/* ═══════════════════════════════════════════════════════════
   FreakFrequency — mapping & design d'événement
   Ultra minimal · électro · noir #0a0a0c + violet laser #7c5cff
   (palette héritée de lab.dd3d.fr/embed/ec-bg-001)
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg: #0a0a0c;
  --bg-2: #0e0e12;
  --ink: #f2f2f4;
  --ink-dim: rgba(242, 242, 244, 0.55);
  --ink-faint: rgba(242, 242, 244, 0.28);
  --accent: #7c5cff;
  --accent-soft: rgba(124, 92, 255, 0.35);
  --line: rgba(242, 242, 244, 0.10);
  --grid: rgba(242, 242, 244, 0.035);

  --font-display: "Unbounded", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --font-body: "Instrument Sans", system-ui, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --gutter: clamp(20px, 5vw, 72px);
}

* { box-sizing: border-box; }

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(0deg, transparent calc(100% - 1px), var(--grid) calc(100% - 1px)),
    linear-gradient(90deg, transparent calc(100% - 1px), var(--grid) calc(100% - 1px)),
    var(--bg);
  background-size: 72px 72px, 72px 72px, auto;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--bg); }

a { color: inherit; text-decoration: none; }

.mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.mono-label.accent { color: var(--accent); }

/* ── HUD ─────────────────────────────────────────────────── */
.hud {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--gutter);
  mix-blend-mode: difference;
}
.hud-logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
}
.hud-logo span { font-weight: 200; }
.hud-nav { display: flex; gap: clamp(14px, 3vw, 36px); }
.hud-nav a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  transition: color 0.3s var(--ease-out);
}
.hud-nav a:hover { color: var(--ink); }

.hud-tc, .hud-meta {
  position: fixed;
  bottom: 18px;
  z-index: 10;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  mix-blend-mode: difference;
}
.hud-tc { left: var(--gutter); display: flex; align-items: center; gap: 8px; }
.hud-meta { right: var(--gutter); }
.tc-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: blink 2s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0.15; } }

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-sketch {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  pointer-events: none;
}
.hero-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 30% 45%, rgba(10,10,12,0.2) 0%, rgba(10,10,12,0.82) 78%),
    linear-gradient(180deg, rgba(10,10,12,0.55), transparent 30%, transparent 62%, var(--bg) 100%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding: 0 var(--gutter);
  max-width: 1100px;
}
.hero-title {
  margin: 22px 0 28px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(38px, 7.2vw, 104px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.hero-title .line { display: block; }
.hero-title .accent { color: var(--accent); font-weight: 200; }
.hero-sub {
  max-width: 52ch;
  color: var(--ink-dim);
  font-size: clamp(15px, 1.6vw, 18px);
}
.hero-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.hero-cta a {
  color: var(--ink-dim);
  padding-bottom: 3px;
  border-bottom: 1px solid var(--accent-soft);
  transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}
.hero-cta a:hover { color: var(--accent); border-color: var(--accent); }

.scroll-cue {
  position: absolute;
  right: var(--gutter);
  bottom: 48px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
}
.cue-line {
  width: 1px; height: 72px;
  background: linear-gradient(var(--accent), transparent);
  animation: cue 2.4s var(--ease-out) infinite;
  transform-origin: top;
}
@keyframes cue {
  0% { transform: scaleY(0); opacity: 0; }
  35% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1) translateY(30px); opacity: 0; }
}

/* ── SCROLL MOVIE ────────────────────────────────────────── */
.film { height: 520vh; position: relative; }
.film-sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
}
.film-frame .corner {
  position: absolute;
  width: 22px; height: 22px;
  border: 1px solid var(--ink-faint);
  z-index: 3;
}
.film-frame .tl { top: 70px; left: var(--gutter); border-right: 0; border-bottom: 0; }
.film-frame .tr { top: 70px; right: var(--gutter); border-left: 0; border-bottom: 0; }
.film-frame .bl { bottom: 54px; left: var(--gutter); border-right: 0; border-top: 0; }
.film-frame .br { bottom: 54px; right: var(--gutter); border-left: 0; border-top: 0; }

