/* ==========================================================================
   Adrián Carpio — Construcción y Remodelaciones · adriancarpio.com
   ========================================================================== */
:root {
  --navy: #0d1b33; --navy-deep: #091223; --navy-soft: #12244a; --navy-card: #11223f;
  --gold: #c8901a; --gold-light: #e9b949; --gold-soft: #f0d080;
  --ink: #eef2f9; --muted: #8ea0bd; --muted-2: #b7c4da;
  --wa: #1fb355;
  --cream: #faf8f4; --cream-card: #ffffff; --cream-border: #e9e2d2;
  --ink-dark: #17233c; --muted-dark: #5b6a84;
  --ease: cubic-bezier(.32, .72, 0, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
/* el nav es fijo (83px): sin esto, al llegar por el menu el titulo queda debajo */
section[id] { scroll-margin-top: 100px; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--navy);
  color: var(--ink);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
.wrap { max-width: 1280px; margin: 0 auto; padding-left: clamp(20px, 5vw, 56px); padding-right: clamp(20px, 5vw, 56px); }

/* ===== Reveal on scroll ===== */
.rv { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
/* El hero NO espera al JS: si dependiera del observer, el H1 (elemento LCP) tarda
   segundos en pintar y Core Web Vitals se desploma. Se revela con CSS puro. */
.hero .rv { animation: heroIn .9s var(--ease) both; opacity: 1; transform: none; transition: none; }
.hero .rv-d1 { animation-delay: .08s; } .hero .rv-d2 { animation-delay: .16s; }
.hero .rv-d3 { animation-delay: .24s; } .hero .rv-d4 { animation-delay: .32s; }
@keyframes heroIn { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
.rv.in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .08s; } .rv-d2 { transition-delay: .16s; } .rv-d3 { transition-delay: .24s; }
.rv-d4 { transition-delay: .32s; } .rv-d5 { transition-delay: .40s; } .rv-d6 { transition-delay: .48s; }

/* ===== Nav ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px clamp(20px, 5vw, 56px);
  background: rgba(9, 18, 35, .58);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(233, 185, 73, .10);
  transition: background .4s;
}
nav.scrolled { background: rgba(9, 18, 35, .88); }
.nav-logo img { height: 62px; display: block; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: 13.5px; font-weight: 600;
  letter-spacing: .02em; transition: color .3s; position: relative;
}
.nav-links a:not(.btn-wa-sm)::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px;
  background: var(--gold-light); transition: right .35s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--gold-light); }
.nav-links a:not(.btn-wa-sm):hover::after, .nav-links a.active::after { right: 0; }
.btn-wa-sm {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--wa); color: #fff !important; font-weight: 700; font-size: 13px;
  padding: 9px 16px; border-radius: 8px; text-decoration: none;
  box-shadow: 0 4px 18px -6px rgba(31, 179, 85, .55);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.btn-wa-sm:hover { transform: translateY(-2px); box-shadow: 0 8px 26px -6px rgba(31, 179, 85, .7); }
.nav-burger { display: none; background: none; border: 0; color: var(--ink); font-size: 26px; cursor: pointer; }
@media (max-width: 960px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(9, 18, 35, .97); flex-direction: column; padding: 22px; gap: 18px;
    border-bottom: 1px solid rgba(233, 185, 73, .15); }
  .nav-links.open { display: flex; }
  .nav-burger { display: block; }
  .nav-logo img { height: 50px; }
}
/* a 320px el logo empujaba el nav fuera del viewport */
@media (max-width: 380px) { .nav-logo img { height: 42px; } }

