*,*:before,*:after{box-sizing:border-box;margin:0}:root{--petrol-900: #012c36;--petrol-800: #013b48;--petrol-700: #015768;--petrol-600: #0a6c7e;--gold-500: #f2c75b;--gold-400: #f7d888;--gold-200: #fbecc4;--brick: #d0492c;--paper: #f7f2e6;--paper-dim: #efe7d3;--ink: #10262b;--ink-soft: #3d5257;--line: #d8cdb4;--line-dark: rgba(247, 242, 230, .18);--font-display: "Fraunces", Georgia, "Times New Roman", serif;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--step--1: clamp(.85rem, .82rem + .15vw, .95rem);--step-0: 1.0625rem;--step-1: clamp(1.15rem, 1.05rem + .5vw, 1.4rem);--step-2: clamp(1.4rem, 1.2rem + 1vw, 1.9rem);--step-3: clamp(1.9rem, 1.5rem + 2vw, 3.1rem);--step-4: clamp(2.6rem, 1.9rem + 3.6vw, 5.4rem);--wrap: 1200px;--gutter: clamp(1.15rem, 5vw, 4rem);--radius: 5px;--ease: cubic-bezier(.22, .61, .36, 1)}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}html,body{overflow-x:clip}body{position:relative}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}body{font-family:var(--font-sans);font-size:var(--step-0);line-height:1.65;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{font-family:var(--font-display);font-weight:460;line-height:1.04;letter-spacing:-.015em;font-optical-sizing:auto}h1{font-size:var(--step-4)}h2{font-size:var(--step-3)}h3{font-size:var(--step-2)}p{max-width:62ch}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:3px}img{display:block;max-width:100%;height:auto}[id]{scroll-margin-top:5.5rem}strong{font-weight:600}em,.accent-italic{font-family:var(--font-display);font-style:italic;font-weight:460}::selection{background:var(--gold-500);color:var(--ink)}:focus-visible{outline:2px solid 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.kicker{color:var(--gold-500)}.section-head{display:grid;gap:1rem;max-width:44rem;margin-bottom:clamp(2rem,5vw,3.75rem)}.section-head p{color:var(--ink-soft);font-size:var(--step-1)}.section--petrol .section-head p,.section--ink .section-head p{color:#f7f2e6c7}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 92%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:border-color .3s var(--ease),background .3s var(--ease),padding .3s var(--ease)}.site-header.is-stuck{border-color:var(--line);background:color-mix(in srgb,var(--paper) 97%,transparent)}.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding-block:1.1rem;transition:padding .3s var(--ease)}.site-header.is-stuck 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a.is-active{color:var(--ink)}.primary-nav__links a.is-active:after{transform:scaleX(1)}.nav-toggle{display:none}.site-footer{background:var(--petrol-900);color:#f7f2e6d1;padding-block:clamp(3rem,6vw,4.5rem);font-size:.95rem}.site-footer a{color:var(--gold-400)}.site-footer p{max-width:none}.footer-band{font-family:var(--font-sans);font-size:.8rem;font-weight:600;letter-spacing:.22em;color:var(--gold-500);margin-bottom:1rem}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:clamp(1.5rem,4vw,3rem)}.footer-grid h4{font-family:var(--font-sans);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-500);margin-bottom:.75rem}.footer-bottom{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--line-dark);display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between;font-size:.82rem;color:#f7f2e68c}@media (max-width: 860px){.primary-nav__links{position:fixed;inset:0 0 0 auto;width:min(78vw,320px);flex-direction:column;gap:.4rem;background:var(--petrol-800);color:var(--paper);padding:6rem 2rem 2rem;transform:translate(100%);visibility:hidden;transition:transform .36s var(--ease),visibility 0s linear .36s}.primary-nav__links.is-open{transform:translate(0);visibility:visible;transition:transform .36s var(--ease)}.primary-nav__links a{color:#f7f2e6d9;font-size:1.05rem}.nav-toggle{display:inline-flex;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer;z-index:60}.nav-toggle span{width:26px;height:2px;background:var(--ink);transition:transform .3s var(--ease),opacity .3s var(--ease)}.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.is-open span:nth-child(2){opacity:0}.