/* Layout: tour de contrôle — bandeaux nuit (en-tête, hero radar, navigation aérienne, contact) alternent avec des pages techniques claires (domaines, catalogue, méthode). */
:root{
  /* thème clair — sections de contenu */
  --bg:#F2F5F9;
  --bg-alt:#E8EDF4;
  --surface:#FFFFFF;
  --ink:#0E1B2E;
  --muted:#4F5E73;
  --line:#D3DBE6;
  --heading:#12305E;
  --accent:#1F78B4;
  --media:#FFFFFF;
  /* bandeaux nuit — identiques dans les deux thèmes */
  --band:#0A1628;
  --band-2:#0F2039;
  --band-ink:#E4ECF6;
  --band-muted:#9DB0C8;
  --band-line:#22385A;
  --band-grid:rgba(143,195,234,.07);
  --band-runway:#16263F;
  --band-paint:#E4ECF6;
  --band-red:#E5484D;
  --sky:#8FC9EE;
  --sky-2:#5FB2E6;
  --amber:#F4B223;
  --amber-ink:#1A1300;
  /* typographie */
  --f-display:"Saira Semi Condensed","Arial Narrow",system-ui,sans-serif;
  --f-body:"Source Sans 3","Segoe UI",system-ui,-apple-system,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --s-1:.8125rem; --s0:1.0625rem; --s1:1.25rem; --s2:1.5rem; --s3:2rem; --s4:clamp(2rem,1.3rem + 2.6vw,3.25rem);
  --r:6px;
  --maxw:1200px;
  --head-h:72px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0B1322; --bg-alt:#0E192C; --surface:#122039; --ink:#E3EAF4; --muted:#9AA9BF; --line:#22334E;
    --heading:#CFE3F5; --accent:#6CB8EA; --media:#E9EEF4; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0B1322; --bg-alt:#0E192C; --surface:#122039; --ink:#E3EAF4; --muted:#9AA9BF; --line:#22334E;
  --heading:#CFE3F5; --accent:#6CB8EA; --media:#E9EEF4; color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--head-h) + 12px)}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:var(--s0);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--f-display);line-height:1.12;margin:0;text-wrap:balance;letter-spacing:-.005em}
p{margin:0}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--amber);color:var(--amber-ink);padding:.5rem 1rem;border-radius:var(--r)}
.skip:focus{left:max(16px,env(safe-area-inset-left,0px))}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:2px}

.wrap{max-width:var(--maxw);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}

/* ---------- boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--f-display);font-weight:600;font-size:1.0625rem;letter-spacing:.02em;padding:.8rem 1.35rem;border-radius:var(--r);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,background-color .15s ease,border-color .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-amber{background:var(--amber);color:var(--amber-ink)}
.btn-amber:hover{background:#FFC447}
.btn-ghost{background:transparent;color:var(--band-ink);border-color:var(--band-line)}
.btn-ghost:hover{border-color:var(--sky-2)}

/* ---------- en-tête ---------- */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(10,22,40,.92);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--band-line);color:var(--band-ink)}
.head-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:var(--head-h)}
.brand-logo{height:46px;width:auto}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav a{text-decoration:none;font-family:var(--f-display);font-weight:500;font-size:1rem;letter-spacing:.02em;color:var(--band-muted);transition:color .15s}
.nav a:hover,.nav a.is-active{color:var(--band-ink)}
.nav a.nav-cta{color:var(--amber-ink);background:var(--amber);padding:.5rem .95rem;border-radius:var(--r);font-weight:600}
.nav a.nav-cta:hover{background:#FFC447;color:var(--amber-ink)}
.nav-toggle{display:none;background:none;border:1px solid var(--band-line);border-radius:var(--r);width:44px;height:44px;cursor:pointer;position:relative}
.bars,.bars::before,.bars::after{position:absolute;left:11px;right:11px;height:2px;background:var(--band-ink);transition:transform .2s}
.bars{top:21px}.bars::before{content:"";left:0;right:0;top:-7px}.bars::after{content:"";left:0;right:0;top:7px}
.nav-toggle[aria-expanded="true"] .bars{background:transparent}
.nav-toggle[aria-expanded="true"] .bars::before{transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .bars::after{transform:translateY(-7px) rotate(-45deg)}
@media (max-width:980px){
  .nav-toggle{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--band);border-bottom:1px solid var(--band-line);padding:.5rem max(20px,env(safe-area-inset-right,0px)) 1rem max(20px,env(safe-area-inset-left,0px));display:none}
  .nav.is-open{display:flex}
  .nav a{padding:.85rem 0;border-bottom:1px solid var(--band-line);font-size:1.125rem}
  .nav a.nav-cta{margin-top:.9rem;text-align:center;border-bottom:0}
}

