/* ==========================================================================
   net'audio SA — design system
   Noir · orange électrique · vocabulaire visuel « face avant de rack »
   ========================================================================== */

/* ---------- Polices auto-hébergées ---------- */
@font-face{font-family:'Archivo';src:url('../fonts/archivo-latin-600-normal.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Archivo';src:url('../fonts/archivo-latin-700-normal.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'Plex';src:url('../fonts/ibm-plex-sans-latin-400-normal.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Plex';src:url('../fonts/ibm-plex-sans-latin-500-normal.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'Plex';src:url('../fonts/ibm-plex-sans-latin-600-normal.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Mono';src:url('../fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Mono';src:url('../fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  --ink:#08090A; --ink-2:#101214; --ink-3:#171A1D; --ink-4:#1E2226;
  --line:#24282C; --line-2:#2E3339; --line-hot:#3A3026;
  --orange:#FF6B00; --orange-hi:#FF8A2B; --orange-dim:rgba(255,107,0,.12);
  --paper:#F2F3F5; --muted:#8A9099; --muted-2:#666D75;
  --ok:#3ECF8E;
  --r:3px;
  --wrap:1220px;
  --pad:clamp(20px,5vw,40px);
  --sect:clamp(64px,9vw,116px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;color-scheme:dark}
[id]{scroll-margin-top:104px}
body{
  background:var(--ink);color:var(--paper);
  font-family:'Plex',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;line-height:1.62;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:2px}
::selection{background:var(--orange);color:#000}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}

/* ---------- Typographie ---------- */
h1,h2,h3,h4{font-family:'Archivo',Impact,sans-serif;font-weight:700;line-height:1.05;letter-spacing:-.022em}
h1{font-size:clamp(2.1rem,5.2vw,3.9rem)}
h2{font-size:clamp(1.65rem,3.6vw,2.7rem)}
h3{font-size:clamp(1.15rem,2vw,1.5rem);letter-spacing:-.014em}
h4{font-size:1.02rem;font-weight:600;letter-spacing:-.008em}
p{max-width:66ch}
strong{font-weight:600;color:#fff}

.eyebrow{
  max-width:none;
  font-family:'Mono',monospace;font-size:.68rem;font-weight:500;flex-wrap:wrap;row-gap:.3rem;
  letter-spacing:.2em;text-transform:uppercase;color:var(--orange);
  display:flex;align-items:center;gap:.7rem;margin-bottom:1.1rem;
}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--line);max-width:120px}
.eyebrow.center{justify-content:center}
.eyebrow.center::after{display:none}
.lead{font-size:clamp(1.02rem,1.5vw,1.17rem);color:#C9CED4;line-height:1.6}
.mut{color:var(--muted)}
.num{font-family:'Mono',monospace;font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.small{font-size:.86rem}
.xs{font-size:.76rem}

/* ---------- Layout ---------- */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.wrap-n{max-width:900px;margin-inline:auto;padding-inline:var(--pad)}
section{padding-block:var(--sect)}
.sect-tight{padding-block:clamp(44px,6vw,72px)}
.grid{display:grid;gap:clamp(16px,2.2vw,26px)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:940px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.rule{height:1px;background:var(--line);border:0}
.skip{position:absolute;left:-9999px;top:0;background:var(--orange);color:#000;padding:.8rem 1.3rem;z-index:200;font-weight:600}
.skip:focus{left:8px;top:8px}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  min-height:52px;padding:.85rem 1.7rem;border:1px solid var(--line-2);
  background:transparent;color:var(--paper);border-radius:var(--r);
  font-size:.88rem;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);
  text-align:center;
}
.btn:hover{border-color:var(--orange);color:#fff}
.btn-p{background:var(--orange);border-color:var(--orange);color:#0A0500;font-weight:600}
.btn-p:hover{background:var(--orange-hi);border-color:var(--orange-hi);color:#0A0500}
.btn-sm{min-height:42px;padding:.5rem 1.1rem;font-size:.8rem}
.btn-lg{min-height:58px;padding:1rem 2.1rem;font-size:.95rem}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.btn-row{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.9rem}

/* ---------- Barre de contact permanente ---------- */
.topbar{
  background:var(--ink-2);border-bottom:1px solid var(--line);
  font-family:'Mono',monospace;font-size:.74rem;letter-spacing:.03em;
}
.topbar .wrap{display:flex;gap:1.4rem;align-items:center;justify-content:space-between;min-height:38px;flex-wrap:wrap}
.topbar a{color:var(--muted);display:inline-flex;align-items:center;gap:.4rem;transition:color .16s}
.topbar a:hover{color:var(--orange)}
.topbar .hot{color:var(--paper)}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);flex-shrink:0}
@media(max-width:700px){.topbar .hide-s{display:none}}

