/* =================================================================
   ARIANE MOTION — Direction « Nuit »
   Design system : sombre, éditorial, accent violet, Space Grotesk
   ================================================================= */

:root{
  --bg:#0B0B0F;
  --bg-2:#101015;
  --surface:#15141B;
  --surface-2:#1A1922;
  --line:#23222C;
  --line-soft:#1A1A22;
  --text:#EDEBF5;
  --muted:#9F9BB0;
  --muted-2:#6E6A80;
  --accent:#9B86FF;
  --accent-ink:#0B0B0F;
  --accent-soft:rgba(155,134,255,.14);
  --pink:#FF6AAB;

  --font-display:'Space Grotesk','Helvetica Neue',Arial,sans-serif;
  --font-body:'Inter','Helvetica Neue',Arial,sans-serif;
  --font-mono:'Space Mono',ui-monospace,Menlo,monospace;

  --maxw:1240px;
  --gutter:clamp(20px,5vw,64px);
  --radius:14px;
  --radius-lg:22px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:var(--accent);color:var(--accent-ink)}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}

/* ---------- Typo helpers ---------- */
.display{font-family:var(--font-display);font-weight:600;letter-spacing:-.02em;line-height:1.02}
.kicker{font-family:var(--font-mono);font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--accent)}
.eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--muted-2)}
.lead{color:var(--muted);font-size:clamp(16px,2vw,19px);line-height:1.55}
.accent{color:var(--accent)}
.serif-em{font-style:italic}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;letter-spacing:-.02em;line-height:1.05}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--font-display);font-weight:500;font-size:15px;letter-spacing:.01em;
  padding:13px 24px;border-radius:100px;transition:all .35s var(--ease);
  white-space:nowrap;
}
.btn-accent{background:var(--accent);color:var(--accent-ink)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 10px 30px -10px var(--accent)}
.btn-ghost{border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translate(3px,-3px)}

/* ---------- Badge « disponible » ---------- */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);padding:7px 14px;border:1px solid var(--line);border-radius:100px;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 0 rgba(155,134,255,.6);animation:pulse 2.4s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(155,134,255,.55)}
  70%{box-shadow:0 0 0 8px rgba(155,134,255,0)}
  100%{box-shadow:0 0 0 0 rgba(155,134,255,0)}
}

/* =================================================================
   LOGO ARIANE MOTION (recréation vectorielle ▲RI▲NE / MOTION)
   ================================================================= */
.brand{display:inline-flex;flex-direction:column;align-items:center;color:var(--accent);line-height:1;transition:opacity .3s var(--ease)}
.brand:hover{opacity:.8}
.brand-word{display:flex;align-items:flex-end;font-family:var(--font-display);font-weight:600;letter-spacing:.06em;font-size:21px;line-height:1}
.brand .tri{display:inline-block;width:0;height:0;
  border-left:.42em solid transparent;border-right:.42em solid transparent;
  border-bottom:.78em solid currentColor;margin:0 .02em}
.brand-sub{font-family:var(--font-display);font-weight:400;font-size:7.5px;letter-spacing:.6em;margin-top:4px;margin-left:.6em}
.brand.brand-lg .brand-word{font-size:30px}
.brand.brand-lg .brand-sub{font-size:10px}

/* =================================================================
   HEADER / NAV
   ================================================================= */
.site-header{position:sticky;top:0;z-index:100;
  backdrop-filter:saturate(140%) blur(14px);
  background:rgba(11,11,15,.62);border-bottom:1px solid transparent;
  transition:border-color .4s var(--ease),background .4s var(--ease)}
.site-header.scrolled{border-bottom-color:var(--line-soft);background:rgba(11,11,15,.85)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.nav-links{display:flex;gap:34px}
.nav-links a{font-family:var(--font-display);font-size:15px;color:var(--muted);position:relative;transition:color .3s var(--ease)}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--text)}
.nav-links a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--accent);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:16px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;position:relative}
.nav-toggle span{position:absolute;left:11px;right:11px;height:1.5px;background:var(--text);transition:.3s var(--ease)}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){bottom:15px}
body.nav-open .nav-toggle span:nth-child(1){top:20px;transform:rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){bottom:20px;transform:rotate(-45deg)}

