/* andreilrt.com — paleta "noche de Shanghái" */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --noche: #0A0F14;
  --panel: #121A2B;
  --borde: #1F2A40;
  --azul-hondo: #173871;
  --azul: #5691E9;
  --neon: #FF4D6D;
  --arena: #B4A895;
  --texto: #F2F4F6;
  --suave: #A9B0BC;
  --fuente: "Space Grotesk", system-ui, sans-serif;
  --ancho: 1120px;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--fuente);
  background: var(--noche);
  color: var(--texto);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--azul); color: var(--noche); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--azul); outline-offset: 3px; border-radius: 4px; }

/* ---------- Menú ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; gap: 28px;
  padding: 16px max(24px, calc((100vw - var(--ancho)) / 2));
  background: rgba(10, 15, 20, .78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--borde);
}
.nav-logo { font-weight: 700; font-size: 17px; letter-spacing: -.3px; }
.nav-logo span { color: var(--azul); }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-link { font-size: 14px; color: var(--suave); transition: color .2s; }
.nav-link:hover { color: var(--texto); }
.nav-lang {
  font-size: 12px; font-weight: 700; letter-spacing: 1px;
  padding: 5px 10px; border: 1px solid var(--borde); border-radius: 6px; color: var(--arena);
}
.nav-lang:hover { border-color: var(--arena); }
.nav-burger {
  display: none; margin-left: auto; width: 40px; height: 40px;
  background: none; border: 1px solid var(--borde); border-radius: 8px; cursor: pointer;
}
.nav-burger span { display: block; width: 18px; height: 2px; margin: 4px auto; background: var(--texto); }
.menu-movil {
  display: none; position: fixed; inset: 73px 0 auto 0; z-index: 49;
  flex-direction: column; padding: 12px 24px 20px;
  background: var(--noche); border-bottom: 1px solid var(--borde);
}
.menu-movil.abierto { display: flex; }
.menu-movil a { padding: 12px 0; font-size: 17px; border-bottom: 1px solid var(--borde); }
.menu-movil a:last-child { border: 0; color: var(--arena); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100svh;
  display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 48px;
  max-width: var(--ancho); margin: 0 auto; padding: 110px 24px 60px;
}
.hero::before {
  content: ""; position: absolute; z-index: -1; inset: -10% -30% 0 30%;
  background:
    radial-gradient(closest-side at 60% 45%, rgba(23, 56, 113, .55), transparent),
    radial-gradient(closest-side at 85% 75%, rgba(255, 77, 109, .12), transparent);
  pointer-events: none;
}
.hero-lugar {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--arena);
}
.hero-lugar::before { content: ""; width: 28px; height: 1px; background: var(--arena); }
.hero-nombre {
  margin: 18px 0 14px;
  font-size: clamp(54px, 9vw, 112px); line-height: .92; font-weight: 700; letter-spacing: -3px;
}
.hero-nombre span {
  display: block;
  background: linear-gradient(100deg, var(--azul) 10%, #9CC0F5 55%, var(--neon) 120%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-frase { max-width: 30em; font-size: 18px; color: var(--suave); }
.hero-frase strong { color: var(--texto); font-weight: 500; }
.hero-botones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px; border-radius: 10px; border: 1px solid transparent;
  font: 500 15px var(--fuente); cursor: pointer; transition: transform .2s, background .2s, border-color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-lleno { background: var(--azul); color: var(--noche); }
.btn-lleno:hover { background: #7AAAF0; }
.btn-linea { border-color: var(--borde); color: var(--texto); }
.btn-linea:hover { border-color: var(--azul); }

.hero-escena {
  position: relative; justify-self: end;
  width: min(100%, 440px); aspect-ratio: 4 / 5;
  border-radius: 28px; overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--borde);
  box-shadow: 0 40px 90px -30px rgba(86, 145, 233, .45), 0 0 0 1px rgba(255, 255, 255, .03) inset;
  touch-action: pan-y;
}
.hero-foto, .hero-cuadro {
  position: absolute; inset: 0; width: 100%; height: 100%;
}
.hero-foto { object-fit: cover; transform: scale(1.08); will-change: transform; }
.hero-cuadro { background-repeat: no-repeat; opacity: 0; transition: opacity .4s; }
.hero-escena.con-cuadros .hero-cuadro { opacity: 1; }
.hero-escena.con-cuadros .hero-foto { transform: none; }
.hero-brillo {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at var(--bx, 50%) var(--by, 40%), rgba(86, 145, 233, .28), transparent 45%);
  mix-blend-mode: screen;
}
.hero-pista {
  position: absolute; left: 14px; bottom: 14px;
  padding: 6px 12px; border-radius: 99px;
  font-size: 12px; color: var(--texto);
  background: rgba(10, 15, 20, .6); backdrop-filter: blur(8px); border: 1px solid rgba(255, 255, 255, .1);
}
.hero-pista .tactil { display: none; }
@media (hover: none) {
  .hero-pista .raton { display: none; }
  .hero-pista .tactil { display: inline; }
}

