/* ============================================================
   ESYPATE · Estilos
   Concepto: señalización de planta. Secciones en asfalto oscuro
   y concreto claro, franja de seguridad amarilla/negra, el gancho
   del logo sosteniendo la carga en el hero.
   ============================================================ */

@font-face {
  font-family: "Mintage";
  src: url("../fonts/mintage.woff2") format("woff2");
  font-display: swap;
  /* Mintage no tiene acentos; los acentos los toma Abril Fatface, casi idéntica */
  unicode-range: U+0020-007E;
}

:root {
  --asphalt: #111214;   /* fondo oscuro principal */
  --steel: #1b1d21;     /* superficie oscura */
  --plate: #25282d;     /* placas sobre oscuro */
  --rule: #363a40;      /* líneas sobre oscuro */
  --concrete: #e8e9eb;  /* fondo claro */
  --slab: #f6f6f7;      /* tarjetas sobre claro */
  --ink: #141518;       /* texto sobre claro */
  --ink-2: #4a4d53;     /* texto secundario sobre claro */
  --chalk: #f3f3f1;     /* texto sobre oscuro */
  --chalk-2: #a7a9ae;   /* texto secundario sobre oscuro */
  --yellow: #f2bd3d;    /* amarillo seguridad (marca) */
  --blue: #444cd1;      /* azul marca */
  --blue-lite: #8a90ff; /* azul legible sobre oscuro */
  --wa: #25d366;
  --wa-ink: #0b2e17;

  --display: "Mintage", "Abril Fatface", Georgia, "Times New Roman", serif;
  --cond: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --body: "Barlow", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --gutter: clamp(16px, 4vw, 40px);
  --max: 1200px;
  --r: 4px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--asphalt);
  color: var(--chalk);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--yellow); color: var(--ink); padding: 8px 14px; font-weight: 600; }
.skip:focus { left: 8px; }

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

.eyebrow {
  font: 600 14px/1.2 var(--cond);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--yellow);
  display: flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 28px; height: 3px; background: currentColor; }
.eyebrow--dark { color: var(--blue); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 22px;
  font: 700 17px/1 var(--cond); letter-spacing: .06em; text-transform: uppercase;
  text-decoration: none; border: 2px solid transparent; border-radius: var(--r);
  cursor: pointer; transition: transform .15s ease, background-color .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: none; }
.btn--sm { min-height: 42px; padding: 0 16px; font-size: 15px; }
.btn--block { width: 100%; }
.btn--yellow { background: var(--yellow); color: var(--ink); }
.btn--yellow:hover { background: #ffd062; }
.btn--wa { background: var(--wa); color: var(--wa-ink); }
.btn--wa:hover { background: #3ee07a; }
.btn--ghost { background: transparent; color: var(--chalk); border-color: var(--chalk-2); }
.btn--ghost:hover { border-color: var(--yellow); color: var(--yellow); }
.btn--dark { background: var(--asphalt); color: var(--chalk); }
.btn--dark:hover { background: var(--blue); }
.ico { width: 22px; height: 22px; flex: none; }

/* ---------- Barra superior y encabezado ---------- */
.topbar { background: var(--steel); border-bottom: 1px solid var(--rule); font: 500 14px/1 var(--cond); letter-spacing: .06em; color: var(--chalk-2); }
.topbar__in { display: flex; justify-content: space-between; gap: 16px; padding-block: 9px; flex-wrap: wrap; }
.topbar__links { display: flex; gap: 22px; }
.topbar a { text-decoration: none; color: var(--chalk); }
.topbar a:hover { color: var(--yellow); }