/* =================================================================
   SECTION SHELL
   ================================================================= */
section{position:relative}
.section{padding-block:clamp(72px,10vw,140px)}
.section-head{max-width:720px;margin-bottom:clamp(40px,6vw,64px)}
.section-head .kicker{display:inline-block;margin-bottom:18px}
.section-head h2{font-size:clamp(30px,5vw,52px)}
.section-head p{margin-top:18px}
.section-num{font-family:var(--font-mono);font-size:12px;color:var(--muted-2);letter-spacing:.2em}

.divider{height:1px;background:var(--line-soft)}

/* =================================================================
   HERO
   ================================================================= */
.hero{position:relative;overflow:hidden;padding-top:clamp(60px,9vw,110px);padding-bottom:clamp(60px,9vw,120px)}
.hero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(60% 80% at 82% 0%, rgba(155,134,255,.20) 0%, rgba(155,134,255,0) 55%),
    radial-gradient(50% 60% at 8% 100%, rgba(155,134,255,.10) 0%, rgba(155,134,255,0) 60%)}
.hero .container{position:relative;z-index:1}
.hero .kicker{margin-bottom:26px;display:inline-block}
.hero h1{font-size:clamp(40px,8vw,90px);line-height:.98;letter-spacing:-.03em;max-width:14ch}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lead{margin-top:30px;max-width:54ch}
.hero .hero-cta{margin-top:42px;display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero-scroll{margin-top:64px;display:inline-flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted-2)}
.hero-scroll .line{width:46px;height:1px;background:var(--muted-2);position:relative;overflow:hidden}
.hero-scroll .line::after{content:"";position:absolute;inset:0;background:var(--accent);transform:translateX(-100%);animation:slide 2.6s infinite var(--ease)}
@keyframes slide{0%{transform:translateX(-100%)}60%,100%{transform:translateX(100%)}}

/* =================================================================
   LOGOS « ils me font confiance »
   ================================================================= */
.trust{padding-block:36px;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.trust .container{display:flex;align-items:center;gap:clamp(24px,5vw,64px);flex-wrap:wrap;justify-content:center}
.trust .label{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2)}
.trust .logo-item{font-family:var(--font-display);font-weight:500;font-size:18px;color:var(--muted-2);opacity:.7;transition:.3s var(--ease)}
.trust .logo-item:hover{opacity:1;color:var(--text)}

/* =================================================================
   PROJETS — grille
   ================================================================= */
.proj-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:clamp(36px,5vw,56px)}
.grid-proj{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(18px,2.5vw,32px)}
.grid-proj.cols-3{grid-template-columns:repeat(3,1fr)}
.card{
  position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--surface);border:1px solid var(--line-soft);
  transition:transform .5s var(--ease),border-color .5s var(--ease)}
.card:hover{transform:translateY(-6px);border-color:var(--line)}
.card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.card .thumb .ph{position:absolute;inset:0;transition:transform .7s var(--ease)}
.card:hover .thumb .ph{transform:scale(1.05)}
.card .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:62px;height:62px;border-radius:50%;background:rgba(11,11,15,.4);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.25);display:grid;place-items:center;opacity:0;transition:opacity .4s var(--ease)}
.card:hover .play{opacity:1}
.card .play::after{content:"";width:0;height:0;border-left:13px solid #fff;border-top:8px solid transparent;border-bottom:8px solid transparent;margin-left:4px}
.card .tag{position:absolute;top:16px;left:16px;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#fff;background:rgba(11,11,15,.5);backdrop-filter:blur(6px);padding:6px 11px;border-radius:100px;border:1px solid rgba(255,255,255,.14)}
.card .body{padding:22px 24px 26px;display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.card .body h3{font-size:21px}
.card .body .client{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:8px}
.card .body .meta{font-size:14px;color:var(--muted)}
.card .corner{flex:0 0 auto;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);transition:.4s var(--ease)}
.card:hover .corner{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}

/* placeholders dégradés (à remplacer par vos visuels) */
.ph-1{background:linear-gradient(140deg,#1c1830,#3a2f6b 70%,#9B86FF)}
.ph-2{background:linear-gradient(140deg,#15141b,#2a2540 60%,#6f5fb0)}
.ph-3{background:linear-gradient(140deg,#241a2e,#5a3f6b 65%,#c79bd8)}
.ph-4{background:linear-gradient(140deg,#101622,#27506b 70%,#7fd6e6)}
.ph-5{background:linear-gradient(140deg,#2a1622,#6b3f57 65%,#ff9bc0)}
.ph-6{background:linear-gradient(140deg,#161a12,#3f5b27 70%,#bfe69b)}

