/* ============================================================
   FJV CONSULTORES — main.css
   Seguridad e Higiene Industrial | Production-ready CSS
   ============================================================ */

/* ============================================================
   0. CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Paleta de colores */
  --c-azul-marino:        #1B263B;
  --c-azul-marino-dark:   #111d2e;
  --c-gris-carbon:        #343A40;
  --c-naranja-seguridad:  #FF6700;
  --c-amarillo-trafico:   #FCA311;
  --c-blanco:             #F8F9FA;
  --c-blanco-puro:        #FFFFFF;
  --c-borde:              rgba(255,255,255,0.08);
  --c-naranja-dark:       #d95800;
  --c-rojo-error:         #dc2626;
  --c-rojo-error-bg:      #fef2f2;
  --c-verde-exito:        #22c55e;
  --c-verde-exito-bg:     #f0fdf4;

  /* Espaciado y layout */
  --radius:       8px;
  --radius-lg:    16px;
  --t:            0.25s ease;
  --max-w:        1200px;
  --section-py:   clamp(4rem, 8vw, 7rem);
  --nav-h:        72px;

  /* Sombras */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.15);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.2);
  --shadow-naranja: 0 4px 20px rgba(255,103,0,0.4);
}

/* ============================================================
   1. RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Roboto', system-ui, -apple-system, sans-serif;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--c-gris-carbon);
  background-color: var(--c-blanco);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

img { height: auto; }

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  font: inherit;
  border: none;
  background: none;
}

address {
  font-style: normal;
}

input,
textarea,
select {
  font: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

/* Focus visible accesible */
:focus-visible {
  outline: 3px solid var(--c-naranja-seguridad);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ============================================================
   2. TIPOGRAFÍA
   ============================================================ */
h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 700;
}

h4 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

p { max-width: 68ch; }

strong { font-weight: 700; }

/* ============================================================
   3. LAYOUT
   ============================================================ */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.section {
  padding-block: var(--section-py);
}

/* ============================================================
   4. BOTONES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  transition: background-color var(--t), color var(--t), box-shadow var(--t), transform var(--t), border-color var(--t);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

/* Botón primario (naranja) */
.btn-primary {
  background-color: var(--c-naranja-seguridad);
  color: var(--c-blanco-puro);
  border-color: var(--c-naranja-seguridad);
}

.btn-primary:hover {
  background-color: var(--c-naranja-dark);
  border-color: var(--c-naranja-dark);
  box-shadow: var(--shadow-naranja);
}

/* Botón outline (sobre fondos oscuros) */
.btn-outline {
  background-color: transparent;
  color: var(--c-blanco);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
  background-color: rgba(255,255,255,0.1);
  border-color: var(--c-blanco);
}

/* Botón outline-light (variante para secciones oscuras) */
.btn-outline-light {
  background-color: transparent;
  color: var(--c-blanco);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline-light:hover {
  background-color: rgba(255,255,255,0.1);
  border-color: var(--c-blanco);
  box-shadow: 0 4px 20px rgba(255,255,255,0.1);
}

/* Botón CTA (navbar — compacto) */
.btn-cta {
  background-color: var(--c-naranja-seguridad);
  color: var(--c-blanco-puro);
  border-color: var(--c-naranja-seguridad);
  padding: 0.5rem 1.1rem;
  font-size: 0.8rem;
}

.btn-cta:hover {
  background-color: var(--c-naranja-dark);
  border-color: var(--c-naranja-dark);
  box-shadow: var(--shadow-naranja);
}

/* Botón grande */
.btn-lg {
  padding: 1rem 2rem;
  font-size: 0.95rem;
}

/* Botón ancho completo */
.btn-block {
  width: 100%;
}

/* Estado deshabilitado */
.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* ============================================================
   5. UTILIDADES
   ============================================================ */
.icon {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.icon-16 {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.icon-20 {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.icon-48 {
  width: 3rem;
  height: 3rem;
  flex-shrink: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   6. SAFETY STRIPE
   ============================================================ */
.safety-stripe {
  height: 20px;
  background: repeating-linear-gradient(
    -45deg,
    #FCA311 0px,
    #FCA311 10px,
    #111827 10px,
    #111827 20px
  );
}

