/* ────────────────────────────────────────────────────────
   TechPulse V4 — Liquid Glass + Ticker design system
   ──────────────────────────────────────────────────────── */

:root {
  --bg:           #050810;
  --bg-elevated:  rgba(15, 23, 42, 0.55);
  --text:         #F1F5F9;
  --text-mute:    #94A3B8;
  --red:          #DC2626;
  --red-light:    #EF4444;
  --accent-1:     #6366F1;
  --accent-2:     #EC4899;
  --accent-3:     #22D3EE;
  --glass:        rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
}

* { font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif; }
.body-font, .prose, p:not(.mono):not([class*="mono"]) { font-family: 'DM Sans', sans-serif; }
.mono, code { font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace; font-feature-settings: "tnum" 1, "zero" 1; }

html { scroll-behavior: smooth; color-scheme: dark; }
body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  font-family: 'DM Sans', sans-serif;
}

/* ── Animated mesh gradient ── */
.mesh {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.mesh::before {
  content: ''; position: absolute;
  width: 60vw; height: 60vw; top: -10vw; left: -10vw;
  background: radial-gradient(circle, rgba(220, 38, 38, 0.35) 0%, transparent 70%);
  filter: blur(80px);
  animation: float1 22s ease-in-out infinite;
}
.mesh::after {
  content: ''; position: absolute;
  width: 50vw; height: 50vw; top: 40vh; right: -10vw;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%);
  filter: blur(80px);
  animation: float2 18s ease-in-out infinite;
}
.mesh > div {
  position: absolute;
  width: 40vw; height: 40vw; bottom: -10vh; left: 30vw;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.28) 0%, transparent 70%);
  filter: blur(80px);
  animation: float3 26s ease-in-out infinite;
}
@keyframes float1 { 0%,100%{transform:translate(0,0) scale(1)} 33%{transform:translate(20vw,10vh) scale(1.1)} 66%{transform:translate(-5vw,30vh) scale(0.9)} }
@keyframes float2 { 0%,100%{transform:translate(0,0) scale(1)} 50%{transform:translate(-15vw,-20vh) scale(1.2)} }
@keyframes float3 { 0%,100%{transform:translate(0,0) scale(0.9)} 40%{transform:translate(-20vw,-15vh) scale(1.1)} 80%{transform:translate(10vw,5vh) scale(1)} }

/* Respect reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .mesh::before, .mesh::after, .mesh > div { animation: none; }
  .ticker { animation: none !important; }
  .reveal { animation: none; opacity: 1; transform: none; }
}

/* ── Noise overlay ── */
.noise::after {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: 0.08;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Glass surfaces ── */
.glass {
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 20px 40px -20px rgba(0,0,0,0.6);
  border-radius: 24px;
}
.glass-strong {
  background: var(--bg-elevated);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 28px;
}

/* ── CTA ── */
.cta-red {
  background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%);
  box-shadow: 0 8px 24px -4px rgba(220,38,38,0.4), inset 0 1px 0 rgba(255,255,255,0.2);
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  color: #fff;
}
.cta-red:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -4px rgba(220,38,38,0.5), inset 0 1px 0 rgba(255,255,255,0.3);
}

/* ── Iridescent border ── */
@property --angle { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
.iridescent { position: relative; }
.iridescent::before {
  content: ''; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: conic-gradient(from var(--angle), #DC2626, #EC4899, #6366F1, #22D3EE, #EC4899, #DC2626);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: rotateBorder 6s linear infinite;
  opacity: 0.6;
  pointer-events: none;
}
@keyframes rotateBorder { to { --angle: 360deg; } }

/* ── Reveal animation ── */
.reveal { animation: reveal 1s cubic-bezier(0.22, 1, 0.36, 1) backwards; }
@keyframes reveal {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Pills / badges ── */
.pill {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.2s ease;
}
.pill:hover {
  background: rgba(220, 38, 38, 0.12);
  border-color: rgba(220, 38, 38, 0.4);
}

.badge-pulse { position: relative; }
.badge-pulse::after {
  content: ''; position: absolute; inset: 0; border-radius: 9999px;
  background: inherit; animation: pulseRing 2s ease-out infinite; z-index: -1;
}
@keyframes pulseRing { 0%{transform:scale(1); opacity:0.6} 100%{transform:scale(1.8); opacity:0} }

/* ── Bar animations ── */
.spark-bar {
  background: linear-gradient(90deg, rgba(220,38,38,1) 0%, rgba(236,72,153,0.7) 100%);
  animation: sparkGrow 1.6s cubic-bezier(0.22, 1, 0.36, 1) backwards;
  transform-origin: left;
}
@keyframes sparkGrow { from { transform: scaleX(0); } }

