/* =========================================================
   VERDE NATIVO — Estilos Globales
   Paleta: #F1FFFF | #C8E8FF | #E6EB51 | #375A0A | #010101
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #F1FFFF;
  --blue-light: #C8E8FF;
  --accent:    #E6EB51;
  --green:     #375A0A;
  --dark:      #010101;
  --white:     #ffffff;
  --gray:      #6b7a6b;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;
  --max-w:     1200px;
  --radius:    10px;
  --shadow:    0 4px 20px rgba(55,90,10,0.10);
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--dark);
  line-height: 1.7;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Tipografía ── */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.2;
  color: var(--green);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
p  { margin-bottom: 1rem; }

/* ── Contenedor ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Secciones ── */
.section { padding: 5rem 0; }
.section--alt { background-color: var(--blue-light); }
.section--dark { background-color: var(--green); color: var(--bg); }
.section--dark h2, .section--dark h3 { color: var(--accent); }

.section-header { text-align: center; margin-bottom: 3rem; }
.section-header p { color: var(--gray); max-width: 600px; margin: 0.75rem auto 0; }

/* ── Botones ── */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-align: center;
}
.btn-primary {
  background: var(--accent);
  color: var(--green);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: transparent;
  color: var(--accent);
}
.btn-outline {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}
.btn-outline:hover {
  background: var(--green);
  color: var(--bg);
}
.btn-outline--light {
  background: transparent;
  color: var(--bg);
  border-color: var(--bg);
}
.btn-outline--light:hover {
  background: var(--bg);
  color: var(--green);
}

/* ── Etiquetas / badges ── */
.tag {
  display: inline-block;
  padding: 0.25rem 0.85rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--accent);
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tag--blue  { background: var(--blue-light); color: var(--green); }
.tag--green { background: var(--green); color: var(--bg); }

/* ── Divider decorativo ── */
.divider {
  width: 60px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin: 1rem auto;
}
.divider--left { margin-left: 0; }

/* ========================================================
   NAVEGACIÓN
   ======================================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(to right, #ffffff 25%, var(--green) 60%);
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.nav__logo img {
  height: 44px;
  width: auto;
}
.nav__logo-text {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--green);
  font-weight: 600;
  line-height: 1.1;
}
.nav__logo-sub {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  color: var(--gray);
  font-weight: 400;
  display: block;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav__links a {
  color: var(--bg);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: 50px;
  transition: var(--transition);
}
.nav__links a:hover,
.nav__links a.active {
  background: var(--accent);
  color: var(--green);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.25rem;
}
.nav__toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ========================================================
   BANNER DE ASTRONOMÍA
   ======================================================== */
.astro-banner {
  background: var(--dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.astro-banner__stars {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 55% 15%, rgba(255,255,255,0.9) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 45%, rgba(255,255,255,0.7) 0%, transparent 100%),
    radial-gradient(2px 2px at 85% 25%, rgba(230,235,81,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 92% 70%, rgba(255,255,255,0.8) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 15% 75%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 45% 85%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 65% 90%, rgba(200,232,255,0.7) 0%, transparent 100%),
    radial-gradient(2px 2px at 20% 40%, rgba(200,232,255,0.4) 0%, transparent 100%);
  pointer-events: none;
}

.astro-banner__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.astro-banner__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(230,235,81,0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.3rem 0.9rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.astro-banner__content h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3vw, 2rem);
  color: var(--white);
  margin-bottom: 0.5rem;
}

.astro-banner__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 0.75rem 0 1.25rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.75);
}

.astro-banner__meta span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.astro-banner__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.astro-banner__acts span {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.85);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.78rem;
}

.astro-banner__image {
  flex-shrink: 0;
  width: 280px;
  max-width: 100%;
}
.astro-banner__image img {
  border-radius: var(--radius);
  object-fit: cover;
  width: 100%;
  aspect-ratio: 4/3;
  opacity: 0.85;
}
.astro-banner__image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.05);
  border: 2px dashed rgba(230,235,81,0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
}
.astro-banner__image-placeholder .star-icon {
  font-size: 2.5rem;
  color: var(--accent);
  opacity: 0.6;
}

