:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --card: #16161f;
  --border: #2a2a3a;
  --accent: #7c3aed;
  --accent2: #06b6d4;
  --accent3: #10b981;
  --text: #e2e8f0;
  --muted: #64748b;
  --glow: rgba(124, 58, 237, 0.3);
  --glow2: rgba(6, 182, 212, 0.25);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Canvas background ── */
#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ── Layout ── */
.page { position: relative; z-index: 1; }

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(10, 10, 15, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

nav a:hover { color: var(--text); }

/* ── Hero ── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
}

.hero-tag {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}

.hero-name {
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 900;
  line-height: 1.15;
  padding-bottom: 0.1em;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 30%, var(--accent) 70%, var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s forwards;
}

.hero-sub {
  margin-top: 1.5rem;
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--muted);
  max-width: 560px;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s forwards;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid;
  transition: transform 0.2s, box-shadow 0.2s;
}

.badge:hover {
  transform: translateY(-2px);
}

.badge-purple {
  color: #c4b5fd;
  border-color: #7c3aed88;
  background: #7c3aed18;
  box-shadow: 0 0 0 0 var(--glow);
}
.badge-purple:hover { box-shadow: 0 0 16px var(--glow); }

.badge-cyan {
  color: #67e8f9;
  border-color: #06b6d488;
  background: #06b6d418;
}
.badge-cyan:hover { box-shadow: 0 0 16px var(--glow2); }

.badge-green {
  color: #6ee7b7;
  border-color: #10b98188;
  background: #10b98118;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-top: 3rem;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.8s 1s forwards;
}

.btn {
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #6d28d9);
  color: #fff;
  border: none;
  box-shadow: 0 4px 24px rgba(124,58,237,0.4);
}

.btn-primary:hover { box-shadow: 0 8px 32px rgba(124,58,237,0.6); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover { border-color: var(--accent2); color: var(--accent2); }

/* ── Sections ── */
section {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 3rem;
  color: var(--text);
}

/* ── Cards grid ── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, var(--glow));
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover::before { opacity: 1; }
.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(124,58,237,0.15);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent2);
  text-decoration: none;
  transition: gap 0.2s;
}

.card-link:hover { gap: 0.5rem; }

/* ── Server cards ── */
.server-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.server-card:hover {
  border-color: var(--accent2);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(6,182,212,0.12);
}

.server-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.server-icon {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.server-icon-radium { background: linear-gradient(135deg, #7c3aed22, #7c3aed44); border: 1px solid #7c3aed66; }
.server-icon-rtfm   { background: linear-gradient(135deg, #10b98122, #10b98144); border: 1px solid #10b98166; }

.server-name { font-size: 1.2rem; font-weight: 700; }
.server-role {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-top: 0.2rem;
}

.server-desc {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.spec-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.spec-list li::before {
  content: '▸';
  color: var(--accent3);
  font-size: 0.7rem;
}

.mc-addresses {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
}

.mc-addr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  font-family: 'Courier New', monospace;
  gap: 1rem;
}

.mc-addr-label { color: var(--muted); font-family: inherit; }
.mc-addr-val { color: var(--accent2); font-weight: 600; }

/* ── Repos ── */
.repo-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: border-color 0.3s, transform 0.3s;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.repo-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.repo-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent2);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.repo-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
  flex: 1;
}

.repo-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 0.25rem;
}

.repo-lang {
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.lang-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}

.lang-py   { background: #3572A5; }
.lang-cpp  { background: #f34b7d; }
.lang-bat  { background: #C1F12E; }

.repo-stars {
  font-size: 0.75rem;
  color: #fbbf24;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

/* ── Skills ── */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-pill {
  padding: 0.45rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
  cursor: default;
}

.skill-pill:hover {
  border-color: var(--accent);
  color: #c4b5fd;
  transform: scale(1.05);
}

/* ── Terminal ── */
.terminal {
  background: #0d0d14;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.8;
}

.terminal-bar {
  background: var(--surface);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.terminal-body { padding: 1.25rem 1.5rem 1.5rem; }
.t-prompt { color: var(--accent); }
.t-cmd { color: var(--text); }
.t-out { color: var(--muted); }
.t-key { color: var(--accent2); }
.t-val { color: var(--accent3); }