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.footer-grid{grid-template-columns:1fr}}.btn{--btn-bg: var(--gold-500);--btn-fg: var(--ink);display:inline-flex;align-items:center;gap:.55rem;padding:.85rem 1.5rem;font-family:var(--font-sans);font-size:.95rem;font-weight:600;letter-spacing:.01em;text-decoration:none;color:var(--btn-fg);background:var(--btn-bg);border:1px solid var(--btn-bg);border-radius:var(--radius);cursor:pointer;transition:transform .18s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease)}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px -12px #012c368c}.btn:active{transform:translateY(0)}.section--petrol .btn:not(.btn--ghost),.section--ink .btn:not(.btn--ghost){color:var(--ink)}.btn--ghost{--btn-bg: transparent;--btn-fg: currentColor;border-color:currentColor}.btn--ghost:hover{background:#ffffff14;box-shadow:none}.btn--lg{padding:1.05rem 2rem;font-size:1rem}.btn--sm{padding:.5rem 1rem;font-size:.82rem}.btn__arrow{transition:transform .22s var(--ease)}.btn:hover .btn__arrow{transform:translate(4px)}.hero{position:relative;color:var(--paper);background:var(--petrol-900);overflow:hidden;isolation:isolate}.hero__bg{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-2;object-fit:cover;width:100%;height:100%;opacity:.38;filter:saturate(1.1)}.hero:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(120% 90% at 15% 0%,rgba(1,87,104,.35),transparent 55%),linear-gradient(180deg,rgba(1,20,26,.55) 0%,rgba(1,20,26,.35) 45%,var(--petrol-900) 100%)}.hero__inner{display:grid;gap:clamp(2rem,5vw,3.5rem);padding-block:clamp(4.5rem,12vw,9rem) clamp(3rem,7vw,5rem)}.hero__title{max-width:16ch;font-size:var(--step-4)}.hero__title .accent-italic{color:var(--gold-400)}.hero__lead{max-width:46ch;font-size:var(--step-1);color:#f7f2e6d9}.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem}.hero__lead strong{color:var(--gold-400);font-weight:600}.atelier-index{border-top:1.5px solid var(--ink)}.atelier{border-bottom:1.5px solid var(--ink)}.atelier__summary{display:grid;grid-template-columns:3.5rem 1fr auto;align-items:baseline;gap:1rem 1.5rem;width:100%;padding:1.7rem 1rem;margin-inline:-1rem;background:none;border:0;text-align:left;cursor:pointer;font:inherit;color:inherit;transition:background .2s var(--ease)}.atelier__summary:hover{background:color-mix(in srgb,var(--gold-200) 55%,transparent)}.atelier[open]>.atelier__summary{background:var(--paper-dim)}.atelier__summary::-webkit-details-marker{display:none}.atelier__num{font-family:var(--font-display);font-size:1.6rem;font-weight:500;color:var(--brick)}.atelier__titles{display:grid;gap:.4rem}.atelier__name{font-family:var(--font-display);font-size:var(--step-2);line-height:1.05}.atelier__badge{display:inline-block;vertical-align:.22em;margin-left:.6rem;font-family:var(--font-sans);font-size:.62rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);background:var(--gold-500);padding:.2rem .5rem;border-radius:3px}.atelier__tag{font-family:var(--font-display);font-style:italic;font-size:1.05rem;color:var(--ink-soft)}.atelier__meta{margin-top:.3rem;font-size:.95rem;color:var(--ink-soft)}.atelier__meta b{font-weight:600;color:var(--petrol-700);white-space:nowrap}.atelier__full{display:inline-block;color:var(--brick);font-weight:600}.atelier__toggle{align-self:center;width:2.2rem;height:2.2rem;display:grid;place-items:center;border:1.5px solid var(--ink);border-radius:50%;transition:background .2s var(--ease),color .2s var(--ease),transform .3s var(--ease)}.atelier__toggle:before{content:"+";font-size:1.2rem;line-height:1}.atelier[open] .atelier__toggle{background:var(--ink);color:var(--paper);transform:rotate(135deg)}.atelier__detail{display:grid;grid-template-columns:3.5rem 1fr;gap:1.5rem;padding-bottom:2rem;animation:reveal-detail .4s var(--ease)}@keyframes reveal-detail{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.atelier__detail-body{grid-column:2;max-width:60ch;display:grid;gap:1rem}.atelier__detail-body p{color:var(--ink-soft)}.atelier__quote{border-left:2px solid var(--gold-500);padding-left:1rem;font-family:var(--font-display);font-style:italic;font-size:1.05rem;color:var(--ink)}.atelier__detail-body ul{padding-left:1.2rem;display:grid;gap:.4rem;color:var(--ink-soft)}.index-list{list-style:none;padding:1.4rem 0 .2rem;margin-top:1.25rem;border-top:1.5px solid var(--ink);display:grid;gap:.15rem 2.5rem}@media (min-width: 720px){.index-list{grid-template-columns:1fr 1fr}}.index-list a{display:flex;align-items:baseline;gap:.7rem;padding:.5rem 0;font-family:var(--font-display);font-size:1.1rem;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line)}.index-list a:before{content:"→";color:var(--brick);font-family:var(--font-sans);transition:transform .2s var(--ease)}.index-list a:hover{color:var(--brick)}.index-list a:hover:before{transform:translate(3px)}.prose{max-width:64ch}.prose>*+*{margin-top:1.1rem}.prose h3{margin-top:2.25rem;font-size:var(--step-1)}.prose ul{padding-left:1.2rem;display:grid;gap:.4rem}.section--petrol .prose a{color:var(--gold-400)}.prose strong,.cta strong{color:var(--gold-400);font-weight:600}.callout{margin-top:1.75rem;padding:1.4rem 