/* ---------- Navigation ---------- */
header.nav{position:sticky;top:0;z-index:90;background:rgba(8,9,10,.93);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad);display:flex;align-items:center;justify-content:space-between;min-height:70px;gap:1.4rem}
.brand{display:flex;align-items:center;gap:.75rem;flex-shrink:0}
.brand img{width:132px}
.nav-links{display:flex;gap:.15rem;align-items:center}
.nav-links a{
  font-size:.88rem;font-weight:500;color:#C9CED4;padding:.55rem .85rem;border-radius:var(--r);
  transition:color .16s,background .16s;position:relative;
}
.nav-links a:hover{color:#fff;background:var(--ink-3)}
.nav-links a[aria-current="page"]{color:var(--orange)}
.nav-cta{display:flex;gap:.6rem;align-items:center;flex-shrink:0}
.burger{display:none;background:none;border:1px solid var(--line-2);border-radius:var(--r);width:46px;height:46px;align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:19px;height:2px;background:var(--paper);position:relative;transition:background .2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:19px;height:2px;background:var(--paper);transition:transform .24s var(--ease)}
.burger span::before{top:-6px}.burger span::after{top:6px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
@media(max-width:1050px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--ink-2);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:.7rem var(--pad) 1.3rem;gap:0}
  .nav-links.open{display:flex}
  .nav-links a{padding:.95rem .5rem;border-bottom:1px solid var(--line);font-size:1rem}
  .burger{display:flex}
  .nav-cta .btn-hide{display:none}
}
@media(max-width:520px){
  .nav-cta .btn{padding:.5rem .8rem;font-size:.76rem}
  .brand img{width:104px}
  .nav-in{min-height:62px;gap:.6rem}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.34;filter:grayscale(.35)}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,9,10,.92) 0%,rgba(8,9,10,.72) 38%,rgba(8,9,10,.97) 100%);
}
.hero-in{padding-block:clamp(64px,9vw,108px);position:relative}
.hero h1{max-width:17ch;margin-bottom:1.35rem}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .lead{max-width:60ch}
/* filets tracés au chargement — séquence unique du site */
.hero-rules{position:absolute;inset:0;z-index:-1;pointer-events:none}
.hero-rules i{position:absolute;left:0;height:1px;background:linear-gradient(90deg,rgba(255,107,0,.28),transparent);transform-origin:left;transform:scaleX(0);animation:rule .7s var(--ease) forwards}
.hero-rules i:nth-child(1){top:8%;width:38%;animation-delay:.05s}
.hero-rules i:nth-child(2){top:92%;width:60%;animation-delay:.13s}
.hero-rules i:nth-child(3){bottom:0;width:100%;animation-delay:.2s;background:linear-gradient(90deg,var(--orange),transparent)}
@keyframes rule{to{transform:scaleX(1)}}

/* ---------- Bandeau de preuves ---------- */
.facts{border-block:1px solid var(--line);background:var(--ink-2)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.fact{padding:1.6rem 1.3rem;border-right:1px solid var(--line)}
.fact:last-child{border-right:0}
.fact b{display:block;font-family:'Mono',monospace;font-size:1.55rem;font-weight:500;color:var(--orange);line-height:1.1}
.fact span{display:block;font-size:.79rem;color:var(--muted);margin-top:.3rem;line-height:1.45}
@media(max-width:820px){
  .facts .wrap{grid-template-columns:repeat(2,1fr)}
  .fact{border-bottom:1px solid var(--line)}
  .fact:nth-child(2n){border-right:0}
}

/* ---------- Carte « panneau de rack » ---------- */
.card{
  background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r);
  padding:1.6rem;transition:border-color .2s var(--ease),background .2s var(--ease);
  display:flex;flex-direction:column;position:relative;
}
.card:hover,.card:focus-within{border-color:var(--line-2);background:var(--ink-3)}
a.card:hover{border-color:var(--orange)}
.card h3{margin-bottom:.55rem}
.card p{font-size:.92rem;color:var(--muted);flex:1}
.card .tag{font-family:'Mono',monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:.9rem;display:block}
.card-media{margin:-1.6rem -1.6rem 1.3rem;border-radius:var(--r) var(--r) 0 0;overflow:hidden;aspect-ratio:16/10;background:var(--ink-3)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-more{margin-top:1.2rem;font-size:.84rem;font-weight:600;color:var(--orange);display:inline-flex;align-items:center;gap:.4rem}

