/* =====================================================================
   HEADER & NAVIGATION (Skiper UI Sleek Glassmorphism)
===================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(6, 7, 9, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.125rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.brand-logo-img {
  height: 20px;
  width: auto;
  max-width: 120px;
  display: block;
  object-fit: contain;
  mix-blend-mode: screen;
  filter: brightness(1.05);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.brand-link:hover .brand-logo-img {
  opacity: 0.85;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

@media (min-width: 860px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-xs);
  letter-spacing: -0.01em;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Hero Section (Balanced & Centered with ThreeUI Canvas) */
.hero-section {
  position: relative;
  padding-top: clamp(4.5rem, 10vw, 7.5rem);
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
  overflow: hidden;
  text-align: center;
}

.hero-canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.55;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.hero-tag-row {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.hero-title {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1.5rem;
  max-width: 920px;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.hero-subheadline {
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.45;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2.25rem;
  max-width: 640px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

/* Split-Section Editorial Grid (Unified Left/Right Boundaries) */
.split-section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 860px) {
  .split-section-grid {
    grid-template-columns: 360px 1fr;
    gap: 4rem;
  }
}

.split-section-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.split-section-content {
  display: flex;
  flex-direction: column;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  cursor: pointer;
  padding: 7px;
  z-index: 1001;
}

.mobile-nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 860px) {
  .mobile-nav-toggle {
    display: none;
  }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 4.125rem;
  left: 0;
  width: 100%;
  height: calc(100vh - 4.125rem);
  background: var(--bg-base);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem;
  gap: 1.25rem;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth), visibility var(--transition-smooth);
  z-index: 999;
}

.mobile-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-drawer .nav-link {
  font-size: 1.15rem;
  font-family: var(--font-display);
  font-weight: 600;
  padding: 0.6rem 0.5rem;
}

/* =====================================================================
   BUTTONS & ACTIONS
===================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  border: 1px solid transparent;
  position: relative;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 0 16px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-medium);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.btn-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* =====================================================================
   BREADCRUMBS
===================================================================== */
.breadcrumbs {
  padding: 1.25rem 0 0 0;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.breadcrumb-item a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--text-primary);
}

.breadcrumb-separator {
  color: var(--text-tertiary);
  user-select: none;
}

.breadcrumb-current {
  color: var(--accent);
  font-weight: 600;
}

/* =====================================================================
   HERO SECTION & THREE.JS 3D CANVAS (ThreeUI Style)
===================================================================== */
.hero-section {
  position: relative;
  padding-top: clamp(4rem, 9vw, 6.5rem);
  padding-bottom: clamp(3.5rem, 7vw, 5.5rem);
  overflow: hidden;
}

.hero-canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.65;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 980px;
}

.hero-tag-row {
  margin-bottom: 1.25rem;
}

.hero-title {
  margin-bottom: 1.25rem;
  line-height: 1.08;
}

.hero-subheadline {
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.45;
  margin-bottom: 2rem;
  max-width: 700px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
}

/* =====================================================================
   SPOTLIGHT CARDS (Skiper UI Spotlight Pattern)
===================================================================== */
.spotlight-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: clamp(1.5rem, 2.5vw, 2rem);
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Mouse-following radial glow */
.spotlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(420px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(212, 255, 0, 0.08), transparent 45%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 0;
}

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

.spotlight-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.spotlight-card > * {
  position: relative;
  z-index: 1;
}

/* =====================================================================
   STAT STRIP (Telemetry HUD Style)
===================================================================== */
.stat-strip {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--border-subtle);
  background: rgba(14, 17, 24, 0.6);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(12px);
}

@media (min-width: 680px) {
  .stat-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stat-item {
  padding: clamp(1.5rem, 2.5vw, 2rem);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  position: relative;
}

@media (min-width: 680px) {
  .stat-item {
    border-bottom: none;
    border-right: 1px solid var(--border-subtle);
  }
  .stat-item:last-child {
    border-right: none;
  }
}

.stat-index {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

/* =====================================================================
   CARDS & GRIDS
===================================================================== */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .card-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .card-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card-title {
  margin-bottom: 0.65rem;
}

.card-description {
  margin-bottom: 1.25rem;
  flex-grow: 1;
  font-size: 0.9375rem;
}

.card-footer {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Event Cards */
.event-entry {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 1.75rem;
  overflow: hidden;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
  backdrop-filter: blur(12px);
}

.event-entry:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.event-entry-grid {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .event-entry-grid {
    grid-template-columns: 380px 1fr;
  }
}

.event-media {
  position: relative;
  background: var(--bg-secondary);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

@media (min-width: 900px) {
  .event-media {
    border-bottom: none;
    border-right: 1px solid var(--border-subtle);
    aspect-ratio: auto;
    height: 100%;
  }
}

.event-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.event-entry:hover .event-media img {
  transform: scale(1.02);
}

.event-body {
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.event-header {
  margin-bottom: 1rem;
}

.event-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

.event-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-xs);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-weight: 600;
}

.event-badge-accent {
  background: var(--accent-dim);
  border-color: var(--border-accent);
  color: var(--accent);
}

.event-specs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

@media (min-width: 600px) {
  .event-specs-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.spec-item {
  font-size: 0.875rem;
}

.spec-title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.spec-value {
  color: var(--text-primary);
  font-weight: 500;
}

/* Quote Cards (Community) */
.quote-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
}

.quote-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-primary);
  position: relative;
  font-style: normal;
}

.quote-author-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
}

.quote-author {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--accent);
}

.quote-role {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

/* Team Grid (About) */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
  backdrop-filter: blur(12px);
}

.team-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.team-media {
  aspect-ratio: 1 / 1;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.team-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.team-card:hover .team-media img {
  transform: scale(1.02);
}

.team-info {
  padding: 1.15rem;
}

.team-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.team-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}

/* Partners Strip */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

@media (min-width: 768px) {
  .partners-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.partner-slot {
  height: 80px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  transition: border-color var(--transition-fast);
}

.partner-slot:hover {
  border-color: var(--border-strong);
}

.partner-logo-text {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Technical Callout Box */
.callout-box {
  background: rgba(212, 255, 0, 0.03);
  border: 1px solid var(--border-accent);
  border-left: 3px solid var(--accent);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-xs);
  margin: 1.75rem 0;
}

.callout-box p:last-child {
  margin-bottom: 0;
}

/* =====================================================================
   FOOTER
===================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-primary);
  padding: clamp(3rem, 5vw, 4.5rem) 0 2rem 0;
  margin-top: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 800px) {
  .footer-top {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand-col {
  max-width: 420px;
}

.footer-brand-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.65rem;
}

.footer-brand-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.footer-nav-title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

@media (min-width: 680px) {
  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.founding-credit {
  color: var(--text-secondary);
}

.founding-credit strong {
  color: var(--text-primary);
  font-weight: 600;
}