.film-progress {
  position: absolute;
  top: 70px; left: 50%;
  transform: translateX(-50%);
  width: min(320px, 40vw);
  height: 1px;
  background: var(--line);
  z-index: 3;
}
.film-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-soft);
}

.scene {
  position: absolute;
  inset: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
  gap: clamp(16px, 4vw, 64px);
  padding: 90px var(--gutter);
  opacity: 0;
  pointer-events: none;
  transition: none;
}
.scene svg {
  width: 100%;
  height: min(56vh, 520px);
}
.scene svg * {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}
.scene svg .beam { stroke: var(--accent); }
.scene svg .beam-fill {
  stroke: none;
  fill: url(#beamGrad);
  fill: var(--accent-soft);
  opacity: 0;
}
.scene figcaption h2 {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 3.4vw, 44px);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.scene figcaption p {
  color: var(--ink-dim);
  max-width: 40ch;
  font-size: 15px;
}

/* ── TEASER ──────────────────────────────────────────────── */
.teaser {
  padding: clamp(90px, 14vh, 160px) var(--gutter);
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 2.2fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: end;
}
.teaser-head h2 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 3.8vw, 52px);
  line-height: 1.08;
  text-transform: uppercase;
}
.teaser-media { margin: 0; position: relative; }
.teaser-media video {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
}
.teaser-media figcaption {
  margin-top: 12px;
  color: var(--ink-faint);
}
.teaser.alt { grid-template-columns: 2.2fr minmax(240px, 1fr); padding-top: 0; }
.teaser.alt .teaser-head { order: 2; }
.teaser.alt .teaser-media { order: 1; }
.partner {
  margin: 22px 0 0;
  font-size: 14px;
  color: var(--ink-dim);
}
.partner a, .partner-inline {
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
  transition: color 0.3s var(--ease-out);
}
.partner a:hover, .partner-inline:hover { color: var(--accent); }

/* ── TERRAIN (photos) ────────────────────────────────────── */
.terrain {
  padding: 0 var(--gutter) clamp(60px, 10vh, 120px);
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(14px, 2vw, 28px);
}
.t-photo { margin: 0; position: relative; }
.t-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border: 1px solid var(--line);
  filter: grayscale(0.35) contrast(1.02);
  transition: filter 0.6s var(--ease-out);
}
.t-photo:hover img { filter: none; }
.t-photo figcaption {
  position: absolute;
  left: 12px; bottom: 10px;
  color: var(--ink-dim);
  text-shadow: 0 1px 6px rgba(0,0,0,0.8);
}
.t-a { grid-column: 1 / 6; aspect-ratio: 4 / 3; margin-top: 60px; }
.t-b { grid-column: 6 / 10; aspect-ratio: 1 / 1; }
.t-c { grid-column: 10 / 13; aspect-ratio: 16 / 10; margin-top: 120px; }

/* ── RECHERCHES IA ───────────────────────────────────────── */
.ia-sub {
  margin: 18px 0 0;
  max-width: 58ch;
  color: var(--ink-dim);
  font-size: 15px;
}
.ia-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 2vw, 28px);
}
.ia-item { margin: 0; }
.ia-item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  border: 1px solid var(--line);
  transition: filter 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.ia-item:hover img { filter: brightness(1.12); }
.ia-item figcaption { margin-top: 10px; color: var(--ink-faint); }
@media (max-width: 820px) {
  .ia-grid { grid-template-columns: 1fr; }
}

/* ── BLOCKS (références / services) ──────────────────────── */
.block {
  padding: clamp(90px, 14vh, 160px) var(--gutter);
  max-width: 1280px;
  margin: 0 auto;
}
.block-head { margin-bottom: clamp(36px, 6vh, 64px); }
.block-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(30px, 4.4vw, 56px);
  text-transform: uppercase;
}

