/* Axiomata — site vitrine
   Midnight #0A0F1A · Navy #0F172A · Gold #C9A24A · Ivory #F5F5F5 */

@font-face{font-family:"Playfair Display";font-weight:400;font-style:normal;font-display:swap;src:url("/assets/fonts/playfair-display-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Playfair Display";font-weight:500;font-style:normal;font-display:swap;src:url("/assets/fonts/playfair-display-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Playfair Display";font-weight:600;font-style:normal;font-display:swap;src:url("/assets/fonts/playfair-display-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-weight:100 900;font-style:normal;font-display:swap;src:url("/assets/fonts/inter-latin-wght-normal.woff2") format("woff2")}

:root{
  --midnight:#0A0F1A;
  --navy:#0F172A;
  --gold:#C9A24A;
  --gold-light:#D9B964;
  --gold-deep:#7A5C14;   /* texte doré sur fond clair, contraste 5.7:1 */
  --ivory:#F5F5F5;
  --ink:#0F172A;
  --muted:#4B5563;
  --line:rgba(15,23,42,.12);
  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --wrap:1160px;
  --header:76px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:var(--sans);font-size:1.0625rem;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:500;margin:0;letter-spacing:.005em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;background:var(--gold);color:var(--midnight);padding:.6rem 1rem;z-index:100;text-decoration:none;font-weight:600}
.skip:focus{top:12px}

/* ---------- Header ---------- */
.site-header{position:fixed;inset:0 0 auto 0;height:var(--header);z-index:50;transition:background .35s,box-shadow .35s}
.site-header.solid{background:rgba(10,15,26,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(201,162,74,.22)}
.header-in{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:14px;text-decoration:none}
.brand-icon{width:38px;height:auto}
.brand-word{width:123px;height:auto}
.nav{display:flex;align-items:center;gap:34px}
.nav a{color:var(--ivory);text-decoration:none;font-size:.82rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;opacity:.86;transition:opacity .2s,color .2s}
.nav a:hover{opacity:1;color:var(--gold)}
.nav .btn{opacity:1;color:var(--midnight)}
.nav .btn:hover{color:var(--midnight)}
.nav-lang{border:1px solid rgba(245,245,245,.3);padding:.28rem .6rem;border-radius:2px;font-size:.74rem!important}
.menu-btn{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;color:var(--ivory)}
.menu-bars,.menu-bars::before,.menu-bars::after{display:block;width:24px;height:2px;background:currentColor;position:relative;margin:0 auto;transition:transform .3s,background .3s}
.menu-bars::before,.menu-bars::after{content:"";position:absolute;left:0}
.menu-bars::before{top:-7px}
.menu-bars::after{top:7px}
.menu-btn[aria-expanded="true"] .menu-bars{background:transparent}
.menu-btn[aria-expanded="true"] .menu-bars::before{transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] .menu-bars::after{transform:translateY(-7px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{display:inline-block;background:var(--gold);color:var(--midnight);text-decoration:none;font-weight:600;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;padding:1.05rem 1.9rem;border:1px solid var(--gold);border-radius:2px;transition:background .25s,transform .25s,border-color .25s,color .25s}
.btn:hover{background:var(--gold-light);border-color:var(--gold-light);transform:translateY(-1px)}
.btn-sm{padding:.7rem 1.2rem;font-size:.74rem}
.btn-ghost{background:transparent;color:var(--ivory);border-color:rgba(245,245,245,.38)}
.btn-ghost:hover{background:rgba(245,245,245,.08);border-color:var(--gold);color:var(--gold)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;background:var(--midnight);color:var(--ivory);display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;padding:calc(var(--header) + 40px) 0 90px}
.hero-art{position:absolute;inset:0;width:100%;height:100%}
.hero-glow{position:absolute;inset:0;background:radial-gradient(ellipse 60% 55% at 50% 42%,rgba(15,23,42,.0) 0%,rgba(10,15,26,.55) 100%),radial-gradient(ellipse 50% 40% at 50% 38%,rgba(201,162,74,.07),transparent 70%)}
.hero-in{position:relative;display:flex;flex-direction:column;align-items:center}
.hero-logo{width:clamp(96px,12vw,132px);height:auto;margin-bottom:34px}
.eyebrow{font-family:var(--sans);font-size:.74rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-deep);display:flex;align-items:center;gap:14px;margin-bottom:1.1rem}
.eyebrow::before{content:"";width:34px;height:1px;background:currentColor}
.eyebrow-c{color:var(--gold);justify-content:center;margin-bottom:1.6rem}
.eyebrow-c::before{display:none}
.hero h1{font-size:clamp(2.35rem,6.2vw,4.7rem);line-height:1.08;max-width:18ch;text-wrap:balance;color:var(--ivory);font-weight:500}
.hero h1 .fn{font-size:.5em;vertical-align:super;line-height:0;color:var(--gold);margin-left:.06em}
.lead{max-width:60ch;margin-top:1.7rem;font-size:clamp(1.02rem,1.5vw,1.2rem);color:rgba(245,245,245,.82);line-height:1.7}
.actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:2.6rem}
.scroll-cue{position:absolute;left:50%;bottom:26px;width:1px;height:52px;background:linear-gradient(var(--gold),transparent);transform:translateX(-50%);opacity:.7}

