/* =============================================================
   Cerrajería El Chino · Cipolletti, Río Negro
   Paleta industrial: carbón + azul acero + ámbar dorado
   Tipografía: Oswald (headings) + Barlow (body)
   ============================================================= */

:root {
  /* Carbón y acero (bases oscuras, seguridad) */
  --carbon: #1C1C1E;
  --carbon-soft: #2A2A2D;
  --acero: #37474F;
  --acero-osc: #26323A;
  --acero-med: #546E7A;
  --acero-claro: #8E9DA6;
  --acero-soft: #E2E7EB;

  /* Ámbar dorado (acento, llave) */
  --ambar: #FFB300;
  --ambar-osc: #B27700;
  --ambar-deep: #7A4F00;
  --ambar-soft: #FFE082;

  /* Neutros */
  --texto: #23282E;
  --texto-soft: #4A525C;
  --texto-mut: #6B7480;
  --papel: #F4F5F7;
  --papel-prof: #E7EAEE;
  --blanco: #FFFFFF;

  /* Estados */
  --wa-dark: #128C7E;
  --verde-ok: #1FA653;
  --rojo-error: #C62828;

  /* Sombra */
  --sombra-card: 0 18px 50px rgba(28, 28, 30, 0.14);
  --sombra-suave: 0 8px 30px rgba(28, 28, 30, 0.08);
  --sombra-flotante: 0 22px 70px rgba(255, 179, 0, 0.30);

  --radio: 14px;
  --radio-sm: 9px;
  --maxw: 1200px;

  --ff-head: "Oswald", "Arial Narrow", Impact, sans-serif;
  --ff-body: "Barlow", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;

  --gradiente-carbon: linear-gradient(135deg, #1C1C1E 0%, #2A2A2D 100%);
  --gradiente-acero: linear-gradient(160deg, #37474F 0%, #1C1C1E 100%);
  --gradiente-papel: linear-gradient(180deg, #F4F5F7 0%, #E7EAEE 100%);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  font-family: var(--ff-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--texto);
  background: var(--papel);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg { max-width: 100%; display: block; height: auto; }
a { color: var(--acero); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--ambar-osc); }
button { font-family: inherit; cursor: pointer; }
ul { list-style: none; padding: 0; }

/* ---------- Focus visible ---------- */
:focus-visible {
  outline: 3px solid var(--ambar);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--ff-head);
  color: var(--carbon);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: 0.005em;
  text-transform: uppercase;
}
h1 { font-size: clamp(2.3rem, 5.4vw, 4.4rem); }
h2 { font-size: clamp(1.85rem, 3.6vw, 2.8rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.7rem); }
h4 { font-size: clamp(1.05rem, 1.8vw, 1.3rem); }
p { color: var(--texto); }
em { font-style: italic; color: var(--ambar-osc); }
.eyebrow {
  font-family: var(--ff-head);
  font-size: 0.875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ambar-osc);
  font-weight: 600;
  display: inline-block;
  margin-bottom: 0.6rem;
}
.lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--texto-soft); }

/* ---------- Layout ---------- */
.container { max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.2rem); }
.section { padding-block: clamp(3.4rem, 7vw, 5.6rem); }
.section-alt { background: var(--papel-prof); }
.section-acero { background: var(--gradiente-acero); }
.section-acero h2, .section-acero h3 { color: var(--blanco); }
.section-acero p { color: var(--acero-soft); }
.section-stats { background: var(--carbon); }
.section-cta { background: var(--gradiente-acero); }
.section-head { max-width: 760px; margin-bottom: clamp(2rem, 4vw, 3.2rem); }
.section-head p { color: var(--texto-soft); margin-top: 0.6rem; }
.divider {
  border: 0; height: 3px; width: 64px;
  background: var(--ambar); margin: 0.9rem 0 0;
}
.center-cta { text-align: center; margin-top: 2.6rem; }

