/* ═══════════════════════════════════════════════════════════
   David Wheelen — Personal Website
   Liquid-glass macOS desktop aesthetic
   ═══════════════════════════════════════════════════════════ */

/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --glass-bg:       rgba(255, 255, 255, 0.05);
  --glass-border:   rgba(255, 255, 255, 0.18);
  --glass-shadow:   0 8px 32px rgba(0, 0, 0, 0.37);
  --glass-blur:     blur(40px) saturate(200%);
  --glass-inner:    inset 0 1px 1px rgba(255,255,255,0.3), inset 0 -1px 1px rgba(0,0,0,0.1);
  --text-primary:   rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.65);
  --radius-window:  14px;
  --radius-card:    12px;
  --transition:     0.25s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  color: var(--text-primary);
  user-select: none;
}

/* ── Wallpaper ────────────────────────────────────────────── */
.wallpaper {
  position: fixed;
  inset: 0;
  z-index: 0;
  transition: opacity 1.8s ease;
  background-size: cover;
  background-position: center;
  will-change: opacity;
}

/* ── Menu Bar ─────────────────────────────────────────────── */
.menubar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 28px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: rgba(15, 15, 15, 0.65);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05), 
              0 4px 12px rgba(0,0,0,0.2);
  font-size: 13px;
  font-weight: 500;
}

.menubar-left, .menubar-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.apple-logo {
  font-size: 16px;
  margin-right: 4px;
  opacity: 0.9;
}

.menubar-item {
  padding: 0 8px;
  line-height: 28px;
  border-radius: 5px;
  cursor: default;
  transition: background var(--transition);
}
.menubar-item:hover,
.menubar-item.active { background: rgba(255,255,255,0.15); }

#menubar-clock { font-variant-numeric: tabular-nums; letter-spacing: 0.01em; }

/* ── Desktop ──────────────────────────────────────────────── */
.desktop {
  position: fixed;
  top: 28px; left: 0; right: 0; bottom: 80px;
  z-index: 10;
  overflow: visible;
}

/* ── Glass Window ─────────────────────────────────────────── */
.window {
  position: absolute;
  min-width: 320px;
  background: var(--glass-bg);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-window);
  box-shadow: var(--glass-shadow), var(--glass-inner);
  overflow: hidden;
  animation: windowOpen 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  will-change: transform;
}

@keyframes windowOpen {
  from { transform: scale(0.88); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

.window.closing {
  animation: windowClose 0.22s ease forwards;
}
@keyframes windowClose {
  to { transform: scale(0.88); opacity: 0; }
}

/* Window title bar */
.window-titlebar {
  display: flex;
  align-items: center;
  height: 38px;
  padding: 0 12px;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
  cursor: grab;
  gap: 8px;
}
.window-titlebar:active { cursor: grabbing; }

.window-title {
  flex: 1;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  opacity: 0.85;
  pointer-events: none;
}

/* Traffic-light buttons */
.window-controls {
  display: flex;
  gap: 7px;
  align-items: center;
}

.btn-close, .btn-minimize, .btn-maximize {
  width: 13px; height: 13px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: filter 0.15s;
}
.btn-close    { background: #ff5f57; box-shadow: 0 0 0 1px rgba(0,0,0,0.18); }
.btn-minimize { background: #febc2e; box-shadow: 0 0 0 1px rgba(0,0,0,0.18); }
.btn-maximize { background: #28c840; box-shadow: 0 0 0 1px rgba(0,0,0,0.18); }

.window-controls:hover .btn-close::after    { content:"✕"; position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-size:8px; color:rgba(0,0,0,0.6); }
.window-controls:hover .btn-minimize::after { content:"—"; position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-size:9px; color:rgba(0,0,0,0.5); }
.window-controls:hover .btn-maximize::after { content:"⤢"; position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-size:9px; color:rgba(0,0,0,0.5); }

