/* ============================================================
   MECÁNICA INDUSTRIAL J.A.A — styles-v3.css
   Design System · Tema oscuro unificado
   Inspiración: Linear · Vercel · Stripe — carácter industrial
   ============================================================ */

/* ────────────────────────────────────────────────
   1 · TOKENS
   ──────────────────────────────────────────────── */
:root {
  /* Superficies (de fondo a elevado) — azul navy, base del sitio original */
  --bg:        #060C1A;
  --bg-alt:    #0A1226;
  --bg-card:   #0D1B3A;
  --bg-card-2: #122347;
  --bg-hover:  #16294F;

  /* Líneas y bordes */
  --line:        rgba(148, 163, 204, .09);
  --line-soft:   rgba(148, 163, 204, .06);
  --line-strong: rgba(148, 163, 204, .18);

  /* Texto */
  --text-hi: #EEF2F9;
  --text-md: #A6B1C6;
  --text-lo: #66738C;
  --text-xlo: #45506B;

  /* Marca */
  --brand:       #1A3D88;   /* azul del logo */
  --accent:      #4D7DF2;   /* azul legible sobre oscuro */
  --accent-hi:   #7AA0FF;
  --accent-soft: rgba(77, 125, 242, .12);
  --accent-line: rgba(77, 125, 242, .32);
  --wa:          #25D366;
  --wa-dark:     #1DA851;

  /* Tipografía */
  --ff-d: 'Archivo', sans-serif;
  --ff-b: 'IBM Plex Sans', sans-serif;
  --ff-m: 'IBM Plex Mono', monospace;

  /* Escala tipográfica */
  --fs-hero:  clamp(2.625rem, 6.5vw, 5.25rem);
  --fs-h2:    clamp(2rem, 4.5vw, 3.25rem);
  --fs-h3:    clamp(1.125rem, 1.6vw, 1.375rem);
  --fs-h4:    1rem;
  --fs-body:  .9375rem;
  --fs-small: .8125rem;
  --fs-cap:   .6875rem;
  --fs-micro: .625rem;

  /* Espaciado */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;
  --sec-pad: clamp(84px, 10vw, 148px);

  /* Radios */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-full: 999px;

  /* Sombras */
  --sh-sm: 0 1px 2px rgba(0,0,0,.4);
  --sh-md: 0 8px 24px -8px rgba(0,0,0,.5);
  --sh-lg: 0 24px 64px -16px rgba(0,0,0,.65);
  --sh-glow: 0 0 0 1px var(--accent-line), 0 8px 32px -8px rgba(77,125,242,.25);

  /* Motion */
  --ease:   cubic-bezier(.16, 1, .3, 1);
  --spring: cubic-bezier(.34, 1.4, .64, 1);
  --t-fast: .18s;
  --t-med:  .32s;
  --t-slow: .6s;

  --maxw: 1280px;
  --nav-h: 80px;
}

/* ────────────────────────────────────────────────
   2 · RESET + BASE
   ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; scroll-padding-top: calc(var(--nav-h) + 16px); }
body {
  font-family: var(--ff-b);
  font-size: var(--fs-body);
  color: var(--text-md);
  background: var(--bg);
  line-height: 1.65;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font: inherit; border: none; background: none; color: inherit; }

::selection { background: rgba(77,125,242,.32); color: var(--text-hi); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Scrollbar sutil */
@media (pointer: fine) {
  ::-webkit-scrollbar { width: 10px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: #1E2B4D; border-radius: 8px; border: 2px solid var(--bg); }
  ::-webkit-scrollbar-thumb:hover { background: #2C3D6B; }
}

/* ────────────────────────────────────────────────
   3 · UTILIDADES
   ──────────────────────────────────────────────── */
.container { width: min(var(--maxw), 100%); margin-inline: auto; padding-inline: clamp(20px, 5vw, 56px); }
.section { padding-block: var(--sec-pad); position: relative; }

.bg-base { background: var(--bg); }
.bg-alt  { background: var(--bg-alt); border-block: 1px solid var(--line-soft); }

.sec-cta { text-align: center; margin-top: clamp(36px, 4.5vw, 56px); }

/* Reveal on scroll — solo se oculta si hay JS (html.js) para que el
   contenido siga visible sin JavaScript. */
html.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}
.reveal[data-d="1"] { transition-delay: .1s; }
.reveal[data-d="2"] { transition-delay: .2s; }
.reveal[data-d="3"] { transition-delay: .3s; }
html.js .reveal.is-in { opacity: 1; transform: none; }

/* Eyebrow (etiqueta mono) */
.eyebrow, .sec-label {
  font-family: var(--ff-m);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before, .sec-label::before {
  content: '';
  display: inline-block; width: 22px; height: 1px;
  background: currentColor; opacity: .55;
}
.eyebrow--blt { color: var(--text-lo); }
.sec-label--lt { color: var(--text-lo); }

/* ────────────────────────────────────────────────
   4 · SECTION HEADER
   ──────────────────────────────────────────────── */
.sec-hd { margin-bottom: clamp(48px, 6.5vw, 84px); position: relative; }
.sec-hd[data-n]::before {
  content: attr(data-n);
  position: absolute;
  top: -.18em; right: 0;
  font-family: var(--ff-d); font-weight: 900;
  font-size: clamp(96px, 13vw, 172px);
  line-height: 1; letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(148,163,204,.07);
  pointer-events: none; user-select: none;
  z-index: 0;
}
.sec-hd > * { position: relative; z-index: 1; }

