/* =============================================================
   SERVIMET S.A.S. — sistema visual
   Paleta y tipografías de la identidad existente.
   Nota de rendimiento: cero desenfoques, cero modos de fusión y
   cero backdrop-filter. Todo lo que se mueve, se mueve con
   transform/opacity, que resuelve la placa de video.
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  /* Paleta */
  --carbon:   #0B0B0C;   /* negro carbón */
  --grafito:  #15171A;
  --acero:    #22262B;   /* acero oscuro — tarjetas */
  --acero-2:  #2C3138;   /* tarjeta elevada */
  --gris:     #6E757D;   /* gris acero — metadatos */
  --gris-2:   #9BA3AC;
  --hueso:    #E9ECEF;   /* texto principal, nunca blanco puro */
  --blanco:   #FFFFFF;
  --azul:     #3B72BF;   /* azul Servimet */
  --azul-cla: #5B92DF;
  --azul-osc: #2A538C;
  --azul-tenue: rgba(59,114,191,.12);

  --linea:    rgba(233,236,239,.13);
  --linea-2:  rgba(233,236,239,.07);

  /* Tipografía */
  --display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --sans:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "Cascadia Mono", monospace;

  /* Curvas */
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Medidas */
  --nav-h: 76px;
  --gutter: clamp(1.15rem, 4vw, 4rem);
  --maxw: 1440px;
}

/* =============================================================
   2. Reset y base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.62;
  color: var(--gris-2);
  background: var(--carbon);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; color: var(--hueso); }

::selection { background: var(--azul); color: #fff; }

:focus-visible { outline: 2px solid var(--azul-cla); outline-offset: 3px; border-radius: 3px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .6rem 1rem; background: var(--hueso); color: var(--carbon);
  border-radius: 6px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* =============================================================
   3. Utilidades
   ============================================================= */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.kicker {
  font-family: var(--mono);
  font-size: .68rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gris);
  display: flex; align-items: center; gap: .7rem;
  margin-bottom: 1.3rem;
}
.sec-num { color: var(--azul); font-weight: 500; }
.sec-num::after {
  content: ""; display: inline-block; width: 26px; height: 1px;
  background: var(--azul); vertical-align: middle; margin-left: .7rem; opacity: .6;
}

.sec-head { max-width: 48rem; margin-bottom: clamp(2.4rem, 5vw, 4rem); }
.sec-head-center { margin-inline: auto; text-align: center; }
.sec-head-center .kicker { justify-content: center; }

.sec-title {
  font-family: var(--display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(1.9rem, 4.4vw, 3.6rem);
  line-height: 1.0;
  letter-spacing: -.015em;
}
.sec-title em { font-style: normal; color: var(--azul-cla); }

.sec-lede {
  margin-top: 1.4rem;
  color: var(--gris);
  font-size: clamp(.95rem, 1.1vw, 1.06rem);
  max-width: 46rem;
  margin-inline: auto;
}
.sec-lede-left { margin-inline: 0; }

/* =============================================================
   4. Componentes
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  position: relative;
  padding: 1.05rem 1.8rem;
  font-family: var(--mono);
  font-size: .73rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  border-radius: 2px;
  transition: transform .4s var(--ease-soft), box-shadow .4s var(--ease-soft),
              background-color .3s var(--ease-out), border-color .3s var(--ease-out),
              color .3s var(--ease-out);
}
.btn-sm { padding: .7rem 1.15rem; font-size: .67rem; }

.btn-primary {
  background: var(--azul); color: #fff;
  box-shadow: 0 4px 14px rgba(0,0,0,.3);
}
.btn-primary:hover { background: var(--azul-cla); transform: translateY(-3px); box-shadow: 0 18px 36px rgba(0,0,0,.42); }
.btn-primary:active { transform: translateY(-1px); transition-duration: .1s; }

.btn-ghost { color: var(--hueso); border: 1px solid var(--linea); background: rgba(233,236,239,.02); }
.btn-ghost:hover { border-color: rgba(59,114,191,.6); background: var(--azul-tenue); transform: translateY(-3px); }

.btn-light { background: var(--hueso); color: var(--carbon); }
.btn-light:hover { background: #fff; transform: translateY(-3px); }

/* Marca — logotipo real vectorizado del dossier */
.brand { display: inline-flex; align-items: center; gap: .7rem; }
.brand-logo { height: 40px; width: auto; display: block; }
.footer-brand .brand-logo { height: 52px; }
.brand-mark { width: 30px; height: 30px; color: var(--azul); flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text strong {
  font-family: var(--display); font-weight: 800;
  font-size: 1.28rem; letter-spacing: .04em; color: var(--hueso);
}
.brand-text em {
  font-style: normal; font-family: var(--mono);
  font-size: .5rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gris); margin-top: .3rem;
}