/* ── Neofetch ── */
.nf-cmd-line { font-family: 'Courier New', monospace; font-size: 0.78rem; margin-bottom: 0.9rem; }
.neofetch-wrap { display: flex; gap: 1.5rem; align-items: flex-start; overflow-x: auto; }
.neofetch-art {
  white-space: pre;
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  line-height: 1.42;
  flex-shrink: 0;
  background: linear-gradient(160deg, var(--accent2) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  user-select: none;
}
.neofetch-info {
  display: flex;
  flex-direction: column;
  gap: 0.17rem;
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  line-height: 1.5;
  min-width: 0;
}
.nf-user { font-weight: 700; font-size: 0.8rem; }
.nf-user-a { color: var(--accent2); }
.nf-user-sep { color: var(--muted); }
.nf-sep { color: var(--muted); margin-bottom: 0.1rem; }
.nf-row { display: flex; white-space: nowrap; }
.nf-k { color: var(--accent2); font-weight: 700; }
.nf-v { color: var(--text); }
.nf-swatch-row { display: flex; gap: 3px; margin-top: 0.35rem; flex-wrap: wrap; }
.nf-swatch { width: 12px; height: 12px; border-radius: 2px; }

/* ── Divider ── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0 auto;
  max-width: 1100px;
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  letter-spacing: 0.05em;
}

footer a { color: var(--accent2); text-decoration: none; }

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Keyframes ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── Music Player ── */
#music-player {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  width: 320px;
  background: rgba(16, 16, 25, 0.92);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6), 0 0 0 1px rgba(124,58,237,0.1);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s;
}

#music-player.hidden {
  transform: translateY(calc(100% + 2rem));
  opacity: 0;
  pointer-events: none;
}

.mp-art-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
}

.mp-art {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 12s linear;
}

.mp-art.spinning { transform: scale(1.08); }

.mp-art-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(16,16,25,0.95) 100%);
}

.mp-body {
  padding: 1rem 1.25rem 1.25rem;
}

.mp-meta {
  margin-bottom: 0.9rem;
}

.mp-title {
  font-size: 1rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}

.mp-artist {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.15rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mp-album {
  font-size: 0.72rem;
  color: var(--accent2);
  margin-top: 0.1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0.8;
}

/* progress bar */
.mp-progress-wrap {
  position: relative;
  height: 3px;
  background: var(--border);
  border-radius: 999px;
  margin-bottom: 0.75rem;
  cursor: pointer;
}

.mp-progress-wrap:hover { height: 5px; margin-bottom: calc(0.75rem - 1px); }
.mp-progress-wrap:hover .mp-progress-thumb { opacity: 1; }

.mp-progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  width: 0%;
  transition: width 0.25s linear;
  pointer-events: none;
}

.mp-progress-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #fff;
  opacity: 0;
  transition: opacity 0.2s, left 0.25s linear;
  pointer-events: none;
}

.mp-times {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: -0.4rem;
  margin-bottom: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.mp-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
}

.mp-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, transform 0.15s;
  padding: 0;
}

.mp-btn:hover { color: var(--text); transform: scale(1.15); }

.mp-btn-play {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #6d28d9);
  color: #fff !important;
  box-shadow: 0 4px 16px rgba(124,58,237,0.4);
  transition: transform 0.15s, box-shadow 0.2s !important;
}

.mp-btn-play:hover {
  transform: scale(1.08) !important;
  box-shadow: 0 6px 24px rgba(124,58,237,0.6) !important;
}

.mp-volume-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.mp-vol-icon { color: var(--muted); flex-shrink: 0; }

.mp-vol-slider {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 3px;
  border-radius: 999px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}

.mp-vol-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent2);
  cursor: pointer;
}

/* toggle button */
#mp-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 201;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(124,58,237,0.5);
  transition: transform 0.2s, box-shadow 0.2s;
  color: #fff;
}

#mp-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(124,58,237,0.7);
}

#mp-toggle.open { opacity: 0; pointer-events: none; }

#mp-close {
  position: absolute;
  top: 0.6rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.2rem 0.4rem;
  transition: color 0.2s;
}

#mp-close:hover { color: var(--text); }

/* ── Mobile ── */
@media (max-width: 640px) {
  nav ul { display: none; }
  .hero-name { font-size: 3rem; }
}