/* ---------- Header / Nav ---------- */
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px; gap: 1rem;
}
.brand img { height: clamp(42px, 6vw, 56px); width: auto; }

.nav-main { display: flex; align-items: center; gap: 1.8rem; }
.nav-list { display: flex; align-items: center; gap: 1.6rem; }
.nav-list a {
  font-family: var(--ff-head);
  font-weight: 500;
  font-size: 0.975rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--acero-soft);
  padding: 0.4rem 0;
  position: relative;
}
.nav-list a:hover, .nav-list a[aria-current="page"] { color: var(--ambar); }
.nav-list a::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 0; height: 2px; background: var(--ambar); transition: width 0.25s ease;
}
.nav-list a:hover::after, .nav-list a[aria-current="page"]::after { width: 100%; }

.nav-cta-mobile { display: none; }

.nav-toggle {
  display: none; background: transparent; border: 0; width: 44px; height: 44px;
  position: relative; z-index: 1200;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 26px; height: 3px; border-radius: 3px;
  background: var(--ambar); position: absolute; left: 9px;
  transition: transform 0.3s ease, opacity 0.2s ease;
}
.nav-toggle span { top: 21px; }
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-8px) rotate(-45deg); }

.nav-backdrop {
  position: fixed; inset: 0; background: rgba(28, 28, 30, 0.55);
  opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0s linear 0.3s;
  z-index: 1050;
}
.nav-backdrop.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.55rem; padding: 0.9rem 1.7rem; border-radius: var(--radio-sm);
  font-family: var(--ff-head); font-weight: 600; font-size: 1rem;
  letter-spacing: 0.05em; text-transform: uppercase;
  border: 2px solid transparent; text-decoration: none; min-height: 48px;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn-lg { padding: 1.05rem 2.1rem; font-size: 1.05rem; }
.btn-sm { padding: 0.7rem 1.2rem; font-size: 0.9rem; min-height: 40px; }
.btn-primary { background: var(--ambar); color: var(--carbon); }
.btn-primary:hover { background: var(--ambar-osc); color: var(--blanco); transform: translateY(-1px); }
.btn-carbon { background: var(--carbon); color: var(--blanco); }
.btn-carbon:hover { background: var(--carbon-soft); color: var(--blanco); transform: translateY(-1px); }
.btn-wa { background: var(--wa-dark); color: var(--blanco); }
.btn-wa:hover { background: #0E7268; color: var(--blanco); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--carbon); border-color: var(--carbon);
}
.btn-outline:hover { background: var(--carbon); color: var(--blanco); }
.btn-outline-light {
  background: transparent; color: var(--blanco); border-color: rgba(255, 255, 255, 0.6);
}
.btn-outline-light:hover { background: var(--blanco); color: var(--carbon); border-color: var(--blanco); }
.btn:active { transform: translateY(0) scale(0.99); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: clamp(540px, 84vh, 760px);
  display: flex; align-items: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(105deg, rgba(28, 28, 30, 0.92) 0%, rgba(28, 28, 30, 0.72) 38%, rgba(55, 71, 79, 0.35) 70%, rgba(55, 71, 79, 0.10) 100%),
    linear-gradient(0deg, rgba(28, 28, 30, 0.55) 0%, transparent 40%);
}
.hero-content {
  position: relative; z-index: 2; padding-block: clamp(5rem, 12vh, 7rem);
  max-width: 720px;
}
.hero .eyebrow { color: var(--ambar); }
.hero h1 { color: var(--blanco); margin-bottom: 1.1rem; }
.hero h1 em { color: var(--ambar); font-style: italic; }
.hero-sub {
  color: rgba(255, 255, 255, 0.92); font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 56ch; margin-bottom: 1.8rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* ---------- Banda urgencia ---------- */
.urgencia-strip {
  background: var(--carbon); border-top: 3px solid var(--ambar);
  padding-block: 0.9rem;
}
.urgencia-inner {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.urgencia-pulse {
  width: 14px; height: 14px; position: relative; flex-shrink: 0;
}
.urgencia-pulse span {
  position: absolute; inset: 0; border-radius: 50%; background: var(--ambar);
}
.urgencia-pulse span::before {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid var(--ambar); animation: pulse 1.8s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.7); opacity: 0.9; }
  100% { transform: scale(2.2); opacity: 0; }
}
.urgencia-texto {
  flex: 1; min-width: 240px; color: var(--blanco);
  font-size: clamp(0.975rem, 1.4vw, 1.05rem); font-weight: 500;
}
.urgencia-texto strong { color: var(--ambar); }

