/* =========================================================
   NINI Strategies & Operations — Design System (thème clair)
   ninistrat.com
   ========================================================= */

:root{
  /* Fonds */
  --bg:            #ffffff;
  --bg-2:          #f4f7fc;   /* pied de page */
  --bg-3:          #eef3fa;   /* sections alternées */
  --surface:       #f7f9fd;
  --surface-2:     #eef3fa;
  --line:          rgba(16,34,70,.11);
  --line-strong:   rgba(16,34,70,.24);

  /* Texte */
  --text:          #0e1626;
  --text-soft:     #46536a;
  --text-dim:      #6b7890;

  /* Accents */
  --blue:          #2456d8;
  --blue-2:        #1d4ed8;
  --blue-deep:     #16307a;
  --glow:          rgba(36,86,216,.30);

  /* Typo */
  --f-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --f-body:    "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  /* Layout */
  --wrap: 1180px;
  --pad: clamp(20px, 5vw, 40px);
  --radius: 16px;
  --header-h: 78px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; scroll-padding-top:100px; }

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* Trame technique de fond, très discrète sur blanc */
body::before{
  content:"";
  position:fixed; inset:0;
  background-image:
    linear-gradient(rgba(36,86,216,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36,86,216,.05) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 55% at 50% 0%, #000 20%, transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse 90% 55% at 50% 0%, #000 20%, transparent 72%);
  pointer-events:none; z-index:0;
}

img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }

h1,h2,h3,h4{
  font-family:var(--f-display);
  font-weight:600;
  line-height:1.12;
  letter-spacing:-.02em;
  margin:0 0 .5em;
  color:var(--text);
}
h1{ font-size:clamp(2.4rem, 5.6vw, 4.1rem); font-weight:700; }
h2{ font-size:clamp(1.9rem, 3.6vw, 2.75rem); }
h3{ font-size:clamp(1.15rem, 1.9vw, 1.4rem); }
p{ margin:0 0 1.1em; }
strong{ color:var(--text); font-weight:600; }

/* ============ LAYOUT ============ */
.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); position:relative; z-index:1; }
section{ position:relative; z-index:1; }
.sec{ padding:clamp(64px,9vw,120px) 0; }
.sec--tight{ padding:clamp(48px,6vw,80px) 0; }
.sec--alt{ background:var(--bg-3); border-block:1px solid var(--line); }

.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--f-display); font-size:.76rem; font-weight:600;
  letter-spacing:.22em; text-transform:uppercase;
  color:var(--blue-2); margin-bottom:18px;
}
.eyebrow::before{
  content:""; width:26px; height:1px;
  background:linear-gradient(90deg,transparent,var(--blue));
}
.lead{ font-size:clamp(1.02rem,1.5vw,1.19rem); color:var(--text-soft); max-width:62ch; }
.sec-head{ max-width:720px; margin-bottom:clamp(36px,5vw,60px); }
.center{ text-align:center; }
.center .sec-head{ margin-inline:auto; }
.center .lead{ margin-inline:auto; }
.center .eyebrow::before{ display:none; }

/* ============ HEADER ============ */
.header{
  position:fixed; top:0; left:0; right:0; z-index:60;
  height:var(--header-h);
  display:flex; align-items:center;
  transition:background .3s, border-color .3s, box-shadow .3s;
  border-bottom:1px solid transparent;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
}
.header.is-stuck{
  background:rgba(255,255,255,.93);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px -18px rgba(16,34,70,.5);
}
.header .wrap{ display:flex; align-items:center; gap:28px; }
.brand{ display:flex; align-items:center; flex-shrink:0; }
.brand img{ height:38px; width:auto; }

.nav{ display:flex; align-items:center; gap:30px; margin-left:auto; }
.nav a{
  font-size:.94rem; color:var(--text-soft); position:relative;
  padding:6px 0; transition:color .2s;
}
.nav a::after{
  content:""; position:absolute; left:0; bottom:0; height:2px; width:0;
  background:var(--blue); transition:width .28s ease;
}
.nav a:hover{ color:var(--text); }
.nav a:hover::after, .nav a.active::after{ width:100%; }
.nav a.active{ color:var(--text); }
.nav a.btn{ color:#fff; }
.nav a.btn::after{ display:none; }

