/* =====================================================================
   Clean Notes — páginas de producto: Aula, Campus y +Web
   Se carga después de web.css y solo en /aula, /campus y /web.
   Mismo criterio: el CSS describe el estado final; lo que se mueve
   (color de marca, cursor, punto de la conexión) es horizontal o en sitio.
   ===================================================================== */

/* =====================================================================
   TU MARCA — sección dentro de cada producto
   ===================================================================== */
.marca-sec { padding-bottom: clamp(72px, 10vh, 120px); }
.marca-sec + .sec { padding-top: clamp(40px, 6vh, 72px); }
.marca-head {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 28px clamp(40px, 6vw, 96px); align-items: end;
  margin-bottom: clamp(48px, 6vw, 72px);
}
.marca-head .h-display { max-width: 13ch; }
.marca-head .lead { max-width: 46ch; }
.marca-list { display: grid; gap: 12px; margin-top: 26px; }
.marca-list li { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 12px; font-size: 16px; line-height: 1.5; color: var(--ink); }
.marca-list li::before {
  content: ""; width: 22px; height: 22px; margin-top: 1px; border-radius: 50%;
  background: rgba(59, 127, 232, .12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.3 2.3 4.7-5' fill='none' stroke='%233B7FE8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat;
}

/* estudio: panel oscuro con los controles y la vista previa */
.marca-studio {
  position: relative; isolation: isolate; overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 330px) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 64px); align-items: center;
  padding: clamp(22px, 3.4vw, 48px);
  border-radius: 36px;
  color: var(--d-text);
  background:
    radial-gradient(70% 90% at 0% 0%, rgba(59, 127, 232, .2), transparent 60%),
    linear-gradient(165deg, #10223F, var(--midnight) 62%);
  box-shadow: 0 60px 120px -60px rgba(10, 22, 40, .7);
}
.marca-studio::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: linear-gradient(rgba(212, 232, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(212, 232, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(80% 80% at 70% 50%, #000, transparent);
  mask-image: radial-gradient(80% 80% at 70% 50%, #000, transparent);
  pointer-events: none;
}
.marca-controls .bl-core { padding: clamp(22px, 2.6vw, 30px); box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .6); }
.marca-try { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--electric); }
.marca-try::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(34, 201, 122, .16); }
.marca-try-t { margin-bottom: 22px; font-size: 19px; line-height: 1.25; letter-spacing: -.025em; font-weight: 640; color: var(--ink); }
.marca-controls .bl-swatches { margin-bottom: 20px; }
.marca-note { margin-top: 18px; font-size: 12.5px; color: var(--ink-3); text-align: right; }

/* vista previa: el halo toma el color elegido */
.marca-stage { position: relative; --brand: #3B7FE8; --hue: 0deg; }
.marca-stage::before {
  content: ""; position: absolute; left: 0; right: -20%; top: -30%; bottom: -30%; z-index: 0;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--brand) 50%, transparent), transparent);
  pointer-events: none;
}
.marca-stage > .cap { z-index: 1; }
.marca-stage .cap-frame { box-shadow: 0 0 0 1px rgba(255, 255, 255, .08), 0 50px 100px -40px rgba(0, 0, 0, .8); }
.marca-stage .cap--phone .cap-frame { box-shadow: 0 0 0 1px rgba(255, 255, 255, .1), 0 40px 80px -30px rgba(0, 0, 0, .85); }

