/* =========================================================================
   BAF Poliuretano — Sistema de diseño
   Industrial · técnico · sólido · limpio. Sobrio, mobile-first, accesible.
   Paleta y tipografías definidas en el brief (sección 10).
   ========================================================================= */

/* ---- Tipografías (con fallback sin carga externa) ---------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Montserrat:wght@600;700&display=swap');

/* ---- Tokens ------------------------------------------------------------ */
:root {
  /* Color — armonizado con el logo real de BAF (índigo #384090) */
  --azul-industrial: #2A2D66; /* índigo profundo: encabezados, footer, bloques de confianza */
  --azul-tecnico:    #3B44A0; /* índigo del logo: enlaces, títulos secundarios, iconos */
  --naranja:         #F28C28; /* CTA principal y acentos (nunca grandes áreas) */
  --naranja-hover:   #D9761A;
  --gris-claro:      #F4F7FA; /* fondos */
  --gris-medio:      #66788A; /* texto secundario */
  --texto:           #17212B; /* texto principal */
  --blanco:          #FFFFFF;
  --wa-verde:        #25D366; /* solo WhatsApp */
  --wa-verde-hover:  #1EBE5A;
  --borde:          #E1E8EF;

  /* Tipografía */
  --font-head: 'Montserrat', system-ui, 'Segoe UI', Arial, sans-serif;
  --font-body: 'Inter', system-ui, 'Segoe UI', Arial, sans-serif;

  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  /* Radios y sombras (moderados, sobrios) */
  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(26, 29, 74, 0.06), 0 1px 3px rgba(26, 29, 74, 0.08);
  --shadow:    0 4px 12px rgba(26, 29, 74, 0.08);
  --shadow-lg: 0 10px 30px rgba(26, 29, 74, 0.12);

  --maxw: 1140px;
  --header-h: 68px;

  /* Intensidad de la marca de agua del logo (0 = invisible, sube para verla más) */
  --wm-opacity: 0;
}

/* ---- Reset ligero ------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--texto);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Marca de agua del logo: mosaico repetido en diagonal, detrás de todo.
   Para hacerla más o menos visible, cambia --wm-opacity (0 = invisible). */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: url('../img/watermark-tile.png');
  background-repeat: repeat;
  background-position: center;
  background-size: 280px;
  opacity: var(--wm-opacity, 0.07);
  pointer-events: none;
}

img, picture, svg, video { max-width: 100%; display: block; height: auto; }
a { color: var(--azul-tecnico); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.2; color: var(--azul-industrial); letter-spacing: -0.01em; }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
p { color: var(--texto); }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--gris-medio); line-height: 1.55; }

/* ---- Accesibilidad ----------------------------------------------------- */
:focus-visible { outline: 3px solid var(--azul-tecnico); outline-offset: 2px; border-radius: 3px; }
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 1000;
  background: var(--azul-industrial); color: #fff; padding: 12px 18px; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---- Layout ------------------------------------------------------------ */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--space-5); }
.section { padding-block: var(--space-8); }
.section--tight { padding-block: var(--space-7); }
.section--gris { background: var(--gris-claro); }
.section--azul { background: var(--azul-industrial); color: #fff; }
.section--azul h2, .section--azul h3 { color: #fff; }
.section--azul p { color: #D6E2ED; }
.section__head { max-width: 720px; margin-bottom: var(--space-6); }
.section__head.center { margin-inline: auto; text-align: center; }
.eyebrow { display: inline-block; font-family: var(--font-head); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--azul-tecnico); margin-bottom: var(--space-3); }
.section--azul .eyebrow { color: var(--naranja); }

.grid { display: grid; gap: var(--space-5); }
@media (min-width: 640px) { .grid--2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) { .grid--4 { grid-template-columns: repeat(4, 1fr); } }

