:root{
  --chalk:#F6F8F7; --opal:#D3E0DE; --opal-2:#E6EEEC; --sea:#2D5C61; --sea-deep:#1E4246;
  --ink:#18262B; --grey:#5F6F73; --sand:#C9B68A; --line:#C3D1CF; --card:#FFFFFF;
  --focus:#C9922E;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --chalk:#121C1F; --opal:#22383B; --opal-2:#1A2A2D; --sea:#8EC3C4; --sea-deep:#B5DADA;
    --ink:#E6EEEC; --grey:#9DB0B2; --sand:#C9B68A; --line:#2E4649; --card:#172427; --focus:#E3B45A;
  }
}
:root[data-theme="dark"]{
  --chalk:#121C1F; --opal:#22383B; --opal-2:#1A2A2D; --sea:#8EC3C4; --sea-deep:#B5DADA;
  --ink:#E6EEEC; --grey:#9DB0B2; --sand:#C9B68A; --line:#2E4649; --card:#172427; --focus:#E3B45A;
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--chalk);color:var(--ink);
  font-family:"Public Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:1.0625rem;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--sea)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:"Bricolage Grotesque","Public Sans",system-ui,sans-serif;line-height:1.12;margin:0;font-weight:700;letter-spacing:-.01em}
.wrap{width:min(1120px,100% - 2.5rem);margin-inline:auto}
.narrow{max-width:68ch}


/* en-tête */
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--chalk) 92%,transparent);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 0}
.brand{display:flex;flex-direction:column;text-decoration:none;color:var(--ink)}
.brand b{font-family:"Bricolage Grotesque",sans-serif;font-size:1.25rem;font-weight:700;letter-spacing:-.01em}
.brand span{font-size:.8125rem;color:var(--grey)}
nav.main ul{display:flex;gap:1.6rem;list-style:none;margin:0;padding:0;align-items:center}
nav.main a{text-decoration:none;color:var(--ink);font-weight:500;font-size:.975rem;padding:.3rem 0;border-bottom:2px solid transparent}
nav.main a[aria-current="page"]{border-bottom-color:var(--sea)}
.btn{display:inline-block;font:inherit;font-weight:600;text-decoration:none;cursor:pointer;
  padding:.75rem 1.25rem;border-radius:999px;border:2px solid var(--sea);background:var(--sea);color:var(--chalk)}
.btn:hover{background:var(--sea-deep);border-color:var(--sea-deep)}
.btn.ghost{background:transparent;color:var(--sea)}
.btn.ghost:hover{background:var(--opal-2)}
nav.main .btn{padding:.5rem 1rem;color:var(--chalk);border-bottom:2px solid var(--sea)}
.toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:.45rem .7rem;font:inherit;color:var(--ink);cursor:pointer}
@media (max-width:860px){
  .toggle{display:block}
  nav.main{display:none;width:100%}
  nav.main.open{display:block}
  .bar{flex-wrap:wrap}
  nav.main ul{flex-direction:column;align-items:flex-start;gap:.9rem;padding:.5rem 0 1rem}
}

/* accueil : horizon */
.hero{position:relative;background:linear-gradient(180deg,var(--opal-2) 0%,var(--opal) 100%);overflow:hidden}
.hero .wrap{padding:5.5rem 0 0}
.hero h1{font-size:clamp(2.4rem,6.2vw,4.6rem);max-width:15ch}
.hero p.lead{font-size:clamp(1.1rem,2vw,1.3rem);max-width:56ch;margin:1.4rem 0 2rem;color:var(--ink)}
.actions{display:flex;flex-wrap:wrap;gap:.8rem}
.coast{display:block;width:100%;height:auto;margin-top:3.5rem}
.coast .cliff{fill:var(--chalk)}
.coast .sea{fill:var(--sea);opacity:.18}
.coast .horizon{stroke:var(--sea);stroke-width:1.5;opacity:.5}
.since{position:absolute;right:max(1.25rem,calc((100% - 1120px)/2));top:5.8rem;text-align:right;color:var(--sea-deep)}
.since b{display:block;font-family:"Bricolage Grotesque",sans-serif;font-size:clamp(3rem,9vw,7rem);line-height:.9;font-weight:600;opacity:.22}
@media (max-width:860px){.since{display:none}}

section.block{padding:4.5rem 0}
section.block + section.block{border-top:1px solid var(--line)}
.block h2{font-size:clamp(1.7rem,3.4vw,2.4rem);margin-bottom:1.6rem;max-width:22ch}