.lang{
  display:flex; align-items:center; gap:2px;
  border:1px solid var(--line-strong); border-radius:999px; padding:3px;
  font-family:var(--f-display); font-size:.72rem; font-weight:600; letter-spacing:.08em;
}
.lang a{ padding:4px 10px; border-radius:999px; color:var(--text-dim); transition:.2s; }
.lang a.on{ background:var(--blue); color:#fff; }
.lang a:not(.on):hover{ color:var(--text); }

.burger{
  display:none; width:44px; height:44px; border:1px solid var(--line-strong);
  border-radius:11px; background:#fff; cursor:pointer;
  align-items:center; justify-content:center; flex-direction:column; gap:5px;
}
.burger span{ display:block; width:18px; height:2px; background:var(--text); transition:.3s; }
.burger.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2){ opacity:0; }
.burger.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ============ BOUTONS ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--f-display); font-size:.94rem; font-weight:600;
  padding:14px 26px; border-radius:11px; border:1px solid transparent;
  cursor:pointer; transition:transform .2s, box-shadow .25s, background .25s, border-color .25s;
  white-space:nowrap;
}
.btn svg{ width:15px; height:15px; transition:transform .25s; }
.btn:hover svg{ transform:translateX(4px); }
.btn-primary{
  background:linear-gradient(135deg,var(--blue),#1c46b8);
  color:#fff; box-shadow:0 10px 26px -12px var(--glow);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 16px 34px -12px var(--glow); }
.btn-ghost{ border-color:var(--line-strong); color:var(--text); background:#fff; }
.btn-ghost:hover{ border-color:var(--blue); color:var(--blue-2); background:var(--surface); }
.btn-sm{ padding:10px 18px; font-size:.86rem; }
.btn-row{ display:flex; flex-wrap:wrap; gap:14px; margin-top:32px; }
.center .btn-row{ justify-content:center; }

.link-arrow{
  display:inline-flex; align-items:center; gap:8px; white-space:nowrap;
  font-family:var(--f-display); font-weight:600; font-size:.92rem;
  color:var(--blue-2); transition:gap .25s, color .2s;
}
.link-arrow svg{ width:15px; height:15px; flex-shrink:0; }
.link-arrow:hover{ gap:14px; color:var(--blue-deep); }

/* ============ HERO ============ */
.hero{
  position:relative; padding-top:calc(var(--header-h) + clamp(60px,10vw,110px));
  padding-bottom:clamp(60px,9vw,110px); overflow:hidden;
}
.hero::after{
  content:""; position:absolute; z-index:0; top:-32%; right:-14%;
  width:760px; height:760px; border-radius:50%;
  background:radial-gradient(circle, rgba(36,86,216,.10), transparent 62%);
  filter:blur(46px); pointer-events:none;
}
.hero::before{
  content:""; position:absolute; z-index:0; bottom:-42%; left:-16%;
  width:620px; height:620px; border-radius:50%;
  background:radial-gradient(circle, rgba(14,116,144,.07), transparent 64%);
  filter:blur(46px); pointer-events:none;
}
.hero .wrap{ position:relative; z-index:2; }
.hero h1{ max-width:16ch; }
.hero h1 .grad{
  background:linear-gradient(110deg,var(--blue) 5%,var(--blue-deep) 70%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero .lead{ margin-top:26px; font-size:clamp(1.05rem,1.6vw,1.22rem); }

.hero-page{ padding-top:calc(var(--header-h) + clamp(56px,8vw,92px)); padding-bottom:clamp(30px,5vw,52px); }
.hero-page h1{ max-width:20ch; }

