:root {
  --seminar-ink: #11154a;
  --seminar-red: #9f1723;
  --seminar-lilac: #d9cfe9;
  --seminar-pink: #f4b7cd;
  --seminar-peach: #efc1ad;
  --seminar-paper: #f7efe6;
}

/* Sobreescribe el color del nav para esta página — elimina la banda violeta */
body.seminars-body {
  --nav-bg: #292666;
  background-clip: border-box;
}

.seminars-body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    linear-gradient(90deg, rgba(17,21,74,0.055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(17,21,74,0.045) 1px, transparent 1px),
    var(--seminar-paper);
  background-size: 64px 64px;
}

.seminars-main {
  color: var(--seminar-ink);
  isolation: isolate;
}

.seminars-body .fade-in-section {
  opacity: 1;
  transform: none;
}

/* ── Hero ── */
.seminars-hero {
  position: relative;
  min-height: calc(78vh - var(--nav-h));
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(420px, 1fr);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(236,77,132,0.42) 1px, transparent 1px),
    linear-gradient(0deg, rgba(236,77,132,0.35) 1px, transparent 1px),
    var(--seminar-lilac);
  background-size: 92px 92px;
}

.seminars-hero::before,
.seminars-hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

.seminars-hero::before {
  right: -35vw;
  top: 11vh;
  width: 52vw;
  height: 62vh;
  background: rgba(244,183,205,0.82);
  clip-path: polygon(24% 0, 100% 7%, 88% 96%, 0 84%);
}

.seminars-hero::after {
  display: none;
}

.seminars-hero__photo {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  background: var(--seminar-ink);
}

.seminars-hero__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17,21,74,0.52), rgba(17,21,74,0.08) 55%, rgba(17,21,74,0.38)),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.08) 0 1px, transparent 1px 19px);
  mix-blend-mode: multiply;
}

.seminars-hero__photo img {
  width: 100%;
  height: 100%;
  min-height: calc(78vh - var(--nav-h));
  object-fit: cover;
  object-position: 70% center;
  filter: saturate(0.92) contrast(1.04);
}

.seminars-hero__copy {
  position: relative;
  z-index: 2;
  align-self: end;
  padding: clamp(1.5rem, 3.2vw, 3.2rem);
  display: grid;
  justify-items: start;
}

.seminars-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  margin: 0 0 1.1rem;
  color: var(--seminar-ink);
  font-size: clamp(0.98rem, 1.1vw, 1.16rem);
  font-weight: 900;
  letter-spacing: 0.13em;
  line-height: 1.2;
  text-transform: uppercase;
}

.seminars-eyebrow::before {
  content: "";
  width: 3rem;
  height: 2px;
  background: currentColor;
}

.seminars-announce {
  margin: 0 0 0.85rem;
  color: var(--seminar-red);
  font-size: clamp(1.5rem, 2.8vw, 2.8rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: 0.13em;
}

.seminars-hero h1 {
  margin: 0;
  max-width: min(100%, 560px);
  padding: clamp(0.62rem, 1.1vw, 0.9rem) clamp(0.85rem, 1.6vw, 1.35rem);
  color: var(--seminar-ink);
  background: var(--seminar-pink);
  border: 1px solid rgba(17,21,74,0.08);
  font-size: clamp(1.65rem, 2.7vw, 3.05rem);
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 14px 14px 0 rgba(17,21,74,0.08);
}

.seminars-hero__copy > p:not(.seminars-eyebrow):not(.seminars-announce) {
  max-width: 740px;
  margin: clamp(0.9rem, 1.6vw, 1.3rem) 0 0;
  color: rgba(17,21,74,0.86);
  font-size: clamp(1.08rem, 1.38vw, 1.28rem);
  line-height: 1.58;
  font-weight: 760;
}

.seminars-switcher {
  width: min(760px, 100%);
  margin-top: clamp(1rem, 1.8vw, 1.6rem);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  overflow: visible;
}

