/* =========================================================
   1. VARIABLES DE MARCA
   Cambiá estos valores para adaptar toda la página a tus
   colores. Cada color se usa en muchos lugares: si lo
   cambiás acá, cambia en toda la web.
   ========================================================= */
:root {
  /* Paleta "confianza": azules de base y naranja SOLO en los botones de acción.
     Es la misma paleta de las imágenes de Instagram (carpeta redes/). */
  --color-bg: #0b1f3a;          /* fondo principal (azul marino) */
  --color-bg-alt: #0e2749;      /* fondo de secciones alternadas */
  --color-surface: #13305a;     /* fondo de tarjetas */
  --color-text: #f4f7fc;        /* texto principal */
  --color-muted: #c3d0e4;       /* texto secundario */
  --color-accent: #93c5fd;      /* celeste: títulos pequeños, números, detalles */
  --color-blue: #2563eb;        /* azul principal (el mismo del programa) */
  --color-cta: #ff9f1a;         /* naranja: SOLO botones de acción (pedir demo, enviar) */
  --color-cta-text: #1a1200;    /* texto sobre el naranja */
  --color-border: #22406e;      /* bordes suaves */

  --font-title: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --radius: 14px;               /* redondeo de esquinas */
  --max-width: 1100px;          /* ancho máximo del contenido */
}

/* =========================================================
   2. BASE: estilos generales que aplican a toda la página
   ========================================================= */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }          /* scroll suave al tocar el menú */

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
}

h1, h2, h3 { font-family: var(--font-title); line-height: 1.15; }

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

/* Contenedor centrado con márgenes laterales de 16px en celulares */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* =========================================================
   3. BOTONES
   ========================================================= */
.btn {
  display: inline-block;
  background: var(--color-cta);
  color: var(--color-cta-text);
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 10px;
  border: 2px solid var(--color-cta);
  transition: transform .15s, opacity .15s;
}
.btn:hover { transform: translateY(-2px); opacity: .9; }

/* Variante "fantasma": solo borde, sin relleno */
.btn--ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn--small { padding: 8px 18px; font-size: .9rem; }

/* =========================================================
   4. ENCABEZADO Y MENÚ
   ========================================================= */
.header {
  position: sticky; top: 0; z-index: 10;          /* queda fijo arriba al scrollear */
  background: rgba(11, 31, 58, .88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }

.logo { font-family: var(--font-title); font-weight: 700; font-size: 1.5rem; letter-spacing: .08em; }
.logo__dot { color: var(--color-cta); }
.logo--small { font-size: 1.1rem; }

.nav { display: flex; align-items: center; gap: 24px; }
.nav a:not(.btn) { color: var(--color-muted); font-weight: 500; }
.nav a:not(.btn):hover { color: var(--color-text); }

/* Botón hamburguesa: oculto en pantallas grandes */
.menu-toggle { display: none; background: none; border: 0; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--color-text); }

/* =========================================================
   5. PORTADA (HERO)
   ========================================================= */
.hero {
  padding: 120px 0 100px;
  /* brillo azul suave detrás del título */
  background: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, .45), transparent 60%);
  text-align: center;
}
.hero__tag {
  color: var(--color-accent); font-weight: 600; margin-bottom: 18px;
  text-transform: uppercase; letter-spacing: .14em; font-size: .8rem;
}
.hero__title {
  font-size: clamp(2.2rem, 5.4vw, 3.8rem);   /* se achica solo en pantallas chicas */
  letter-spacing: -.01em;
  max-width: 900px; margin: 0 auto 20px;
}
.hero__subtitle { color: var(--color-muted); font-size: 1.15rem; max-width: 680px; margin: 0 auto 32px; }
.hero__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* =========================================================
   6. SECCIONES GENERALES
   ========================================================= */
.section { padding: 90px 0; }
.section--alt { background: var(--color-bg-alt); }
.section__eyebrow {
  color: var(--color-accent);
  text-transform: uppercase; letter-spacing: .15em;
  font-size: .8rem; font-weight: 600; margin-bottom: 8px;
}
.section__title { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 40px; }

/* =========================================================
   7. TARJETAS DE SERVICIOS
   La grilla se acomoda sola: más columnas si hay espacio.
   ========================================================= */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--color-accent); transform: translateY(-4px); }
.card__icon {
  width: 46px; height: 46px; padding: 10px; margin-bottom: 16px;
  color: var(--color-accent);
  background: rgba(37, 99, 235, .18);
  border-radius: 12px;
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--color-muted); }

