/* ===== NITRONET · hoja de estilos ===== */
@font-face {
  font-family: 'Army Rangers';
  src: url('../fonts/army-rangers-superexpand-ital.woff') format('woff');
  font-display: swap;
}
/* La marca se escribe SIEMPRE con esta clase y en minúsculas: <span class="ar">nitronet</span> */
.ar { font-family: 'Army Rangers', 'Segoe UI', sans-serif; font-weight: 400; font-style: normal; letter-spacing: .02em; text-transform: none; white-space: nowrap; }
.enlace-mapa { display: inline-flex; align-items: center; gap: .35em; text-decoration: none; }
.enlace-mapa svg { width: 1.4em; height: 1.4em; flex: none; }
.contacto .enlace-mapa svg { color: var(--amarillo); }
.texto-largo .ar { font-size: .92em; }
.enlace-mapa:hover { text-decoration: underline; text-underline-offset: 3px; }
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.9rem, 1.2rem + 2.4vw, 3.25rem);
  --text-hero: clamp(3.4rem, 0.6rem + 8.4vw, 8.5rem);

  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;

  --radio-m: .875rem; --radio-l: 1.5rem;
  --font-display: 'Cabinet Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'Segoe UI', system-ui, sans-serif;
  --ancho: 1160px;
  --trans: 200ms cubic-bezier(.2,.7,.2,1);

  --amarillo: #fff100; /* amarillo del cartel */
  --negro: #0b0b0a;
  --wa: #25d366;
  --wa-hover: #2ee374;

  --fondo: #f6f4ec;
  --fondo-2: #eeebdf;
  --superficie: #ffffff;
  --borde: #dcd8c8;
  --texto: #171612;
  --texto-suave: #5f5c50;
  --acento-texto: #8a6d00;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #111110; --fondo-2: #181816; --superficie: #1d1d1a; --borde: #33332e;
    --texto: #f2f0e8; --texto-suave: #a9a698; --acento-texto: #fff100;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--fondo); color: var(--texto);
  font-family: var(--font-body); font-size: var(--text-base); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.02; margin: 0; letter-spacing: -0.02em; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--amarillo); outline-offset: 3px; border-radius: 6px; }

.contenedor { width: min(100% - 2 * var(--space-5), var(--ancho)); margin-inline: auto; }
.etiqueta { font-size: var(--text-xs); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--acento-texto); margin-bottom: var(--space-4); }
.titulo { font-size: var(--text-xl); font-weight: 800; }
.subtitulo { font-size: var(--text-lg); font-weight: 700; margin: var(--space-12) 0 var(--space-5); color: var(--texto-suave); }
.texto-suave { color: var(--texto-suave); }
.separado { margin-top: var(--space-5); }
.separado-g { margin-top: var(--space-8); }
.ancho-texto { max-width: 52ch; }
.nota { margin-top: var(--space-6); font-size: var(--text-xs); color: var(--texto-suave); }

/* Botones */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-3);
  padding: 1rem 1.6rem; border-radius: 999px; border: 1.5px solid transparent;
  font-size: var(--text-sm); font-weight: 700; text-decoration: none; cursor: pointer;
  transition: transform var(--trans), background-color var(--trans), border-color var(--trans), box-shadow var(--trans);
}
.boton svg { width: 1.3rem; height: 1.3rem; flex: none; }
.boton:active { transform: scale(.98); }
.boton--wa { background: var(--wa); color: #06210f; box-shadow: 0 10px 30px -12px rgb(37 211 102 / .7); }
.boton--wa:hover { background: var(--wa-hover); transform: translateY(-2px); }
.boton--fantasma { border-color: rgb(255 255 255 / .28); color: #f2f0e8; }
.boton--fantasma:hover { border-color: #f2f0e8; }
.boton--grande { font-size: var(--text-lg); padding: 1.2rem 2.2rem; }
.boton--grande svg { width: 1.7rem; height: 1.7rem; }

/* ===== ENTRADA ===== */
.entrada {
  position: relative; min-height: 100svh; display: grid; grid-template-rows: auto 1fr auto;
  background: var(--negro); color: #f2f0e8; overflow: hidden; isolation: isolate;
}
#fibras { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; }
.entrada__velo {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 60% at 20% 55%, rgb(11 11 10 / .85), transparent 70%),
    linear-gradient(to bottom, rgb(11 11 10 / .2), transparent 30%, transparent 70%, rgb(11 11 10 / .9));
}
.barra {
  width: min(100% - 2 * var(--space-5), var(--ancho)); margin-inline: auto;
  display: flex; justify-content: space-between; align-items: center; padding-block: var(--space-6);
  opacity: 0; animation: subir .8s 1.6s cubic-bezier(.2,.7,.2,1) forwards;
}
.marca { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; }
.marca__logo { width: 2.2rem; height: 2.2rem; }
.marca__pulso { fill: var(--amarillo); animation: pulso 2.4s ease-in-out infinite; transform-origin: 28px 11px; }
.marca__texto { font-size: 1.6rem; line-height: 1; color: #f2f0e8; }
@keyframes pulso { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .5; transform: scale(.7); } }
.barra__wa {
  display: inline-flex; align-items: center; gap: var(--space-2); text-decoration: none;
  font-size: var(--text-sm); font-weight: 700; padding: .55rem 1rem; border-radius: 999px;
  border: 1.5px solid rgb(255 255 255 / .22); transition: border-color var(--trans);
}
.barra__wa:hover { border-color: var(--wa); }
.barra__wa svg { width: 1.15rem; height: 1.15rem; color: var(--wa); }