/* =================================================================
   SERVICES
   ================================================================= */
.grid-serv{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,24px)}
.serv{padding:34px 30px;border:1px solid var(--line-soft);border-radius:var(--radius);background:var(--surface);transition:.4s var(--ease)}
.serv:hover{border-color:var(--line);background:var(--surface-2)}
.serv .ix{font-family:var(--font-mono);font-size:12px;color:var(--accent);letter-spacing:.2em;margin-bottom:24px}
.serv h3{font-size:23px;margin-bottom:12px}
.serv p{color:var(--muted);font-size:15px}
.serv ul{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:9px}
.serv li{font-size:14px;color:var(--muted);padding-left:18px;position:relative}
.serv li::before{content:"";position:absolute;left:0;top:8px;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:8px solid var(--accent)}

/* =================================================================
   PROCESS
   ================================================================= */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px);counter-reset:s}
.step{position:relative;padding-top:30px;border-top:1px solid var(--line)}
.step .n{font-family:var(--font-mono);font-size:12px;color:var(--accent);letter-spacing:.2em;margin-bottom:18px}
.step h3{font-size:22px;margin-bottom:10px}
.step p{color:var(--muted);font-size:15px}

/* =================================================================
   STATS
   ================================================================= */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:clamp(30px,4vw,52px);background:var(--surface)}
.stat .num{font-family:var(--font-display);font-weight:600;font-size:clamp(36px,5vw,58px);letter-spacing:-.03em;line-height:1}
.stat .num span{color:var(--accent)}
.stat .lbl{margin-top:12px;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}

/* =================================================================
   TÉMOIGNAGES
   ================================================================= */
.grid-quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(18px,2.5vw,28px)}
.quote{padding:38px 36px;border:1px solid var(--line-soft);border-radius:var(--radius-lg);background:var(--surface);display:flex;flex-direction:column;gap:26px}
.quote .mark{font-family:var(--font-display);font-size:54px;line-height:.6;color:var(--accent);height:24px}
.quote blockquote{font-family:var(--font-display);font-weight:400;font-size:clamp(18px,2.2vw,23px);line-height:1.4;letter-spacing:-.01em;color:var(--text)}
.quote .who{display:flex;align-items:center;gap:14px;margin-top:auto}
.quote .av{width:44px;height:44px;border-radius:50%;background:linear-gradient(140deg,#2a2540,#9B86FF);flex:0 0 auto}
.quote .who .nm{font-family:var(--font-display);font-weight:500;font-size:15px}
.quote .who .rl{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2)}

/* =================================================================
   CTA BAND
   ================================================================= */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:var(--surface);
  padding:clamp(48px,7vw,88px) var(--gutter);text-align:center}
.cta-band::before{content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(60% 120% at 50% 0%, rgba(155,134,255,.22) 0%, rgba(155,134,255,0) 60%)}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(30px,5vw,56px);max-width:18ch;margin:0 auto}
.cta-band p{color:var(--muted);margin:20px auto 0;max-width:46ch}
.cta-band .hero-cta{justify-content:center;margin-top:36px;display:flex;gap:16px;flex-wrap:wrap}

/* =================================================================
   FOOTER
   ================================================================= */
.site-footer{border-top:1px solid var(--line-soft);padding-top:clamp(56px,7vw,84px);padding-bottom:34px;margin-top:clamp(40px,6vw,80px)}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px}
.foot-brand p{color:var(--muted);font-size:15px;margin-top:22px;max-width:32ch}
.foot-brand .badge{margin-top:24px}
.foot-col h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2);font-weight:400;margin-bottom:20px}
.foot-col a,.foot-col p{display:block;color:var(--muted);font-size:15px;margin-bottom:12px;transition:color .3s var(--ease)}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  padding-top:30px;border-top:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2)}

