/* ============================================================
   P.U EVENTS — Feuille de styles
   Palette : noir profond / bleu marine / anthracite / blanc
   Accent bleu électrique très discret (survol uniquement)
   ============================================================ */

:root{
  --black: #050505;
  --navy: #0a1420;
  --panel: #16181c;
  --panel-line: #232629;
  --white: #f4f4f2;
  --grey: #a6adb5;
  --grey-dim: #6d747c;
  --accent: #3f7cf0;
  --accent-dim: rgba(63,124,240,0.14);

  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --container: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 2px;
  --ease: cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body{
  margin:0;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
button{ font-family: inherit; cursor:pointer; }
ul{ margin:0; padding:0; list-style:none; }

.wrap{
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

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

/* ---------- Focus visibility ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Typography ---------- */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display:flex;
  align-items:center;
  gap:10px;
  margin: 0 0 18px;
}
.eyebrow::before{
  content:"";
  width:7px; height:7px;
  border-radius:50%;
  background: var(--accent);
  box-shadow: 0 0 8px 1px var(--accent);
  flex-shrink:0;
}
.eyebrow.on-light{ color:#2557c7; }

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--white);
}
h2{
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
h3{ font-size: 20px; }
p{ margin: 0; }
.lede{
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--grey);
  max-width: 62ch;
}

.section-head{
  margin-bottom: 56px;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.section-head .lede{ margin-top:14px; }

section{ position: relative; padding: 120px 0; }
@media (max-width: 720px){ section{ padding: 84px 0; } }

.bg-navy{ background: var(--navy); }
.bg-black{ background: var(--black); }

.hairline{
  border: none;
  border-top: 1px solid var(--panel-line);
  margin: 0;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 15px 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--panel-line);
  background: transparent;
  color: var(--white);
  border-radius: var(--radius);
  transition: border-color .3s var(--ease), background .3s var(--ease), color .3s var(--ease), transform .3s var(--ease);
  white-space: nowrap;
}
.btn:hover{ border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.btn-primary{
  background: var(--accent);
  border-color: var(--accent);
  color: #04070d;
  font-weight: 600;
}
.btn-primary:hover{ background:#5b8ef4; border-color:#5b8ef4; color:#04070d; }
.btn-arrow{ transition: transform .3s var(--ease); }
.btn:hover .btn-arrow{ transform: translateX(3px); }

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  padding: 22px 0;
  transition: background .4s var(--ease), padding .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled{
  padding: 14px 0;
  background: rgba(5,7,10,0.86);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--panel-line);
}
.nav .wrap{ display:flex; align-items:center; justify-content:space-between; }

.brand{ display:flex; align-items:center; gap:12px; }
.brand img{
  height: 48px;
  width: auto;
  filter: drop-shadow(0 1px 6px rgba(0,0,0,0.6));
  transition: height .4s var(--ease);
}
.nav.is-scrolled .brand img{ height: 38px; }
.brand-status{
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--grey-dim);
  display: none;
}
@media (min-width: 560px){ .brand-status{ display:inline-flex; align-items:center; gap:6px; } }
.brand-status .dot{
  width:6px; height:6px; border-radius:50%;
  background:#39d67a;
  box-shadow: 0 0 6px 1px #39d67a;
  animation: blink 2.4s ease-in-out infinite;
}
@keyframes blink{ 0%,100%{ opacity:1;} 50%{ opacity:.35;} }

.nav-links{ display:flex; align-items:center; gap: 38px; }
.nav-links a{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--grey);
  position: relative;
  padding-bottom: 4px;
  transition: color .25s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:0; height:1px;
  background: var(--accent);
  transition: width .3s var(--ease);
}
.nav-links a:hover{ color: var(--white); }
.nav-links a:hover::after{ width:100%; }
.nav-links .btn{ padding: 10px 20px; }