/* =========================================================
   8. PASOS DEL PROCESO
   ========================================================= */
.steps { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.step { border-top: 3px solid var(--color-accent); padding-top: 20px; }
.step__num { font-family: var(--font-title); font-size: 2.5rem; font-weight: 700; color: var(--color-accent); }
.step h3 { margin: 4px 0 8px; }
.step p { color: var(--color-muted); }

/* =========================================================
   9. SOBRE MÍ
   ========================================================= */
.about { display: flex; gap: 32px; align-items: center; }
.about__badge {
  flex-shrink: 0;
  width: 120px; height: 120px; border-radius: 24px;
  display: grid; place-items: center;
  font-family: var(--font-title); font-weight: 700; font-size: 3.4rem;
  background: var(--color-surface);
  border: 2px solid var(--color-blue);
}
.about__badge span { color: var(--color-cta); }
.about .section__title { margin-bottom: 12px; }
.about__text { color: var(--color-muted); max-width: 600px; }

/* =========================================================
   10. LLAMADO A LA ACCIÓN (CONTACTO)
   ========================================================= */
/* Contacto: brillo azul suave desde abajo, para cerrar la página */
.section--cta { background: radial-gradient(circle at 50% 100%, rgba(37, 99, 235, .28), transparent 60%), var(--color-bg); }
.cta { text-align: center; }
.cta__title { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 12px; }
.cta__text { color: var(--color-muted); margin-bottom: 28px; }

/* =========================================================
   11. PIE DE PÁGINA
   ========================================================= */
.footer { border-top: 1px solid var(--color-border); padding: 48px 0 24px; color: var(--color-muted); font-size: .9rem; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.footer__texto { margin-top: 10px; max-width: 320px; }
.footer__links { display: grid; gap: 8px; align-content: start; }
.footer__links a:hover { color: var(--color-text); }
.footer__legal { border-top: 1px solid var(--color-border); margin-top: 32px; padding-top: 20px; font-size: .8rem; }

/* =========================================================
   12. ANIMACIÓN DE APARICIÓN
   Los elementos con clase "reveal" empiezan invisibles y
   script.js les agrega "visible" cuando entran en pantalla.
   ========================================================= */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* Respeta a quien pidió "reducir movimiento" en su sistema */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   13. CELULARES (pantallas de menos de 720px)
   ========================================================= */
@media (max-width: 720px) {
  .menu-toggle { display: block; }

  /* El menú se esconde y aparece desplegado al tocar la hamburguesa */
  .nav {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 16px;
    padding: 24px 16px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
  }
  .nav.open { display: flex; }

  .hero { padding: 80px 0 70px; }
  .section { padding: 64px 0; }
  .about { flex-direction: column; text-align: center; }
}

/* =========================================================
   14. TEXTO INTRODUCTORIO DE SECCIÓN
   ========================================================= */
.section__lead { color: var(--color-muted); max-width: 640px; margin: -24px 0 36px; }

/* =========================================================
   15. CAPTURAS DEL PROGRAMA
   ========================================================= */
/* Marco de "ventana de Windows" alrededor de cada captura */
.ventana {
  margin: 56px auto 0;
  max-width: 980px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: 0 30px 80px rgba(3, 10, 25, .6), 0 0 0 1px rgba(147, 197, 253, .12);
}
.ventana__barra { display: flex; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--color-border); }
.ventana__barra span { width: 10px; height: 10px; border-radius: 50%; background: var(--color-border); }
.ventana__barra span:first-child { background: var(--color-accent); }
.ventana img { display: block; width: 100%; height: auto; }
.ventana--lateral { margin: 0; }

.nota { color: var(--color-muted); font-size: .85rem; margin-top: 14px; }

/* Galería: 2 columnas en computadora, 1 en celular */
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.gallery__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  transition: border-color .2s, transform .2s;
}
.gallery__item:hover,
.gallery__item:focus-visible { border-color: var(--color-accent); transform: translateY(-4px); outline: none; }
.gallery__item img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; }
.gallery__item figcaption { padding: 12px 16px; font-weight: 500; }