.refs {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.ref {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: clamp(14px, 3vw, 40px);
  align-items: baseline;
  padding: clamp(24px, 4vh, 40px) 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.4s var(--ease-out), padding-left 0.4s var(--ease-out);
}
.ref:hover { background: var(--bg-2); padding-left: 12px; }
.ref-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.2em;
}
.ref-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(17px, 2vw, 23px);
  letter-spacing: 0.01em;
}
.ref-body p { margin: 0; color: var(--ink-dim); max-width: 62ch; font-size: 15px; }
.ref-tags {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

.services {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.services li {
  background: var(--bg);
  padding: clamp(24px, 3.4vw, 44px);
  transition: background 0.4s var(--ease-out);
}
.services li:hover { background: var(--bg-2); }
.services h3 {
  margin: 18px 0 10px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: 0.02em;
}
.services p { margin: 0; color: var(--ink-dim); font-size: 14px; }

/* ── CONTACT ─────────────────────────────────────────────── */
.contact {
  position: relative;
  padding: clamp(100px, 18vh, 200px) var(--gutter) 120px;
  text-align: center;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.contact-sketch {
  position: absolute;
  inset: -40px;
  width: calc(100% + 80px);
  height: calc(100% + 80px);
  border: 0;
  pointer-events: none;
  filter: blur(8px) brightness(0.55) saturate(0.9);
  opacity: 0.7;
}
.contact-veil {
  position: absolute;
  inset: 0;
  background: radial-gradient(90% 80% at 50% 55%, rgba(10,10,12,0.25), rgba(10,10,12,0.92));
  pointer-events: none;
}
.contact-inner { position: relative; z-index: 1; }
.contact-inner > .mono-label { display: block; }
.contact-mail {
  display: inline-block;
  margin: 26px 0 34px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(19px, 3.4vw, 44px);
  letter-spacing: 0.01em;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 10px;
  transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}
.contact-mail:hover { color: var(--accent); }
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 30px;
}
.btn-contact {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 26px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--bg);
  transition: background 0.3s var(--ease-out), color 0.3s var(--ease-out);
}
.btn-contact:hover { background: transparent; color: var(--accent); }
.btn-contact.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-contact.ghost:hover { border-color: var(--accent); color: var(--accent); }
.colophon a { border-bottom: 1px solid var(--line); }
.colophon a:hover { color: var(--ink); }

.contact-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 28px;
  color: var(--ink-dim);
  font-size: 14px;
}
.contact-meta a { border-bottom: 1px solid var(--line); }
.contact-meta a:hover { color: var(--ink); }
.colophon { margin-top: 64px; color: var(--ink-faint); }

/* ── Reveals ─────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.18s; }
.reveal.d3 { transition-delay: 0.28s; }
.reveal.d4 { transition-delay: 0.42s; }

/* ── Responsive / motion ─────────────────────────────────── */
@media (max-width: 820px) {
  .scene { grid-template-columns: 1fr; align-content: center; padding-top: 110px; }
  .scene svg { height: 34vh; }
  .ref { grid-template-columns: 44px 1fr; }
  .ref-tags { grid-column: 2; }
  .hud-meta { display: none; }
  .teaser, .teaser.alt { grid-template-columns: 1fr; align-items: start; }
  .teaser.alt .teaser-head { order: 1; }
  .teaser.alt .teaser-media { order: 2; }
  .terrain { grid-template-columns: 1fr 1fr; gap: 14px; }
  .t-a { grid-column: 1 / 3; margin-top: 0; }
  .t-b { grid-column: 1 / 2; }
  .t-c { grid-column: 2 / 3; margin-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .cue-line, .tc-dot { animation: none; }
  .film { height: auto; }
  .film-sticky { position: static; height: auto; overflow: visible; }
  .scene { position: static; opacity: 1; grid-template-columns: 1fr; padding: 60px var(--gutter); }
  .film-progress, .film-frame { display: none; }
}