/* ============================================================
   7. SECTION TAGS & EYEBROWS
   ============================================================ */
.eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-amarillo-trafico);
  margin-bottom: 0.75rem;
}

.section-tag {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-naranja-seguridad);
  margin-bottom: 0.75rem;
}

.section-tag--light {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-amarillo-trafico);
  margin-bottom: 0.75rem;
}

.section-header {
  margin-bottom: 3rem;
}

.section-header--centered {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: 3rem;
}

.section-header--centered p { margin-inline: auto; }

.section-sub {
  margin-top: 1rem;
  font-size: 1.1rem;
  color: var(--c-gris-carbon);
  opacity: 0.85;
}

.h2-light {
  color: var(--c-blanco);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.01em;
}

.section-intro-light {
  color: rgba(248,249,250,0.85);
  margin-top: 1rem;
  margin-bottom: 2rem;
  font-size: 1.05rem;
  max-width: 55ch;
}

/* ============================================================
   8. HEADER / NAV
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(27,38,59,0.92);
  border-bottom: 1px solid var(--c-borde);
  transition: box-shadow var(--t), background-color var(--t);
}

.site-header.is-scrolled {
  background: rgba(27,38,59,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  gap: 2rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo__svg {
  height: 46px;
  width: auto;
}

.logo__img {
  height: 44px;
  width: auto;
  max-height: 44px;
  display: block;
  object-fit: contain;
}

.footer-logo .logo__img {
  height: 36px;
  max-height: 36px;
}

/* Nav principal */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(248,249,250,0.9);
  position: relative;
  transition: color var(--t);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.75rem;
  right: 0.75rem;
  height: 2px;
  background: var(--c-naranja-seguridad);
  transform: scaleX(0);
  transition: transform var(--t);
  border-radius: 1px;
}

.nav-link:hover,
.nav-link[aria-current="true"] {
  color: var(--c-blanco-puro);
}

.nav-link:hover::after,
.nav-link[aria-current="true"]::after {
  transform: scaleX(1);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: transparent;
  border: 1px solid var(--c-borde);
  border-radius: var(--radius);
  cursor: pointer;
  z-index: 1001;
  flex-shrink: 0;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-blanco);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

/* Hamburger activo (→ X) */
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 900px) {
  .hamburger {
    display: flex;
  }

  .main-nav {
    position: fixed;
    inset: 0;
    background: var(--c-azul-marino);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .nav-link {
    font-size: 1.3rem;
    padding: 0.75rem 1.5rem;
  }

  .btn-cta {
    margin-top: 1rem;
    font-size: 1rem;
    padding: 0.75rem 2rem;
  }
}

/* ============================================================
   9. HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  max-height: 900px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--c-azul-marino);
  padding-top: var(--nav-h);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg picture,
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(27,38,59,0.94) 0%,
    rgba(27,38,59,0.78) 100%
  );
}

.hero__stripe {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 60fr 40fr;
  gap: 3rem;
  align-items: center;
  padding-block: 4rem;
  width: 100%;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero__heading {
  color: var(--c-blanco-puro);
}

.hero__lead {
  color: rgba(248,249,250,0.88);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 60ch;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-amarillo-trafico);
  opacity: 0.9;
  margin-top: 0.5rem;
}

.hero__visual {
  /* Espacio visual en desktop */
  min-height: 200px;
}

@media (max-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    display: none;
  }

  .hero {
    min-height: 100svh;
    max-height: none;
  }
}

/* ============================================================
   10. SERVICIOS
   ============================================================ */
.section-servicios {
  background-color: var(--c-blanco);
}

.section-servicios h2 {
  color: var(--c-azul-marino);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.service-card {
  background: var(--c-blanco-puro);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(27,38,59,0.1);
  border-left: 4px solid var(--c-naranja-seguridad);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform var(--t), box-shadow var(--t);
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card__icon {
  color: var(--c-naranja-seguridad);
}