/* =============================================================
   5. Nav
   ============================================================= */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background-color .35s var(--ease-out), border-color .35s var(--ease-out);
}
.nav.is-scrolled { background: rgba(11,11,12,.95); border-bottom-color: var(--linea-2); }

.nav-inner {
  max-width: var(--maxw); margin-inline: auto;
  padding: 0 var(--gutter); height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.nav-links { display: none; gap: clamp(.9rem, 1.9vw, 1.9rem); }
.nav-link {
  position: relative;
  font-family: var(--mono); font-size: .68rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--gris-2); padding: .3rem 0;
  transition: color .25s var(--ease-out);
}
.nav-link:hover { color: var(--hueso); }
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: var(--azul); transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease-soft);
}
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-actions { display: flex; align-items: center; gap: .8rem; }
.nav-actions .btn-primary { display: none; }

.nav-burger {
  width: 42px; height: 42px; display: grid; place-content: center; gap: 6px;
  border: 1px solid var(--linea); border-radius: 2px;
}
.nav-burger span { display: block; width: 18px; height: 1.5px; background: var(--hueso); transition: transform .35s var(--ease-soft); }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.75px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.75px) rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: 0; z-index: 90;
  background: var(--grafito);
  display: grid; align-content: center; justify-items: center; gap: 2.5rem;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .6s var(--ease-soft);
}
.nav-mobile[aria-hidden="false"] { clip-path: inset(0); }
.nav-mobile nav { display: grid; gap: 1rem; text-align: center; }
.nav-mobile nav a {
  font-family: var(--display); font-size: 1.9rem; font-weight: 700;
  text-transform: uppercase; color: var(--hueso);
}
.nav-mobile nav a:hover { color: var(--azul-cla); }
.nav-mobile-foot {
  display: grid; gap: .8rem; text-align: center; justify-items: center;
  font-family: var(--mono); font-size: .74rem; color: var(--gris);
}

/* =============================================================
   6. Hero
   ============================================================= */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + clamp(1.6rem, 5vh, 3.5rem)) 0 clamp(2.4rem, 6vh, 4.5rem);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg picture { display: block; width: 100%; height: 100%; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; will-change: transform; }
.hero-tint {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(11,11,12,.90) 0%, rgba(11,11,12,.62) 34%, rgba(11,11,12,.12) 66%, rgba(11,11,12,.34) 100%),
    linear-gradient(180deg, rgba(11,11,12,.52) 0%, rgba(11,11,12,.06) 36%, rgba(11,11,12,.26) 72%, rgba(11,11,12,.80) 100%);
}

.hero-inner { position: relative; width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.kicker-hero { margin-bottom: clamp(.9rem, 2.4vh, 1.6rem); }
.kicker-dot { position: relative; width: 7px; height: 7px; border-radius: 50%; background: var(--azul); flex: none; }
.kicker-dot::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: rgba(59,114,191,.55);
  animation: dotPulse 2.6s var(--ease-out) infinite;
}
@keyframes dotPulse {
  0%   { transform: scale(1);   opacity: .6; }
  70%  { transform: scale(3.8); opacity: 0; }
  100% { transform: scale(3.8); opacity: 0; }
}

.hero-title {
  font-family: var(--display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(2.6rem, min(8vw, 11vh), 6.6rem);
  line-height: .95; letter-spacing: -.02em;
  max-width: 15ch;
  color: var(--blanco);
}
.hero-title em { font-style: normal; color: var(--azul-cla); }

.hero-sub {
  margin-top: clamp(1rem, 2.4vh, 1.7rem);
  max-width: 46ch;
  font-size: clamp(.98rem, 1.2vw, 1.1rem);
  color: var(--gris-2);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: clamp(1.4rem, 3.2vh, 2.3rem); }

.hero-sectores {
  display: flex; flex-wrap: wrap; gap: .5rem;
  margin-top: clamp(1.6rem, 4vh, 2.8rem);
}
.hero-sectores li {
  font-family: var(--mono); font-size: .62rem;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--gris-2);
  border: 1px solid var(--linea); border-radius: 2px;
  padding: .45rem .8rem;
  background: rgba(11,11,12,.5);
}

/* =============================================================
   7. Propuesta de valor
   ============================================================= */
.valor { padding: clamp(4rem, 9vw, 7.5rem) 0; background: var(--grafito); border-block: 1px solid var(--linea-2); }

.flujo { display: grid; gap: 1rem; counter-reset: paso; }
.flujo-paso { position: relative; }
.flujo-media { overflow: hidden; border: 1px solid var(--linea); border-radius: 3px; margin-bottom: .95rem; background: var(--acero); }
.flujo-media img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover;
  transition: transform .8s var(--ease-soft);
}
.flujo-paso:hover .flujo-media img { transform: scale(1.06); }
.flujo-num { font-family: var(--mono); font-size: .66rem; letter-spacing: .18em; color: var(--azul); display: block; margin-bottom: .45rem; }
.flujo-paso h3 { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: 1.05rem; letter-spacing: .01em; margin-bottom: .4rem; }
.flujo-paso p { font-size: .86rem; color: var(--gris); }