/* Aula: recreación del panel con el color de la academia */
.marca-stage--aula { padding-bottom: 8%; }
.marca-desk { width: 88%; }
.marca-stage .app-logo { min-width: 0; }
.marca-stage .app-logo span { flex-shrink: 0; background: var(--brand); }
.marca-stage .app-logo b { min-width: 0; overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; line-height: 1.15; overflow-wrap: anywhere; }
.marca-stage .app-nav .on { color: var(--brand); background: color-mix(in srgb, var(--brand) 13%, #fff); }
.marca-stage .app-tabs .on, .marca-stage .app-btns .p { background: var(--brand); border-color: var(--brand); }
.marca-stage .app-ava { color: var(--brand); background: color-mix(in srgb, var(--brand) 13%, #fff); }
.marca-stage .app-bar i { background: var(--brand); }
.marca-stage .app .ok { color: var(--brand); }
.marca-stage .app-notice { margin-top: calc(14 * var(--u)); }
.marca-stage .app-notice b { color: var(--brand); background: color-mix(in srgb, var(--brand) 13%, #fff); }
.marca-stage .app-notice span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.marca-stage .app-logo span, .marca-stage .app-nav .on, .marca-stage .app-tabs .on, .marca-stage .app-btns .p,
.marca-stage .app-ava, .marca-stage .app-bar i, .marca-stage .app .ok, .marca-stage .app-notice b,
.marca-stage .hv2-logo, .marca-stage .hv2-tag, .marca-stage .hv2-track i {
  transition: color .6s var(--ease-out), background-color .6s var(--ease-out), border-color .6s var(--ease-out);
}
.app-tr--prog { grid-template-columns: minmax(0, 2.4fr) minmax(0, 1fr) minmax(0, 1.2fr); }
.app-tr--prog > :not(:first-child) { text-align: right; }
.app-tr--prog .app-bar { width: 100%; }
.marca-phone {
  position: absolute; right: -1%; bottom: 0; z-index: 2;
  width: 31%; min-width: 210px; padding: 14px;
}
.marca-phone .hv2-head { margin-bottom: 14px; }
.marca-phone .hv2-names span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.marca-phone .hv2-title { margin-bottom: 12px; font-size: 16px; }
.marca-phone .hv2-tasks { grid-template-columns: minmax(0, 1fr); }
.marca-phone .hv2-tasks li { gap: 10px; padding: 9px 10px; }
.marca-phone .hv2-tag { width: 42px; font-size: 9px; }
.marca-phone .hv2-t { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.marca-phone .hv2-t small { overflow: hidden; text-overflow: ellipsis; }
.marca-phone .hv2-tasks li:nth-child(3) { display: none; }

/* Campus: capturas reales (reutiliza .bl-stage de web.css) */
.marca-stage.bl-stage { padding-bottom: 10%; }

/* =====================================================================
   +WEB — la web de la academia
   ===================================================================== */
.page-hero .webint-stage { margin-right: 4%; }
.web-hero-note { display: inline-flex; align-items: center; gap: 8px; }

