/* ============================================================
   Universal Learning — Página de solución (plantilla)
   Estilos específicos. Reusa ul-tokens.css + landing.css.
   ============================================================ */

/* ---------- Breadcrumb ---------- */
.sp-crumb { display: inline-flex; align-items: center; gap: 8px; }
.sp-crumb a {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-weight: 700; font-size: 16px;
  text-transform: none; letter-spacing: 0.14em;
  color: var(--ul-turquoise); text-decoration: none;
  transition: color var(--dur-base) var(--ease-out), gap var(--dur-base) var(--ease-out);
}
.sp-crumb a svg { width: 16px; height: 16px; transform: rotate(180deg); }
.sp-crumb a:hover { gap: 12px; color: #fff; }

/* ---------- Hero ---------- */
.sp-hero {
  position: relative; overflow: hidden; color: #fff;
  background: var(--gradient-navy-radial);
  padding: 26px 0 64px;
}
@media (min-width: 880px) { .sp-hero { padding: 32px 0 92px; } }

.sp-hero__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr; gap: 40px;
  margin-top: 34px; align-items: center;
}
@media (min-width: 980px) {
  .sp-hero__grid { grid-template-columns: 1.05fr 0.95fr; gap: 60px; }
}

.sp-hero .eyebrow { color: var(--ul-turquoise); }
.sp-hero .eyebrow::before { background: var(--ul-turquoise); }
.sp-hero h1 {
  color: #fff;
  font-family: var(--font-display); font-weight: 700; text-transform: none;
  font-size: clamp(38px, 5.4vw, 66px); line-height: 1.02; letter-spacing: 0;
  margin: 16px 0 0;
}
.sp-hero__lead {
  color: rgba(255,255,255,0.8); font-size: clamp(20px, 1.25vw, 22px);
  line-height: 1.62; margin: 22px 0 0; max-width: 48ch;
}

.sp-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.sp-chip {
  font-family: var(--font-body); font-size: 16px; font-weight: 600;
  text-transform: none; letter-spacing: 0.1em; color: var(--ul-turquoise);
  border: 1px solid rgba(14,239,218,0.35); background: rgba(14,239,218,0.08);
  border-radius: var(--radius-pill); padding: 7px 16px;
}
.sp-hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

/* ---------- Hero media panel ---------- */
.sp-media {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 16 / 11; background: #0a0030;
  border: 1px solid rgba(14,239,218,0.28);
  box-shadow: var(--shadow-glow-blue);
}
.sp-media image-slot { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.sp-media__scrim {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(180deg, rgba(10,0,48,0.22) 0%, rgba(10,0,48,0.62) 100%);
}
.sp-media__play { position: absolute; inset: 0; z-index: 3; display: flex; align-items: center; justify-content: center; pointer-events: none; }
.sp-media__play span {
  width: 76px; height: 76px; border-radius: 50%;
  background: var(--gradient-turquoise); color: var(--ul-navy-deep);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-glow-turquoise);
}
.sp-media__play svg { width: 30px; height: 30px; margin-left: 4px; }
.sp-media__label {
  position: absolute; left: 18px; bottom: 16px; z-index: 3;
  font-family: var(--font-body); font-weight: 700; font-size: 15px;
  letter-spacing: 0.16em; text-transform: none; color: rgba(255,255,255,0.82);
}

/* ---------- Split: ¿Qué resuelve? / ¿Por qué con UL? ---------- */
.sp-split { display: grid; grid-template-columns: 1fr; gap: 48px; }
@media (min-width: 980px) { .sp-split { grid-template-columns: 1fr 1fr; gap: 72px; } }
.sp-split h2 {
  font-family: var(--font-display); font-weight: 700; text-transform: none;
  font-size: clamp(30px, 3.4vw, 44px); line-height: 1.05; color: var(--ul-navy);
  margin: 14px 0 0;
}
.sp-prose p { color: var(--ul-slate); font-size: 22.5px; line-height: 1.72; margin: 18px 0 0; max-width: 54ch; }

.sp-benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 26px; }
@media (max-width: 560px) { .sp-benefits { grid-template-columns: 1fr; } }
.sp-benefit {
  background: #fff; border: 1px solid var(--ul-border); border-radius: var(--radius-lg);
  padding: 22px; box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.sp-benefit:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.sp-benefit__ic {
  width: 42px; height: 42px; border-radius: var(--radius-md);
  background: var(--gradient-turquoise); color: var(--ul-navy-deep);
  display: flex; align-items: center; justify-content: center;
}
.sp-benefit__ic svg { width: 22px; height: 22px; }
.sp-benefit h3 {
  font-family: var(--font-display); font-weight: 600; text-transform: none;
  font-size: 20px; letter-spacing: 0.02em; color: var(--ul-navy); margin: 14px 0 0;
}
.sp-benefit p { color: var(--ul-muted); font-size: 20px; line-height: 1.55; margin: 8px 0 0; }