/* ---------- Secciones ---------- */
.seccion { max-width: var(--ancho); margin: 0 auto; padding: 96px 24px; }
.etiqueta {
  font-size: 12px; letter-spacing: 3px; text-transform: uppercase; color: var(--arena);
}
.titulo {
  margin: 10px 0 18px;
  font-size: clamp(32px, 5vw, 52px); line-height: 1.05; font-weight: 700; letter-spacing: -1.5px;
}
.titulo span { color: var(--azul); }
.texto { max-width: 38em; color: var(--suave); font-size: 17px; }

.rev { opacity: 0; transform: translateY(22px); transition: opacity .7s, transform .7s; }
.rev.on { opacity: 1; transform: none; }

/* ---------- Ahora ---------- */
.ahora { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
.tarjeta {
  position: relative; padding: 26px; border-radius: 18px;
  background: linear-gradient(160deg, var(--panel), rgba(18, 26, 43, .4));
  border: 1px solid var(--borde);
  transition: border-color .25s, transform .25s;
}
.tarjeta:hover { border-color: var(--azul-hondo); transform: translateY(-3px); }
.tarjeta-sobre { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--arena); }
.tarjeta h3 { margin: 10px 0 6px; font-size: 21px; line-height: 1.2; letter-spacing: -.4px; }
.tarjeta p { color: var(--suave); font-size: 15px; }
.tarjeta .enlace { display: inline-block; margin-top: 14px; color: var(--azul); font-size: 14px; font-weight: 500; }
.tarjeta .enlace:hover { text-decoration: underline; }
.vivo { display: inline-flex; align-items: center; gap: 8px; }
.vivo::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--neon);
  box-shadow: 0 0 0 0 rgba(255, 77, 109, .6); animation: latido 2s infinite;
}
@keyframes latido {
  70% { box-shadow: 0 0 0 10px rgba(255, 77, 109, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 77, 109, 0); }
}

/* ---------- Trayectoria: la fibra ---------- */
.fibra { position: relative; margin-top: 56px; --avance: 0; }
.fibra-linea, .fibra-luz {
  position: absolute; left: 50%; top: 0; width: 2px; margin-left: -1px; border-radius: 2px;
}
.fibra-linea { bottom: 0; background: var(--borde); }
.fibra-luz {
  height: calc(var(--avance) * 100%);
  background: linear-gradient(to bottom, transparent, var(--azul-hondo) 12%, var(--azul));
  box-shadow: 0 0 14px rgba(86, 145, 233, .7);
}
.fibra-luz::after {
  content: ""; position: absolute; left: 50%; bottom: -7px;
  width: 14px; height: 14px; margin-left: -7px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(86, 145, 233, .35), 0 0 26px 8px rgba(86, 145, 233, .8), 0 0 60px 14px rgba(255, 77, 109, .25);
}
.paradas { list-style: none; }
.parada {
  position: relative; width: 50%; padding: 0 44px 56px 0; text-align: right;
}
.parada:nth-child(odd) { margin-left: 50%; padding: 0 0 56px 44px; text-align: left; }
.parada:last-child { padding-bottom: 8px; }
.parada-nodo {
  position: absolute; top: 14px; right: -7px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--noche); border: 2px solid var(--borde);
  transition: border-color .4s, background .4s, box-shadow .4s, transform .4s;
}
.parada:nth-child(odd) .parada-nodo { right: auto; left: -7px; }
.parada-cuerpo {
  opacity: .0; transform: translateX(-28px);
  transition: opacity .6s, transform .6s cubic-bezier(.2, .8, .2, 1);
}
.parada:nth-child(odd) .parada-cuerpo { transform: translateX(28px); }
.fibra .parada.on .parada-cuerpo { opacity: 1; transform: none; }
.parada.on .parada-nodo {
  border-color: var(--azul); background: var(--azul); transform: scale(1.15);
  box-shadow: 0 0 0 5px rgba(86, 145, 233, .18), 0 0 18px rgba(86, 145, 233, .8);
}
.parada.actual.on .parada-nodo {
  border-color: var(--neon); background: var(--neon);
  animation: latido 2s infinite;
}
.parada-ano {
  font-size: clamp(40px, 6vw, 64px); line-height: 1; font-weight: 700; letter-spacing: -2px;
  color: transparent; -webkit-text-stroke: 1px var(--arena);
  transition: color .6s;
}
.parada.on .parada-ano { color: var(--arena); }
.parada-cargo { margin-top: 8px; font-size: 20px; font-weight: 700; letter-spacing: -.3px; }
.parada-lugar { color: var(--azul); font-size: 15px; }
.parada-fechas { color: var(--suave); font-size: 13px; letter-spacing: .5px; }
.parada-nota { margin-top: 6px; color: var(--suave); font-size: 15px; }
.parada-ahora {
  display: inline-block; margin-bottom: 6px; padding: 3px 10px; border-radius: 99px;
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--noche); background: var(--neon);
}