/* ── Orbs ── */
.orb { position: absolute; border-radius: 50%; filter: blur(40px); pointer-events: none; }

/* ── Gradient text ── */
.gradient-text {
  background: linear-gradient(135deg, #F1F5F9 0%, #94A3B8 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.gradient-accent {
  background: linear-gradient(135deg, #EF4444 0%, #EC4899 60%, #6366F1 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ── Ticker ── */
.ticker-wrap {
  position: relative; overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
}
.ticker-wrap::before, .ticker-wrap::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 100px; z-index: 2; pointer-events: none;
}
.ticker-wrap::before { left: 0; background: linear-gradient(90deg, var(--bg) 0%, transparent 100%); }
.ticker-wrap::after { right: 0; background: linear-gradient(-90deg, var(--bg) 0%, transparent 100%); }
.ticker {
  display: flex; gap: 2.5rem; padding: 0.5rem 0;
  white-space: nowrap;
  animation: ticker-slide 80s linear infinite;
  will-change: transform;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
}
.ticker:hover { animation-play-state: paused; }
@keyframes ticker-slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.t-item { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.t-up { color: #10b981; }
.t-dn { color: #ef4444; }
.t-lbl { color: rgba(148, 163, 184, 0.7); }
.t-val { color: #F1F5F9; font-weight: 500; }
.t-sep { color: rgba(148, 163, 184, 0.25); }

/* ── Inputs ── */
.input-field {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #F1F5F9;
  transition: all 0.2s ease;
  border-radius: 12px;
  padding: 0.75rem 1rem;
  width: 100%;
}
.input-field:focus {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(220, 38, 38, 0.5);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
  outline: none;
}
select.input-field option { background: #0F172A; color: white; }

/* ── Chart / viz ── */
.chart-grid line { stroke: rgba(255,255,255,0.05); }
.chart-tick { fill: rgba(148,163,184,0.5); font-family: 'JetBrains Mono', monospace; font-size: 10px; }

/* ── Utilitaires ── */
.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

input[type="checkbox"] {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.2);
  color: #DC2626;
}

/* ── Leaflet dark ── */
.leaflet-container { background: transparent !important; border-radius: 20px; }
.leaflet-tile-pane { filter: invert(1) hue-rotate(180deg) brightness(0.85) contrast(1.1); }
.leaflet-control-attribution { display: none; }
.leaflet-control-zoom a {
  background: rgba(15, 23, 42, 0.7) !important;
  color: #F1F5F9 !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* ── Prose override pour texte d'offre ── */
.prose-invert-tp { color: #cbd5e1; }
.prose-invert-tp h1, .prose-invert-tp h2, .prose-invert-tp h3, .prose-invert-tp h4 { color: #F1F5F9; }
.prose-invert-tp strong { color: #F1F5F9; }
.prose-invert-tp a { color: #EF4444; text-decoration: underline; }

/* ────────────────────────────────────────────────────────
   V4.1 — Interactive primitives
   ──────────────────────────────────────────────────────── */

/* ── Cursor-glow on glass surfaces ── */
.glass, .glass-strong {
  --mx: 50%; --my: 50%;
  position: relative;
  isolation: isolate;
}
.glass::after, .glass-strong::after {
  content: '';
  position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(320px circle at var(--mx) var(--my),
    rgba(220, 38, 38, 0.18), transparent 45%);
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none;
  z-index: 0;
}
.glass:hover::after, .glass-strong:hover::after { opacity: 1; }
.glass > *, .glass-strong > * { position: relative; z-index: 1; }

/* ── Magnetic CTAs ── */
.cta-red, .pill {
  transition: transform .18s cubic-bezier(.2,.8,.2,1),
              background-color .2s ease,
              border-color .2s ease,
              box-shadow .3s cubic-bezier(.4,0,.2,1);
  will-change: transform;
}

/* ── Mesh scroll parallax (JS-driven --scroll) ── */
.mesh { --scroll: 0; }
.mesh::before { transform: translateY(calc(var(--scroll) * -0.15px)) translateZ(0); }
.mesh::after  { transform: translateY(calc(var(--scroll) * 0.08px)) translateZ(0); }
.mesh > div   { transform: translateY(calc(var(--scroll) * -0.05px)) translateZ(0); }
@media (prefers-reduced-motion: reduce) {
  .mesh::before, .mesh::after, .mesh > div { transform: none !important; }
}

/* ── Noise shimmer ── */
.noise::after { animation: noiseShift 2s steps(3) infinite; }
@keyframes noiseShift {
  0%   { background-position: 0 0; }
  33%  { background-position: 60px -40px; }
  66%  { background-position: -50px 90px; }
  100% { background-position: 0 0; }
}
@media (prefers-reduced-motion: reduce) { .noise::after { animation: none; } }