.pilares { display: grid; gap: 1px; margin-top: clamp(2.4rem, 5vw, 4rem); background: var(--linea-2); border-top: 1px solid var(--linea); }
.pilar { background: var(--grafito); padding: 1.5rem 0 1.6rem; border-bottom: 1px solid var(--linea); }
.pilar h3 { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: 1.02rem; letter-spacing: .02em; margin-bottom: .5rem; }
.pilar p { font-size: .88rem; color: var(--gris); }

/* =============================================================
   8. Servicios
   ============================================================= */
.servicios { padding: clamp(4rem, 9vw, 7.5rem) 0; background: var(--carbon); }
.srv-grid { display: grid; gap: 1.1rem; }

.srv {
  position: relative; isolation: isolate;
  background: var(--acero);
  border: 1px solid var(--linea);
  border-radius: 3px; overflow: hidden;
  transition: border-color .4s var(--ease-out), box-shadow .5s var(--ease-soft), transform .5s var(--ease-soft);
}
.srv:hover { border-color: rgba(59,114,191,.45); box-shadow: 0 30px 60px -28px rgba(0,0,0,.8); transform: translateY(-4px); }
.srv-media { overflow: hidden; background: var(--grafito); }
.srv-media img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  transition: transform .85s var(--ease-soft);
}
.srv:hover .srv-media img { transform: scale(1.06); }
.srv-body { padding: 1.4rem 1.4rem 1.6rem; }
.srv-body h3 { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: 1.16rem; letter-spacing: .01em; margin-bottom: .6rem; }
.srv-body p { font-size: .89rem; color: var(--gris); }
.srv-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: 1rem; }
.srv-tags li {
  font-family: var(--mono); font-size: .57rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--azul-cla); background: var(--azul-tenue);
  padding: .3rem .5rem; border-radius: 2px;
}

/* =============================================================
   9. Industrias
   ============================================================= */
.industrias { padding: clamp(4rem, 9vw, 7.5rem) 0; background: var(--grafito); border-block: 1px solid var(--linea-2); }
.ind-grid { display: grid; gap: 1.1rem; }
.ind {
  background: var(--acero); border: 1px solid var(--linea); border-radius: 3px; overflow: hidden;
  transition: border-color .4s var(--ease-out), box-shadow .5s var(--ease-soft);
}
.ind:hover { border-color: rgba(59,114,191,.45); box-shadow: 0 30px 60px -28px rgba(0,0,0,.8); }
.ind-media { overflow: hidden; }
.ind-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .9s var(--ease-soft); }
.ind:hover .ind-media img { transform: scale(1.05); }
.ind-body { padding: 1.5rem 1.5rem 1.7rem; }
.ind-body h3 { font-family: var(--display); font-weight: 800; text-transform: uppercase; font-size: clamp(1.4rem, 2.2vw, 1.8rem); letter-spacing: .01em; margin-bottom: .7rem; }
.ind-body p { font-size: .89rem; color: var(--gris); }
.ind-clientes {
  margin-top: .9rem; padding-top: .8rem; border-top: 1px solid var(--linea);
  font-family: var(--mono); font-size: .62rem; letter-spacing: .1em;
  color: var(--gris) !important; text-transform: uppercase;
}

/* =============================================================
   10. Proyectos (carrusel)
   ============================================================= */
.showcase { padding: clamp(4rem, 9vw, 7rem) 0 clamp(3rem, 6vw, 5rem); background: var(--carbon); }
.showcase-head { margin-bottom: clamp(2rem, 4vw, 3rem); }
.showcase-head-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }

.showcase-nav { display: none; gap: .5rem; }
.js .showcase-nav { display: flex; }
.sc-btn {
  width: 52px; height: 52px; display: grid; place-items: center;
  border: 1px solid var(--linea); border-radius: 2px;
  background: rgba(233,236,239,.02); color: var(--hueso);
  transition: background-color .3s var(--ease-out), border-color .3s var(--ease-out), color .3s var(--ease-out), transform .3s var(--ease-soft), opacity .3s;
}
.sc-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.sc-btn:hover:not(:disabled) { background: var(--azul-tenue); border-color: rgba(59,114,191,.55); color: var(--azul-cla); transform: translateY(-2px); }
.sc-btn:disabled { opacity: .28; cursor: not-allowed; }

.showcase-hint { margin-top: 1.2rem; font-family: var(--mono); font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gris); }
.showcase-progress { display: none; margin-top: 1.1rem; height: 2px; background: var(--linea-2); overflow: hidden; }
.js .showcase-progress { display: block; }
.showcase-progress span {
  display: block; height: 100%; width: 100%; background: var(--azul);
  transform-origin: 0 50%; transform: scaleX(.08);
  transition: transform .18s linear;
}