/* recreación de la web de una academia (dibujada a 1040 px; --u = 1 px de diseño) */
.site {
  --u: calc(100cqw / 1040);
  --site: #13967A;
  width: 100%; overflow: hidden;
  font-size: calc(14 * var(--u)); line-height: 1.4; color: #141C2B; text-align: left;
  background: #fff;
}
.site-nav { display: flex; align-items: center; gap: calc(30 * var(--u)); padding: calc(20 * var(--u)) calc(36 * var(--u)); border-bottom: 1px solid #EEF1F6; }
.site-logo { display: inline-flex; align-items: center; gap: calc(10 * var(--u)); margin-right: auto; font-size: calc(17 * var(--u)); font-weight: 750; letter-spacing: -.02em; }
.site-logo i { display: grid; place-items: center; width: calc(36 * var(--u)); height: calc(36 * var(--u)); border-radius: calc(10 * var(--u)); font-style: normal; font-size: calc(13 * var(--u)); color: #fff; background: var(--site); }
.site-links { display: flex; gap: calc(28 * var(--u)); font-size: calc(14.5 * var(--u)); font-weight: 550; color: #4A5872; }
.site-cta { padding: calc(10 * var(--u)) calc(18 * var(--u)); border-radius: 999px; font-size: calc(14 * var(--u)); font-weight: 650; color: #fff; background: var(--site); white-space: nowrap; box-shadow: 0 calc(8 * var(--u)) calc(18 * var(--u)) calc(-8 * var(--u)) rgba(19, 150, 122, .8); }
.site-hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: calc(40 * var(--u)); align-items: center; padding: calc(48 * var(--u)) calc(36 * var(--u)) calc(40 * var(--u)); background: linear-gradient(160deg, #F2FBF8, #fff 62%); }
.site-hero small { display: block; margin-bottom: calc(12 * var(--u)); font-size: calc(12 * var(--u)); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--site); }
.site-hero b { display: block; font-size: calc(38 * var(--u)); line-height: 1.04; letter-spacing: -.04em; font-weight: 750; }
.site-hero p { max-width: 36ch; margin-top: calc(14 * var(--u)); font-size: calc(15 * var(--u)); color: #5B6A85; }
.site-btns { display: flex; gap: calc(10 * var(--u)); margin-top: calc(24 * var(--u)); }
.site-btns span { padding: calc(11 * var(--u)) calc(18 * var(--u)); border-radius: 999px; font-size: calc(13.5 * var(--u)); font-weight: 650; color: #141C2B; background: #fff; box-shadow: inset 0 0 0 1px #D7DEEB; }
.site-btns .p { color: #fff; background: #141C2B; box-shadow: none; }
.site-photo { position: relative; aspect-ratio: 1.2; border-radius: calc(18 * var(--u)); overflow: hidden; background: linear-gradient(150deg, #CDEFE4, #9AD6C3 55%, #6EBFA6); }
.site-photo::before { content: ""; position: absolute; left: 12%; right: 12%; bottom: 0; height: 46%; border-radius: calc(16 * var(--u)) calc(16 * var(--u)) 0 0; background: linear-gradient(180deg, rgba(255, 255, 255, .85), rgba(255, 255, 255, .55)); }
.site-photo::after { content: ""; position: absolute; left: 50%; top: 18%; width: 26%; aspect-ratio: 1; border-radius: 50%; transform: translateX(-50%); background: rgba(255, 255, 255, .7); }
.site-photo i { position: absolute; right: 7%; top: 8%; z-index: 1; padding: calc(7 * var(--u)) calc(12 * var(--u)); border-radius: 999px; font-style: normal; font-size: calc(11.5 * var(--u)); font-weight: 700; color: var(--site); background: #fff; box-shadow: 0 calc(10 * var(--u)) calc(20 * var(--u)) calc(-10 * var(--u)) rgba(10, 22, 40, .4); }
.site-sec { padding: calc(30 * var(--u)) calc(36 * var(--u)) calc(34 * var(--u)); }
.site-sec > b { display: block; margin-bottom: calc(16 * var(--u)); font-size: calc(19 * var(--u)); letter-spacing: -.025em; }
.site-courses { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: calc(16 * var(--u)); }
.site-course { padding: calc(12 * var(--u)) calc(12 * var(--u)) calc(16 * var(--u)); border-radius: calc(14 * var(--u)); background: #F6F8FB; box-shadow: inset 0 0 0 1px #E6ECF4; }
.site-course i { display: block; height: calc(70 * var(--u)); margin-bottom: calc(12 * var(--u)); border-radius: calc(9 * var(--u)); background: linear-gradient(135deg, #D7F0E8, #BFE3D6); }
.site-course:nth-child(2) i { background: linear-gradient(135deg, #DCE8FB, #C3D6F5); }
.site-course:nth-child(3) i { background: linear-gradient(135deg, #F4E6D8, #EBD3BE); }
.site-course b { display: block; font-size: calc(14.5 * var(--u)); }
.site-course small { font-size: calc(12 * var(--u)); color: #8A96AD; }
.site-contact { display: flex; align-items: center; gap: calc(12 * var(--u)); margin: 0 calc(36 * var(--u)) calc(34 * var(--u)); padding: calc(18 * var(--u)) calc(22 * var(--u)); border-radius: calc(16 * var(--u)); color: #fff; background: #141C2B; }
.site-contact b { margin-right: auto; font-size: calc(17 * var(--u)); letter-spacing: -.02em; }
.site-contact b small { display: block; font-size: calc(12.5 * var(--u)); font-weight: 500; color: rgba(255, 255, 255, .65); letter-spacing: 0; }
.site-contact span { padding: calc(10 * var(--u)) calc(16 * var(--u)); border-radius: 999px; font-size: calc(13 * var(--u)); font-weight: 650; background: rgba(255, 255, 255, .1); white-space: nowrap; }
.site-contact .site-wa { background: #25D366; }