.service-card__title {
  color: var(--c-azul-marino);
  font-size: 1.15rem;
}

.service-card__desc {
  color: var(--c-gris-carbon);
  font-size: 0.95rem;
  line-height: 1.7;
  opacity: 0.9;
}

/* CTA Banner */
.cta-banner {
  background: var(--c-azul-marino);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.cta-banner__quote {
  color: rgba(248,249,250,0.9);
  font-style: italic;
  font-size: 1.05rem;
  max-width: 55ch;
  margin: 0;
}

.cta-banner__quote::before { content: '"'; }
.cta-banner__quote::after  { content: '"'; }

@media (max-width: 768px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================================
   11. MEDICIONES
   ============================================================ */
.section-mediciones {
  background-color: var(--c-azul-marino);
  padding: 0;
}

.mediciones-split {
  display: grid;
  grid-template-columns: 40fr 60fr;
  min-height: 700px;
}

.mediciones-split__img {
  position: relative;
  overflow: hidden;
}

.mediciones-split__img picture,
.mediciones-split__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.mediciones-split__img::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to right,
    rgba(27,38,59,0.6) 0%,
    rgba(27,38,59,0.1) 100%
  );
}

/* Fallback cuando no hay imagen */
.mediciones-split__img:not(:has(img[src])) {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
}

.mediciones-split__content {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 4vw, 3rem);
}

.container-half {
  max-width: 620px;
  width: 100%;
}

/* Lista de mediciones */
.measurement-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  counter-reset: measurement;
}

.measurement-item {
  background: rgba(255,255,255,0.05);
  border-left: 4px solid var(--c-amarillo-trafico);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem 1.5rem;
  transition: background-color var(--t);
}

.measurement-item:hover {
  background: rgba(255,255,255,0.08);
}

.measurement-item__icon {
  display: block;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,0.14);
  padding: 6px;
  margin-bottom: 0.75rem;
  object-fit: contain;
}

.measurement-item__norm {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-amarillo-trafico);
  margin-bottom: 0.4rem;
}

.measurement-item__title {
  color: var(--c-blanco);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.measurement-item__desc {
  color: rgba(248,249,250,0.75);
  font-size: 0.9rem;
  line-height: 1.65;
  margin: 0;
}

@media (max-width: 900px) {
  .mediciones-split {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .mediciones-split__img {
    min-height: 280px;
  }
}

/* ============================================================
   12. AUTOPROTECCIÓN
   ============================================================ */
.section-autoproteccion {
  background-color: var(--c-blanco);
}

.section-autoproteccion h2 {
  color: var(--c-azul-marino);
}

.auto-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.auto-card {
  background: var(--c-blanco-puro);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(27,38,59,0.1);
  border-top: 5px solid transparent;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--t), box-shadow var(--t);
}

.auto-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.auto-card--naranja { border-top-color: var(--c-naranja-seguridad); }
.auto-card--amarillo { border-top-color: var(--c-amarillo-trafico); }

.auto-card__icon {
  display: flex;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.auto-card__title {
  font-size: 1.25rem;
  color: var(--c-azul-marino);
}

.auto-card__norm {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-naranja-seguridad);
  text-transform: uppercase;
}

.auto-card--amarillo .auto-card__norm {
  color: #b07b00;
}

.auto-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.auto-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--c-gris-carbon);
}

.auto-card__list .icon-16 {
  color: var(--c-naranja-seguridad);
  margin-top: 3px;
  flex-shrink: 0;
}

.auto-card--amarillo .auto-card__list .icon-16 {
  color: #b07b00;
}

/* Nota informativa */
.auto-note {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: #fff8ee;
  border: 1px solid var(--c-amarillo-trafico);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-top: 1rem;
}

.auto-note p {
  font-size: 0.9rem;
  color: var(--c-gris-carbon);
  line-height: 1.65;
  margin: 0;
}

@media (max-width: 768px) {
  .auto-cards {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   13. CONTACTO
   ============================================================ */
.section-contacto {
  background: var(--c-gris-carbon);
  padding: 0;
}

