/* ==========================================================================
   ROBIN MARIETON — feuille de styles
   Palette : navy profond, laiton mat, crème. Typo éditoriale.
   ========================================================================== */

:root{
  --navy:#101d2f;
  --navy-2:#182b45;
  --navy-3:#223a5c;
  --laiton:#a8884e;
  --laiton-l:#c3a367;
  --cream:#f7f3ea;
  --cream-2:#efe8da;
  --ink:#16202e;
  --muted:#5f6c7e;
  --muted-l:#93a2b5;
  --line:#e0d8c8;
  --line-d:rgba(255,255,255,.14);
  --wrap:1220px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--cream); color:var(--ink);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:17px; line-height:1.68; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%; height:auto; display:block}
a{color:inherit}
button{font:inherit}
.wrap{max-width:var(--wrap); margin:0 auto; padding:0 28px}

h1,h2,h3,.display{
  font-family:Fraunces,"Iowan Old Style",Georgia,serif;
  font-weight:600; line-height:1.1; margin:0; letter-spacing:-.015em;
}
h1{font-size:clamp(2.4rem,6vw,4.6rem)}
h2{font-size:clamp(1.8rem,3.6vw,2.9rem); margin-bottom:18px}
h3{font-size:1.18rem; line-height:1.3; margin-bottom:10px}
p{margin:0 0 16px}

.kicker{
  font-size:.72rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--laiton); font-weight:600; margin-bottom:14px;
  display:flex; align-items:center; gap:12px;
}
.kicker::before{content:""; width:28px; height:1px; background:var(--laiton); display:block}
.lead{font-size:1.12rem; color:var(--muted); max-width:680px}

/* ---------- animations ---------- */
.reveal{opacity:0; transform:translateY(26px); transition:opacity .9s var(--ease), transform .9s var(--ease)}
.reveal.in{opacity:1; transform:none}
.reveal[data-d="1"]{transition-delay:.09s}
.reveal[data-d="2"]{transition-delay:.18s}
.reveal[data-d="3"]{transition-delay:.27s}
.reveal[data-d="4"]{transition-delay:.36s}
.reveal[data-d="5"]{transition-delay:.45s}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1; transform:none; transition:none}
  .hero-img img{animation:none !important}
}

/* ---------- navigation ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:60;
  display:flex; align-items:center; justify-content:space-between; gap:22px;
  padding:22px 28px; color:#fff;
  transition:padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}
.nav.scrolled{
  padding:12px 28px; background:rgba(16,29,47,.96);
  backdrop-filter:blur(10px); box-shadow:0 1px 0 var(--line-d);
}
.marque{text-decoration:none; display:flex; flex-direction:column; line-height:1.12}
.marque strong{
  font-family:Fraunces,Georgia,serif; font-size:1.18rem; letter-spacing:.1em; font-weight:600;
}
.marque span{
  font-size:.66rem; color:var(--muted-l); letter-spacing:.2em; text-transform:uppercase; margin-top:3px;
}
.nav nav{display:flex; align-items:center; gap:30px}
.nav nav a{
  text-decoration:none; font-size:.9rem; color:#e2e8f0; position:relative; padding:4px 0;
}
.nav nav a:not(.btn-nav)::after{
  content:""; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--laiton); transition:width .35s var(--ease);
}
.nav nav a:not(.btn-nav):hover::after{width:100%}
.btn-nav{
  border:1px solid rgba(255,255,255,.4); border-radius:999px; padding:9px 20px;
  transition:.3s var(--ease);
}
.btn-nav:hover{background:var(--laiton); border-color:var(--laiton); color:#fff}

/* ---------- hero ---------- */
.hero{position:relative; min-height:100svh; display:flex; align-items:center; background:var(--navy); color:#fff; overflow:hidden}
.hero-img{position:absolute; inset:0; overflow:hidden}
.hero-img img{
  width:100%; height:100%; object-fit:cover; opacity:.34;
  animation:kenburns 26s var(--ease) infinite alternate;
}
@keyframes kenburns{from{transform:scale(1)} to{transform:scale(1.11)}}
.hero-img::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(105deg,rgba(16,29,47,.94) 0%,rgba(16,29,47,.72) 45%,rgba(16,29,47,.42) 100%);
}
.hero-txt{position:relative; max-width:var(--wrap); margin:0 auto; padding:140px 28px 110px; width:100%}
.sur{
  font-size:.74rem; letter-spacing:.26em; text-transform:uppercase;
  color:var(--laiton); font-weight:600; margin-bottom:24px;
}
.hero h1{max-width:15ch}
.hero h1 .thin{font-weight:500; font-style:italic; color:var(--cream-2)}
.chapo{max-width:600px; font-size:1.14rem; color:#cbd6e4; margin-top:26px}
.cta{display:flex; flex-wrap:wrap; gap:14px; margin-top:38px}
.btn{
  display:inline-flex; align-items:center; gap:10px; text-decoration:none;
  font-weight:600; font-size:.94rem; padding:15px 30px; border-radius:2px;
  background:var(--laiton); color:#fff; border:1px solid var(--laiton);
  transition:.3s var(--ease); position:relative; overflow:hidden;
}
.btn span{position:relative; z-index:1}
.btn::before{
  content:""; position:absolute; inset:0; background:var(--ink);
  transform:translateY(101%); transition:transform .4s var(--ease);
}
.btn:hover::before{transform:translateY(0)}
.btn:hover{border-color:var(--ink)}
.btn.ghost{background:transparent; border-color:rgba(255,255,255,.4)}
.btn.ghost::before{background:#fff}
.btn.ghost:hover{color:var(--navy); border-color:#fff}
.scroll-cue{
  position:absolute; bottom:34px; left:50%; transform:translateX(-50%);
  font-size:.68rem; letter-spacing:.2em; text-transform:uppercase; color:var(--muted-l);
  display:flex; flex-direction:column; align-items:center; gap:10px;
}
.scroll-cue i{display:block; width:1px; height:42px; background:linear-gradient(var(--laiton),transparent); animation:cue 2.2s ease-in-out infinite}
@keyframes cue{0%,100%{opacity:.25; transform:scaleY(.5)} 50%{opacity:1; transform:scaleY(1)}}