/* la misma web en el móvil, sobre la de escritorio */
.feature .web-cap { margin-bottom: 9%; }
.web-mob {
  position: absolute; left: -6%; bottom: -16%; z-index: 3;
  width: 27%; min-width: 150px; padding: 6px;
  border-radius: 28px;
  background: linear-gradient(160deg, #26324A, #0B111D 60%);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .5), 0 40px 80px -30px rgba(10, 22, 40, .7);
}
.web-mob-in { container-type: inline-size; overflow: hidden; border-radius: 22px; background: #fff; }
.mob { --v: calc(100cqw / 300); --site: #13967A; font-size: calc(13 * var(--v)); line-height: 1.35; color: #141C2B; }
.mob-nav { display: flex; align-items: center; gap: calc(8 * var(--v)); padding: calc(16 * var(--v)) calc(14 * var(--v)) calc(12 * var(--v)); border-bottom: 1px solid #EEF1F6; }
.mob-nav .site-logo { font-size: calc(14 * var(--v)); gap: calc(7 * var(--v)); }
.mob-nav .site-logo i { width: calc(28 * var(--v)); height: calc(28 * var(--v)); border-radius: calc(8 * var(--v)); font-size: calc(10.5 * var(--v)); }
.mob-burger { display: grid; gap: calc(4 * var(--v)); width: calc(18 * var(--v)); }
.mob-burger i { height: calc(2 * var(--v)); border-radius: 2px; background: #141C2B; }
.mob-hero { padding: calc(22 * var(--v)) calc(16 * var(--v)) calc(16 * var(--v)); background: linear-gradient(160deg, #F2FBF8, #fff 70%); }
.mob-hero b { display: block; font-size: calc(23 * var(--v)); line-height: 1.06; letter-spacing: -.04em; font-weight: 750; }
.mob-hero p { margin-top: calc(8 * var(--v)); font-size: calc(12 * var(--v)); color: #5B6A85; }
.mob-cta { display: block; margin-top: calc(16 * var(--v)); padding: calc(11 * var(--v)); border-radius: 999px; text-align: center; font-size: calc(13 * var(--v)); font-weight: 650; color: #fff; background: #13967A; }
.mob-course { margin: 0 calc(16 * var(--v)) calc(18 * var(--v)); padding: calc(10 * var(--v)); border-radius: calc(12 * var(--v)); background: #F6F8FB; box-shadow: inset 0 0 0 1px #E6ECF4; font-size: calc(12.5 * var(--v)); font-weight: 650; }
.mob-course i { display: block; height: calc(54 * var(--v)); margin-bottom: calc(8 * var(--v)); border-radius: calc(8 * var(--v)); background: linear-gradient(135deg, #D7F0E8, #BFE3D6); }

/* lo que también va incluido */
.web-extra { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: clamp(96px, 13vh, 150px); }
.web-extra li { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 4px 18px; align-items: start; padding: clamp(22px, 2.4vw, 30px); border-radius: 26px; background: #fff; box-shadow: inset 0 0 0 1px var(--line), 0 30px 60px -48px rgba(10, 22, 40, .35); }
.web-extra-ico { grid-row: span 2; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; color: var(--electric); background: rgba(59, 127, 232, .1); }
.web-extra h3 { font-size: 19px; line-height: 1.25; letter-spacing: -.025em; font-weight: 620; }
.web-extra p { font-size: 15px; line-height: 1.55; color: var(--ink-2); }