.header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 40;
  background: rgba(17, 18, 20, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.header__in { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 12px; }
.brand img { width: 168px; height: auto; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a:not(.btn) { font: 600 16px/1 var(--cond); letter-spacing: .08em; text-transform: uppercase; text-decoration: none; color: var(--chalk); }
.nav a:not(.btn):hover { color: var(--yellow); }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background:
  linear-gradient(var(--asphalt), var(--asphalt)) padding-box,
  var(--asphalt); }
.hero::before { /* retícula tipo plano */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, transparent, #000 40%, #000);
}
.hero__in { position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(28px, 5vw, 64px); align-items: start; padding-block: clamp(40px, 6vw, 72px) clamp(48px, 6vw, 80px); }
.hero__copy { display: grid; gap: 24px; padding-top: clamp(0px, 3vw, 36px); min-width: 0; }
.hero__title { font: 400 clamp(40px, 5.6vw, 72px)/1.02 var(--display); letter-spacing: -.005em; }
.hero__lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--chalk-2); max-width: 56ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__specs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--rule); margin-top: 8px; }
.hero__specs li { padding: 18px 16px 0 0; display: grid; gap: 4px; }
.hero__specs li + li { padding-left: 16px; border-left: 1px solid var(--rule); }
.hero__specs b { font: 400 clamp(26px, 2.5vw, 34px)/1.05 var(--display); overflow-wrap: anywhere; color: var(--yellow); font-variant-numeric: tabular-nums; }
.hero__specs span { font: 500 14px/1.3 var(--cond); letter-spacing: .04em; color: var(--chalk-2); text-transform: uppercase; }

/* El gancho sostiene la foto, como en el logo */
.rig { margin: 0; position: relative; display: grid; justify-items: center; transform-origin: 50% 0; min-width: 0; }
.rig__hook { width: clamp(80px, 10vw, 120px); margin-top: calc(-1 * clamp(40px, 6vw, 72px)); position: relative; z-index: 2; }
.rig__sling { width: 84%; height: 64px; margin-top: -10px; overflow: visible; }
.rig__sling path { stroke: #2d2f33; stroke-width: 3; fill: none; vector-effect: non-scaling-stroke; }
.rig__load { position: relative; width: 100%; border: 6px solid var(--chalk); border-radius: 10px; background: var(--chalk); box-shadow: 0 30px 60px rgba(0,0,0,.45); }
.rig__load img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 4px; }
.rig__load figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 10px 6px 4px; font: 700 14px/1.2 var(--cond); letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.rig__load figcaption span:last-child { color: var(--blue); }
.rig__sling path { stroke: var(--chalk-2); }
@media (prefers-reduced-motion: no-preference) {
  .rig { animation: sway 7s ease-in-out infinite; }
  @keyframes sway { 0%, 100% { transform: rotate(.7deg); } 50% { transform: rotate(-.7deg); } }
}

.hazard { height: 14px; background: repeating-linear-gradient(-45deg, var(--yellow) 0 18px, var(--asphalt) 18px 36px); }
.hazard--thin { height: 8px; }

/* ---------- Clientes ---------- */
.clients { background: var(--steel); border-bottom: 1px solid var(--rule); }
.clients__in { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; padding-block: 26px; }
.clients__t { font: 600 14px/1.2 var(--cond); letter-spacing: .14em; text-transform: uppercase; color: var(--chalk-2); max-width: 12ch; }
.marquee {
  display: flex; overflow-x: auto; min-width: 0; cursor: grab; touch-action: pan-x pan-y;
  scrollbar-width: none; -ms-overflow-style: none;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee::-webkit-scrollbar { display: none; }
.marquee.is-drag { cursor: grabbing; user-select: none; }
.marquee__track { display: flex; align-items: center; gap: clamp(40px, 5vw, 72px); padding-right: clamp(40px, 5vw, 72px); flex: none; }
.logo img { height: 40px; width: auto; max-width: 170px; object-fit: contain; opacity: .78; transition: opacity .2s; pointer-events: none; -webkit-user-drag: none; }
.logo.is-sq img { height: 52px; }
.marquee:hover .logo img { opacity: 1; }


/* ---------- Secciones ---------- */
.section { padding-block: clamp(64px, 9vw, 112px); }
.section--light { background: var(--concrete); color: var(--ink); }
.section--dark { background: var(--asphalt); color: var(--chalk); }
.section__head { display: grid; gap: 16px; max-width: 760px; margin-bottom: clamp(32px, 5vw, 56px); }
.section__head h2 { font: 400 clamp(32px, 4.2vw, 52px)/1.06 var(--display); }
.section__head--row { max-width: none; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 24px; }
.section__head--row h2 { max-width: 18ch; }
.section__lead { font-size: 18px; max-width: 60ch; color: var(--ink-2); }
.section--dark .section__lead { color: var(--chalk-2); }

