/* ============================================================
   UNIVERSAL LEARNING — Rediseño de secciones de Solución
   3 composiciones claras, aireadas y orgánicas (full-bleed),
   sobre la base de tokens UL. Pensado para Smart Tutor.
   Raíz por opción: .sd.sd--editorial / .sd--bleed / .sd--organic
   ============================================================ */

/* ---------- Base compartida ---------- */
.sd {
  position: relative;
  width: 1280px;
  background: var(--ul-white);
  color: var(--ul-slate);
  font-family: var(--font-body);
  overflow: hidden;
  isolation: isolate;
}
.sd__wrap { position: relative; padding: 0 88px; }
.sd__sectionpad { padding-top: 104px; }

/* Eyebrow */
.sd__eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font: 600 18px/1 var(--font-body); letter-spacing: 0.16em;
  text-transform: none; color: var(--ul-turquoise-dark);
}
.sd__eyebrow::before {
  content: ""; width: 28px; height: 2px; background: var(--gradient-turquoise);
  border-radius: 2px;
}

/* Section heading (¿Qué resuelve?, etc.) */
.sd__kicker {
  font: 600 16px/1 var(--font-body); letter-spacing: 0.16em;
  text-transform: none; color: var(--ul-sky); margin-bottom: 14px;
}
.sd__h2 {
  font-family: var(--font-display); font-weight: 700; text-transform: none;
  color: var(--ul-navy); line-height: 0.98; font-size: clamp(34px, 3.4vw, 50px);
  margin: 0;
}

/* Title + ghost number */
.sd__title {
  font-family: var(--font-display); font-weight: 700; text-transform: none;
  color: var(--ul-navy); line-height: 0.9; letter-spacing: 0.004em;
  font-size: clamp(54px, 6.4vw, 92px); margin: 0;
}
.sd__title em {
  font-style: normal; color: var(--ul-turquoise-dark);
  position: relative;
}
.sd__ghost {
  font-family: var(--font-display); font-weight: 700; line-height: 0.7;
  color: transparent; -webkit-text-stroke: 2px rgba(26, 0, 114, 0.10);
  pointer-events: none; user-select: none; position: absolute; z-index: 0;
}

/* Lead */
.sd__lead {
  font-size: 22px; line-height: 1.62; color: var(--ul-slate);
  max-width: 46ch; margin: 0;
}

/* Chips */
.sd__chips { display: flex; flex-wrap: wrap; gap: 10px; }
.sd__chip {
  font: 600 18px/1 var(--font-body); letter-spacing: 0.04em; color: var(--ul-navy);
  background: var(--ul-bg-tint); border: 1px solid rgba(14, 239, 218, 0.45);
  border-radius: var(--radius-pill); padding: 9px 16px;
}

/* CTA */
.sd__cta {
  display: inline-flex; align-items: center; gap: 10px;
  font: 700 18px/1 var(--font-body); letter-spacing: 0.05em; text-transform: none;
  color: #fff; background: var(--ul-turquoise-dark);
  border: none; border-radius: var(--radius-pill); padding: 18px 30px; cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), filter var(--dur-base) var(--ease-out);
}
.sd__cta svg { width: 18px; height: 18px; }
.sd__cta:hover { transform: translateY(-2px); background: #1c9a95; box-shadow: var(--shadow-md); }
.sd__cta--ghost {
  background: transparent; color: var(--ul-navy); border: 1.5px solid var(--ul-border-strong);
  box-shadow: none;
}
.sd__cta--ghost:hover { border-color: var(--ul-turquoise); filter: none; box-shadow: none; color: var(--ul-turquoise-dark); }

/* Prose */
.sd__prose p { font-size: 20px; line-height: 1.7; color: var(--ul-slate); margin: 0 0 18px; }
.sd__prose p:last-child { margin-bottom: 0; }