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  padding: 8px;
}
.nav-toggle span{ width:22px; height:1px; background:var(--white); transition: transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle.is-open span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 860px){
  .nav-links{
    position: fixed;
    inset: 0 0 0 auto;
    width: min(78vw, 340px);
    height: 100vh;
    background: var(--navy);
    border-left: 1px solid var(--panel-line);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 30px;
    padding: 0 44px;
    transform: translateX(100%);
    transition: transform .45s var(--ease);
  }
  .nav-links.is-open{ transform: translateX(0); }
  .nav-links a{ font-size: 15px; }
  .nav-toggle{ display:flex; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding-bottom: 60px;
  overflow: hidden;
}
.hero-media{
  position:absolute; inset:0;
  z-index:0;
}
.hero-media img{
  width:100%; height:100%;
  object-fit: cover;
  object-position: center 62%;
  transform: scale(1.08);
  will-change: transform;
}
.hero-media::after{
  content:"";
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(5,6,8,.5) 0%, rgba(5,6,8,.4) 40%, rgba(5,6,8,.86) 82%, #050505 100%),
    radial-gradient(60% 50% at 50% 38%, rgba(5,6,8,0) 0%, rgba(5,6,8,.35) 100%);
}
.hero-content{
  position: relative; z-index:1;
  max-width: 720px;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
}
.hero-logo{
  height: clamp(84px, 12vw, 148px);
  width:auto;
  margin-bottom: 26px;
  filter: drop-shadow(0 6px 26px rgba(0,0,0,.65));
}
.hero h1{
  font-size: clamp(19px, 2.6vw, 30px);
  line-height: 1.25;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
  color: var(--grey);
  margin: 0 0 20px;
  max-width: 30ch;
}
.hero-sub{
  font-family: var(--font-mono);
  font-size: clamp(11px, 1.05vw, 12.5px);
  color: var(--grey-dim);
  letter-spacing: 0.05em;
  margin: 0 0 30px;
  display:flex; flex-wrap:wrap; justify-content:center; gap: 0 8px;
  opacity: .85;
}
.hero-cta{ display:flex; gap:16px; flex-wrap: wrap; justify-content: center; }

.scroll-cue{
  position:absolute;
  right: var(--gutter);
  bottom: 40px;
  z-index:1;
  display:flex;
  align-items:center;
  gap:12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--grey-dim);
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.scroll-cue .line{ width:1px; height:46px; background: linear-gradient(var(--grey-dim), transparent); }
@media (max-width: 720px){ .scroll-cue{ display:none; } }

/* ============================================================
   ABOUT
   ============================================================ */
.about{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 80px; align-items:center; }
@media (max-width: 900px){ .about{ grid-template-columns: 1fr; gap: 48px; } }
.about-copy p + p{ margin-top: 18px; }
.about-copy{ color: var(--grey); font-size: 16px; }
.about-figure{ position: relative; }
.about-figure img{
  width:100%; aspect-ratio: 4/5; object-fit: cover;
  border: 1px solid var(--panel-line);
}
.about-figure .tag{
  position:absolute; left:16px; bottom:16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing:.08em;
  padding: 8px 12px;
  background: rgba(5,6,8,.72);
  backdrop-filter: blur(4px);
  border: 1px solid var(--panel-line);
  color: var(--grey);
  text-transform: uppercase;
}

/* ============================================================
   EQUIPE
   ============================================================ */
.team-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(220px, 340px));
  gap: 40px;
}
@media (max-width: 640px){ .team-grid{ grid-template-columns: 1fr; max-width: 340px; } }
.team-card{ transition-delay: calc(var(--i,0) * 90ms); }
.team-photo{
  width: 100%;
  aspect-ratio: 4/5;
  overflow: hidden;
  border: 1px solid var(--panel-line);
  margin-bottom: 20px;
  background: var(--panel);
}
.team-photo img{
  width:100%; height:100%; object-fit: cover;
  filter: grayscale(0.15) contrast(1.02);
  transition: transform .6s var(--ease);
}
.team-card:hover .team-photo img{ transform: scale(1.04); }
.team-card h3{ text-transform: uppercase; font-size: 18px; margin-bottom: 6px; }
.team-role{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.team-desc{ color: var(--grey); font-size: 14.5px; }

/* ============================================================
   PRESTATIONS — "channel strip" cards
   ============================================================ */
.channels{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--panel-line);
  border: 1px solid var(--panel-line);
}
@media (max-width: 980px){ .channels{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .channels{ grid-template-columns: 1fr; } }

.channel{
  background: var(--navy);
  padding: 40px 30px 34px;
  position: relative;
  transition: background .35s var(--ease);
  min-height: 300px;
  display:flex;
  flex-direction: column;
}
.channel:hover{ background:#0c1826; }
.channel-id{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--grey-dim);
  letter-spacing: .1em;
  margin-bottom: 30px;
}
.channel-fader{
  width: 100%;
  height: 3px;
  background: var(--panel-line);
  position: relative;
  margin-bottom: 28px;
  border-radius: 2px;
}
.channel-fader::after{
  content:"";
  position:absolute; top:50%; left: var(--lvl, 30%);
  width: 14px; height: 14px;
  transform: translate(-50%,-50%);
  background: var(--grey);
  border-radius: 2px;
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}
.channel:hover .channel-fader::after{
  background: var(--accent);
  box-shadow: 0 0 12px 1px var(--accent-dim);
}
.channel h3{ margin-bottom: 12px; text-transform: uppercase; font-size: 18px; }
.channel p{ color: var(--grey); font-size: 14.5px; flex-grow:1; }