.sec-hd__title {
  font-family: var(--ff-d);
  font-size: var(--fs-h2);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.05;
  color: var(--text-hi);
  margin-top: 14px;
  text-wrap: balance;
}
.sec-hd__sub {
  margin-top: 18px;
  font-size: clamp(.9375rem, 1.4vw, 1.0625rem);
  color: var(--text-lo);
  max-width: 580px;
  line-height: 1.7;
  text-wrap: pretty;
}
.sec-hd--center { text-align: center; }
.sec-hd--center .sec-hd__sub { margin-inline: auto; }

/* ────────────────────────────────────────────────
   5 · BOTONES
   ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--ff-b); font-weight: 600; font-size: var(--fs-body);
  padding: 11px 22px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  white-space: nowrap;
  transition:
    background var(--t-fast) ease,
    color var(--t-fast) ease,
    border-color var(--t-fast) ease,
    box-shadow var(--t-med) ease,
    transform var(--t-fast) var(--spring);
  will-change: transform;
}
.btn:hover  { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn .arr { transition: transform var(--t-fast) var(--ease); }
.btn:hover .arr { transform: translateX(3px); }

.btn--blue, .btn--primary {
  background: linear-gradient(180deg, #3765D6 0%, #2B54BC 100%);
  color: #fff;
  border-color: rgba(122,160,255,.35);
  box-shadow: 0 1px 2px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.12);
}
.btn--blue:hover, .btn--primary:hover {
  background: linear-gradient(180deg, #4272E8 0%, #325FD2 100%);
  box-shadow: 0 4px 20px -4px rgba(77,125,242,.5), inset 0 1px 0 rgba(255,255,255,.14);
}

.btn--ghost {
  background: rgba(255,255,255,.05);
  color: var(--text-hi);
  border-color: var(--line-strong);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { background: rgba(255,255,255,.09); border-color: rgba(148,163,204,.32); }

.btn--outline-lt {
  background: transparent;
  color: var(--text-hi);
  border-color: var(--line-strong);
}
.btn--outline-lt:hover { background: rgba(255,255,255,.05); border-color: rgba(148,163,204,.4); }

.btn--wa {
  background: var(--wa); color: #04270F;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
}
.btn--wa:hover { background: #2EE375; box-shadow: 0 4px 24px -4px rgba(37,211,102,.45), inset 0 1px 0 rgba(255,255,255,.25); }

.btn--lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--r-md); }

/* ────────────────────────────────────────────────
   6 · NAV
   ──────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background var(--t-med) ease, border-color var(--t-med) ease, backdrop-filter var(--t-med) ease;
  border-bottom: 1px solid transparent;
}
.nav--solid {
  background: rgba(6, 12, 26, .78);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  backdrop-filter: blur(18px) saturate(1.5);
  border-bottom-color: var(--line);
}
.nav__inner {
  display: flex; align-items: center; gap: 32px;
  width: min(var(--maxw), 100%);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 56px);
}
.nav__logo { display: flex; align-items: center; flex-shrink: 0; }
.nav__logo-img {
  height: 68px; width: auto;
  filter: drop-shadow(0 1px 6px rgba(0,0,0,.55));
  transition: opacity var(--t-med) ease;
}
.nav__logo-text { font-family: var(--ff-d); font-weight: 900; font-size: 1.125rem; color: var(--text-hi); }
.nav__logo-text span { color: var(--accent); }

.nav__links {
  display: flex; gap: 4px; margin-left: auto;
  font-size: .875rem; font-weight: 500;
}
.nav__links a {
  color: var(--text-md);
  padding: 7px 13px;
  border-radius: var(--r-full);
  transition: color var(--t-fast) ease, background var(--t-fast) ease;
}
.nav__links a:hover { color: var(--text-hi); background: rgba(255,255,255,.06); }
.nav__links a[aria-current="page"], .nav__links a.is-active { color: var(--text-hi); background: rgba(255,255,255,.07); }

.nav__actions { display: flex; align-items: center; gap: 14px; margin-left: 8px; }
.nav__actions .btn { padding: 9px 18px; font-size: .875rem; }

.nav__burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; align-items: center;
  margin-left: auto;
  border-radius: var(--r-sm);
  transition: background var(--t-fast) ease;
}
.nav__burger:hover { background: rgba(255,255,255,.06); }
.nav__burger span {
  display: block; width: 20px; height: 2px;
  background: var(--text-hi); border-radius: 2px;
  transition: transform var(--t-med) var(--ease), opacity var(--t-fast) ease;
}

/* ────────────────────────────────────────────────
   7 · MENÚ MÓVIL
   ──────────────────────────────────────────────── */
.mm {
  position: fixed; inset: 0; z-index: 950;
  background: rgba(6,12,26,.92);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  display: flex; flex-direction: column;
  padding: 24px clamp(20px, 6vw, 40px) 32px;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform .45s var(--ease), visibility 0s linear .45s;
}
.mm.open { transform: none; visibility: visible; transition: transform .45s var(--ease), visibility 0s; }

.mm__x {
  align-self: flex-end;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-hi); font-size: 1.25rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-full);
  transition: background var(--t-fast) ease, transform var(--t-fast) var(--spring);
}
.mm__x:hover { background: rgba(255,255,255,.08); transform: rotate(90deg); }