/* =================================================================
   PAGE HEADER (sous-pages)
   ================================================================= */
.page-hero{position:relative;overflow:hidden;padding-top:clamp(60px,8vw,96px);padding-bottom:clamp(40px,6vw,64px)}
.page-hero::before{content:"";position:absolute;inset:0;z-index:0;background:radial-gradient(50% 70% at 80% 0%, rgba(155,134,255,.14) 0%, rgba(155,134,255,0) 55%)}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:clamp(38px,7vw,76px);line-height:1;letter-spacing:-.03em;margin-top:22px}
.page-hero .lead{margin-top:24px;max-width:58ch}
.breadcrumb{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2)}
.breadcrumb a:hover{color:var(--accent)}

/* =================================================================
   FICHE PROJET
   ================================================================= */
.proj-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px;padding-top:34px;border-top:1px solid var(--line)}
.proj-meta .m .k{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin-bottom:8px}
.proj-meta .m .v{font-family:var(--font-display);font-weight:500;font-size:17px}
.proj-stage{aspect-ratio:16/9;border-radius:var(--radius-lg);overflow:hidden;position:relative;margin-block:clamp(40px,6vw,64px);border:1px solid var(--line-soft)}
.proj-stage .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:84px;height:84px;border-radius:50%;background:rgba(11,11,15,.4);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.3);display:grid;place-items:center}
.proj-stage .play::after{content:"";width:0;height:0;border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:6px}
.proj-body{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(30px,6vw,80px);align-items:start}
.proj-body h2{font-size:clamp(24px,3vw,34px);margin-bottom:8px}
.proj-body .col-txt p{color:var(--muted);margin-bottom:18px}
.proj-body .col-txt p:last-child{margin-bottom:0}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:clamp(40px,6vw,64px)}
.gallery .g{aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-soft)}
.next-proj{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  margin-top:clamp(50px,7vw,90px);padding-top:40px;border-top:1px solid var(--line)}
.next-proj .lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin-bottom:10px}
.next-proj a{font-family:var(--font-display);font-weight:600;font-size:clamp(24px,3vw,38px);letter-spacing:-.02em;transition:color .3s var(--ease)}
.next-proj a:hover{color:var(--accent)}

/* =================================================================
   CONTACT
   ================================================================= */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:start}
.contact-methods{display:flex;flex-direction:column;gap:14px}
.method{display:flex;align-items:center;gap:18px;padding:22px 24px;border:1px solid var(--line-soft);border-radius:var(--radius);background:var(--surface);transition:.4s var(--ease)}
.method:hover{border-color:var(--accent);background:var(--surface-2)}
.method .ic{width:46px;height:46px;border-radius:12px;background:var(--accent-soft);display:grid;place-items:center;flex:0 0 auto;color:var(--accent);font-family:var(--font-mono);font-size:18px}
.method .k{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin-bottom:4px}
.method .v{display:block;font-family:var(--font-display);font-weight:500;font-size:17px}
.form{display:flex;flex-direction:column;gap:18px;padding:clamp(28px,4vw,40px);border:1px solid var(--line-soft);border-radius:var(--radius-lg);background:var(--surface)}
.field label{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:9px}
.field input,.field textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:13px 16px;color:var(--text);font-family:var(--font-body);font-size:15px;transition:border-color .3s var(--ease)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{resize:vertical;min-height:120px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* =================================================================
   REVEAL ANIMATION
   ================================================================= */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* =================================================================
   RESPONSIVE
   ================================================================= */
@media (max-width:1024px){
  .foot-top{grid-template-columns:1fr 1fr}
  .grid-serv,.steps{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr;gap:36px 24px}
  .proj-meta{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .nav-links{position:fixed;inset:78px 0 auto 0;flex-direction:column;gap:0;
    background:var(--bg-2);border-bottom:1px solid var(--line);
    padding:8px var(--gutter) 24px;transform:translateY(-120%);transition:transform .45s var(--ease);z-index:90}
  body.nav-open .nav-links{transform:none}
  .nav-links a{padding:16px 0;border-bottom:1px solid var(--line-soft);font-size:18px;width:100%}
  .nav-toggle{display:block}
  .nav-actions .btn{display:none}
  .nav-actions .badge{display:none}
  .grid-proj,.grid-proj.cols-3,.grid-quotes,.grid-serv,.steps,.contact-grid,.proj-body,.gallery,.form .row{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .foot-top{grid-template-columns:1fr 1fr;gap:32px}
  .proj-meta{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  .foot-top{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
}