/* ---------- Pilares ---------- */
.pilares-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem;
}
.pilar {
  background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radio); padding: 1.8rem 1.4rem;
  border-top: 3px solid var(--ambar);
}
.pilar-icon {
  width: 52px; height: 52px; border-radius: 12px; margin-bottom: 1rem;
  display: grid; place-items: center; color: var(--ambar);
  background: rgba(255, 179, 0, 0.10);
}
.pilar h3 { font-size: 1.18rem; margin-bottom: 0.5rem; }

/* ---------- Servicios ---------- */
.serv-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem;
}
.serv-card {
  background: var(--blanco); border-radius: var(--radio); padding: 2rem 1.6rem;
  border: 1px solid var(--acero-soft);
  box-shadow: var(--sombra-suave);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.serv-card:hover { transform: translateY(-4px); box-shadow: var(--sombra-card); }
.serv-card-ambar { border-top: 4px solid var(--ambar); }
.serv-card-dark { background: var(--carbon); border-color: var(--carbon-soft); }
.serv-card-dark h3, .serv-card-dark .serv-icon { color: var(--ambar); }
.serv-card-dark p, .serv-card-dark .serv-list li { color: var(--acero-soft); }
.serv-card-dark .serv-list li::before { background: var(--ambar); }
.serv-icon {
  width: 56px; height: 56px; border-radius: 12px; margin-bottom: 1.1rem;
  display: grid; place-items: center; color: var(--ambar-osc);
  background: rgba(255, 179, 0, 0.12);
}
.serv-card h3 { font-size: 1.32rem; margin-bottom: 0.6rem; }
.serv-card > p { color: var(--texto-soft); margin-bottom: 1rem; }
.serv-list { display: grid; gap: 0.4rem; }
.serv-list li {
  position: relative; padding-left: 1.3rem;
  font-size: 0.95rem; color: var(--texto-soft);
}
.serv-list li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 7px; height: 7px; border-radius: 2px; background: var(--ambar);
}

/* ---------- Split ---------- */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center;
}
.split-media img {
  width: 100%; border-radius: var(--radio); box-shadow: var(--sombra-card);
}
.split-media-stack { display: grid; gap: 1rem; }
.split-text h2 { margin-bottom: 1rem; }
.split-text p { margin-bottom: 1rem; color: var(--texto-soft); }
.split-text .btn { margin-top: 0.5rem; }

/* ---------- Stats ---------- */
.section-stats .eyebrow { color: var(--ambar); }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem;
}
.stat {
  text-align: center; padding: 1.4rem 1rem;
  border-left: 3px solid var(--ambar);
}
.stat .num {
  font-family: var(--ff-head); font-weight: 700; font-size: clamp(2.2rem, 4.4vw, 3.2rem);
  color: var(--ambar); line-height: 1;
}
.stat .lbl {
  font-size: 0.95rem; color: var(--acero-soft); margin-top: 0.5rem;
  text-transform: uppercase; letter-spacing: 0.05em; font-weight: 500;
}