.mm__nav { display: flex; flex-direction: column; margin-top: 32px; }
.mm__nav a {
  font-family: var(--ff-d); font-size: clamp(1.75rem, 7vw, 2.25rem); font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text-md); padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: color var(--t-fast) ease, padding-left var(--t-med) var(--ease), transform .5s var(--ease), opacity .5s ease;
  opacity: 0; transform: translateX(24px);
}
.mm__nav a:hover { color: var(--text-hi); padding-left: 10px; }
.mm.open .mm__nav a { opacity: 1; transform: none; }
.mm.open .mm__nav a:nth-child(1) { transition-delay: .08s; }
.mm.open .mm__nav a:nth-child(2) { transition-delay: .14s; }
.mm.open .mm__nav a:nth-child(3) { transition-delay: .2s; }
.mm.open .mm__nav a:nth-child(4) { transition-delay: .26s; }
.mm.open .mm__nav a:nth-child(5) { transition-delay: .32s; }

.mm__footer { display: flex; flex-direction: column; gap: 12px; margin-top: auto; }
.mm__tel {
  display: flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--ff-m); font-size: 1rem; font-weight: 600;
  color: var(--text-lo); letter-spacing: .06em;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
  transition: color var(--t-fast) ease;
}
.mm__tel svg { flex-shrink: 0; }
.mm__tel:hover { color: var(--text-hi); }

/* ────────────────────────────────────────────────
   8 · HERO
   ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column;
  padding-top: var(--nav-h);
  overflow: hidden;
  background: var(--bg);
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg-img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  filter: saturate(.85);
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    95deg,
    rgba(6,12,26,.985) 0%,
    rgba(6,12,26,.96)  32%,
    rgba(6,12,26,.82)  55%,
    rgba(6,12,26,.5)   75%,
    rgba(6,12,26,.25) 100%
  );
}
.hero::after {
  content: '';
  position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(ellipse 60% 65% at 18% 55%, rgba(77,125,242,.14) 0%, transparent 70%),
    linear-gradient(to top, var(--bg) 0%, transparent 18%);
  pointer-events: none;
}

.hero__body {
  position: relative; z-index: 2; flex: 1;
  display: flex; align-items: center;
  padding-block: 56px 32px;
}
.hero__content { max-width: 780px; }

.hero__label {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--ff-m); font-size: var(--fs-cap);
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--text-lo);
  margin-bottom: 28px;
}
.hero__label-line { display: inline-block; width: 28px; height: 1px; background: var(--accent); }

.hero__title {
  font-family: var(--ff-d);
  font-size: var(--fs-hero);
  font-weight: 900; line-height: .98;
  letter-spacing: -.035em;
  color: var(--text-hi);
  margin-bottom: 26px;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--accent-hi) 0%, var(--accent) 55%, #3765D6 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__sub {
  color: var(--text-md);
  font-size: clamp(.9375rem, 1.5vw, 1.125rem);
  line-height: 1.75; max-width: 480px;
  margin-bottom: 38px;
}
.hero__btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* Entrada escalonada del hero */
@keyframes heroUp {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}
.hero__label  { animation: heroUp .8s var(--ease) .05s both; }
.hero__title  { animation: heroUp .8s var(--ease) .15s both; }
.hero__sub    { animation: heroUp .8s var(--ease) .28s both; }
.hero__btns   { animation: heroUp .8s var(--ease) .4s both; }
.hero__stats-wrap { animation: heroUp .9s var(--ease) .55s both; }

/* Stats bar del hero */
.hero__stats-wrap {
  position: relative; z-index: 2;
  border-top: 1px solid var(--line);
  background: rgba(6,12,26,.72);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  padding-block: 26px;
}
.hero__stats { display: flex; }
.hstat {
  display: flex; flex-direction: column; gap: 6px;
  flex: 1; padding-inline: clamp(16px, 3vw, 40px);
  border-right: 1px solid var(--line);
}
.hstat:first-child { padding-left: 0; }
.hstat:last-child  { border-right: none; }
.hstat__n {
  font-family: var(--ff-d);
  font-size: clamp(1.625rem, 3.2vw, 2.375rem);
  font-weight: 900; color: var(--text-hi); line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.hstat__n sup { font-size: .55em; vertical-align: super; color: var(--accent); }
.hstat__l {
  font-family: var(--ff-m); font-size: var(--fs-micro);
  color: var(--text-lo); letter-spacing: .1em; text-transform: uppercase;
}

/* ────────────────────────────────────────────────
   9 · ABOUT
   ──────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 7vw, 96px);
  align-items: center;
}
.about-text h2 {
  font-family: var(--ff-d); font-weight: 900;
  font-size: clamp(1.75rem, 3.5vw, 2.625rem);
  letter-spacing: -.025em; line-height: 1.12;
  color: var(--text-hi); margin: 14px 0 22px;
  text-wrap: balance;
}
.about-text p { color: var(--text-md); line-height: 1.8; margin-bottom: 14px; }
.about-text > .btn { margin-top: 24px; }

.about-img-wrap {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--sh-lg);
}
.about-img-wrap::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,12,26,.35) 0%, transparent 40%);
  pointer-events: none;
}
.about-img-wrap img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.about-badge {
  position: absolute; bottom: 20px; right: 20px; z-index: 2;
  display: flex; align-items: center; gap: 14px;
  background: rgba(9,13,22,.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line-strong);
  color: var(--text-hi);
  padding: 14px 20px;
  border-radius: var(--r-md);
  line-height: 1.2;
  box-shadow: var(--sh-md);
}
.about-badge strong {
  font-family: var(--ff-d); font-size: 1.875rem; font-weight: 900;
  letter-spacing: -.02em;
}
.about-badge strong sup { font-size: .55em; color: var(--accent); }
.about-badge span { font-size: .75rem; color: var(--text-md); }