/* ---- Hero avec vidéo de fond ----
   Le site est clair ; ce bandeau est la seule zone sombre, et c'est
   volontaire : il pose le décor puis rend la main au blanc. Le voile
   (.hero-scrim) n'est pas décoratif, il garantit le contraste du texte
   quelle que soit l'image dessous. */
.hero--video{
  padding-top:calc(var(--header-h) + clamp(78px,11vw,140px));
  padding-bottom:clamp(78px,10vw,140px);
  background:#0b1428 center/cover no-repeat;
}
.hero--video::before, .hero--video::after{ display:none; }
.hero-bg{
  position:absolute; inset:0; z-index:0;
  width:100%; height:100%; object-fit:cover;
  opacity:0; transition:opacity 1.1s ease;
}
.hero-bg.ready{ opacity:1; }
.hero-scrim{
  position:absolute; inset:0; z-index:1; pointer-events:none;
  background:
    linear-gradient(100deg, rgba(8,17,38,.92) 0%, rgba(8,17,38,.74) 44%, rgba(8,17,38,.30) 100%),
    linear-gradient(to top, rgba(8,17,38,.60), transparent 42%);
}
.hero--video .eyebrow{ color:#9dc0ff; }
.hero--video .eyebrow::before{ background:linear-gradient(90deg,transparent,#9dc0ff); }
.hero--video h1{ color:#fff; }
.hero--video h1 .grad{
  background:linear-gradient(105deg,#8fc6ff 5%,#59e3cd 88%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero--video .lead{ color:rgba(255,255,255,.85); }
.hero--video .btn-ghost{
  color:#fff; border-color:rgba(255,255,255,.45); background:rgba(255,255,255,.07);
}
.hero--video .btn-ghost:hover{ color:#fff; border-color:#fff; background:rgba(255,255,255,.16); }

/* ============ BANDEAU CHIFFRES ============ */
.stats{ border-block:1px solid var(--line); background:var(--bg-3); }
.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); }
.stat{ padding:34px 26px; border-left:1px solid var(--line); }
.stat:first-child{ border-left:none; }
.stat b{
  display:block; font-family:var(--f-display); font-weight:700;
  font-size:clamp(1.9rem,3.4vw,2.6rem); line-height:1;
  color:var(--blue-deep); margin-bottom:10px;
}
.stat span{ font-size:.88rem; color:var(--text-dim); line-height:1.5; display:block; }

/* ============ CARTES ============ */
.grid{ display:grid; gap:22px; }
.g-2{ grid-template-columns:repeat(2,1fr); }
.g-3{ grid-template-columns:repeat(3,1fr); }

.card{
  position:relative; padding:34px 30px; border-radius:var(--radius);
  background:#fff; border:1px solid var(--line); overflow:hidden;
  box-shadow:0 2px 10px -6px rgba(16,34,70,.18);
  transition:transform .3s, border-color .3s, box-shadow .3s;
}
.card::before{
  content:""; position:absolute; inset:0; opacity:0; transition:opacity .35s;
  background:radial-gradient(500px circle at var(--mx,50%) var(--my,0%), rgba(36,86,216,.07), transparent 65%);
  pointer-events:none;
}
.card:hover{ transform:translateY(-5px); border-color:var(--line-strong); box-shadow:0 22px 44px -26px rgba(16,34,70,.5); }
.card:hover::before{ opacity:1; }
.card h3{ margin-bottom:12px; }
.card p{ color:var(--text-soft); font-size:.97rem; margin-bottom:0; }
.card p + .link-arrow{ margin-top:20px; }

.ico{
  width:50px; height:50px; border-radius:13px; display:grid; place-items:center;
  background:linear-gradient(140deg,rgba(36,86,216,.12),rgba(14,116,144,.08));
  border:1px solid var(--line-strong); margin-bottom:22px;
}
.ico svg{ width:23px; height:23px; stroke:var(--blue-2); fill:none; stroke-width:1.6; }

/* Numérotation méthode */
.step{ padding:32px 28px; border-radius:var(--radius); background:var(--surface); border:1px solid var(--line); position:relative; }
.step .num{
  font-family:var(--f-display); font-size:2.7rem; font-weight:700; line-height:1;
  color:rgba(36,86,216,.20); display:block; margin-bottom:16px;
}
.step h3{ font-size:1.08rem; }
.step p{ color:var(--text-soft); font-size:.94rem; margin:0; }

/* ============ SERVICE DÉTAILLÉ ============ */
.svc{
  display:grid; grid-template-columns:.95fr 1.05fr; gap:clamp(32px,5vw,64px);
  padding:clamp(40px,5vw,64px) 0; border-top:1px solid var(--line); align-items:start;
}
.svc:first-of-type{ border-top:none; }
.svc-left{ position:sticky; top:110px; }
.svc-tag{
  display:inline-block; font-family:var(--f-display); font-size:.74rem; font-weight:600;
  letter-spacing:.18em; text-transform:uppercase; color:var(--blue-2);
  border:1px solid var(--line-strong); border-radius:999px; padding:5px 14px; margin-bottom:20px;
}
.svc h2{ font-size:clamp(1.5rem,2.6vw,2.05rem); }
.svc-left p{ color:var(--text-soft); }
/* Visuel du bloc service, sous le texte de la colonne de gauche */
.svc-media{
  margin:26px 0 0; border-radius:16px; overflow:hidden;
  border:1px solid var(--line); background:var(--surface-2);
  box-shadow:0 18px 40px -28px rgba(16,34,70,.55);
}
.svc-media img, .svc-media video{
  display:block; width:100%; height:auto; aspect-ratio:3/2; object-fit:cover;
}