/* ---- Botones ----------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55em;
  font-family: var(--font-head); font-weight: 600; font-size: 1rem; line-height: 1;
  padding: 0.95rem 1.5rem; border-radius: var(--radius); border: 2px solid transparent;
  cursor: pointer; text-align: center; transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .1s ease;
  min-height: 48px;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--naranja); color: #fff; }
.btn--primary:hover { background: var(--naranja-hover); }
.btn--dark { background: var(--azul-industrial); color: #fff; }
.btn--dark:hover { background: #1E2050; }
.btn--outline { background: transparent; color: var(--azul-industrial); border-color: var(--azul-industrial); }
.btn--outline:hover { background: var(--azul-industrial); color: #fff; }
.btn--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn--outline-light:hover { background: #fff; color: var(--azul-industrial); border-color: #fff; }
.btn--wa { background: var(--wa-verde); color: #fff; }
.btn--wa:hover { background: var(--wa-verde-hover); }
.btn--lg { padding: 1.1rem 1.9rem; font-size: 1.05rem; }
.btn--block { width: 100%; }
.btn svg { width: 20px; height: 20px; flex: none; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.btn-row.center { justify-content: center; }

/* ---- Header / navegación ---------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(180%) blur(6px); border-bottom: 1px solid var(--borde);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); min-height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-head); font-weight: 700; color: var(--azul-industrial); font-size: 1.15rem; }
.brand:hover { text-decoration: none; }
.brand__mark { width: 38px; height: 38px; border-radius: 8px; background: var(--azul-industrial); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 0.95rem; letter-spacing: 0.02em; flex: none; }
.brand__logo { height: 42px; width: auto; flex: none; }
.brand__name { display: flex; flex-direction: column; line-height: 1.05; }
.brand small { display: block; font-family: var(--font-body); font-weight: 500; font-size: 0.68rem; color: var(--gris-medio); letter-spacing: 0.02em; }
/* Logo sobre el footer oscuro: tarjeta blanca para contraste */
.brand--footer { align-items: center; }
.brand__logo-card { background: #fff; border-radius: var(--radius); padding: 12px 16px; display: inline-grid; place-items: center; }
.brand__logo-card img { height: 46px; width: auto; display: block; }

.nav__links { display: none; align-items: center; gap: var(--space-5); list-style: none; padding: 0; }
.nav__links a { color: var(--texto); font-weight: 500; font-size: 0.98rem; }
.nav__links a:hover { color: var(--azul-tecnico); text-decoration: none; }
.nav__links a[aria-current="page"] { color: var(--azul-tecnico); font-weight: 600; }
.nav__actions { display: flex; align-items: center; gap: var(--space-3); }
.nav__actions .btn { padding: 0.6rem 1rem; min-height: 42px; font-size: 0.92rem; }
.nav__wa { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: var(--radius); background: var(--wa-verde); color: #fff; flex: none; }
.nav__wa:hover { background: var(--wa-verde-hover); text-decoration: none; }
.nav__wa svg { width: 22px; height: 22px; }

.nav__toggle { display: inline-grid; place-items: center; width: 44px; height: 44px; background: transparent; border: 1px solid var(--borde); border-radius: var(--radius-sm); cursor: pointer; color: var(--azul-industrial); }
.nav__toggle svg { width: 24px; height: 24px; }
.nav__toggle .icon-close { display: none; }
.nav__toggle[aria-expanded="true"] .icon-open { display: none; }
.nav__toggle[aria-expanded="true"] .icon-close { display: block; }

/* Menú móvil */
.nav__mobile { display: none; border-top: 1px solid var(--borde); background: #fff; }
.nav__mobile.open { display: block; }
.nav__mobile ul { list-style: none; padding: var(--space-3) 0; margin: 0; }
.nav__mobile a { display: block; padding: 0.85rem var(--space-5); color: var(--texto); font-weight: 500; }
.nav__mobile a:hover { background: var(--gris-claro); text-decoration: none; }
.nav__mobile a[aria-current="page"] { color: var(--azul-tecnico); border-left: 3px solid var(--naranja); }
.nav__mobile .btn-row { padding: var(--space-4) var(--space-5) var(--space-5); }

@media (min-width: 980px) {
  .nav__links { display: flex; }
  .nav__toggle { display: none; }
  .nav__mobile { display: none !important; }
}
@media (max-width: 979px) {
  .nav__actions .btn { display: none; }
}

