/* ============================================================
   TerraForza — Estilos
   Estética: corporativa industrial · fondo claro · azul marino
   ============================================================ */

/* -------- TOKENS -------- */
:root {
  /* Superficies claras */
  --c-bg: #FFFFFF;
  --c-bg-2: #F5F7FA;
  --c-bg-3: #EAEEF3;
  --c-surface: #FFFFFF;
  --c-line: #DDE3EB;

  /* Texto */
  --c-text: #0B1B33;       /* casi negro azulado */
  --c-text-2: #4A5A70;     /* gris medio */
  --c-muted: #8A95A8;

  /* Accent — azul marino Techint */
  --c-accent: #001F3F;
  --c-accent-2: #002952;
  --c-accent-3: #003A7A;
  --c-accent-soft: rgba(0, 31, 63, .08);
  --c-tech: #06B6D4;       /* cyan técnico — mismo acento que el hero */

  /* Acento técnico — cyan corporativo (telemetría, monitoreo) */
  --c-orange: #06B6D4;     /* nombre legacy, ahora cyan */
  --c-orange-2: #22D3EE;

  /* Superficies oscuras (hero, secciones con imagen, footer, brochure) */
  --c-dark: #001428;
  --c-dark-2: #001F3F;

  --radius: 4px;
  --radius-lg: 8px;
  --container: 1240px;

  --shadow-card: 0 6px 18px rgba(0, 20, 40, .08);
  --shadow-lift: 0 18px 40px rgba(0, 20, 40, .14);

  --ff-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --ff-display: 'Barlow Condensed', 'Inter', system-ui, sans-serif;

  --t-fast: .2s ease;
  --t-base: .35s cubic-bezier(.2,.7,.2,1);
}

/* -------- RESET -------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--ff-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
input, select, textarea { font: inherit; color: inherit; }

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.mt-32 { margin-top: 32px; }

/* -------- TIPOGRAFÍA -------- */
h1, h2, h3, h4 {
  font-family: var(--ff-display);
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1.05;
  margin: 0 0 16px;
  text-transform: uppercase;
  color: var(--c-text);
}
h1 { font-size: clamp(2.4rem, 5.5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 3.6vw, 3rem); }
h3 { font-size: 1.25rem; letter-spacing: .02em; }
h4 { font-size: 1rem; letter-spacing: .12em; text-transform: uppercase; }
p  { margin: 0 0 12px; color: var(--c-text-2); }

.eyebrow {
  display: inline-block;
  font-family: var(--ff-sans);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-accent);
  padding-bottom: 6px;
  margin-bottom: 12px;
  border-bottom: 2px solid var(--c-accent);
}
.accent { color: var(--c-accent); }

.section-head {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head .lead {
  font-size: 1.05rem;
  color: var(--c-text-2);
}
/* Secciones oscuras: cabeceras en claro */
.section-head--light h2,
.section-head--light .lead { color: #fff; }
.section-head--light .eyebrow { color: #06B6D4; border-color: #06B6D4; }

/* -------- BOTONES -------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  font-weight: 700;
  font-size: .92rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: transform var(--t-fast), background var(--t-fast), color var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn--sm { padding: 10px 16px; font-size: .82rem; }
.btn--lg { padding: 16px 28px; font-size: .98rem; }
.btn--full { width: 100%; }
.btn--accent {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 31, 63, .25);
}
.btn--accent:hover {
  background: var(--c-accent-2);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0, 31, 63, .3);
}
.btn--ghost {
  background: transparent;
  border-color: var(--c-text);
  color: var(--c-text);
}
.btn--ghost:hover { background: var(--c-text); color: #fff; }

/* Botones sobre fondos oscuros */
.on-dark .btn--ghost,
.section-dark .btn--ghost {
  border-color: #fff;
  color: #fff;
}
.on-dark .btn--ghost:hover,
.section-dark .btn--ghost:hover { background: #fff; color: var(--c-accent); }

.link-muted {
  color: var(--c-muted);
  font-size: .85rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.link-muted[aria-disabled="true"] { pointer-events: none; opacity: .55; }