.list{ list-style:none; margin:0 0 26px; padding:0; }
.list li{ position:relative; padding-left:30px; margin-bottom:13px; color:var(--text-soft); font-size:.97rem; }
.list li::before{
  content:""; position:absolute; left:6px; top:.72em; width:7px; height:7px; border-radius:2px;
  background:var(--blue); transform:rotate(45deg);
}
.who{
  border-left:2px solid var(--blue); padding:4px 0 4px 20px;
  color:var(--text-dim); font-size:.93rem;
}
.who b{ color:var(--text); display:block; font-family:var(--f-display); font-size:.75rem;
  letter-spacing:.16em; text-transform:uppercase; margin-bottom:6px; }

/* ============ CASE / RÉALISATION ============ */
.case{
  border:1px solid var(--line); border-radius:22px; overflow:hidden;
  background:#fff; box-shadow:0 3px 16px -10px rgba(16,34,70,.28);
}
.case-head{ padding:clamp(30px,4vw,44px); border-bottom:1px solid var(--line); background:var(--surface); }
.case-meta{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:20px; }
.chip{
  font-family:var(--f-display); font-size:.74rem; font-weight:600; letter-spacing:.08em;
  padding:5px 13px; border-radius:999px; border:1px solid var(--line-strong);
  color:var(--text-soft); background:#fff;
}
.case-body{ padding:clamp(30px,4vw,44px); display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(28px,4vw,52px); }
.case-body h4{ font-size:.78rem; letter-spacing:.18em; text-transform:uppercase; color:var(--blue-2); margin-bottom:14px; }
.case-body p, .case-body li{ color:var(--text-soft); font-size:.96rem; }

.kpis{ display:grid; gap:14px; }
.kpi{
  display:flex; align-items:baseline; gap:14px; padding:16px 18px;
  border-radius:12px; background:var(--surface); border:1px solid var(--line);
}
.kpi b{
  font-family:var(--f-display); font-size:1.45rem; font-weight:700; color:var(--blue-deep);
  line-height:1; flex-shrink:0;
}
.kpi span{ font-size:.88rem; color:var(--text-dim); line-height:1.45; }

/* ============ BANDEAU CLIENTS ============ */
.clients{
  display:flex; flex-wrap:wrap; justify-content:center; align-items:center;
  gap:clamp(26px,5vw,66px);
  padding:clamp(26px,4vw,40px) clamp(20px,4vw,44px);
  border-radius:18px; border:1px solid var(--line);
  background:var(--surface);
}
.client{ display:flex; align-items:center; justify-content:center; }
.client img{
  height:clamp(52px,6.4vw,80px); width:auto;
  transition:transform .3s;
}
.client:hover img{ transform:translateY(-3px); }
.client-name{
  font-family:var(--f-display); font-weight:600;
  font-size:clamp(1.15rem,2.2vw,1.6rem); letter-spacing:.10em;
  color:var(--text-soft); transition:color .3s;
}
a.client:hover .client-name{ color:var(--text); }
.clients-note{
  margin:18px auto 0; max-width:56ch;
  font-size:.9rem; color:var(--text-dim);
}

/* ============ BLOC PHOTO + TEXTE ============ */
.feature{
  display:grid; grid-template-columns:1fr 1fr;
  gap:clamp(32px,5vw,72px); align-items:center;
}
.feature + .feature{ margin-top:clamp(48px,7vw,96px); }
.feature-media{ margin:0; position:relative; }
.feature-media img{
  width:100%; height:auto; border-radius:20px;
  border:1px solid var(--line);
  box-shadow:0 22px 48px -30px rgba(16,34,70,.55);
}
.feature-media video{
  display:block; width:100%; height:auto; border-radius:20px;
  border:1px solid var(--line);
  box-shadow:0 22px 48px -30px rgba(16,34,70,.55);
  background:#0b1428;
}
.feature-body h2{ max-width:18ch; }
.feature-body .lead{ max-width:50ch; }
/* Alternance : une fois sur deux, la photo passe à droite */
.feature--rev .feature-media{ order:2; }