/* hero animations */
.draw{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2.4s cubic-bezier(.5,0,.2,1) forwards}
.a1{animation-delay:.2s}.a2{animation-delay:.45s}.a3{animation-delay:.7s}.a4{animation-delay:.95s}.a5{animation-delay:1.2s}.a6{animation-delay:1.5s}
@keyframes draw{to{stroke-dashoffset:0}}
.spin{transform-box:fill-box;transform-origin:center;animation:spin 220s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.fade{opacity:0;transform:translateY(14px);animation:fadeUp 1.1s cubic-bezier(.2,.6,.2,1) forwards}
.d1{animation-delay:.1s}.d2{animation-delay:.45s}.d3{animation-delay:.65s}.d4{animation-delay:.9s}.d5{animation-delay:1.1s}
@keyframes fadeUp{to{opacity:1;transform:none}}

/* ---------- Sections ---------- */
.section{padding:clamp(72px,10vw,132px) 0}
.section-tight{padding-top:0}
h2{font-size:clamp(1.8rem,3.6vw,2.9rem);line-height:1.15;color:var(--ink)}
.sec-head{margin-bottom:clamp(36px,5vw,64px);max-width:720px}

.conv{display:grid;gap:40px;grid-template-columns:1fr}
.conv h2{max-width:16ch;text-wrap:balance}
.conv-text{display:grid;gap:1.3rem;color:var(--muted);font-size:1.1rem;line-height:1.8;border-left:1px solid rgba(201,162,74,.6);padding-left:28px}

/* cards */
.cards{display:grid;gap:24px;grid-template-columns:1fr}
.card{position:relative;background:#fff;border:1px solid var(--line);padding:38px 32px 34px;transition:transform .35s,box-shadow .35s}
.card::before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:3px;background:var(--gold)}
.card:hover{transform:translateY(-4px);box-shadow:0 24px 50px -28px rgba(15,23,42,.35)}
.card-num{display:block;font-family:var(--serif);font-size:1rem;color:var(--gold-deep);letter-spacing:.14em;margin-bottom:1.1rem}
.card h3{font-size:1.5rem;line-height:1.25;margin-bottom:1.5rem;color:var(--ink)}
.card li{position:relative;padding:.62rem 0 .62rem 1.5rem;font-size:.96rem;line-height:1.55;color:var(--muted);border-top:1px solid var(--line)}
.card li:first-child{border-top:0}
.card li::before{content:"";position:absolute;left:0;top:1.28rem;width:10px;height:1px;background:var(--gold)}

/* why */
.why{display:grid;gap:0;grid-template-columns:1fr;border-top:1px solid var(--line)}
.why-item{padding:34px 0;border-bottom:1px solid var(--line);display:grid;gap:10px}
.why-num{font-family:var(--serif);color:var(--gold-deep);font-size:1rem;letter-spacing:.14em}
.why-item h3{font-size:1.4rem;color:var(--ink)}
.why-item p{color:var(--muted);max-width:46ch}