/* Window content scroll area */
.window-content {
  padding: 20px;
  overflow-y: auto;
  max-height: calc(100vh - 200px);
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.25) transparent;
}
.window-content::-webkit-scrollbar { width: 5px; }
.window-content::-webkit-scrollbar-track { background: transparent; }
.window-content::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.25); border-radius: 9px; }

/* ── Bio Window ───────────────────────────────────────────── */
.bio-content {}

.profile-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
}

.avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7928CA, #FF0080);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(121, 40, 202, 0.5);
}

.profile-name {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
}

.profile-tagline {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.bio-text p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  color: var(--text-primary);
  font-size: 13px;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}
.social-btn:hover {
  background: rgba(255,255,255,0.22);
  transform: translateY(-1px);
}

/* ── Section Heading ──────────────────────────────────────── */
.section-heading {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
  opacity: 0.9;
}

/* ── Services ─────────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.service-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-card);
  padding: 16px;
  transition: background var(--transition), transform var(--transition);
}
.service-card:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

.service-icon { font-size: 28px; margin-bottom: 8px; }
.service-card h3 { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.service-card p  { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }

/* ── Projects ─────────────────────────────────────────────── */
.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.project-card {
  display: flex;
  gap: 16px;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-card);
  padding: 14px;
  transition: background var(--transition), transform var(--transition);
}
.project-card:hover { background: rgba(255,255,255,0.13); transform: translateX(2px); }

.project-preview {
  width: 100px;
  height: 70px;
  border-radius: 8px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.gradient-preview {
  background: linear-gradient(135deg, #7928CA, #FF0080);
  animation: gradientShift 4s ease infinite alternate;
}
@keyframes gradientShift {
  from { background: linear-gradient(135deg, #7928CA, #FF0080); }
  to   { background: linear-gradient(135deg, #FF0080, #7928CA); }
}

.clock-preview-wrap { background: rgba(255,255,255,0.08); }

.clock-mini {
  font-size: 22px;
  font-weight: 200;
  font-variant-numeric: tabular-nums;
  color: #fff;
}

.reaction-preview {
  background: linear-gradient(135deg, #0f2027, #2c5364);
}

.project-info { flex: 1; }
.project-info h3 { font-size: 15px; font-weight: 600; margin-bottom: 5px; }
.project-info p  { font-size: 12px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 10px; }

.demo-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(99, 179, 255, 0.25);
  border: 1px solid rgba(99, 179, 255, 0.40);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.demo-btn:hover {
  background: rgba(99, 179, 255, 0.40);
  transform: translateY(-1px);
}

/* ── Demo: Gradient Studio ────────────────────────────────── */
.demo-gradient-content {}

.gradient-canvas {
  height: 160px;
  border-radius: 10px;
  background: linear-gradient(to right, #7928CA, #FF0080);
  margin-bottom: 16px;
  transition: background 0.4s ease;
}

.gradient-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
  font-size: 13px;
}

.gradient-controls label {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text-secondary);
}

.gradient-controls input[type="color"] {
  width: 36px; height: 28px;
  border: none; border-radius: 5px;
  cursor: pointer; padding: 2px;
  background: rgba(255,255,255,0.1);
}

.gradient-controls select {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 6px;
  color: #fff;
  padding: 4px 8px;
  font-size: 13px;
  cursor: pointer;
}

.gradient-css-output {
  background: rgba(0,0,0,0.30);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 12px;
  color: #a5f3b4;
  word-break: break-all;
  min-height: 44px;
  transition: all 0.2s;
}

/* ── Demo: Glass Clock ────────────────────────────────────── */
.demo-clock-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.analog-clock-wrap {
  display: flex;
  justify-content: center;
}

.analog-clock {
  position: relative;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 2px solid rgba(255,255,255,0.25);
  box-shadow: 0 0 40px rgba(121, 40, 202, 0.3), var(--glass-inner);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.clock-numbers {
  position: absolute; inset: 0;
}
.clock-numbers span {
  position: absolute;
  left: 50%; top: 50%;
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  transform:
    translate(-50%, -50%)
    rotate(calc(var(--n) * 30deg))
    translateY(-90px)
    rotate(calc(var(--n) * -30deg));
}