/* Variante « pleine largeur » : le visuel occupe toute la colonne de texte
   et le propos passe dessous. Réservée aux images qui méritent la place —
   ici le pylône, qui raconte d'où vient le cabinet. */
.feature--stack{ display:block; }
.feature--stack .feature-media img,
.feature--stack .feature-media video{ border-radius:22px; }
.feature--stack .feature-body{
  margin-top:clamp(26px,3.5vw,44px);
  display:grid; grid-template-columns:.95fr 1.05fr;
  column-gap:clamp(24px,5vw,64px); align-items:start;
}
.feature--stack .feature-body .eyebrow{ grid-column:1; grid-row:1; }
.feature--stack .feature-body h2{ grid-column:1; grid-row:2; max-width:15ch; margin:0; }
.feature--stack .feature-body .lead{ grid-column:2; grid-row:1 / span 2; max-width:none; }

/* Icône posée sur le visuel, pour rattacher le bloc au pilier qu'il illustre */
.feature-media .ico{
  position:absolute; left:22px; bottom:22px; margin:0;
  background:rgba(255,255,255,.94); backdrop-filter:blur(6px);
  border-color:rgba(255,255,255,.7);
  box-shadow:0 10px 26px -12px rgba(8,20,45,.7);
}

/* ============ CARTES ILLUSTRÉES ============ */
.card--media{ padding:0; display:flex; flex-direction:column; }
.card--media .card-thumb{
  margin:0; overflow:hidden;
  border-bottom:1px solid var(--line); background:var(--surface-2);
}
.card--media .card-thumb img{
  width:100%; height:auto; aspect-ratio:3/2; object-fit:cover;
  transition:transform .55s cubic-bezier(.2,.7,.3,1);
}
.card--media:hover .card-thumb img{ transform:scale(1.045); }
.card--media .card-in{
  padding:28px 28px 32px; display:flex; flex-direction:column; flex:1;
}
.card--media .card-in .link-arrow{ margin-top:auto; padding-top:20px; }

/* ============ FIGURES DE MÉTHODE ============ */
.figures{ display:grid; gap:24px; }
.fig{
  margin:0; padding:clamp(22px,3vw,36px);
  border-radius:18px; border:1px solid var(--line);
  background:#fff;
  transition:border-color .3s;
}
.fig:hover{ border-color:var(--line-strong); }
.fig-svg{ max-width:820px; margin-inline:auto; }
.fig-svg svg{ display:block; width:100%; height:auto; overflow:visible; }
.fig figcaption{
  max-width:820px; margin:22px auto 0; padding-top:18px;
  border-top:1px solid var(--line);
  font-size:.92rem; color:var(--text-dim); line-height:1.6;
}
.fig-note{
  margin:26px auto 0; max-width:74ch;
  font-size:.86rem; color:var(--text-dim); font-style:italic; line-height:1.6;
}
@media (max-width:620px){
  .fig-svg{ overflow-x:auto; -webkit-overflow-scrolling:touch; }
  .fig-svg svg{ min-width:560px; }
}

/* ============ TIMELINE PARCOURS ============ */
.tl{ position:relative; padding-left:34px; }
.tl::before{ content:""; position:absolute; left:7px; top:6px; bottom:6px; width:2px; background:linear-gradient(180deg,var(--blue),transparent); }
.tl-item{ position:relative; margin-bottom:34px; }
.tl-item::before{
  content:""; position:absolute; left:-31px; top:8px; width:10px; height:10px; border-radius:50%;
  background:var(--blue); box-shadow:0 0 0 4px rgba(36,86,216,.14);
}
.tl-item .yr{ font-family:var(--f-display); font-size:.78rem; letter-spacing:.14em; color:var(--blue-2); text-transform:uppercase; }
.tl-item h3{ font-size:1.05rem; margin:6px 0 6px; }
.tl-item p{ color:var(--text-soft); font-size:.94rem; margin:0; }

/* ============ CITATIONS / CREDO ============ */
.credo{ display:grid; gap:18px; }
.credo p{
  margin:0; padding:24px 28px; border-radius:14px; font-size:1.03rem; color:var(--text);
  background:var(--surface); border:1px solid var(--line); border-left:3px solid var(--blue);
}