.showcase-viewport {
  overflow-x: auto; overflow-y: visible;
  scroll-snap-type: x mandatory;
  scroll-padding-inline-start: max(var(--gutter), calc((100% - var(--maxw)) / 2 + var(--gutter)));
  -webkit-overflow-scrolling: touch;
  padding-block: .4rem 1.8rem;
  scrollbar-width: thin; scrollbar-color: var(--azul) transparent;
}
.showcase-viewport::-webkit-scrollbar { height: 3px; }
.showcase-viewport::-webkit-scrollbar-track { background: var(--linea-2); }
.showcase-viewport::-webkit-scrollbar-thumb { background: var(--azul); }

.showcase-track {
  display: flex; flex-wrap: nowrap; gap: 1.1rem;
  padding-inline: max(var(--gutter), calc((100% - var(--maxw)) / 2 + var(--gutter)));
  width: max-content;
}
.js .showcase-viewport { cursor: grab; }
.js .showcase-viewport.is-dragging { cursor: grabbing; user-select: none; scroll-snap-type: none; }
.js .showcase-viewport.is-dragging a { pointer-events: none; }
@media (hover: none) { .js .showcase-viewport { cursor: auto; } }

.obra {
  flex: 0 0 auto; width: clamp(268px, 76vw, 372px);
  scroll-snap-align: start;
  background: var(--acero); border: 1px solid var(--linea); border-radius: 3px;
  display: flex; flex-direction: column; overflow: hidden;
  transition: border-color .4s var(--ease-out), box-shadow .5s var(--ease-soft), transform .5s var(--ease-soft);
}
.obra:hover { border-color: rgba(59,114,191,.45); box-shadow: 0 36px 64px -30px rgba(0,0,0,.85); transform: translateY(-4px); }
.obra-media { position: relative; overflow: hidden; background: var(--grafito); }
.obra-img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform .9s var(--ease-soft); }
.obra:hover .obra-img { transform: scale(1.06); }
.obra-badge {
  position: absolute; top: .8rem; left: .8rem;
  font-family: var(--mono); font-size: .56rem; letter-spacing: .16em; text-transform: uppercase;
  background: var(--azul); color: #fff; padding: .35rem .6rem; border-radius: 2px;
}
.obra-destacada { border-color: rgba(59,114,191,.4); }

.obra-body { padding: 1.3rem 1.3rem 1.5rem; display: flex; flex-direction: column; gap: .65rem; flex: 1; }
.obra-client { font-family: var(--mono); font-size: .61rem; letter-spacing: .16em; text-transform: uppercase; color: var(--azul-cla); }
.obra-title { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: 1.16rem; line-height: 1.1; }
.obra-desc { font-size: .855rem; color: var(--gris); line-height: 1.58; }
.obra-ficha { margin-top: auto; padding-top: .8rem; border-top: 1px solid var(--linea); display: grid; gap: .5rem; }
.obra-ficha div { display: grid; grid-template-columns: 6.6rem 1fr; gap: .6rem; align-items: baseline; }
.obra-ficha dt { font-family: var(--mono); font-size: .55rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gris); }
.obra-ficha dd { font-size: .8rem; color: var(--hueso); }

.obra-cta { background: linear-gradient(165deg, var(--azul-osc), #17325a 75%); border-color: rgba(59,114,191,.55); justify-content: center; }
.obra-cta .obra-body { padding: 2rem 1.6rem; gap: 1rem; }
.obra-cta .obra-client { color: rgba(255,255,255,.7); }
.obra-cta .obra-title { color: #fff; }
.obra-cta .obra-desc { color: rgba(255,255,255,.85); }
.obra-cta .btn { margin-top: .5rem; align-self: flex-start; }

/* =============================================================
   11. Fabricación propia
   ============================================================= */
.fabricacion { padding: clamp(4rem, 9vw, 7.5rem) 0; background: var(--grafito); border-block: 1px solid var(--linea-2); }
.fab-grid { display: grid; gap: clamp(2rem, 4vw, 3.5rem); align-items: start; }
.procesos { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.8rem; }
.procesos li {
  font-family: var(--mono); font-size: .63rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--hueso); border: 1px solid var(--linea); border-left: 2px solid var(--azul);
  padding: .5rem .75rem; background: var(--acero);
  transition: border-color .3s var(--ease-out), color .3s var(--ease-out);
}
.procesos li:hover { border-color: rgba(59,114,191,.5); border-left-color: var(--azul-cla); color: var(--azul-cla); }
.fab-figura { border: 1px solid var(--linea); overflow: hidden; margin: 0; }
.fab-figura img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.fab-figura figcaption {
  padding: .9rem 1.1rem; background: var(--acero);
  font-family: var(--mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gris);
}