/* -------- HEADER -------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-line);
  transition: background var(--t-fast), box-shadow var(--t-fast);
}
.header.is-scrolled {
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 2px 10px rgba(0, 20, 40, .06);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.logo__mark {
  width: 42px;
  height: 42px;
  display: block;
  border-radius: 6px;
  object-fit: contain;
}
.footer .logo__mark { width: 38px; height: 38px; }
.logo__text {
  font-family: var(--ff-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-text);
}
.logo__text strong { color: var(--c-accent); font-weight: 800; }
.nav ul { display: flex; gap: 28px; }
.nav a {
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--c-text-2);
  transition: color var(--t-fast);
  position: relative;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--c-accent);
  transition: width var(--t-fast);
}
.nav a:hover { color: var(--c-text); }
.nav a:hover::after { width: 100%; }

.header__cta { display: inline-flex; }
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--c-text);
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* -------- HERO (oscuro institucional) -------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
  isolation: isolate;
  color: #fff;
}
.hero__bg {
  position: absolute; inset: 0;
  background: url('https://images.unsplash.com/photo-1497436072909-60f360e1d4b1?auto=format&fit=crop&w=2000&q=80') center/cover no-repeat;
  filter: grayscale(.5) contrast(1.1) brightness(.55);
  z-index: -2;
  animation: heroZoom 22s ease-in-out infinite alternate;
}
@keyframes heroZoom { to { transform: scale(1.08); } }
.hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(0,20,40,.78) 0%, rgba(0,31,63,.62) 45%, rgba(0,20,40,.92) 100%),
    linear-gradient(90deg, rgba(0,20,40,.9) 0%, rgba(0,31,63,.25) 65%);
  z-index: -1;
}
.hero__content {
  max-width: 880px;
  position: relative;
  animation: fadeUp .9s ease both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero h1, .hero h2 { color: #fff; }
.hero .eyebrow { color: #06B6D4; border-color: #06B6D4; }
.hero__title { margin-bottom: 24px; }
.hero__title .accent { color: #06B6D4; } /* naranja institucional como acento secundario */
.hero__subtitle {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: rgba(255, 255, 255, .82);
  max-width: 700px;
  margin-bottom: 36px;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 48px;
}
.hero .btn--accent {
  background: #fff;
  color: var(--c-accent);
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
}
.hero .btn--accent:hover { background: #f5f7fa; color: var(--c-accent-2); }
.hero .btn--ghost { border-color: #fff; color: #fff; }
.hero .btn--ghost:hover { background: #fff; color: var(--c-accent); }
.hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  border-top: 1px solid rgba(255, 255, 255, .15);
  padding-top: 24px;
}
.hero__pills li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: .9rem;
  color: rgba(255, 255, 255, .75);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.hero__pills strong {
  font-family: var(--ff-display);
  color: #06B6D4;
  font-size: 1.8rem;
  font-weight: 800;
}
.hero__scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 40px;
  border: 2px solid rgba(255, 255, 255, .5);
  border-radius: 12px;
  display: flex; justify-content: center;
}
.hero__scroll span {
  width: 3px; height: 8px;
  background: #06B6D4;
  border-radius: 2px;
  margin-top: 6px;
  animation: scrollDot 1.6s ease-in-out infinite;
}
@keyframes scrollDot {
  0%, 100% { transform: translateY(0); opacity: .3; }
  50%      { transform: translateY(14px); opacity: 1; }
}

/* -------- VALUE -------- */
.value {
  padding: 100px 0;
  background: var(--c-bg-2);
}
.value__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}
.value__card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  flex: 0 1 calc(33.333% - 14px);
  min-width: 260px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
}
.value__card:hover {
  border-color: var(--c-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}
@media (max-width: 860px) {
  .value__card { flex: 0 1 calc(50% - 10px); }
}
@media (max-width: 520px) {
  .value__card { flex: 0 1 100%; }
}
.value__icon {
  font-size: 1.8rem;
  margin-bottom: 18px;
  display: inline-flex;
  width: 48px; height: 48px;
  align-items: center; justify-content: center;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  border-radius: var(--radius);
}

