/* Autodiagnostic infrastructure IA — IT for Business × HPE × NVIDIA (inspiré de la charte HPE) */
:root{
  --navy:#0b111c; --navy-2:#111a29; --navy-3:#1a2436;
  --bg:#f3f5f8; --surface:#ffffff; --ink:#0e1522; --muted:#5d6778; --line:#e2e6ec;
  --accent:#01a982; --accent-2:#00c896; --accent-ink:#04140e; --accent-soft:#e3f6f0;
  --purple:#7630ea; --teal:#0d8bb8;
  --on-dark:#ffffff; --on-dark-muted:#a3aec0; --dark-line:rgba(255,255,255,.12);
  --warn:#c2631a; --warn-soft:#fdf0e5;
  --grad:linear-gradient(90deg,#01a982 0%,#00b5a3 45%,#7630ea 100%);
  --f-display:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --r:16px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%}
[hidden]{display:none!important}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.1;letter-spacing:-.02em}
p{margin:0}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.note{font-size:13px;color:var(--muted)}

/* Boutons (pilules HPE) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--accent);color:#fff;border:1px solid transparent;font:600 15px var(--f-body);padding:13px 24px;border-radius:999px;cursor:pointer;text-decoration:none;justify-self:start;transition:background .2s,transform .2s,box-shadow .2s;white-space:nowrap}
.btn:hover{background:#00b88d;transform:translateY(-1px);box-shadow:0 10px 30px -12px rgba(1,169,130,.7)}
.btn .arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(3px)}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ink);box-shadow:none}
.btn.ghost-dark{background:transparent;color:var(--on-dark);border-color:rgba(255,255,255,.28)}
.btn.ghost-dark:hover{border-color:#fff;background:rgba(255,255,255,.06);box-shadow:none}

/* Navbar sombre, logos blancs */
.brand{position:sticky;top:0;z-index:30;background:rgba(11,17,28,.96);backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--dark-line)}
.brand .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand a{display:flex;align-items:center;line-height:0}
.logo-itfb{height:34px;width:auto}
.brand-right{display:flex;align-items:center;gap:16px}
.brand-right .lbl{font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--on-dark-muted);white-space:nowrap}
.logo-partners{height:26px;width:auto}
@media (max-width:640px){.brand .wrap{height:58px}.brand-right .lbl{display:none}.logo-itfb{height:28px}.logo-partners{height:20px}}
@media (max-width:360px){.logo-itfb{height:24px}.logo-partners{height:17px}}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--navy);color:var(--on-dark);isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:
  radial-gradient(60% 70% at 8% 100%,rgba(1,169,130,.30),transparent 60%),
  radial-gradient(50% 60% at 95% 0%,rgba(118,48,234,.28),transparent 60%),
  radial-gradient(40% 40% at 70% 80%,rgba(13,139,184,.16),transparent 70%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(80% 80% at 70% 40%,#000 20%,transparent 75%);mask-image:radial-gradient(80% 80% at 70% 40%,#000 20%,transparent 75%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center;padding-block:88px 96px}
.hero-copy{display:grid;gap:26px;justify-items:start}
.chip{display:inline-flex;align-items:center;gap:10px;padding:7px 14px 7px 10px;border:1px solid var(--dark-line);border-radius:999px;background:rgba(255,255,255,.04);font-size:13px;font-weight:500;color:#dfe6f0}
.chip .dot{width:8px;height:8px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 4px rgba(0,200,150,.18)}
.hero h1{font-size:clamp(38px,4.9vw,64px);font-weight:500;letter-spacing:-.035em;line-height:1.04;max-width:15ch}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{max-width:54ch;color:var(--on-dark-muted);font-size:18px;line-height:1.65}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px}
.meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:14px;color:#c9d2df}
.meta span{display:inline-flex;align-items:center;gap:8px}
.meta svg{width:16px;height:16px;color:var(--accent-2);flex:none}

/* Carte enjeux (à droite du hero) */
.issues{position:relative;border-radius:22px;padding:28px;background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid var(--dark-line);box-shadow:0 30px 80px -30px rgba(0,0,0,.6);backdrop-filter:blur(8px)}
.issues::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(160deg,rgba(1,169,130,.7),transparent 35%,transparent 65%,rgba(118,48,234,.7));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.issues h2{font-size:21px;font-weight:600;letter-spacing:-.015em;margin-top:10px}
.issues > p{color:var(--on-dark-muted);font-size:14.5px;margin-top:8px}
.issues ul{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:4px}
.issues li{display:grid;grid-template-columns:40px minmax(0,1fr);gap:14px;align-items:center;padding:12px 0;border-top:1px solid var(--dark-line)}
.issues .ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(1,169,130,.14);color:var(--accent-2)}
.issues .ic svg{width:20px;height:20px}
.issues li b{display:block;font-size:15px;font-weight:600}
.issues li span{display:block;font-size:13.5px;color:var(--on-dark-muted);line-height:1.45}
.brandbar{height:4px;background:var(--grad)}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr;gap:40px;padding-block:56px 64px}.hero h1{max-width:16ch}}
@media (max-width:520px){.issues{padding:22px}.hero .lede{font-size:16.5px}.cta-row .btn{width:100%}}