/* ---- Hero -------------------------------------------------------------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  min-height: 760px; display: grid; align-items: center;
  background-color: #14153a;
}
/* Imagen del hero con zoom lento y continuo (Ken Burns) */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-image: url('../img/hero-baf.png');
  background-size: cover; background-position: center; background-repeat: no-repeat;
  animation: heroZoom 26s ease-in-out infinite alternate;
}
@media (max-width: 768px) { .hero { min-height: 680px; } }
@media (prefers-reduced-motion: reduce) { .hero::before { animation: none; } }
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.08); } }

/* Entrada suave del contenido del hero al cargar */
.hero h1, .hero .lead, .hero .btn-row, .hero__badges, .hero__reviews { animation: heroIn 0.7s ease both; }
.hero .lead { animation-delay: 0.08s; }
.hero .btn-row { animation-delay: 0.16s; }
.hero__badges { animation-delay: 0.24s; }
.hero__reviews { animation-delay: 0.32s; }
@keyframes heroIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.hero__inner { position: relative; z-index: 2; display: grid; gap: var(--space-6); padding-block: var(--space-8); }
.hero h1 { color: #fff; }
.hero p { color: #C9D8E6; }
.hero .btn-row { margin-top: var(--space-2); }
.hero__badges { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-5); padding-top: var(--space-5); border-top: 1px solid rgba(255,255,255,0.12); }
.hero__badge { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: #D6E2ED; }
.hero__badge svg { width: 20px; height: 20px; color: var(--naranja); flex: none; }
.hero__reviews { display: inline-flex; align-items: center; gap: 0.55rem; margin-top: var(--space-5); color: #fff; font-size: 0.95rem; }
.hero__reviews:hover { text-decoration: none; opacity: 0.88; }
.hero__reviews .stars { color: #FFC107; letter-spacing: 2px; font-size: 1.05rem; }
.hero__reviews strong { color: #fff; }
.hero__media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,0.1); background: #1E2050; }
.hero__media .placeholder { aspect-ratio: 4/3; display: grid; place-items: center; text-align: center; padding: var(--space-6); color: #7c93a8; }
@media (min-width: 900px) {
  .hero__inner { grid-template-columns: 1.1fr 0.9fr; align-items: center; padding-block: var(--space-9); }
}
/* Marca de agua: mascota de BAF grande y difuminada al fondo del hero, sobre la foto */
.hero__wm { position: absolute; right: 1%; top: 50%; transform: translateY(-50%); height: clamp(300px, 52%, 560px); width: auto; opacity: 0.55; z-index: 1; pointer-events: none; user-select: none; }
@media (max-width: 899px) { .hero__wm { right: -14%; opacity: 0.12; height: 78%; } }

/* Logo dentro del hero: logo a color en tarjeta blanca sobre el degradado */
.hero__logo { display: grid; place-items: center; align-self: center; height: 100%; }
.hero__logo-card { background: #fff; border-radius: var(--radius-lg); padding: var(--space-6) var(--space-7); box-shadow: 0 20px 50px rgba(0,0,0,0.35); display: inline-grid; place-items: center; }
.hero__logo-card img { height: clamp(200px, 28vw, 300px); width: auto; display: block; }
@media (max-width: 899px) { .hero__logo { margin-top: var(--space-4); } .hero__logo-card { padding: var(--space-5); } .hero__logo-card img { height: clamp(180px, 40vw, 240px); } }

/* ---- Placeholder de imagen -------------------------------------------- */
.placeholder { background: repeating-linear-gradient(45deg, #e9eef3, #e9eef3 12px, #eff3f7 12px, #eff3f7 24px); color: var(--gris-medio); }
.placeholder-note { font-size: 0.85rem; }
.placeholder-note strong { display: block; font-family: var(--font-head); color: var(--azul-tecnico); margin-bottom: 4px; }

/* ---- Hero carrusel ----------------------------------------------------- */
.hero-carousel { position: relative; overflow: hidden; background: var(--azul-industrial); }
.hslides { position: relative; min-height: clamp(500px, 78vh, 680px); }
.hslide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity .7s ease; display: flex; align-items: center;
}
.hslide.is-active { position: relative; opacity: 1; visibility: visible; z-index: 2; }
@media (prefers-reduced-motion: reduce) { .hslide { transition: none; } }