/* -------- SERVICES -------- */
.services {
  padding: 100px 0;
  background: var(--c-bg);
}
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
}
.filter {
  padding: 10px 18px;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--c-text-2);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: var(--c-bg);
  transition: all var(--t-fast);
}
.filter:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
}
.filter.is-active {
  background: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
  box-shadow: var(--shadow-card);
}
.service-card.is-hidden { display: none; }
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-accent);
  box-shadow: var(--shadow-lift);
}
.service-card__media {
  position: relative;
  aspect-ratio: 16/10;
  background-size: cover;
  background-position: center;
  background-color: #1a1a1a;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 14px;
}
.service-card__media::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,20,40,0) 40%, rgba(0,20,40,.65) 100%);
  z-index: 1;
}
/* Variante con dos imágenes — cross-fade en hover */
.service-card__media--dual { background-image: none; }
.service-card__media-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.service-card__media-img--alt {
  opacity: 0;
  transition: opacity .7s ease;
}
.service-card:hover .service-card__media-img--alt { opacity: 1; }
.service-card__media .badge { z-index: 2; }
.badge {
  position: relative;
  z-index: 1;
  background: var(--c-accent);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 20, 40, .25);
}
.service-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.service-card__uses {
  margin: 6px 0 20px;
  display: grid;
  gap: 4px;
}
.service-card__uses li {
  position: relative;
  padding-left: 18px;
  font-size: .88rem;
  color: var(--c-text-2);
}
.service-card__uses li::before {
  content: "";
  position: absolute;
  left: 0; top: .65em;
  width: 8px; height: 2px;
  background: var(--c-accent);
}
.service-card__cta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* -------- INDUSTRIES (oscuro institucional) -------- */
.industries {
  padding: 100px 0;
  background:
    linear-gradient(rgba(0,20,40,.92), rgba(0,20,40,.95)),
    url('https://images.unsplash.com/photo-1518709268805-4e9042af2176?auto=format&fit=crop&w=2000&q=80') center/cover fixed no-repeat;
  color: #fff;
}
.industries__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.industry {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(6px);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: left;
  transition: border-color var(--t-base), transform var(--t-base), background var(--t-base);
}
.industry:hover {
  border-color: #06B6D4;
  background: rgba(255, 255, 255, .1);
  transform: translateY(-4px);
}
.industry h3 { color: #fff; }
.industry p { color: rgba(255, 255, 255, .75); }
.industry__icon {
  width: 56px; height: 56px;
  border-radius: var(--radius);
  background: rgba(6, 182, 212, .15);
  color: #06B6D4;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem;
  margin-bottom: 16px;
}

/* -------- COMPLIANCE -------- */
.compliance {
  padding: 100px 0;
  background: var(--c-bg-2);
}
.compliance__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.compliance-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
}
.compliance-card:hover {
  border-color: var(--c-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}
.compliance-card__icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: var(--c-accent-soft);
  color: var(--c-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.compliance-card h3 {
  font-size: 1.05rem;
  letter-spacing: .04em;
  margin-bottom: 10px;
}
.compliance__col h3 {
  font-size: 1.1rem;
  letter-spacing: .12em;
  color: var(--c-accent);
  margin-bottom: 16px;
}
.check-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}
.check-list li {
  position: relative;
  padding-left: 26px;
  font-size: .92rem;
  color: var(--c-text-2);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 3px;
  width: 18px; height: 18px;
  background: var(--c-accent);
  clip-path: polygon(14% 44%, 0 60%, 40% 100%, 100% 18%, 86% 4%, 38% 72%);
}

/* -------- COVERAGE -------- */
.coverage {
  padding: 100px 0;
  background: var(--c-bg);
}
.coverage__layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: center;
}
.coverage__map {
  display: flex;
  justify-content: center;
  background: var(--c-accent);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.coverage__map svg {
  max-width: 280px;
  width: 100%;
  height: auto;
}
.map-pin circle:nth-child(2) {
  transform-origin: center;
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0%   { r: 14; opacity: .6; }
  100% { r: 28; opacity: 0; }
}
.coverage__bases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.base-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-accent);
  padding: 24px;
  border-radius: var(--radius);
  transition: transform var(--t-base), box-shadow var(--t-base);
  box-shadow: var(--shadow-card);
}
.base-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.base-card--alt { border-left-color: var(--c-tech); }
.base-card--alt h3 { color: var(--c-tech); }

