/* ============================================================
   ASTRO.CSS
   Astrophotography sections: Galaxies, Nebulae, Planets
   Shared dark aesthetic — gallery grid, detail pages, rig modal
   ============================================================ */

body.astro-page {
  background: var(--cosmos-bg);
  color: var(--cosmos-text);
}

/* ---- Section heading ---- */
.astro-section-heading {
  font-family: var(--font-display-dark);
  font-size: var(--step-3);
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--color-white);
  text-align: center;
  padding: var(--space-xl) var(--space-m) var(--space-l);
  margin-top: var(--space-xl);
}

/* ---- Gallery section ---- */
.astro-gallery {
  background: var(--cosmos-bg);
  padding: 0 var(--space-m) var(--space-xl);
}

/* ---- Responsive grid ---- */
.astro-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
  width: 100%;
  max-width: var(--max-content);
  margin: 0 auto;
}

@media (min-width: 600px) {
  .astro-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .astro-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- Gallery card ---- */
.astro-card {
  display: block;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  background: var(--color-void-mid);
}

.astro-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.astro-card:hover img {
  transform: scale(1.03);
}

/* Hover overlay — slides up from bottom */
.astro-card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-l) var(--space-s) var(--space-s);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.astro-card:hover .astro-card__overlay {
  opacity: 1;
  transform: translateY(0);
}

.astro-card__name {
  font-family: var(--font-body-dark);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--color-white);
}

/* ============================================================
   DETAIL PAGE
   ============================================================ */

/* Hero: full-width, contain (shows full image), dark background */
.astro-detail-hero {
  background: var(--cosmos-bg);
  margin-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-m);
}

.astro-detail-hero img {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  display: block;
}

/* Content block */
.astro-detail {
  background: var(--cosmos-bg);
  padding: var(--space-xl) var(--space-m);
}

.astro-detail__block {
  max-width: 860px;
  margin: 0 auto;
}

.astro-detail__title {
  font-family: var(--font-display-dark);
  font-size: var(--step-3);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--color-white);
  margin-bottom: var(--space-s);
  line-height: 1.2;
}

.astro-detail__catalog {
  font-family: var(--font-body-dark);
  font-size: var(--step--1);
  color: var(--cosmos-caption);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-s);
}

.astro-detail__meta {
  font-family: var(--font-body-dark);
  font-size: var(--step--1);
  color: var(--cosmos-caption);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  margin-bottom: var(--space-l);
  padding-bottom: var(--space-l);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  line-height: 1.7;
}

/* Description — Lora for readability */
.astro-detail__description {
  font-family: 'Lora', Georgia, serif;
  font-size: var(--step-0);
  color: var(--cosmos-text);
  line-height: 1.9;
  margin-bottom: var(--space-xl);
}

.astro-detail__description p {
  margin-bottom: var(--space-m);
}

.astro-detail__description p:last-child {
  margin-bottom: 0;
}

/* Equipment section */
.astro-equipment {
  margin-bottom: var(--space-l);
}

.astro-equipment__heading {
  font-family: var(--font-body-dark);
  font-size: var(--step--1);
  color: var(--cosmos-caption);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-m);
  padding-bottom: var(--space-s);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.astro-equipment__grid {
  display: grid;
  gap: var(--space-l);
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 599px) {
  .astro-equipment__grid {
    grid-template-columns: 1fr;
  }
}

.astro-equipment__column {
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
}

.astro-equipment__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.astro-equipment__label {
  font-family: var(--font-body-dark);
  font-size: var(--step--1);
  color: var(--cosmos-caption);
  letter-spacing: 0.04em;
}

.astro-equipment__value {
  font-family: var(--font-body-dark);
  font-size: var(--step-0);
  color: var(--cosmos-text);
  line-height: 1.5;
}

/* Processing notes */
.astro-detail__processing {
  font-family: 'Lora', Georgia, serif;
  font-size: var(--step-0);
  color: var(--cosmos-caption);
  line-height: 1.8;
  font-style: italic;
  margin-top: var(--space-l);
  margin-bottom: var(--space-xl);
  padding-top: var(--space-l);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* Back link */
.astro-detail__back {
  font-family: var(--font-body-dark);
  font-size: var(--step--1);
  color: var(--cosmos-highlight);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: opacity 0.2s ease;
  display: inline-block;
  margin-top: var(--space-xl);
}

.astro-detail__back:hover {
  opacity: 0.7;
}

/* ============================================================
   RIG TRIGGER IN NAV
   ============================================================ */

.site-nav__logo-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.cosmos-rig-trigger {
  background: none;
  border: none;
  font-family: var(--font-body-dark);
  font-size: var(--step--1);
  color: var(--cosmos-highlight);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: opacity 0.2s ease;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 0.3em;
  text-decoration-thickness: 0.5px;
  text-align: left;
}

.cosmos-rig-trigger:hover {
  opacity: 0.7;
}

/* ============================================================
   RIG MODAL
   ============================================================ */

.cosmos-rig-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.cosmos-rig-modal[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
}

.cosmos-rig-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(2px);
}

.cosmos-rig-modal__content {
  position: relative;
  z-index: 1;
  background: var(--cosmos-bg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  max-width: 700px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  padding: var(--space-l);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.cosmos-rig-modal__close {
  position: absolute;
  top: var(--space-m);
  right: var(--space-m);
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--cosmos-caption);
  font-size: 24px;
  line-height: 1;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
}

.cosmos-rig-modal__close:hover {
  color: var(--cosmos-highlight);
}

.cosmos-rig-modal__close::before {
  content: "\00d7";
}

.cosmos-rig-modal__title {
  font-family: var(--font-display-dark);
  font-size: var(--step-2);
  color: var(--color-white);
  margin-bottom: var(--space-l);
  letter-spacing: 0.08em;
}

.cosmos-rig-modal__grid {
  display: grid;
  gap: var(--space-l);
  grid-template-columns: 1fr 1fr;
  margin-bottom: var(--space-l);
}

@media (max-width: 599px) {
  .cosmos-rig-modal__grid {
    grid-template-columns: 1fr;
  }
}

.cosmos-rig-modal__column {
  padding: var(--space-m);
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.cosmos-rig-modal__subheading {
  font-family: var(--font-body-dark);
  font-size: var(--step-0);
  color: var(--cosmos-highlight);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-m);
  text-transform: uppercase;
}

.cosmos-rig-modal__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
}

.cosmos-rig-modal__label {
  font-family: var(--font-body-dark);
  font-size: var(--step--1);
  color: var(--cosmos-caption);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-xs);
}

.cosmos-rig-modal__value {
  font-family: var(--font-body-dark);
  font-size: var(--step-0);
  color: var(--cosmos-text);
  line-height: 1.6;
}

.cosmos-rig-modal__note {
  font-family: var(--font-body-dark);
  font-size: var(--step-0);
  color: var(--cosmos-caption);
  line-height: 1.8;
  font-style: italic;
  text-align: center;
}

/* ---- Footer ---- */
.astro-page .site-footer {
  background: var(--cosmos-bg);
  color: var(--cosmos-caption);
}

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */

@media (max-width: 599px) {
  .astro-section-heading {
    font-size: var(--step-2);
    padding: var(--space-l) var(--space-m) var(--space-m);
    margin-top: var(--space-l);
  }

  .astro-gallery {
    padding: 0 var(--space-s) var(--space-l);
  }

  .astro-detail-hero {
    padding: var(--space-s);
  }

  .astro-detail {
    padding: var(--space-l) var(--space-s);
  }

  .astro-detail__title {
    font-size: var(--step-2);
  }
}