/* cómo se conecta: web → acceso → plataforma */
.flow { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.flow::before {
  content: ""; position: absolute; left: 16%; right: 16%; top: 62px; height: 1px;
  background: linear-gradient(90deg, rgba(121, 170, 248, .1), rgba(121, 170, 248, .55), rgba(121, 170, 248, .1));
}
.flow::after {
  content: ""; position: absolute; left: 16%; top: 59px; width: 7px; height: 7px; border-radius: 50%;
  background: var(--electric-hi); box-shadow: 0 0 0 5px rgba(121, 170, 248, .18), 0 0 18px 2px rgba(121, 170, 248, .7);
  animation: flow-travel 4.8s var(--ease-io) infinite;
}
@keyframes flow-travel {
  0% { left: 16%; opacity: 0; }
  8% { opacity: 1; }
  45%, 55% { left: 50%; }
  92% { opacity: 1; }
  100% { left: 84%; opacity: 0; }
}
.flow-step { position: relative; display: grid; justify-items: center; text-align: center; padding: 0 clamp(4px, 1.4vw, 20px); }
.flow-viz {
  position: relative; z-index: 1;
  display: grid; place-items: center;
  width: min(100%, 250px); height: 124px; margin-bottom: 26px;
  border-radius: 24px;
  background: linear-gradient(170deg, #13284A, #0D1B31);
  box-shadow: inset 0 0 0 1px var(--d-line-2), 0 30px 60px -30px rgba(0, 0, 0, .8);
  transition: box-shadow .6s var(--ease-out);
}
.flow-step.is-on .flow-viz { box-shadow: inset 0 0 0 1px rgba(121, 170, 248, .55), 0 30px 70px -30px rgba(59, 127, 232, .6); }
.flow-num { font-size: 12.5px; font-weight: 600; letter-spacing: .16em; color: var(--electric-hi); }
.flow-step h3 { margin: 10px 0 8px; font-size: clamp(20px, 1.8vw, 24px); line-height: 1.15; letter-spacing: -.03em; font-weight: 630; color: #fff; }
.flow-step p { max-width: 30ch; font-size: 15.5px; color: var(--d-text-2); }
.fv-url { display: inline-flex; align-items: center; gap: 9px; padding: 9px 16px 9px 12px; border-radius: 999px; font-size: 13px; font-weight: 550; color: #5B6A85; background: #fff; box-shadow: 0 14px 30px -14px rgba(0, 0, 0, .7); }
.fv-url i { width: 14px; height: 14px; border-radius: 4px; background: #13967A; }
.fv-btn { position: relative; padding: 11px 20px; border-radius: 999px; font-size: 14px; font-weight: 650; color: #fff; background: #13967A; box-shadow: 0 14px 30px -10px rgba(19, 150, 122, .8); }
.fv-btn::after {
  content: ""; position: absolute; right: -14px; bottom: -16px; width: 22px; height: 22px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='22' height='22' viewBox='0 0 22 22'%3E%3Cpath d='M4 2l14 8-6 1.6L9 18z' fill='%230A1628' stroke='white' stroke-width='1.4' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat;
  filter: drop-shadow(0 3px 4px rgba(0, 0, 0, .35));
}
.fv-app { display: inline-flex; align-items: center; gap: 10px; padding: 10px 16px 10px 10px; border-radius: 14px; color: var(--ink); background: #F6F9FE; box-shadow: 0 14px 30px -14px rgba(0, 0, 0, .7); }
.fv-app i { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; font-style: normal; font-size: 11px; font-weight: 700; color: #fff; background: #13967A; }
.fv-app b { display: block; font-size: 14px; letter-spacing: -.01em; }
.fv-app small { display: block; font-size: 11.5px; font-weight: 500; color: var(--ink-3); }