/* ────────────────────────────────────────────────
   10 · SERVICIOS
   ──────────────────────────────────────────────── */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 1.5vw, 20px);
  margin-top: clamp(40px, 5vw, 60px);
}
.svc-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: clamp(28px, 3vw, 42px);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 14px;
  transition: background var(--t-med) ease, border-color var(--t-med) ease, transform var(--t-med) var(--ease), box-shadow var(--t-med) ease;
}
.svc-card:hover { border-color: var(--accent-line); transform: translateY(-4px); box-shadow: var(--sh-md); }
.svc-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-hi));
  transform: scaleX(0); transform-origin: left;
  transition: transform .45s var(--ease);
}
.svc-card:hover::before { transform: scaleX(1); }
.svc-card:hover { background: var(--bg-card-2); }

.svc-card__wm {
  position: absolute; right: -4px; top: -18px;
  font-family: var(--ff-d); font-weight: 900;
  font-size: clamp(5rem, 9vw, 7.5rem);
  line-height: 1; letter-spacing: -.04em;
  color: rgba(77,125,242,.05);
  pointer-events: none; user-select: none;
  transition: color var(--t-med) ease;
}
.svc-card:hover .svc-card__wm { color: rgba(77,125,242,.12); }

.svc-card__n {
  font-family: var(--ff-m); font-size: var(--fs-micro); font-weight: 600;
  color: var(--accent); letter-spacing: .18em; text-transform: uppercase;
}
.svc-card h3 {
  font-family: var(--ff-d); font-weight: 800;
  font-size: var(--fs-h3);
  color: var(--text-hi); line-height: 1.2;
  letter-spacing: -.015em;
}
.svc-card__desc {
  font-size: var(--fs-small); color: var(--text-lo);
  line-height: 1.7; flex: 1;
  transition: color var(--t-med) ease;
}
.svc-card:hover .svc-card__desc { color: var(--text-md); }

.svc-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
.svc-card__tags span {
  font-family: var(--ff-m); font-size: var(--fs-micro);
  color: var(--text-lo);
  background: rgba(148,163,204,.06);
  border: 1px solid var(--line);
  padding: 4px 10px; border-radius: var(--r-full);
  letter-spacing: .04em;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}
.svc-card:hover .svc-card__tags span { color: var(--text-md); border-color: var(--line-strong); }

.svc-card__cta {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 10px;
  font-family: var(--ff-m); font-size: var(--fs-micro); font-weight: 600;
  color: var(--accent-hi); letter-spacing: .12em; text-transform: uppercase;
  opacity: 0; transform: translateX(-8px);
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}
.svc-card:hover .svc-card__cta,
.svc-card:focus-within .svc-card__cta { opacity: 1; transform: none; }
.svc-card__cta svg { width: 11px; height: 11px; }

/* ────────────────────────────────────────────────
   11 · EQUIPOS
   ──────────────────────────────────────────────── */
.eq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 1.5vw, 20px);
  margin-top: clamp(40px, 5vw, 64px);
}
.eq-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  position: relative;
  transition: border-color var(--t-med) ease, transform var(--t-med) var(--ease), box-shadow var(--t-med) ease;
}
.eq-card:hover {
  border-color: var(--accent-line);
  transform: translateY(-4px);
  box-shadow: var(--sh-md);
}
.eq-fig { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--bg-card-2); }
.eq-fig img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease), filter .4s ease;
  filter: brightness(.88) saturate(.82);
}
.eq-card:hover .eq-fig img { transform: scale(1.05); filter: brightness(1) saturate(1); }
.eq-fig__icon {
  position: absolute; inset: 0; z-index: 2;
  display: flex; align-items: flex-end; justify-content: flex-start;
  padding: 12px 14px;
  color: rgba(255,255,255,.6);
  pointer-events: none;
  background: linear-gradient(to top, rgba(6,12,26,.55) 0%, transparent 30%);
  transition: color var(--t-med) ease;
}
.eq-fig__icon svg { width: 20px; height: 20px; filter: drop-shadow(0 1px 4px rgba(0,0,0,.6)); }
.eq-card:hover .eq-fig__icon { color: #fff; }

.eq-body { padding: 18px 20px 22px; }
.eq-body h4 {
  font-family: var(--ff-d); font-weight: 700;
  font-size: var(--fs-h4); color: var(--text-hi);
  margin-bottom: 6px; letter-spacing: -.01em;
}
.eq-body p { font-size: var(--fs-small); color: var(--text-lo); line-height: 1.6; }

/* ────────────────────────────────────────────────
   12 · SECTORES
   ──────────────────────────────────────────────── */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(10px, 1.2vw, 16px);
  margin-top: clamp(40px, 5vw, 64px);
}
.s-card {
  position: relative; overflow: hidden;
  aspect-ratio: 3/4;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  transition: border-color var(--t-med) ease, transform var(--t-med) var(--ease);
}
.s-card:hover { border-color: var(--accent-line); transform: translateY(-4px); }
.s-bg { position: absolute; inset: 0; }
.s-bg img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .65s var(--ease);
  filter: saturate(.85);
}
.s-card:hover .s-bg img { transform: scale(1.06); }
.s-card__veil {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,12,26,.92) 0%, rgba(6,12,26,.42) 55%, rgba(6,12,26,.12) 100%);
  transition: background var(--t-med) ease;
}
.s-card:hover .s-card__veil {
  background: linear-gradient(to top, rgba(6,12,26,.96) 0%, rgba(6,12,26,.62) 60%, rgba(6,12,26,.2) 100%);
}
.s-card__body { position: absolute; bottom: 0; left: 0; right: 0; padding: clamp(20px, 2.5vw, 30px); }
.s-card__no {
  font-family: var(--ff-m); font-size: var(--fs-micro);
  color: var(--accent-hi); letter-spacing: .16em; margin-bottom: 10px;
}
.s-card__body h3 {
  font-family: var(--ff-d); font-weight: 800;
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--text-hi); line-height: 1.15; margin-bottom: 8px;
}
.s-card__body p {
  font-size: var(--fs-small); color: var(--text-md); line-height: 1.6;
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height .4s var(--ease), opacity .35s ease;
}
.s-card:hover .s-card__body p { max-height: 6em; opacity: 1; }
@media (hover: none) {
  .s-card__body p { max-height: none; opacity: 1; }
}