/* ============================================================
   POURQUOI — features grid
   ============================================================ */
.features{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 40px;
}
@media (max-width: 900px){ .features{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .features{ grid-template-columns: 1fr; } }
.feature{ display:flex; gap:18px; align-items:flex-start; }
.feature-icon{
  flex-shrink:0;
  width: 42px; height:42px;
  border: 1px solid var(--panel-line);
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  color: var(--accent);
}
.feature-icon svg{ width:19px; height:19px; }
.feature h3{ font-size:16px; margin-bottom:6px; text-transform: uppercase; letter-spacing:.02em; }
.feature p{ color: var(--grey); font-size: 14.5px; }

/* ============================================================
   REALISATIONS — gallery
   ============================================================ */
.gallery{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 260px;
  gap: 6px;
}
@media (max-width: 980px){ .gallery{ grid-template-columns: repeat(2,1fr); grid-auto-rows: 220px; } }
@media (max-width: 560px){ .gallery{ grid-template-columns: 1fr; grid-auto-rows: 260px; } }

.gallery-item{
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
  background: var(--panel);
}
.gallery-item.tall{ grid-row: span 2; }
.gallery-item img{
  width:100%; height:100%; object-fit: cover;
  transition: transform .7s var(--ease);
}
.gallery-item:hover img{ transform: scale(1.06); }
.gallery-item::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(5,6,8,0) 55%, rgba(5,6,8,.88) 100%);
  opacity: .75;
  transition: opacity .35s var(--ease);
}
.gallery-item:hover::after{ opacity: .92; }
.gallery-caption{
  position:absolute; left:16px; right:16px; bottom:14px; z-index:1;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--white);
  display:flex; justify-content:space-between; gap:8px;
}
.gallery-caption .n{ color: var(--grey-dim); }

/* Lightbox */
.lightbox{
  position: fixed; inset:0; z-index: 1000;
  background: rgba(3,4,6,.94);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none;
  transition: opacity .3s var(--ease);
  padding: 40px;
}
.lightbox.is-open{ opacity:1; pointer-events:auto; }
.lightbox img{ max-width: min(1100px, 92vw); max-height: 82vh; object-fit: contain; border:1px solid var(--panel-line); }
.lightbox-cap{
  position:absolute; left:0; right:0; bottom:24px;
  text-align:center;
  font-family: var(--font-mono); font-size:12px; letter-spacing:.08em; color: var(--grey);
  text-transform: uppercase;
}
.lightbox-close{
  position:absolute; top:26px; right:var(--gutter);
  background:none; border:1px solid var(--panel-line); color:var(--white);
  width:40px; height:40px; border-radius:50%;
  font-size:18px; display:flex; align-items:center; justify-content:center;
}
.lightbox-close:hover{ border-color: var(--accent); color: var(--accent); }
.lightbox-nav{
  position:absolute; top:50%; transform: translateY(-50%);
  background:none; border:1px solid var(--panel-line); color:var(--white);
  width:44px; height:44px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; font-size:18px;
}
.lightbox-nav:hover{ border-color: var(--accent); color: var(--accent); }
.lightbox-prev{ left: var(--gutter); }
.lightbox-next{ right: var(--gutter); }
@media (max-width: 640px){ .lightbox-nav{ display:none; } }

/* ============================================================
   ZONE D'INTERVENTION
   ============================================================ */
.zone{ display:grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items:center; }
@media (max-width: 900px){ .zone{ grid-template-columns: 1fr; gap: 50px; } }
.zone-copy p{ color: var(--grey); }
.zone-copy p + p{ margin-top: 12px; }
.zone-list{ margin-top: 30px; display:flex; flex-direction:column; gap: 10px; }
.zone-list li{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--grey);
  display:flex; align-items:center; gap:10px;
}
.zone-list li::before{ content:""; width:5px; height:5px; background:var(--accent); border-radius:50%; }

