/* =====================================================================
   MOLCORP · Studio (presentación de la herramienta)
   ===================================================================== */

/* ---------- portada ---------- */
.st-hero {
  position: relative; isolation: isolate; overflow: clip;
  padding-top: calc(var(--nav-h) + clamp(48px, 9vh, 110px));
  background:
    radial-gradient(55% 45% at 50% 80%, rgba(29, 106, 255, .22), transparent 72%),
    linear-gradient(180deg, var(--fondo), var(--sup) 70%, var(--fondo));
}
.st-hero-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.st-hero-bg .dots {
  position: absolute; inset: 0;
  -webkit-mask-image: radial-gradient(60% 50% at 50% 30%, #000, transparent 80%);
  mask-image: radial-gradient(60% 50% at 50% 30%, #000, transparent 80%);
}
.st-hero-inner { display: grid; justify-items: center; text-align: center; gap: 22px; }
.st-title { font-size: clamp(2.8rem, 1.3rem + 5.6vw, 6.6rem); }
.st-lead { max-width: 46ch; }
.st-cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 6px; }
.st-req { margin-top: 2px; }

.st-shot-wrap { margin-top: clamp(48px, 7vw, 88px); perspective: 1600px; }
.st-shot {
  position: relative; margin: 0 auto; max-width: 1280px;
  border-radius: 18px; overflow: hidden;
  border: 1px solid var(--linea-2);
  box-shadow: 0 -10px 120px -30px rgba(29, 106, 255, .5), 0 40px 90px -50px rgba(16, 56, 140, .5);
  transform-origin: 50% 0;
  background: #fff;
}
.st-shot img { width: 100%; height: auto; }
.st-shot::after {         /* se funde con la siguiente sección */
  content: ''; position: absolute; inset: auto 0 0 0; height: 30%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), var(--fondo));
  pointer-events: none;
}
/* la pantalla se endereza al bajar (solo donde el navegador lo soporta) */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .st-shot { animation: endereza linear both; animation-timeline: view(); animation-range: entry 0% cover 45%; }
  }
}
@keyframes endereza {
  from { transform: rotateX(16deg) scale(.94); opacity: .5; }
  to { transform: none; opacity: 1; }
}

/* ---------- pasos ---------- */
.st-steps {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 48px);
  margin-top: clamp(44px, 6vw, 72px);
}
.st-steps li { display: grid; align-content: start; gap: 10px; }
.st-n { font-size: 12px; color: var(--azul); margin-top: 6px; }
.st-steps p { color: var(--gris-1); max-width: 38ch; }
.st-visual {
  position: relative; overflow: hidden;
  height: 200px; margin-bottom: 14px;
  border-radius: 16px; border: 1px solid var(--linea-2);
  background-color: #f3f5f8;
  background-image: radial-gradient(circle at 1px 1px, #d6dde8 1px, transparent 1.4px);
  background-size: 18px 18px;
  box-shadow: 0 30px 70px -50px rgba(29, 106, 255, .6);
}
/* bloques */
.st-v-blocks { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 3px; padding: 0 24px; }
.sb-mini {
  padding: 7px 12px; border-radius: 6px; color: #fff; font-size: 12.5px; font-weight: 500; white-space: nowrap;
  box-shadow: 0 2px 0 rgba(0, 0, 0, .18);
}
.sb-mini em { font-style: normal; padding: 1px 7px; margin-left: 2px; border-radius: 999px; background: rgba(255, 255, 255, .95); color: #10161f; font-size: 11.5px; }
.sb-mini.hat { background: #1b2130; border-radius: 12px 12px 6px 6px; }
.sb-mini.eye { background: #2f7bff; margin-left: 10px; }
.sb-mini.wait { background: #f2891d; margin-left: 10px; }
.sb-mini.anim { background: #8b5cf6; margin-left: 10px; }
/* simulador (la pantalla del banco de pruebas es oscura también en Studio) */
.st-v-sim { display: flex; align-items: center; justify-content: center; gap: 18px; background: #0a0f17; background-image: linear-gradient(#111a26 1px, transparent 1px), linear-gradient(90deg, #111a26 1px, transparent 1px); background-size: 22px 22px; }
.st-v-sim .eye {
  position: relative; width: 74px; height: 74px; border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #fff, #c9d3e3 70%);
  box-shadow: 0 0 0 4px #1b2433, 0 0 0 5px rgba(170, 195, 255, .35);
}
.st-v-sim .eye i {
  position: absolute; left: 50%; top: 50%; width: 30px; height: 30px; margin: -15px 0 0 -15px; border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #02040a 0 34%, var(--azul) 36% 100%);
}
@media (prefers-reduced-motion: no-preference) {
  .st-v-sim .eye i { animation: mira 4.2s var(--ease-io) infinite; }
}
@keyframes mira {
  0%, 12% { transform: translate(-14px, 0); }
  30%, 46% { transform: translate(14px, 0); }
  62%, 78% { transform: translate(0, -11px); }
  92%, 100% { transform: translate(-14px, 0); }
}
.st-v-chip {
  position: absolute; left: 14px; top: 12px;
  font-family: var(--mono); font-size: 11px; color: #dfe7f3;
  padding: 3px 9px; border-radius: 999px; border: 1px solid rgba(121, 164, 255, .4); background: rgba(4, 6, 11, .5);
}
/* subir */
.st-v-upload { display: grid; align-content: center; justify-items: center; gap: 14px; padding: 0 30px; }
.st-v-btn { padding: 9px 18px; border-radius: 999px; background: #2563ff; color: #fff; font-weight: 500; font-size: 13px; box-shadow: 0 10px 24px -10px var(--luz-fuerte); }
.st-v-bar { width: 72%; height: 4px; border-radius: 4px; background: #dde3eb; overflow: hidden; }
.st-v-bar i { display: block; width: 100%; height: 100%; background: linear-gradient(90deg, var(--azul), var(--azul-claro)); transform-origin: left; }
@media (prefers-reduced-motion: no-preference) {
  .st-v-bar i { animation: carga 3.6s var(--ease-io) infinite; }
}
@keyframes carga { 0% { transform: scaleX(0); } 60%, 100% { transform: scaleX(1); } }
.st-v-ok { font-size: 11px; color: var(--ok); }