/* ===== Hero ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(233, 185, 73, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(233, 185, 73, .055) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, #000 40%, transparent 82%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, #000 40%, transparent 82%);
  animation: gridPulse 7s ease-in-out infinite;
}
@keyframes gridPulse { 0%, 100% { opacity: .55; } 50% { opacity: 1; } }
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 120% 90% at 72% 8%, var(--navy-soft) 0%, var(--navy) 46%, var(--navy-deep) 100%);
}
#glow {
  position: fixed; width: 720px; height: 720px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 148, 26, .085) 0%, transparent 62%);
  pointer-events: none; z-index: 1; top: 0; left: 0; will-change: transform;
}
.hero-inner {
  position: relative; z-index: 10; width: 100%;
  max-width: 1280px; margin: 0 auto;
  padding: 130px clamp(20px, 5vw, 56px) 60px;
  display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  align-items: center; gap: 24px;
}
.pill {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid rgba(233, 185, 73, .28); background: rgba(233, 185, 73, .06);
  backdrop-filter: blur(6px); padding: 7px 16px; border-radius: 999px; margin-bottom: 32px;
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold-light); animation: breathe 2.6s ease-in-out infinite; }
@keyframes breathe {
  0%, 100% { opacity: .5; transform: scale(.85); }
  50% { opacity: 1; transform: scale(1.15); box-shadow: 0 0 12px rgba(233, 185, 73, .8); }
}
.pill span { font-size: 11.5px; font-weight: 700; letter-spacing: .14em; color: var(--gold-light); }
h1 { font-size: clamp(2.5rem, 5.2vw, 4.35rem); line-height: 1.04; letter-spacing: -.035em; font-weight: 800; }
.grad {
  background: linear-gradient(92deg, var(--gold-light) 10%, var(--gold) 55%, #a87510 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sub { margin-top: 24px; font-size: clamp(15.5px, 1.5vw, 17.5px); line-height: 1.75; color: var(--muted); max-width: 540px; }
.sub b { color: var(--ink); font-weight: 600; }
.ctas { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn-wa {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--wa); color: #fff; font-weight: 700; font-size: 15.5px;
  padding: 15px 28px; border-radius: 10px; text-decoration: none;
  box-shadow: 0 10px 34px -10px rgba(31, 179, 85, .6);
  transition: box-shadow .3s; will-change: transform;
}
.btn-wa:hover { box-shadow: 0 16px 44px -10px rgba(31, 179, 85, .8); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid rgba(233, 185, 73, .55); color: var(--ink);
  font-weight: 600; font-size: 15px; padding: 14px 26px; border-radius: 10px;
  text-decoration: none; transition: background .3s, border-color .3s, transform .3s var(--ease);
}
.btn-ghost:hover { background: rgba(233, 185, 73, .1); border-color: var(--gold-light); transform: translateY(-2px); }
.stats { margin-top: 48px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 360px; }
.stat {
  position: relative; overflow: hidden;
  background: rgba(255, 255, 255, .045); border: 1px solid rgba(255, 255, 255, .09);
  backdrop-filter: blur(8px); border-radius: 14px; padding: 16px 14px 13px;
  transition: transform .35s var(--ease), border-color .35s;
}
.stat:hover { transform: translateY(-4px); border-color: rgba(233, 185, 73, .35); }
.stat::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent 8%, var(--gold-light), transparent 92%);
}
.stat .num { font-size: clamp(1.4rem, 2.2vw, 1.75rem); font-weight: 800; letter-spacing: -.02em; color: var(--gold-light); font-variant-numeric: tabular-nums; }
.stat .lbl { font-size: 11.5px; color: var(--muted); margin-top: 5px; font-weight: 500; line-height: 1.4; }
.hero-3d {
  position: relative; height: clamp(380px, 66vh, 640px);
  -webkit-mask-image: radial-gradient(ellipse 95% 96% at 50% 50%, #000 62%, transparent 98%);
  mask-image: radial-gradient(ellipse 95% 96% at 50% 50%, #000 62%, transparent 98%);
}
.hero-3d canvas { width: 100% !important; height: 100% !important; display: block; }
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 108px; }
  .hero-3d { height: 400px; order: 2; margin-top: 6px; }
  /* en móvil no se carga three.js (593 KB): sin canvas, no dejar el hueco */
  html.no-3d .hero-3d { display: none; }
  .stats { max-width: 100%; }
}

