/* ═══════════════════════════════════════════════════════════
   ROOT DESIGN TOKENS
═══════════════════════════════════════════════════════════ */
:root {
  --bg-deep:       #050510;
  --bg-dark:       #080820;
  --glass-bg:      rgba(8, 10, 35, 0.72);
  --glass-border:  rgba(100, 149, 237, 0.14);
  --glass-blur:    blur(28px);

  --blue:   #4a90e2;
  --purple: #a855f7;
  --green:  #22c55e;
  --yellow: #eab308;
  --orange: #f97316;
  --red:    #ef4444;

  --text-primary:   #e8eaf6;
  --text-secondary: #94a3b8;
  --text-muted:     #475569;

  --font-display: 'Orbitron', monospace;
  --font-body:    'Inter', sans-serif;

  --panel-w:   min(560px, 96vw);
  --hud-h:     62px;
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-back: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ═══════════════════════════════════════════════════════════
   RESET & BASE
═══════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ═══════════════════════════════════════════════════════════
   CANVAS
═══════════════════════════════════════════════════════════ */
#universe-canvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  display: block;
  cursor: grab;
}
#universe-canvas.dragging { cursor: grabbing; }

/* ═══════════════════════════════════════════════════════════
   LOADING SCREEN
═══════════════════════════════════════════════════════════ */
#loading-screen {
  position: fixed; inset: 0; z-index: 2000;
  background: var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 1s ease, visibility 1s ease;
}
#loading-screen.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Background mini-stars in loader */
#loader-bg-stars {
  position: absolute; inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.l-star {
  position: absolute;
  border-radius: 50%;
  background: #fff;
  animation: l-twinkle var(--dur, 2s) ease-in-out infinite var(--dly, 0s) alternate;
}
@keyframes l-twinkle {
  from { opacity: 0.05; }
  to   { opacity: 0.9; }
}

.loader-content {
  position: relative; z-index: 2;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 0;
}

.loader-logo {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 5.5rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1;
  margin-bottom: 0.75rem;
}
.logo-a {
  color: var(--blue);
  display: inline-block;
  animation: logo-breathe-a 2.4s ease-in-out infinite;
  text-shadow: 0 0 30px var(--blue), 0 0 80px rgba(74,144,226,.5);
}
.logo-g {
  color: var(--purple);
  display: inline-block;
  animation: logo-breathe-g 2.4s ease-in-out infinite 0.4s;
  text-shadow: 0 0 30px var(--purple), 0 0 80px rgba(168,85,247,.5);
}
@keyframes logo-breathe-a {
  0%,100% { text-shadow: 0 0 25px var(--blue), 0 0 60px rgba(74,144,226,.4); }
  50%     { text-shadow: 0 0 50px var(--blue), 0 0 110px rgba(74,144,226,.8); }
}
@keyframes logo-breathe-g {
  0%,100% { text-shadow: 0 0 25px var(--purple), 0 0 60px rgba(168,85,247,.4); }
  50%     { text-shadow: 0 0 50px var(--purple), 0 0 110px rgba(168,85,247,.8); }
}

.loader-name {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 700;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}
.loader-sub {
  font-size: 0.72rem; letter-spacing: 0.35em; text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}
.loader-bar-wrap { width: 240px; }
.loader-bar {
  width: 100%; height: 2px;
  background: rgba(255,255,255,.08);
  border-radius: 99px; overflow: hidden;
  margin-bottom: 0.7rem;
}
.loader-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  border-radius: 99px;
  transition: width 0.4s ease;
  box-shadow: 0 0 10px var(--blue);
}
.loader-status {
  font-size: 0.7rem; letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════
   TOOLTIP
═══════════════════════════════════════════════════════════ */
#tooltip {
  position: fixed;
  pointer-events: none;
  z-index: 600;
  padding: 5px 12px;
  background: rgba(8, 10, 35, 0.92);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  font-size: 0.75rem;
  font-family: var(--font-display);
  color: var(--text-primary);
  letter-spacing: 0.06em;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}
#tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════
   HUD — TOP BAR
═══════════════════════════════════════════════════════════ */
#hud {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 300;
  height: var(--hud-h);
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  background: rgba(5, 5, 16, 0.55);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