/* Video poster (en la página real → reproductor Vimeo) */
.sd__video {
  position: relative; border-radius: var(--radius-xl); overflow: hidden;
  background: var(--gradient-navy-radial); aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-xl); cursor: pointer;
}
.sd__video::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(14, 239, 218, 0.16) 1.4px, transparent 1.6px);
  background-size: 26px 26px; opacity: 0.6; mix-blend-mode: screen;
}
.sd__video::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(90% 70% at 70% 30%, rgba(0, 164, 209, 0.22), transparent 60%);
}
.sd__videoplay {
  position: absolute; inset: 0; margin: auto; width: 100px; height: 100px;
  border-radius: 50%; background: var(--gradient-turquoise);
  display: flex; align-items: center; justify-content: center; z-index: 2;
  box-shadow: var(--shadow-glow-turquoise);
  transition: transform var(--dur-base) var(--ease-out);
}
.sd__videoplay::after {
  content: ""; position: absolute; inset: -14px; border-radius: 50%;
  border: 1.5px solid rgba(14, 239, 218, 0.5); animation: sd-pulse 3s var(--ease-out) infinite;
}
@keyframes sd-pulse { 0% { transform: scale(1); opacity: 0.7; } 70% { transform: scale(1.25); opacity: 0; } 100% { opacity: 0; } }
.sd__videoplay svg { width: 38px; height: 38px; color: var(--ul-navy-deep); margin-left: 5px; }
.sd__video:hover .sd__videoplay { transform: scale(1.06); }
.sd__videolabel {
  position: absolute; left: 26px; bottom: 22px; z-index: 2; color: #fff;
  font: 600 14px/1.2 var(--font-body); letter-spacing: 0.06em; text-transform: none;
  display: inline-flex; align-items: center; gap: 9px;
}
.sd__videolabel::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ul-turquoise); box-shadow: 0 0 10px var(--ul-turquoise); }
.sd__videocap {
  font: 600 12px/1 var(--font-body); letter-spacing: 0.16em; text-transform: none;
  color: var(--ul-sky); margin-bottom: 16px;
}

/* Floating placeholder imagery */
.sd image-slot { display: block; background: var(--ul-bg-soft); }
.sd__imgcard { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }

/* Benefit base */
.sd__benefit { position: relative; border-radius: var(--radius-lg); }
.sd__benefit__ic {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: var(--gradient-turquoise); color: var(--ul-navy-deep); box-shadow: var(--shadow-sm);
}
.sd__benefit__ic svg { width: 26px; height: 26px; }
.sd__benefit__ic--photo { width: 60px; height: 60px; background: none !important; border-radius: 0; box-shadow: none !important; }
.sd__benefit__ic--photo img { width: 60px; height: 60px; display: block; object-fit: contain; }
.sd__benefit h4 { font-family: var(--font-display); font-weight: 600; text-transform: none; font-size: 20px; color: var(--ul-navy); margin: 16px 0 8px; line-height: 1.08; }
.sd__benefit p { font-size: 17px; line-height: 1.55; color: var(--ul-slate); margin: 0; }

/* Hex / blob decoration */
.sd__blob { position: absolute; border-radius: 50%; filter: blur(2px); z-index: 0; pointer-events: none; }
.sd__hexwm {
  position: absolute; z-index: 0; pointer-events: none; opacity: 0.5;
  background-image: radial-gradient(rgba(26, 0, 114, 0.05) 1.4px, transparent 1.6px);
  background-size: 24px 24px;
}

/* Final CTA band */
.sd__final {
  margin-top: 104px; padding: 72px 88px 96px; background: var(--gradient-navy-radial);
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
}
.sd__final::before {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 86.6'><polygon points='50,0 100,28.87 100,86.6 50,115.47 0,86.6 0,28.87' fill='none' stroke='%230EEFDA' stroke-opacity='0.12' stroke-width='1'/></svg>");
  background-size: 88px 76px; opacity: 1;
}
.sd__final-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.sd__final h3 { font-family: var(--font-display); font-weight: 700; text-transform: none; font-size: 31px; line-height: 1.12; color: #fff; margin: 0; max-width: 100%; text-wrap: balance; }
.sd__final h3 em { font-style: normal; color: var(--ul-turquoise); }
.sd__final .sd__cta { box-shadow: var(--shadow-glow-turquoise); }

/* Variante centrada con imagen de fondo (Opción B — degradado navy) */
.sd__final--centered .sd__final-inner {
  flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 30px;
}
.sd__final--centered h3 { font-size: clamp(26px, 3vw, 38px); line-height: 1.14; max-width: none; text-wrap: balance; }
.sd__final--centered .sd__cta { box-shadow: none; }
.sd__final .sd__final-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
}
.sd__final .sd__final-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(16, 0, 70, 0.30) 0%, rgba(16, 0, 70, 0.55) 45%, rgba(16, 0, 70, 0.92) 100%),
    linear-gradient(90deg, rgba(26, 0, 114, 0.55) 0%, rgba(16, 0, 70, 0) 60%);
}

