/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--color-accent);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn--primary:hover {
  background: transparent;
  color: var(--color-accent);
  box-shadow: 0 0 20px var(--color-accent-dim);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
}

.btn--outline:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  box-shadow: 0 0 20px var(--color-accent-dim);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* Cards */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--color-accent-dim);
}

.card__image {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  width: 100%;
  background: var(--color-bg-elevated);
}

.card__body {
  padding: var(--space-md);
}

.card__label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

.card__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.card__link {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.card__link:hover {
  text-decoration: underline;
}

.card-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .card-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .card-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Gateway cards on home */
.gateway-card {
  position: relative;
  display: block;
  min-height: 220px;
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.gateway-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent-dim), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.gateway-card:hover {
  transform: scale(1.02);
  border-color: var(--color-accent);
  box-shadow: 0 0 30px var(--color-accent-dim);
}

.gateway-card:hover::before {
  opacity: 1;
}

.gateway-card__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-accent-dim);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.gateway-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xs);
  position: relative;
}

.gateway-card__desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  position: relative;
}

/* Tabs */
.tabs {
  margin-bottom: var(--space-lg);
}

.tab-list {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.tab-btn {
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition), border-color var(--transition);
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.is-active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

/* Blog / changelog items */
.post-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.post-item {
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.post-item__date {
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}

.post-item__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: var(--space-xs);
}

.post-item__excerpt {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.post-item__full {
  display: none;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.post-item.is-expanded .post-item__full {
  display: block;
}

.read-more-btn {
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.read-more-btn:hover {
  text-decoration: underline;
}

.changelog-item {
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: var(--space-md);
}

.changelog-item__version {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.changelog-item__date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.changelog-item ul {
  list-style: disc;
  padding-left: var(--space-md);
  color: var(--color-text-muted);
}

.changelog-item li {
  margin-bottom: var(--space-xs);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border: 1px solid var(--color-border);
}

.lightbox__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 44px;
  height: 44px;
  font-size: 1.5rem;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), color var(--transition);
}

.lightbox__close:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Media gallery */
.gallery-grid {
  display: grid;
  gap: var(--space-sm);
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  cursor: pointer;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 0;
  width: 100%;
  text-align: left;
  transition: border-color var(--transition), transform var(--transition);
}

.gallery-item:hover {
  border-color: var(--color-accent);
  transform: scale(1.02);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.gallery-item--wide img {
  aspect-ratio: 21 / 9;
}

/* Video grid */
.video-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.video-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.video-card__wrapper {
  aspect-ratio: 16 / 9;
  background: var(--color-bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.video-card__wrapper video,
.video-card__wrapper iframe,
.video-card__image {
  width: 100%;
  height: 100%;
  border: none;
  object-fit: cover;
}

.video-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  background: linear-gradient(135deg, #1a1a1e, #0a0a0b);
}

.video-card__play {
  width: 64px;
  height: 64px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.5rem;
}

.video-card__body {
  padding: var(--space-md);
}

.video-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.video-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Anchor subnav */
.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.subnav a {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: color var(--transition), border-color var(--transition);
}

.subnav a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* Team cards */
.team-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.team-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.team-card__icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  border: 1px solid var(--color-accent-dim);
  background:
    radial-gradient(circle at 35% 30%, rgba(245, 245, 240, 0.12), transparent 28%),
    radial-gradient(circle, rgba(201, 168, 76, 0.18), rgba(10, 10, 11, 0.95));
  box-shadow: 0 0 24px rgba(201, 168, 76, 0.08);
}

.team-card__avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  border: 2px solid var(--color-accent-dim);
  object-fit: cover;
}

.team-card__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.team-card__role {
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
}

.team-card__bio {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Contact block */
.contact-block {
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.contact-block dl {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .contact-block dl {
    grid-template-columns: auto 1fr;
    gap: var(--space-sm) var(--space-lg);
  }
}

.contact-block dt {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.contact-block dd {
  color: var(--color-text-muted);
}

.contact-block a {
  color: var(--color-text);
  transition: color var(--transition);
}

.contact-block a:hover {
  color: var(--color-accent);
}