/* ────────────────────────────────────────────────
   13 · MATERIALES / ACEROS
   ──────────────────────────────────────────────── */
.steel-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(12px, 1.5vw, 20px);
  margin-top: clamp(40px, 5vw, 64px);
}
.steel-item {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 26px;
  padding: clamp(26px, 3vw, 40px);
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  position: relative; overflow: hidden;
  transition: background var(--t-med) ease, border-color var(--t-med) ease, transform var(--t-med) var(--ease);
}
.steel-item:hover { border-color: var(--accent-line); transform: translateY(-2px); }
.steel-item::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  transform: scaleY(0); transform-origin: top;
  transition: transform .4s var(--ease);
}
.steel-item:hover::before { transform: scaleY(1); }
.steel-item:hover { background: var(--bg-card-2); }

.steel-item__code {
  font-family: var(--ff-m);
  font-size: clamp(1rem, 1.6vw, 1.5rem);
  font-weight: 700; color: var(--text-lo);
  letter-spacing: -.02em; line-height: 1.15;
  padding-top: 5px;
  border-top: 2px solid var(--accent);
  align-self: start;
  transition: color var(--t-med) ease;
}
.steel-item:hover .steel-item__code { color: var(--accent-hi); }
.steel-item__info strong {
  display: block;
  color: var(--text-hi); font-weight: 600;
  margin-bottom: 8px; font-size: var(--fs-body);
}
.steel-item__info p { font-size: var(--fs-small); color: var(--text-lo); line-height: 1.65; }

.steel-cta { text-align: center; margin-top: clamp(40px, 5vw, 56px); }

/* ────────────────────────────────────────────────
   14 · POR QUÉ ELEGIRNOS
   ──────────────────────────────────────────────── */
.why-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-block: clamp(40px, 5vw, 64px);
}
.why-stat {
  display: flex; flex-direction: column; gap: 8px;
  padding: clamp(24px, 3vw, 40px);
  background: var(--bg-card);
  position: relative;
  transition: background var(--t-med) ease;
}
.why-stat:hover { background: var(--bg-card-2); }
.why-stat::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-hi));
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease);
}
.why-stat:hover::after { transform: scaleX(1); }
.why-stat__n {
  font-family: var(--ff-d); font-size: clamp(2rem, 3.5vw, 2.875rem);
  font-weight: 900; color: var(--text-hi); line-height: 1;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
}
.why-stat__n sup { font-size: .55em; vertical-align: super; color: var(--accent); }
.why-stat__l {
  font-family: var(--ff-m); font-size: var(--fs-micro);
  color: var(--text-lo); letter-spacing: .1em; text-transform: uppercase;
  line-height: 1.5;
}

.why-grid-new {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 1.5vw, 20px);
}
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: clamp(22px, 2.5vw, 34px);
  display: flex; flex-direction: column; gap: 10px;
  position: relative; overflow: hidden;
  transition: background var(--t-med) ease, border-color var(--t-med) ease, transform var(--t-med) var(--ease);
}
.why-card:hover { background: var(--bg-card-2); border-color: var(--accent-line); transform: translateY(-3px); }
.why-card__n {
  font-family: var(--ff-m); font-size: var(--fs-micro);
  font-weight: 600; color: var(--accent); letter-spacing: .14em;
}
.why-card h4 {
  font-family: var(--ff-d); font-weight: 800;
  font-size: var(--fs-h4);
  color: var(--text-hi); line-height: 1.25; letter-spacing: -.01em;
  margin-top: 2px;
}
.why-card p { font-size: var(--fs-small); color: var(--text-lo); line-height: 1.7; flex: 1; }

/* ────────────────────────────────────────────────
   15 · GALERÍA (index)
   ──────────────────────────────────────────────── */
.gal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: clamp(8px, 1vw, 12px);
  margin-top: clamp(40px, 5vw, 64px);
}
.gal-item {
  position: relative; overflow: hidden; cursor: pointer;
  background: var(--bg-card-2);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  transition: border-color var(--t-med) ease;
}
.gal-item:hover { border-color: var(--accent-line); }
.gal-item:first-child  { grid-column: span 2; grid-row: span 2; }
.gal-item:nth-child(4) { grid-column: span 2; }
.gal-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease), filter .4s ease;
  filter: saturate(.85) brightness(.92);
}
.gal-item:hover img { transform: scale(1.05); filter: saturate(1) brightness(1); }
.gal-item figcaption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 40px 16px 13px;
  background: linear-gradient(to top, rgba(6,12,26,.92) 0%, transparent 100%);
  font-size: var(--fs-micro); color: var(--text-hi);
  font-family: var(--ff-m); letter-spacing: .12em; text-transform: uppercase;
  opacity: 0; transform: translateY(6px);
  transition: opacity var(--t-med) ease, transform var(--t-med) var(--ease);
}
.gal-item:hover figcaption { opacity: 1; transform: none; }
@media (hover: none) {
  .gal-item figcaption { opacity: 1; transform: none; padding-top: 24px; }
}