.region-map{ position:relative; aspect-ratio: 1/1; display:flex; align-items:center; justify-content:center; }
.region-map svg{ width:100%; height:100%; }

.map-region{
  fill: rgba(63,124,240,0.035);
  stroke: var(--panel-line);
  stroke-width: 1.3;
}
.map-texture line{
  stroke: var(--panel-line);
  stroke-width: 0.5;
  opacity: .55;
}

.zone-highlight{
  fill: var(--accent-dim);
  stroke: var(--accent);
  stroke-width: 1.4;
  stroke-dasharray: 4 3;
}
.zone-point circle{ fill: var(--accent); }
.zone-point circle.pulse{
  fill: none; stroke: var(--accent); stroke-width: 1;
  transform-origin: center;
  animation: mappulse 2.8s ease-out infinite;
}
@keyframes mappulse{
  0%{ r:4; opacity:.9; }
  100%{ r:44; opacity:0; }
}

.lyon-point{ fill: var(--grey); }

.map-label{
  font-family: var(--font-mono);
  font-size: 9.5px;
  fill: var(--accent);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.map-label-sm{
  font-family: var(--font-mono);
  font-size: 8px;
  fill: var(--grey);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.map-label-outer{
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--grey-dim);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.map-scale{
  font-family: var(--font-mono);
  font-size: 8px;
  fill: var(--grey-dim);
  letter-spacing: .05em;
  text-transform: uppercase;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid{ display:grid; grid-template-columns: 1.15fr .85fr; gap: 80px; }
@media (max-width: 940px){ .contact-grid{ grid-template-columns: 1fr; gap: 56px; } }

.field{ margin-bottom: 22px; }
.field label{
  display:block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--grey-dim);
  margin-bottom: 9px;
}
.field input, .field select, .field textarea{
  width:100%;
  background: var(--navy);
  border: 1px solid var(--panel-line);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 13px 14px;
  border-radius: var(--radius);
  transition: border-color .25s var(--ease);
}
.field input::placeholder, .field textarea::placeholder{ color: var(--grey-dim); }
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color: var(--accent); }
.field textarea{ resize: vertical; min-height: 120px; }
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 560px){ .field-row{ grid-template-columns: 1fr; } }
.form-note{ font-size: 13px; color: var(--grey-dim); margin-top: 6px; }

.contact-side{
  border-left: 1px solid var(--panel-line);
  padding-left: 56px;
}
@media (max-width: 940px){ .contact-side{ border-left:none; border-top:1px solid var(--panel-line); padding-left:0; padding-top:44px; } }
.contact-side .eyebrow{ margin-bottom: 22px; }
.contact-email{
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  word-break: break-word;
  display:inline-block;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--panel-line);
  padding-bottom: 8px;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.contact-email:hover{ color: var(--accent); border-color: var(--accent); }
.social-btn{
  display:inline-flex; align-items:center; gap:10px;
  padding: 12px 20px;
  border: 1px solid var(--panel-line);
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing:.06em; text-transform:uppercase;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}
.social-btn:hover{ border-color: var(--accent); color: var(--accent); }
.contact-meta{ margin-top: 44px; display:flex; flex-direction:column; gap:10px; }
.contact-meta li{ font-size: 13.5px; color: var(--grey-dim); font-family: var(--font-mono); }

/* ============================================================
   SEO TEXT
   ============================================================ */
.seo-block{ padding: 60px 0; }
.seo-text{
  max-width: 900px;
  margin: 0 auto;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--grey-dim);
  text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer{
  border-top: 1px solid var(--panel-line);
  padding: 50px 0;
}
.footer-row{
  display:flex; align-items:center; justify-content:space-between;
  gap: 20px; flex-wrap: wrap;
}
.footer-brand{ display:flex; align-items:center; gap:12px; }
.footer-brand img{ height: 40px; opacity:.85; }
.footer-copy{ font-family: var(--font-mono); font-size: 11.5px; color: var(--grey-dim); letter-spacing:.03em; }
.footer-links{ display:flex; gap: 26px; }
.footer-links a{ font-family: var(--font-mono); font-size: 11.5px; color: var(--grey-dim); text-transform:uppercase; letter-spacing:.06em; }
.footer-links a:hover{ color: var(--accent); }

/* ============================================================
   REVEAL ON SCROLL
   ============================================================ */
.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible{ opacity:1; transform: translateY(0); }
.reveal-stagger > *{ transition-delay: calc(var(--i, 0) * 70ms); }