/* ---------- hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 600px at 78% 40%,#12305E 0%,transparent 60%),var(--band);color:var(--band-ink);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--band-grid) 1px,transparent 1px),linear-gradient(90deg,var(--band-grid) 1px,transparent 1px);background-size:40px 40px;mask-image:linear-gradient(180deg,#000 40%,transparent);-webkit-mask-image:linear-gradient(180deg,#000 40%,transparent);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:3rem;align-items:center;padding-block:clamp(3rem,6vw,5.5rem) clamp(3.5rem,6vw,5rem)}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--f-mono);font-size:var(--s-1);letter-spacing:.12em;text-transform:uppercase;color:var(--sky)}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(244,178,35,.18);animation:blink 2.4s ease-in-out infinite}
@keyframes blink{50%{opacity:.35}}
.hero h1{font-size:var(--s4);font-weight:700;margin-top:1.1rem;color:#fff;max-width:20ch}
.lead{margin-top:1.25rem;font-size:var(--s1);line-height:1.55;color:var(--band-muted);max-width:56ch}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}
.hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:2.5rem 0 0;background:var(--band-line);border:1px solid var(--band-line);border-radius:var(--r);overflow:hidden}
.hero-facts div{background:rgba(10,22,40,.85);padding:.9rem 1rem;min-width:0}
.hero-facts dt{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--sky)}
.hero-facts dd{margin:.25rem 0 0;font-size:.98rem;line-height:1.35;color:var(--band-ink)}
.scope{margin:0;position:relative;justify-self:center;width:100%;max-width:520px}
.scope canvas{width:100%;height:auto;aspect-ratio:1;max-width:100%;display:block}
.scope-cap{display:flex;justify-content:space-between;font-size:.75rem;letter-spacing:.08em;color:var(--band-muted);margin-top:.4rem;padding-inline:8%}
.runway{position:relative;display:flex;justify-content:space-between;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px));height:14px;border-top:1px solid var(--band-line);background:var(--band-2);overflow:hidden}
.runway span{width:6px;height:6px;margin-top:4px;border-radius:50%;background:var(--amber);opacity:.25;animation:rw 2.8s linear infinite}
.runway span:nth-child(odd){background:#fff}
@keyframes rw{0%,70%,100%{opacity:.18}8%{opacity:1;box-shadow:0 0 10px var(--amber)}}
.runway span:nth-child(1){animation-delay:0s}.runway span:nth-child(2){animation-delay:.08s}.runway span:nth-child(3){animation-delay:.16s}.runway span:nth-child(4){animation-delay:.24s}.runway span:nth-child(5){animation-delay:.32s}.runway span:nth-child(6){animation-delay:.4s}.runway span:nth-child(7){animation-delay:.48s}.runway span:nth-child(8){animation-delay:.56s}.runway span:nth-child(9){animation-delay:.64s}.runway span:nth-child(10){animation-delay:.72s}.runway span:nth-child(11){animation-delay:.8s}.runway span:nth-child(12){animation-delay:.88s}.runway span:nth-child(13){animation-delay:.96s}.runway span:nth-child(14){animation-delay:1.04s}.runway span:nth-child(15){animation-delay:1.12s}.runway span:nth-child(16){animation-delay:1.2s}.runway span:nth-child(17){animation-delay:1.28s}.runway span:nth-child(18){animation-delay:1.36s}.runway span:nth-child(19){animation-delay:1.44s}.runway span:nth-child(20){animation-delay:1.52s}.runway span:nth-child(21){animation-delay:1.6s}.runway span:nth-child(22){animation-delay:1.68s}.runway span:nth-child(23){animation-delay:1.76s}.runway span:nth-child(24){animation-delay:1.84s}
@media (max-width:900px){
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:2rem}
  .scope{max-width:360px}
  .runway span:nth-child(n+13){display:none}
}
@media (max-width:560px){
  .hero-facts{grid-template-columns:minmax(0,1fr)}
  .scope{max-width:300px}
}

