/* Landing detalle seminario — estructura tipo masterclass, marca CEO Academy */
.sdl-page {
  --sdl-navy: #1a264c;
  --sdl-navy-2: #223161;
  --sdl-navy-deep: #0f1b38;
  --sdl-cyan: #39aae6;
  --sdl-gold: #eab818;
  --sdl-gold-2: #df9b1b;
  --sdl-ink: #12203f;
  --sdl-muted: #5c6b8a;
  --sdl-line: #d5def0;
  --sdl-bg: #f4f7ff;
  --sdl-white: #ffffff;
  --sdl-radius: 18px;
  --sdl-font: "Poppins", system-ui, sans-serif;
  --sdl-display: "Noto Serif", Georgia, serif;
  background: var(--sdl-bg);
  color: var(--sdl-ink);
  font-family: var(--sdl-font);
}

.sdl-wrap {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.sdl-section {
  padding: 4.5rem 0;
}

.sdl-section__title {
  font-family: var(--sdl-display);
  font-size: clamp(1.55rem, 2.6vw, 2.15rem);
  line-height: 1.2;
  color: var(--sdl-navy);
  margin: 0 0 1rem;
  font-weight: 700;
}

.sdl-section__title--center {
  text-align: center;
  margin-bottom: 2rem;
}

.sdl-center {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

/* CTA */
.sdl-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 3.05rem;
  padding: 0.85rem 1.55rem;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--sdl-gold) 0%, var(--sdl-gold-2) 100%);
  color: #1a1a1a;
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(234, 184, 24, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  cursor: pointer;
}

.sdl-cta:hover,
.sdl-cta:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.03);
  color: #111;
  box-shadow: 0 14px 32px rgba(234, 184, 24, 0.36);
}

.sdl-cta--block {
  width: 100%;
}

.sdl-cta--xl {
  min-height: 3.4rem;
  padding-inline: 2rem;
  font-size: 1.05rem;
}

.sdl-cta--sm {
  min-height: 2.55rem;
  padding: 0.55rem 1.1rem;
  font-size: 0.88rem;
  border-radius: 10px;
}

.sdl-cta--ghost-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: none;
  margin-top: 1.25rem;
}

.sdl-cta--ghost-light:hover,
.sdl-cta--ghost-light:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  box-shadow: none;
}

.sdl-urgency {
  margin: 0.75rem 0 0;
  color: var(--sdl-gold-2);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Hero */
.sdl-hero {
  position: relative;
  overflow: hidden;
  padding: 3.5rem 0 3rem;
  color: #fff;
  background: linear-gradient(145deg, var(--sdl-navy-deep) 0%, var(--sdl-navy) 48%, #1e4f7a 100%);
}

.sdl-hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 50% at 85% 20%, rgba(57, 170, 230, 0.28), transparent 60%),
    radial-gradient(ellipse 40% 45% at 10% 80%, rgba(234, 184, 24, 0.12), transparent 55%);
  pointer-events: none;
}

.sdl-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: start;
}

.sdl-kicker {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
}

.sdl-kicker__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sdl-gold);
}

.sdl-hero__title {
  font-family: var(--sdl-display);
  font-size: clamp(2rem, 4.2vw, 3.15rem);
  line-height: 1.12;
  margin: 0 0 1rem;
  font-weight: 700;
  max-width: 18ch;
}

.sdl-hero__lead {
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.88);
  max-width: 38ch;
}

.sdl-hero__perks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.sdl-hero__perks li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
}

.sdl-hero__perks i {
  color: var(--sdl-cyan);
}

.sdl-form-card {
  background: rgba(15, 27, 56, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--sdl-radius);
  padding: 1.5rem 1.35rem 1.35rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.28);
  scroll-margin-top: 5.5rem;
}

.sdl-form-card__title {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
}

.sdl-form-card__sub {
  margin: 0 0 1.15rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.72);
}

.sdl-form {
  display: grid;
  gap: 0.75rem;
}

.sdl-field {
  display: grid;
  gap: 0.3rem;
}

.sdl-field span {
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
}

.sdl-field input {
  width: 100%;
  min-height: 2.7rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  padding: 0.55rem 0.8rem;
  font: inherit;
}

.sdl-field input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.sdl-field input:focus {
  outline: 2px solid var(--sdl-cyan);
  outline-offset: 1px;
  border-color: transparent;
}

.sdl-form-card__hint {
  margin: 0.35rem 0 0;
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.55);
}

/* Meta / countdown */
.sdl-meta {
  background: var(--sdl-navy-2);
  color: #fff;
  padding: 1.1rem 0;
}

.sdl-meta__inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  align-items: center;
}

.sdl-meta__item {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
}

.sdl-meta__item i {
  color: var(--sdl-cyan);
  margin-top: 0.2rem;
}

.sdl-meta__label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.15rem;
}

.sdl-meta__item strong {
  font-size: 0.92rem;
  font-weight: 600;
}

.sdl-meta__countdown {
  justify-self: end;
}

.sdl-meta__countdown--solo {
  margin: 1.25rem auto 1.5rem;
  justify-self: center;
  text-align: center;
}

.sdl-timer {
  display: flex;
  gap: 0.45rem;
}

.sdl-timer > div {
  min-width: 3.1rem;
  padding: 0.4rem 0.35rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  text-align: center;
}

.sdl-timer strong {
  display: block;
  font-size: 1.1rem;
  font-variant-numeric: tabular-nums;
  color: var(--sdl-gold);
}

.sdl-timer span {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.55);
}

/* Value */
.sdl-value {
  background: var(--sdl-white);
}

.sdl-value__grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2.5rem;
  align-items: center;
}