/* ===== Cinta de obra (separador) ===== */
.cinta { height: 8px; background: repeating-linear-gradient(45deg, var(--gold) 0 16px, var(--navy-deep) 16px 32px); animation: stripeMove 3s linear infinite; }
@keyframes stripeMove { from { background-position: 0 0; } to { background-position: 64px 0; } }

/* ===== Trust strip ===== */
.trust { position: relative; z-index: 20; border-top: 1px solid rgba(233, 185, 73, .12); background: rgba(9, 18, 35, .6); backdrop-filter: blur(10px); }
.trust-inner { max-width: 1280px; margin: 0 auto; padding: 18px clamp(20px, 5vw, 56px); display: flex; align-items: center; justify-content: center; gap: 34px; flex-wrap: wrap; }
.trust .tag { display: inline-flex; align-items: center; gap: 8px; font-size: 11.5px; font-weight: 800; letter-spacing: .16em; color: var(--gold-light); }
.trust .tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold-light); animation: breathe 2.6s ease-in-out infinite; }
.trust span.item { font-size: 13.5px; font-weight: 600; color: var(--muted-2); }

/* ===== Section scaffolding ===== */
section { position: relative; }
.sec-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 11.5px; font-weight: 800; letter-spacing: .18em; margin-bottom: 16px; }
.kicker::before { content: ''; width: 28px; height: 2px; background: currentColor; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); line-height: 1.1; letter-spacing: -.03em; font-weight: 800; }
.sec-sub { margin-top: 16px; font-size: 16px; line-height: 1.7; }

/* --- dark section --- */
.sec-dark { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%); padding: clamp(64px, 9vw, 110px) 0; }
.sec-dark .kicker { color: var(--gold-light); }
.sec-dark .sec-sub { color: var(--muted); }
/* --- light section --- */
.sec-light { background: var(--cream); color: var(--ink-dark); padding: clamp(64px, 9vw, 110px) 0; }
.sec-light .kicker { color: var(--gold); }
.sec-light h2 { color: var(--ink-dark); }
.sec-light .sec-sub { color: var(--muted-dark); }

/* ===== Servicios ===== */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 980px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .svc-grid { grid-template-columns: 1fr; } }
/* Acento propio por servicio */
.svc { --acc: #c8901a; --acc-tint: rgba(200, 144, 26, .13); --acc-glow: rgba(200, 144, 26, .34); }
.svc--aqua { --acc: #2f8f86; --acc-tint: rgba(47, 143, 134, .13); --acc-glow: rgba(47, 143, 134, .34); }
.svc--steel { --acc: #3a6ea5; --acc-tint: rgba(58, 110, 165, .13); --acc-glow: rgba(58, 110, 165, .34); }
.svc--terra { --acc: #c05f36; --acc-tint: rgba(192, 95, 54, .13); --acc-glow: rgba(192, 95, 54, .34); }
.svc--grape { --acc: #7b5ea7; --acc-tint: rgba(123, 94, 167, .13); --acc-glow: rgba(123, 94, 167, .34); }
.svc--forest { --acc: #4e8a5c; --acc-tint: rgba(78, 138, 92, .13); --acc-glow: rgba(78, 138, 92, .34); }