/* ========================================================
   HERO
   ======================================================== */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--bg) 0%, var(--blue-light) 60%, #d4f0d4 100%);
  position: relative;
  overflow: hidden;
  padding: 4rem 0;
}

.hero::before {
  content: '';
  position: absolute;
  right: -5%;
  top: -10%;
  width: 55%;
  height: 120%;
  background: radial-gradient(ellipse at center, rgba(55,90,10,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--green);
  background: var(--accent);
  display: inline-block;
  padding: 0.3rem 0.9rem;
  border-radius: 50px;
  margin-bottom: 1.25rem;
}

.hero__title { margin-bottom: 1.25rem; }
.hero__title em { font-style: italic; color: var(--gray); }

.hero__description {
  font-size: 1.05rem;
  color: var(--gray);
  margin-bottom: 2rem;
  max-width: 480px;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__image {
  position: relative;
}
.hero__image-box {
  aspect-ratio: 4/3;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--blue-light);
}
.hero__image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--gray);
  font-size: 0.85rem;
  border: 2px dashed rgba(55,90,10,0.2);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  min-height: 300px;
}
.hero__image-placeholder svg { opacity: 0.4; }

.hero__badge {
  position: absolute;
  bottom: -1rem;
  left: -1rem;
  background: var(--green);
  color: var(--bg);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.3;
  box-shadow: var(--shadow);
}
.hero__badge strong { font-size: 1.5rem; display: block; }

/* ========================================================
   ÁREAS DE TRABAJO
   ======================================================== */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.area-card {
  background: var(--white);
  border: 1.5px solid rgba(55,90,10,0.1);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}
.area-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.area-card__icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  display: block;
}
.area-card h3 {
  font-size: 0.95rem;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--green);
}

/* ========================================================
   BLOG PREVIEW / CARDS
   ======================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card:hover { transform: translateY(-5px); }

.blog-card__image {
  aspect-ratio: 16/9;
  background: var(--blue-light);
  overflow: hidden;
}
.blog-card__image img { width: 100%; height: 100%; object-fit: cover; }
.blog-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 0.8rem;
  min-height: 180px;
}

.blog-card__body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.78rem;
  color: var(--gray);
}
.blog-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.blog-card p {
  font-size: 0.88rem;
  color: var(--gray);
  flex: 1;
}
.blog-card__link {
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.blog-card__link:hover { text-decoration: underline; }

/* Próximamente placeholder */
.coming-soon {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 2px dashed rgba(55,90,10,0.15);
}
.coming-soon__icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.5; }
.coming-soon h3 { color: var(--green); margin-bottom: 0.5rem; }
.coming-soon p { color: var(--gray); font-size: 0.9rem; }

/* ========================================================
   GALERÍA
   ======================================================== */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  justify-content: center;
}
.gallery-filters button {
  padding: 0.4rem 1.1rem;
  border-radius: 50px;
  border: 2px solid rgba(55,90,10,0.2);
  background: transparent;
  color: var(--green);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.gallery-filters button.active,
.gallery-filters button:hover {
  background: var(--green);
  color: var(--bg);
  border-color: var(--green);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.gallery-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  background: var(--blue-light);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(55,90,10,0.5);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  opacity: 0;
  transition: var(--transition);
}
.gallery-item:hover .gallery-item__overlay { opacity: 1; }
.gallery-item__caption {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
}
.gallery-placeholder {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  background: var(--blue-light);
  border: 2px dashed rgba(55,90,10,0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 0.8rem;
  gap: 0.35rem;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox.open { display: flex; }
.lightbox__img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius); }
.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

/* ========================================================
   FORMULARIOS
   ======================================================== */
.form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--green);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1.5px solid rgba(55,90,10,0.2);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  background: var(--white);
  color: var(--dark);
  transition: var(--transition);
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(55,90,10,0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form__note {
  font-size: 0.8rem;
  color: var(--gray);
  margin-top: -0.5rem;
}

.form__success {
  display: none;
  background: #e8f5e9;
  border: 1.5px solid #4caf50;
  border-radius: var(--radius);
  padding: 1.25rem;
  color: #2e7d32;
  font-weight: 500;
  text-align: center;
}