/* ---------- Asistente / chat ---------- */
.sp-assistant { background: var(--ul-bg-soft); }
.sp-chat {
  max-width: 700px; margin: 36px auto 0; background: #fff;
  border: 1px solid var(--ul-border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); overflow: hidden;
}
.sp-chat__head { display: flex; align-items: center; gap: 12px; padding: 16px 20px; background: var(--gradient-navy-radial); color: #fff; }
.sp-chat__avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--gradient-turquoise); color: var(--ul-navy-deep); display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.sp-chat__avatar svg { width: 22px; height: 22px; }
.sp-chat__who b { font-family: var(--font-display); font-weight: 600; text-transform: none; letter-spacing: 0.04em; font-size: 18px; display: block; }
.sp-chat__who span { font-size: 18px; color: var(--ul-turquoise); display: inline-flex; align-items: center; gap: 6px; margin-top: 2px; }
.sp-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ul-turquoise); animation: sp-pulse 2.4s infinite; }
.sp-chat__body { padding: 22px 20px; display: flex; flex-direction: column; gap: 14px; min-height: 230px; max-height: 360px; overflow-y: auto; }
.sp-msg { max-width: 82%; padding: 12px 16px; border-radius: 16px; font-size: 20.5px; line-height: 1.52; }
.sp-msg--bot { align-self: flex-start; background: var(--ul-bg-soft); color: var(--ul-slate); border-bottom-left-radius: 4px; }
.sp-msg--user { align-self: flex-end; background: var(--ul-navy); color: #fff; border-bottom-right-radius: 4px; }
.sp-typing { display: inline-flex; gap: 4px; align-items: center; }
.sp-typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--ul-muted); animation: sp-bounce 1.2s infinite; }
.sp-typing i:nth-child(2) { animation-delay: 0.15s; }
.sp-typing i:nth-child(3) { animation-delay: 0.3s; }
.sp-chips-row { display: flex; flex-wrap: wrap; gap: 10px; padding: 4px 20px 8px; }
.sp-qchip { font-family: var(--font-body); font-size: 17px; border: 1px solid var(--ul-border-strong); border-radius: var(--radius-pill); padding: 9px 16px; background: #fff; color: var(--ul-navy); cursor: pointer; transition: border-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out); }
.sp-qchip:hover { border-color: var(--ul-turquoise); color: var(--ul-turquoise-dark); }
.sp-chat__input { display: flex; gap: 10px; padding: 14px 16px; border-top: 1px solid var(--ul-border); }
.sp-chat__input input { flex: 1; border: 1px solid var(--ul-border-strong); border-radius: var(--radius-pill); padding: 12px 18px; font-size: 20.5px; font-family: var(--font-body); color: var(--ul-slate); outline: none; transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out); }
.sp-chat__input input:focus { border-color: var(--ul-turquoise); box-shadow: 0 0 0 3px rgba(14,239,218,0.15); }
.sp-send { width: 46px; height: 46px; border-radius: 50%; border: none; background: var(--gradient-turquoise); color: var(--ul-navy-deep); cursor: pointer; flex: 0 0 auto; display: flex; align-items: center; justify-content: center; transition: filter var(--dur-base) var(--ease-out); }
.sp-send svg { width: 20px; height: 20px; }
.sp-send:hover { filter: brightness(1.07); }

/* ---------- CTA final ---------- */
.sp-finalcta { position: relative; overflow: hidden; color: #fff; text-align: center; background: var(--gradient-navy-radial); border-radius: var(--radius-xl); padding: 60px 28px; }
@media (min-width: 880px) { .sp-finalcta { padding: 72px 40px; } }
.sp-finalcta .eyebrow { color: var(--ul-turquoise); justify-content: center; }
.sp-finalcta .eyebrow::before { background: var(--ul-turquoise); }
.sp-finalcta h2 { color: #fff; font-family: var(--font-display); font-weight: 700; text-transform: none; font-size: clamp(32px, 4vw, 52px); line-height: 1.06; max-width: 22ch; margin: 14px auto 0; }
.sp-finalcta p { color: rgba(255,255,255,0.8); font-size: clamp(19px, 1.2vw, 21px); line-height: 1.6; margin: 18px auto 0; max-width: 56ch; }
.sp-finalcta__cta { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 34px; }

@keyframes sp-pulse { 0% { box-shadow: 0 0 0 0 rgba(14,239,218,0.5); } 70% { box-shadow: 0 0 0 8px rgba(14,239,218,0); } 100% { box-shadow: 0 0 0 0 rgba(14,239,218,0); } }
@keyframes sp-bounce { 0%, 60%, 100% { transform: translateY(0); opacity: 0.5; } 30% { transform: translateY(-4px); opacity: 1; } }