.svc {
  position: relative; background: var(--cream-card); border: 1px solid var(--cream-border);
  border-radius: 16px; padding: 26px 24px 22px; overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s, border-color .4s;
}
.svc::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: linear-gradient(90deg, var(--acc), var(--acc-glow));
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease);
}
.svc:hover { transform: translateY(-6px); box-shadow: 0 22px 44px -18px rgba(13, 27, 51, .18); border-color: var(--acc-glow); }
.svc:hover::after { transform: scaleX(1); }
.svc-ico {
  position: relative; width: 54px; height: 54px; border-radius: 15px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, var(--acc-tint), rgba(255, 255, 255, .5));
  border: 1px solid var(--acc-glow); margin-bottom: 18px;
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
/* halo exterior */
.svc-ico::before {
  content: ''; position: absolute; inset: -8px; border-radius: 22px;
  background: radial-gradient(circle at 50% 50%, var(--acc-glow), transparent 68%);
  opacity: 0; transition: opacity .45s var(--ease); pointer-events: none;
}
/* relleno solido que entra en hover */
.svc-ico::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(140deg, var(--acc), rgba(0, 0, 0, .16));
  opacity: 0; transition: opacity .45s var(--ease);
}
.svc:hover .svc-ico {
  transform: translateY(-3px) scale(1.07) rotate(-5deg);
  border-color: transparent; box-shadow: 0 14px 26px -10px var(--acc-glow);
}
.svc:hover .svc-ico::before { opacity: .5; }
.svc:hover .svc-ico::after { opacity: 1; }
.svc-ico svg {
  position: relative; z-index: 2; width: 27px; height: 27px;
  stroke: var(--acc); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
  transition: stroke .4s var(--ease);
}
.svc:hover .svc-ico svg { stroke: #fff; }
.svc h3 { font-size: 17.5px; font-weight: 750; color: var(--ink-dark); letter-spacing: -.01em; }
.svc p { margin-top: 9px; font-size: 13.8px; line-height: 1.65; color: var(--muted-dark); }
.svc ul { margin: 13px 0 0; padding: 0; list-style: none; }
.svc li { font-size: 12.8px; color: var(--ink-dark); padding: 4px 0 4px 20px; position: relative; font-weight: 500; }
.svc li::before { content: '✓'; position: absolute; left: 0; color: var(--acc); font-weight: 800; }

@media (prefers-reduced-motion: reduce) {
  .svc, .svc-ico, .svc-ico::before, .svc-ico::after, .svc-ico svg { transition: none; }
  .svc:hover .svc-ico { transform: none; }
}

/* ===== Antes / Después ===== */
.ba-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
@media (max-width: 900px) { .ba-wrap { grid-template-columns: 1fr; } }
.ba {
  position: relative; border-radius: 18px; overflow: hidden; aspect-ratio: 16/10;
  box-shadow: 0 30px 60px -25px rgba(9, 18, 35, .5);
  user-select: none; touch-action: none; cursor: ew-resize;
}
.ba img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.ba .after-img { clip-path: inset(0 0 0 50%); }
.ba-handle {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 3px; background: var(--gold-light);
  box-shadow: 0 0 18px rgba(233, 185, 73, .8); transform: translateX(-50%); pointer-events: none;
}
.ba-handle::after {
  content: '⟷'; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 44px; height: 44px; border-radius: 50%; background: var(--gold-light); color: var(--navy);
  display: flex; align-items: center; justify-content: center; font-size: 19px; font-weight: 800;
  box-shadow: 0 6px 20px rgba(9, 18, 35, .45);
}
.ba-tag {
  position: absolute; top: 14px; font-size: 10.5px; font-weight: 800; letter-spacing: .14em;
  padding: 6px 12px; border-radius: 6px; backdrop-filter: blur(6px); pointer-events: none;
}
.ba-tag.antes { left: 14px; background: rgba(9, 18, 35, .72); color: #fff; }
.ba-tag.despues { right: 14px; background: rgba(233, 185, 73, .92); color: var(--navy); }
.ba-note { margin-top: 12px; font-size: 12px; color: var(--muted-dark); text-align: center; }