/* ========================================================
   QUIÉNES SOMOS — Línea de tiempo
   ======================================================== */
.page-hero {
  background: linear-gradient(135deg, var(--green) 0%, #2a4508 100%);
  color: var(--bg);
  padding: 5rem 0 4rem;
  text-align: center;
}
.page-hero h1 { color: var(--accent); margin-bottom: 1rem; }
.page-hero p { color: rgba(241,255,255,0.8); max-width: 600px; margin: 0 auto; }

.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(55,90,10,0.15);
  transform: translateX(-50%);
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 2.5rem;
}
.timeline-item:nth-child(odd) .timeline-content { grid-column: 3; }
.timeline-item:nth-child(odd) .timeline-year { grid-column: 2; }
.timeline-item:nth-child(odd) .timeline-empty { grid-column: 1; }
.timeline-item:nth-child(even) .timeline-content { grid-column: 1; grid-row: 1; text-align: right; }
.timeline-item:nth-child(even) .timeline-year { grid-column: 2; grid-row: 1; }
.timeline-item:nth-child(even) .timeline-empty { grid-column: 3; grid-row: 1; }

.timeline-year {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}
.timeline-year__dot {
  width: 16px;
  height: 16px;
  background: var(--accent);
  border: 3px solid var(--green);
  border-radius: 50%;
  flex-shrink: 0;
}
.timeline-year__label {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--green);
  white-space: nowrap;
}

.timeline-content h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--green);
  margin-bottom: 0.25rem;
}
.timeline-content p {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 0;
}

/* ========================================================
   SER PARTE — Voluntarios
   ======================================================== */
.volunteer-activities {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}
.volunteer-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow);
}
.volunteer-card__icon { font-size: 1.75rem; margin-bottom: 0.75rem; }
.volunteer-card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.volunteer-card p { font-size: 0.85rem; color: var(--gray); margin: 0; }

/* ========================================================
   CONTACTO
   ======================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}
.contact-info h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--green);
}
.contact-info p {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 0.5rem;
}
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--blue-light);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--green);
  transition: var(--transition);
}
.social-link:hover {
  background: var(--green);
  color: var(--bg);
}

/* ========================================================
   EVENTO ASTRONOMÍA — Página
   ======================================================== */
.astro-hero {
  background: linear-gradient(180deg, #010101 0%, #0a0a1a 50%, #0d1a0d 100%);
  color: var(--white);
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.stars-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 5% 10%, rgba(255,255,255,0.9) 0%, transparent 100%),
    radial-gradient(1px 1px at 18% 30%, rgba(255,255,255,0.7) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 35% 8%, rgba(200,232,255,0.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 50% 45%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(2px 2px at 65% 12%, rgba(230,235,81,0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 78% 35%, rgba(255,255,255,0.8) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 88% 20%, rgba(200,232,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 93% 55%, rgba(255,255,255,0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 12% 65%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 80%, rgba(200,232,255,0.6) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 42% 72%, rgba(255,255,255,0.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 58% 88%, rgba(230,235,81,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 72% 78%, rgba(255,255,255,0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 82% 90%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(2px 2px at 96% 85%, rgba(200,232,255,0.8) 0%, transparent 100%);
  pointer-events: none;
}

.astro-hero__edition {
  display: inline-block;
  background: rgba(230,235,81,0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.3rem 1rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.astro-hero h1 {
  color: var(--white);
  margin-bottom: 0.75rem;
  font-size: clamp(1.8rem, 5vw, 3.5rem);
}
.astro-hero h1 em { color: var(--accent); font-style: normal; }

.astro-hero__subtitle {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.event-meta-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin: 2.5rem 0;
  position: relative;
  z-index: 1;
}
.event-meta-strip__item {
  text-align: center;
}
.event-meta-strip__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  display: block;
  margin-bottom: 0.3rem;
}
.event-meta-strip__value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}
.program-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  text-align: center;
  color: var(--white);
}
.program-item__icon { font-size: 2rem; margin-bottom: 0.75rem; }
.program-item h4 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
}