/* ---------- sections ---------- */
.section{padding-block:clamp(4rem,8vw,6.5rem)}
.section-alt{background:var(--bg-alt)}
.sec-head{max-width:720px;margin-bottom:2.75rem}
.sec-head-row{max-width:none;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2rem;align-items:end}
.kicker{font-family:var(--f-mono);font-size:var(--s-1);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:.8rem}
.kicker::before{content:"";display:inline-block;width:18px;height:2px;background:currentColor;vertical-align:middle;margin-right:.6rem;transform:translateY(-2px)}
.sec-head h2,.soc-copy h2{font-size:var(--s3);font-weight:700;color:var(--heading)}
@media (min-width:900px){.sec-head h2,.soc-copy h2{font-size:2.5rem}}
.sec-intro{margin-top:1rem;color:var(--muted);font-size:1.125rem;max-width:62ch}

/* domaines */
.domains{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.domain{background:var(--surface);padding:1.75rem 1.5rem 1.5rem;display:flex;flex-direction:column;gap:.7rem;min-width:0;position:relative;transition:background-color .2s}
.domain:hover{background:var(--bg)}
.d-ico{width:44px;height:44px;color:var(--accent)}
.norm{font-size:.75rem;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-top:.4rem}
.domain h3{font-size:1.45rem;font-weight:700;color:var(--heading)}
.domain p:not(.norm){color:var(--muted);font-size:1rem;line-height:1.55}
.more{margin-top:auto;padding-top:.6rem;font-family:var(--f-display);font-weight:600;color:var(--accent);text-decoration:none;display:inline-flex;align-items:center;gap:.4rem}
.more::after{content:"→";transition:transform .15s}
.more:hover::after{transform:translateX(3px)}
@media (max-width:1020px){.domains{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.domains{grid-template-columns:minmax(0,1fr)}}

/* catalogue */
.filters{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:flex-end;max-width:560px}
.chip{font-family:var(--f-display);font-weight:500;font-size:.98rem;color:var(--ink);background:var(--surface);border:1px solid var(--line);padding:.45rem .85rem;border-radius:999px;cursor:pointer;display:inline-flex;align-items:center;gap:.45rem;transition:border-color .15s,background-color .15s}
.chip:hover{border-color:var(--accent)}
.chip .n{font-size:.75rem;color:var(--muted)}
.chip.is-on{background:var(--heading);border-color:var(--heading);color:var(--bg)}
.chip.is-on .n{color:inherit;opacity:.75}
@media (max-width:860px){.sec-head-row{grid-template-columns:minmax(0,1fr)}.filters{justify-content:flex-start}}