.sdl-value__media img {
  width: 100%;
  height: auto;
  border-radius: var(--sdl-radius);
  display: block;
  box-shadow: 0 18px 40px rgba(26, 38, 76, 0.12);
}

.sdl-value__copy p {
  margin: 0 0 1.35rem;
  color: var(--sdl-muted);
  line-height: 1.65;
  font-size: 1.02rem;
}

/* Learn */
.sdl-learn {
  background: linear-gradient(180deg, #eef3ff 0%, var(--sdl-bg) 100%);
}

.sdl-learn__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.sdl-checklist {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.sdl-checklist li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  line-height: 1.45;
  color: var(--sdl-ink);
}

.sdl-checklist i {
  flex: 0 0 auto;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(57, 170, 230, 0.15);
  color: var(--sdl-cyan);
  font-size: 0.7rem;
  margin-top: 0.1rem;
}

.sdl-instructor {
  margin: 0;
  text-align: center;
}

.sdl-instructor img,
.sdl-instructor__placeholder {
  width: min(100%, 320px);
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50% 50% 18% 50%;
  margin: 0 auto 1rem;
  display: block;
  box-shadow: 0 20px 40px rgba(26, 38, 76, 0.18);
  border: 4px solid #fff;
}

.sdl-instructor__placeholder {
  background: linear-gradient(145deg, var(--sdl-navy), var(--sdl-cyan));
  color: rgba(255, 255, 255, 0.85);
  font-size: 4rem;
  display: grid;
  place-items: center;
}

.sdl-instructor figcaption strong {
  display: block;
  font-size: 1.1rem;
  color: var(--sdl-navy);
}

.sdl-instructor figcaption span {
  display: block;
  margin-top: 0.2rem;
  color: var(--sdl-cyan);
  font-size: 0.9rem;
  font-weight: 600;
}

.sdl-instructor figcaption p {
  margin: 0.65rem auto 0;
  max-width: 32ch;
  color: var(--sdl-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Takeaways */
.sdl-takeaways {
  background: var(--sdl-navy-deep);
  color: #fff;
}

.sdl-takeaways .sdl-section__title {
  color: #fff;
}

.sdl-takeaways__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.sdl-takeaway {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 1.25rem 1.2rem 1.35rem;
}

.sdl-takeaway__num {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sdl-cyan), #2a7eb8);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.sdl-takeaway h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: #fff;
}

.sdl-takeaway p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
  font-size: 0.92rem;
}

/* Cert */
.sdl-cert {
  background: var(--sdl-white);
}

.sdl-cert__box {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
  padding: 2rem;
  border: 1px solid var(--sdl-line);
  border-radius: 22px;
  background: linear-gradient(135deg, #fff 0%, #eef5ff 100%);
}

.sdl-cert__copy p {
  margin: 0 0 1.35rem;
  color: var(--sdl-muted);
  line-height: 1.6;
}

.sdl-cert__card {
  min-height: 220px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--sdl-line);
  box-shadow: 0 16px 36px rgba(26, 38, 76, 0.1);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.55rem;
  position: relative;
  overflow: hidden;
}

.sdl-cert__card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  background: linear-gradient(90deg, var(--sdl-navy), var(--sdl-cyan), var(--sdl-gold));
}

.sdl-cert__brand {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sdl-cyan);
}

.sdl-cert__card strong {
  font-family: var(--sdl-display);
  font-size: 1.35rem;
  color: var(--sdl-navy);
}

.sdl-cert__card em {
  font-style: normal;
  color: var(--sdl-muted);
  font-size: 0.92rem;
}

/* Audience */
.sdl-audience__inner {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

.sdl-audience__text {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--sdl-muted);
}

.sdl-audience__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  text-align: left;
}

.sdl-audience__list li {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--sdl-line);
  color: var(--sdl-ink);
}

/* Precio en la tarjeta de reserva */
.sdl-form-card__price {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0 0 1rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.85rem;
}

.sdl-form-card__price strong {
  color: var(--sdl-gold);
  font-size: 1.35rem;
  font-weight: 700;
}

/* Close */
.sdl-close {
  background: linear-gradient(160deg, var(--sdl-navy-deep), var(--sdl-navy-2));
  color: #fff;
  text-align: center;
}

.sdl-close .sdl-close__title {
  color: #fff;
  font-family: var(--sdl-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin: 0 0 0.75rem;
}

.sdl-close__lead {
  margin: 0 auto 0.5rem;
  max-width: 42ch;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.55;
}

.sdl-close .sdl-meta__label {
  color: rgba(255, 255, 255, 0.55);
}

/* Sticky CTA #7 */
.sdl-sticky {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  background: rgba(15, 27, 56, 0.94);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 0.65rem 0;
}

.sdl-sticky__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.sdl-sticky__title {
  margin: 0;
  color: #fff;
  font-size: 0.92rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .sdl-hero__grid,
  .sdl-value__grid,
  .sdl-learn__grid,
  .sdl-cert__box {
    grid-template-columns: 1fr;
  }

  .sdl-hero__title {
    max-width: none;
  }

  .sdl-meta__inner {
    grid-template-columns: 1fr 1fr;
  }

  .sdl-meta__countdown {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .sdl-takeaways__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .sdl-section {
    padding: 3.25rem 0;
  }

  .sdl-meta__inner {
    grid-template-columns: 1fr;
  }

  .sdl-sticky__title {
    display: none;
  }

  .sdl-sticky__inner {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sdl-cta {
    transition: none;
  }
}