.stats{display:grid;grid-template-columns:1fr;gap:0;margin-top:clamp(48px,6vw,80px)}
.stat{padding:30px 0;border-top:1px solid var(--gold);display:flex;flex-direction:column;gap:6px}
.stat-n{font-family:var(--serif);font-size:clamp(2.4rem,5vw,3.6rem);line-height:1;color:var(--ink);font-weight:500}
.stat-l{font-size:.92rem;color:var(--muted);max-width:30ch}

/* refs */
.refs{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0}
.refs-in{display:flex;flex-direction:column;gap:16px;align-items:center;text-align:center}
.refs-label{font-size:.72rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-deep)}
.refs-list{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 0}
.refs-list li{font-family:var(--serif);font-size:1.15rem;color:var(--ink);padding:0 20px;position:relative}
.refs-list li+li::before{content:"";position:absolute;left:-2px;top:50%;width:5px;height:5px;background:var(--gold);transform:translateY(-50%) rotate(45deg)}

/* CTA band */
.cta-band{position:relative;background:var(--midnight);color:var(--ivory);text-align:center;padding:clamp(84px,11vw,140px) 0;overflow:hidden}
.cta-art{position:absolute;inset:0;background:
  radial-gradient(circle at 50% 50%,transparent 0 180px,rgba(201,162,74,.20) 181px,transparent 183px),
  radial-gradient(circle at 50% 50%,transparent 0 300px,rgba(201,162,74,.12) 301px,transparent 303px),
  radial-gradient(circle at 50% 50%,transparent 0 440px,rgba(201,162,74,.08) 441px,transparent 443px),
  linear-gradient(rgba(201,162,74,.05) 1px,transparent 1px) 0 0/90px 90px,
  linear-gradient(90deg,rgba(201,162,74,.05) 1px,transparent 1px) 0 0/90px 90px}
.cta-in{position:relative;display:flex;flex-direction:column;align-items:center}
.cta-logo{width:64px;height:auto;margin-bottom:28px}
.cta-band h2{color:var(--ivory);max-width:18ch}
.cta-band p{color:rgba(245,245,245,.8);margin:1.2rem 0 2.2rem;max-width:46ch}
.cta-band .cta-mail{margin:1.8rem 0 0;font-size:.95rem}
.cta-mail a{color:var(--gold);text-decoration:none;border-bottom:1px solid rgba(201,162,74,.5)}
.cta-mail a:hover{border-color:var(--gold)}

/* footer */
.site-footer{background:var(--midnight);color:rgba(245,245,245,.75);border-top:1px solid rgba(201,162,74,.22);padding:44px 0 40px;font-size:.9rem}
.foot-in{display:flex;flex-direction:column;gap:26px;align-items:flex-start}
.foot-links{display:flex;flex-wrap:wrap;gap:12px 30px}
.foot-links a{text-decoration:none;color:rgba(245,245,245,.85)}
.foot-links a:hover{color:var(--gold)}
.foot-note{font-size:.82rem;color:rgba(245,245,245,.6)}

/* reveal on scroll (only when JS is on) */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .9s cubic-bezier(.2,.6,.2,1),transform .9s cubic-bezier(.2,.6,.2,1)}
.js .reveal.in{opacity:1;transform:none}
.js .cards .reveal:nth-child(2),.js .why .reveal:nth-child(2){transition-delay:.1s}
.js .cards .reveal:nth-child(3),.js .why .reveal:nth-child(3){transition-delay:.2s}
.js .why .reveal:nth-child(4){transition-delay:.3s}

/* ---------- Responsive ---------- */
@media (min-width:760px){
  .why{grid-template-columns:1fr 1fr;column-gap:64px}
  .why-item{grid-template-columns:auto 1fr;column-gap:22px;row-gap:8px}
  .why-num{grid-row:1/3;padding-top:.45rem}
  .stats{grid-template-columns:repeat(3,1fr);gap:40px}
  .foot-in{flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between}
  .foot-note{flex-basis:100%;margin-top:6px}
}
@media (min-width:980px){
  .conv{grid-template-columns:1fr 1fr;gap:80px;align-items:start}
  .cards{grid-template-columns:repeat(3,1fr);gap:28px}
}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{position:fixed;inset:var(--header) 0 auto 0;background:var(--midnight);flex-direction:column;align-items:flex-start;gap:0;padding:12px 24px 28px;border-bottom:1px solid rgba(201,162,74,.25);transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .25s,transform .25s,visibility .25s}
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav a{width:100%;padding:16px 0;border-bottom:1px solid rgba(245,245,245,.08);font-size:.9rem}
  .nav .nav-lang{width:auto;margin:16px 0 0;padding:.4rem .8rem}
  .nav .btn{width:auto;margin-top:18px;padding:.95rem 1.5rem;border-bottom:1px solid var(--gold)}
  .site-header.menu-open{background:var(--midnight)}
}
@media (max-width:520px){
  .brand-word{width:104px}
  .hero{padding-bottom:110px}
  .btn{width:100%;text-align:center}
  .actions{width:100%}
  .card{padding:32px 24px 28px}
  .conv-text{padding-left:20px}
}