/* ============ SPLIT (texte + visuel) ============ */
.split{ display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(34px,5vw,70px); align-items:center; }
.split--top{ align-items:start; }
.portrait{
  position:relative; border-radius:20px; padding:clamp(24px,3.4vw,36px);
  border:1px solid var(--line); overflow:hidden;
  background:linear-gradient(160deg,var(--surface),#fff);
  box-shadow:0 18px 44px -32px rgba(16,34,70,.6);
}
.portrait-photo{ position:relative; margin:0; }
.portrait-photo img{ display:block; width:100%; height:auto; max-width:320px; margin:0 auto -10px; }
.portrait .pdata{ position:relative; margin-top:4px; border-top:1px solid var(--line); padding-top:22px; display:grid; gap:12px; }
.portrait .pdata div{ display:flex; gap:12px; font-size:.9rem; color:var(--text-soft); }
.portrait .pdata b{ color:var(--blue-2); font-family:var(--f-display); min-width:92px; font-size:.76rem;
  letter-spacing:.12em; text-transform:uppercase; padding-top:3px; }
.portrait .pcap{
  position:relative; text-align:center; margin:0; padding-top:8px;
  font-family:var(--f-display); font-weight:600; font-size:1.02rem; color:var(--text);
}
.portrait .pcap span{
  display:block; font-family:var(--f-body); font-weight:400;
  font-size:.86rem; color:var(--text-dim); margin-top:3px;
}

/* ============ CTA FINAL ============ */
.cta{
  position:relative; overflow:hidden; border-radius:24px;
  border:1px solid var(--line-strong);
  background:linear-gradient(140deg,rgba(36,86,216,.09),rgba(14,116,144,.05));
  padding:clamp(44px,6vw,76px) clamp(28px,5vw,60px); text-align:center;
}
.cta::before{
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(36,86,216,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36,86,216,.07) 1px, transparent 1px);
  background-size:40px 40px;
  mask-image:radial-gradient(circle at 50% 50%, #000, transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 50%, #000, transparent 72%);
}
.cta > *{ position:relative; }
.cta .btn-row{ justify-content:center; }
.cta h2{ max-width:20ch; margin-inline:auto; }
.cta p{ color:var(--text-soft); max-width:56ch; margin-inline:auto; }

/* ============ FORMULAIRE ============ */
.form-grid{ display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(32px,5vw,60px); align-items:start; }
form{ display:grid; gap:18px; }
.f-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ display:grid; gap:8px; }
.field label{ font-family:var(--f-display); font-size:.78rem; font-weight:600; letter-spacing:.12em;
  text-transform:uppercase; color:var(--text-dim); }
.field label .req{ color:var(--blue-2); }
.field input, .field textarea, .field select{
  width:100%; padding:14px 16px; border-radius:11px; font-family:var(--f-body); font-size:.98rem;
  background:#fff; border:1px solid var(--line-strong); color:var(--text);
  transition:border-color .2s, background .2s, box-shadow .2s;
}
.field textarea{ min-height:150px; resize:vertical; }
.field select{
  appearance:none; -webkit-appearance:none; cursor:pointer; padding-right:44px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d4ed8' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 15px center; background-size:16px;
}
.field select option{ background:#fff; color:var(--text); }
.field input:focus, .field textarea:focus, .field select:focus{
  outline:none; border-color:var(--blue); background:#fff;
  box-shadow:0 0 0 3px rgba(36,86,216,.14);
}
.field input::placeholder, .field textarea::placeholder{ color:#98a3b6; }
.hp{ position:absolute; left:-9999px; opacity:0; height:0; }
.form-note{ font-size:.86rem; color:var(--text-dim); font-style:italic; }

.contact-side{ display:grid; gap:16px; }
.cinfo{
  display:flex; gap:16px; padding:22px; border-radius:14px;
  background:var(--surface); border:1px solid var(--line);
}
.cinfo svg{ width:20px; height:20px; stroke:var(--blue-2); fill:none; stroke-width:1.6; flex-shrink:0; margin-top:3px; }
.cinfo b{ display:block; font-family:var(--f-display); font-size:.75rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--text-dim); margin-bottom:5px; font-weight:600; }
.cinfo span{ font-size:.98rem; color:var(--text); }
.cinfo a:hover{ color:var(--blue-2); }