/* -------- CLIENTS -------- */
.clients {
  padding: 100px 0;
  background: var(--c-bg-2);
}
.clients__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.client-logo {
  background: var(--c-surface);
  padding: 24px 20px;
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast);
}
.client-logo img {
  max-height: 56px;
  max-width: 160px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(1) contrast(1.1);
  mix-blend-mode: multiply;       /* disuelve fondos blancos contra el contenedor */
  opacity: 0.75;
  transition: opacity .3s ease, filter .3s ease;
}
.client-logo:hover { background: #fafbfd; }
.client-logo:hover img { opacity: 1; filter: grayscale(1) contrast(1.3); }

/* Ajustes finos por logo (proporciones distintas según marca) */
.client-logo img[src*="fenix"]   { max-height: 80px; max-width: 200px; }
.client-logo img[src*="aico"]    { max-height: 40px; max-width: 110px; }

/* -------- PROCESS (oscuro) -------- */
.process {
  padding: 100px 0;
  background:
    linear-gradient(rgba(0,20,40,.92), rgba(0,31,63,.97)),
    url('https://images.unsplash.com/photo-1542856391-010fb87dcfed?auto=format&fit=crop&w=2000&q=80') center/cover fixed no-repeat;
  color: #fff;
}
.process__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.process__step {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-top: 3px solid #06B6D4;
  padding: 32px 24px;
  border-radius: var(--radius);
  position: relative;
  transition: transform var(--t-base), background var(--t-base);
}
.process__step:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, .1);
}
.process__step h3 { color: #fff; }
.process__step p { color: rgba(255, 255, 255, .75); }
.process__num {
  display: block;
  font-family: var(--ff-display);
  font-size: 2.6rem;
  font-weight: 800;
  color: #06B6D4;
  line-height: 1;
  margin-bottom: 12px;
}

/* -------- BROCHURE CTA (navy) -------- */
.brochure {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-3) 100%);
  color: #fff;
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}
.brochure::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(6, 182, 212, .12), transparent 50%);
  pointer-events: none;
}
.brochure__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.brochure h2 { color: #fff; margin-bottom: 8px; }
.brochure p  { color: rgba(255, 255, 255, .85); margin: 0; }
.brochure .eyebrow { color: #06B6D4; border-color: #06B6D4; }
.brochure__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.brochure .btn--accent {
  background: #fff;
  color: var(--c-accent);
}
.brochure .btn--accent:hover { background: #f5f7fa; }
.brochure .btn--ghost {
  border-color: #fff;
  color: #fff;
}
.brochure .btn--ghost:hover { background: #fff; color: var(--c-accent); }

/* -------- CONTACT -------- */
.contact {
  padding: 100px 0;
  background: var(--c-bg);
}
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: start;
}
.contact__list {
  margin-top: 24px;
  display: grid;
  gap: 18px;
}
.contact__list li {
  display: grid;
  gap: 4px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-line);
}
.contact__label {
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-muted);
  font-weight: 700;
}
.contact__list a { color: var(--c-accent); font-weight: 600; }
.contact__list a:hover { color: var(--c-accent-2); }

/* WhatsApp visual */
.wa-link {
  display: inline-flex !important;
  align-items: center;
  gap: 10px;
  color: #25D366 !important;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .02em;
}
.wa-link:hover { color: #1ea855 !important; }
.wa-link__icon { flex-shrink: 0; }

