/* =====================================================================
   Hero Stellar — dramatic starry hero + constellation conference badges
   Loaded after the inline cover styles so the frosted-card override wins.
   Light-mode-only rules are guarded so the immersive dark theme is intact.
   ===================================================================== */

/* ===== Dramatic depth overlay over the rotating star photos ===== */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  background:
    linear-gradient(180deg,
      rgba(3, 7, 20, 0.78) 0%,
      rgba(5, 10, 26, 0.45) 30%,
      rgba(8, 16, 40, 0.18) 55%,
      rgba(8, 16, 40, 0.05) 100%),
    radial-gradient(ellipse 120% 80% at 50% -10%,
      rgba(40, 60, 120, 0.35), transparent 70%);
}

/* ===== Seamless fade from starry hero into the light content below ===== */
.hero-fade {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 42%;
  z-index: 5;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(249, 249, 249, 0) 0%, rgba(249, 249, 249, 0.85) 78%, #f9f9f9 100%);
}
html[data-theme="dark"] .hero-fade {
  background: linear-gradient(180deg, rgba(5, 8, 20, 0) 0%, rgba(5, 8, 20, 0.85) 78%, var(--night-bg, #050814) 100%);
}

/* Slightly deepen the rotating photos in light mode so the sky reads as deep space */
html:not([data-theme="dark"]) .bg-layer {
  filter: brightness(0.82) saturate(1.05) contrast(1.05);
}

/* ===== Frosted-glass namecard ===== */
.profile-wrapper {
  background-color: rgba(255, 255, 255, 0.66) !important;
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  backdrop-filter: blur(16px) saturate(1.15);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 24px 70px -24px rgba(4, 10, 28, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  animation: heroRise 1s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes heroRise {
  from { opacity: 0; transform: translateX(-50%) translateY(26px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@media screen and (max-width: 600px) {
  /* the mobile card is not horizontally centred via transform; animate plainly */
  .profile-wrapper { animation: heroRisePlain 1s cubic-bezier(0.16, 1, 0.3, 1) both; }
  @keyframes heroRisePlain {
    from { opacity: 0; transform: translateY(26px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}

/* ===== Avatar glow ring ===== */
.circle-img {
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 0 0 1px rgba(130, 160, 220, 0.5),
    0 0 26px rgba(120, 160, 255, 0.35),
    0 14px 34px rgba(4, 10, 28, 0.5);
}

/* ===== Constellation layer ===== */
.constellation {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;            /* container ignores pointer; stars opt back in */
  overflow: hidden;
}

.constellation__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.constellation__line {
  stroke: rgba(170, 200, 255, 0.32);
  stroke-width: 1;
  stroke-dasharray: 3 5;
  fill: none;
  filter: drop-shadow(0 0 3px rgba(150, 190, 255, 0.35));
  animation: lineFade 1.4s ease 0.4s both;
}
@keyframes lineFade { from { opacity: 0; } to { opacity: 1; } }

.constellation__star {
  position: absolute;
  width: 12px;
  height: 12px;
  transform: translate(-50%, -50%);
  pointer-events: auto;
  cursor: pointer;
  border: none;
  padding: 0;
  background: transparent;
  animation: starPop 0.6s ease both;
}
.constellation__star::before {           /* the glowing dot */
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #ffffff 0%, #cfe0ff 55%, rgba(160, 195, 255, 0) 100%);
  box-shadow: 0 0 8px rgba(200, 222, 255, 0.9), 0 0 16px rgba(150, 190, 255, 0.6);
  animation: starTwinkle 3.2s ease-in-out infinite;
}
.constellation__star::after {            /* hit area larger than the dot */
  content: "";
  position: absolute;
  inset: -8px;
}
.constellation__star:hover { z-index: 3; }
.constellation__star:hover::before,
.constellation__star:focus-visible::before {
  transform: scale(1.5);
  box-shadow: 0 0 14px #fff, 0 0 28px rgba(170, 205, 255, 0.85);
}
.constellation__star:focus-visible { outline: none; }

/* Highlight paper — golden, larger, pulsing */
.constellation__star--highlight { width: 18px; height: 18px; }
.constellation__star--highlight::before {
  background: radial-gradient(circle at 50% 50%, #fff6e0 0%, #ffd479 55%, rgba(255, 196, 90, 0) 100%);
  box-shadow: 0 0 12px rgba(255, 214, 140, 0.95), 0 0 26px rgba(255, 190, 90, 0.7);
  animation: starPulse 2.6s ease-in-out infinite;
}

@keyframes starPop {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.2); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}
@keyframes starTwinkle {
  0%, 100% { opacity: 0.75; }
  50%      { opacity: 1; }
}
@keyframes starPulse {
  0%, 100% { transform: scale(1);    filter: brightness(1); }
  50%      { transform: scale(1.18); filter: brightness(1.25); }
}

/* ===== Tooltip ===== */
.constellation__tip {
  position: absolute;
  z-index: 8;
  max-width: 260px;
  transform: translate(-50%, -100%);
  padding: 9px 13px;
  border-radius: 12px;
  background: rgba(10, 16, 34, 0.92);
  border: 1px solid rgba(140, 175, 245, 0.35);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #eaf0ff;
  font-size: 0.82rem;
  line-height: 1.4;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.18s ease, transform 0.18s ease;
  white-space: normal;
}
.constellation__tip.is-visible { opacity: 1; }
.constellation__tip-title { display: block; font-weight: 600; color: #fff; }
.constellation__tip-venue {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: #a9c2ff;
}
.constellation__tip-badge {
  display: inline-block;
  margin-top: 4px;
  margin-left: 6px;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #2a1a00;
  background: linear-gradient(120deg, #ffe6a8, #ffc24d);
}

/* ===== Mobile: simpler, less crowded ===== */
@media screen and (max-width: 600px) {
  .constellation__svg { display: none; }       /* hide connecting lines */
  .constellation__star { width: 10px; height: 10px; }
  .constellation__star--highlight { width: 15px; height: 15px; }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  .profile-wrapper,
  .constellation__star,
  .constellation__star::before,
  .constellation__star--highlight::before,
  .constellation__line { animation: none !important; }
}