.alert{ padding:15px 18px; border-radius:11px; font-size:.94rem; border:1px solid; }
.alert-ok{ background:#e9f8ef; border-color:#9dd8b4; color:#12603a; }
.alert-err{ background:#fdecec; border-color:#f0b3b3; color:#8c1f1f; }

/* ============ FOOTER ============ */
.footer{ border-top:1px solid var(--line); background:var(--bg-2); margin-top:clamp(60px,8vw,100px); position:relative; z-index:1; }
.footer-top{ display:grid; grid-template-columns:1.5fr 1fr 1fr; gap:clamp(30px,5vw,60px); padding:clamp(48px,6vw,72px) 0 44px; }
.footer-top img{ height:40px; width:auto; margin-bottom:20px; }
.footer p{ color:var(--text-dim); font-size:.93rem; max-width:38ch; }
.footer h4{ font-family:var(--f-display); font-size:.76rem; font-weight:600; letter-spacing:.18em;
  text-transform:uppercase; color:var(--text); margin-bottom:18px; }
.footer ul{ list-style:none; margin:0; padding:0; display:grid; gap:11px; }
.footer ul a{ color:var(--text-dim); font-size:.93rem; transition:color .2s; }
.footer ul a:hover{ color:var(--blue-2); }
.footer-bottom{
  border-top:1px solid var(--line); padding:22px 0;
  display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between; align-items:center;
  font-size:.85rem; color:var(--text-dim);
}

/* ============ ANIMATIONS ============ */
.rv{ opacity:0; transform:translateY(26px); transition:opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.rv.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  .rv{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}

/* ============ RESPONSIVE ============ */
@media (max-width:980px){
  .g-3{ grid-template-columns:repeat(2,1fr); }
  .stats-grid{ grid-template-columns:repeat(2,1fr); }
  .stat:nth-child(3){ border-left:none; }
  .stat:nth-child(n+3){ border-top:1px solid var(--line); }
  .svc, .split, .case-body, .form-grid{ grid-template-columns:1fr; }
  .svc-left{ position:static; }
  .footer-top{ grid-template-columns:1fr 1fr; }
  .footer-top > div:first-child{ grid-column:1/-1; }
  .feature{ grid-template-columns:1fr; gap:28px; }
  .feature--rev .feature-media{ order:0; }
  .feature--stack .feature-body{ grid-template-columns:1fr; row-gap:16px; }
  .feature--stack .feature-body .eyebrow,
  .feature--stack .feature-body h2,
  .feature--stack .feature-body .lead{ grid-column:1; grid-row:auto; }
}
@media (max-width:760px){
  body{ font-size:16px; }
  .burger{ display:flex; }
  .nav{
    position:fixed; inset:var(--header-h) 0 auto 0;
    flex-direction:column; align-items:stretch; gap:0;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px -24px rgba(16,34,70,.6);
    padding:10px var(--pad) 26px; margin:0;
    transform:translateY(-115%); transition:transform .35s cubic-bezier(.4,0,.2,1);
    max-height:calc(100vh - var(--header-h)); overflow-y:auto;
  }
  .nav.open{ transform:none; }
  .nav a{ padding:15px 0; border-bottom:1px solid var(--line); font-size:1rem; }
  .nav a::after{ display:none; }
  .nav .btn{ margin-top:18px; }
  .header .wrap{ gap:12px; }
  .lang{ margin-left:auto; }
  .g-2,.g-3{ grid-template-columns:1fr; }
  .stats-grid{ grid-template-columns:1fr; }
  .stat{ border-left:none; border-top:1px solid var(--line); }
  .stat:first-child{ border-top:none; }
  .f-row{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr; }
  .brand img{ height:32px; }
  /* Sur mobile la vidéo de fond n'est jamais chargée (voir main.js) :
     on garde l'image de secours, qui pèse dix fois moins. */
  .hero--video{ padding-top:calc(var(--header-h) + 64px); padding-bottom:72px; }
  .hero-scrim{
    background:linear-gradient(180deg, rgba(8,17,38,.86) 0%, rgba(8,17,38,.78) 55%, rgba(8,17,38,.88) 100%);
  }
  .feature-media .ico{ left:14px; bottom:14px; width:42px; height:42px; }
}

/* Le visiteur qui a demandé « réduire les animations » garde l'image fixe. */
@media (prefers-reduced-motion:reduce){
  .hero-bg{ display:none; }
  .card--media:hover .card-thumb img{ transform:none; }
}