/* ---------- Proceso ---------- */
.proceso-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem;
}
.proceso-paso {
  background: var(--blanco); border-radius: var(--radio); padding: 1.8rem 1.4rem;
  border: 1px solid var(--acero-soft); position: relative;
}
.proceso-paso .num {
  font-family: var(--ff-head); font-weight: 700; font-size: 2.4rem;
  color: var(--ambar); line-height: 1; margin-bottom: 0.8rem;
}
.proceso-paso h3 { font-size: 1.2rem; margin-bottom: 0.4rem; }
.proceso-paso p { color: var(--texto-soft); font-size: 0.96rem; }

/* ---------- Galería ---------- */
.gallery-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem;
  grid-auto-rows: minmax(180px, auto);
}
.gallery-item { margin: 0; overflow: hidden; border-radius: var(--radio); }
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-wide { grid-column: span 2; }

/* ---------- Testimonios ---------- */
.testi-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem;
}
.testi-card {
  background: var(--blanco); border-radius: var(--radio); padding: 1.8rem 1.5rem;
  border: 1px solid var(--acero-soft); border-top: 3px solid var(--ambar);
  display: flex; flex-direction: column; gap: 0.9rem;
}
.estrellas { color: var(--ambar); letter-spacing: 0.1em; font-size: 1.05rem; }
.testi-card blockquote {
  font-size: 1rem; color: var(--texto); line-height: 1.6; font-style: italic;
  quotes: "\201C" "\201D";
}
.testi-card blockquote::before { content: open-quote; color: var(--ambar); font-size: 1.2rem; font-weight: 700; }
.testi-card blockquote::after { content: close-quote; color: var(--ambar); font-size: 1.2rem; font-weight: 700; }
.testi-autor {
  font-family: var(--ff-head); font-weight: 600; font-size: 1rem;
  color: var(--carbon); margin-top: auto;
}
.testi-autor small {
  display: block; font-family: var(--ff-body); font-weight: 400;
  font-size: 0.875rem; color: var(--texto-mut); margin-top: 0.15rem;
}

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 0.8rem; max-width: 820px; }
.faq-item {
  background: var(--blanco); border: 1px solid var(--acero-soft);
  border-radius: var(--radio-sm); overflow: hidden;
}
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem 1.3rem; cursor: pointer; list-style: none;
  font-family: var(--ff-head); font-weight: 600; font-size: 1.02rem;
  color: var(--carbon); text-transform: none; letter-spacing: 0;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q .ico {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  background: var(--ambar); color: var(--carbon);
  display: grid; place-items: center; font-size: 1.1rem; font-weight: 700;
  transition: transform 0.25s ease;
}
.faq-item[open] .faq-q .ico { transform: rotate(45deg); }
.faq-a { padding: 0 1.3rem 1.2rem; }
.faq-a p { color: var(--texto-soft); }

/* ---------- Ubicación ---------- */
.ubic-grid {
  display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start;
}
.ubic-info { display: grid; gap: 1rem; }
.contact-card {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--blanco); border: 1px solid var(--acero-soft);
  border-radius: var(--radio-sm); padding: 1.1rem 1.2rem;
}
.contact-card .ico {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px;
  background: rgba(255, 179, 0, 0.14); color: var(--ambar-osc);
  display: grid; place-items: center;
}
.ci-name {
  font-family: var(--ff-head); font-weight: 600; font-size: 1.05rem;
  color: var(--carbon); margin-bottom: 0.2rem;
}
.contact-card p { color: var(--texto-soft); font-size: 0.97rem; }
.contact-card a { color: var(--acero); font-weight: 600; }
.contact-card a:hover { color: var(--ambar-osc); }
.mapa-wrap {
  border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra-card);
  min-height: 360px; border: 1px solid var(--acero-soft);
}
.mapa-wrap iframe { width: 100%; height: 100%; min-height: 360px; border: 0; display: block; }

/* ---------- CTA final ---------- */
.cta-final {
  text-align: center; max-width: 720px; margin-inline: auto;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}
.cta-final h2 { color: var(--blanco); margin-bottom: 0.9rem; }
.cta-final p { color: var(--acero-soft); margin-bottom: 1.8rem; }
.cta-final .hero-actions { justify-content: center; }