/* Fondo de cada diapositiva.
   ▶ Para poner una FOTO real, descomenta y cambia la url en cada .hslide--N de abajo. */
.hslide__bg { position: absolute; inset: 0; z-index: 0; background-size: cover; background-position: center; }
.hslide__bg::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px); background-size: 22px 22px; }
/* Fotos reales de BAF con capa índigo oscura encima para que el texto se lea.
   (Las rutas son relativas a este CSS: ../img/) */
.hslide--1 .hslide__bg { background-image: linear-gradient(90deg, rgba(18,20,50,0.90) 0%, rgba(24,26,64,0.72) 55%, rgba(30,33,80,0.5) 100%), url('../img/hero-1.jpg'); }
.hslide--2 .hslide__bg { background-image: linear-gradient(90deg, rgba(18,20,50,0.90) 0%, rgba(24,26,64,0.72) 55%, rgba(30,33,80,0.5) 100%), url('../img/hero-2.jpg'); }
.hslide--3 .hslide__bg { background-image: linear-gradient(90deg, rgba(18,20,50,0.90) 0%, rgba(24,26,64,0.72) 55%, rgba(30,33,80,0.5) 100%), url('../img/hero-3.jpg'); }
@media (max-width: 640px) {
  /* En celular el texto ocupa todo el ancho: oscurecer parejo */
  .hslide__bg { background-image: linear-gradient(180deg, rgba(18,20,50,0.82), rgba(18,20,50,0.82)); }
  .hslide--1 .hslide__bg { background-image: linear-gradient(180deg, rgba(18,20,50,0.82), rgba(18,20,50,0.82)), url('../img/hero-1.jpg'); }
  .hslide--2 .hslide__bg { background-image: linear-gradient(180deg, rgba(18,20,50,0.82), rgba(18,20,50,0.82)), url('../img/hero-2.jpg'); }
  .hslide--3 .hslide__bg { background-image: linear-gradient(180deg, rgba(18,20,50,0.82), rgba(18,20,50,0.82)), url('../img/hero-3.jpg'); }
}

.hslide__inner { position: relative; z-index: 1; padding-block: var(--space-9); max-width: 720px; }
.hslide__inner h1, .hslide__inner h2 { color: #fff; font-size: clamp(1.9rem, 5vw, 3rem); }
.hslide__inner p { color: #C9D8E6; }
.hslide .btn-row { margin-top: var(--space-5); }
.hero-carousel .eyebrow { color: var(--naranja); }

/* Controles */
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.3);
  background: rgba(20,22,55,0.4); color: #fff; cursor: pointer; display: grid; place-items: center;
  transition: background-color .2s ease, border-color .2s ease;
}
.hero-arrow:hover { background: rgba(20,22,55,0.75); border-color: #fff; }
.hero-arrow svg { width: 24px; height: 24px; }
.hero-arrow--prev { left: 14px; }
.hero-arrow--next { right: 14px; }
/* Suben para no quedar tapados por la tarjeta de confianza que flota encima */
.hero-dots { position: absolute; bottom: 62px; left: 50%; transform: translateX(-50%); z-index: 6; display: flex; gap: 10px; }
.hero-dot { width: 12px; height: 12px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.6); background: transparent; cursor: pointer; padding: 0; transition: background-color .2s ease, transform .2s ease; }
.hero-dot.is-active { background: var(--naranja); border-color: var(--naranja); transform: scale(1.15); }
@media (max-width: 640px) {
  .hero-arrow { display: none; }
  .hslide__inner { padding-block: var(--space-8); text-align: left; }
}

/* ---- Hero del logo (marca en grande, arriba de todo) ------------------ */
.logo-hero { background: linear-gradient(180deg, #FFFFFF 0%, var(--gris-claro) 100%); text-align: center; padding-block: var(--space-8) var(--space-7); border-bottom: 1px solid var(--borde); }
.logo-hero__mark { height: clamp(150px, 26vw, 230px); width: auto; margin: 0 auto var(--space-4); }