.clock-hand {
  position: absolute;
  bottom: 50%; left: 50%;
  transform-origin: bottom center;
  border-radius: 4px;
}

.hour-hand {
  width: 5px; height: 60px;
  background: rgba(255,255,255,0.9);
  margin-left: -2.5px;
  border-radius: 5px;
}

.minute-hand {
  width: 3px; height: 80px;
  background: rgba(255,255,255,0.8);
  margin-left: -1.5px;
  border-radius: 5px;
}

.second-hand {
  width: 1.5px; height: 90px;
  background: #ff5f57;
  margin-left: -0.75px;
  border-radius: 5px;
}

.clock-center {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #fff;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

.digital-clock {
  font-size: 28px;
  font-weight: 200;
  letter-spacing: 3px;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
  text-shadow: 0 0 20px rgba(255,255,255,0.4);
}

/* ── Demo: Reaction Timer ─────────────────────────────────── */
.demo-reaction-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.reaction-arena {
  height: 160px;
  border-radius: 12px;
  background: rgba(0,0,0,0.35);
  border: 2px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.reaction-arena.waiting {
  background: rgba(255, 214, 0, 0.18);
  border-color: rgba(255, 214, 0, 0.45);
}

.reaction-arena.go {
  background: rgba(40, 200, 64, 0.35);
  border-color: rgba(40, 200, 64, 0.6);
}

.reaction-arena.too-early {
  background: rgba(255, 59, 48, 0.35);
  border-color: rgba(255, 59, 48, 0.6);
}

.reaction-text { color: var(--text-primary); }

.reaction-scoreboard {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.reaction-stat {
  flex: 1;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}

.stat-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-value {
  display: block;
  font-size: 20px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ── Dock ─────────────────────────────────────────────────── */
.dock-container {
  position: fixed;
  bottom: 10px; left: 0; right: 0;
  display: flex;
  justify-content: center;
  z-index: 1000;
  pointer-events: none;
}

.dock {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding: 8px 12px;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(40px) saturate(200%);
  -webkit-backdrop-filter: blur(40px) saturate(200%);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 1px rgba(255,255,255,0.3),
    inset 0 -1px 1px rgba(0,0,0,0.1);
  pointer-events: auto;
}

.dock-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition);
}
.dock-item:hover { transform: translateY(-12px) scale(1.25); }
.dock-item:hover .dock-label { opacity: 1; transform: translateY(-4px); }

.dock-icon {
  width: 52px; height: 52px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  transition: box-shadow var(--transition);
}
.dock-item:hover .dock-icon {
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.dock-label {
  position: absolute;
  bottom: calc(100% + 10px);
  white-space: nowrap;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  transform: translateY(0);
}

.dock-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: rgba(255,255,255,0.7);
  margin-top: 3px;
  opacity: 0;
  transition: opacity var(--transition);
}
.dock-dot.active { opacity: 1; }

.dock-separator {
  width: 1px;
  height: 44px;
  background: rgba(255,255,255,0.25);
  margin: 0 4px;
  align-self: center;
}

/* ── Tabler Icons ─────────────────────────────────────────── */
.ti {
  font-size: 1.2em;
  vertical-align: middle;
  margin-right: 4px;
}

.service-icon .ti {
  font-size: 2.5em;
  margin-right: 0;
}

.dock-icon .ti {
  font-size: 2em;
  margin-right: 0;
}

/* ── Utility ──────────────────────────────────────────────── */
.window.maximized {
  top: 4px !important;
  left: 4px !important;
  width: calc(100% - 8px) !important;
  height: calc(100% - 8px) !important;
  border-radius: 10px;
}

.window.minimized {
  display: none !important;
}