.collab-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
  margin-top: 1.5rem;
}
.collab-logo {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 0.75rem 1.5rem;
  color: rgba(255,255,255,0.8);
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  min-width: 140px;
}
.collab-logo img {
  max-height: 50px;
  margin: 0 auto;
  filter: brightness(0) invert(1);
  opacity: 0.8;
}

/* ========================================================
   FOOTER
   ======================================================== */
.footer {
  background: var(--dark);
  color: rgba(241,255,255,0.7);
  padding: 3.5rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand img { height: 48px; width: auto; margin-bottom: 1rem; }
.footer__brand-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--bg);
  display: block;
  margin-bottom: 0.25rem;
}
.footer__brand-sub {
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.75rem;
}
.footer__brand p { font-size: 0.85rem; line-height: 1.6; }

.footer__col h4 {
  color: var(--bg);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.footer__col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__col ul li a {
  font-size: 0.875rem;
  transition: var(--transition);
}
.footer__col ul li a:hover { color: var(--accent); }

.footer__social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}
.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(241,255,255,0.08);
  border-radius: 50%;
  font-size: 1rem;
  transition: var(--transition);
}
.footer__social a:hover { background: var(--accent); color: var(--green); }

.footer__bottom {
  border-top: 1px solid rgba(241,255,255,0.08);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: rgba(241,255,255,0.4);
}
.footer__bottom a { color: var(--accent); }

/* ========================================================
   RESPONSIVE
   ======================================================== */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__description { max-width: 100%; margin-left: auto; }
  .hero__actions { justify-content: center; }
  .hero__badge { left: 50%; transform: translateX(-50%); bottom: -1.5rem; }

  .contact-layout { grid-template-columns: 1fr; }

  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }

  .timeline::before { left: 16px; transform: none; }
  .timeline-item {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto;
  }
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    grid-column: 2; grid-row: 1; text-align: left;
  }
  .timeline-item:nth-child(odd) .timeline-year,
  .timeline-item:nth-child(even) .timeline-year { grid-column: 1; grid-row: 1; }
  .timeline-empty { display: none; }
}

@media (max-width: 700px) {
  .section { padding: 3.5rem 0; }
  .nav__links { display: none; flex-direction: column; width: 100%; padding: 1rem 0; }
  .nav__links.open { display: flex; }
  .nav__inner { flex-wrap: wrap; }
  .nav__toggle { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .astro-banner__image { display: none; }
  .event-meta-strip { gap: 1rem; }
}

/* ========================================================
   UTILIDADES
   ======================================================== */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-0 { margin-bottom: 0; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* ========================================================
   MODAL EVENTO ASTRONOMÍA
   ======================================================== */
.astro-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.78);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}
.astro-modal.open { display: flex; }

.astro-modal__card {
  background: #06080f;
  border: 1px solid rgba(230,235,81,0.35);
  border-radius: 16px;
  max-width: 380px;
  max-height: 90vh;
  overflow-y: auto;
  width: 100%;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
  animation: modalIn 0.35s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.93) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.astro-modal__stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 8%  15%, rgba(255,255,255,0.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 22% 40%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 60% 8%, rgba(200,232,255,0.9) 0%, transparent 100%),
    radial-gradient(1px 1px at 78% 30%, rgba(255,255,255,0.7) 0%, transparent 100%),
    radial-gradient(2px 2px at 90% 12%, rgba(230,235,81,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 45% 95%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 15% 85%, rgba(200,232,255,0.6) 0%, transparent 100%);
}

.astro-modal__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: var(--transition);
  z-index: 2;
}
.astro-modal__close:hover { background: rgba(255,255,255,0.25); }

.astro-modal__img {
  width: 100%;
  display: block;
}

.astro-modal__body {
  padding: 1rem 1.5rem 1.5rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.astro-modal__badge {
  display: inline-block;
  background: rgba(230,235,81,0.12);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.2rem 0.85rem;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.astro-modal__title {
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}
.astro-modal__title em { color: var(--accent); font-style: normal; }

.astro-modal__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 1.25rem;
}

@media (max-width: 480px) {
  .astro-modal__card { border-radius: 12px; }
  .astro-modal__body { padding: 1.25rem; }
  .astro-modal__title { font-size: 1.15rem; }
}