/* ===== Proyectos ===== */
/* 3 por fila como antes; con pocos proyectos la fila queda centrada */
.pj-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 400px)); justify-content: center; gap: 18px; }
@media (max-width: 640px) { .pj-grid { grid-template-columns: 1fr; } }
.pj {
  position: relative; border-radius: 16px; overflow: hidden; aspect-ratio: 4/3; cursor: pointer;
  display: block; width: 100%; padding: 0; border: 0; background: var(--navy-card);
  font: inherit; text-align: left;
}
.pj:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 4px; }
/* señal discreta de que la tarjeta abre la galería */
.pj-cta {
  position: absolute; z-index: 3; top: 42%; left: 50%;
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%;
  background: var(--gold-light); color: var(--navy);
  box-shadow: 0 10px 24px -8px rgba(0, 0, 0, .7);
  opacity: 0; transform: translate(-50%, -50%) scale(.75);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
  font-size: 0;
}
.pj-cta::after { content: '⤢'; font-size: 19px; font-weight: 700; }
.pj:hover .pj-cta, .pj:focus-visible .pj-cta { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.pj img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.pj:hover img { transform: scale(1.07); }
.pj::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(9, 18, 35, .55) 62%, rgba(9, 18, 35, .93) 100%);
}
.pj-info { position: absolute; left: 18px; right: 18px; bottom: 16px; z-index: 2; }
.pj-type { font-size: 10px; font-weight: 800; letter-spacing: .14em; color: var(--gold-light); }
.pj-title { margin-top: 5px; font-size: 17px; font-weight: 750; color: #fff; letter-spacing: -.01em; }
.pj-meta { margin-top: 4px; font-size: 12px; color: var(--muted-2); }
.pj-badge {
  position: absolute; top: 14px; right: 14px; z-index: 2;
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(9, 18, 35, .7); backdrop-filter: blur(6px);
  color: var(--gold-light); font-size: 10.5px; font-weight: 700; padding: 6px 11px; border-radius: 7px;
  border: 1px solid rgba(233, 185, 73, .3);
}

/* ===== Zonas de cobertura (SEO local) ===== */
.zonas {
  margin-top: 34px; padding: 26px clamp(20px, 3vw, 32px);
  border: 1px solid rgba(233, 185, 73, .16); border-radius: 16px;
  background: rgba(255, 255, 255, .03);
}
.zonas h3 { font-size: 16px; font-weight: 750; color: var(--ink); letter-spacing: -.01em; }
.zonas > p { margin-top: 8px; font-size: 13.5px; color: var(--muted); }
.zonas-list { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 9px; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.zonas-list li { font-size: 13px; line-height: 1.6; color: var(--muted-2); padding-left: 15px; position: relative; }
.zonas-list li::before { content: ''; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.zonas-list b { color: var(--gold-light); font-weight: 700; }
.zonas-nota { margin-top: 16px; font-size: 12.8px; color: var(--muted); }
.zonas-nota a { color: var(--gold-light); font-weight: 700; text-decoration: none; border-bottom: 1px solid rgba(233, 185, 73, .4); }
.zonas-nota a:hover { color: var(--gold-soft); }

/* ===== Carrusel de proyecto (lightbox) ===== */
.lb {
  position: fixed; inset: 0; z-index: 200;
  display: grid; grid-template-columns: 64px 1fr 64px; grid-template-rows: auto 1fr auto;
  grid-template-areas: 'bar bar bar' 'prev fig next' 'dots dots dots';
  align-items: center; gap: 10px; padding: 0 clamp(10px, 3vw, 28px) 22px;
  background: rgba(6, 12, 24, .95); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  animation: lbIn .35s var(--ease);
}
.lb[hidden] { display: none; }
@keyframes lbIn { from { opacity: 0; } to { opacity: 1; } }
.lb-bar {
  grid-area: bar; display: flex; align-items: center; gap: 16px;
  padding: 18px 4px 14px; border-bottom: 1px solid rgba(255, 255, 255, .09); width: 100%;
}
.lb-title { font-size: 14.5px; font-weight: 700; color: #fff; letter-spacing: -.01em; }
.lb-count { margin-left: auto; font-size: 12px; font-weight: 700; color: var(--gold-light); letter-spacing: .08em; font-variant-numeric: tabular-nums; }
.lb-close, .lb-arrow {
  display: grid; place-items: center; cursor: pointer; color: #fff;
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 50%; transition: background .3s var(--ease), border-color .3s, transform .3s var(--ease);
}
.lb-close { width: 38px; height: 38px; flex: none; }
.lb-arrow { grid-area: prev; width: 48px; height: 48px; }
.lb-next { grid-area: next; }
.lb-close:hover, .lb-arrow:hover { background: var(--gold-light); border-color: var(--gold-light); color: var(--navy); transform: scale(1.06); }
.lb-close:focus-visible, .lb-arrow:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 3px; }