/* Aula o Campus, desde tu web */
.conn { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: clamp(72px, 10vw, 120px); }
.conn-card {
  display: flex; flex-direction: column;
  padding: clamp(26px, 3vw, 40px); border-radius: 30px;
  background: rgba(255, 255, 255, .035); box-shadow: inset 0 0 0 1px var(--d-line);
}
.conn-card--campus { background: radial-gradient(90% 70% at 100% 0%, rgba(59, 127, 232, .28), transparent 60%), rgba(255, 255, 255, .04); box-shadow: inset 0 0 0 1px rgba(121, 170, 248, .32); }
.conn-kicker { font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--electric-hi); }
.conn-card h3 { margin: 12px 0 20px; font-size: clamp(24px, 2.3vw, 32px); line-height: 1.08; letter-spacing: -.04em; font-weight: 640; color: #fff; }
.conn-plus { margin-bottom: 4px; font-size: 14px; font-weight: 600; color: var(--electric-hi); }
.conn-list { display: grid; margin-bottom: 28px; }
.conn-list li { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 12px; align-items: start; padding: 13px 0; border-top: 1px solid var(--d-line); font-size: 16px; color: var(--d-text); }
.conn-list li::before {
  content: ""; width: 22px; height: 22px; margin-top: 1px; border-radius: 50%;
  background: rgba(121, 170, 248, .16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.3 2.3 4.7-5' fill='none' stroke='%2379AAF8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.conn-card--campus .conn-list li::before { background-color: var(--electric); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.3 2.3 4.7-5' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.conn-card .link-arrow { margin-top: auto; }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 1100px) {
  .marca-head { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .marca-studio { grid-template-columns: minmax(0, 1fr); }
  .marca-controls { max-width: 560px; }
  .page-hero .webint-stage { margin-right: 0; }
  .web-extra { grid-template-columns: minmax(0, 1fr); max-width: 640px; }
  .web-mob { left: -2%; }
}
@media (max-width: 900px) {
  .marca-stage.bl-stage { padding-bottom: 0; }
  .marca-stage .bl-desk-cap { width: 100%; }
  .flow { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .flow::before, .flow::after { display: none; }
  .flow-step { padding: 0; }
  .flow-step + .flow-step::before { content: ""; width: 1px; height: 30px; margin: -36px 0 6px; background: linear-gradient(180deg, rgba(121, 170, 248, .1), rgba(121, 170, 248, .6)); }
  .conn { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 700px) {
  .marca-sec { padding-bottom: 56px; }
  .marca-studio { padding: 14px 14px 22px; border-radius: 26px; gap: 24px; }
  .marca-controls .bl-core { border-radius: 18px; }
  .marca-try-t { font-size: 17px; }
  .marca-stage--aula { padding-bottom: 30%; }
  .marca-desk { width: 100%; }
  .marca-phone { width: 48%; min-width: 0; right: -2%; padding: 11px; border-radius: 18px; }
  .marca-phone .hv2-head { gap: 8px; margin-bottom: 10px; }
  .marca-phone .hv2-logo { width: 24px; height: 24px; border-radius: 7px; font-size: 9.5px; }
  .marca-phone .hv2-names { font-size: 12.5px; }
  .marca-phone .hv2-date { font-size: 9.5px; }
  .marca-phone .hv2-title { margin: 2px 0 8px; font-size: 14px; }
  .marca-phone .hv2-tasks { gap: 6px; }
  .marca-phone .hv2-tasks li { gap: 7px; padding: 7px; border-radius: 9px; }
  .marca-phone .hv2-tag { display: none; }
  .marca-phone .hv2-t { font-size: 10.5px; }
  .marca-phone .hv2-t small { font-size: 9.5px; }
  .marca-phone .hv2-check { width: 16px; height: 16px; }
  .marca-phone .hv2-check.is-done::after { left: 5.5px; top: 3px; width: 3.5px; height: 7px; }
  .marca-phone .hv2-progress { display: none; }
  .marca-note { text-align: left; }
  .feature .web-cap { margin-bottom: 22%; }
  .web-cap .cap-note { max-width: 56%; text-align: left; }
  .web-extra { margin-top: 64px; }
  .web-mob { left: auto; right: -2%; bottom: -26%; width: 40%; min-width: 0; padding: 4px; border-radius: 20px; }
  .web-mob-in { border-radius: 16px; }
  .web-extra li { grid-template-columns: 44px minmax(0, 1fr); gap: 4px 14px; }
  .web-extra-ico { width: 44px; height: 44px; border-radius: 12px; }
  .flow-viz { height: 112px; }
}

/* =====================================================================
   AULA · DENTRO DE UNA CLASE ONLINE (recreación de la videollamada)
   Mismo sistema de escala que el resto de pantallas (--u = ancho / 1040).
   ===================================================================== */
.vc { display: grid; gap: calc(12 * var(--u)); padding: calc(14 * var(--u)); background: #0E1626; color: #E6ECF6; }
.vc-top { display: flex; align-items: center; gap: calc(14 * var(--u)); font-size: calc(12 * var(--u)); color: #A9B6CC; }
.vc-brand { display: inline-flex; align-items: center; gap: calc(8 * var(--u)); font-weight: 600; color: #E6ECF6; }
.vc-brand b {
  display: grid; place-items: center; width: calc(26 * var(--u)); height: calc(26 * var(--u));
  border-radius: calc(7 * var(--u)); background: var(--electric); color: #fff; font-size: calc(10.5 * var(--u)); font-weight: 800;
}
.vc-title { margin-left: auto; font-weight: 600; color: #E6ECF6; }
.vc-live {
  display: inline-flex; align-items: center; gap: calc(6 * var(--u));
  padding: calc(5 * var(--u)) calc(10 * var(--u)); border-radius: calc(12 * var(--u));
  background: rgba(222, 74, 63, .18); color: #FF8A80;
  font-size: calc(10.5 * var(--u)); font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
}
.vc-live i { width: calc(8 * var(--u)); height: calc(8 * var(--u)); border-radius: 50%; background: #DE4A3F; animation: vc-pulse 1.6s ease-in-out infinite; }
.vc-live em { margin-left: calc(4 * var(--u)); font-style: normal; font-weight: 600; letter-spacing: 0; color: #E6ECF6; font-variant-numeric: tabular-nums; }