.seminars-switcher a {
  position: relative;
  min-height: 4.2rem;
  padding: 0.8rem 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  color: var(--seminar-ink);
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(17,21,74,0.14);
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1.15;
  text-transform: uppercase;
  white-space: normal;
  overflow-wrap: normal;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.seminars-switcher a::after {
  display: none;
}

.seminars-switcher span {
  color: var(--seminar-red);
  font-size: 1.15rem;
}

.seminars-switcher a.is-active {
  color: #fff;
  background: var(--seminar-ink);
}

.seminars-switcher a:hover {
  color: #fff;
  background: var(--seminar-ink);
  transform: translateY(-3px);
}

.seminars-switcher a:hover span,
.seminars-switcher a.is-active span {
  color: var(--seminar-pink);
}

/* ── Poster stack ── */
.seminars-poster-stack {
  padding: clamp(1.3rem, 2.8vw, 3rem) clamp(1rem, 2.5vw, 2.5rem);
  display: grid;
  gap: clamp(1.5rem, 3vw, 3rem);
}

.seminar-poster {
  position: relative;
  min-height: min(680px, calc(78vh - 1rem));
  padding: clamp(0.9rem, 1.8vw, 1.8rem);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.68fr);
  grid-template-rows: auto auto 1fr auto;
  gap: clamp(0.8rem, 1.6vw, 1.4rem);
  color: var(--seminar-ink);
  border: 1px solid rgba(17,21,74,0.1);
  box-shadow: 0 20px 52px rgba(17,21,74,0.16);
  scroll-margin-top: calc(var(--nav-h) + 2rem);
  overflow: hidden;
}

.seminar-poster::before,
.seminar-poster::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.seminar-poster::before {
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17,21,74,0.1) 1px, transparent 1px),
    linear-gradient(0deg, rgba(17,21,74,0.08) 1px, transparent 1px);
  background-size: 72px 72px;
}

.seminar-poster::after {
  display: none;
}

.seminar-poster--peach {
  background:
    radial-gradient(circle at 88% 86%, rgba(255,255,255,0.7), transparent 16%),
    linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0)),
    var(--seminar-peach);
}

.seminar-poster--lilac {
  background:
    radial-gradient(circle at 16% 12%, rgba(255,255,255,0.62), transparent 18%),
    linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0)),
    var(--seminar-lilac);
}

.seminar-poster > * {
  position: relative;
  z-index: 1;
}

.seminar-poster__media {
  grid-column: 1 / 2;
  grid-row: 2 / 3;
  align-self: center;
  overflow: hidden;
  border: 5px solid rgba(255,255,255,0.78);
  box-shadow: 8px 8px 0 rgba(17,21,74,0.12);
}

.seminar-poster__media img {
  width: 100%;
  height: clamp(200px, 24vw, 320px);
  object-fit: cover;
  filter: saturate(0.98) contrast(1.03);
}

.seminar-poster--peach .seminar-poster__media img {
  object-position: center;
}

.seminar-poster--lilac .seminar-poster__media img {
  object-position: 76% center;
}

.seminar-poster__headline {
  grid-column: 1 / -1;
  grid-row: 1 / 2;
  max-width: 100%;
  align-self: start;
  margin-bottom: clamp(0.3rem, 0.9vw, 0.8rem);
}

.seminar-poster__headline p {
  margin: 0 0 0.4rem;
  color: var(--seminar-ink);
  font-size: clamp(0.96rem, 1.4vw, 1.3rem);
  font-style: italic;
  font-weight: 800;
  text-align: center;
}

.seminar-poster__headline h2 {
  margin: 0;
  color: var(--seminar-ink);
  font-size: clamp(1.75rem, 3.4vw, 3.8rem);
  line-height: 1.04;
  font-weight: 900;
  text-align: center;
  letter-spacing: 0;
}

.seminar-poster__body {
  grid-column: 1 / 2;
  grid-row: 3 / 4;
  align-self: end;
  max-width: 780px;
  display: grid;
  gap: 0.7rem;
  color: rgba(17,21,74,0.9);
  font-size: clamp(0.92rem, 1vw, 1rem);
  line-height: 1.55;
  font-weight: 650;
}