.catalog{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,268px),1fr));gap:1.25rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;min-width:0;transition:border-color .2s,transform .2s,box-shadow .2s}
.card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 10px 30px -18px rgba(14,27,46,.45)}
.card-media{background:var(--media);aspect-ratio:4/3;max-width:100%;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.card-media img{position:absolute;inset:14px;width:calc(100% - 28px);height:calc(100% - 28px);max-width:none;object-fit:contain;mix-blend-mode:multiply}
.card-media.photo img{inset:0;width:100%;height:100%;object-fit:cover;mix-blend-mode:normal}
.card-tag{font-family:var(--f-mono);font-size:.6875rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.card-body{padding:1.1rem 1.15rem 1.2rem;display:flex;flex-direction:column;gap:.55rem;flex:1}
.card h3{font-size:1.25rem;font-weight:700;color:var(--heading)}
.card p{color:var(--muted);font-size:.975rem;line-height:1.5}
.card-specs{list-style:none;margin:.2rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:.35rem}
.card-specs li{font-family:var(--f-mono);font-size:.72rem;color:var(--ink);background:var(--bg);border:1px solid var(--line);padding:.18rem .45rem;border-radius:3px}
.card-btn{margin-top:auto;align-self:flex-start;padding-top:.5rem;background:none;border:0;cursor:pointer;font-family:var(--f-display);font-weight:600;font-size:1rem;color:var(--accent);display:inline-flex;gap:.4rem;align-items:center}
.card-btn::after{content:"→";transition:transform .15s}
.card:hover .card-btn::after{transform:translateX(3px)}
.cat-note{margin-top:2rem;color:var(--muted);font-size:.98rem;max-width:80ch}
.cat-note a{color:var(--accent)}

/* bandeau nuit */
.band{background:var(--band);color:var(--band-ink);position:relative;border-top:1px solid var(--band-line)}
.band .sec-head h2{color:#fff}
.band .sec-intro{color:var(--band-muted)}
.kicker-on-band{color:var(--sky)}

/* navigation aérienne */
.aero{display:grid;grid-template-columns:minmax(0,1fr);gap:2.25rem}
.aero-plan{border:1px solid var(--band-line);border-radius:var(--r);background:var(--band-2);overflow:hidden}
.aero-plan svg{display:block;width:100%;height:auto}
.aero-plan .lights-app circle{fill:var(--amber)}
.aero-plan .lights-edge circle{fill:#fff;opacity:.85}
.aero-plan .rwy{font-family:var(--f-display);font-weight:700;font-size:16px;fill:var(--band-paint);dominant-baseline:middle}
.aero-plan .lbl{font-family:var(--f-mono);font-size:11px;fill:var(--band-muted);text-anchor:middle}
.aero-plan .key circle{fill:var(--amber)}
.aero-plan .key text{font-family:var(--f-mono);font-size:12px;font-weight:600;fill:var(--amber-ink);text-anchor:middle}
.aero-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 2.5rem}
.aero-list li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:1rem;padding:1.1rem 0;border-top:1px solid var(--band-line)}
@media (max-width:900px){.aero-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.aero-list{grid-template-columns:minmax(0,1fr)}}
.aero-list .k{width:26px;height:26px;border-radius:50%;background:var(--amber);color:var(--amber-ink);font-size:.8rem;font-weight:600;display:grid;place-items:center;margin-top:.1rem}
.aero-list h3{font-size:1.15rem;font-weight:600;color:#fff}
.aero-list p{color:var(--band-muted);font-size:.98rem;line-height:1.5;margin-top:.15rem}

/* méthode */
.formula{border:1px solid var(--line);background:var(--surface);border-radius:var(--r);padding:clamp(1.5rem,4vw,2.75rem);margin-bottom:clamp(3.5rem,7vw,5.5rem);display:grid;gap:1rem}
.eq-line{font-family:var(--f-display);font-weight:700;font-size:clamp(1.6rem,1rem + 3.2vw,3.4rem);text-transform:uppercase;letter-spacing:.02em;color:var(--heading);display:flex;flex-wrap:wrap;align-items:baseline;gap:.2em .5em;line-height:1.1}
.eq-line b{color:var(--accent);font-weight:500}
.eq-line .hl{background:linear-gradient(transparent 62%,rgba(244,178,35,.5) 62%)}
.eq-note{color:var(--muted);max-width:70ch;font-size:1.0625rem}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;counter-reset:s}
.steps li{position:relative;padding:1.4rem 1.25rem 0 0;border-top:2px solid var(--line);min-width:0}
.steps li::before{content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--accent)}
.s-n{font-size:.8rem;color:var(--accent);letter-spacing:.08em}
.steps h3{font-size:1.25rem;font-weight:700;color:var(--heading);margin-top:.35rem}
.steps p{color:var(--muted);font-size:.98rem;line-height:1.5;margin-top:.4rem}
@media (max-width:980px){.steps{grid-template-columns:minmax(0,1fr);gap:0}.steps li{border-top:0;border-left:2px solid var(--line);padding:0 0 1.6rem 1.5rem}.steps li::before{top:2px;left:-7px}}