/* =============================================================
   12. Acero inoxidable
   ============================================================= */
.inox { padding: clamp(4rem, 9vw, 7.5rem) 0; background: var(--carbon); }
.inox-grid { display: grid; gap: 1.2rem; align-items: start; }
.inox-foto { margin: 0; border: 1px solid var(--linea); overflow: hidden; background: var(--acero); }
.inox-foto img { width: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.inox-foto-alta img { aspect-ratio: 4 / 5; }
.inox-foto figcaption {
  padding: .85rem 1rem;
  font-family: var(--mono); font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gris);
}
.inox-lista ul { display: grid; gap: .7rem; }
.inox-lista ul li {
  position: relative; padding-left: 1.5rem; font-size: .92rem; color: var(--gris-2);
}
.inox-lista ul li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 9px; height: 1px; background: var(--azul);
}
.inox-ficha { margin-top: 1.8rem; display: grid; gap: 0; }
.inox-ficha div { display: grid; grid-template-columns: 8rem 1fr; gap: .8rem; padding: .75rem 0; border-top: 1px solid var(--linea); align-items: baseline; }
.inox-ficha div:last-child { border-bottom: 1px solid var(--linea); }
.inox-ficha dt { font-family: var(--mono); font-size: .58rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gris); }
.inox-ficha dd { font-size: .88rem; color: var(--hueso); }

/* =============================================================
   13. Planta en operación
   ============================================================= */
.operacion { position: relative; padding: clamp(4rem, 9vw, 8rem) 0; overflow: hidden; }
.operacion-bg { position: absolute; inset: 0; z-index: -2; }
.operacion-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(11,11,12,.96) 0%, rgba(11,11,12,.8) 48%, rgba(11,11,12,.5) 100%);
}
.operacion-bg img { width: 100%; height: 100%; object-fit: cover; }
.operacion-inner { position: relative; }
.operacion-box { max-width: 42rem; }
.op-lista { display: grid; gap: .65rem; margin-top: 1.8rem; }
.op-lista li { position: relative; padding-left: 1.5rem; font-size: .92rem; color: var(--gris-2); }
.op-lista li::before { content: ""; position: absolute; left: 0; top: .62em; width: 9px; height: 1px; background: var(--azul); }

/* =============================================================
   14. Especialidades
   ============================================================= */
.especialidades { padding: clamp(4rem, 9vw, 7.5rem) 0; background: var(--grafito); border-block: 1px solid var(--linea-2); }
.esp-lista { display: grid; gap: clamp(1.6rem, 3vw, 2.6rem); }
.esp {
  display: grid; gap: 0;
  background: var(--acero); border: 1px solid var(--linea); border-radius: 3px; overflow: hidden;
}
.esp-media { overflow: hidden; }
.esp-media img { width: 100%; height: 100%; min-height: 240px; aspect-ratio: 3 / 2; object-fit: cover; transition: transform .9s var(--ease-soft); }
.esp:hover .esp-media img { transform: scale(1.04); }
.esp-body { padding: clamp(1.5rem, 3vw, 2.4rem); }
.esp-cliente { font-family: var(--mono); font-size: .61rem; letter-spacing: .16em; text-transform: uppercase; color: var(--azul-cla); margin-bottom: .6rem; }
.esp-body h3 { font-family: var(--display); font-weight: 800; text-transform: uppercase; font-size: clamp(1.3rem, 2.2vw, 1.75rem); margin-bottom: .8rem; }
.esp-body > p { font-size: .92rem; color: var(--gris); }
.esp-items { display: grid; gap: .55rem; margin-top: 1.3rem; }
.esp-items li { position: relative; padding-left: 1.5rem; font-size: .86rem; color: var(--gris-2); }
.esp-items li::before { content: ""; position: absolute; left: 0; top: .62em; width: 9px; height: 1px; background: var(--azul); }

/* =============================================================
   15. Modalidades
   ============================================================= */
.modalidades { padding: clamp(4rem, 9vw, 7.5rem) 0; background: var(--carbon); }
.mod-grid { display: grid; gap: 1.1rem; }
.mod {
  padding: clamp(1.6rem, 3vw, 2.3rem);
  background: var(--acero); border: 1px solid var(--linea); border-top: 2px solid var(--azul);
  border-radius: 3px;
  transition: border-color .4s var(--ease-out), transform .5s var(--ease-soft), box-shadow .5s var(--ease-soft);
}
.mod:hover { transform: translateY(-4px); box-shadow: 0 30px 56px -28px rgba(0,0,0,.8); }
.mod-num { font-family: var(--mono); font-size: .61rem; letter-spacing: .18em; text-transform: uppercase; color: var(--azul); margin-bottom: .8rem; }
.mod h3 { font-family: var(--display); font-weight: 800; text-transform: uppercase; font-size: clamp(1.3rem, 2vw, 1.6rem); margin-bottom: .8rem; }
.mod > p { font-size: .9rem; color: var(--gris); }
.mod-para { margin-top: 1.1rem; padding-top: .9rem; border-top: 1px solid var(--linea); font-size: .85rem; color: var(--gris-2) !important; }
.mod-para strong { color: var(--hueso); font-weight: 600; }