.seminar-poster__audience,
.seminar-poster__subtitle {
  margin: 0;
  padding: 0.75rem 0.9rem;
  background: rgba(255,255,255,0.38);
  border-left: 4px solid var(--seminar-red);
  font-weight: 900;
}

.seminar-poster__body p {
  margin: 0;
}

.seminar-poster__program {
  grid-column: 2 / 3;
  grid-row: 2 / 4;
  align-self: center;
  padding: clamp(0.9rem, 1.5vw, 1.4rem);
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(17,21,74,0.13);
  box-shadow: -8px 8px 0 rgba(159,23,35,0.09);
  backdrop-filter: blur(8px);
}

.seminar-poster__program h3 {
  margin: 0 0 0.7rem;
  color: var(--seminar-red);
  font-size: clamp(1.15rem, 1.8vw, 2rem);
  line-height: 0.96;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.seminar-poster__program ul {
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.seminar-poster__program li {
  position: relative;
  padding-left: 1rem;
  color: rgba(17,21,74,0.86);
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1.35;
}

.seminar-poster__program li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 0.38rem;
  height: 0.38rem;
  background: var(--seminar-red);
  transform: rotate(45deg);
}

.seminar-poster__cta {
  grid-column: 1 / -1;
  grid-row: 4 / 5;
  justify-self: end;
  align-self: start;
  padding: 0.72rem 0.95rem;
  color: #fff;
  background: var(--seminar-ink);
  border: 1px solid rgba(17,21,74,0.12);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease;
}

.seminar-poster__cta:hover {
  background: var(--seminar-red);
  transform: translateY(-3px);
}

/* ── Contact / Final ── */
.seminars-final {
  position: relative;
  margin: 0 clamp(1rem, 4vw, 4rem) clamp(2rem, 4vw, 4rem);
  padding: clamp(1.4rem, 2.5vw, 2.2rem);
  color: #fff8f4;
  background:
    linear-gradient(108deg, rgba(159,23,35,0.92) 0 0.45rem, transparent 0.45rem 100%),
    radial-gradient(circle at 88% 18%, rgba(244,183,205,0.28), transparent 22rem),
    linear-gradient(90deg, rgba(247,239,230,0.11) 1px, transparent 1px),
    linear-gradient(0deg, rgba(247,239,230,0.08) 1px, transparent 1px),
    linear-gradient(135deg, #11154a 0%, #1c1a58 52%, #2b286c 100%);
  background-size: auto, auto, 74px 74px, 74px 74px, auto;
  border: 1px solid rgba(244,183,205,0.32);
  overflow: hidden;
}

.seminars-final::before {
  content: "";
  position: absolute;
  right: clamp(1rem, 6vw, 5.5rem);
  top: -8%;
  width: clamp(6rem, 16vw, 14rem);
  height: 118%;
  background: rgba(239,193,173,0.86);
  clip-path: polygon(24% 0, 100% 0, 76% 100%, 0 100%);
  opacity: 0.18;
  pointer-events: none;
}

.seminars-final > * {
  position: relative;
  z-index: 1;
}

.seminars-final .seminars-eyebrow {
  color: var(--seminar-peach);
}

.seminars-final h2 {
  margin: 0;
  max-width: 920px;
  color: var(--seminar-pink);
  font-size: clamp(1.3rem, 2.2vw, 2.4rem);
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: lowercase;
}

.seminars-final p:not(.seminars-eyebrow) {
  max-width: 640px;
  margin: 0.85rem 0 0;
  color: rgba(255,248,244,0.88);
  font-size: 0.97rem;
  line-height: 1.55;
  font-weight: 750;
}

.seminars-final__actions {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.seminars-final__actions a {
  padding: 0.72rem 0.95rem;
  color: var(--seminar-ink);
  background: var(--seminar-peach);
  border: 1px solid rgba(239,193,173,0.7);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.seminars-final__actions a:hover {
  color: #fff;
  background: var(--seminar-red);
  transform: translateY(-3px);
}