.entrada__contenido {
  width: min(100% - 2 * var(--space-5), var(--ancho)); margin-inline: auto;
  align-self: center; padding-block: var(--space-12);
}
.entrada__lugar {
  font-size: var(--text-xs); font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--amarillo);
  margin-bottom: var(--space-6); opacity: 0; animation: subir .8s .2s cubic-bezier(.2,.7,.2,1) forwards;
}
.entrada__titulo { font-size: var(--text-hero); font-weight: 800; letter-spacing: -0.045em; line-height: .92; }
.linea { display: block; padding-bottom: .06em; }
.linea > span { display: inline-block; transform: translateY(70%); clip-path: inset(0 0 100% 0); animation: revelar 1.1s cubic-bezier(.16,1,.3,1) forwards; }
.linea:nth-child(2) > span { animation-delay: .12s; }
.linea:nth-child(3) > span { animation-delay: .24s; }
.entrada__titulo em {
  font-style: normal; color: var(--amarillo);
  text-shadow: 0 0 40px rgb(255 241 0 / .5), 0 0 90px rgb(255 241 0 / .28);
}
@keyframes revelar { to { transform: none; clip-path: inset(-50% -30% -50% -30%); } }
@keyframes subir { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.entrada__bajada {
  margin-top: var(--space-8); max-width: 40ch; font-size: var(--text-lg); color: #c9c6b8; line-height: 1.45;
  opacity: 0; animation: subir .9s 1s cubic-bezier(.2,.7,.2,1) forwards;
}
.entrada__botones {
  display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-10);
  opacity: 0; animation: subir .9s 1.2s cubic-bezier(.2,.7,.2,1) forwards;
}
.entrada__bajar {
  justify-self: center; margin-bottom: var(--space-8); width: 1.6rem; height: 2.6rem;
  border: 2px solid rgb(255 255 255 / .35); border-radius: 999px; display: grid; justify-items: center; padding-top: .45rem;
  opacity: 0; animation: subir .8s 2s forwards;
}
.entrada__bajar span { width: 4px; height: 8px; border-radius: 4px; background: var(--amarillo); animation: rueda 1.8s infinite; }
@keyframes rueda { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { opacity: 0; } }

/* Aviso demo */
.aviso-demo { background: var(--amarillo); color: #141310; font-size: var(--text-xs); font-weight: 700; letter-spacing: .04em; text-align: center; padding: var(--space-3) var(--space-4); }
.aviso-demo a { text-underline-offset: 3px; }
.nw { white-space: nowrap; }

/* Secciones */
.seccion { padding-block: clamp(var(--space-16), 9vw, var(--space-24)); }
.seccion--alterna { background: var(--fondo-2); }
.dos-columnas { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-8), 6vw, var(--space-20)); align-items: start; }
.texto-largo { display: grid; gap: var(--space-4); font-size: var(--text-lg); line-height: 1.5; color: var(--texto-suave); }
.texto-largo p:first-child { color: var(--texto); }

.ventajas { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-8); margin-top: clamp(var(--space-12), 7vw, var(--space-20)); }
.ventaja { border-top: 2px solid var(--texto); padding-top: var(--space-5); display: grid; gap: var(--space-2); align-content: start; }
.ventaja__num { font-family: var(--font-display); font-weight: 800; color: var(--acento-texto); }
.ventaja h3 { font-size: var(--text-lg); font-weight: 700; }
.ventaja p { font-size: var(--text-sm); color: var(--texto-suave); }

/* Banda de foto */
.banda { position: relative; margin: 0; height: clamp(320px, 60vw, 640px); overflow: hidden; }
.banda img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; }
.banda::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgb(11 11 10 / .75), transparent 45%), linear-gradient(to left, rgb(11 11 10 / .45), transparent 45%); }
.banda figcaption {
  position: absolute; z-index: 1; left: 0; right: 0; bottom: clamp(var(--space-8), 5vw, var(--space-16));
  width: min(100% - 2 * var(--space-5), var(--ancho)); margin-inline: auto;
  font-family: var(--font-display); font-weight: 800; font-size: var(--text-xl); color: #f2f0e8; line-height: 1.02; text-align: right;
}
.banda figcaption span { display: inline-block; max-width: 16ch; }