/* ---------- manifeste ---------- */
.manifeste{background:var(--navy); color:#fff; padding:clamp(70px,9vw,120px) 0; position:relative}
.manifeste .display{
  font-size:clamp(1.5rem,3.1vw,2.5rem); line-height:1.32; max-width:20ch; font-weight:500;
}
.manifeste .display em{color:var(--laiton); font-style:italic}
.man-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:60px; align-items:center}
.man-grid p{color:#b9c6d6}

/* ---------- chiffres ---------- */
.chiffres{background:var(--navy); color:#fff; padding-bottom:clamp(60px,7vw,90px)}
.chiffres .wrap{display:grid; grid-template-columns:repeat(4,1fr); gap:24px}
.chiffre{border-top:1px solid var(--line-d); padding-top:20px}
.chiffre strong{
  display:block; font-family:Fraunces,Georgia,serif; font-size:clamp(2.2rem,4.4vw,3.2rem);
  color:var(--laiton); line-height:1; font-weight:600;
}
.chiffre span{font-size:.82rem; color:var(--muted-l); letter-spacing:.05em; display:block; margin-top:8px}

/* ---------- blocs ---------- */
.bloc{padding:clamp(72px,9vw,124px) 0}
.bloc.alt{background:var(--cream-2)}
.bloc.blanc{background:#fff}
.head{max-width:760px; margin-bottom:52px}

/* piliers */
.pilier{
  display:grid; grid-template-columns:1fr 1fr; gap:0; align-items:stretch;
  background:#fff; border:1px solid var(--line); margin-bottom:34px; overflow:hidden;
}
.pilier:nth-child(even) .pil-img{order:2}
.pil-img{position:relative; min-height:340px; overflow:hidden; background:var(--cream-2)}
.pil-img img{width:100%; height:100%; object-fit:cover; transition:transform 1.1s var(--ease)}
.pilier:hover .pil-img img{transform:scale(1.06)}
.pil-num{
  position:absolute; top:22px; left:24px; z-index:2;
  font-family:Fraunces,Georgia,serif; font-size:3.2rem; color:#fff; opacity:.9; line-height:1;
  text-shadow:0 2px 20px rgba(0,0,0,.4);
}
.pil-txt{padding:clamp(30px,4vw,52px)}
.pil-txt h3{font-size:clamp(1.3rem,2.2vw,1.75rem); margin-bottom:16px}
.pil-txt p{color:var(--muted)}
.pil-txt ul{margin:22px 0 0; padding:0; list-style:none; display:grid; gap:9px}
.pil-txt li{position:relative; padding-left:24px; font-size:.93rem; color:var(--ink)}
.pil-txt li::before{
  content:""; position:absolute; left:0; top:.62em; width:9px; height:1px; background:var(--laiton);
}

/* ---------- gammes ---------- */
.gammes{display:grid; grid-template-columns:repeat(3,1fr); gap:26px}
.gamme{
  background:#fff; border:1px solid var(--line); display:flex; flex-direction:column;
  transition:transform .5s var(--ease), box-shadow .5s var(--ease), border-color .5s var(--ease);
}
.gamme:hover{transform:translateY(-6px); box-shadow:0 22px 48px -22px rgba(16,29,47,.32); border-color:var(--laiton)}
.gamme-img{aspect-ratio:4/3; overflow:hidden; background:var(--cream-2); position:relative}
.gamme-img img{width:100%; height:100%; object-fit:cover; transition:transform .9s var(--ease)}
.gamme:hover .gamme-img img{transform:scale(1.07)}
.gamme-img::after{
  content:""; position:absolute; inset:0; background:linear-gradient(transparent 55%,rgba(16,29,47,.28));
  opacity:0; transition:opacity .5s var(--ease);
}
.gamme:hover .gamme-img::after{opacity:1}
.gamme-txt{padding:26px 26px 28px; flex:1; display:flex; flex-direction:column}
.tag{
  display:inline-block; font-size:.66rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--laiton); font-weight:600; margin-bottom:11px;
}
.gamme-txt h3{font-size:1.08rem}
.gamme-txt p{font-size:.92rem; color:var(--muted); margin-bottom:18px}
.circuits{
  margin-top:auto; padding-top:15px; border-top:1px solid var(--line);
  font-size:.79rem; color:var(--navy-3); font-weight:500; margin-bottom:0;
}