/* liste services en rangées */
.rows{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}
.rows li{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:1.5rem;padding:1.5rem 0;border-bottom:1px solid var(--line)}
.rows h3{font-size:1.35rem}
.rows p{margin:0;color:var(--grey);max-width:60ch}
.rows .soon{display:inline-block;margin-left:.5rem;font-family:"Public Sans",sans-serif;font-size:.8rem;font-weight:600;color:var(--sea);
  border:1px solid var(--sea);border-radius:999px;padding:.05rem .55rem;vertical-align:middle}
@media (max-width:700px){.rows li{grid-template-columns:1fr;gap:.4rem}}

.proof{background:var(--sea);color:var(--chalk)}
.proof .wrap{display:grid;grid-template-columns:auto 1fr;gap:2.5rem;align-items:start}
.proof .years{font-family:"Bricolage Grotesque",sans-serif;font-size:clamp(4rem,10vw,7.5rem);line-height:.85;font-weight:700}
.proof p{font-size:1.2rem;max-width:55ch;margin:0}
.proof a{color:var(--chalk)}
@media (max-width:700px){.proof .wrap{grid-template-columns:1fr;gap:1rem}}

.works{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem}
.work{background:var(--card);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.work .shot{aspect-ratio:16/10;background:repeating-linear-gradient(135deg,var(--opal-2) 0 12px,var(--opal) 12px 24px);
  display:grid;place-items:center;color:var(--grey);font-size:.9rem}
.work .shot img{display:block;width:100%;height:100%;object-fit:cover;object-position:top}
.work div.meta{padding:1rem 1.1rem}
.work h3{font-size:1.1rem}
.work p{margin:.2rem 0 0;color:var(--grey);font-size:.95rem}
.more{margin-top:1.8rem}

.final{background:var(--opal-2)}
.final h2{max-width:none}
.final p{margin:0 0 1.6rem;font-size:1.15rem}
.todo{background:#F3E3B5;color:#4A3B12;font-size:.85rem;padding:.1rem .4rem;border-radius:4px}

/* pages internes */
.pagehead{background:var(--opal-2);border-bottom:1px solid var(--line)}
.pagehead .wrap{padding:3.8rem 0 3rem}
.pagehead h1{font-size:clamp(2.1rem,5vw,3.4rem);max-width:20ch}
.pagehead p{font-size:1.2rem;max-width:62ch;margin:1.2rem 0 0}
.prose h2{font-size:1.7rem;margin:3rem 0 1rem}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.15rem;margin:1.8rem 0 .4rem}
.prose ul{padding-left:1.2rem}
.prose li{margin:.45rem 0}
.prose li strong{color:var(--sea-deep)}
.notice{border-left:4px solid var(--sand);padding:1rem 1.3rem;background:var(--card);margin-top:1rem}
.signup{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1.6rem;margin:2.5rem 0}
.signup h2{margin-top:0!important;font-size:1.4rem}
form.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;align-items:end;margin-top:1rem}
label{display:flex;flex-direction:column;gap:.35rem;font-weight:500;font-size:.95rem}
input,select,textarea{font:inherit;padding:.65rem .75rem;border:1px solid var(--line);border-radius:6px;background:var(--chalk);color:var(--ink)}
textarea{min-height:9rem;resize:vertical}
.small{font-size:.875rem;color:var(--grey);margin:.9rem 0 0}
.formmsg{margin-top:1rem;font-weight:500;color:var(--sea)}
.contactgrid{display:grid;grid-template-columns:1.4fr 1fr;gap:3rem}
@media (max-width:800px){.contactgrid{grid-template-columns:1fr}}
.contactform{display:grid;gap:1rem}

footer.site{background:var(--ink);color:#D9E3E1;padding:3rem 0 2rem;font-size:.95rem}
:root[data-theme="dark"] footer.site{background:#0C1416}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) footer.site{background:#0C1416}}
footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem}
footer b{display:block;color:#fff;margin-bottom:.4rem}
footer a{color:#D9E3E1}
footer .legal{margin-top:2.5rem;padding-top:1.2rem;border-top:1px solid #34474B;display:flex;flex-wrap:wrap;gap:1.2rem;font-size:.875rem}

.cookiebar{position:fixed;left:1rem;right:1rem;bottom:calc(1rem + env(safe-area-inset-bottom,0px));z-index:50;max-width:560px;margin-inline:auto;
  background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:1.2rem 1.3rem;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.cookiebar p{margin:0 0 1rem;font-size:.95rem}
.cookiebar .actions{gap:.6rem}
.cookiebar .btn{flex:1;text-align:center;padding:.6rem 1rem}
[hidden]{display:none!important}
@media (prefers-reduced-motion:no-preference){
  .hero h1,.hero .lead,.hero .actions{animation:rise .7s ease-out both}
  .hero .lead{animation-delay:.08s}.hero .actions{animation-delay:.16s}
  @keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
}
.brand{flex-direction:row!important;align-items:center;gap:.7rem}
.brand .words{display:flex;flex-direction:column;line-height:1.15}
.brand b{font-size:1.4rem!important}
.mark{width:44px;height:44px;flex:none}
.m-disc{fill:var(--logo-disc)}.m-c{fill:var(--logo-c)}.m-w{fill:none;stroke:var(--logo-c);stroke-width:3.4;stroke-linecap:round;stroke-linejoin:round}

