width: 680px) {
    .container { width: min(calc(100% - 32px), var(--container)); }
    .section { padding: 78px 0; }
    .header-inner { min-height: 72px; }
    .hero-content { padding-top: 115px; }
    .hero h1 { font-size: clamp(3.5rem, 16.5vw, 4.6rem); letter-spacing: -.08em; }
    .hero-foot { grid-template-columns: 1fr; }
    .hero-foot span:nth-child(2) { display: none; }
    .hero-foot a { display: none; }
    .hero-actions { flex-direction: column; align-items: stretch; max-width: 330px; }
    .stats-grid { margin-top: 70px; }
    .stat { min-height: 145px; padding: 25px 16px 20px 0; }
    .stat:not(:first-child) { padding-left: 16px; }
    .stat:nth-child(even) { padding-right: 0; }
    .service-row { grid-template-columns: 40px 1fr auto; gap: 14px; }
    .service-row p { font-size: .86rem; }
    .project-grid { grid-template-columns: 1fr; }
    .project-card:nth-child(2) { margin-top: 55px; }
    .project-copy { grid-template-columns: 1fr; }
    .project-copy > p { grid-column: 1; }
    .model-strip { margin-top: 80px; }
    .model-strip-copy { padding: 42px 26px 48px; }
    .model-strip-copy h3 { font-size: 2.8rem; }
    .houses-info { padding: 28px 20px; }
    .houses-frame { aspect-ratio: 4 / 3; }
    /* Selector de casas horizontal, cómodo para el dedo */
    .houses-list { flex-direction: row; overflow-x: auto; -webkit-overflow-scrolling: touch; scroll-snap-type: x mandatory; border-bottom: 1px solid rgba(255,255,255,.1); }
    .house-item { flex: 0 0 auto; grid-template-columns: auto auto; gap: 11px; padding: 14px 18px; border-bottom: 0; border-right: 1px solid rgba(255,255,255,.08); scroll-snap-align: start; }
    .house-item-index { align-self: center; }
    .house-item-body strong { font-size: 1rem; }
    .house-item-arrow { display: none; }
    /* Flechas grandes y sólidas para pasar fotos con el pulgar */
    .houses-nav { width: 48px; height: 48px; font-size: 1.9rem; background: rgba(7,25,35,.72); border-color: rgba(255,255,255,.4); }
    .houses-nav.prev { left: 10px; }
    .houses-nav.next { right: 10px; }
    .houses-thumbs { padding: 10px; }
    .houses-thumb { width: 64px; height: 44px; }
    .commitment { min-height: 720px; }
    .commitment-image { background-position: 64% center; }
    .contact-form { padding: 28px 20px; }
    .form-grid { grid-template-columns: 1fr; gap: 0; }
    .footer-main { grid-template-columns: 1fr; gap: 34px; padding-bottom: 55px; }
    .footer-links { grid-column: 1; grid-row: auto; }
    .footer-bottom { flex-direction: column; gap: 10px; }
    .footer-legal { justify-content: flex-start; gap: 10px 16px; }
    .whatsapp span { display: none; }
    .whatsapp { padding: 9px; }
}

/* Tres indicadores propios de la constructora. */
.stats-grid { grid-template-columns: repeat(3, 1fr); }

/* Composicion editorial de modelos: texto primero, imagen panoramica. */
@media (min-width: 981px) {
    .model-strip {position:relative;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));min-height:0;padding:0;overflow:visible;background:transparent;color:var(--ink);}
    .model-strip::after {display:none;}
    .model-strip-copy {grid-column:1 / 13;grid-row:1;width:auto;min-height:0;margin:0;padding:50px 0 54px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(340px,.75fr);gap:clamp(70px,9vw,130px);align-items:end;background:transparent;box-shadow:none;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
    .model-strip-copy .eyebrow.light {color:var(--blue);}
    .model-strip-copy h3 {max-width:760px;margin:0;color:var(--ink);font-size:clamp(3.4rem,5.1vw,5.8rem);line-height:.96;}
    .model-strip-body {padding-bottom:4px;}
    .model-strip-body p {max-width:470px;margin:0 0 20px;color:#52646b;line-height:1.72;}
    .model-strip-body .button {margin-top:10px;background:var(--navy);color:#fff;}
    .model-strip-image {position:relative;grid-column:2 / 13;grid-row:2;height:570px;margin-top:58px;overflow:hidden;box-shadow:none;}
    .model-strip-image img {width:100%;height:100%;object-fit:cover;object-position:center;transform:none;}
    .model-strip-caption {position:absolute;left:0;bottom:0;display:block;padding:15px 20px;background:var(--paper);color:var(--ink);font-size:.68rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;}
}

@media (max-width: 980px) {
    .model-strip-copy {order:2;}
    .model-strip-image {order:1;}
    .model-strip-heading, .model-strip-body {display:contents;}
    .model-strip-body p {max-width:500px;margin-bottom:34px;color:rgba(255,255,255,.74);line-height:1.7;}
    .model-strip-caption {display:none;}
}

@media (max-width: 680px) {
    .stats-grid { grid-template-columns: 1fr; }
    .stat, .stat:not(:first-child) {
        min-height: 128px;
        padding: 25px 0 20px;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
    .stat:last-child { border-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .reveal { opacity: 1; transform: none; }
}