/* ────────────────────────────────────────────────
   16 · PROCESO
   ──────────────────────────────────────────────── */
.proc-flow {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin-top: clamp(48px, 6vw, 80px);
  position: relative;
}
.proc-flow::before {
  content: '';
  position: absolute; top: 38px; left: 0; right: 0; height: 1px;
  background: var(--line-strong);
}
.proc-flow::after {
  content: '';
  position: absolute; top: 37px; left: 0;
  height: 2px; width: 0;
  background: linear-gradient(to right, var(--accent), var(--accent-hi));
  transition: width 1.6s var(--ease) .2s;
  border-radius: 2px;
}
.proc-flow.is-in::after { width: 100%; }

.proc-step { display: flex; flex-direction: column; padding: 0 20px 0 0; }
.proc-step__n {
  font-family: var(--ff-m); font-size: var(--fs-micro);
  color: var(--accent); letter-spacing: .14em; margin-bottom: 36px;
  font-weight: 500;
}
.proc-step__icon {
  width: 44px; height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--line-strong); border-radius: var(--r-full);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-lo); margin-bottom: 20px;
  position: relative; z-index: 1;
  transition: border-color .5s ease, background .5s ease, box-shadow .5s ease, color .5s ease;
}
.proc-step__icon svg { width: 18px; height: 18px; }
.proc-flow.is-in .proc-step__icon {
  border-color: var(--accent); background: var(--accent-soft); color: var(--accent-hi);
  box-shadow: 0 0 0 5px rgba(77,125,242,.08);
}
.proc-flow.is-in .proc-step:nth-child(1) .proc-step__icon { transition-delay: .1s; }
.proc-flow.is-in .proc-step:nth-child(2) .proc-step__icon { transition-delay: .35s; }
.proc-flow.is-in .proc-step:nth-child(3) .proc-step__icon { transition-delay: .6s; }
.proc-flow.is-in .proc-step:nth-child(4) .proc-step__icon { transition-delay: .85s; }
.proc-flow.is-in .proc-step:nth-child(5) .proc-step__icon { transition-delay: 1.1s; }
.proc-flow.is-in .proc-step:nth-child(6) .proc-step__icon { transition-delay: 1.35s; }

.proc-step h4 {
  font-family: var(--ff-d); font-weight: 800;
  font-size: var(--fs-body); color: var(--text-hi); margin-bottom: 7px;
  letter-spacing: -.01em;
}
.proc-step p { font-size: var(--fs-small); color: var(--text-lo); line-height: 1.65; }

/* ────────────────────────────────────────────────
   17 · CONTACTO
   ──────────────────────────────────────────────── */
.cinfo-row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 1.5vw, 18px);
  margin-top: clamp(40px, 5vw, 60px);
}
.cinfo-card {
  display: flex; align-items: center; gap: 16px;
  padding: 20px 22px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color var(--t-med) ease, background var(--t-med) ease, transform var(--t-med) var(--ease);
}
.cinfo-card:hover { background: var(--bg-card-2); border-color: var(--line-strong); transform: translateY(-2px); }
.cinfo-icon {
  width: 42px; height: 42px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-sm); color: var(--accent-hi);
}
.cinfo-icon svg { width: 18px; height: 18px; }
.cinfo-label {
  display: block; font-family: var(--ff-m);
  font-size: var(--fs-micro); color: var(--text-lo);
  letter-spacing: .1em; text-transform: uppercase; margin-bottom: 4px;
}
.cinfo-val { display: block; color: var(--text-hi); font-weight: 500; font-size: var(--fs-body); line-height: 1.45; }
a.cinfo-val:hover { color: var(--accent-hi); text-decoration: underline; text-underline-offset: 3px; }

.cwa-cta {
  display: flex; flex-direction: column; align-items: center;
  gap: 14px; margin-top: clamp(40px, 5vw, 56px);
}
.cwa-cta__btn {
  padding: 18px 44px; font-size: 1.0625rem;
  gap: 12px; border-radius: var(--r-md);
}
.cwa-cta__note {
  font-family: var(--ff-m); font-size: .75rem;
  color: var(--text-xlo); letter-spacing: .05em;
}

.contact-map {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  margin-top: clamp(40px, 5vw, 56px);
}
.contact-map iframe {
  width: 100%; height: 340px; border: none; display: block;
  filter: invert(.92) hue-rotate(185deg) grayscale(.25) contrast(.92) brightness(.92);
}

/* ────────────────────────────────────────────────
   18 · FOOTER
   ──────────────────────────────────────────────── */
.foot { background: var(--bg); border-top: 1px solid var(--line); }
.foot .container { padding-block: clamp(48px, 6vw, 72px) 0; }
.foot__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  padding-bottom: clamp(40px, 5vw, 60px);
  border-bottom: 1px solid var(--line-soft);
}
.foot__brand .foot__logo { height: 46px; width: auto; margin-bottom: 20px; }
.foot__logo-text { font-family: var(--ff-d); font-weight: 900; color: var(--text-hi); font-size: 1.125rem; margin-bottom: 20px; display: block; }
.foot__logo-text span { color: var(--accent); }
.foot__brand p { font-size: var(--fs-small); color: var(--text-lo); line-height: 1.75; max-width: 300px; }
.foot__social { margin-top: 20px; }
.foot__soc-link {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: var(--r-sm);
  background: rgba(255,255,255,.05); border: 1px solid var(--line);
  color: var(--text-md);
  transition: background var(--t-fast) ease, color var(--t-fast) ease, border-color var(--t-fast) ease, transform var(--t-fast) var(--spring);
}
.foot__soc-link svg { width: 16px; height: 16px; }
.foot__soc-link:hover { background: rgba(37,211,102,.14); border-color: rgba(37,211,102,.4); color: var(--wa); transform: translateY(-2px); }