/* ---------- Servicios ---------- */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2px; background: #c9cbcf; border: 2px solid #c9cbcf; }
.svc { background: var(--slab); padding: 28px; display: grid; align-content: start; gap: 12px; min-width: 0; }
.svc__ico { width: 44px; height: 44px; color: var(--blue); }
.svc h3 { font: 700 23px/1.15 var(--cond); letter-spacing: .02em; text-transform: uppercase; }
.svc p { color: var(--ink-2); font-size: 16px; }
.svc--wide { grid-column: 1 / -1; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 24px; background: var(--yellow); }
.svc--wide p { color: var(--ink); }
.svc--wide .svc__ico { color: var(--ink); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.tags li { font: 600 13px/1 var(--cond); letter-spacing: .06em; text-transform: uppercase; padding: 6px 9px; border: 1px solid #c3c5ca; border-radius: 2px; color: var(--ink-2); }

/* ---------- Proyectos ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font: 600 15px/1 var(--cond); letter-spacing: .08em; text-transform: uppercase; padding: 11px 16px; background: transparent; color: var(--chalk); border: 1px solid var(--rule); border-radius: 999px; cursor: pointer; }
.chip:hover { border-color: var(--chalk-2); }
.chip.is-on { background: var(--yellow); color: var(--ink); border-color: var(--yellow); }

.carousel { position: relative; }
.projects {
  display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 3 * 18px) / 4); gap: 18px;
  overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; overscroll-behavior-x: contain;
  padding-bottom: 14px; scrollbar-width: thin; scrollbar-color: var(--yellow) var(--steel);
}
.projects::-webkit-scrollbar { height: 6px; }
.projects::-webkit-scrollbar-track { background: var(--steel); }
.projects::-webkit-scrollbar-thumb { background: var(--yellow); }
.prj { scroll-snap-align: start; }
.carousel__nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 18px; }
.carousel__count { font: 600 15px/1 var(--cond); letter-spacing: .1em; text-transform: uppercase; color: var(--chalk-2); font-variant-numeric: tabular-nums; }
.carousel__btns { display: flex; gap: 10px; }
.carousel__btn { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 50%; border: 2px solid var(--chalk-2); background: transparent; color: var(--chalk); cursor: pointer; transition: background-color .15s, border-color .15s, color .15s; }
.carousel__btn:hover:not(:disabled) { background: var(--yellow); border-color: var(--yellow); color: var(--ink); }
.carousel__btn:disabled { opacity: .3; cursor: default; }
.carousel__btn svg { width: 22px; height: 22px; }
.prj { background: var(--steel); border: 1px solid var(--rule); border-radius: var(--r); overflow: hidden; display: grid; grid-template-rows: auto 1fr; min-width: 0; }
.prj img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; filter: saturate(.92); transition: transform .4s ease; }
.prj:hover img { transform: scale(1.04); }
.prj__body { padding: 16px 16px 18px; display: grid; grid-template-rows: auto 1fr auto; gap: 8px; border-top: 3px solid var(--yellow); position: relative; background: var(--steel); }
.prj__where { font: 600 13px/1.2 var(--cond); letter-spacing: .1em; text-transform: uppercase; color: var(--blue-lite); }
.prj h3 { font: 500 16px/1.35 var(--body); color: var(--chalk); }
.prj__qty { font: 400 22px/1 var(--display); color: var(--yellow); font-variant-numeric: tabular-nums; }
.prj__qty.is-txt { font: 700 15px/1.2 var(--cond); letter-spacing: .08em; text-transform: uppercase; }
.prj[hidden] { display: none; }
@media (prefers-reduced-motion: reduce) { .projects { scroll-behavior: auto; } }

.more { margin-top: 40px; display: grid; grid-template-columns: auto 1fr; gap: 24px; padding-top: 24px; border-top: 1px solid var(--rule); }
.more__t { font: 600 14px/1.4 var(--cond); letter-spacing: .14em; text-transform: uppercase; color: var(--chalk-2); }
.more ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 32px; color: var(--chalk-2); font-size: 16px; }
.more li::before { content: "▸ "; color: var(--yellow); }