/* ── Scroll reveal (IO-based) ── */
.reveal-io {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s cubic-bezier(.22,1,.36,1),
              transform .7s cubic-bezier(.22,1,.36,1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.reveal-io.in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal-io { opacity: 1; transform: none; }
}

/* ── Spark bar: animate width from 0 on intersect ── */
.spark-bar-io {
  height: 4px;
  background: linear-gradient(90deg, rgba(220,38,38,1) 0%, rgba(236,72,153,0.7) 100%);
  border-radius: 2px;
  width: 0;
  transition: width 1s cubic-bezier(.22,1,.36,1);
  transition-delay: var(--bar-delay, 0ms);
}
.spark-bar-io.in-view { width: var(--bar-target, 100%); }
@media (prefers-reduced-motion: reduce) {
  .spark-bar-io { width: var(--bar-target, 100%); transition: none; }
}

/* ── Salary progress ring ── */
.salary-ring-track { stroke: rgba(255,255,255,0.06); }
.salary-ring-fill {
  stroke: url(#salaryGradient);
  stroke-linecap: round;
  stroke-dasharray: 0 999;
  transition: stroke-dasharray 1.6s cubic-bezier(.22,1,.36,1);
  transition-delay: .2s;
  filter: drop-shadow(0 0 8px rgba(236, 72, 153, 0.5));
}

/* ── Heatmap calendaire (GitHub-style) ── */
.cal-cell {
  width: 11px; height: 11px; border-radius: 2px;
  background: rgba(255,255,255,0.03);
  transition: transform .15s ease, background-color .2s ease;
}
.cal-cell:hover { transform: scale(1.35); z-index: 2; }
.cal-l1 { background: rgba(220, 38, 38, 0.18); }
.cal-l2 { background: rgba(220, 38, 38, 0.38); }
.cal-l3 { background: rgba(236, 72, 153, 0.58); }
.cal-l4 { background: rgba(236, 72, 153, 0.85); box-shadow: 0 0 6px rgba(236,72,153,0.45); }
.cal-legend-cell { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

/* ── Command palette ── */
.cmdk-backdrop {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(5, 8, 16, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: fadeIn .18s ease-out;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.cmdk-modal {
  position: fixed; top: 15vh; left: 50%; transform: translateX(-50%);
  width: min(640px, 92vw); z-index: 101;
  animation: cmdkIn .25s cubic-bezier(.22, 1, .36, 1);
}
@keyframes cmdkIn { from { opacity: 0; transform: translateX(-50%) translateY(-12px) scale(.97); } }
.cmdk-input {
  width: 100%;
  background: transparent; border: 0; outline: 0;
  color: #F1F5F9;
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  padding: 18px 22px;
}
.cmdk-input::placeholder { color: rgba(148, 163, 184, 0.55); }
.cmdk-hit {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; cursor: pointer;
  border-radius: 12px; margin: 0 8px;
  transition: background-color .15s ease;
}
.cmdk-hit.active, .cmdk-hit:hover { background: rgba(220, 38, 38, 0.12); }
.cmdk-hit-icon {
  width: 28px; height: 28px; border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  color: rgba(241, 245, 249, 0.8);
}
.cmdk-kbd {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  padding: 2px 6px; border-radius: 5px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  color: rgba(148, 163, 184, 0.9);
}
.cmdk-group-label {
  padding: 10px 20px 4px; text-transform: uppercase; letter-spacing: 0.12em;
  font-family: 'JetBrains Mono', monospace; font-size: 10px; color: rgba(148,163,184,0.55);
}

/* ── Tech modal ── */
.tech-modal-backdrop {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(5, 8, 16, 0.74);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  animation: fadeIn .2s ease-out;
}
.tech-modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: min(640px, 92vw); max-height: 85vh; overflow-y: auto; z-index: 101;
  animation: cmdkIn .28s cubic-bezier(.22, 1, .36, 1);
}

/* Clickable tech badge */
.tech-badge-clickable {
  cursor: pointer;
  transition: transform .15s ease, filter .15s ease;
}
.tech-badge-clickable:hover { transform: translateY(-1px); filter: brightness(1.18); }

/* ── View Transitions (Chromium 126+) ── */
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) {
  animation-duration: .32s;
  animation-timing-function: cubic-bezier(.22, 1, .36, 1);
}

/* ── Pulse emerald (live indicator) ── */
.live-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, .7);
  animation: livePulse 2.2s cubic-bezier(.66, 0, 0, 1) infinite;
}
@keyframes livePulse {
  0%   { box-shadow: 0 0 0 0 rgba(16, 185, 129, .55); }
  70%  { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ── Count-up anchor (prevents layout shift) ── */
.countup {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}