/* société */
.soc-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(2rem,5vw,4.5rem);align-items:start}
.soc-copy p{color:var(--muted);margin-top:1rem;max-width:62ch}
.soc-copy h2{margin-bottom:.4rem}
.poles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin-top:2rem}
.pole{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1rem;min-width:0}
.pole-code{font-size:1.25rem;font-weight:600;color:var(--heading);letter-spacing:.06em}
.pole p{margin-top:.35rem!important;font-size:.92rem;line-height:1.4;color:var(--muted)}
.team{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.5rem;min-width:0}
.team-title{font-family:var(--f-mono);font-weight:500;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.team-table{width:100%;border-collapse:collapse;margin-top:.75rem;font-size:1rem}
.team-table th{font-family:var(--f-mono);font-weight:500;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);text-align:left;padding:.5rem 0;border-bottom:1px solid var(--line)}
.team-table td{padding:.7rem 0;border-bottom:1px solid var(--line);vertical-align:top}
.team-table .num{text-align:right;white-space:nowrap;padding-left:1rem}
.team-table td.num{color:var(--heading);font-weight:500}
.refs{margin-top:1.75rem}
.ref-list{list-style:none;padding:0;margin:.75rem 0 0;display:flex;flex-wrap:wrap;gap:.5rem}
.ref-list li{font-family:var(--f-display);font-weight:600;color:var(--heading);border:1px solid var(--line);border-radius:999px;padding:.35rem .85rem;font-size:.98rem;background:var(--bg)}
@media (max-width:900px){.soc-grid{grid-template-columns:minmax(0,1fr)}}
@media (max-width:520px){.poles{grid-template-columns:minmax(0,1fr)}}

/* contact */
.ct-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(2rem,5vw,4rem);align-items:start}
.ct-info h2{font-size:var(--s3);font-weight:700;color:#fff}
@media (min-width:900px){.ct-info h2{font-size:2.5rem}}
.ct-info .sec-intro{margin-top:.8rem}
.coords{list-style:none;margin:2rem 0 0;padding:0}
.coords li{display:grid;grid-template-columns:88px minmax(0,1fr) auto;gap:.75rem;align-items:baseline;padding:.85rem 0;border-bottom:1px solid var(--band-line)}
.c-l{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--sky)}
.c-v{color:var(--band-ink);text-decoration:none;overflow-wrap:anywhere;font-size:1.05rem}
a.c-v:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.c-a{font-family:var(--f-display);font-weight:600;font-size:.9rem;color:var(--amber);background:none;border:0;padding:0;cursor:pointer;text-decoration:none;white-space:nowrap}
.c-a:hover{text-decoration:underline}
@media (max-width:480px){.coords li{grid-template-columns:minmax(0,1fr) auto}.coords .c-l{grid-column:1/-1}}
.form{background:var(--band-2);border:1px solid var(--band-line);border-radius:var(--r);padding:clamp(1.25rem,3vw,2rem);display:grid;gap:1rem;min-width:0}
.f-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
@media (max-width:560px){.f-row{grid-template-columns:minmax(0,1fr)}}
.f-field{display:grid;gap:.35rem;min-width:0}
.f-field label{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--band-muted)}
.form input,.form select,.form textarea{width:100%;font:inherit;font-size:1rem;color:var(--band-ink);background:var(--band);border:1px solid var(--band-line);border-radius:4px;padding:.7rem .8rem;color-scheme:dark}
.form textarea{resize:vertical;min-height:120px}
.form input::placeholder,.form textarea::placeholder{color:#5F7290}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--sky-2);box-shadow:0 0 0 3px rgba(95,178,230,.2)}
.form [aria-invalid="true"]{border-color:var(--band-red)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.f-foot{display:flex;flex-wrap:wrap;align-items:center;gap:1rem}
.f-status{font-size:.98rem;color:var(--band-muted)}
.f-status.ok{color:#7BD88F}.f-status.err{color:#FF8A8E}
.f-fallback{display:grid;gap:.75rem;border-top:1px solid var(--band-line);padding-top:1rem;color:var(--band-muted);font-size:.98rem}
.f-fallback b{color:var(--band-ink);overflow-wrap:anywhere}
.f-fallback .btn{justify-self:start}
@media (max-width:900px){.ct-grid{grid-template-columns:minmax(0,1fr)}}