/* =========================================================
   16. VISOR (LIGHTBOX)
   ========================================================= */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center; align-content: center; gap: 12px;
  padding: 16px;
  background: rgba(0, 0, 0, .9);
}
.lightbox[hidden] { display: none; }
.lightbox__content img { max-width: 94vw; max-height: 82vh; border-radius: var(--radius); }
.lightbox__caption { color: var(--color-text); text-align: center; }
.lightbox__close {
  position: absolute; top: 16px; right: 16px;
  width: 44px; height: 44px; border-radius: 50%;
  border: 0; cursor: pointer;
  background: var(--color-surface); color: var(--color-text); font-size: 1.1rem;
}
.sin-scroll { overflow: hidden; }          /* con el visor abierto, la página no se mueve */

/* =========================================================
   17. PRODUCTO: logo, título y sección de producción
   ========================================================= */
.logo__producto { color: var(--color-muted); font-weight: 500; letter-spacing: .02em; }

/* Pasos a la izquierda, captura a la derecha (una debajo de otra en celular) */
.split { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: center; }
.steps--vertical { grid-template-columns: 1fr; gap: 28px; }
.steps--vertical .step { border-top: 0; border-left: 3px solid var(--color-accent); padding: 0 0 0 20px; }
.steps--vertical .step__num { font-size: 1.4rem; }

/* =========================================================
   18. PREGUNTAS FRECUENTES
   ========================================================= */
.faq { display: grid; gap: 12px; max-width: 780px; }
.faq details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 22px;
}
.faq details[open] { border-color: var(--color-accent); }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--color-accent); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--color-muted); margin-top: 10px; }

@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .gallery { grid-template-columns: 1fr; }
  .ventana { margin-top: 40px; }
}

/* =========================================================
   19. SERVIDOR PROPIO
   ========================================================= */
.split--invertido { grid-template-columns: 1.1fr 1fr; }
.ilustracion img { display: block; width: 100%; height: auto; }
.lista-check { list-style: none; display: grid; gap: 16px; }
.lista-check li { position: relative; padding-left: 34px; color: var(--color-muted); }
.lista-check li strong { color: var(--color-text); }
.lista-check li::before {
  content: "✓";
  position: absolute; left: 0; top: 1px;
  width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--color-blue); color: #fff;
  font-size: .8rem; font-weight: 700;
}

/* =========================================================
   20. CONTACTAME (datos + formulario)
   ========================================================= */
.contacto { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; }
.contacto .section__title { margin-bottom: 16px; }
.contacto__texto { color: var(--color-muted); margin-bottom: 20px; }
.contacto__canales { list-style: none; display: grid; gap: 10px; }
.contacto__canales a {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow-wrap: anywhere;
}
.contacto__canales a:hover { border-color: var(--color-accent); }

.formulario {
  display: grid; gap: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}
.formulario__fila { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.formulario label { display: grid; gap: 6px; font-weight: 500; font-size: .95rem; }
.formulario input:not([type="checkbox"]),
.formulario select,
.formulario textarea {
  width: 100%;
  font: inherit; font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 11px 13px;
}
.formulario textarea { resize: vertical; }
.formulario input:focus,
.formulario select:focus,
.formulario textarea:focus { outline: 2px solid var(--color-accent); outline-offset: 1px; border-color: transparent; }

/* Al intentar enviar incompleto, los campos inválidos se marcan en rojo */
.formulario--revisar input:invalid,
.formulario--revisar select:invalid { border-color: #ff6b6b; }

.formulario__modulos { border: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 16px; }
.formulario__modulos legend { font-weight: 500; font-size: .95rem; margin-bottom: 8px; }
.formulario .casilla { display: flex; align-items: center; gap: 10px; font-weight: 400; color: var(--color-muted); cursor: pointer; }
.casilla input { width: 18px; height: 18px; accent-color: var(--color-blue); }
.opcional { color: var(--color-muted); font-weight: 400; }

.formulario__enviar { justify-self: start; font: inherit; font-weight: 600; cursor: pointer; }
.formulario__enviar:disabled { opacity: .6; cursor: wait; }
.formulario__legal { color: var(--color-muted); font-size: .8rem; }

.formulario__estado { border-radius: 10px; padding: 12px 14px; font-weight: 500; }
.formulario__estado--ok { background: rgba(62, 207, 142, .12); border: 1px solid #3ecf8e; color: #7ee2b3; }
.formulario__estado--error { background: rgba(255, 107, 107, .1); border: 1px solid #ff6b6b; color: #ffabab; }