.foot__col { display: flex; flex-direction: column; gap: 2px; }
.foot__col h5 {
  font-family: var(--ff-m); font-size: var(--fs-micro);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-lo); margin-bottom: 14px; font-weight: 500;
}
.foot__col a, .foot__col span { font-size: var(--fs-small); color: var(--text-lo); line-height: 2; transition: color var(--t-fast) ease; }
.foot__col a:hover { color: var(--text-hi); }

.foot__bar {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
  padding-block: 22px;
  font-size: .75rem; color: var(--text-xlo); font-family: var(--ff-m);
}

/* ────────────────────────────────────────────────
   19 · LIGHTBOX (index)
   ──────────────────────────────────────────────── */
.lb {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(3,6,15,.94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-med) ease;
  display: flex; align-items: center; justify-content: center;
}
/* El display:flex le gana al UA stylesheet: hidden se fuerza a mano. */
.lb[hidden] { display: none; }
/* Solo el visor abierto recibe clics; cerrado deja pasar todo. */
.lb.lb--open { opacity: 1; pointer-events: auto; }

.lb__close, .lb__prev, .lb__next {
  position: fixed; z-index: 2;
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  color: var(--text-md); font-size: 1.25rem;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-full);
  transition: background var(--t-fast) ease, color var(--t-fast) ease, border-color var(--t-fast) ease, transform var(--t-fast) var(--spring);
}
.lb__close:hover, .lb__prev:hover, .lb__next:hover {
  background: rgba(255,255,255,.12); color: var(--text-hi);
}
.lb__close { top: 20px; right: 20px; }
.lb__close:hover { transform: rotate(90deg); }
.lb__prev { left: 16px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; }
.lb__next { right: 16px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; }
.lb__prev:hover { transform: translateY(-50%) scale(1.08); }
.lb__next:hover { transform: translateY(-50%) scale(1.08); }

.lb__wrap { max-width: 90vw; max-height: 90vh; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.lb__img {
  max-width: 100%; max-height: 80vh; object-fit: contain;
  border-radius: var(--r-sm);
  box-shadow: var(--sh-lg);
}
.lb__cap { font-size: var(--fs-small); color: var(--text-lo); font-family: var(--ff-m); text-align: center; letter-spacing: .04em; }

/* ────────────────────────────────────────────────
   20 · WHATSAPP FLOAT
   ──────────────────────────────────────────────── */
.wa-float {
  position: fixed; bottom: 22px; right: 22px; z-index: 800;
  width: 54px; height: 54px; border-radius: var(--r-full);
  background: var(--wa);
  display: flex; align-items: center; justify-content: center;
  color: #04270F;
  box-shadow: 0 8px 28px -6px rgba(37,211,102,.5), inset 0 1px 0 rgba(255,255,255,.3);
  transition: background var(--t-fast) ease, transform var(--t-med) var(--spring), box-shadow var(--t-med) ease;
}
.wa-float:hover { background: #2EE375; transform: scale(1.08) translateY(-2px); }
.wa-float:active { transform: scale(.96); }
.wa-float svg { width: 26px; height: 26px; }

/* ────────────────────────────────────────────────
   21 · RESPONSIVE
   ──────────────────────────────────────────────── */

/* Ultra-wide: aire extra y grid más generoso */
@media (min-width: 1600px) {
  :root { --maxw: 1360px; }
}

/* 1100px */
@media (max-width: 1100px) {
  .proc-flow { grid-template-columns: repeat(3, 1fr); row-gap: 24px; }
  .proc-flow::before, .proc-flow::after { display: none; }
  .proc-step { padding: 0 16px 16px 0; }
  .proc-flow .proc-step__icon { transition-delay: 0s !important; }
}

/* 960px: nav comprimido */
@media (max-width: 960px) {
  .nav__links { gap: 0; font-size: .8125rem; }
  .nav__links a { padding: 6px 9px; }
}

/* 900px: tablet */
@media (max-width: 900px) {
  .nav__links, .nav__actions { display: none; }
  .nav__burger { display: flex; }

  .sec-hd[data-n]::before { font-size: clamp(70px, 11vw, 130px); }

  .about-grid { grid-template-columns: 1fr; gap: clamp(32px, 5vw, 52px); }
  .about-visual { order: -1; }
  .about-img-wrap img { aspect-ratio: 16/9; }

  /* El badge sobre la foto tapa a las personas en pantallas angostas:
     pasa a fluir debajo de la imagen como franja completa. */
  .about-badge {
    position: static;
    width: 100%;
    justify-content: center;
    border-radius: 0;
    border: none;
    border-top: 1px solid var(--line);
    background: var(--bg-card);
    box-shadow: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .eq-grid  { grid-template-columns: repeat(2, 1fr); }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .s-card { aspect-ratio: 4/5; }

  .gal-grid { grid-template-columns: repeat(3, 1fr); }
  .gal-item:first-child { grid-column: span 2; grid-row: span 2; }

  .foot__grid { grid-template-columns: 1fr 1fr; }
  .foot__brand { grid-column: 1/-1; }

  .cinfo-row { grid-template-columns: 1fr; }
  .why-stats { grid-template-columns: repeat(2, 1fr); }
  .why-grid-new { grid-template-columns: repeat(2, 1fr); }
}