/* Variante hero principal: logo GRANDE blanco sobre el degradado índigo desvanecido */
.logo-hero--main { position: relative; overflow: hidden; background: linear-gradient(160deg, #23264F 0%, var(--azul-industrial) 55%, #343A85 100%); border-bottom: 0; min-height: 66vh; display: grid; place-items: center; padding-block: var(--space-9); }
.logo-hero--main::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px); background-size: 22px 22px; opacity: 0.5; pointer-events: none; }
.logo-hero--main .container { position: relative; z-index: 1; }
.logo-hero--main .logo-hero__mark { height: clamp(200px, 34vw, 340px); filter: drop-shadow(0 10px 34px rgba(0,0,0,0.4)); }
.logo-hero--main .logo-hero__tag { color: #fff; }
.logo-hero--main .logo-hero__sub { color: #C9D8E6; }
.logo-hero--main .logo-hero__sub strong { color: var(--naranja); }
.logo-hero--main .btn-row { margin-top: var(--space-6); }
.logo-hero__tag { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.3rem, 3.4vw, 2.1rem); color: var(--azul-industrial); letter-spacing: -0.01em; }
.logo-hero__sub { color: var(--gris-medio); margin-top: var(--space-2); font-size: clamp(0.98rem, 2vw, 1.15rem); }
.logo-hero__sub strong { color: var(--azul-tecnico); }

/* ---- Beneficios (del catálogo BAF) ------------------------------------ */
.benefits { display: grid; gap: var(--space-4); }
@media (min-width: 560px) { .benefits { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .benefits { grid-template-columns: repeat(4, 1fr); } }
.benefit { text-align: center; background: #fff; border: 1px solid var(--borde); border-radius: var(--radius-lg); padding: var(--space-6) var(--space-4); box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease; }
.benefit:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.benefit__icon { width: 60px; height: 60px; margin: 0 auto var(--space-4); border-radius: 50%; background: rgba(242,140,40,0.12); color: var(--naranja); display: grid; place-items: center; }
.benefit__icon svg { width: 30px; height: 30px; }
.benefit h3 { font-size: 1.1rem; margin-bottom: var(--space-2); }
.benefit p { font-size: 0.9rem; color: var(--gris-medio); }

/* ---- Catálogo completo de servicios ----------------------------------- */
.catalog { display: grid; gap: var(--space-4); }
@media (min-width: 620px) { .catalog { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .catalog { grid-template-columns: repeat(3, 1fr); } }
.catalog__item { display: flex; gap: var(--space-4); align-items: flex-start; background: #fff; border: 1px solid var(--borde); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.catalog__item:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #cdd8e2; }
.catalog__icon { width: 46px; height: 46px; border-radius: var(--radius); background: rgba(59,68,160,0.1); color: var(--azul-tecnico); display: grid; place-items: center; flex: none; }
.catalog__icon svg { width: 24px; height: 24px; }
.catalog__item h3 { font-size: 1.05rem; margin-bottom: 4px; }
.catalog__item p { font-size: 0.88rem; color: var(--gris-medio); line-height: 1.45; }
.catalog__item--cta { border-style: dashed; border-color: var(--naranja); background: rgba(242,140,40,0.06); }
.catalog__item--cta .catalog__icon { background: rgba(242,140,40,0.14); color: var(--naranja); }
.catalog__item--cta a { font-weight: 600; white-space: nowrap; }

/* ---- Video de presentación -------------------------------------------- */
.video-frame { position: relative; width: fit-content; max-width: 100%; margin-inline: auto; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); background: #000; }
.video-frame video { display: block; max-width: 100%; max-height: 640px; height: auto; }
/* YouTube o estado vacío: relación 16:9 a lo ancho */
.video-frame.is-empty, .video-frame:has(iframe) { aspect-ratio: 16 / 9; width: 100%; max-width: 960px; }
.video-frame:has(iframe) iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-frame.is-empty { background: linear-gradient(150deg, #23264F, #2A2D66); border: 1px dashed rgba(255,255,255,0.25); }
.video-empty { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: var(--space-6); color: #C9D8E6; }
.video-empty svg { width: 60px; height: 60px; color: var(--naranja); margin: 0 auto var(--space-4); }
.video-empty strong { display: block; font-family: var(--font-head); font-size: 1.1rem; color: #fff; margin-bottom: 6px; }
.video-empty p { color: #A9BBCE; font-size: 0.9rem; max-width: 420px; }
.video-empty code { background: rgba(255,255,255,0.1); padding: 1px 6px; border-radius: 4px; font-size: 0.85em; }