/* =============================================================
   16. Clientes
   ============================================================= */
.clientes { padding: clamp(4rem, 9vw, 7.5rem) 0; background: var(--grafito); border-block: 1px solid var(--linea-2); }
.cli-grid { display: grid; gap: 1px; background: var(--linea-2); border: 1px solid var(--linea); }
.cli {
  background: var(--grafito); padding: 1.4rem 1.3rem 1.5rem;
  display: grid; gap: .5rem; align-content: start;
  transition: background-color .35s var(--ease-out);
}
.cli:hover { background: var(--acero); }
.cli strong { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: 1.05rem; letter-spacing: .02em; color: var(--hueso); }
.cli span { font-size: .8rem; color: var(--gris); line-height: 1.5; }

/* =============================================================
   17. Banda CTA
   ============================================================= */
.cta-banda { position: relative; padding: clamp(4rem, 8vw, 6.5rem) 0; overflow: hidden; text-align: center; }
.cta-bg { position: absolute; inset: 0; z-index: -2; }
.cta-bg::after { content: ""; position: absolute; inset: 0; background: rgba(11,11,12,.88); }
.cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-inner { position: relative; display: grid; justify-items: center; gap: 1.1rem; }
.cta-inner p { color: var(--gris-2); max-width: 44ch; }
.cta-acciones { display: flex; flex-wrap: wrap; gap: .9rem; justify-content: center; margin-top: .6rem; }

/* =============================================================
   18. Contacto
   ============================================================= */
.contacto { padding: clamp(4rem, 9vw, 8rem) 0; background: var(--carbon); border-top: 1px solid var(--linea-2); }
.contacto-grid { display: grid; gap: clamp(2.4rem, 5vw, 4.5rem); align-items: start; }

.cotizar { margin-top: 2rem; padding: 1.4rem 1.5rem; background: var(--acero); border: 1px solid var(--linea); border-left: 2px solid var(--azul); border-radius: 3px; }
.cotizar-tit { font-family: var(--mono); font-size: .61rem; letter-spacing: .18em; text-transform: uppercase; color: var(--azul-cla); margin-bottom: .9rem; }
.cotizar ul { display: grid; gap: .5rem; }
.cotizar li { position: relative; padding-left: 1.3rem; font-size: .86rem; color: var(--gris-2); }
.cotizar li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 1px; background: var(--azul); }

.contacto-data { margin-top: 2rem; display: grid; }
.contacto-data li { display: grid; grid-template-columns: 1fr; gap: .25rem; padding: .9rem 0; border-top: 1px solid var(--linea); }
.contacto-data li:last-child { border-bottom: 1px solid var(--linea); }
.cd-label { font-family: var(--mono); font-size: .58rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gris); }
.cd-value { color: var(--hueso); font-weight: 500; }
.cd-value em { display: block; font-style: normal; font-family: var(--mono); font-size: .6rem; letter-spacing: .12em; text-transform: uppercase; color: var(--gris); margin-top: .2rem; }
.cd-link { color: var(--azul-cla); transition: color .3s var(--ease-out); }
.cd-link:hover { color: var(--hueso); text-decoration: underline; text-underline-offset: 4px; }

.contacto-formwrap {
  position: relative;
  background: var(--acero); border: 1px solid var(--linea); border-radius: 3px;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  min-height: 32rem; display: grid;
}
.cta-form { display: grid; gap: .8rem; align-content: start; transition: opacity .5s var(--ease-out), transform .5s var(--ease-soft); }
.cta-form.is-sent { opacity: 0; transform: translateY(-10px); pointer-events: none; }

.field { position: relative; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 1.45rem .9rem .55rem;
  background: rgba(233,236,239,.03);
  border: 1px solid var(--linea); border-radius: 2px;
  color: var(--hueso); font: inherit; font-size: .92rem;
  transition: border-color .25s var(--ease-out), background-color .25s var(--ease-out);
}
.field textarea { resize: vertical; min-height: 6.5rem; }
.field select { appearance: none; cursor: pointer; }
/* Sin esto, la lista desplegable sale con texto casi blanco sobre fondo
   blanco del sistema: solo se lee la opcion que tiene el mouse encima. */
.field select option {
  background-color: #15171A;
  color: #E9ECEF;
}
.field-select::after {
  content: ""; position: absolute; right: 1.05rem; top: 62%;
  width: 7px; height: 7px;
  border-right: 1.5px solid var(--gris); border-bottom: 1.5px solid var(--gris);
  transform: translateY(-50%) rotate(45deg); pointer-events: none;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--azul); background: rgba(59,114,191,.07);
}
.field label {
  position: absolute; left: .9rem; top: 1.05rem; pointer-events: none;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .05em; color: var(--gris);
  transition: all .22s var(--ease-out);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label,
.field select:focus + label,
.field-select label {
  top: .4rem; font-size: .56rem; letter-spacing: .18em; text-transform: uppercase; color: var(--azul-cla);
}
.field textarea + label { top: 1.05rem; }
.field-row { display: grid; gap: .8rem; }