/* ---------- Ligne de parc (signature) ---------- */
.parc{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--ink-2)}
.parc-row{
  display:grid;grid-template-columns:auto 1fr auto;gap:1rem;align-items:center;
  padding:1.05rem 1.3rem;border-bottom:1px solid var(--line);transition:background .16s;
}
.parc-row:last-child{border-bottom:0}
.parc-row:hover{background:var(--ink-3)}
.pip{width:8px;height:8px;border-radius:50%;background:var(--orange);flex-shrink:0}
.pip.req{background:transparent;border:1.5px solid var(--muted-2)}
.parc-name{font-weight:600;font-size:.96rem}
.parc-meta{font-family:'Mono',monospace;font-size:.74rem;color:var(--muted);margin-top:.2rem;letter-spacing:.02em}
.parc-qty{font-family:'Mono',monospace;font-size:.82rem;color:var(--muted);white-space:nowrap}
.parc-qty b{color:var(--paper);font-weight:500}

/* ---------- Toggles de composition (inspiré du parcours Tokay) ---------- */
.opts{display:grid;gap:.75rem;margin-top:1.5rem}
.opt{
  display:flex;align-items:center;gap:1rem;padding:.95rem 1.15rem;
  background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r);
  cursor:pointer;user-select:none;transition:border-color .2s var(--ease),background .2s var(--ease);
  text-align:left;width:100%;
}
.opt:hover{border-color:var(--line-2);background:var(--ink-3)}
.opt[aria-pressed="true"]{border-color:var(--orange);background:var(--orange-dim)}
.opt-thumb{width:56px;height:56px;border-radius:2px;object-fit:cover;flex-shrink:0;background:var(--ink-4)}
.opt-txt{flex:1;min-width:0}
.opt-txt b{display:block;font-size:.94rem;font-weight:600;line-height:1.3}
.opt-txt span{display:block;font-size:.8rem;color:var(--muted);margin-top:.15rem;line-height:1.45}
.opt-price{font-family:'Mono',monospace;font-size:.85rem;color:var(--muted);white-space:nowrap}
.opt[aria-pressed="true"] .opt-price{color:var(--orange)}
.sw{width:42px;height:24px;border-radius:99px;background:var(--ink-4);border:1px solid var(--line-2);position:relative;flex-shrink:0;transition:background .22s var(--ease),border-color .22s}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:var(--muted);transition:transform .22s var(--ease),background .22s}
.opt[aria-pressed="true"] .sw{background:var(--orange);border-color:var(--orange)}
.opt[aria-pressed="true"] .sw::after{transform:translateX(18px);background:#0A0500}

/* segmented control */
.seg{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem}
.seg button{
  padding:.62rem 1.15rem;border:1px solid var(--line);background:var(--ink-2);
  border-radius:99px;font-size:.84rem;font-weight:500;cursor:pointer;min-height:44px;
  transition:all .18s var(--ease);
}
.seg button:hover{border-color:var(--line-2)}
.seg button[aria-pressed="true"]{background:var(--orange);border-color:var(--orange);color:#0A0500;font-weight:600}

.field{margin-bottom:1.15rem}
.field label{display:block;font-size:.83rem;font-weight:600;margin-bottom:.42rem}
.field .hint{font-size:.78rem;color:var(--muted);font-weight:400;margin-top:.3rem}
.field input,.field select,.field textarea{
  width:100%;padding:.85rem 1rem;background:var(--ink-2);border:1px solid var(--line);
  border-radius:var(--r);font-size:.95rem;min-height:52px;transition:border-color .16s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--orange);outline:none}
.field textarea{min-height:130px;resize:vertical;line-height:1.6}
.field.req label::after{content:" *";color:var(--orange)}
.hp{position:absolute!important;left:-9999px!important;opacity:0;height:0;overflow:hidden}
.check{display:flex;gap:.7rem;align-items:flex-start;font-size:.85rem;color:var(--muted);line-height:1.5;cursor:pointer}
.check input{width:19px;height:19px;min-height:0;flex-shrink:0;margin-top:.15rem;accent-color:var(--orange)}

/* ---------- Calculateur ---------- */
.calc{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.calc-head{padding:1.5rem 1.7rem;border-bottom:1px solid var(--line);background:var(--ink-3)}
.calc-body{padding:1.7rem}
.calc-step{margin-bottom:2.1rem}
.calc-step:last-child{margin-bottom:0}
.calc-step > h3{display:flex;align-items:baseline;gap:.7rem;font-size:1.06rem}
.calc-step > h3 .n{font-family:'Mono',monospace;font-size:.74rem;color:var(--orange);font-weight:500}
.calc-total{
  position:sticky;bottom:0;background:var(--ink-3);border-top:1px solid var(--line);
  padding:1.35rem 1.7rem;display:flex;align-items:center;justify-content:space-between;gap:1.2rem;flex-wrap:wrap;
}
.calc-total .amt{font-family:'Mono',monospace;font-size:1.85rem;font-weight:500;color:var(--orange);line-height:1}
.calc-total .lbl{font-size:.76rem;color:var(--muted);margin-top:.25rem}
.estim{
  display:flex;gap:.7rem;align-items:flex-start;padding:.9rem 1.1rem;margin-top:1.2rem;
  background:var(--orange-dim);border:1px solid var(--line-hot);border-radius:var(--r);
  font-size:.83rem;color:#D8C0A8;line-height:1.55;
}
.estim svg{flex-shrink:0;margin-top:.15rem}