#hud-brand {
  display: flex; align-items: center; gap: 0.7rem;
  flex-shrink: 0;
}
#hud-logo {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 900; font-size: 0.8rem;
  color: #fff; cursor: pointer; border: none;
  transition: transform 0.2s var(--ease-back), box-shadow 0.2s ease;
  flex-shrink: 0;
}
#hud-logo:hover {
  transform: scale(1.12);
  box-shadow: 0 0 22px rgba(74,144,226,.65);
}

.brand-info { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name  { font-family: var(--font-display); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; }
.brand-title { font-size: 0.6rem; color: var(--text-muted); letter-spacing: 0.1em; }

#hud-nav { display: flex; align-items: center; gap: 0.15rem; }
.hud-nav-btn {
  background: none; border: none; cursor: pointer;
  padding: 0.4rem 0.65rem;
  font-family: var(--font-body); font-size: 0.78rem; font-weight: 500;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.hud-nav-btn:hover { color: var(--text-primary); background: rgba(255,255,255,.05); }
.hud-nav-btn.active { color: var(--blue); background: rgba(74,144,226,.1); }

#hud-actions { display: flex; align-items: center; gap: 0.55rem; }
.music-toggle {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.42rem 0.7rem;
  border: 1px solid rgba(20,184,166,.35);
  border-radius: 8px;
  background: rgba(20,184,166,.06);
  color: var(--text-secondary); cursor: pointer;
  font-family: var(--font-body); font-size: 0.72rem;
  transition: all 0.25s ease;
}
.music-toggle:hover, .music-toggle[aria-pressed="true"] {
  color: #5eead4; border-color: rgba(20,184,166,.7);
  background: rgba(20,184,166,.14); box-shadow: 0 0 16px rgba(20,184,166,.2);
}
.music-icon { font-size: 1rem; line-height: 1; }
.music-toggle[aria-pressed="true"] .music-icon { animation: music-pulse 1.2s ease-in-out infinite; }
@keyframes music-pulse { 50% { transform: translateY(-2px); } }

.resume-download-btn {
  display: inline-flex; align-items: center;
  padding: 0.42rem 0.9rem;
  border: 1px solid rgba(74,144,226,.45);
  border-radius: 8px;
  color: var(--blue); text-decoration: none;
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.04em;
  white-space: nowrap;
  transition: all 0.25s ease;
}
.resume-download-btn:hover {
  background: rgba(74,144,226,.1);
  border-color: var(--blue);
  box-shadow: 0 0 18px rgba(74,144,226,.35);
}

/* ═══════════════════════════════════════════════════════════
   EXPLORE HINT
═══════════════════════════════════════════════════════════ */
#explore-hint {
  position: fixed;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  background: rgba(8,10,35,.75);
  border: 1px solid var(--glass-border);
  border-radius: 99px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 0.72rem; color: var(--text-secondary);
  letter-spacing: 0.04em; white-space: nowrap;
  animation: hint-float 3s ease-in-out infinite;
  will-change: transform, opacity;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
#explore-hint.hidden {
  opacity: 0;
  pointer-events: none;
  animation: none;
  transform: translate3d(-50%, 10px, 0);
}
@keyframes hint-float {
  0%,100% { transform: translate3d(-50%, 0, 0); }
  50%      { transform: translate3d(-50%, -8px, 0); }
}

/* ═══════════════════════════════════════════════════════════
   PANEL OVERLAY
═══════════════════════════════════════════════════════════ */
#panel-overlay {
  position: fixed; inset: 0;
  z-index: 400;
  pointer-events: none;
}
#panel-overlay.open { pointer-events: auto; }

#panel-backdrop {
  position: absolute; inset: 0;
  background: rgba(5, 5, 16, 0.45);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity 0.4s ease;
}
#panel-overlay.open #panel-backdrop { opacity: 1; }