:root{--logo-disc:#1E4246;--logo-c:#F6F8F7}
.flogo{display:flex;align-items:center;gap:.6rem;margin-bottom:.5rem}
.flogo .mark{width:36px;height:36px}
.flogo b{margin:0;font-family:"Bricolage Grotesque",sans-serif;font-size:1.3rem}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--logo-disc:#B5DADA;--logo-c:#121C1F}}
:root[data-theme="dark"]{--logo-disc:#B5DADA;--logo-c:#121C1F}

/* ===== Thèmes proposés ===== */
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace}
.kicker{display:none}

/* --- B. Aurore : dégradés opale → violet, cartes en verre --- */
:root[data-style="aurore"]{
  --chalk:#0E0B1F;--opal:#1A1535;--opal-2:#141029;--sea:#B49CFF;--sea-deep:#DCD0FF;
  --ink:#F1EEFF;--grey:#A9A2C8;--line:rgba(255,255,255,.1);--card:rgba(255,255,255,.05);--focus:#7CF2D8;--sand:#7CF2D8;
  --logo-disc:#1C1640;--logo-c:#F1EEFF;color-scheme:dark}
[data-style="aurore"] body{font-family:"Sora",system-ui,sans-serif;background:#0E0B1F}
[data-style="aurore"] h1,[data-style="aurore"] h2,[data-style="aurore"] h3,[data-style="aurore"] .brand b{font-family:"Sora",sans-serif;font-weight:600;letter-spacing:-.025em}
[data-style="aurore"] header.site{background:rgba(14,11,31,.7);border-bottom-color:rgba(255,255,255,.08)}
[data-style="aurore"] .mark{border-radius:50%;box-shadow:0 0 0 2px rgba(124,242,216,.5),0 0 24px rgba(180,156,255,.5)}
[data-style="aurore"] .hero{background:radial-gradient(ellipse 60% 70% at 15% 20%,rgba(124,242,216,.22),transparent 60%),radial-gradient(ellipse 60% 70% at 85% 30%,rgba(180,156,255,.3),transparent 60%),#0E0B1F}
[data-style="aurore"] .hero h1{background:linear-gradient(100deg,#7CF2D8,#B49CFF 55%,#FFB3E6);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700}
[data-style="aurore"] .kicker{display:inline-block;font-size:.85rem;padding:.3rem .8rem;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);margin-bottom:1.2rem}
[data-style="aurore"] .since b{background:linear-gradient(180deg,#B49CFF,transparent);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.5}
[data-style="aurore"] .coast .cliff{fill:#0E0B1F}[data-style="aurore"] .coast .sea{fill:#B49CFF;opacity:.12}[data-style="aurore"] .coast .horizon{stroke:#7CF2D8;opacity:.6}
[data-style="aurore"] .btn{background:linear-gradient(100deg,#7CF2D8,#B49CFF);border:0;color:#120E2A;padding:.85rem 1.4rem}
[data-style="aurore"] .btn:hover{filter:brightness(1.1)}
[data-style="aurore"] .btn.ghost{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);color:#F1EEFF}
[data-style="aurore"] nav.main .btn{color:#120E2A;padding:.5rem 1rem}
[data-style="aurore"] .rows{border-top:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
[data-style="aurore"] .rows li{display:block;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:1.4rem;backdrop-filter:blur(10px)}
[data-style="aurore"] .rows h3{margin-bottom:.5rem}
[data-style="aurore"] .proof{background:linear-gradient(120deg,rgba(124,242,216,.12),rgba(180,156,255,.18));color:#F1EEFF}
[data-style="aurore"] .proof a{color:#7CF2D8}
[data-style="aurore"] .work{border-radius:16px;border-color:rgba(255,255,255,.1)}
[data-style="aurore"] footer.site{background:#08061400}
[data-style="aurore"] .final,[data-style="aurore"] .pagehead{background:#141029}
[data-style="aurore"] input,[data-style="aurore"] select,[data-style="aurore"] textarea{background:rgba(255,255,255,.04)}


.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.page-msg{font-size:1.15rem}
.contactgrid > div:first-child h2{font-size:1.5rem;margin:2.2rem 0 .8rem}
.contactgrid > div:first-child h2:first-child{margin-top:0}