/* ---------- Lo que construyo ---------- */
.construyo { display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; margin-top: 36px; }
.tarjeta-grande { padding: 34px; overflow: hidden; }
.tarjeta-grande::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(86, 145, 233, .35), transparent);
  pointer-events: none;
}
.tarjeta-grande h3 { font-size: 34px; letter-spacing: -1px; }
.certs { list-style: none; margin-top: 14px; }
.certs li {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 9px 0; border-bottom: 1px solid var(--borde); font-size: 14.5px;
}
.certs li:last-child { border: 0; }
.certs small { color: var(--suave); white-space: nowrap; font-size: 12.5px; }

/* ---------- Por el mundo ---------- */
.mundo { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
.postal {
  position: relative; aspect-ratio: 9 / 14; border-radius: 18px; overflow: hidden;
  border: 1px solid var(--borde);
}
.postal img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2, .8, .2, 1); }
.postal:hover img { transform: scale(1.06); }
.postal figcaption {
  position: absolute; inset: auto 0 0 0; padding: 48px 18px 16px;
  background: linear-gradient(transparent, rgba(10, 15, 20, .9));
  font-size: 15px; font-weight: 500;
}
.postal figcaption small { display: block; color: var(--arena); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; }
.postal:nth-child(2) { margin-top: 40px; }

/* ---------- Contacto ---------- */
.contacto { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.redes { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.red {
  padding: 10px 16px; border-radius: 99px; border: 1px solid var(--borde);
  font-size: 14px; transition: border-color .2s, color .2s;
}
.red:hover { border-color: var(--azul); color: var(--azul); }
.form { display: grid; gap: 14px; padding: 28px; border-radius: 18px; background: var(--panel); border: 1px solid var(--borde); }
.form label { display: grid; gap: 6px; font-size: 13px; color: var(--suave); }
.form input, .form textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  background: var(--noche); border: 1px solid var(--borde); color: var(--texto);
  font: 400 16px var(--fuente);
}
.form textarea { min-height: 130px; resize: vertical; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--azul); }
.form .trampa { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-aviso { display: none; font-size: 14px; color: var(--neon); }
.form-aviso.ver { display: block; }
.form-nota { font-size: 12px; color: var(--suave); }

/* ---------- Pie ---------- */
.pie {
  max-width: var(--ancho); margin: 0 auto; padding: 28px 24px 40px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px;
  border-top: 1px solid var(--borde); font-size: 13px; color: var(--suave);
}

/* ---------- Página de gracias ---------- */
.gracias {
  min-height: 100vh; display: grid; place-content: center; justify-items: center;
  gap: 16px; padding: 48px 24px; text-align: center;
}
.gracias .titulo { margin: 0; }

/* ---------- Pantallas pequeñas ---------- */
@media (max-width: 860px) {
  .nav-links, .nav-lang { display: none; }
  .nav-burger { display: block; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 100px; text-align: left; }
  .hero-escena { justify-self: center; width: min(100%, 380px); }
  .ahora, .construyo, .mundo, .contacto { grid-template-columns: 1fr; }
  .mundo { grid-template-columns: repeat(3, 78%); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; }
  .postal { scroll-snap-align: start; }
  .postal:nth-child(2) { margin-top: 0; }
  .seccion { padding: 72px 20px; }
  .fibra-linea, .fibra-luz { left: 7px; }
  .parada, .parada:nth-child(odd) { width: 100%; margin-left: 0; padding: 0 0 48px 36px; text-align: left; }
  .parada-nodo, .parada:nth-child(odd) .parada-nodo { left: 0; right: auto; }
  .parada-cuerpo, .parada:nth-child(odd) .parada-cuerpo { transform: translateX(24px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rev, .parada-cuerpo { opacity: 1 !important; transform: none !important; }
  .hero-foto { transform: none; }
}