#panel-close-btn {
  position: absolute;
  top: calc(var(--hud-h) + 0.9rem);
  right: calc(var(--panel-w) + 0.9rem);
  z-index: 10;
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: rgba(8,10,35,.85);
  backdrop-filter: blur(10px);
  color: var(--text-secondary);
  cursor: pointer; font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: scale(0.7);
  pointer-events: none;
  transition: all 0.25s var(--ease-back);
}
#panel-overlay.open #panel-close-btn {
  opacity: 1; transform: scale(1); pointer-events: auto;
}
#panel-close-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,.25);
  background: rgba(255,255,255,.08);
  transform: scale(1.08);
}

/* ═══════════════════════════════════════════════════════════
   PANELS — BASE
═══════════════════════════════════════════════════════════ */
.panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: var(--panel-w);
  background: var(--glass-bg);
  border-left: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transform: translateX(100%);
  transition: transform 0.5s var(--ease-out);
  pointer-events: none;
  display: none; flex-direction: column;
  overflow: hidden;
}
.panel.active {
  transform: translateX(0);
  pointer-events: auto;
  display: flex;
}

.panel-scroll {
  flex: 1; overflow-y: auto;
  padding: calc(var(--hud-h) + 2rem) 1.75rem 2.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--glass-border) transparent;
}
.panel-scroll::-webkit-scrollbar { width: 3px; }
.panel-scroll::-webkit-scrollbar-thumb {
  background: var(--glass-border); border-radius: 99px;
}

.panel-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 700; letter-spacing: 0.04em;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}
.panel-title-accent { color: var(--blue); }
.panel-subtitle {
  font-size: 0.82rem; color: var(--text-secondary);
  line-height: 1.6; margin-bottom: 1.8rem;
}

/* ═══════════════════════════════════════════════════════════
   ABOUT PANEL — PHOTO STYLES
   Photo sits naturally as a "celestial body" with orbital rings
═══════════════════════════════════════════════════════════ */
.about-hero {
  display: flex; flex-direction: column;
  align-items: center; gap: 2rem;
  padding-top: 0.5rem;
}
@media (min-width: 440px) {
  .about-hero { flex-direction: row; align-items: flex-start; }
}

.about-photo-wrap {
  position: relative; flex-shrink: 0;
  width: 190px; height: 190px;
  display: flex; align-items: center; justify-content: center;
}

/* The actual photo */
.about-photo {
  width: 155px; height: 155px;
  border-radius: 50%;
  object-fit: cover; object-position: center top;
  position: relative; z-index: 3;
  border: 2px solid rgba(100, 180, 255, 0.3);
  filter: brightness(1.06) contrast(1.03) saturate(1.05);
  box-shadow:
    0 0 0 5px rgba(74,144,226, 0.07),
    0 0 24px rgba(74,144,226, 0.42),
    0 0 65px rgba(168,85,247, 0.22),
    0 0 110px rgba(0,80,220,  0.10);
  animation: photo-breathe 5s ease-in-out infinite;
}
@keyframes photo-breathe {
  0%,100% {
    box-shadow:
      0 0 0 5px  rgba(74,144,226,0.07),
      0 0 24px   rgba(74,144,226,0.42),
      0 0 65px   rgba(168,85,247,0.22),
      0 0 110px  rgba(0,80,220,0.10);
  }
  50% {
    box-shadow:
      0 0 0 8px  rgba(74,144,226,0.12),
      0 0 42px   rgba(74,144,226,0.65),
      0 0 100px  rgba(168,85,247,0.38),
      0 0 160px  rgba(0,80,220,0.18);
  }
}

/* Orbital rings that spin around the photo */
.photo-orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid transparent;
  pointer-events: none;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
}
.ring-1 {
  width: 188px; height: 188px;
  border-color: rgba(74,144,226, 0.28);
  box-shadow: 0 0 6px rgba(74,144,226,0.15);
  animation: ring-spin 9s linear infinite;
}
.ring-2 {
  width: 214px; height: 214px;
  border-color: rgba(168,85,247, 0.18);
  border-style: dashed;
  animation: ring-spin 16s linear infinite reverse;
}
@keyframes ring-spin {
  from { transform: translate(-50%,-50%) rotate(0deg); }
  to   { transform: translate(-50%,-50%) rotate(360deg); }
}