/* Campo trampa: fuera de la pantalla (los robots lo completan, las personas no lo ven) */
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

@media (max-width: 860px) {
  .split--invertido,
  .contacto { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .formulario { padding: 20px; }
  .formulario__fila,
  .formulario__modulos { grid-template-columns: 1fr; }
}

/* =========================================================
   21. ÍCONOS DE LÍNEA
   Los dibujos están una sola vez al principio del HTML (<svg class="iconos">)
   y se reutilizan con <svg class="icono"><use href="#i-..."></svg>.
   Toman el color del texto que los rodea (currentColor).
   ========================================================= */
.iconos { position: absolute; width: 0; height: 0; overflow: hidden; }
.icono {
  width: 22px; height: 22px; flex-shrink: 0;
  fill: none; stroke: currentColor; stroke-width: 1.75;
  stroke-linecap: round; stroke-linejoin: round;
}
.contacto__canales .icono { color: var(--color-accent); }

/* =========================================================
   22. PILARES (franja debajo de la portada)
   ========================================================= */
.pilares { border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); background: var(--color-bg-alt); }
.pilares__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-top: 28px; padding-bottom: 28px; }
.pilar { display: flex; gap: 14px; align-items: flex-start; }
.pilar .icono { width: 28px; height: 28px; color: var(--color-accent); margin-top: 2px; }
.pilar strong { display: block; font-weight: 600; }
.pilar span { display: block; color: var(--color-muted); font-size: .88rem; line-height: 1.45; }

/* =========================================================
   23. RUBROS (tarjetas con foto)
   ========================================================= */
.rubros { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.rubro {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.rubro img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; background: var(--color-bg-alt); }
.rubro__texto { padding: 22px 24px 26px; }
.rubro h3 { margin-bottom: 8px; }
.rubro p { color: var(--color-muted); }

/* Fotos sueltas (seguridad, implementación) */
.foto img {
  display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover;
  border-radius: var(--radius); border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

/* =========================================================
   24. SEGURIDAD (garantías con ícono)
   ========================================================= */
.garantias { display: grid; gap: 24px; }
.garantia { display: flex; gap: 16px; align-items: flex-start; }
.garantia .icono {
  width: 44px; height: 44px; padding: 10px;
  color: var(--color-accent); background: rgba(37, 99, 235, .18); border-radius: 12px;
}
.garantia h3 { font-size: 1.1rem; margin-bottom: 4px; }
.garantia p { color: var(--color-muted); }

/* Etiqueta "Próximamente" junto al título chico */
.etiqueta {
  display: inline-block; margin-left: 10px; padding: 2px 10px;
  border: 1px solid var(--color-accent); border-radius: 999px;
  font-size: .7rem; letter-spacing: .08em; vertical-align: middle;
}

@media (max-width: 960px) {
  .pilares__grid { grid-template-columns: repeat(2, 1fr); }
  .rubros { grid-template-columns: 1fr; max-width: 560px; }
  .footer__grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .pilares__grid { grid-template-columns: 1fr; }
}

/* =========================================================
   25. PÁGINAS WEB (demos de sitios y lo que incluye el servicio)
   ========================================================= */
.demos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.demo-web {
  display: flex; flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .2s, transform .2s;
}
.demo-web:hover, .demo-web:focus-visible { border-color: var(--color-accent); transform: translateY(-4px); outline: none; }
.demo-web__marco { display: block; border-bottom: 1px solid var(--color-border); }
.demo-web__marco img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.demo-web__texto { display: grid; gap: 2px; padding: 18px 20px 20px; }
.demo-web__rubro { color: var(--color-accent); font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .12em; }
.demo-web strong { font-family: var(--font-title); font-size: 1.25rem; }
.demo-web__ver { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; color: var(--color-muted); font-weight: 500; }
.demo-web__ver .icono { width: 18px; height: 18px; transition: transform .2s; }
.demo-web:hover .demo-web__ver { color: var(--color-text); }
.demo-web:hover .demo-web__ver .icono { transform: translateX(4px); }

.web-incluye { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 40px; margin-top: 56px; }
.web-cta { margin-top: 40px; }

@media (max-width: 960px) {
  .demos { grid-template-columns: 1fr; max-width: 560px; }
  .web-incluye { grid-template-columns: 1fr; }
}