/* ---- Barra de confianza ------------------------------------------------ */
.trust { background: #fff; border: 1px solid var(--borde); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: var(--space-5); display: grid; gap: var(--space-4); margin-top: calc(var(--space-6) * -1); position: relative; z-index: 5; }
.trust__item { display: flex; gap: var(--space-3); align-items: flex-start; }
.trust__item svg { width: 26px; height: 26px; color: var(--azul-tecnico); flex: none; margin-top: 2px; }
.trust__item h3 { font-size: 1rem; margin-bottom: 2px; }
.trust__item p { font-size: 0.9rem; color: var(--gris-medio); }
@media (min-width: 640px) { .trust { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .trust { grid-template-columns: repeat(4, 1fr); padding: var(--space-6); } }

/* ---- Tarjetas (servicios / genéricas) --------------------------------- */
.card { background: #fff; border: 1px solid var(--borde); border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow-sm); transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease; display: flex; flex-direction: column; height: 100%; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: #cdd8e2; }
.card__icon { width: 48px; height: 48px; border-radius: var(--radius); background: rgba(59,68,160,0.1); color: var(--azul-tecnico); display: grid; place-items: center; margin-bottom: var(--space-4); }
.card__icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: var(--space-2); }
.card p { color: var(--gris-medio); font-size: 0.96rem; flex: 1; }
.card__cta { margin-top: var(--space-4); font-family: var(--font-head); font-weight: 600; color: var(--azul-tecnico); display: inline-flex; align-items: center; gap: 0.4rem; }
.card__cta svg { width: 18px; height: 18px; transition: transform .2s ease; }
.card:hover .card__cta svg { transform: translateX(3px); }
.card--soon { position: relative; opacity: 0.92; }
.badge-soon { display: inline-block; font-family: var(--font-head); font-weight: 600; font-size: 0.7rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--gris-medio); background: var(--gris-claro); border: 1px solid var(--borde); padding: 3px 10px; border-radius: 999px; margin-bottom: var(--space-3); }

/* ---- Lista de factores (por qué se evalúa) ----------------------------- */
.factors { list-style: none; padding: 0; display: grid; gap: var(--space-3); }
@media (min-width: 640px) { .factors { grid-template-columns: repeat(2, 1fr); } }
.factors li { display: flex; gap: 0.6rem; align-items: flex-start; background: #fff; border: 1px solid var(--borde); border-radius: var(--radius); padding: 0.85rem 1rem; font-size: 0.95rem; }
.factors li svg { width: 20px; height: 20px; color: var(--naranja); flex: none; margin-top: 2px; }
.callout { margin-top: var(--space-5); background: rgba(242,140,40,0.1); border-left: 4px solid var(--naranja); border-radius: var(--radius-sm); padding: var(--space-4) var(--space-5); font-family: var(--font-head); font-weight: 600; color: var(--azul-industrial); }

/* ---- Pasos (cómo funciona) — tarjetas con número flotante -------------- */
.steps { list-style: none; counter-reset: step; padding: 0; margin-top: 48px; display: grid; gap: var(--space-7); }
@media (min-width: 640px) { .steps { grid-template-columns: repeat(2, 1fr); gap: var(--space-6) var(--space-5); } }
@media (min-width: 1024px) { .steps { grid-template-columns: repeat(5, 1fr); gap: var(--space-4); } }
.steps li {
  counter-increment: step; position: relative; text-align: center;
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: calc(var(--space-6) + 8px) var(--space-4) var(--space-5);
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease;
}
.steps li:hover { transform: translateY(-4px); background: rgba(255,255,255,0.09); border-color: rgba(242,140,40,0.55); }
.steps li::before {
  content: counter(step);
  position: absolute; top: -23px; left: 50%; transform: translateX(-50%);
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--naranja); color: #fff;
  font-family: var(--font-head); font-weight: 700; font-size: 1.15rem;
  display: grid; place-items: center;
  border: 4px solid var(--azul-industrial);
  box-shadow: 0 6px 16px rgba(242,140,40,0.4);
}
.steps h3 { font-size: 1.02rem; margin-bottom: var(--space-2); color: #fff; }
.steps p { font-size: 0.9rem; color: #AEBED0; line-height: 1.5; }

