/* 440Hz — feuille de style du site (proposition « Fréquence ») */
@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:300 700;font-display:swap;src:url(/assets/fonts/cormorant.woff2) format("woff2")}
@font-face{font-family:"Cormorant Garamond";font-style:italic;font-weight:300 700;font-display:swap;src:url(/assets/fonts/cormorant-italic.woff2) format("woff2")}
@font-face{font-family:Manrope;font-style:normal;font-weight:200 800;font-display:swap;src:url(/assets/fonts/manrope.woff2) format("woff2")}
@font-face{font-family:"Space Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/spacemono.woff2) format("woff2")}
@font-face{font-family:"Space Mono";font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/spacemono-bold.woff2) format("woff2")}

:root{--night:#0A0F1A;--night2:#0E1524;--ivory:#F4F1EA;--blue:#5AA0DC;--cyan:#5FC7D4;--gold:#C9A227;--gold-l:#E2C27A;--ink:#0A0F1A;
 --muted:rgba(244,241,234,.74);--line:rgba(244,241,234,.12);--serif:"Cormorant Garamond",Georgia,serif;--sans:Manrope,system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"Space Mono",ui-monospace,Menlo,monospace;
 --pad:clamp(20px,4vw,56px);--max:1180px;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--night);color:var(--ivory);font-family:var(--sans);font-size:16px;line-height:1.6;overflow-x:hidden}
img,svg{max-width:100%}
a{color:var(--cyan)}a:hover{color:var(--ivory)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ivory);color:var(--ink);padding:10px 14px;border-radius:10px;z-index:50}.skip:focus{left:8px}
.wrap{max-width:var(--max);margin:0 auto}
.mono{font-family:var(--mono)}
.label{margin:0 0 16px;font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.label.gold{color:var(--gold-l)}
h1,h2,h3{font-weight:500;margin:0}
h2.display{font-family:var(--serif);font-size:clamp(38px,5vw,68px);line-height:1.02}
em.gold{color:var(--gold-l)}

/* En-tête */
.site-header{position:sticky;top:0;z-index:20;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding:12px var(--pad);background:rgba(10,15,26,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(244,241,234,.08)}
.logo{display:flex;align-items:center;gap:2px;text-decoration:none;color:var(--ivory);font-family:var(--serif);font-weight:600;font-size:40px;line-height:1}
.logo:hover{color:var(--ivory)}.logo .hz{color:var(--blue);margin-left:2px}.logo svg{margin-top:5px}
.trace{animation:trace .9s linear infinite}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:clamp(10px,1.6vw,24px);font-size:14.5px;font-weight:500}
.nav a{color:rgba(244,241,234,.8);text-decoration:none}.nav a:hover{color:var(--ivory)}
.btn-ghost{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:12px;border:1px solid rgba(244,241,234,.22);color:var(--ivory)!important}
.langs{display:flex;gap:2px;padding:3px;border:1px solid rgba(244,241,234,.16);border-radius:12px;font-family:var(--mono);font-size:12px}
.langs a{display:inline-flex;align-items:center;min-height:36px;padding:0 10px;border-radius:9px;color:rgba(244,241,234,.75)}
.langs a[aria-current="page"]{background:var(--ivory);color:var(--ink)}
.menu-btn{display:none;min-height:44px;padding:0 16px;border-radius:12px;border:1px solid rgba(244,241,234,.22);background:transparent;color:var(--ivory);font:inherit;font-weight:600;cursor:pointer}
@media (max-width:980px){.menu-btn{display:inline-flex;align-items:center}.nav{display:none;width:100%;flex-direction:column;align-items:stretch;gap:0;padding:8px 0}.nav.open{display:flex}.nav a{padding:12px 4px;border-bottom:1px solid rgba(244,241,234,.07)}.nav .btn-ghost{margin-top:10px;justify-content:center}.langs{margin-top:10px;align-self:flex-start}}

/* Accueil */
.hero{position:relative;padding:clamp(72px,10vw,130px) var(--pad) 100px;text-align:center;overflow:hidden}
.sonar{position:absolute;left:50%;top:52%;width:0;height:0;pointer-events:none}
.sonar span{position:absolute;left:-330px;top:-330px;width:660px;height:660px;border-radius:50%;border:2px solid var(--gold);animation:ring 4s ease-out infinite}
.sonar span:nth-child(2){border-color:var(--blue);animation-delay:1s}.sonar span:nth-child(3){animation-delay:2s}.sonar span:nth-child(4){border-color:var(--blue);animation-delay:3s}
.hero .inner{position:relative;max-width:1060px;margin:0 auto}
.hero h1{font-family:var(--serif);font-size:clamp(48px,7.6vw,112px);line-height:.96;letter-spacing:-.02em}
.hero p.lead{margin:28px auto 0;max-width:720px;font-size:clamp(17px,1.5vw,20px);line-height:1.65;color:rgba(244,241,234,.8)}
.ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:38px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border-radius:14px;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;border:0}
.btn-blue{background:var(--blue);color:var(--ink)!important}.btn-blue:hover{background:#7db6e6}
.btn-line{border:1px solid rgba(244,241,234,.24);color:var(--ivory)!important;background:transparent;font-weight:600}
.btn-gold{background:var(--gold);color:var(--ink)!important}.btn-gold:hover{background:var(--gold-l)}
.btn-ink{background:var(--ink);color:var(--ivory)!important}
.btn[disabled]{opacity:.6;cursor:progress}