/* Diagnostic */
section{padding-block:96px}
#diagnostic{scroll-margin-top:68px}
.diag{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:64px;align-items:start}
.diag-side{position:sticky;top:100px;display:grid;gap:18px}
.diag-side h2{font-size:clamp(30px,3.4vw,44px);font-weight:500;letter-spacing:-.03em}
.diag-side > p{color:var(--muted);max-width:44ch}
.steps{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:12px;counter-reset:s}
.steps li{counter-increment:s;display:flex;gap:14px;align-items:center;font-size:15px;color:var(--ink)}
.steps li::before{content:counter(s);flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:600;background:var(--surface);border:1px solid var(--line);color:var(--accent)}
.progress{display:grid;gap:10px;margin-top:10px;padding:18px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line)}
.progress-top{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;font-weight:600}
.count{font-variant-numeric:tabular-nums;color:var(--accent)}
.bar{height:6px;background:#e9edf2;border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--grad);border-radius:inherit;transition:width .35s ease}
.qs{display:grid;gap:16px}
fieldset{border:1px solid var(--line);margin:0;padding:26px;border-radius:var(--r);background:var(--surface);display:grid;gap:6px;transition:border-color .2s,box-shadow .2s}
fieldset.done{border-color:rgba(1,169,130,.45);box-shadow:0 12px 30px -22px rgba(1,169,130,.6)}
legend{display:contents}
.qhead{display:flex;gap:14px;align-items:flex-start}
.qn{flex:none;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--muted);background:var(--bg);border-radius:8px;padding:5px 8px;margin-top:2px;transition:background .2s,color .2s}
fieldset.done .qn{background:var(--accent);color:#fff}
.qt{font-size:18px;font-weight:600;line-height:1.35;letter-spacing:-.01em}
.qh{font-size:13px;color:var(--muted);padding-left:50px}
.opts{display:grid;gap:8px;margin-top:12px}
.opt{position:relative;display:flex;gap:12px;align-items:center;padding:13px 16px;border:1px solid var(--line);border-radius:12px;cursor:pointer;background:#fafbfc;font-size:15px;transition:border-color .15s,background .15s}
.opt:hover{border-color:#b9c2ce;background:#fff}
.opt input{appearance:none;-webkit-appearance:none;flex:none;width:20px;height:20px;margin:0;border-radius:50%;border:1.5px solid #b4bdc9;background:#fff;display:grid;place-items:center;transition:border-color .15s}
.opt input::after{content:"";width:10px;height:10px;border-radius:50%;background:var(--accent);transform:scale(0);transition:transform .15s}
.opt input:checked{border-color:var(--accent)}
.opt input:checked::after{transform:scale(1)}
.opt:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.submitrow{display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;margin-top:8px;padding:22px 26px;border-radius:var(--r);background:var(--navy);color:var(--on-dark)}
.submitrow .note{color:var(--on-dark-muted)}
@media (max-width:920px){section{padding-block:64px}.diag{grid-template-columns:1fr;gap:28px}.diag-side{position:static}.progress{position:sticky;top:66px;z-index:5;box-shadow:0 10px 24px -18px rgba(14,21,34,.4)}}
@media (max-width:520px){fieldset{padding:20px}.qh{padding-left:0}.submitrow{padding:18px}.submitrow .btn{width:100%}}

/* Résultat */
#resultat{padding-block:0 96px;scroll-margin-top:84px}
.result{position:relative;overflow:hidden;display:grid;grid-template-columns:260px minmax(0,1fr);gap:48px;align-items:start;padding:48px;border-radius:24px;background:var(--navy);color:var(--on-dark);
  --ink:#fff;--muted:var(--on-dark-muted);--line:rgba(255,255,255,.12);--accent-soft:rgba(1,169,130,.16);--warn:#ffb070;--warn-soft:rgba(255,140,60,.12)}
.result::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(50% 70% at 0% 100%,rgba(1,169,130,.22),transparent 60%),radial-gradient(40% 60% at 100% 0%,rgba(118,48,234,.2),transparent 60%)}
.result > *{position:relative}
@media (max-width:820px){.result{grid-template-columns:1fr;padding:28px 22px;gap:28px}#resultat{padding-bottom:64px}}
.gauge{display:grid;gap:10px;justify-items:center}
.gauge svg{width:100%;max-width:260px;height:auto}
.gauge .lbl{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:center}
.rtext{display:grid;gap:16px;min-width:0}
.rtext .eyebrow{color:var(--accent-2)}
.rtext h2{font-size:clamp(30px,4vw,46px);font-weight:500;letter-spacing:-.03em}
.rtext > p{color:#d5dce7}
.rtext .advice{border-left:3px solid var(--accent-2);padding:4px 0 4px 16px;color:#fff}
.scale{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:13px}
.scale div{padding:12px 14px;color:var(--muted);border-right:1px solid var(--line)}
.scale div:last-child{border-right:0}
.scale div b{display:block;color:var(--ink);font-size:14px;font-weight:600}
.scale div.on{background:var(--accent-soft)}
.scale div.on b{color:var(--accent-2)}
@media (max-width:440px){.scale{grid-template-columns:1fr}.scale div{border-right:0;border-bottom:1px solid var(--line)}}
.flags{display:grid;gap:10px}
.flag{background:var(--warn-soft);border:1px solid rgba(255,160,90,.18);border-radius:12px;padding:12px 16px;display:grid;gap:2px;font-size:14.5px}
.flag b{color:var(--warn);font-size:11.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.sent{display:flex;gap:10px;align-items:center;background:var(--accent-soft);border-radius:12px;padding:12px 16px;font-size:14px}
.result .note{color:var(--muted)}

