:root {
  --bg: #0a0c11;
  --bg-elev: #12151d;
  --bg-card: #161a24;
  --borde: #262c3a;
  --texto: #eef0f4;
  --texto-sec: #9aa3b5;
  --acento: #f5a623;
  --acento-suave: #f5a62322;
  --mono: "JetBrains Mono", "Consolas", monospace;
  --sans: "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
  --radio: 14px;
  --ancho: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--texto);
  line-height: 1.55;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }

.fondo-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 900px 500px at 15% -5%, var(--acento-suave), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 20%, #2d6cdf1a, transparent 55%),
    var(--bg);
  background-attachment: fixed;
}

a { color: inherit; }

.kicker {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acento);
  font-weight: 700;
  margin: 0 0 10px;
}

h1, h2, h3 { font-weight: 800; letter-spacing: -0.02em; margin: 0; }

/* ---------- topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 64px);
  background: rgba(10, 12, 17, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--borde);
}
.marca { font-weight: 700; text-decoration: none; font-size: 0.98rem; }
.marca span { color: var(--texto-sec); font-weight: 500; }
.topnav { display: flex; gap: 28px; }
.topnav a {
  text-decoration: none;
  color: var(--texto-sec);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color .2s;
}
.topnav a:hover { color: var(--texto); }

/* ---------- layout genérico ---------- */
main { max-width: var(--ancho); margin: 0 auto; padding: 0 clamp(20px, 5vw, 64px); }
.seccion { padding: 90px 0 40px; }
.seccion h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 10px; }
.seccion-desc { color: var(--texto-sec); max-width: 620px; margin: 0 0 40px; font-size: 1.02rem; }

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 56px;
  align-items: center;
  padding: 96px clamp(20px, 5vw, 64px) 70px;
  max-width: var(--ancho);
  margin: 0 auto;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.12;
  margin-bottom: 22px;
}
.hero-desc { color: var(--texto-sec); font-size: 1.08rem; max-width: 560px; margin-bottom: 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-foto {
  border-radius: 999px;
  overflow: hidden;
  aspect-ratio: 1;
  border: 1px solid var(--borde);
  box-shadow: 0 0 0 10px var(--bg-elev), 0 30px 80px -30px #000a;
  justify-self: center;
  width: min(320px, 100%);
}
.hero-foto img { width: 100%; height: 100%; object-fit: cover; }

.boton {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.96rem;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.boton-primario {
  background: var(--acento);
  color: #1a1206;
  box-shadow: 0 8px 30px -8px #f5a62366;
}
.boton-primario:hover { transform: translateY(-2px); box-shadow: 0 12px 36px -6px #f5a62388; }
.boton-secundario {
  background: transparent;
  color: var(--texto);
  border: 1px solid var(--borde);
}
.boton-secundario:hover { border-color: var(--acento); color: var(--acento); transform: translateY(-2px); }

/* ---------- video ---------- */
.video-seccion {
  display: grid;
  grid-template-columns: 1fr 0.62fr;
  gap: 56px;
  align-items: center;
  padding: 40px 0 90px;
}
.video-seccion h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: 16px; }
.video-seccion p { color: var(--texto-sec); margin-bottom: 26px; max-width: 480px; }
.video-marco {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--borde);
  background: var(--bg-card);
  box-shadow: 0 40px 90px -40px #000c;
  max-width: 300px;
  margin: 0 auto;
}
.video-marco video { aspect-ratio: 9/16; object-fit: cover; width: 100%; }

/* ---------- tarjetas ---------- */
.grid-tarjetas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}
.tarjeta {
  background: var(--bg-card);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 24px;
  transition: transform .2s ease, border-color .2s ease;
}
.tarjeta:hover { transform: translateY(-3px); border-color: #3a4256; }
.tarjeta h3 { font-size: 1.1rem; margin-bottom: 8px; }
.tarjeta p { color: var(--texto-sec); font-size: 0.93rem; margin: 0 0 14px; }
.tarjeta-nicho { font-family: var(--mono); font-size: 0.78rem !important; color: var(--texto-sec); }
.tarjeta-link {
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--acento);
  text-decoration: none;
  font-weight: 600;
}
.tarjeta-link:hover { text-decoration: underline; }

.tarjeta-etiqueta {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--acento);
  color: #1a1206;
  margin-bottom: 14px;
}
.tarjeta-etiqueta-demo { background: #262c3a; color: var(--texto-sec); }

.tarjeta-destacada {
  margin-bottom: 22px;
  padding: 30px;
  background: linear-gradient(155deg, #1a1f2b, var(--bg-card));
  border-color: #3a4256;
}
.tarjeta-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.tarjeta-destacada h3 { font-size: 1.4rem; }
.tarjeta-destacada p { color: var(--texto-sec); font-size: 0.98rem; max-width: 720px; }

.nota-demos { color: var(--texto-sec); font-size: 0.85rem; margin-top: 18px; font-style: italic; }

/* ---------- cv ---------- */
.grid-cv { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.tarjeta-cv {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 26px;
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease;
}
.tarjeta-cv:hover { transform: translateY(-3px); border-color: var(--acento); }
.tarjeta-cv-tipo {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--acento);
  font-weight: 700;
  letter-spacing: 0.08em;
}
.tarjeta-cv h3 { margin: 10px 0 6px; font-size: 1.1rem; }
.tarjeta-cv p { color: var(--texto-sec); font-size: 0.88rem; margin: 0; }

/* ---------- contacto ---------- */
.contacto {
  text-align: center;
  padding: 100px clamp(20px, 5vw, 64px) 70px;
  border-top: 1px solid var(--borde);
  margin-top: 60px;
}
.contacto h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 26px; }
.contacto-datos { display: flex; gap: 28px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px; }
.contacto-datos a {
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--texto-sec);
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.contacto-datos a:hover { color: var(--acento); border-color: var(--acento); }
.footer-nota { color: #626b80; font-size: 0.82rem; font-family: var(--mono); }

/* ---------- reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  filter: blur(6px);
  transition: opacity .7s ease, transform .7s ease, filter .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); filter: blur(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; filter: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; text-align: left; padding-top: 60px; }
  .hero-foto { justify-self: start; width: 160px; order: -1; margin-bottom: 8px; }
  .video-seccion { grid-template-columns: 1fr; }
  .video-marco { max-width: 260px; }
  .topnav { display: none; }
}