/* pied */
.foot{background:#071020;color:var(--band-muted);border-top:1px solid var(--band-line)}
.foot-grid{display:grid;grid-template-columns:auto minmax(0,1fr);gap:1.25rem 3rem;align-items:center;padding-block:2.5rem}
.foot-logo{height:52px;width:auto}
.foot-tag{font-family:var(--f-display);font-style:italic;margin-top:.3rem;color:var(--sky)}
.foot-nav{display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;justify-content:flex-end}
.foot-nav a{text-decoration:none;font-family:var(--f-display);color:var(--band-muted)}
.foot-nav a:hover{color:#fff}
.foot-legal{grid-column:1/-1;font-size:.75rem;letter-spacing:.04em;border-top:1px solid var(--band-line);padding-top:1.25rem;color:#6E819C}
@media (max-width:700px){.foot-grid{grid-template-columns:minmax(0,1fr)}.foot-nav{justify-content:flex-start}}

/* fiche produit */
.sheet{border:0;padding:0;border-radius:10px;max-width:min(920px,calc(100vw - 32px));width:100%;max-height:calc(100dvh - 32px);background:var(--surface);color:var(--ink);box-shadow:0 30px 80px -20px rgba(0,0,0,.6)}
.sheet::backdrop{background:rgba(5,12,24,.72);backdrop-filter:blur(3px)}
.sheet-inner{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);position:relative}
.sheet-media{background:var(--media);display:grid;place-items:center;padding:1.5rem;min-height:280px}
.sheet-media img{max-height:380px;width:auto;object-fit:contain;mix-blend-mode:multiply}
.sheet-media.photo{padding:0}
.sheet-media.photo img{width:100%;height:100%;max-height:none;object-fit:cover;mix-blend-mode:normal}
.sheet-body{padding:2rem 1.75rem 1.75rem;display:grid;gap:.9rem;align-content:start;min-width:0}
.sheet-cat{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.sheet-body h3{font-size:1.85rem;font-weight:700;color:var(--heading)}
.sheet-body > p:not(.sheet-cat){color:var(--muted)}
.sheet-specs{display:grid;grid-template-columns:auto minmax(0,1fr);gap:0 1rem;margin:0;border-top:1px solid var(--line)}
.sheet-specs dt,.sheet-specs dd{padding:.5rem 0;border-bottom:1px solid var(--line);margin:0;font-size:.95rem}
.sheet-specs dt{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding-top:.68rem}
.sheet-specs dd{color:var(--ink);font-variant-numeric:tabular-nums}
.sheet-points{margin:0;padding-left:1.1rem;color:var(--ink);font-size:.98rem;display:grid;gap:.25rem}
.sheet-points li::marker{color:var(--accent)}
.sheet-body .btn{justify-self:start;margin-top:.4rem}
.sheet-x{position:absolute;right:.6rem;top:.6rem;z-index:2;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:1.5rem;line-height:1;cursor:pointer}
@media (max-width:760px){.sheet-inner{grid-template-columns:minmax(0,1fr)}.sheet-media{min-height:200px}.sheet-media img{max-height:240px}.sheet-body{padding:1.4rem 1.2rem}}

/* Respect des éléments masqués par les interactions. */
[hidden]{display:none!important}