/* 680px: móvil grande */
@media (max-width: 680px) {
  :root { --sec-pad: clamp(64px, 12vw, 96px); --nav-h: 72px; }

  .nav__logo-img { height: 58px; }

  .sec-hd[data-n]::before { font-size: clamp(52px, 14vw, 85px); }
  .sec-hd__title { font-size: clamp(1.75rem, 7.5vw, 2.5rem); letter-spacing: -.02em; }

  .hero__title { font-size: clamp(2rem, 9vw, 2.875rem); }
  .hero__sub   { margin-bottom: 30px; }
  .hero__stats-wrap { padding-block: 0; }

  /* Stats → 2×2 */
  .hero__stats { flex-wrap: wrap; }
  .hstat {
    flex: 0 0 50%; min-width: 0;
    padding: 16px clamp(14px, 4vw, 24px);
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .hstat:first-child { padding-left: clamp(14px, 4vw, 24px); }
  .hstat:nth-child(odd)       { border-right: 1px solid var(--line); }
  .hstat:nth-last-child(-n+2) { border-bottom: none; }

  /* ── Carruseles horizontales con scroll-snap ──
     En móvil las secciones de tarjetas dejan de apilarse como una
     columna infinita: se deslizan de lado, con la siguiente tarjeta
     asomando como pista visual. */
  .svc-grid, .eq-grid, .sector-grid, .why-grid-new, .proc-flow {
    display: flex;
    overflow-x: auto;
    gap: 12px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    margin-inline: calc(-1 * clamp(20px, 5vw, 56px));
    padding-inline: clamp(20px, 5vw, 56px);
    padding-bottom: 10px;
    scrollbar-width: none;
  }
  .svc-grid::-webkit-scrollbar, .eq-grid::-webkit-scrollbar,
  .sector-grid::-webkit-scrollbar, .why-grid-new::-webkit-scrollbar,
  .proc-flow::-webkit-scrollbar { display: none; }

  .svc-card, .eq-card, .s-card, .why-card, .proc-step {
    flex: 0 0 auto;
    scroll-snap-align: start;
    scroll-margin-inline-start: clamp(20px, 5vw, 56px);
  }
  .svc-card  { width: min(82vw, 340px); }
  .eq-card   { width: min(74vw, 300px); }
  .s-card    { width: min(68vw, 280px); aspect-ratio: 3/4; }
  .why-card  { width: min(75vw, 300px); }
  .proc-step {
    width: min(64vw, 250px);
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
  }
  .proc-step__n { margin-bottom: 14px; }
  .proc-step__icon { margin-bottom: 14px; }

  /* Dentro de un carrusel el reveal por tarjeta no aplica (las tarjetas
     fuera del borde derecho nunca entrarían al viewport): se muestran
     de inmediato y solo la sección hace su entrada. */
  html.js .svc-grid .reveal, html.js .eq-grid .reveal,
  html.js .sector-grid .reveal, html.js .why-grid-new .reveal {
    opacity: 1; transform: none; transition: none;
  }

  .svc-card__wm { font-size: clamp(4rem, 11vw, 6rem); }

  .steel-list { grid-template-columns: 1fr; }
  .why-stats { grid-template-columns: 1fr 1fr; }

  .gal-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: clamp(120px, 22vw, 155px); }
  .gal-item:first-child { grid-column: span 2; grid-row: span 1; }

  .foot__grid { grid-template-columns: 1fr; }
  .foot__bar  { flex-direction: column; align-items: flex-start; }

  .lb__prev, .lb__next { width: 40px; height: 40px; font-size: 1.25rem; background: rgba(6,12,26,.6); }
  .lb__prev { left: 8px; } .lb__next { right: 8px; }
  .lb__close { top: 12px; right: 12px; width: 40px; height: 40px; background: rgba(6,12,26,.6); }
  .lb__img { max-height: 72vh; }
}

/* 480px: móvil mediano */
@media (max-width: 480px) {
  .sec-hd[data-n]::before { font-size: clamp(40px, 17vw, 65px); }
  .sec-hd__title { font-size: clamp(1.625rem, 7vw, 2.25rem); }

  .hero__label { letter-spacing: .1em; font-size: var(--fs-micro); }

  .hstat { padding: 14px 16px; }
  .hstat__n { font-size: clamp(1.375rem, 6vw, 1.75rem); }

  .steel-item { grid-template-columns: 1fr; gap: 12px; padding: clamp(20px, 4vw, 28px); }
  .steel-item__code { font-size: 1rem; padding-top: 6px; }

  .gal-grid { grid-auto-rows: clamp(100px, 22vw, 130px); }

  .wa-float { width: 50px; height: 50px; bottom: 18px; right: 18px; }
}

/* 420px: móvil pequeño */
@media (max-width: 420px) {
  .hero__title { font-size: clamp(1.625rem, 8vw, 2.125rem); line-height: 1.02; }
  .hero__btns  { flex-direction: column; }
  .hero__btns .btn { width: 100%; }

  /* Stats → columna única */
  .hstat { flex: 0 0 100%; border-right: none !important; border-bottom: 1px solid var(--line); }
  .hstat:last-child { border-bottom: none; }

  .svc-card__cta { opacity: 1; transform: none; }
  .why-stats, .why-grid-new { grid-template-columns: 1fr; }
}

/* ────────────────────────────────────────────────
   22 · ACCESIBILIDAD · MOTION
   ──────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }
  html.js .reveal { opacity: 1; transform: none; }
  .proc-flow::after { width: 100%; }
}