.lb-fig { grid-area: fig; position: relative; min-height: 0; height: 100%; display: flex; flex-direction: column; justify-content: center; gap: 14px; }
.lb-fig img {
  max-width: 100%; max-height: calc(100vh - 210px); margin: 0 auto;
  border-radius: 14px; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .9);
  animation: lbShot .45s var(--ease);
}
@keyframes lbShot { from { opacity: 0; transform: scale(.985); } to { opacity: 1; transform: none; } }
.lb-cap { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; text-align: center; color: var(--muted-2); font-size: 13.5px; }
.lb-stage {
  display: inline-block; background: rgba(233, 185, 73, .14); border: 1px solid rgba(233, 185, 73, .35);
  color: var(--gold-light); font-size: 10.5px; font-weight: 800; letter-spacing: .14em;
  padding: 4px 11px; border-radius: 999px;
}
.lb-dots { grid-area: dots; display: flex; justify-content: center; gap: 9px; }
.lb-dot {
  width: 9px; height: 9px; border-radius: 50%; cursor: pointer; padding: 0;
  background: rgba(255, 255, 255, .22); border: 0; transition: background .3s, transform .3s var(--ease);
}
.lb-dot:hover { background: rgba(255, 255, 255, .45); }
.lb-dot.is-on { background: var(--gold-light); transform: scale(1.25); }
body.lb-open { overflow: hidden; }

@media (max-width: 700px) {
  /* la foto, el pie y los puntos van juntos y centrados; la barra queda arriba */
  /* el padding-top compensa la barra flotante para que el grupo quede optico al centro */
  .lb { display: flex; flex-direction: column; justify-content: center; gap: 16px; padding: 64px 14px 18px; }
  .lb-bar { position: absolute; top: 0; left: 0; right: 0; width: auto; padding: 16px 14px 13px; background: rgba(6, 12, 24, .6); }
  .lb-fig { flex: none; height: auto; }
  .lb-fig img { max-height: 62vh; }
  .lb-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 42px; height: 42px; z-index: 4; }
  .lb-prev { left: 10px; } .lb-next { right: 10px; }
  .lb-arrow:hover { transform: translateY(-50%) scale(1.06); }
  .lb-title { font-size: 13px; }
  .lb-cap { font-size: 12.8px; }
}
@media (prefers-reduced-motion: reduce) {
  .lb, .lb-fig img { animation: none; }
  .pj:hover { transform: none; }
}

/* ===== Proceso ===== */
.steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: paso; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.steps::before {
  content: ''; position: absolute; top: 26px; left: 8%; right: 8%; height: 2px;
  background: repeating-linear-gradient(90deg, rgba(233, 185, 73, .5) 0 10px, transparent 10px 20px);
}
@media (max-width: 900px) { .steps::before { display: none; } }
.step { position: relative; text-align: left; }
.step-n {
  position: relative; z-index: 2; width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: var(--navy);
  font-weight: 900; font-size: 19px; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 8px var(--navy), 0 10px 26px -8px rgba(200, 144, 26, .6);
  margin-bottom: 20px;
}
.step h3 { font-size: 16.5px; font-weight: 750; letter-spacing: -.01em; color: var(--ink); }
.step p { margin-top: 8px; font-size: 13.5px; line-height: 1.65; color: var(--muted); }