/* Radial glow behind the photo */
.photo-glow {
  position: absolute;
  top: 50%; left: 50%;
  width: 155px; height: 155px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(74,144,226,0.18) 0%,
    rgba(168,85,247,0.10) 45%,
    transparent 70%
  );
  transform: translate(-50%,-50%) scale(1);
  animation: glow-breathe 5s ease-in-out infinite;
  z-index: 1;
}
@keyframes glow-breathe {
  0%,100% { transform: translate(-50%,-50%) scale(1);   opacity: 0.75; }
  50%     { transform: translate(-50%,-50%) scale(1.35); opacity: 1; }
}

.about-info { flex: 1; min-width: 0; }
.about-name {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  font-weight: 700; letter-spacing: 0.04em;
  color: var(--text-primary); margin-bottom: 0.3rem;
}
.about-title-text {
  font-size: 0.75rem; color: var(--blue);
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 1rem;
}
.about-bio {
  font-size: 0.85rem; color: var(--text-secondary);
  line-height: 1.75; margin-bottom: 1.4rem;
}
.about-links { display: flex; flex-wrap: wrap; gap: 0.45rem; }

.social-pill {
  padding: 0.38rem 0.85rem; border-radius: 99px;
  font-size: 0.75rem; font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.22s ease;
}
.social-pill.github {
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.12);
  color: var(--text-primary);
}
.social-pill.github:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.28); }

.social-pill.linkedin {
  background: rgba(0,119,181,.1);
  border-color: rgba(0,119,181,.3);
  color: #60b8d9;
}
.social-pill.linkedin:hover { background: rgba(0,119,181,.2); box-shadow: 0 0 16px rgba(0,119,181,.28); }

.social-pill.email {
  background: rgba(74,144,226,.1);
  border-color: rgba(74,144,226,.3);
  color: var(--blue);
}
.social-pill.email:hover { background: rgba(74,144,226,.2); box-shadow: 0 0 16px rgba(74,144,226,.28); }

.social-pill.resume {
  background: linear-gradient(135deg, rgba(74,144,226,.15), rgba(168,85,247,.15));
  border-color: rgba(74,144,226,.4);
  color: var(--text-primary);
}
.social-pill.resume:hover { background: linear-gradient(135deg, rgba(74,144,226,.28), rgba(168,85,247,.28)); }

/* ═══════════════════════════════════════════════════════════
   SKILLS PANEL
═══════════════════════════════════════════════════════════ */
.skills-galaxy { display: flex; flex-direction: column; gap: 1.2rem; }

.skill-cluster {
  background: rgba(255,255,255,.02);
  border: 1px solid var(--glass-border);
  border-radius: 12px; padding: 1.2rem;
  transition: border-color 0.22s ease;
}
.skill-cluster:hover { border-color: rgba(74,144,226,.28); }

.cluster-label {
  font-family: var(--font-display);
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 0.8rem;
}
[data-cluster="datascience"] .cluster-label { color: var(--purple); }
[data-cluster="learning"]    .cluster-label { color: var(--green);  }

.skill-pills { display: flex; flex-wrap: wrap; gap: 0.45rem; }

.skill-pill {
  padding: 0.32rem 0.7rem;
  background: rgba(74,144,226,.07);
  border: 1px solid rgba(74,144,226,.18);
  border-radius: 6px;
  font-size: 0.76rem; color: var(--text-secondary);
  cursor: default;
  transition: all 0.2s ease;
}
.skill-pill:hover {
  background: rgba(74,144,226,.15);
  border-color: rgba(74,144,226,.4);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(74,144,226,.2);
}

.skill-pill.tools {
  background: rgba(34,197,94,.07);
  border-color: rgba(34,197,94,.18);
}
.skill-pill.tools:hover {
  background: rgba(34,197,94,.15);
  border-color: rgba(34,197,94,.4);
  box-shadow: 0 4px 14px rgba(34,197,94,.2);
}