/* ---------- Banda CTA ---------- */
.band { background: var(--yellow); color: var(--ink); }
.band__in { display: flex; align-items: center; justify-content: space-between; gap: 20px 32px; padding-block: 32px; flex-wrap: wrap; }
.band__t { font: 400 clamp(24px, 2.8vw, 34px)/1.15 var(--display); max-width: 30ch; }

/* ---------- Equipo ---------- */
.equip__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 20px; }
.plate { background: var(--asphalt); color: var(--chalk); border-radius: var(--r); padding: 28px; position: relative; }
.plate::before, .plate::after { /* tornillos de placa */
  content: ""; position: absolute; top: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--rule);
}
.plate::before { left: 12px; } .plate::after { right: 12px; }
.plate__t { font: 700 15px/1 var(--cond); letter-spacing: .14em; text-transform: uppercase; color: var(--yellow); margin-bottom: 18px; }
.specs { margin: 0; display: grid; }
.specs div { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 14px 0; border-bottom: 1px dashed var(--rule); }
.specs dt { font: 600 18px/1.2 var(--cond); letter-spacing: .04em; text-transform: uppercase; }
.specs dd { margin: 0; font: 400 26px/1 var(--display); color: var(--yellow); white-space: nowrap; font-variant-numeric: tabular-nums; }
.specs dd.is-txt { font: 700 17px/1 var(--cond); letter-spacing: .08em; text-transform: uppercase; }
.toollist { columns: 2; column-gap: 28px; }
.toollist li { break-inside: avoid; padding: 9px 0; border-bottom: 1px dashed var(--rule); font-size: 16px; color: #d5d6d9; }

/* ---------- Empresa ---------- */
.values { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.value { display: grid; gap: 12px; align-content: start; padding-top: 20px; border-top: 3px solid var(--blue); }
.value h3 { font: 700 22px/1 var(--cond); letter-spacing: .1em; text-transform: uppercase; color: var(--yellow); }
.value p { color: var(--chalk-2); }

.process { margin-top: clamp(48px, 7vw, 80px); }
.process__t, .coverage__t { font: 600 14px/1 var(--cond); letter-spacing: .14em; text-transform: uppercase; color: var(--chalk-2); margin-bottom: 20px; }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); counter-reset: s; border: 1px solid var(--rule); border-radius: var(--r); }
.steps li { counter-increment: s; padding: 22px 20px; display: grid; gap: 6px; align-content: start; }
.steps li + li { border-left: 1px solid var(--rule); }
.steps li::before { content: "Paso " counter(s); font: 700 13px/1 var(--cond); letter-spacing: .14em; text-transform: uppercase; color: var(--yellow); }
.steps b { font: 700 19px/1.2 var(--cond); letter-spacing: .03em; text-transform: uppercase; }
.steps span { font-size: 15px; color: var(--chalk-2); }

.coverage { margin-top: clamp(48px, 7vw, 80px); }
.coverage__list { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.coverage__list li { background: var(--steel); border-left: 3px solid var(--yellow); padding: 14px; display: grid; gap: 4px; }
.coverage__list b { font: 700 17px/1.15 var(--cond); letter-spacing: .03em; text-transform: uppercase; }
.coverage__list span { font-size: 14px; color: var(--chalk-2); line-height: 1.35; }

/* ---------- Preguntas ---------- */
.faq-wrap { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 40px; align-items: start; }
.faq-wrap .section__head { margin-bottom: 0; }
.faq details { border-bottom: 1px solid #c3c5ca; }
.faq details:first-child { border-top: 1px solid #c3c5ca; }
.faq summary { list-style: none; cursor: pointer; padding: 20px 40px 20px 0; position: relative; font: 700 20px/1.25 var(--cond); letter-spacing: .02em; text-transform: uppercase; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font: 400 30px/1 var(--display); color: var(--blue); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 20px; color: var(--ink-2); max-width: 62ch; }