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 1300;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--wa-dark); color: var(--blanco);
  display: grid; place-items: center;
  box-shadow: 0 10px 30px rgba(18, 140, 126, 0.45);
  transition: transform 0.2s ease, background 0.2s ease;
}
.whatsapp-float:hover { background: #0E7268; color: var(--blanco); transform: scale(1.05); }
.whatsapp-float svg { width: 30px; height: 30px; }
.wf-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--carbon); color: var(--acero-soft);
  padding-block: clamp(2.8rem, 5vw, 4rem) 0;
}
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 2rem;
  max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.2rem);
  padding-bottom: 2.4rem;
}
.footer-brand p { color: var(--acero-soft); margin-top: 1rem; font-size: 0.95rem; max-width: 42ch; }
.footer-social { display: flex; gap: 0.7rem; margin-top: 1rem; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 9px;
  background: rgba(255, 255, 255, 0.08); color: var(--blanco);
  display: grid; place-items: center; transition: background 0.2s ease;
}
.footer-social a:hover { background: var(--ambar); color: var(--carbon); }
.footer-social svg { width: 20px; height: 20px; }
.footer-title {
  font-family: var(--ff-head); font-size: 1.05rem; color: var(--blanco);
  margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.05em;
}
.footer-col .ci-name { color: var(--ambar); margin-bottom: 1rem; }
.footer-col ul { display: grid; gap: 0.55rem; }
.footer-col li { color: var(--acero-soft); font-size: 0.95rem; }
.footer-col a { color: var(--acero-soft); }
.footer-col a:hover { color: var(--ambar); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  padding: 1.4rem clamp(1.1rem, 4vw, 2.2rem);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem;
  max-width: var(--maxw); margin-inline: auto;
  font-size: 0.875rem; color: var(--acero-claro);
}

/* ---------- Page hero (subpáginas) ---------- */
.page-hero {
  background: var(--gradiente-acero);
  padding-block: clamp(3rem, 7vw, 5rem);
  border-bottom: 3px solid var(--ambar);
}
.page-hero .eyebrow { color: var(--ambar); margin-bottom: 0.6rem; }
.page-hero h1 { color: var(--blanco); margin-bottom: 0.9rem; max-width: 18ch; }
.page-hero .hero-sub {
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.02rem, 1.5vw, 1.2rem); max-width: 62ch;
}
.page-hero .hero-sub { color: rgba(255, 255, 255, 0.92); }

/* ---------- Servicios detalle (alternando) ---------- */
.serv-detail {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center;
}
.serv-detail-rev .serv-detail-media { order: -1; }
.serv-detail-text h2 { margin-bottom: 1rem; }
.serv-detail-text > p { color: var(--texto-soft); margin-bottom: 1.1rem; }
.serv-detail-text .btn { margin-top: 0.5rem; }
.serv-detail-media img {
  width: 100%; border-radius: var(--radio); box-shadow: var(--sombra-card);
}
.check-list { display: grid; gap: 0.55rem; margin-bottom: 1.4rem; }
.check-list li {
  position: relative; padding-left: 1.7rem; color: var(--texto); font-size: 1rem;
}
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 0.45em;
  width: 16px; height: 10px; border-left: 3px solid var(--ambar);
  border-bottom: 3px solid var(--ambar); transform: rotate(-45deg);
}

/* ---------- Extras grid ---------- */
.extras-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.extra-item {
  background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radio); padding: 1.5rem 1.3rem; border-top: 3px solid var(--ambar);
}
.extra-item h3 { font-size: 1.12rem; margin-bottom: 0.4rem; color: var(--blanco); }
.extra-item p { color: var(--acero-soft); font-size: 0.95rem; }