.vc-stage { display: grid; grid-template-columns: minmax(0, 1fr) calc(300 * var(--u)); gap: calc(10 * var(--u)); }
.vc-teacher {
  position: relative; overflow: hidden; aspect-ratio: 16 / 10; border-radius: calc(12 * var(--u));
  background: linear-gradient(180deg, #E3EAF4, #C9D6E8);
  box-shadow: 0 0 0 calc(2.5 * var(--u)) #2BD07A;
}
.vc-board {
  position: absolute; left: 7%; top: 9%; width: 54%;
  display: grid; gap: calc(7 * var(--u)); padding: calc(14 * var(--u)) calc(16 * var(--u));
  border-radius: calc(6 * var(--u)); background: #fff; box-shadow: 0 0 0 calc(5 * var(--u)) #B6C4D8;
  font-size: calc(12.5 * var(--u)); color: #1B2A44;
}
.vc-board b { font-size: calc(16 * var(--u)); color: var(--royal); }
/* persona en cámara: cabeza y hombros */
.vc-person { --fg: #5D86C4; position: absolute; left: 50%; bottom: 0; width: 56%; height: 74%; transform: translateX(-50%); }
.vc-person::before { content: ""; position: absolute; left: 50%; top: 0; width: 44%; aspect-ratio: 1; border-radius: 50%; transform: translateX(-50%); background: var(--fg); }
.vc-person::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 50%; border-radius: 50% 50% 0 0 / 70% 70% 0 0; background: var(--fg); }
.vc-person--teacher { --fg: #2F4E7E; left: auto; right: 9%; width: 30%; height: 66%; transform: none; }
.vc-tag {
  position: absolute; left: calc(10 * var(--u)); bottom: calc(10 * var(--u));
  display: inline-flex; align-items: center; gap: calc(6 * var(--u));
  padding: calc(5 * var(--u)) calc(10 * var(--u)); border-radius: calc(8 * var(--u));
  background: rgba(10, 22, 40, .66); color: #fff; font-size: calc(11.5 * var(--u)); font-weight: 600;
}
.vc-speak { width: calc(8 * var(--u)); height: calc(8 * var(--u)); border-radius: 50%; background: #2BD07A; box-shadow: 0 0 0 calc(3 * var(--u)) rgba(43, 208, 122, .28); }

.vc-people { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: minmax(0, 1fr); gap: calc(8 * var(--u)); }
.vc-tile { position: relative; overflow: hidden; border-radius: calc(10 * var(--u)); background: var(--bg); }
.vc-tile small {
  position: absolute; left: calc(7 * var(--u)); bottom: calc(6 * var(--u));
  padding: calc(2 * var(--u)) calc(6 * var(--u)); border-radius: calc(5 * var(--u));
  background: rgba(10, 22, 40, .55); color: #fff; font-size: calc(10 * var(--u)); font-weight: 600;
}
.vc-tile--more { display: grid; place-items: center; align-content: center; gap: calc(2 * var(--u)); background: #1E2A40; }
.vc-tile--more b { font-size: calc(20 * var(--u)); color: #fff; }
.vc-tile--more small { position: static; padding: 0; background: none; color: #A9B6CC; }

.vc-bar { display: flex; justify-content: center; gap: calc(10 * var(--u)); }
.vc-btn { display: grid; place-items: center; width: calc(40 * var(--u)); height: calc(40 * var(--u)); border-radius: 50%; background: #1E2A40; color: #C9D4E6; }
.vc-btn svg { width: calc(18 * var(--u)); height: calc(18 * var(--u)); }
.vc-btn--end { width: auto; padding: 0 calc(18 * var(--u)); border-radius: calc(20 * var(--u)); background: #DE4A3F; color: #fff; font-size: calc(12 * var(--u)); font-weight: 700; }
@keyframes vc-pulse { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .vc-live i { animation: none; } }