/* ---------- listes numérotées ---------- */
.liste{display:grid; gap:0; border-top:1px solid var(--line)}
.item{
  display:grid; grid-template-columns:78px 1fr 1.25fr; gap:26px; align-items:start;
  padding:30px 0; border-bottom:1px solid var(--line); transition:background .4s var(--ease);
}
.item:hover{background:rgba(168,136,78,.07)}
.item .n{
  font-family:Fraunces,Georgia,serif; font-size:1.5rem; color:var(--laiton); line-height:1;
}
.item h3{margin:0; font-size:1.15rem}
.item p{margin:0; color:var(--muted); font-size:.95rem}

/* ---------- contact ---------- */
.contact{background:var(--navy); color:#fff; padding:clamp(72px,9vw,120px) 0}
.contact .kicker{color:var(--laiton)}
.contact .lead{color:#c3cfdd}
.contact-grid{display:grid; grid-template-columns:.85fr 1.15fr; gap:64px; align-items:start}
.coord{display:grid; gap:26px; margin-top:34px}
.coord div{border-top:1px solid var(--line-d); padding-top:16px; font-size:.96rem; color:#d5dfec}
.coord span{
  display:block; font-size:.68rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--muted-l); margin-bottom:9px;
}
.coord a{color:var(--laiton); text-decoration:none; word-break:break-word}
.coord a:hover{text-decoration:underline}

/* formulaire */
.form{background:rgba(255,255,255,.045); border:1px solid var(--line-d); padding:clamp(26px,3.4vw,42px)}
.f-row{display:grid; grid-template-columns:1fr 1fr; gap:18px}
.f{margin-bottom:18px}
.f label{
  display:block; font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--muted-l); margin-bottom:8px;
}
.f input,.f select,.f textarea{
  width:100%; background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.18);
  color:#fff; padding:13px 15px; font-size:.96rem; border-radius:2px;
  transition:border-color .3s var(--ease), background .3s var(--ease);
  font-family:inherit;
}
.f textarea{min-height:130px; resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus{
  outline:none; border-color:var(--laiton); background:rgba(255,255,255,.1);
}
.f input::placeholder,.f textarea::placeholder{color:#7d8ea3}
.f select option{background:var(--navy-2); color:#fff}
.hp{position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden}
.form .btn{width:100%; justify-content:center; margin-top:6px; cursor:pointer}
.rgpd{font-size:.79rem; color:var(--muted-l); margin:16px 0 0; line-height:1.55}
.msg{padding:15px 18px; border-radius:2px; margin-bottom:22px; font-size:.93rem}
.msg.ok{background:rgba(72,170,110,.16); border:1px solid rgba(72,170,110,.5); color:#bdecd0}
.msg.ko{background:rgba(214,82,82,.14); border:1px solid rgba(214,82,82,.5); color:#f3c2c2}

/* ---------- footer ---------- */
footer{background:#0a1522; color:#8595a8; padding:44px 0 34px; font-size:.83rem}
.f-top{display:flex; flex-wrap:wrap; gap:20px; justify-content:space-between; align-items:baseline; margin-bottom:24px}
.f-top strong{font-family:Fraunces,Georgia,serif; font-size:1.1rem; color:#e6edf5; letter-spacing:.08em}
footer p{margin:0 0 7px; line-height:1.6}
footer a{color:var(--laiton); text-decoration:none}
footer a:hover{text-decoration:underline}
.legal{border-top:1px solid rgba(255,255,255,.1); padding-top:20px; color:#6b7c90; font-size:.78rem}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .gammes{grid-template-columns:repeat(2,1fr)}
  .man-grid,.contact-grid{grid-template-columns:1fr; gap:38px}
  .pilier{grid-template-columns:1fr}
  .pilier:nth-child(even) .pil-img{order:0}
  .pil-img{min-height:260px}
  .item{grid-template-columns:54px 1fr; gap:18px}
  .item p{grid-column:2}
}
@media (max-width:700px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .nav{padding:16px 18px}
  .nav.scrolled{padding:10px 18px}
  .nav nav{gap:14px}
  .nav nav a:not(.btn-nav){display:none}
  .hero-txt{padding:120px 18px 90px}
  .chiffres .wrap{grid-template-columns:1fr 1fr; gap:20px}
  .gammes{grid-template-columns:1fr}
  .f-row{grid-template-columns:1fr}
  .scroll-cue{display:none}
}