/* Popup guide + formulaire */
dialog.guide-modal{border:0;padding:0;border-radius:24px;width:min(1040px,calc(100vw - 24px));max-height:calc(100dvh - 24px);background:var(--navy);color:var(--on-dark);box-shadow:0 40px 120px -30px rgba(0,0,0,.7);overflow:auto}
dialog.guide-modal::backdrop{background:rgba(5,9,16,.7);backdrop-filter:blur(6px)}
dialog.guide-modal[open]{animation:pop .3s cubic-bezier(.2,.8,.2,1)}
@keyframes pop{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.modal-close{position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:50%;border:1px solid var(--dark-line);background:rgba(255,255,255,.04);color:#fff;font-size:22px;line-height:1;cursor:pointer;z-index:2}
.modal-close:hover{background:rgba(255,255,255,.1)}
.guide{position:relative;display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:36px;padding:40px;background:radial-gradient(60% 60% at 0% 100%,rgba(1,169,130,.2),transparent 60%),radial-gradient(50% 50% at 100% 0%,rgba(118,48,234,.18),transparent 60%)}
@media (max-width:860px){.guide{grid-template-columns:1fr;padding:26px 16px 16px;gap:22px}.cover{display:none!important}}
.guide .eyebrow{color:var(--accent-2)}
.guide h2{font-size:clamp(28px,3.4vw,40px);font-weight:500;letter-spacing:-.03em}
.gintro{display:grid;gap:18px;align-content:start;padding-right:28px}
.gintro > p{color:var(--on-dark-muted)}
.cover{position:relative;overflow:hidden;border-radius:18px;padding:26px;display:grid;gap:14px;max-width:360px;background:linear-gradient(155deg,#16243a,#0e1626);border:1px solid var(--dark-line);box-shadow:0 30px 60px -30px rgba(0,0,0,.8)}
.cover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:var(--grad)}
.cover .tag{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-2)}
.cover .t{font-size:21px;font-weight:600;line-height:1.2;letter-spacing:-.015em}
.toc{list-style:none;margin:0;padding:0;display:grid;gap:8px;counter-reset:k}
.toc li{counter-increment:k;display:flex;gap:12px;font-size:14.5px;color:#d5dce7}
.toc li::before{content:counter(k,decimal-leading-zero);font-size:12px;font-weight:600;color:var(--accent-2);min-width:1.6em;padding-top:2px}
form.lead{background:var(--surface);color:var(--ink);border-radius:18px;padding:28px;display:grid;gap:14px;min-width:0}
form.lead h3{font-size:22px;font-weight:600}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:480px){.grid2{grid-template-columns:1fr}form.lead{padding:20px}}
.f{display:grid;gap:6px;min-width:0}
.f label{font-size:13px;font-weight:600}
.f input,.f select{font:inherit;font-size:15px;padding:11px 14px;border:1px solid var(--line);border-radius:10px;background:#fafbfc;color:var(--ink);width:100%;transition:border-color .15s,box-shadow .15s}
.f input:focus,.f select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(1,169,130,.15);background:#fff}
.f input[aria-invalid="true"],.f select[aria-invalid="true"]{border-color:var(--warn)}
.err{font-size:12px;color:var(--warn)}
.err:empty{display:none}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;line-height:1.5;color:var(--muted);cursor:pointer}
.chk input{accent-color:var(--accent);margin-top:2px;width:16px;height:16px;flex:none}
.chk.invalid{color:var(--warn)}
.legal{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}
.form-error{background:var(--warn-soft);color:var(--warn);border-radius:10px;padding:10px 12px;font-size:14px}
form.lead .btn{justify-self:stretch}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.thanks{display:grid;gap:14px}
.thanks .ok{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}
.thanks .ok svg{width:26px;height:26px}
.thanks h3{font-size:24px}
.spin{width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

/* Footer */
footer{background:var(--navy);color:var(--on-dark-muted);font-size:13px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-block:28px}
footer a{color:#dfe6f0}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}