/* recuadro pequeño: las clases grabadas, en segundo plano */
.vid-rec {
  display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 14px; align-items: center;
  max-width: 420px; margin-top: 26px; padding: 12px 18px 12px 12px;
  border-radius: 16px; background: #fff;
  box-shadow: inset 0 0 0 1px var(--line), 0 18px 36px -28px rgba(10, 22, 40, .3);
}
.vid-rec-thumb { position: relative; aspect-ratio: 16 / 10; border-radius: 10px; background: linear-gradient(150deg, var(--electric), var(--royal)); }
.vid-rec-thumb::after {
  content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-35%, -50%);
  border-style: solid; border-width: 7px 0 7px 12px; border-color: transparent transparent transparent #fff;
}
.vid-rec-txt { font-size: 14px; line-height: 1.45; color: var(--ink-2); }
.vid-rec-txt b { display: block; margin-bottom: 2px; font-size: 15px; font-weight: 650; color: var(--ink); }

/* recuadro junto a la clase en directo: las clases grabadas (contenido propio, no es una lupa) */
.rec-box .rec-list { position: absolute; inset: 42px 12px 12px; display: grid; gap: 6px; align-content: start; }
.rec-item { display: grid; grid-template-columns: 50px minmax(0, 1fr); gap: 10px; align-items: center; padding: 4px; border-radius: 10px; background: #F4F7FC; line-height: 1.25; }
.rec-item i { position: relative; aspect-ratio: 16 / 10; border-radius: 7px; background: linear-gradient(150deg, var(--electric), var(--royal)); }
.rec-item i::after {
  content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-35%, -50%);
  border-style: solid; border-width: 5px 0 5px 8px; border-color: transparent transparent transparent #fff;
}
.rec-item span { min-width: 0; }
.rec-item b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12.5px; font-weight: 650; color: var(--ink); }
.rec-item small { font-size: 11px; color: var(--ink-3); }
@media (max-width: 700px) {
  .rec-box .rec-list { inset: 40px 8px 8px; gap: 5px; }
  .rec-item { grid-template-columns: 44px minmax(0, 1fr); gap: 7px; padding: 4px; }
  .rec-item:nth-child(3) { display: none; }
  .rec-item b { font-size: 11px; }
  .rec-item small { font-size: 10px; }
}

/* +Web: cierre en blanco (hoja clara con el halo azul suave) */
.cta-band--light { overflow: clip; }
.cta-band--light .cta-halo { opacity: .45; }

/* =====================================================================
   MÓVIL — versión simplificada de Aula, Campus y +Web (≤ 700 px)
   Campus: el estudio activo se queda con la captura del móvil (fuera la
   ficha de repaso de al lado). +Web: lo que incluye y los tres pasos de la
   conexión, en desplegable (ui.js) como el resto de listas en móvil.
   ===================================================================== */
@media (max-width: 700px) {
  .cv-flash { display: none; }
  .cv-demo--study { display: block; }
  .cv-demo--study .cap--phone { max-width: 250px; margin-inline: auto; }

  .web-extra { gap: 8px; margin-top: 32px; }
  .web-extra li { grid-template-columns: 40px minmax(0, 1fr); gap: 0 14px; align-items: center; padding: 14px 16px; border-radius: 16px; }
  .web-extra-ico { grid-row: auto; width: 40px; height: 40px; border-radius: 12px; }
  .web-extra p { grid-column: 2; margin-top: 4px; font-size: 14.5px; }

  .flow { gap: 8px; }
  .flow-step { display: flex; flex-direction: column; align-items: stretch; text-align: left; padding: 14px 16px; border-radius: 16px; background: rgba(255, 255, 255, .035); box-shadow: inset 0 0 0 1px var(--d-line); }
  .flow-step + .flow-step::before { display: none; }
  .flow-step h3 { margin: 2px 0 0; font-size: 18px; }
  .flow-step p { order: 3; max-width: none; margin-top: 6px; font-size: 14.5px; }
  .flow-viz { order: 4; width: 100%; height: 96px; margin: 12px 0 0; }
}