:root {
  --negro: #000000;
  --negro-2: #090707;
  --morado: #6D28D9;
  --morado-2: #8B45F5;
  --blanco: #FFFFFF;
}

.landing-body {
  margin: 0;
  background: var(--negro);
  color: var(--blanco);
  font-family: "Antic Slab", serif;
  scroll-behavior: smooth;
}

.landing-shell {
  width: min(100% - 48px, 1180px);
  margin: 0 auto;
}

.landing-logo {
  margin: 0;
  font-family: "Anton SC", sans-serif;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  color: var(--negro);
  letter-spacing: 1px;
  line-height: 1;
  animation: land-fade-up 0.7s ease both;
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.08);
}

/* ===== HEADER / HERO ===== */
.landing-header {
  position: relative;
  overflow: hidden;
  padding: 0 0 64px;
  background:
    radial-gradient(circle at 78% 58%, rgba(139, 69, 245, 0.18), transparent 42%),
    radial-gradient(circle at 12% 70%, rgba(109, 40, 217, 0.12), transparent 40%),
    var(--negro);
}

.landing-nav-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(90deg, #7c3aed, #8B45F5 40%, #6D28D9);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.landing-header::after {
  content: "";
  position: absolute;
  inset: 88px 0 0;
  opacity: 0.22;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E"),
    radial-gradient(circle at 20% 30%, rgba(139, 69, 245, 0.08) 0 2px, transparent 3px),
    radial-gradient(circle at 70% 60%, rgba(139, 69, 245, 0.06) 0 1px, transparent 2px);
  background-size: 160px 160px, 48px 48px, 36px 36px;
  pointer-events: none;
  z-index: 0;
}

.landing-nav,
.hero-grid,
.staff-grid,
.activities-grid {
  position: relative;
  z-index: 1;
}

.landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 88px;
  margin-bottom: 0;
}

.landing-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  animation: land-fade-up 0.7s ease 0.08s both;
}

.lang-toggle-landing {
  background: var(--negro);
  color: var(--blanco);
  border: none;
  border-radius: 999px;
  padding: 8px 16px;
  font-family: "Anton SC", sans-serif;
  letter-spacing: 1px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lang-toggle-landing:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.btn-login {
  background: var(--negro);
  color: var(--blanco);
  border: none;
  border-radius: 50px;
  padding: 10px 28px;
  font-family: "Anton SC", sans-serif;
  letter-spacing: 1px;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn-login:hover {
  color: var(--blanco);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.4);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
  padding-top: 36px;
}

.hero-copy {
  padding: clamp(12px, 2vw, 24px) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  animation: land-fade-up 0.8s ease 0.12s both;
}

.text-violet {
  margin: 0 0 14px;
  color: var(--morado-2);
  font-family: "Anton SC", sans-serif;
  font-size: 1.15rem;
  letter-spacing: 2px;
}

.hero-title {
  margin: 0;
  font-family: "Anton SC", sans-serif;
  font-size: clamp(2.1rem, 4.8vw, 3.7rem);
  line-height: 1.08;
  color: var(--blanco);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.sub-texto {
  margin: 20px 0 30px;
  font-family: "Antic Slab", serif;
  font-size: 1.05rem;
  text-decoration: underline;
  text-underline-offset: 4px;
  color: rgba(255, 255, 255, 0.92);
}

.btn-unite {
  align-self: flex-start;
  background: var(--morado);
  color: var(--blanco);
  border: 2px solid var(--blanco);
  border-radius: 50px;
  padding: 12px 34px;
  font-family: "Anton SC", sans-serif;
  letter-spacing: 1.5px;
  text-decoration: none;
  display: inline-block;
  box-shadow: 0 10px 28px rgba(109, 40, 217, 0.35);
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.btn-unite:hover {
  background: var(--morado-2);
  color: var(--blanco);
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(139, 69, 245, 0.55);
}

.hero-media {
  display: flex;
  justify-content: center;
  animation: land-fade-up 0.9s ease 0.2s both;
}

.img-portada {
  width: min(100%, 430px);
  height: clamp(420px, 58vh, 560px);
  object-fit: cover;
  display: block;
  border-radius: 120px;
  border: 5px solid var(--morado-2);
  box-shadow:
    0 0 0 8px rgba(139, 69, 245, 0.18),
    0 18px 50px rgba(0, 0, 0, 0.55),
    0 0 40px rgba(139, 69, 245, 0.35);
}

/* ===== STAFF ===== */
.staff-section {
  position: relative;
  padding: 80px 0;
  background:
    radial-gradient(ellipse at 18% 70%, rgba(109, 40, 217, 0.38), transparent 48%),
    radial-gradient(ellipse at 88% 25%, rgba(139, 69, 245, 0.24), transparent 42%),
    var(--negro-2);
  overflow: hidden;
}