.contacto-inner {
  display: grid;
  grid-template-columns: 45fr 55fr;
  min-height: 700px;
}

/* Left: Info de contacto */
.contacto-left {
  background: var(--c-azul-marino);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 4vw, 3rem);
  gap: 1.5rem;
}

.contacto-left h2 {
  max-width: 18ch;
}

.contacto-lead {
  color: rgba(248,249,250,0.85);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 45ch;
  margin: 0;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 0.5rem;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: rgba(248,249,250,0.85);
  font-size: 0.95rem;
}

.contact-info__item .icon-20 {
  color: var(--c-amarillo-trafico);
  margin-top: 2px;
  flex-shrink: 0;
}

.contact-info__link {
  color: var(--c-amarillo-trafico);
  transition: opacity var(--t);
}

.contact-info__link:hover { opacity: 0.8; }

/* Right: Formulario */
.contacto-right {
  background: var(--c-gris-carbon);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 4vw, 3rem);
}

@media (max-width: 900px) {
  .contacto-inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }
}

/* ============================================================
   14. FORMULARIO
   ============================================================ */
.contact-form {
  width: 100%;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Filas del formulario */
.form-row {
  display: grid;
  gap: 1rem;
}

.form-row--2col {
  grid-template-columns: 1fr 1fr;
}

.form-row--3col {
  grid-template-columns: 1fr 1fr 1fr;
}

/* Campo individual */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  position: relative;
}

/* Labels */
.form-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(248,249,250,0.85);
  letter-spacing: 0.04em;
}

.form-legend {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(248,249,250,0.85);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

/* Inputs, selects, textarea */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  color: var(--c-blanco);
  padding: 0.7rem 0.9rem;
  font-size: 0.95rem;
  transition: border-color var(--t), background-color var(--t), box-shadow var(--t);
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--c-naranja-seguridad);
  background: rgba(255,255,255,0.09);
  box-shadow: 0 0 0 3px rgba(255,103,0,0.2);
}

/* Placeholder */
.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(248,249,250,0.3);
}

/* Select flecha personalizada */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(248,249,250,0.5)' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1.1rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-select option {
  background: var(--c-gris-carbon);
  color: var(--c-blanco);
}

/* Estado inválido */
.form-input[aria-invalid="true"],
.form-select[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: var(--c-rojo-error);
}

/* Mensaje de error */
.form-error {
  font-size: 0.78rem;
  color: #f87171;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  min-height: 1rem;
}

/* Contador de caracteres */
.char-counter {
  font-size: 0.75rem;
  color: rgba(248,249,250,0.4);
  text-align: right;
  margin-top: 0.25rem;
  font-family: 'Montserrat', sans-serif;
}

.char-counter.is-warning {
  color: var(--c-amarillo-trafico);
}

/* Textarea */
.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Fieldset */
.form-fieldset {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 1.25rem;
  background: rgba(255,255,255,0.03);
}

/* Grid de checkboxes */
.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

/* Label checkbox */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.88rem;
  color: rgba(248,249,250,0.85);
  line-height: 1.4;
}

.checkbox-label:hover { color: var(--c-blanco); }

/* Checkbox personalizado */
.checkbox-input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 4px;
  background: rgba(255,255,255,0.05);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 1px;
  position: relative;
  transition: background-color var(--t), border-color var(--t);
}

.checkbox-input:checked {
  background: var(--c-naranja-seguridad);
  border-color: var(--c-naranja-seguridad);
}

.checkbox-input:checked::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 4px;
  width: 6px;
  height: 10px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.checkbox-input:focus-visible {
  outline: 3px solid var(--c-naranja-seguridad);
  outline-offset: 2px;
}

/* Consentimiento */
.checkbox-label--consent {
  color: rgba(248,249,250,0.7);
  font-size: 0.82rem;
  line-height: 1.5;
}

.checkbox-label--consent strong {
  color: rgba(248,249,250,0.9);
}

/* Honeypot (anti-spam) */
.hp-field {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  tabindex: -1;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* Éxito */
.form-response {
  margin-top: 0.5rem;
}