/* ---------- Barre load-out ---------- */
.loadout{
  position:fixed;left:0;right:0;bottom:0;z-index:80;background:var(--ink-3);
  border-top:1px solid var(--orange);transform:translateY(105%);transition:transform .3s var(--ease);
}
.loadout.show{transform:translateY(0)}
.loadout .wrap{display:flex;align-items:center;justify-content:space-between;gap:1.2rem;padding-block:.9rem;flex-wrap:wrap}
.loadout-txt{font-family:'Mono',monospace;font-size:.82rem;color:var(--muted)}
.loadout-txt b{color:var(--paper);font-weight:500}

/* ---------- Tableaux ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th,.tbl td{padding:.85rem 1rem;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500;font-family:'Mono',monospace}
.tbl td.n{font-family:'Mono',monospace;text-align:right;white-space:nowrap}
.tbl-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  padding:1.25rem 2.6rem 1.25rem 0;cursor:pointer;list-style:none;position:relative;
  font-weight:600;font-size:1rem;line-height:1.45;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:.6rem;top:1.6rem;width:9px;height:9px;
  border-right:1.5px solid var(--orange);border-bottom:1.5px solid var(--orange);
  transform:rotate(45deg);transition:transform .22s var(--ease);
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .ans{padding:0 0 1.4rem;color:var(--muted);font-size:.93rem}
.faq .ans p+p{margin-top:.8rem}

/* ---------- Partenaires ---------- */
.logos{display:flex;flex-wrap:wrap;gap:.6rem}
.logos li{
  list-style:none;padding:.62rem 1.1rem;border:1px solid var(--line);border-radius:99px;
  font-size:.85rem;color:#C9CED4;background:var(--ink-2);
}
.logos li.hi{border-color:var(--line-hot);color:var(--paper)}

/* ---------- Bandeaux ---------- */
.band{background:var(--ink-2);border-block:1px solid var(--line)}
.cta-band{text-align:center}
.cta-band h2{max-width:20ch;margin-inline:auto}
.cta-band p{margin-inline:auto;margin-top:1rem}
.cta-band .btn-row{justify-content:center}

/* ---------- Fil d'Ariane ---------- */
.crumb{font-family:'Mono',monospace;font-size:.74rem;color:var(--muted-2);padding-block:1.1rem;border-bottom:1px solid var(--line)}
.crumb a:hover{color:var(--orange)}
.crumb span{margin-inline:.45rem;opacity:.5}

/* ---------- Pied de page ---------- */
footer{background:var(--ink-2);border-top:1px solid var(--line);padding-block:clamp(44px,6vw,68px) 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:2.4rem}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}
footer h4{font-family:'Mono',monospace;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:1rem}
footer ul{list-style:none;display:grid;gap:.55rem}
footer a{font-size:.9rem;color:#C9CED4;transition:color .16s}
footer a:hover{color:var(--orange)}
footer address{font-style:normal;font-size:.9rem;color:#C9CED4;line-height:1.75}
.foot-bar{margin-top:2.8rem;padding-block:1.4rem;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.79rem;color:var(--muted-2)}
.hours{font-family:'Mono',monospace;font-size:.8rem;display:grid;gap:.3rem}
.hours div{display:flex;justify-content:space-between;gap:1rem;max-width:230px;color:var(--muted)}
.hours b{color:#C9CED4;font-weight:400}

/* ---------- Divers ---------- */
.note{padding:1.1rem 1.3rem;background:var(--ink-2);border-left:2px solid var(--orange);border-radius:0 var(--r) var(--r) 0;font-size:.9rem;color:#C9CED4}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.toast{position:fixed;left:50%;bottom:88px;transform:translate(-50%,14px);background:var(--paper);color:var(--ink);padding:.85rem 1.4rem;border-radius:var(--r);font-size:.88rem;font-weight:500;z-index:120;opacity:0;pointer-events:none;transition:opacity .24s,transform .24s var(--ease);max-width:88vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
.media-full{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:var(--r);border:1px solid var(--line)}
@media(max-width:700px){.media-full{aspect-ratio:16/10}}

/* décalage d'ancre sous l'en-tête collant */
[id]{scroll-margin-top:88px}