.skill-pill.learning {
  background: rgba(34,197,94,.07);
  border-color: rgba(34,197,94,.18);
}
.skill-pill.learning:hover {
  background: rgba(34,197,94,.15);
  border-color: rgba(34,197,94,.4);
  box-shadow: 0 4px 14px rgba(34,197,94,.2);
}

/* ═══════════════════════════════════════════════════════════
   PROJECTS PANEL
═══════════════════════════════════════════════════════════ */
.projects-list { display: flex; flex-direction: column; gap: 0.9rem; }

.project-card {
  background: rgba(255,255,255,.02);
  border: 1px solid var(--glass-border);
  border-radius: 14px; padding: 1.2rem;
  position: relative; overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.project-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  opacity: 0; transition: opacity 0.25s ease;
}
.project-card:hover {
  border-color: rgba(74,144,226,.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,.5), 0 0 20px rgba(74,144,226,.07);
}
.project-card:hover::after { opacity: 1; }

.project-card.featured { border-color: rgba(249,115,22,.25); }
.project-card.featured::after {
  background: linear-gradient(90deg, var(--orange), var(--yellow));
  opacity: 1;
}

.project-card-top { margin-bottom: 0.35rem; }
.project-badge {
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--orange);
}
.project-name {
  font-family: var(--font-display);
  font-size: 0.9rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: 0.02em;
  margin-bottom: 0.45rem;
}
.project-desc {
  font-size: 0.8rem; color: var(--text-secondary);
  line-height: 1.65; margin-bottom: 0.8rem;
}
.project-tech { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.9rem; }
.tech-tag {
  padding: 0.18rem 0.5rem;
  background: rgba(168,85,247,.1);
  border: 1px solid rgba(168,85,247,.2);
  border-radius: 4px;
  font-size: 0.68rem; color: var(--purple);
}
.project-link-btn {
  display: inline-flex; align-items: center;
  padding: 0.38rem 0.85rem;
  background: rgba(74,144,226,.1);
  border: 1px solid rgba(74,144,226,.3);
  border-radius: 8px;
  color: var(--blue); text-decoration: none;
  font-size: 0.76rem; font-weight: 500;
  transition: all 0.22s ease;
}
.project-link-btn:hover {
  background: rgba(74,144,226,.22);
  box-shadow: 0 0 16px rgba(74,144,226,.32);
}

/* ═══════════════════════════════════════════════════════════
   EXPERIENCE PANEL
═══════════════════════════════════════════════════════════ */
.timeline { position: relative; padding-left: 1.8rem; }
.timeline::before {
  content: '';
  position: absolute; left: 0.45rem;
  top: 0.4rem; bottom: 0; width: 1px;
  background: linear-gradient(to bottom, var(--yellow), transparent);
}
.timeline-item { position: relative; margin-bottom: 1.5rem; }
.timeline-dot {
  position: absolute; left: -1.52rem; top: 0.45rem;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 12px rgba(234,179,8,.65);
}
.timeline-body {
  background: rgba(255,255,255,.02);
  border: 1px solid var(--glass-border);
  border-radius: 12px; padding: 1.1rem;
  transition: border-color 0.22s ease;
}
.timeline-body:hover { border-color: rgba(234,179,8,.22); }
.timeline-header {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 0.75rem;
  margin-bottom: 0.25rem;
}
.timeline-role {
  font-family: var(--font-display);
  font-size: 0.9rem; font-weight: 700; color: var(--text-primary);
}
.timeline-date { font-size: 0.7rem; color: var(--yellow); white-space: nowrap; flex-shrink: 0; }
.timeline-company { font-size: 0.78rem; color: var(--blue); margin-bottom: 0.65rem; }
.timeline-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.65; }