/* ---- Proyectos / galería ---------------------------------------------- */
.projects { display: grid; gap: var(--space-5); }
@media (min-width: 640px) { .projects { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .projects { grid-template-columns: repeat(3, 1fr); } }
.project { border: 1px solid var(--borde); border-radius: var(--radius-lg); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); }
.project__img { aspect-ratio: 4/3; overflow: hidden; background: var(--gris-claro); }
.project__img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.project:hover .project__img img { transform: scale(1.05); }
.project__img.placeholder { display: grid; place-items: center; text-align: center; padding: var(--space-5); }
.project__body { padding: var(--space-4) var(--space-5) var(--space-5); }
.project__tag { display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--azul-tecnico); background: rgba(59,68,160,0.1); padding: 3px 10px; border-radius: 999px; margin-bottom: var(--space-2); }
.project__body h3 { font-size: 1.05rem; margin-bottom: 4px; }
.project__body p { font-size: 0.9rem; color: var(--gris-medio); }

/* ---- FAQ (accordion) --------------------------------------------------- */
.faq { display: grid; gap: var(--space-3); max-width: 820px; margin-inline: auto; }
.faq__item { border: 1px solid var(--borde); border-radius: var(--radius); background: #fff; overflow: hidden; }
.faq__q { width: 100%; text-align: left; background: none; border: 0; cursor: pointer; padding: 1.1rem 1.25rem; font-family: var(--font-head); font-weight: 600; font-size: 1.02rem; color: var(--azul-industrial); display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); }
.faq__q:hover { background: var(--gris-claro); }
.faq__q svg { width: 22px; height: 22px; color: var(--azul-tecnico); flex: none; transition: transform .2s ease; }
.faq__q[aria-expanded="true"] svg { transform: rotate(45deg); }
.faq__a { padding: 0 1.25rem; max-height: 0; overflow: hidden; transition: max-height .25s ease, padding .25s ease; }
.faq__a p { padding-bottom: 1.1rem; color: var(--gris-medio); }
.faq__item.open .faq__a { max-height: 500px; }

/* ---- Formulario -------------------------------------------------------- */
.form-wrap { background: #fff; border: 1px solid var(--borde); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: var(--space-6); }
.fieldset { border: 0; padding: 0; margin: 0 0 var(--space-6); }
.fieldset legend { font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; color: var(--azul-industrial); padding-bottom: var(--space-2); margin-bottom: var(--space-4); border-bottom: 2px solid var(--gris-claro); width: 100%; }
.field { margin-bottom: var(--space-4); }
.field label { display: block; font-weight: 600; font-size: 0.92rem; margin-bottom: 0.4rem; color: var(--texto); }
.field .req { color: #C0392B; }
.field .hint { display: block; font-size: 0.82rem; color: var(--gris-medio); margin-top: 0.3rem; }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--font-body); font-size: 1rem; color: var(--texto);
  padding: 0.8rem 0.9rem; border: 1.5px solid var(--borde); border-radius: var(--radius-sm); background: #fff; min-height: 48px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--azul-tecnico); box-shadow: 0 0 0 3px rgba(59,68,160,0.15); }
.field input:invalid:not(:placeholder-shown) { border-color: #C0392B; }
.field--error input, .field--error select, .field--error textarea { border-color: #C0392B; }
.field__error { color: #C0392B; font-size: 0.85rem; margin-top: 0.35rem; display: none; }
.field--error .field__error { display: block; }
.grid-form { display: grid; gap: 0 var(--space-4); }
@media (min-width: 640px) { .grid-form.cols-2 { grid-template-columns: 1fr 1fr; } }
.check { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.92rem; margin-bottom: var(--space-3); }
.check input { width: 20px; height: 20px; min-height: auto; margin-top: 2px; flex: none; accent-color: var(--azul-tecnico); }
.check label { font-weight: 400; margin: 0; }
.check .field__error { margin-top: 0.25rem; }
.check.field--error input { outline: 2px solid #C0392B; outline-offset: 2px; }
.form-note { background: var(--gris-claro); border-radius: var(--radius); padding: var(--space-4); font-size: 0.9rem; color: var(--gris-medio); margin-bottom: var(--space-5); display: flex; gap: 0.6rem; }
.form-note svg { width: 22px; height: 22px; color: var(--azul-tecnico); flex: none; }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-status { margin-top: var(--space-4); padding: var(--space-4); border-radius: var(--radius); font-weight: 500; display: none; }
.form-status.error { display: block; background: #FDECEA; color: #922B21; border: 1px solid #F5B7B1; }