.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  background: var(--c-verde-exito-bg);
  border: 2px solid var(--c-verde-exito);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-success h3 {
  color: #166534;
  font-size: 1.15rem;
}

.form-success p {
  color: #166534;
  font-size: 0.95rem;
  margin: 0;
}

/* Error de envío */
.form-error-state {
  background: var(--c-rojo-error-bg);
  border: 2px solid var(--c-rojo-error);
  border-radius: var(--radius);
  padding: 1.25rem;
  font-size: 0.9rem;
  color: #991b1b;
}

.form-error-state a {
  color: #991b1b;
  text-decoration: underline;
}

/* Loading state botón */
.btn-loading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Responsive formulario */
@media (max-width: 640px) {
  .form-row--2col,
  .form-row--3col {
    grid-template-columns: 1fr;
  }

  .checkbox-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   15. FOOTER
   ============================================================ */
.site-footer {
  background: var(--c-azul-marino-dark);
  color: rgba(248,249,250,0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  padding-block: 4rem 3rem;
}

/* Columna identidad */
.footer-identity {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-logo {
  display: inline-flex;
  margin-bottom: 0.25rem;
}

.footer-identity__name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--c-blanco);
  margin: 0;
}

.footer-identity__desc {
  font-size: 0.85rem;
  margin: 0;
  max-width: none;
}

.footer-identity__credential {
  font-size: 0.8rem;
  color: var(--c-amarillo-trafico);
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  max-width: none;
}

/* Headings del footer */
.footer-heading {
  color: var(--c-blanco);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

/* Links del footer */
.footer-links,
.footer-norms {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-link {
  font-size: 0.9rem;
  color: rgba(248,249,250,0.65);
  transition: color var(--t);
}

.footer-link:hover { color: var(--c-naranja-seguridad); }

.footer-norms li {
  font-size: 0.85rem;
  line-height: 1.4;
}

/* Trust logos */
.trust-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.trust-logo-placeholder {
  width: 60px;
  height: 60px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: rgba(248,249,250,0.6);
  text-align: center;
  padding: 0.25rem;
}

/* AFIP QR */
.afip-qr { margin-top: 0.5rem; }

.afip-qr__link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: rgba(248,249,250,0.6);
  font-size: 0.8rem;
  transition: color var(--t);
}

.afip-qr__link:hover { color: var(--c-blanco); }

.afip-qr img {
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.15);
  background: var(--c-blanco);
}

/* Footer bottom */
.footer-bottom {
  border-top: 1px solid var(--c-borde);
  padding-block: 1.5rem;
}

.footer-legal {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(248,249,250,0.45);
  max-width: 80ch;
  margin-inline: auto;
}

/* Footer responsive */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    padding-block: 2.5rem 2rem;
  }
}

/* ============================================================
   16. ANIMACIONES FADE-IN-UP
   ============================================================ */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delays escalonados */
[data-delay="0"]   { transition-delay: 0ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="600"] { transition-delay: 600ms; }
[data-delay="800"] { transition-delay: 800ms; }

/* Respeto por prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .fade-in-up {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================================
   EXTRA: Skip link visible en focus
   ============================================================ */
.skip-link {
  position: absolute;
  top: -999px;
  left: 0;
  padding: 0.75rem 1.5rem;
  background: var(--c-naranja-seguridad);
  color: var(--c-blanco-puro);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  z-index: 9999;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  top: 0;
}

/* ============================================================
   EXTRA: Utilidades de display para JS
   ============================================================ */
[hidden] { display: none !important; }

/* ============================================================
   EXTRA: Secciones con padding
   ============================================================ */
.section-servicios.section,
.section-autoproteccion.section {
  padding-block: var(--section-py);
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .site-header,
  .hero__bg,
  .hero__overlay,
  .hamburger,
  .safety-stripe,
  .cta-group,
  .cta-banner,
  .contact-form,
  .site-footer {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
  }

  a::after {
    content: ' (' attr(href) ')';
  }
}