/* ===== Sobre / Nosotros ===== */
.about-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }
.about-photo { position: relative; border-radius: 18px; overflow: hidden; aspect-ratio: 4/4.6; box-shadow: 0 30px 60px -25px rgba(9, 18, 35, .35); }
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-photo::after { content: ''; position: absolute; inset: 0; border: 1px solid rgba(200, 144, 26, .25); border-radius: 18px; }
.about-frame {
  position: absolute; top: 18px; left: 18px; right: 18px; bottom: 18px;
  border: 2px solid rgba(233, 185, 73, .55); border-radius: 12px; pointer-events: none;
}
.about-copy p { margin-top: 16px; font-size: 15.5px; line-height: 1.8; color: var(--muted-dark); }
.vals { margin-top: 26px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 640px) { .vals { grid-template-columns: 1fr; } }
.val { background: var(--cream-card); border: 1px solid var(--cream-border); border-radius: 13px; padding: 16px 15px; }
.val b { display: block; font-size: 13.5px; color: var(--ink-dark); margin-bottom: 5px; }
.val span { font-size: 12.3px; line-height: 1.55; color: var(--muted-dark); display: block; }

/* ===== Testimonios ===== */
.tsm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .tsm-grid { grid-template-columns: 1fr; } }
.tsm {
  background: rgba(255, 255, 255, .045); border: 1px solid rgba(255, 255, 255, .09);
  border-left: 3px solid var(--gold); border-radius: 14px; padding: 24px 22px;
  transition: transform .35s var(--ease), border-color .35s;
}
.tsm:hover { transform: translateY(-4px); }
.tsm .stars { color: var(--gold-light); font-size: 14px; letter-spacing: 3px; }
.tsm p { margin-top: 13px; font-size: 14.5px; line-height: 1.7; color: var(--muted-2); font-style: italic; }
.tsm .who { margin-top: 16px; font-size: 13px; font-weight: 700; color: var(--ink); }
.tsm .who span { display: block; font-weight: 500; color: var(--muted); font-size: 12px; margin-top: 2px; }

/* ===== FAQ ===== */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  background: var(--cream-card); border: 1px solid var(--cream-border);
  border-radius: 13px; margin-bottom: 12px; overflow: hidden;
  transition: border-color .3s;
}
.faq details[open] { border-color: rgba(200, 144, 26, .45); }
.faq summary {
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px; font-size: 15px; font-weight: 650; color: var(--ink-dark);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 22px; font-weight: 400; color: var(--gold); transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .faq-a { padding: 0 22px 18px; font-size: 14px; line-height: 1.75; color: var(--muted-dark); }

/* ===== Contacto ===== */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(28px, 4.5vw, 56px); align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.form-card {
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 18px; padding: clamp(22px, 3vw, 34px); backdrop-filter: blur(8px);
}
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .f-row { grid-template-columns: 1fr; } }
.f-field { margin-bottom: 14px; }
.f-field label { display: block; font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--muted-2); margin-bottom: 7px; }
.f-field input, .f-field select, .f-field textarea {
  width: 100%; background: rgba(9, 18, 35, .55); border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 9px; padding: 13px 14px; color: var(--ink); font-size: 14.5px; font-family: inherit;
  transition: border-color .3s, box-shadow .3s; appearance: none;
}
.f-field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23e9b949' stroke-width='2' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }
.f-field input:focus, .f-field select:focus, .f-field textarea:focus {
  outline: none; border-color: var(--gold-light); box-shadow: 0 0 0 3px rgba(233, 185, 73, .15);
}
.f-field textarea { min-height: 110px; resize: vertical; }
.f-send {
  width: 100%; border: 0; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  background: linear-gradient(120deg, var(--gold-light), var(--gold)); color: var(--navy);
  font-weight: 800; font-size: 15px; padding: 15px 26px; border-radius: 10px;
  transition: transform .3s var(--ease), box-shadow .3s; font-family: inherit;
  box-shadow: 0 12px 30px -12px rgba(200, 144, 26, .65);
}
.f-send:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -12px rgba(200, 144, 26, .85); }
.f-note { margin-top: 12px; font-size: 12px; color: var(--muted); text-align: center; line-height: 1.6; }
.c-cards { display: flex; flex-direction: column; gap: 14px; }
.c-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: rgba(255, 255, 255, .045); border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 14px; padding: 20px;
  transition: transform .35s var(--ease), border-color .35s;
}
.c-card:hover { transform: translateY(-3px); border-color: rgba(233, 185, 73, .35); }
.c-ico {
  flex: none; width: 46px; height: 46px; border-radius: 12px;
  background: rgba(233, 185, 73, .1); border: 1px solid rgba(233, 185, 73, .25);
  display: flex; align-items: center; justify-content: center;
}
.c-ico svg { width: 22px; height: 22px; stroke: var(--gold-light); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.c-card b { font-size: 14.5px; color: var(--ink); display: block; }
.c-card p, .c-card a { margin-top: 4px; font-size: 13.5px; color: var(--muted); line-height: 1.6; text-decoration: none; display: block; }
.c-card a:hover { color: var(--gold-light); }
.c-card.wa-card { border-color: rgba(31, 179, 85, .35); }
.c-card.wa-card .c-ico { background: rgba(31, 179, 85, .12); border-color: rgba(31, 179, 85, .35); }
.c-card.wa-card .c-ico svg { stroke: none; fill: var(--wa); }