/* ---------- Formulario ---------- */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(1.6rem, 4vw, 3rem); align-items: start;
}
.contact-form { display: grid; gap: 1.2rem; }
.field { display: grid; gap: 0.4rem; }
.field label {
  font-family: var(--ff-head); font-weight: 500; font-size: 0.95rem;
  color: var(--carbon); letter-spacing: 0.04em; text-transform: uppercase;
}
.field input, .field textarea, .field select {
  width: 100%; padding: 0.8rem 1rem; font-family: var(--ff-body); font-size: 1rem;
  color: var(--texto); background: var(--blanco);
  border: 2px solid var(--acero-soft); border-radius: var(--radio-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input::placeholder, .field textarea::placeholder { color: var(--texto-mut); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--ambar);
  box-shadow: 0 0 0 3px rgba(255, 179, 0, 0.25);
}
.field textarea { resize: vertical; min-height: 130px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.error-msg {
  font-size: 0.875rem; color: var(--rojo-error); min-height: 1.1rem; font-weight: 500;
}
.field.has-error input, .field.has-error textarea {
  border-color: var(--rojo-error); background: #FFF5F5;
}
.form-success {
  background: var(--carbon); color: var(--blanco); border-left: 4px solid var(--ambar);
  padding: 1.2rem 1.4rem; border-radius: var(--radio-sm); display: none;
}
.form-success.is-visible { display: block; }
.form-success strong { color: var(--ambar); display: block; margin-bottom: 0.3rem; font-family: var(--ff-head); font-size: 1.1rem; }

.contact-aside { display: grid; gap: 1rem; }
.contact-aside .contact-card { box-shadow: var(--sombra-suave); }
.wa-cta-card {
  background: var(--gradiente-carbon); color: var(--blanco); border-radius: var(--radio);
  padding: 1.6rem 1.5rem; border-top: 3px solid var(--ambar);
}
.wa-cta-card h3 { color: var(--ambar); font-size: 1.25rem; margin-bottom: 0.4rem; }
.wa-cta-card p { color: var(--acero-soft); margin-bottom: 1rem; }

@media (max-width: 1024px) {
  .extras-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .serv-detail { grid-template-columns: 1fr; }
  .serv-detail-rev .serv-detail-media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .extras-grid { grid-template-columns: 1fr; }
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Header scrolled ---------- */
.site-header.scrolled { box-shadow: 0 6px 30px rgba(0, 0, 0, 0.25); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .pilares-grid { grid-template-columns: repeat(2, 1fr); }
  .serv-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .proceso-grid { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .nav-main {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: min(82vw, 340px); z-index: 1150;
    background: var(--carbon); flex-direction: column;
    align-items: flex-start; justify-content: flex-start;
    gap: 0; padding: 5rem 1.4rem 2rem;
    transform: translateX(100%); transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.4);
  }
  .nav-main.is-open { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: flex-start; gap: 0.4rem; width: 100%; }
  .nav-list a { display: block; padding: 0.9rem 0; font-size: 1.15rem; width: 100%; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .nav-list a::after { display: none; }
  .nav-cta-mobile { display: block; margin-top: 1.4rem; width: 100%; }
  .nav-cta-mobile .btn { width: 100%; }

  .hero { min-height: clamp(520px, 80vh, 680px); }
  .hero-content { max-width: 100%; }
  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(28, 28, 30, 0.78) 0%, rgba(28, 28, 30, 0.86) 100%);
  }

  .split { grid-template-columns: 1fr; }
  .split-media { order: -1; }
  .ubic-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-wide { grid-column: span 1; }
}

@media (max-width: 480px) {
  .pilares-grid { grid-template-columns: 1fr; }
  .serv-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .proceso-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .urgencia-inner { flex-direction: column; align-items: stretch; gap: 0.7rem; }
  .urgencia-inner .btn { width: 100%; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .urgencia-pulse span::before { animation: none; }
}

/* ---------- Print ---------- */
@media print {
  .whatsapp-float, .nav-toggle, .nav-backdrop { display: none; }
  .site-header { position: static; }
  body { background: #fff; color: #000; }
}