.cta-submit { margin-top: .5rem; overflow: hidden; }
.cta-form-spinner { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; pointer-events: none; transition: opacity .25s; }
.cta-form.is-sending .cta-form-label { opacity: 0; }
.cta-form.is-sending .cta-form-spinner { opacity: 1; }
.cta-form-spinner::after {
  content: ""; width: 17px; height: 17px;
  border: 1.5px solid rgba(255,255,255,.3); border-top-color: #fff;
  border-radius: 50%; animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.form-note { font-size: .76rem; color: var(--gris); line-height: 1.6; }
.form-note a { color: var(--azul-cla); }

.cta-success {
  position: absolute; left: 50%; top: 50%; width: min(90%, 26rem);
  transform: translate(-50%, -40%); text-align: center;
  opacity: 0; pointer-events: none;
  transition: opacity .7s var(--ease-out) .2s, transform .8s var(--ease-soft) .2s;
}
.cta-success.is-visible { opacity: 1; transform: translate(-50%, -50%); pointer-events: auto; }
.success-check { width: 44px; height: 44px; margin: 0 auto 1rem; color: var(--azul-cla); }
.success-check path { stroke: currentColor; stroke-width: 2.2; fill: none; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset .8s var(--ease-out) .3s; }
.cta-success.is-visible .success-check path { stroke-dashoffset: 0; }
.cta-success h3 { font-family: var(--display); font-weight: 800; text-transform: uppercase; font-size: 1.6rem; margin-bottom: .6rem; }
.cta-success p { color: var(--gris); font-size: .9rem; }

/* =============================================================
   19. Footer
   ============================================================= */
.footer { background: var(--carbon); border-top: 1px solid var(--linea); padding-top: clamp(2.6rem, 5vw, 4rem); }
.footer-inner { display: grid; gap: 2rem; padding-bottom: 2.4rem; }
.footer-brand { display: grid; gap: .8rem; justify-items: start; }
.footer-brand .brand-mark { width: 30px; height: 30px; color: var(--azul); }
.footer-claim { font-family: var(--mono); font-size: .62rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gris); }
.footer-nav { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; }
.footer-nav a { font-family: var(--mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--gris); transition: color .3s var(--ease-out); }
.footer-nav a:hover { color: var(--azul-cla); }
.footer-contact { display: grid; gap: .35rem; font-family: var(--mono); font-size: .72rem; color: var(--gris); }
.footer-contact a:hover { color: var(--azul-cla); }
.footer-legal {
  border-top: 1px solid var(--linea-2); padding-block: 1.3rem 1.6rem;
  font-family: var(--mono); font-size: .6rem; letter-spacing: .08em; color: var(--gris);
  display: flex; flex-wrap: wrap; gap: .5rem 1.6rem; justify-content: space-between;
}

/* =============================================================
   20. WhatsApp flotante
   ============================================================= */
.wa-flotante {
  position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: 95;
  width: 58px; height: 58px;
  display: grid; place-items: center;
  background: #1FA855; color: #fff;
  border-radius: 50%;
  box-shadow: 0 10px 28px rgba(0,0,0,.45);
  transition: transform .35s var(--ease-soft), background-color .3s var(--ease-out);
}
.wa-flotante:hover { background: #25c063; transform: translateY(-3px) scale(1.04); }
.wa-flotante svg { width: 30px; height: 30px; fill: currentColor; }

/* =============================================================
   21. Efectos
   ============================================================= */
.js [data-reveal] {
  opacity: 0; transform: translateY(34px);
  transition: opacity .8s var(--ease-soft), transform .8s var(--ease-soft);
}
.js [data-reveal].is-revealed { opacity: 1; transform: none; }
.js [data-reveal][data-split] { opacity: 1; transform: none; }
.split-word { display: inline-block; }