/* Bases operativas con direcciones */
.bases-list {
  display: grid;
  gap: 12px;
  margin-top: 4px;
}
.base-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.base-item strong {
  font-size: .82rem;
  color: var(--c-text);
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.base-item a {
  font-size: .9rem;
  color: var(--c-text-2) !important;
  font-weight: 500 !important;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.base-item a:hover { color: var(--c-accent) !important; }
.ext-arrow {
  font-size: .8rem;
  color: var(--c-muted);
  transition: transform var(--t-fast);
}
.base-item a:hover .ext-arrow { transform: translate(2px, -2px); color: var(--c-accent); }
.muted-tag {
  display: inline-block;
  font-size: .72rem;
  padding: 2px 10px;
  background: var(--c-bg-3);
  color: var(--c-muted);
  border-radius: 999px;
  width: fit-content;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.contact__form {
  background: var(--c-bg-2);
  border: 1px solid var(--c-line);
  padding: 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.contact__form h3 {
  font-size: 1.4rem;
  margin-bottom: 24px;
}
.form-row { margin-bottom: 16px; }
.form-row--2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-row label {
  display: block;
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-text-2);
  font-weight: 600;
  margin-bottom: 6px;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--c-text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(0, 31, 63, .12);
}
.form-row textarea { resize: vertical; min-height: 90px; }
.form-feedback {
  margin-top: 14px;
  font-size: .9rem;
  min-height: 1.2em;
}
.form-feedback.is-ok { color: #1B8A4A; }
.form-feedback.is-err { color: #B91C1C; }

/* -------- FOOTER (navy oscuro) -------- */
.footer {
  background: var(--c-dark);
  color: rgba(255, 255, 255, .7);
  padding-top: 56px;
  border-top: 1px solid var(--c-accent-3);
}
.footer .logo__text { color: #fff; }
.footer .logo__text strong { color: #06B6D4; }
.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 40px;
}
.footer__brand p {
  color: rgba(255, 255, 255, .55);
  font-size: .9rem;
  margin-top: 16px;
}
.footer__col h4 {
  color: #06B6D4;
  margin-bottom: 14px;
  font-size: .85rem;
}
.footer__col li {
  color: rgba(255, 255, 255, .7);
  font-size: .9rem;
  margin-bottom: 8px;
}
.footer__col a:hover { color: #06B6D4; }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0;
}
.footer__bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  color: rgba(255, 255, 255, .5);
  font-size: .82rem;
}
.footer__afip {
  display: inline-flex !important;
  align-items: center;
  background: #fff;
  padding: 3px;
  border-radius: 3px;
  transition: transform var(--t-fast);
  flex-shrink: 0;
  line-height: 0;
}
.footer__afip:hover { transform: scale(1.05); }
.footer__afip img {
  height: 42px !important;
  width: 32px !important;
  max-width: 32px !important;
  display: block !important;
  object-fit: contain;
}

/* -------- WHATSAPP FLOAT -------- */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 60;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 24px rgba(37,211,102,.35), 0 0 0 0 rgba(37,211,102,.55);
  animation: waPulse 2s ease-out infinite;
  transition: transform var(--t-fast);
}
.wa-float:hover { transform: scale(1.06); }
@keyframes waPulse {
  0%   { box-shadow: 0 12px 24px rgba(37,211,102,.35), 0 0 0 0 rgba(37,211,102,.55); }
  100% { box-shadow: 0 12px 24px rgba(37,211,102,.35), 0 0 0 22px rgba(37,211,102,0); }
}

/* -------- REVEAL ON SCROLL -------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .coverage__layout,
  .contact__layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .header__cta { display: none; }
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(255, 255, 255, .98);
    border-bottom: 1px solid var(--c-line);
    box-shadow: 0 6px 20px rgba(0, 20, 40, .08);
    transform: translateY(-110%);
    transition: transform var(--t-base);
    padding: 16px 0;
  }
  .nav.is-open { transform: translateY(0); }
  .nav ul { flex-direction: column; gap: 0; }
  .nav li { border-bottom: 1px solid var(--c-line); }
  .nav a {
    display: block;
    padding: 16px 20px;
    font-size: 1rem;
  }
  .nav a::after { display: none; }
  .hero { padding-top: 120px; min-height: auto; }
  .hero__pills { gap: 16px; }
  .hero__pills strong { font-size: 1.4rem; }
  .coverage__bases { grid-template-columns: 1fr; }
  .compliance__col h3 { margin-top: 16px; }
  .form-row--2 { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .brochure__inner { flex-direction: column; align-items: flex-start; text-align: left; }
}

@media (max-width: 520px) {
  .container { width: calc(100% - 24px); }
  .check-list { grid-template-columns: 1fr; }
  .filters { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 6px; }
  .filter { flex-shrink: 0; }
  .contact__form { padding: 24px; }
  .wa-float { width: 54px; height: 54px; bottom: 16px; right: 16px; }
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}