/* pages texte (mentions légales) */
.page-head{background:var(--midnight);color:var(--ivory);padding:calc(var(--header) + 64px) 0 56px}
.page-head h1{font-size:clamp(2rem,4.5vw,3rem)}
.doc{padding:56px 0 96px}
.doc .wrap{max-width:780px}
.doc h2{font-size:1.5rem;margin:2.4rem 0 .8rem}
.doc p,.doc li{color:var(--muted)}
.doc p+p{margin-top:1rem}
.doc a{color:var(--gold-deep)}
.todo{background:rgba(201,162,74,.18);color:var(--ink);padding:0 .3em}

/* ---------- Pages de service ---------- */
.crumbs{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.4rem;font-size:.8rem;color:rgba(245,245,245,.6);margin-bottom:1.8rem}
.crumbs li+li::before{content:"/";margin-right:.4rem;opacity:.5}
.crumbs a{color:rgba(245,245,245,.78);text-decoration:none}
.crumbs a:hover{color:var(--gold)}
.page-head .eyebrow{color:var(--gold)}
.page-head h1{max-width:22ch;line-height:1.12;text-wrap:balance}
.page-head .lead{margin-top:1.4rem}
.page-head .actions{justify-content:flex-start}
.card-more{display:inline-block;margin-top:1.4rem;font-size:.76rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);text-decoration:none;border-bottom:1px solid currentColor}
.card-more:hover{color:var(--ink)}
.card-links{display:flex;flex-wrap:wrap;gap:.7rem 1.4rem;margin-top:1.4rem}
.card-links .card-more{margin-top:0}
.related{display:grid;gap:16px;grid-template-columns:1fr}
.related a{display:block;background:#fff;border:1px solid var(--line);border-top:3px solid var(--gold);padding:24px 26px;text-decoration:none;transition:transform .3s,box-shadow .3s}
.related a:hover{transform:translateY(-3px);box-shadow:0 18px 40px -26px rgba(15,23,42,.35)}
.related strong{display:block;font-family:var(--serif);font-weight:500;font-size:1.2rem;color:var(--ink);margin-bottom:.35rem}
.related span{font-size:.92rem;color:var(--muted)}
@media (min-width:760px){.related{grid-template-columns:repeat(3,1fr)}}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:0;grid-template-columns:1fr;counter-reset:step;border-top:1px solid var(--gold)}
.step{padding:28px 0;border-bottom:1px solid var(--line)}
.step::before{counter-increment:step;content:"0" counter(step);display:block;font-family:var(--serif);color:var(--gold-deep);letter-spacing:.14em;margin-bottom:.6rem}
.step h3{font-size:1.3rem;margin-bottom:.5rem}
.step p{color:var(--muted)}
.faq{max-width:820px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:24px 40px 24px 0;position:relative;font-family:var(--serif);font-size:1.25rem;line-height:1.35}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:20px;font-family:var(--sans);font-size:1.5rem;color:var(--gold-deep);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding:0 0 24px;max-width:70ch}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (min-width:760px){
  .steps{grid-template-columns:repeat(2,1fr);column-gap:48px}
}
@media (min-width:980px){
  .steps{grid-template-columns:repeat(4,1fr);column-gap:36px;border-top:0}
  .step{border-bottom:0;border-top:1px solid var(--gold)}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .draw{animation:none;stroke-dashoffset:0}
  .spin{animation:none}
  .fade{animation:none;opacity:1;transform:none}
  .js .reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms!important}
}