/* ============================================================
   OPCIÓN 1 — EDITORIAL ASIMÉTRICO
   Título a la izquierda + ghost 01, cluster de imágenes a la
   derecha. Video grande y centrado en su franja. Tarjetas en
   abanico escalonado, colores alternados.
   ============================================================ */
.sd--editorial .sd__hero { position: relative; padding-top: 96px; min-height: 660px; }
.sd--editorial .sd__ghost { font-size: 300px; top: 18px; left: 40px; }
.sd--editorial .sd__hero-copy { position: relative; z-index: 2; width: 560px; padding-top: 40px; }
.sd--editorial .sd__eyebrow { margin-bottom: 22px; }
.sd--editorial .sd__title { margin-bottom: 26px; }
.sd--editorial .sd__lead { margin-bottom: 28px; }
.sd--editorial .sd__chips { margin-bottom: 34px; }

.sd--editorial .sd__cluster { position: absolute; top: 80px; right: 70px; width: 520px; height: 540px; z-index: 1; }
.sd--editorial .sd__cluster .sd__imgcard { position: absolute; }
.sd--editorial .sd__c1 { top: 0; right: 30px; width: 320px; height: 360px; z-index: 2; }
.sd--editorial .sd__c2 { top: 250px; right: 250px; width: 240px; height: 240px; z-index: 3; }
.sd--editorial .sd__c3 { top: 60px; right: 300px; width: 180px; height: 150px; z-index: 1; }
.sd--editorial .sd__cluster image-slot { width: 100%; height: 100%; }
.sd--editorial .sd__dot {
  position: absolute; top: 30px; right: 0; width: 92px; height: 92px; border-radius: 50%;
  background: var(--gradient-turquoise); opacity: 0.18; z-index: 0;
}

.sd--editorial .sd__videoband { margin-top: 24px; padding: 92px 88px; background: var(--ul-bg-soft); position: relative; }
.sd--editorial .sd__videoband .sd__videocap { text-align: center; }
.sd--editorial .sd__video { width: 920px; margin: 0 auto; }

.sd--editorial .sd__resuelve { padding: 104px 88px 24px; display: grid; grid-template-columns: 1fr; gap: 20px; align-items: start; }
.sd--editorial .sd__resuelve .sd__prose { padding-top: 4px; max-width: 70ch; }

.sd--editorial .sd__benefits { padding: 80px 88px 96px; }
.sd--editorial .sd__benefits-head { margin-bottom: 54px; max-width: 560px; }
.sd--editorial .sd__fan { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; align-items: stretch; }
.sd--editorial .sd__fan .sd__benefit { padding: 28px 24px 30px; box-shadow: var(--shadow-md); border: 1px solid var(--ul-border); background: #fff; transition: transform var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow) var(--ease-out); }
.sd--editorial .sd__fan .sd__benefit:nth-child(1) { transform: translateY(0); }
.sd--editorial .sd__fan .sd__benefit:nth-child(2) { transform: translateY(30px); }
.sd--editorial .sd__fan .sd__benefit:nth-child(3) { transform: translateY(8px); }
.sd--editorial .sd__fan .sd__benefit:nth-child(4) { transform: translateY(38px); }
.sd--editorial .sd__fan .sd__benefit:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
/* colores alternados */
.sd--editorial .sd__fan .sd__benefit:nth-child(2) { background: var(--ul-bg-tint); border-color: rgba(14, 239, 218, 0.4); }
/* La 3ª tarjeta queda igual que la 1ª (blanca con borde): sin overrides. */
.sd--editorial .sd__fan .sd__benefit:nth-child(4) { background: #EAF6FB; border-color: rgba(0, 164, 209, 0.3); }
.sd--editorial .sd__fan .sd__benefit:nth-child(4) .sd__benefit__ic { background: linear-gradient(135deg, #00A4D1, #0EEFDA); }

/* ---- Variación sentence-case (solo títulos; eyebrows y cierre quedan en mayúsculas) ---- */
.sd--sentence .sd__title,
.sd--sentence .sd__h2,
.sd--sentence .sd__benefit h4 { text-transform: none; }

