/* ==========================================================
   TECVASOFT - Tecnologías de Vanguardia en Software S.C. de C.V.
   Hoja de estilos (sobre Bootstrap 5.3)
   ========================================================== */

:root {
  --tv-azul-900: #021a3d;
  --tv-azul-800: #0a2f6b;
  --tv-azul-600: #1e73d8;
  --tv-azul-500: #1e90ff;
  --tv-celeste: #57c7ff;
  --tv-hielo: #eef5ff;
  --tv-gris: #5b6b85;

  --bs-primary: #1e73d8;
  --bs-primary-rgb: 30, 115, 216;
  --bs-link-color: #1e73d8;
  --bs-link-hover-color: #0a2f6b;
  --bs-body-font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-body-color: #22314d;
}

html { scroll-padding-top: 80px; }
body { overflow-x: hidden; }

h1, h2, h3, h4, h5, .navbar-brand { font-family: "Montserrat", var(--bs-body-font-family); }

/* ---------- Botones ---------- */
.btn-primary {
  --bs-btn-bg: var(--tv-azul-600);
  --bs-btn-border-color: var(--tv-azul-600);
  --bs-btn-hover-bg: var(--tv-azul-800);
  --bs-btn-hover-border-color: var(--tv-azul-800);
  --bs-btn-active-bg: var(--tv-azul-900);
  --bs-btn-active-border-color: var(--tv-azul-900);
}
.btn-tv {
  background: linear-gradient(135deg, var(--tv-azul-500), var(--tv-azul-600));
  color: #fff; border: 0;
  box-shadow: 0 10px 24px -10px rgba(30, 144, 255, .8);
  transition: transform .2s, box-shadow .2s;
}
.btn-tv:hover, .btn-tv:focus { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 28px -10px rgba(30, 144, 255, .9); }

/* ---------- Navbar ---------- */
.navbar-tv {
  background: rgba(2, 26, 61, .0);
  transition: background .3s, box-shadow .3s, padding .3s;
  padding-top: 1rem; padding-bottom: 1rem;
}
.navbar-tv.scrolled {
  background: rgba(2, 26, 61, .95);
  backdrop-filter: blur(8px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .18);
  padding-top: .5rem; padding-bottom: .5rem;
}
.navbar-tv .nav-link { color: rgba(255, 255, 255, .82); font-weight: 500; }
.navbar-tv .nav-link:hover, .navbar-tv .nav-link.active { color: #fff; }
.navbar-tv .navbar-brand img { height: 44px; }
@media (max-width: 991.98px) {
  .navbar-tv { background: rgba(2, 26, 61, .97); }
  .navbar-tv .navbar-collapse { padding: 1rem 0; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(circle at 85% 20%, rgba(87, 199, 255, .35), transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(30, 144, 255, .35), transparent 45%),
    linear-gradient(135deg, var(--tv-azul-900) 0%, var(--tv-azul-800) 55%, var(--tv-azul-600) 100%);
  color: #fff;
  padding: 150px 0 110px;
  overflow: hidden;
}
.hero::before { /* retícula sutil */
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, #000 40%, transparent);
}
.hero .container { position: relative; }
.hero h1 { font-weight: 800; line-height: 1.15; }
.hero .resaltado {
  background: linear-gradient(90deg, #57c7ff, #9fd8ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { color: rgba(255, 255, 255, .82); }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 50rem; padding: .35rem 1rem; font-size: .875rem;
}
.hero-img { animation: flotar 6s ease-in-out infinite; }
@keyframes flotar { 50% { transform: translateY(-14px); } }
.hero-ola { position: absolute; bottom: -1px; left: 0; width: 100%; line-height: 0; }
.hero-ola svg { width: 100%; height: 70px; }

/* ---------- Secciones ---------- */
.seccion { padding: 96px 0; }
.bg-hielo { background: var(--tv-hielo); }
.etiqueta {
  display: inline-block; color: var(--tv-azul-600); font-weight: 600;
  text-transform: uppercase; letter-spacing: .14em; font-size: .8rem; margin-bottom: .5rem;
}
.titulo-seccion { font-weight: 800; color: var(--tv-azul-800); }
.texto-gris { color: var(--tv-gris); }

/* ---------- Cifras ---------- */
.cifras { margin-top: -60px; position: relative; z-index: 2; }
.cifras .card { border: 0; border-radius: 1.25rem; box-shadow: 0 20px 50px -20px rgba(10, 47, 107, .35); }
.cifra { font-size: 2.4rem; font-weight: 800; color: var(--tv-azul-600); font-family: "Montserrat", sans-serif; }

/* ---------- Tarjetas de servicios ---------- */
.tarjeta {
  border: 1px solid #e3ebf7; border-radius: 1.25rem; background: #fff;
  padding: 2rem; height: 100%;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.tarjeta:hover { transform: translateY(-6px); border-color: transparent; box-shadow: 0 24px 48px -20px rgba(10, 47, 107, .35); }
.icono {
  width: 60px; height: 60px; border-radius: 1rem;
  display: grid; place-items: center; font-size: 1.6rem; color: #fff;
  background: linear-gradient(135deg, var(--tv-azul-500), var(--tv-azul-800));
  margin-bottom: 1.25rem;
}

/* ---------- Productos ---------- */
.producto { position: relative; overflow: hidden; }
.producto .chip {
  position: absolute; top: 1.25rem; right: 1.25rem;
  font-size: .72rem; font-weight: 600; border-radius: 50rem; padding: .25rem .7rem;
  background: var(--tv-hielo); color: var(--tv-azul-600);
}
.producto ul { padding-left: 0; list-style: none; margin: 1rem 0 0; }
.producto li { padding: .25rem 0; color: var(--tv-gris); font-size: .95rem; }
.producto li i { color: var(--tv-azul-500); margin-right: .4rem; }

/* ---------- Paquetes ---------- */
.plan { border-radius: 1.5rem; border: 1px solid #e3ebf7; background: #fff; padding: 2.25rem; height: 100%; }
.plan .precio { font-size: 2.5rem; font-weight: 800; color: var(--tv-azul-800); font-family: "Montserrat", sans-serif; }
.plan .precio small { font-size: .95rem; font-weight: 500; color: var(--tv-gris); }
.plan ul { list-style: none; padding: 0; margin: 1.5rem 0 2rem; }
.plan li { padding: .4rem 0; border-bottom: 1px dashed #e3ebf7; }
.plan li i { color: var(--tv-azul-500); margin-right: .5rem; }
.plan-destacado {
  background: linear-gradient(160deg, var(--tv-azul-800), var(--tv-azul-600));
  color: #fff; border: 0; transform: scale(1.03);
  box-shadow: 0 30px 60px -25px rgba(10, 47, 107, .7);
}
.plan-destacado .precio, .plan-destacado .precio small { color: #fff; }
.plan-destacado li { border-color: rgba(255, 255, 255, .2); }
.plan-destacado li i { color: var(--tv-celeste); }
@media (max-width: 991.98px) { .plan-destacado { transform: none; } }

/* ---------- Proceso ---------- */
.paso { text-align: center; position: relative; }
.paso .num {
  width: 72px; height: 72px; margin: 0 auto 1rem; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; font-size: 1.4rem;
  color: var(--tv-azul-600); background: #fff; border: 3px solid var(--tv-azul-500);
  position: relative; z-index: 1;
}
@media (min-width: 992px) {
  .paso:not(:last-child)::after {
    content: ""; position: absolute; top: 36px; left: 60%; width: 80%;
    border-top: 3px dashed #b9cbe6;
  }
}

/* ---------- Portafolio ---------- */
.proyecto { border-radius: 1.25rem; overflow: hidden; background: #fff; box-shadow: 0 16px 40px -24px rgba(10, 47, 107, .45); height: 100%; }
.proyecto img { width: 100%; aspect-ratio: 400 / 260; object-fit: cover; transition: transform .4s; }
.proyecto:hover img { transform: scale(1.05); }
.proyecto .cuerpo { padding: 1.5rem; }

/* ---------- Tecnologías ---------- */
.tecnologia {
  display: flex; align-items: center; justify-content: center; gap: .6rem;
  background: #fff; border: 1px solid #e3ebf7; border-radius: 1rem;
  padding: 1rem; font-weight: 600; color: var(--tv-azul-800); height: 100%;
}
.tecnologia i { font-size: 1.5rem; color: var(--tv-azul-600); }

/* ---------- Testimonios ---------- */
.testimonio { background: #fff; border-radius: 1.25rem; padding: 2rem; height: 100%; box-shadow: 0 10px 30px -20px rgba(10, 47, 107, .4); }
.testimonio .estrellas { color: #ffb400; }
.avatar {
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; font-weight: 700; background: linear-gradient(135deg, var(--tv-azul-500), var(--tv-azul-800));
}

/* ---------- FAQ ---------- */
.accordion { --bs-accordion-active-bg: var(--tv-hielo); --bs-accordion-active-color: var(--tv-azul-800); --bs-accordion-btn-focus-box-shadow: 0 0 0 .25rem rgba(30, 115, 216, .2); }
.accordion-item { border-radius: 1rem !important; overflow: hidden; margin-bottom: .75rem; border: 1px solid #e3ebf7; }
.accordion-button { font-weight: 600; }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(135deg, var(--tv-azul-800), var(--tv-azul-500));
  border-radius: 2rem; color: #fff; padding: 3.5rem; position: relative; overflow: hidden;
}
.cta::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 260px; height: 260px;
  border-radius: 50%; background: rgba(255, 255, 255, .08);
}

/* ---------- Contacto ---------- */
.dato-contacto { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.5rem; }
.dato-contacto .icono { width: 48px; height: 48px; font-size: 1.2rem; margin: 0; flex-shrink: 0; border-radius: .8rem; }
.form-control, .form-select { border-radius: .75rem; padding: .75rem 1rem; border-color: #d6e2f3; }
.form-control:focus, .form-select:focus { border-color: var(--tv-azul-500); box-shadow: 0 0 0 .25rem rgba(30, 144, 255, .15); }
.mapa { display: block; border: 0; width: 100%; height: 280px; border-radius: 1.25rem; }

/* ---------- Footer ---------- */
.footer { background: var(--tv-azul-900); color: rgba(255, 255, 255, .7); padding: 72px 0 24px; }
.footer h6 { color: #fff; font-weight: 700; margin-bottom: 1rem; }
.footer a { color: rgba(255, 255, 255, .7); text-decoration: none; }
.footer a:hover { color: #fff; }
.footer ul { list-style: none; padding: 0; }
.footer li { padding: .25rem 0; }
.redes a {
  width: 40px; height: 40px; border-radius: 50%; display: inline-grid; place-items: center;
  background: rgba(255, 255, 255, .08); margin-right: .4rem; transition: background .2s;
}
.redes a:hover { background: var(--tv-azul-500); }

/* ---------- Botones flotantes ---------- */
.whatsapp {
  position: fixed; right: 22px; bottom: 22px; z-index: 1030;
  width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center;
  background: #25d366; color: #fff; font-size: 1.75rem; box-shadow: 0 10px 25px rgba(0, 0, 0, .25);
  transition: transform .2s;
}
.whatsapp:hover { color: #fff; transform: scale(1.08); }
.subir {
  position: fixed; right: 30px; bottom: 92px; z-index: 1030;
  width: 42px; height: 42px; border-radius: 50%; border: 0;
  background: var(--tv-azul-600); color: #fff; opacity: 0; pointer-events: none; transition: opacity .3s;
}
.subir.visible { opacity: 1; pointer-events: auto; }

/* ---------- Animación de aparición ---------- */
.revelar { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.revelar.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .revelar { opacity: 1; transform: none; transition: none; }
  .hero-img { animation: none; }
}