/* Onglets */
.who{padding:0 var(--pad) 40px}
.tabs{max-width:var(--max);margin:0 auto;border:1px solid var(--line);border-radius:28px;overflow:hidden;background:rgba(10,15,26,.6)}
.tablist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.tablist button{min-height:64px;border:0;background:transparent;color:var(--ivory);font:inherit;font-size:16px;font-weight:700;cursor:pointer;padding:0 12px}
.tablist button[aria-selected="true"]#tab-direct{background:var(--blue);color:var(--ink)}
.tablist button[aria-selected="true"]#tab-mb{background:var(--gold);color:var(--ink)}
.tabpanel{padding:clamp(28px,4vw,52px);display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px}
.tabpanel[hidden]{display:none}
.tabpanel h3{margin:0 0 8px;font-size:18px;font-weight:700}.tabpanel p{margin:0;font-size:15px;color:var(--muted)}

.wave{display:block;width:100%;height:200px;margin-top:-20px}
.wave .w1{animation:wave 5s linear infinite}.wave .w2{animation:wave2 5s linear infinite}

/* Sections */
.section{padding:100px var(--pad)}
.section.top-rule{border-top:1px solid rgba(244,241,234,.08)}
.grid-services{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1px;margin-top:48px;background:rgba(244,241,234,.1);border-radius:24px;overflow:hidden}
.grid-services div{padding:28px;background:var(--night)}
.grid-services .n{font-family:var(--mono);font-size:12px;color:var(--cyan)}.grid-services div:nth-child(even) .n{color:var(--gold-l)}
.grid-services h3{margin:10px 0 6px;font-size:17px;font-weight:700}.grid-services p{margin:0;font-size:14.5px;color:rgba(244,241,234,.7)}
.marquee{border-block:1px solid rgba(244,241,234,.08);padding:26px 0;overflow:hidden;white-space:nowrap}
.marquee div{display:inline-flex;gap:64px;font-family:var(--serif);font-size:56px;color:rgba(244,241,234,.3);animation:marquee 50s linear infinite}
.marquee .g{color:var(--gold-l)}.marquee .b{color:var(--blue)}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:40px;align-items:end}
.two p{margin:0;font-size:17px;line-height:1.75;color:rgba(244,241,234,.78)}
.options{background:var(--night2);border-block:1px solid rgba(244,241,234,.08)}
.opt-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;margin-top:48px}
.opt-card{padding:32px;border-radius:24px}
.opt-card.gold{border:1px solid var(--gold);background:rgba(201,162,39,.06)}.opt-card.blue{border:1px solid rgba(90,160,220,.6);background:rgba(90,160,220,.06)}
.opt-card .tag{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase}.opt-card.gold .tag{color:var(--gold-l)}.opt-card.blue .tag{color:#9FC4E4}
.opt-card h3{margin:12px 0 10px;font-family:var(--serif);font-weight:600;font-size:36px;line-height:1.05}.opt-card p{margin:0;font-size:15.5px;line-height:1.7;color:rgba(244,241,234,.8)}

/* Composer */
.composer{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px;margin-top:48px;align-items:start}
.step{margin:0 0 12px;font-size:14px;font-weight:700;color:rgba(244,241,234,.82)}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:0 0 28px;padding:0;border:0}
.plans legend,.opts legend{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.plan{position:relative;display:block;min-height:104px;padding:16px;border-radius:16px;border:1.5px solid rgba(244,241,234,.16);cursor:pointer}
.plan input{position:absolute;opacity:0;pointer-events:none}
.plan strong{display:block;font-size:15px}.plan .price{display:block;margin-top:4px;font-family:var(--serif);font-size:30px;line-height:1.1}.plan small{font-size:12.5px;color:rgba(244,241,234,.7)}
.plan:has(input:checked){border-color:var(--blue);background:rgba(90,160,220,.14)}.plan:has(input:focus-visible){outline:2px solid var(--cyan);outline-offset:3px}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin:0;padding:0;border:0}
.opt{display:flex;align-items:center;gap:10px;min-height:56px;padding:12px 14px;border-radius:14px;border:1.5px solid rgba(244,241,234,.16);font-size:14.5px;cursor:pointer}
.opt input{width:18px;height:18px;accent-color:var(--gold);flex-shrink:0}
.opt:has(input:checked){border-color:var(--gold);background:rgba(201,162,39,.1)}
.recap{position:relative;padding:32px;border-radius:26px;background:var(--night2);border:1px solid var(--gold);overflow:hidden}
.recap .mini-sonar span{position:absolute;right:-90px;top:-90px;width:220px;height:220px;border-radius:50%;border:2px solid var(--gold);animation:ring 4s ease-out infinite}
.recap .mini-sonar span+span{border-color:var(--blue);animation-delay:1.3s}
.recap>*:not(.mini-sonar){position:relative}
.recap .tag{margin:0;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-l)}
.recap .name{margin:14px 0 0;font-family:var(--serif);font-size:42px;line-height:1}
.recap .per{margin:6px 0 0;font-family:var(--mono);font-size:14px;color:rgba(244,241,234,.8)}
.recap ul{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:8px;font-size:15px;color:rgba(244,241,234,.85)}
.recap .note{margin:22px 0 0;font-size:13.5px;line-height:1.6;color:rgba(244,241,234,.68)}
.recap .btn{width:100%;margin-top:24px}