/* ═══════════════════════════════════════════════════════════
   EDUCATION PANEL
═══════════════════════════════════════════════════════════ */
.education-cards { display: flex; flex-direction: column; gap: 1rem; }
.edu-card {
  background: rgba(255,255,255,.02);
  border: 1px solid var(--glass-border);
  border-radius: 14px; padding: 1.4rem;
  position: relative; overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.edu-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(34,197,94,.04) 0%, transparent 60%);
  pointer-events: none;
}
.edu-card:hover { border-color: rgba(34,197,94,.28); transform: translateY(-2px); }
.edu-icon { font-size: 1.6rem; margin-bottom: 0.65rem; }
.edu-degree {
  font-family: var(--font-display);
  font-size: 0.9rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: 0.25rem;
}
.edu-institution { font-size: 0.8rem; color: var(--green); margin-bottom: 0.18rem; }
.edu-period { font-size: 0.68rem; color: var(--text-muted); letter-spacing: 0.05em; margin-bottom: 0.65rem; }
.edu-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.65; }

/* ═══════════════════════════════════════════════════════════
   CERTIFICATIONS PANEL
═══════════════════════════════════════════════════════════ */
.certification-list { display: flex; flex-direction: column; gap: 0.9rem; }
.certification-card {
  display: flex; align-items: flex-start; gap: 0.9rem;
  padding: 1.2rem;
  background: rgba(255,255,255,.02);
  border: 1px solid rgba(20,184,166,.26);
  border-radius: 14px;
}
.certification-card-pending { box-shadow: inset 3px 0 0 #14b8a6; }
.certification-mark {
  display: grid; place-items: center; flex-shrink: 0;
  width: 34px; height: 34px; border-radius: 50%;
  color: #5eead4; background: rgba(20,184,166,.12);
  font-size: 1rem;
}
.certification-status {
  margin-bottom: 0.3rem; color: #5eead4;
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
}
.certification-name {
  font-family: var(--font-display); font-size: 0.86rem;
  color: var(--text-primary); margin-bottom: 0.45rem;
}
.certification-desc, .certification-note p {
  color: var(--text-secondary); font-size: 0.78rem; line-height: 1.6;
}
.certification-note {
  display: flex; align-items: center; gap: 0.65rem;
  padding: 0.8rem 1rem; border: 1px dashed var(--glass-border);
  color: var(--text-muted); border-radius: 10px;
}
.certification-note span { color: #5eead4; font-size: 1.2rem; }

/* ═══════════════════════════════════════════════════════════
   CONTACT PANEL
═══════════════════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}
.contact-card {
  background: rgba(255,255,255,.02);
  border: 1px solid var(--glass-border);
  border-radius: 14px; padding: 1.2rem;
  text-decoration: none; display: block;
  transition: all 0.25s ease;
}
.contact-card:hover {
  border-color: rgba(74,144,226,.38);
  transform: translateY(-3px);
  background: rgba(74,144,226,.04);
  box-shadow: 0 8px 30px rgba(0,0,0,.4), 0 0 18px rgba(74,144,226,.1);
}
.contact-icon { font-size: 1.4rem; margin-bottom: 0.45rem; }
.contact-label {
  font-family: var(--font-display);
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.1em; color: var(--text-primary); margin-bottom: 0.22rem;
}
.contact-value { font-size: 0.73rem; color: var(--text-secondary); word-break: break-all; }

/* ═══════════════════════════════════════════════════════════
   PANEL ENTER ANIMATION
═══════════════════════════════════════════════════════════ */
@keyframes panelFadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.panel.active .panel-scroll > * {
  animation: panelFadeUp 0.4s ease both;
}
.panel.active .panel-scroll > *:nth-child(1) { animation-delay: 0.06s; }
.panel.active .panel-scroll > *:nth-child(2) { animation-delay: 0.12s; }
.panel.active .panel-scroll > *:nth-child(3) { animation-delay: 0.18s; }
.panel.active .panel-scroll > *:nth-child(4) { animation-delay: 0.24s; }
.panel.active .panel-scroll > *:nth-child(5) { animation-delay: 0.30s; }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --panel-w: 100vw; --hud-h: 54px; }
  #hud-nav { display: none; }
  .brand-info { display: none; }
  .music-label { display: none; }
  #panel-close-btn {
    right: 1rem;
    top: calc(var(--hud-h) + 0.7rem);
  }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  #explore-hint {
    width: calc(100vw - 2rem);
    justify-content: center;
    text-align: center;
    white-space: normal;
    line-height: 1.45;
  }
  .about-bio { font-size: 0.82rem; }
}