.seminars-final__actions a + a {
  color: #fff8f4;
  background: rgba(255,255,255,0.08);
  border-color: rgba(244,183,205,0.38);
}

.seminars-final__actions a + a:hover {
  color: var(--seminar-ink);
  background: var(--seminar-pink);
}

/* ── Nav mobile overrides (seminarios) ── */
@media (max-width: 1279px) {
  .seminars-body nav .nav-logo {
    order: 2;
  }
  .seminars-body nav .flex.justify-between > .flex.items-center {
    order: 1;
  }

  .seminars-body .nav-toggle-btn {
    color: var(--seminar-peach);
  }
  .seminars-body .nav-toggle-btn:hover {
    background: rgba(239, 193, 173, 0.14);
  }

  .seminars-body .nav-mobile-menu {
    background: var(--seminar-ink);
    z-index: 200;
  }
}

/* ── Breakpoint 1080px ── */
@media (max-width: 1080px) {
  .seminars-hero {
    grid-template-columns: 1fr;
  }

  .seminars-hero__photo {
    min-height: 40vh;
  }

  .seminars-hero__photo img {
    min-height: 40vh;
  }

  .seminars-hero::after {
    left: auto;
    right: 16vw;
  }

  .seminar-poster {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .seminar-poster__headline,
  .seminar-poster__media,
  .seminar-poster__body,
  .seminar-poster__program,
  .seminar-poster__cta {
    grid-column: 1;
    grid-row: auto;
  }

  .seminar-poster__cta {
    justify-self: start;
    order: 5;
  }
}

/* ── Breakpoint 640px ── */
@media (max-width: 640px) {
  .seminars-body nav .px-8 {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .seminars-body .nav-logo-img {
    width: auto;
    height: 100%;
  }

  .seminars-hero::before {
    top: 0.8rem;
    right: -8vw;
    width: 28vw;
    height: 12vh;
    opacity: 0.42;
  }

  .seminars-hero::after {
    display: none;
  }

  .seminars-hero__copy {
    padding: 1.75rem 1rem 2.2rem;
  }

  .seminars-announce {
    font-size: clamp(1.4rem, 8vw, 2.2rem);
    letter-spacing: 0.1em;
  }

  .seminars-hero h1 {
    width: auto;
    max-width: 86%;
    padding: 0.62rem 0.75rem;
    font-size: clamp(1.55rem, 7.8vw, 2.25rem);
    letter-spacing: 0.03em;
  }

  .seminars-eyebrow {
    font-size: clamp(0.88rem, 3.7vw, 1rem);
  }

  .seminars-hero__copy > p:not(.seminars-eyebrow):not(.seminars-announce) {
    font-size: clamp(1.03rem, 4.2vw, 1.18rem);
    line-height: 1.5;
  }

  .seminars-switcher {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
  }

  .seminars-switcher a {
    min-height: 4.2rem;
    padding: 0.8rem 0.85rem;
    font-size: 0.82rem;
  }

  .seminars-poster-stack {
    padding-inline: 0.75rem;
  }

  .seminar-poster {
    min-height: auto;
    padding: 0.8rem;
  }

  .seminar-poster__headline h2 {
    font-size: clamp(1.7rem, 8.5vw, 2.6rem);
  }

  .seminar-poster__headline p {
    text-align: left;
  }

  .seminar-poster__headline h2 {
    text-align: left;
  }

  .seminar-poster__media {
    border-width: 4px;
  }

  .seminar-poster__media img {
    height: 210px;
  }

  .seminar-poster__program,
  .seminar-poster__body {
    font-size: 0.88rem;
  }

  .seminar-poster__cta,
  .seminars-final__actions a {
    width: 100%;
    text-align: center;
  }

  .seminars-final {
    margin-inline: 0.75rem;
    padding: 1.25rem;
  }
}