/* ============================================================
   OPCIÓN 2 — DESBORDADO (video héroe que sangra al borde)
   Título a la izquierda, video enorme desbordando a la derecha.
   Tarjetas en mosaico de tamaños mezclados.
   ============================================================ */
.sd--bleed .sd__hero { position: relative; min-height: 720px; padding-top: 110px; }
.sd--bleed .sd__ghost { font-size: 240px; top: 60px; left: 60px; }
.sd--bleed .sd__hero-copy { position: relative; z-index: 3; width: 500px; padding-top: 30px; }
.sd--bleed .sd__eyebrow { margin-bottom: 22px; }
.sd--bleed .sd__title { margin-bottom: 26px; }
.sd--bleed .sd__lead { margin-bottom: 28px; }
.sd--bleed .sd__chips { margin-bottom: 34px; }
.sd--bleed .sd__heromedia {
  position: absolute; top: 96px; right: -120px; width: 760px; z-index: 2;
}
.sd--bleed .sd__heromedia .sd__video { width: 100%; box-shadow: var(--shadow-xl); }
.sd--bleed .sd__heromedia .sd__videocap { position: absolute; top: -34px; left: 8px; }
.sd--bleed .sd__sky {
  position: absolute; top: 0; right: 0; width: 520px; height: 760px; z-index: 0;
  background: radial-gradient(70% 60% at 70% 30%, rgba(0, 164, 209, 0.12), transparent 70%);
}

.sd--bleed .sd__resuelve { padding: 96px 88px 40px; position: relative; }
.sd--bleed .sd__pull {
  font-family: var(--font-display); font-weight: 600; text-transform: none;
  font-size: 40px; line-height: 1.04; color: var(--ul-navy); max-width: 18ch; margin: 0 0 0 auto;
}
.sd--bleed .sd__pull em { font-style: normal; color: var(--ul-turquoise-dark); }
.sd--bleed .sd__resuelve-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 48px; }

.sd--bleed .sd__benefits { padding: 72px 88px 96px; }
.sd--bleed .sd__benefits-head { margin-bottom: 48px; max-width: 560px; }
.sd--bleed .sd__mosaic { display: grid; grid-template-columns: 1.2fr 1fr 1fr; grid-auto-rows: 1fr; gap: 22px; }
.sd--bleed .sd__mosaic .sd__benefit { padding: 30px 26px; border: 1px solid var(--ul-border); background: #fff; box-shadow: var(--shadow-md); transition: transform var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow) var(--ease-out); display: flex; flex-direction: column; }
.sd--bleed .sd__mosaic .sd__benefit:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
/* primera tarjeta grande: ocupa 2 filas */
.sd--bleed .sd__mosaic .sd__benefit--feature {
  grid-row: span 2; background: var(--gradient-navy-radial); border: none; justify-content: space-between;
}
.sd--bleed .sd__mosaic .sd__benefit--feature h4 { color: #fff; font-size: 28px; margin-top: 28px; }
.sd--bleed .sd__mosaic .sd__benefit--feature p { color: rgba(255, 255, 255, 0.82); font-size: 18px; }
.sd--bleed .sd__mosaic .sd__benefit--feature .sd__benefit__ic { width: 60px; height: 60px; }
.sd--bleed .sd__mosaic .sd__benefit--tint { background: var(--ul-bg-tint); border-color: rgba(14, 239, 218, 0.4); }
.sd--bleed .sd__mosaic .sd__benefit--wide { grid-column: span 2; flex-direction: row; align-items: center; gap: 22px; }
.sd--bleed .sd__mosaic .sd__benefit--wide .sd__benefit__ic { flex: 0 0 auto; }
.sd--bleed .sd__mosaic .sd__benefit--wide div { flex: 1; }
.sd--bleed .sd__mosaic .sd__benefit--wide h4 { margin-top: 0; }