/* ---------- Contacto ---------- */
.contact { border-top: 14px solid; border-image: repeating-linear-gradient(-45deg, var(--yellow) 0 18px, var(--asphalt) 18px 36px) 14; }
.contact__in { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(32px, 5vw, 64px); align-items: start; }
.contact__info { display: grid; gap: 20px; }
.contact__info h2 { font: 400 clamp(36px, 4.6vw, 58px)/1.02 var(--display); }
.people { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.person { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 16px; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.person__name { font: 600 14px/1.2 var(--cond); letter-spacing: .1em; text-transform: uppercase; color: var(--chalk-2); }
.person__num { grid-column: 1; font: 600 21px/1.3 var(--cond); letter-spacing: .03em; user-select: all; overflow-wrap: anywhere; }
.person__act { grid-column: 2; grid-row: 1 / span 2; display: flex; gap: 14px; align-items: center; }
.person__act a { font: 700 14px/1 var(--cond); letter-spacing: .1em; text-transform: uppercase; color: var(--yellow); text-decoration: none; border-bottom: 2px solid transparent; padding-bottom: 2px; }
.person__act a:hover { border-color: var(--yellow); }

.form { background: var(--concrete); color: var(--ink); border-radius: var(--r); padding: clamp(22px, 3.4vw, 36px); display: grid; gap: 20px; color-scheme: light; }
.form__t { font: 700 15px/1 var(--cond); letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: grid; gap: 6px; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label { font: 600 14px/1.2 var(--cond); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.field input, .field select, .field textarea {
  width: 100%; font: 400 16px/1.4 var(--body); color: var(--ink);
  background: #fff; border: 1.5px solid #c3c5ca; border-radius: 3px; padding: 12px 13px;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(68, 76, 209, .2); }
.field .is-invalid, .field input.is-invalid { border-color: #c4302b; }
.field--check { grid-template-columns: auto 1fr; align-items: center; gap: 10px; }
.field--check input { width: 20px; height: 20px; accent-color: var(--blue); }
.field--check label { text-transform: none; letter-spacing: 0; font: 400 15px/1.4 var(--body); }
.field--check a { color: var(--blue); }
.hp { position: absolute; left: -9999px; }
.form__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.form__captcha { min-height: 78px; margin: 4px 0 16px; }
@media (max-width: 360px) { .form__captcha { transform: scale(.88); transform-origin: 0 0; min-height: 70px; } }
.form .btn--ghost { color: var(--ink); border-color: #9a9da3; }
.form .btn--ghost:hover { color: var(--blue); border-color: var(--blue); }
.form__status { font-size: 15px; min-height: 1.4em; }
.form__status.is-ok { color: #13703a; font-weight: 600; }
.form__status.is-err { color: #b3261e; font-weight: 600; }
.form__status.is-info { color: var(--ink-2); }

/* ---------- Pie ---------- */
.footer { background: var(--steel); color: var(--chalk-2); padding-bottom: 28px; }
.footer__in { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; padding-block: 44px 28px; }
.footer__brand { display: grid; gap: 14px; font-size: 15px; }
.footer__brand img { width: 190px; }
.footer__nav, .footer__contact { display: grid; gap: 10px; align-content: start; }
.footer a { color: var(--chalk); text-decoration: none; font: 600 16px/1.3 var(--cond); letter-spacing: .05em; text-transform: uppercase; }
.footer__contact a { text-transform: none; letter-spacing: .02em; }
.footer a:hover { color: var(--yellow); }
.footer__legal { font-size: 13px; border-top: 1px solid var(--rule); padding-top: 20px; }

/* ---------- WhatsApp flotante y barra móvil ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: calc(22px + env(safe-area-inset-bottom, 0px)); z-index: 50;
  width: 60px; height: 60px; border-radius: 50%; background: var(--wa); color: #fff;
  display: grid; place-items: center; box-shadow: 0 10px 28px rgba(0,0,0,.4);
  transition: transform .15s ease;
}
.wa-float svg { width: 32px; height: 32px; }
.wa-float:hover { transform: scale(1.06); }
.wa-float__tip {
  position: absolute; right: 72px; white-space: nowrap; background: var(--chalk); color: var(--ink);
  font: 700 14px/1 var(--cond); letter-spacing: .06em; text-transform: uppercase; padding: 10px 12px; border-radius: 3px;
  opacity: 0; transform: translateX(6px); transition: opacity .2s, transform .2s; pointer-events: none;
}
.wa-float:hover .wa-float__tip, .wa-float:focus-visible .wa-float__tip { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .wa-float::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--wa); animation: ping 2.8s ease-out infinite; }
  @keyframes ping { 0% { transform: scale(1); opacity: .8; } 70%, 100% { transform: scale(1.5); opacity: 0; } }
}