/* ===== Footer ===== */
footer { background: var(--navy-deep); border-top: 1px solid rgba(233, 185, 73, .1); }
.foot-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 34px;
  padding: clamp(44px, 6vw, 64px) 0 36px;
}
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-brand img { height: 66px; margin-bottom: 16px; }
.foot-brand p { font-size: 13px; line-height: 1.7; color: var(--muted); max-width: 300px; }
.foot-col h4 { font-size: 12px; font-weight: 800; letter-spacing: .16em; color: var(--gold-light); margin-bottom: 16px; }
.foot-col a, .foot-col span { display: block; font-size: 13.5px; color: var(--muted); text-decoration: none; padding: 5px 0; transition: color .3s; }
.foot-col a:hover { color: var(--gold-light); }
.foot-bottom {
  border-top: 1px solid rgba(255, 255, 255, .07); padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
}
.foot-bottom span, .foot-bottom a { font-size: 12.5px; color: var(--muted); }
.foot-bottom a { color: var(--gold-light); text-decoration: none; font-weight: 600; }
.foot-bottom a:hover { text-decoration: underline; }

/* ===== WhatsApp flotante ===== */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 80;
  width: 58px; height: 58px; border-radius: 50%; background: var(--wa);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 34px -8px rgba(31, 179, 85, .75);
  transition: transform .3s var(--ease);
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }
.wa-float::before {
  content: ''; position: absolute; inset: -6px; border-radius: 50%;
  border: 2px solid rgba(31, 179, 85, .55); animation: waPulse 2.2s ease-out infinite;
}
@keyframes waPulse { 0% { transform: scale(.85); opacity: 1; } 100% { transform: scale(1.35); opacity: 0; } }

/* ===== Progreso de obra (concepto C: la página construye la casa) ===== */
.build-progress {
  position: fixed; left: 20px; bottom: 20px; z-index: 80;
  background: rgba(9, 18, 35, .82); backdrop-filter: blur(10px);
  border: 1px solid rgba(233, 185, 73, .25); border-radius: 14px;
  padding: 12px 14px 9px; text-align: center;
  transition: opacity .4s, transform .4s var(--ease);
}
.build-progress.hidden { opacity: 0; transform: translateY(12px); pointer-events: none; }
.build-progress svg { width: 58px; height: 48px; display: block; margin: 0 auto; }
.build-progress .bp-lbl { font-size: 9.5px; font-weight: 700; letter-spacing: .08em; color: var(--gold-light); margin-top: 6px; }
.bp-piece { opacity: .13; transition: opacity .5s; }
.bp-piece.on { opacity: 1; }
@media (max-width: 700px) { .build-progress { display: none; } }

@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  .grid-bg, .pill .dot, .trust .dot, .cinta, .wa-float::before { animation: none !important; }
}