/* ============================================================
   OPCIÓN 3 — ORGÁNICO (blobs + solape)
   Título sobre blob/hex sutil. Video offset con stat-chips que
   solapan. Tarjetas que se expanden al hover, anchos mezclados.
   ============================================================ */
.sd--organic .sd__hero { position: relative; min-height: 600px; padding-top: 104px; }
.sd--organic .sd__blob--a { top: -80px; left: -120px; width: 460px; height: 460px; background: radial-gradient(circle at 40% 40%, rgba(14, 239, 218, 0.22), rgba(14, 239, 218, 0) 68%); }
.sd--organic .sd__blob--b { top: 120px; right: -100px; width: 520px; height: 520px; background: radial-gradient(circle at 60% 40%, rgba(0, 164, 209, 0.16), rgba(0, 164, 209, 0) 68%); }
.sd--organic .sd__hexwm { top: 60px; right: 80px; width: 320px; height: 280px; }
.sd--organic .sd__hero-copy { position: relative; z-index: 2; max-width: 720px; }
.sd--organic .sd__hero-cta { margin-top: 30px; position: relative; z-index: 2; }
.sd--organic .sd__eyebrow { margin-bottom: 22px; }
.sd--organic .sd__title { margin-bottom: 24px; }
.sd--organic .sd__lead { margin-bottom: 28px; margin-left: 2px; }
.sd--organic .sd__chips { margin-bottom: 0; }
.sd--organic .sd__herofloat {
  position: absolute; top: 150px; right: 76px; width: 260px; height: 320px; z-index: 3;
  border-radius: 140px 140px 18px 18px; overflow: hidden; box-shadow: var(--shadow-lg);
}
.sd--organic .sd__herofloat image-slot { width: 100%; height: 100%; }

.sd--organic .sd__videowrap { position: relative; padding: 96px 88px 40px; }
.sd--organic .sd__video { width: 800px; margin-left: auto; }
.sd--organic .sd__statchips { position: absolute; left: 88px; top: 150px; z-index: 4; display: flex; flex-direction: column; gap: 18px; }
.sd--organic .sd__stat {
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: 20px 24px; width: 240px; border: 1px solid var(--ul-border);
}
.sd--organic .sd__stat b { font-family: var(--font-display); font-weight: 700; font-size: 40px; line-height: 0.9; color: var(--ul-navy); display: block; }
.sd--organic .sd__stat span { font-size: 13px; color: var(--ul-muted); letter-spacing: 0.04em; }
.sd--organic .sd__stat--accent { background: var(--gradient-turquoise); border: none; }
.sd--organic .sd__stat--accent b, .sd--organic .sd__stat--accent span { color: var(--ul-navy-deep); }

.sd--organic .sd__resuelve { padding: 80px 88px 40px; max-width: 900px; position: relative; }
.sd--organic .sd__resuelve .sd__prose { max-width: 70ch; }

.sd--organic .sd__benefits { padding: 72px 88px 96px; }
.sd--organic .sd__benefits-head { margin-bottom: 48px; max-width: 560px; }
.sd--organic .sd__flow { display: flex; gap: 18px; align-items: stretch; }
.sd--organic .sd__flow .sd__benefit {
  flex: 1 1 0; background: #fff; border: 1px solid var(--ul-border); box-shadow: var(--shadow-md);
  padding: 28px 24px; overflow: hidden; transition: flex-grow var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow) var(--ease-out), background var(--dur-slow) var(--ease-out);
  display: flex; flex-direction: column;
}
.sd--organic .sd__flow .sd__benefit:nth-child(1) { flex-grow: 1.3; }
.sd--organic .sd__flow .sd__benefit:nth-child(2) { flex-grow: 0.85; }
.sd--organic .sd__flow .sd__benefit:nth-child(3) { flex-grow: 1.1; }
.sd--organic .sd__flow .sd__benefit:nth-child(4) { flex-grow: 0.95; }
.sd--organic .sd__flow .sd__benefit p { opacity: 0.72; transition: opacity var(--dur-slow) var(--ease-out); }
.sd--organic .sd__flow .sd__benefit:hover { flex-grow: 2.2; box-shadow: var(--shadow-lg); background: var(--ul-bg-tint); }
.sd--organic .sd__flow .sd__benefit:hover p { opacity: 1; }
.sd--organic .sd__flow .sd__benefit:hover .sd__benefit__ic { transform: scale(1.05); }
.sd--organic .sd__flow .sd__benefit__ic { transition: transform var(--dur-slow) var(--ease-out); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .sd__videoplay::after { animation: none; }
  .sd .sd__benefit, .sd__cta, .sd__video, .sd__videoplay { transition: none; }
}