.mbar { display: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 1080px) {
  .projects { grid-auto-columns: calc((100% - 2 * 18px) / 3); }
  .coverage__list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 920px) {
  .nav-toggle {
    display: grid; place-items: center; width: 46px; height: 46px; background: transparent;
    border: 1px solid var(--rule); border-radius: var(--r); cursor: pointer; color: var(--chalk);
  }
  .nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after { display: block; width: 22px; height: 2px; background: currentColor; position: relative; }
  .nav-toggle__bar::before, .nav-toggle__bar::after { content: ""; position: absolute; left: 0; }
  .nav-toggle__bar::before { top: -7px; } .nav-toggle__bar::after { top: 7px; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--asphalt); border-bottom: 1px solid var(--rule); padding: 8px var(--gutter) 20px;
  }
  .nav:not(.is-open) { display: none; }
  .nav a:not(.btn) { padding: 15px 0; border-bottom: 1px solid var(--rule); font-size: 18px; }
  .nav .btn { margin-top: 16px; }

  .hero__in { grid-template-columns: 1fr; }
  .rig { max-width: 520px; width: 100%; justify-self: center; }
  .rig__hook { margin-top: 0; }
  .services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc--wide { grid-template-columns: auto minmax(0, 1fr); }
  .svc--wide .btn { grid-column: 1 / -1; justify-self: start; }
  .section__head--row { grid-template-columns: 1fr; }
  .equip__grid, .faq-wrap, .contact__in { grid-template-columns: 1fr; }
  .values { grid-template-columns: 1fr; gap: 24px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps li:nth-child(3) { border-left: 0; }
  .steps li:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .clients__in { grid-template-columns: 1fr; gap: 12px; }
  .clients__t { max-width: none; }
  .footer__in { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  body { font-size: 16px; padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px)); }
  .topbar__loc { display: none; }
  .topbar__in { justify-content: center; }
  .brand img { width: 140px; }
  .hero__cta .btn { width: 100%; }
  .hero__specs { grid-template-columns: 1fr; }
  .hero__specs li, .hero__specs li + li { padding: 14px 0; border-left: 0; border-bottom: 1px solid var(--rule); grid-template-columns: 1fr; gap: 6px; }
  .hero__specs b { font-size: 30px; }
  .projects { grid-auto-columns: 78%; gap: 12px; }
  .prj__body { padding: 12px; }
  .prj h3 { font-size: 14px; }
  .prj__qty { font-size: 18px; }
  .more { grid-template-columns: 1fr; gap: 12px; }
  .more ul { grid-template-columns: 1fr; }
  .services { grid-template-columns: 1fr; }
  .svc { padding: 22px; }
  .svc--wide { grid-template-columns: 1fr; }
  .specs dd.is-txt { font: 700 17px/1 var(--cond); letter-spacing: .08em; text-transform: uppercase; }
.toollist { columns: 1; }
  .specs dd { font-size: 22px; }
  .coverage__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: 1fr; }
  .steps li + li { border-left: 0; border-top: 1px solid var(--rule); }
  .form__grid { grid-template-columns: 1fr; }
  .form__actions .btn { width: 100%; }
  .person { grid-template-columns: 1fr; }
  .person__act { grid-column: 1; grid-row: auto; margin-top: 8px; }
  .footer__in { grid-template-columns: 1fr; }
  .wa-float { display: none; }
  .mbar {
    display: grid; grid-template-columns: 1fr 1.2fr 1fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    background: var(--asphalt); border-top: 1px solid var(--rule);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
  .mbar a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; min-height: 62px; text-decoration: none; color: var(--chalk); font: 700 13px/1 var(--cond); letter-spacing: .08em; text-transform: uppercase; }
  .mbar svg { width: 22px; height: 22px; }
  .mbar .mbar__wa { background: var(--wa); color: var(--wa-ink); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .prj img { transition: none; }
}