.staff-section::before,
.staff-section::after {
  content: "";
  position: absolute;
  width: 240px;
  height: 130%;
  top: -15%;
  background: linear-gradient(90deg, transparent, rgba(139, 69, 245, 0.55), transparent);
  transform: skewX(-18deg);
  opacity: 0.5;
  pointer-events: none;
  filter: blur(1px);
}

.staff-section::before { left: -50px; }
.staff-section::after { right: -50px; }

.staff-title {
  margin: 0 0 42px;
  text-align: center;
  font-family: "Anton SC", sans-serif;
  font-size: clamp(2.3rem, 5vw, 3.5rem);
  letter-spacing: 2px;
  color: var(--blanco);
  position: relative;
  z-index: 1;
}

.staff-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 42px;
  align-items: center;
}

.staff-photo-wrap {
  display: flex;
  justify-content: center;
}

.staff-photo {
  width: min(100%, 480px);
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 999px;
  border: 3px solid rgba(139, 69, 245, 0.55);
  box-shadow: 0 0 48px rgba(109, 40, 217, 0.4);
}

.staff-copy h3 {
  margin: 0;
  font-family: "Anton SC", sans-serif;
  font-size: clamp(1.35rem, 2.5vw, 1.95rem);
  line-height: 1.18;
  color: var(--morado-2);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.sub-texto2 {
  margin: 18px 0 0;
  font-family: "Antic Didone", serif;
  font-size: 1.05rem;
  text-decoration: underline;
  text-underline-offset: 4px;
  color: rgba(255, 255, 255, 0.88);
}

/* ===== ACTIVITIES ===== */
.activities-section {
  padding: 72px 0 80px;
  background: var(--negro);
}

.activities-title {
  margin: 0 0 40px;
  text-align: center;
  font-family: "Anton SC", sans-serif;
  font-size: clamp(1.85rem, 4vw, 3.1rem);
  color: var(--morado);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.activities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.actividad-card {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  aspect-ratio: 1 / 1;
  background: #151515;
  border: 1px solid rgba(139, 69, 245, 0.15);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.actividad-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(109, 40, 217, 0.35);
}

.actividad-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.95) contrast(1.08);
  transition: transform 0.35s ease;
}

.actividad-card:hover img {
  transform: scale(1.06);
}

.actividad-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.2) 0%,
    rgba(0, 0, 0, 0.45) 45%,
    rgba(0, 0, 0, 0.75) 100%
  );
}

.actividad-card h3 {
  position: absolute;
  inset: 0;
  z-index: 1;
  margin: 0;
  display: grid;
  place-items: center;
  text-align: center;
  font-family: "Anton SC", sans-serif;
  font-size: clamp(1.15rem, 2.1vw, 1.65rem);
  letter-spacing: 1.5px;
  color: var(--blanco);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.85);
  padding: 12px;
  text-transform: uppercase;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 72px 0 80px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(109, 40, 217, 0.22), transparent 50%),
    var(--negro-2);
}

.faq-title {
  margin: 0 0 36px;
  text-align: center;
  font-family: "Anton SC", sans-serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  letter-spacing: 2px;
  color: var(--blanco);
}

.faq-list {
  width: min(100%, 820px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid rgba(139, 69, 245, 0.28);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.45);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item[open] {
  border-color: rgba(139, 69, 245, 0.55);
  box-shadow: 0 10px 28px rgba(109, 40, 217, 0.2);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 52px 16px 18px;
  font-family: "Anton SC", sans-serif;
  letter-spacing: 0.6px;
  font-size: clamp(1rem, 2vw, 1.15rem);
  position: relative;
  color: var(--blanco);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--morado-2);
  font-size: 1.4rem;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 0;
  padding: 0 18px 18px;
  color: rgba(255, 255, 255, 0.78);
  font-family: "Antic Slab", serif;
  line-height: 1.45;
}

@keyframes land-fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-logo,
  .landing-nav-actions,
  .hero-copy,
  .hero-media,
  .actividad-card,
  .actividad-card img {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 991px) {
  .hero-grid,
  .staff-grid {
    grid-template-columns: 1fr;
  }

  .img-portada {
    width: min(100%, 360px);
    height: 440px;
    border-radius: 100px;
  }

  .activities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .landing-shell {
    width: min(100% - 24px, 1180px);
  }

  .landing-header::after {
    inset: 72px 0 0;
  }

  .landing-nav {
    flex-wrap: nowrap;
    min-height: 72px;
    gap: 8px;
  }

  .landing-logo {
    font-size: 1.7rem;
  }

  .landing-nav-actions {
    gap: 8px;
  }

  .lang-toggle-landing,
  .btn-login {
    padding: 8px 12px;
    font-size: 0.78rem;
  }

  .hero-grid {
    padding-top: 22px;
    gap: 22px;
  }

  .img-portada {
    width: min(100%, 320px);
    height: 300px;
    border-radius: 72px;
  }

  .activities-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .staff-section,
  .activities-section,
  .faq-section {
    padding: 48px 0;
  }

  .faq-item summary {
    padding: 14px 44px 14px 14px;
  }
}