1.6rem;background:color-mix(in srgb,var(--petrol-900) 45%,transparent);border-left:3px solid var(--gold-500);border-radius:0 var(--radius) var(--radius) 0}.callout h3{margin-top:0}.callout ul{margin-top:.8rem;padding-left:1.1rem;display:grid;gap:.5rem;font-size:1.02rem}.formateur{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(1.5rem,5vw,4rem);align-items:start}.formateur__portrait{border-radius:var(--radius);filter:grayscale(.15) contrast(1.03);width:100%;aspect-ratio:4 / 5;object-fit:cover;object-position:center top}@media (min-width: 860px){.formateur__portrait{position:sticky;top:5.5rem}}.formateur__body{display:grid;gap:1.25rem}.formateur__creds{list-style:none;padding:0;display:grid;gap:.55rem 1.5rem;font-size:.95rem}@media (min-width: 620px){.formateur__creds{grid-template-columns:1fr 1fr}}.formateur__creds li{padding-left:1.3rem;position:relative}.formateur__creds li:before{content:"—";position:absolute;left:0;color:var(--brick)}.pull-quote{font-family:var(--font-display);font-style:italic;font-size:var(--step-1);line-height:1.4;border-left:3px solid var(--gold-500);padding-left:1.2rem}.cta{display:grid;gap:1.5rem;justify-items:start;max-width:40rem}.cta h2 .accent-italic{color:var(--gold-400)}.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}.reveal.is-visible{opacity:1;transform:none}.to-top{position:fixed;right:clamp(1rem,3vw,2rem);bottom:clamp(1rem,3vw,2rem);z-index:40;width:2.9rem;height:2.9rem;display:grid;place-items:center;font-size:1.1rem;text-decoration:none;color:var(--ink);background:var(--gold-500);border-radius:50%;box-shadow:0 10px 26px -10px #012c3699;opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .25s var(--ease),transform .25s var(--ease)}.to-top.is-shown{opacity:1;transform:none;pointer-events:auto}.to-top:hover{transform:translateY(-2px)}@media (max-width: 860px){.formateur{grid-template-columns:1fr}.atelier__summary{grid-template-columns:2rem 1fr 2.2rem;gap:.6rem .9rem;margin-inline:0;padding-inline:0}.atelier__num{font-size:1.25rem}.atelier__detail{grid-template-columns:1fr}.atelier__detail-body{grid-column:1}}.form-page{padding-block:clamp(2.5rem,6vw,4.5rem) clamp(4rem,10vw,7rem)}.form-intro{max-width:46rem;display:grid;gap:1rem;margin-bottom:2.5rem}.form-intro p{color:var(--ink-soft);font-size:var(--step-1)}.back-link{display:inline-flex;align-items:center;gap:.4rem;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);text-decoration:none;margin-bottom:2rem}.back-link:hover{color:var(--brick)}.inscription-form{display:grid;gap:2.75rem;max-width:46rem}.form-section{display:grid;gap:1.25rem;border:0;padding:1.9rem 0 0;margin:0;border-top:1.5px solid var(--line)}.form-section:first-of-type{border-top:0;padding-top:0}.form-section>legend{display:block;width:100%;font-family:var(--font-display);font-size:var(--step-2);padding:0;margin-bottom:.5rem}.form-section__hint{font-size:.9rem;color:var(--ink-soft);margin-top:-.5rem}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}.field{display:grid;gap:.4rem}.field label{font-size:.88rem;font-weight:600;letter-spacing:.02em}.field label .req{color:var(--brick)}.field input,.field select,.field textarea{font:inherit;font-size:.98rem;padding:.75rem .85rem;color:var(--ink);background:#fff;border:1.5px solid var(--line);border-radius:var(--radius);transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}.field textarea{resize:vertical;min-height:3.2rem}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--petrol-700);box-shadow:0 0 0 3px #01576824}.field--invalid input,.field--invalid select,.field--invalid textarea{border-color:var(--brick)}.field__error{font-size:.82rem;color:var(--brick);min-height:1rem}.checkbox{display:grid;grid-template-columns:auto 1fr;gap:.7rem;align-items:start;font-size:.92rem;line-height:1.5;color:var(--ink-soft)}.checkbox input{width:1.15rem;height:1.15rem;margin-top:.15rem;accent-color:var(--petrol-700)}.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.form-submit{display:flex;flex-wrap:wrap;align-items:center;gap:1rem}.form-status{font-size:.92rem;min-height:1.2rem}.form-status--error{color:var(--brick)}.form-status--ok{color:var(--petrol-600)}.btn[aria-busy=true]{opacity:.7;pointer-events:none}.form-done{display:none;max-width:40rem;padding:2.5rem;background:var(--petrol-700);color:var(--paper);border-radius:var(--radius)}.form-done.is-shown{display:grid;gap:1rem;animation:reveal-detail .45s var(--ease)}.form-done h2,.form-done a{color:var(--gold-400)}@media (max-width: 620px){.field-row{grid-template-columns:1fr}}