/* =============================================================
   22. Responsive
   ============================================================= */
@media (min-width: 540px) {
  .field-row { grid-template-columns: 1fr 1fr; }
  .flujo { grid-template-columns: repeat(2, 1fr); }
  .cli-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 720px) {
  .srv-grid { grid-template-columns: repeat(2, 1fr); }
  .ind-grid { grid-template-columns: repeat(2, 1fr); }
  .mod-grid { grid-template-columns: repeat(3, 1fr); }
  .pilares { grid-template-columns: repeat(2, 1fr); }
  .pilar { padding: 1.5rem 1.4rem 1.6rem; }
  .inox-grid { grid-template-columns: repeat(2, 1fr); }
  .esp { grid-template-columns: 1fr 1fr; }
  .esp-inv .esp-media { order: 2; }
  .footer-inner { grid-template-columns: 1fr auto; }
  .footer-contact { justify-items: end; text-align: right; }
  .footer-nav { grid-column: 1 / -1; }
}

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-actions .btn-primary { display: inline-flex; }
  .nav-burger { display: none; }
  .flujo { grid-template-columns: repeat(5, 1fr); }
  .srv-grid { grid-template-columns: repeat(3, 1fr); }
  .ind-grid { grid-template-columns: repeat(4, 1fr); }
  .pilares { grid-template-columns: repeat(4, 1fr); }
  .cli-grid { grid-template-columns: repeat(4, 1fr); }
  .fab-grid { grid-template-columns: 1fr 1fr; align-items: center; }
  .contacto-grid { grid-template-columns: 1fr 1fr; }
  .inox-grid { grid-template-columns: 1fr 1.15fr 1fr; align-items: stretch; }
  /* Las dos fotos laterales igualan altura con la columna de texto: si no,
     la de la derecha queda flotando con un hueco muerto debajo. */
  .inox-foto { display: flex; flex-direction: column; }
  .inox-foto img, .inox-foto-alta img { flex: 1; height: 100%; aspect-ratio: auto; min-height: 0; object-fit: cover; }
  .srv-body { padding: 1.5rem 1.5rem 1.7rem; }
}

@media (min-width: 1280px) {
  .obra { width: 386px; }
  .showcase-head-top { flex-wrap: nowrap; }
  .footer-inner { grid-template-columns: 1fr auto 1fr; align-items: start; }
  .footer-nav { grid-column: 2; justify-content: center; }
  .footer-contact { grid-column: 3; }
}

/* =============================================================
   22 bis. Ajustes de celular
   En pantallas chicas las etiquetas técnicas caían a 8-10 px y los
   enlaces quedaban en franjas de 15 px, imposibles de acertar con
   el dedo. Acá se sube el piso de legibilidad y el de superficie
   táctil (referencia: 44 px de alto mínimo).
   ============================================================= */
@media (max-width: 719px) {
  .brand-logo { height: 32px; }
  .footer-brand .brand-logo { height: 42px; }
  .brand { padding-block: .35rem; }

  .kicker { font-size: .72rem; }
  .sec-num, .flujo-num, .mod-num, .cotizar-tit { font-size: .72rem; }

  .hero-sectores li { font-size: .68rem; padding: .5rem .85rem; }
  .srv-tags li { font-size: .64rem; padding: .38rem .6rem; }
  .ind-clientes { font-size: .68rem; }

  .obra-badge { font-size: .62rem; }
  .obra-client, .esp-cliente { font-size: .68rem; }
  .obra-ficha dt, .cd-label, .inox-ficha dt { font-size: .64rem; }
  .obra-ficha dd { font-size: .86rem; }
  .obra-desc { font-size: .9rem; }

  .cotizar li, .esp-items li, .op-lista li, .inox-lista ul li { font-size: .95rem; }
  .showcase-hint { font-size: .7rem; }
  .footer-legal, .footer-claim { font-size: .68rem; }
  .form-note { font-size: .82rem; }
  .inox-foto figcaption, .fab-figura figcaption { font-size: .68rem; }
  .procesos li { font-size: .7rem; padding: .6rem .85rem; }

  /* Superficie táctil: los enlaces sueltos pasan a franjas cómodas */
  .footer-nav a, .footer-contact a, .nav-mobile-foot a { display: inline-block; padding-block: .6rem; }
  .cd-link { display: inline-block; padding-block: .4rem; }
  .cli { padding: 1.5rem 1.3rem 1.6rem; }

  /* Etiqueta flotante del formulario: en escritorio va a .56rem (9 px),
     demasiado chica para leer en un teléfono. */
  .field input:focus + label,
  .field input:not(:placeholder-shown) + label,
  .field textarea:focus + label,
  .field textarea:not(:placeholder-shown) + label,
  .field select:focus + label,
  .field-select label { font-size: .64rem; }
  .field input, .field textarea, .field select { padding-top: 1.6rem; font-size: 1rem; }
  .field label { top: 1.15rem; }
}

/* =============================================================
   23. Reduced-motion — sólo lo intrusivo.
   Windows trae esta preferencia activada en muchos equipos: si
   apagáramos todo, entregaríamos una web muerta.
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .kicker-dot::after { animation: none; opacity: 0; }
}