/* ── Landing page hero ── */
.lumina-hero {
  position: relative;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 0;
}

.lumina-hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* ── Hero content overlay ── */
.lumina-hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 6rem 1.5rem 2rem;
  max-width: 48rem;
  pointer-events: none;
}

.lumina-hero-content > * {
  pointer-events: auto;
}

/* Soft radial vignette behind content — improves text readability
   over the fluid simulation without looking like a card or glass panel */
.lumina-hero-content::before {
  content: '';
  position: absolute;
  inset: -3rem -5rem;
  border-radius: 50%;
  background: radial-gradient(
    ellipse at center,
    color-mix(in srgb, var(--lumina-bg) 55%, transparent) 0%,
    color-mix(in srgb, var(--lumina-bg) 25%, transparent) 45%,
    transparent 70%
  );
  z-index: -1;
  pointer-events: none;
}

/* ── Staggered entrance animation ── */
.lumina-hero-badge,
.lumina-hero-title,
.lumina-hero-subtitle,
.lumina-hero-actions,
.lumina-hero-tags {
  animation: lumina-hero-enter 0.7s cubic-bezier(0.25, 1, 0.5, 1) backwards;
}

.lumina-hero-badge    { animation-delay: 0.1s; }
.lumina-hero-title    { animation-delay: 0.22s; }
.lumina-hero-subtitle { animation-delay: 0.36s; }
.lumina-hero-actions  { animation-delay: 0.5s; }
.lumina-hero-tags     { animation-delay: 0.64s; }

@keyframes lumina-hero-enter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .lumina-hero-badge,
  .lumina-hero-title,
  .lumina-hero-subtitle,
  .lumina-hero-actions,
  .lumina-hero-tags {
    animation: none;
  }
}

/* ── Badge ── */
.lumina-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.3rem 0.9rem;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--lumina-accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--lumina-accent) 20%, transparent);
  color: var(--lumina-accent);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-bottom: 2rem;
}

.lumina-hero-badge-sep {
  opacity: 0.4;
  margin: 0 0.125rem;
}

/* ── Title ── */
.lumina-hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--lumina-text);
  margin: 0 0 1.5rem;
}

.lumina-hero-title em {
  font-style: normal;
  color: var(--lumina-accent);
  text-shadow: 0 0 50px color-mix(in srgb, var(--lumina-accent) 25%, transparent);
}

/* ── Subtitle ── */
.lumina-hero-subtitle {
  font-size: clamp(1.0625rem, 2.2vw, 1.3125rem);
  color: var(--lumina-text-muted);
  line-height: 1.6;
  max-width: 30rem;
  margin: 0 0 2.75rem;
}

/* ── CTA buttons ── */
.lumina-hero-actions {
  display: flex;
  gap: 0.875rem;
  flex-wrap: wrap;
  justify-content: center;
}

.lumina-hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition:
    transform 0.25s cubic-bezier(0.25, 1, 0.5, 1),
    box-shadow 0.25s cubic-bezier(0.25, 1, 0.5, 1),
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

.lumina-hero-btn:hover {
  transform: translateY(-2px);
}

.lumina-hero-btn:active {
  transform: translateY(0);
  transition-duration: 0.08s;
}

.lumina-hero-btn:focus-visible {
  outline: 2px solid var(--lumina-accent);
  outline-offset: 3px;
}

.lumina-hero-btn-primary {
  background: var(--lumina-accent);
  color: #fff;
  box-shadow:
    0 2px 12px color-mix(in srgb, var(--lumina-accent) 30%, transparent);
}

.lumina-hero-btn-primary:hover {
  box-shadow:
    0 6px 24px color-mix(in srgb, var(--lumina-accent) 40%, transparent),
    0 0 0 1px color-mix(in srgb, var(--lumina-accent) 15%, transparent);
}

/* Arrow nudge on primary button hover */
.lumina-hero-btn-primary svg {
  transition: transform 0.25s cubic-bezier(0.25, 1, 0.5, 1);
}

.lumina-hero-btn-primary:hover svg {
  transform: translateX(3px);
}

.lumina-hero-btn-secondary {
  background: transparent;
  color: var(--lumina-text);
  border: 1.5px solid var(--lumina-border);
}

.lumina-hero-btn-secondary:hover {
  border-color: var(--lumina-accent);
  color: var(--lumina-accent);
}

.lumina-hero-btn svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

/* ── Feature tags ── */
.lumina-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 2.5rem;
  pointer-events: none;
}

.lumina-hero-tags span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--lumina-text-muted);
  padding: 0.225rem 0.7rem;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--lumina-text-muted) 7%, transparent);
  letter-spacing: 0.01em;
}

.lumina-hero-tags span svg {
  width: 0.8rem;
  height: 0.8rem;
  flex-shrink: 0;
  opacity: 0.7;
}

/* ── Subtle header when hero is visible ── */
[data-hero-visible] #lumina-header > header {
  border-color: transparent;
}

/* Restore on scroll (hero not visible) — handled by removing the attribute */

/* ── Landing content below hero ── */
.lumina-landing-content {
  max-width: 48rem;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

/* Collapse when empty — applied via template class */
.lumina-landing-content.is-empty {
  display: none;
}

.lumina-landing-content .lumina-article {
  animation: lumina-fade-in 0.4s ease-out;
}

/* ── Landing feature list styling ── */
.lumina-landing-content dl {
  margin-top: 1.5rem;
}

.lumina-landing-content dt {
  font-weight: 600;
  font-size: 1rem;
  color: var(--lumina-text);
  margin-top: 1.25rem;
}

.lumina-landing-content dt:first-child {
  margin-top: 0;
}

.lumina-landing-content dd {
  margin-left: 0;
  margin-top: 0.25rem;
  color: var(--lumina-text-muted);
  line-height: 1.6;
}