/* Cómo contratar */
.contratar { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.contratar li { background: var(--superficie); border: 1px solid var(--borde); border-radius: var(--radio-l); padding: var(--space-6); display: grid; gap: var(--space-2); align-content: start; }
.contratar__num { font-family: var(--font-display); font-weight: 800; font-size: var(--text-xl); line-height: 1; color: var(--acento-texto); }
.contratar b { font-size: var(--text-base); }
.contratar p { font-size: var(--text-sm); color: var(--texto-suave); }


/* Soporte */
.pasos { list-style: none; counter-reset: paso; padding: 0; margin: var(--space-10) 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.pasos li {
  counter-increment: paso; position: relative; padding: var(--space-6) var(--space-6) var(--space-6) 4.5rem;
  background: var(--superficie); border: 1px solid var(--borde); border-radius: var(--radio-l); color: var(--texto-suave); font-size: var(--text-sm);
}
.pasos li::before {
  content: counter(paso); position: absolute; left: var(--space-6); top: var(--space-6);
  width: 2rem; height: 2rem; border-radius: 50%; display: grid; place-items: center;
  background: var(--amarillo); color: #141310; font-family: var(--font-display); font-weight: 800;
}
.pasos b { display: block; color: var(--texto); font-size: var(--text-base); margin-bottom: var(--space-1); }

/* Preguntas */
.acordeon { display: grid; gap: var(--space-3); }
details { background: var(--superficie); border: 1px solid var(--borde); border-radius: var(--radio-m); }
summary { list-style: none; cursor: pointer; padding: var(--space-5) var(--space-6); font-weight: 700; display: flex; justify-content: space-between; gap: var(--space-4); align-items: center; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-family: var(--font-display); font-size: 1.5rem; line-height: 1; color: var(--acento-texto); transition: transform var(--trans); }
details[open] summary::after { transform: rotate(45deg); }
details p { padding: 0 var(--space-6) var(--space-5); color: var(--texto-suave); font-size: var(--text-sm); }

/* Contacto */
.contacto { background: var(--negro); color: #f2f0e8; padding-block: clamp(var(--space-20), 11vw, 9rem); position: relative; overflow: hidden; }
.contacto::before {
  content: ""; position: absolute; inset: auto -20% -60% -20%; height: 120%;
  background: radial-gradient(ellipse at center, rgb(37 211 102 / .18), transparent 60%); pointer-events: none;
}
.contacto__caja { position: relative; text-align: center; display: grid; justify-items: center; }
.contacto__titulo { font-size: var(--text-xl); font-weight: 800; }
.contacto__bajada { margin: var(--space-4) 0 var(--space-10); color: #a9a698; font-size: var(--text-lg); }
.contacto__datos { margin: var(--space-12) 0 0; display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-6) var(--space-12); }
.contacto__datos dt { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .12em; color: #a9a698; font-weight: 700; }
.contacto__datos dd a { color: #f2f0e8; }
.contacto__datos dd { margin: var(--space-1) 0 0; font-size: var(--text-sm); line-height: 1.6; }

/* Pie */
.pie { background: var(--negro); color: #a9a698; border-top: 1px solid #262622; padding-block: var(--space-8); font-size: var(--text-xs); }
.pie .marca__texto { font-size: 1.2rem; }
.pie__fila { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); flex-wrap: wrap; }

/* WhatsApp flotante */
.wa-flotante {
  position: fixed; right: var(--space-5); bottom: var(--space-5); z-index: 100;
  width: 3.75rem; height: 3.75rem; border-radius: 50%; display: grid; place-items: center;
  background: var(--wa); color: #fff; box-shadow: 0 12px 30px -8px rgb(0 0 0 / .5);
  transform: scale(0); transition: transform 300ms cubic-bezier(.3,1.5,.5,1);
}
.wa-flotante.visible { transform: scale(1); }
.wa-flotante:hover { transform: scale(1.08); }
.wa-flotante svg { width: 2rem; height: 2rem; }

/* Responsive */
@media (max-width: 960px) {
  .contratar { grid-template-columns: repeat(2, 1fr); }
  .ventajas { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .banda { height: 480px; }
  .banda img { object-position: 22% 20%; }
  .banda figcaption { font-size: var(--text-lg); font-size: 1.6rem; }
  .dos-columnas { grid-template-columns: 1fr; }
  .pasos { grid-template-columns: 1fr; }
  .barra__wa span { display: none; }
  .entrada__velo { background: radial-gradient(ellipse 120% 70% at 30% 55%, rgb(11 11 10 / .8), transparent 75%), linear-gradient(to bottom, transparent 70%, rgb(11 11 10 / .9)); }
}
@media (max-width: 520px) {
  .contratar { grid-template-columns: 1fr; }
  .ventajas { grid-template-columns: 1fr; gap: var(--space-6); }
  .boton { width: 100%; }
  .entrada__botones { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-delay: 0ms !important; transition: none !important; scroll-behavior: auto !important; }
}