/* ---------- características ---------- */
.st-features { border-top: 1px solid var(--linea); background: linear-gradient(180deg, var(--sup), var(--fondo) 70%); }
.st-feat {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 clamp(24px, 3vw, 48px);
  margin-top: clamp(40px, 5vw, 64px);
}
.st-feat li { padding: 26px 0 32px; border-top: 1px solid var(--linea-2); }
.st-feat h3 { font-size: var(--t-md); font-weight: 500; }
.st-feat p { margin-top: 6px; color: var(--gris-1); max-width: 36ch; }

/* ---------- kits y requisitos ---------- */
.st-kits { border-top: 1px solid var(--linea); }
.st-kits-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px clamp(40px, 6vw, 100px); }
.st-kit-list, .st-req-list { margin-top: 32px; border-top: 1px solid var(--linea-2); }
.st-kit-list li {
  display: grid; grid-template-columns: 96px minmax(0, 1fr) auto; align-items: center; gap: 18px;
  padding: 18px 0; border-bottom: 1px solid var(--linea);
}
.st-kit-list img { width: 96px; height: auto; }
.st-kit-ph {
  display: grid; place-items: center; width: 96px; height: 68px;
  border: 1px dashed var(--linea-3); border-radius: 12px;
  font-family: var(--mono); color: var(--gris-2);
}
.st-kit-list b { display: block; font-weight: 500; }
.st-kit-list span:not(.chip):not(.st-kit-ph) { font-size: var(--t-sm); color: var(--gris-2); }
.st-kit-list .chip { text-decoration: none; }
.st-req-list div {
  display: grid; grid-template-columns: minmax(8rem, 11rem) minmax(0, 1fr); gap: 16px;
  padding: 16px 0; border-bottom: 1px solid var(--linea);
}
.st-req-list dt { color: var(--gris-2); font-size: var(--t-sm); padding-top: 2px; }
.st-req-list dd { margin: 0; }

/* ---------- cierre ---------- */
.st-final {
  padding-block: clamp(100px, 12vw, 170px);
  border-top: 1px solid var(--linea);
  text-align: center;
  background:
    radial-gradient(55% 75% at 50% 100%, rgba(29, 106, 255, .22), transparent 72%),
    linear-gradient(180deg, var(--fondo), var(--sup-2));
}
.st-final-inner { display: grid; justify-items: center; gap: 28px; }
.st-final .h1 { max-width: 16ch; }

@media (max-width: 1000px) {
  .st-steps, .st-feat { grid-template-columns: minmax(0, 1fr); }
  .st-steps li { max-width: 560px; }
  .st-kits-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .st-cta .btn { flex: 1 1 100%; }
  .st-kit-list li { grid-template-columns: 72px minmax(0, 1fr); }
  .st-kit-list img, .st-kit-ph { width: 72px; }
  .st-kit-list .chip { grid-column: 2; justify-self: start; }
  .st-req-list div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .st-shot { border-radius: 12px; }
}