/* ---- CTA final --------------------------------------------------------- */
.cta-final { text-align: center; }
.cta-final h2 { color: #fff; margin-bottom: var(--space-3); }
.cta-final p { max-width: 620px; margin: 0 auto var(--space-6); }

/* ---- Footer ------------------------------------------------------------ */
.site-footer { background: var(--azul-industrial); color: #C9D8E6; padding-block: var(--space-8) var(--space-6); }
.site-footer a { color: #C9D8E6; }
.site-footer a:hover { color: #fff; }
.footer__grid { display: grid; gap: var(--space-6); }
@media (min-width: 700px) { .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer__brand .brand { color: #fff; }
.footer__brand .brand small { color: #8FA6BB; }
.footer__brand p { color: #90A6BA; font-size: 0.9rem; margin-top: var(--space-3); max-width: 320px; }
.footer h4 { font-family: var(--font-head); color: #fff; font-size: 0.95rem; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: var(--space-4); }
.footer ul { list-style: none; padding: 0; display: grid; gap: var(--space-2); }
.footer ul a { font-size: 0.94rem; }
.footer__contact li { display: flex; gap: 0.5rem; align-items: flex-start; font-size: 0.94rem; }
.footer__contact svg { width: 18px; height: 18px; color: var(--naranja); flex: none; margin-top: 3px; }
.footer__social { display: flex; gap: var(--space-3); margin-top: var(--space-4); }
.footer__social a { width: 40px; height: 40px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.15); display: grid; place-items: center; }
.footer__social a:hover { background: rgba(255,255,255,0.1); }
.footer__social svg { width: 20px; height: 20px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: var(--space-7); padding-top: var(--space-5); display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: space-between; font-size: 0.85rem; color: #8FA6BB; }
.footer__credit { opacity: 0.8; }
.footer__credit a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.footer__credit a:hover { color: #fff; }

/* ---- Mapa embebido ---------------------------------------------------- */
.map-embed { position: relative; width: 100%; min-height: 320px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--borde); box-shadow: var(--shadow); background: #eef1f5; }
.map-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
@media (max-width: 768px) { .map-embed { min-height: 260px; } }

/* ---- WhatsApp flotante ------------------------------------------------- */
.wa-float { position: fixed; right: 18px; bottom: 18px; z-index: 90; width: 56px; height: 56px; border-radius: 50%; background: var(--wa-verde); color: #fff; display: grid; place-items: center; box-shadow: var(--shadow-lg); transition: transform .2s ease, background-color .2s ease; }
.wa-float:hover { background: var(--wa-verde-hover); transform: scale(1.05); text-decoration: none; }
.wa-float svg { width: 30px; height: 30px; }

/* ---- Utilidades varias ------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-4 { margin-bottom: var(--space-4); }
.page-hero { background: var(--azul-industrial); color: #fff; padding-block: var(--space-8); }
.page-hero h1 { color: #fff; }
.page-hero p { color: #C9D8E6; max-width: 680px; margin-top: var(--space-3); }
.breadcrumb { font-size: 0.85rem; color: #8FA6BB; margin-bottom: var(--space-3); }
.breadcrumb a { color: #C9D8E6; }
.prose > * + * { margin-top: var(--space-4); }
.prose h2 { margin-top: var(--space-6); }
.prose h3 { margin-top: var(--space-5); }
.prose ul { padding-left: 1.3rem; color: var(--texto); }
.prose li + li { margin-top: 0.4rem; }

/* Reveal sutil al hacer scroll (respeta reduced-motion) */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity .4s ease, transform .4s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }