/* =========================================================
   Tuxteno — estilos sobre Bootstrap 5
   Paleta tomada de los logos de Tuxteno, CallTux y MailingTux
   ========================================================= */
:root {
  --tx-red: #E31E24;
  --tx-red-dark: #B5161B;
  --tx-graphite: #2B2B2A;
  --tx-steel: #5F6264;
  --tx-mist: #F3F4F5;
  --tx-white: #FFFFFF;

  --tx-font-display: "Exo 2", "Segoe UI", Arial, sans-serif;
  --tx-font-body: "Nunito Sans", "Segoe UI", Arial, sans-serif;

  --bs-body-font-family: var(--tx-font-body);
  --bs-body-color: var(--tx-graphite);
  --bs-link-color-rgb: 227, 30, 36;
  --bs-link-hover-color-rgb: 181, 22, 27;
}

html { scroll-padding-top: 84px; }
body { font-size: 1.0625rem; line-height: 1.6; background: var(--tx-white); }

:focus-visible { outline: 3px solid var(--tx-red); outline-offset: 3px; }

/* ---------- Tipografía ---------- */
.tx-display {
  font-family: var(--tx-font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5.2vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 14ch;
  margin-bottom: 1.5rem;
}
.tx-h2 {
  font-family: var(--tx-font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}
.tx-h3 {
  font-family: var(--tx-font-display);
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: .6rem;
}
.tx-h3 .bi { color: var(--tx-red); margin-right: .35rem; }
.tx-lead { font-size: 1.25rem; color: var(--tx-steel); max-width: 52ch; }
.tx-body { max-width: 60ch; color: var(--tx-steel); }

/* ---------- Botones ---------- */
.btn-tx, .btn-tx-outline {
  font-family: var(--tx-font-display);
  font-weight: 600;
  border-radius: 999px;
  padding: .6rem 1.4rem;
  border: 2px solid var(--tx-red);
}
.btn-tx { background: var(--tx-red); color: var(--tx-white); }
.btn-tx:hover, .btn-tx:focus-visible { background: var(--tx-red-dark); border-color: var(--tx-red-dark); color: var(--tx-white); }
.btn-tx-outline { background: transparent; color: var(--tx-graphite); border-color: var(--tx-graphite); }
.btn-tx-outline:hover, .btn-tx-outline:focus-visible { background: var(--tx-graphite); color: var(--tx-white); }
.btn-lg.btn-tx, .btn-lg.btn-tx-outline { padding: .8rem 1.8rem; }

/* ---------- Navegación ---------- */
.tx-nav { background: rgba(255,255,255,.96); backdrop-filter: blur(6px); transition: box-shadow .2s; }
.tx-nav.is-scrolled { box-shadow: 0 1px 0 rgba(43,43,42,.12); }
.tx-nav .nav-link { font-family: var(--tx-font-display); font-weight: 600; color: var(--tx-graphite); }
.tx-nav .nav-link:hover, .tx-nav .nav-link.active { color: var(--tx-red); }
@media (max-width: 991.98px) {
  .tx-nav .navbar-collapse { padding: 1rem 0; }
  .tx-nav .btn-tx { margin-top: .5rem; }
}

/* ---------- Hero ---------- */
.tx-hero { padding: 9rem 0 5rem; overflow: hidden; }
.tx-rings { width: 100%; max-width: 420px; display: block; margin-left: auto; }
.tx-rings .ring { transform-origin: 200px 200px; }
.tx-rings-label { font-family: var(--tx-font-display); font-weight: 800; font-size: 44px; fill: var(--tx-white); }
.tx-rings-caption { text-align: center; max-width: 420px; margin: .75rem 0 0 auto; color: var(--tx-steel); font-weight: 600; }

/* Único momento animado: los anillos se acomodan al cargar */
@media (prefers-reduced-motion: no-preference) {
  .tx-rings .r1 { animation: tx-settle 1.4s cubic-bezier(.2,.8,.2,1) both; }
  .tx-rings .r2 { animation: tx-settle-rev 1.4s cubic-bezier(.2,.8,.2,1) .1s both; }
  .tx-rings .r3 { animation: tx-settle 1.4s cubic-bezier(.2,.8,.2,1) .2s both; }
}
@keyframes tx-settle     { from { transform: rotate(-90deg); opacity: 0; } to { transform: rotate(0); opacity: 1; } }
@keyframes tx-settle-rev { from { transform: rotate(90deg);  opacity: 0; } to { transform: rotate(0); opacity: 1; } }

/* ---------- Índice de servicios ---------- */
.tx-index { border-top: 1px solid #E2E4E6; border-bottom: 1px solid #E2E4E6; }
.tx-index-item {
  display: flex; flex-direction: column; gap: .5rem;
  padding: 1.5rem 1.25rem;
  text-decoration: none; color: var(--tx-graphite);
  font-family: var(--tx-font-display); font-weight: 600; line-height: 1.25;
  border-right: 1px solid #E2E4E6;
  transition: background .15s, color .15s;
}
.tx-index-item .bi { font-size: 1.6rem; color: var(--tx-red); }
.tx-index-item:hover { background: var(--tx-red); color: var(--tx-white); }
.tx-index-item:hover .bi { color: var(--tx-white); }
@media (min-width: 1200px) { .tx-index-item:last-child { border-right: 0; } }
@media (max-width: 1199.98px) { .tx-index-item { border-bottom: 1px solid #E2E4E6; } }

/* ---------- Secciones ---------- */
.tx-section { padding: 6rem 0; }
.tx-mist { background: var(--tx-mist); }
.tx-dark { background: var(--tx-graphite); color: var(--tx-white); }
.tx-dark .tx-body, .tx-dark p { color: #C9CBCC; }
.tx-dark .tx-h2, .tx-dark .tx-h3 { color: var(--tx-white); }

/* Panel de logo de producto (los PNG tienen fondo blanco) */
.tx-logo-panel {
  background: var(--tx-white);
  border-radius: 24px;
  padding: 2.5rem 2rem;
  box-shadow: 0 0 0 1px #E2E4E6;
}
.tx-logo-panel--line { box-shadow: none; border-left: 6px solid var(--tx-red); border-radius: 0 24px 24px 0; background: var(--tx-mist); }
.tx-logo-panel--line img { mix-blend-mode: multiply; }

/* Listas con viñeta roja */
.tx-list { list-style: none; padding: 0; margin: 0; }
.tx-list li { position: relative; padding-left: 1.4rem; margin-bottom: .45rem; }
.tx-list li::before {
  content: ""; position: absolute; left: 0; top: .6em;
  width: .55rem; height: .55rem; border: 2px solid var(--tx-red); border-radius: 50%;
}

/* Nube: columnas separadas por líneas */
.tx-columns > div { padding-top: 1.5rem; padding-bottom: 1.5rem; border-top: 2px solid rgba(255,255,255,.15); }
@media (min-width: 768px) {
  .tx-columns > div { border-top: 0; border-left: 2px solid rgba(255,255,255,.15); padding-left: 2rem; }
  .tx-columns > div:first-child { border-left-color: var(--tx-red); }
}
.tx-col-icon { font-size: 2rem; color: var(--tx-red); display: block; margin-bottom: 1rem; }

/* MailingTux: especificaciones */
.tx-specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.25rem 2rem; margin: 2rem 0; }
.tx-specs dt { font-family: var(--tx-font-display); font-weight: 600; }
.tx-specs dd { margin: 0; color: var(--tx-steel); }

/* Votaciones: pasos (es un proceso, por eso va numerado) */
.tx-steps { list-style: none; counter-reset: paso; padding: 0; margin: 0; }
.tx-steps li {
  counter-increment: paso;
  position: relative;
  padding: 0 0 2rem 4.5rem;
  border-left: 2px solid #D5D8DA;
  margin-left: 1.5rem;
}
.tx-steps li:last-child { border-left-color: transparent; padding-bottom: 0; }
.tx-steps li::before {
  content: counter(paso);
  position: absolute; left: -1.55rem; top: -.2rem;
  width: 3rem; height: 3rem; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--tx-white); border: 3px solid var(--tx-red);
  font-family: var(--tx-font-display); font-weight: 800; font-size: 1.2rem; color: var(--tx-red);
}
.tx-steps p { color: var(--tx-steel); margin: 0; max-width: 55ch; }

/* Outsourcing + consultoría */
.tx-split-item { padding: 2rem 0; }
.tx-split-icon { font-size: 2.25rem; color: var(--tx-red); display: block; margin-bottom: 1rem; }
@media (min-width: 992px) {
  .tx-split-item { padding: 0 3rem 0 0; }
  .tx-split-item + .tx-split-item { padding: 0 0 0 3rem; border-left: 2px solid #E2E4E6; }
}
@media (max-width: 991.98px) {
  .tx-split-item + .tx-split-item { border-top: 2px solid #E2E4E6; padding-top: 3rem; }
}

/* ---------- Contacto ---------- */
.tx-contact { list-style: none; padding: 0; margin: 2rem 0 0; }
.tx-contact li { display: flex; align-items: center; gap: .8rem; margin-bottom: 1rem; font-size: 1.1rem; }
.tx-contact .bi { color: var(--tx-red); font-size: 1.3rem; }
.tx-contact a { color: var(--tx-white); text-decoration: none; }
.tx-contact a:hover { color: var(--tx-red); }
.tx-form .form-label, .tx-form .form-check-label { color: #E6E7E8; font-weight: 600; }
.tx-form .form-check-label { font-weight: 400; font-size: .95rem; }
.tx-form .form-control, .tx-form .form-select {
  background: #3A3A39; border: 1px solid #555; color: var(--tx-white); border-radius: 10px; padding: .7rem .9rem;
}
.tx-form .form-select { --bs-form-select-bg-img: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e"); }
.tx-form .form-select option { color: var(--tx-graphite); }
.tx-form .form-control:focus, .tx-form .form-select:focus { border-color: var(--tx-red); box-shadow: 0 0 0 .2rem rgba(227,30,36,.35); background: #3A3A39; color: var(--tx-white); }
.tx-form .form-check-input:checked { background-color: var(--tx-red); border-color: var(--tx-red); }

/* ---------- Pie ---------- */
.tx-footer { padding: 2rem 0; border-top: 1px solid #E2E4E6; color: var(--tx-steel); font-size: .95rem; }

/* ---------- WhatsApp flotante ---------- */
.tx-wa {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 1030;
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center;
  background: #25D366; color: var(--tx-white); font-size: 1.8rem;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
}
.tx-wa:hover { color: var(--tx-white); transform: scale(1.05); }

@media (max-width: 575.98px) {
  .tx-hero { padding: 7.5rem 0 3.5rem; }
  .tx-section { padding: 4rem 0; }
  .tx-steps li { padding-left: 3rem; }
}