/* Marque blanche */
.ivory{background:var(--ivory);color:var(--ink)}.ivory .label{color:#2E6E9E}
.ivory ul{margin:0;padding:0;list-style:none;display:grid;gap:14px;font-size:16px;line-height:1.5;color:#2B3242}
.ivory ul li::before{content:"";display:inline-block;width:8px;height:8px;margin-right:12px;border-radius:50%;background:var(--gold);vertical-align:2px}
.oncall{padding:72px var(--pad);text-align:center;border-bottom:1px solid rgba(244,241,234,.08)}
.oncall p.big{margin:0;font-family:var(--serif);font-size:clamp(32px,4vw,52px);line-height:1.1}.oncall p.sub{margin:14px auto 0;max-width:640px;color:rgba(244,241,234,.72)}

/* Formulaires */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:56px}
.addr{margin:24px 0 0;font-size:16px;line-height:1.8;color:rgba(244,241,234,.8)}
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
form.f{display:grid;gap:14px}
.f label{display:grid;gap:6px;font-size:13px;color:rgba(244,241,234,.82)}
.f input,.f textarea{min-height:48px;padding:12px 16px;border-radius:12px;border:1px solid rgba(244,241,234,.22);background:rgba(244,241,234,.04);color:var(--ivory);font:inherit;font-size:16px}
.f textarea{min-height:130px;resize:vertical}
.f input:focus,.f textarea:focus{border-color:var(--cyan);outline:none}
.f .row2{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.f .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.f .legend,.f .rgpd{margin:0;font-size:12.5px;line-height:1.6;color:rgba(244,241,234,.62)}
.status{margin:0;padding:12px 16px;border-radius:12px;font-size:14.5px}
.status.ok{background:rgba(95,199,212,.12);border:1px solid rgba(95,199,212,.5)}.status.err{background:rgba(226,120,100,.12);border:1px solid rgba(226,120,100,.55)}
.status[hidden]{display:none}

/* Paiement & pages légales */
.page{padding:clamp(56px,8vw,100px) var(--pad) 100px}
.page h1{font-family:var(--serif);font-size:clamp(40px,5.6vw,72px);line-height:1;max-width:900px}
.page .lead{max-width:680px;margin:20px 0 0;font-size:17px;color:var(--muted)}
.pay-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px;margin-top:44px;align-items:start}
.recap table{width:100%;border-collapse:collapse;margin-top:18px;font-size:15px}.recap td{padding:10px 0;border-bottom:1px solid rgba(244,241,234,.1)}.recap td:last-child{text-align:right;font-family:var(--mono)}
.recap tr.total td{border-bottom:0;font-weight:700;font-size:17px;color:var(--gold-l)}
.legal{max-width:820px}
.legal .updated{margin:14px 0 0;font-family:var(--mono);font-size:12.5px;color:rgba(244,241,234,.6)}
.legal section{margin-top:40px;padding-top:28px;border-top:1px solid rgba(244,241,234,.1)}
.legal h2{font-family:var(--serif);font-size:30px;line-height:1.15}
.legal p{margin:12px 0 0;color:rgba(244,241,234,.82);line-height:1.75}
.legal-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}

/* Pied de page */
.site-footer{padding:34px var(--pad);border-top:1px solid rgba(244,241,234,.08);display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;font-size:13px;color:rgba(244,241,234,.64)}
.site-footer nav{display:flex;flex-wrap:wrap;gap:18px}

@keyframes trace{from{transform:translateX(0)}to{transform:translateX(-17px)}}
@keyframes ring{0%{transform:scale(.3);opacity:0}15%{opacity:.95}100%{transform:scale(1.7);opacity:0}}
@keyframes wave{from{transform:translateX(0)}to{transform:translateX(-240px)}}
@keyframes wave2{from{transform:translateX(-240px)}to{transform:translateX(0)}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.sonar span:not(:first-child){display:none}.sonar span{opacity:.35;transform:scale(1)}}