/* ---------- Tokens ---------- */
:root{
  --bg:#0a0a0b;
  --surface:#121215;
  --surface-2:#18181d;
  --line:#26262d;
  --text:#f3f3f5;
  --muted:#a3a3ae;
  --accent:#ff8a1f;
  --accent-2:#ffb347;
  --accent-ink:#1a0e00;
  --good:#4ade80;
  --radius:1rem;
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:dark;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5rem}
body{margin:0;background:var(--bg);color:var(--text);font:400 1rem/1.65 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
svg{display:block}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:.4rem}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

/* ---------- Layout ---------- */
.wrap{width:min(100% - 2rem,72rem);margin-inline:auto}
.narrow{width:min(100% - 2rem,48rem)}
.section{padding-block:clamp(4rem,9vw,7.5rem)}
.section.alt{background:linear-gradient(180deg,var(--surface),var(--bg));border-block:1px solid var(--line)}
.skip{position:absolute;left:1rem;top:-4rem;background:var(--accent);color:var(--accent-ink);padding:.6rem 1rem;border-radius:.5rem;z-index:100;font-weight:600}
.skip:focus{top:1rem}

/* ---------- Typography ---------- */
h1{font-size:clamp(2.4rem,6.2vw,4.4rem);line-height:1.04;letter-spacing:-.035em;font-weight:800;text-wrap:balance}
h2{font-size:clamp(1.8rem,4vw,2.75rem);line-height:1.12;letter-spacing:-.03em;font-weight:750;text-wrap:balance}
h3{font-size:1.15rem;line-height:1.3;letter-spacing:-.01em;font-weight:650}
.grad{background:linear-gradient(95deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.kicker{color:var(--accent);font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.9rem}
.lead{font-size:clamp(1.1rem,2vw,1.3rem);color:#d6d6dc;max-width:38rem;text-wrap:pretty}
.body-lg{font-size:1.1rem;color:#d0d0d7;max-width:40rem}
.body-lg+.body-lg{margin-top:1.1rem}
.body-lg strong{color:var(--text)}
.sec-head{margin-bottom:clamp(2rem,5vw,3.5rem);max-width:44rem}

/* ---------- Icons ---------- */
.ico,.ico-lg,.feat-ico svg,.brand-mark svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ico{width:1.15em;height:1.15em;flex:none}
.ico-lg{width:2rem;height:2rem;color:var(--accent);margin-bottom:1.1rem}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,10,11,.78);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid rgba(38,38,45,.7)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:4rem}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:750;letter-spacing:-.01em}
.brand-mark{display:grid;place-items:center;width:2rem;height:2rem;border-radius:.6rem;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:var(--accent-ink)}
.brand-mark svg{width:1.15rem;height:1.15rem;stroke-width:2.4}
.nav{display:none;gap:1.75rem;color:var(--muted);font-size:.95rem}
.nav a{transition:color .2s}
.nav a:hover{color:var(--text)}
@media (min-width:820px){.nav{display:flex}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:.8rem 1.35rem;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:1rem;line-height:1.2;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s;box-shadow:0 8px 28px -10px rgba(255,138,31,.7)}
.btn:hover{transform:translateY(-2px);background:var(--accent-2);box-shadow:0 14px 34px -10px rgba(255,138,31,.75)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line);box-shadow:none}
.btn-ghost:hover{background:var(--surface-2);border-color:#3a3a44;box-shadow:none}
.btn-sm{padding:.55rem 1.05rem;font-size:.9rem}
.btn-lg{padding:1rem 1.7rem;font-size:1.05rem}
.cta-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}
.cta-row.center{justify-content:center}
@media (max-width:420px){.cta-row .btn{width:100%}}

/* ---------- Hero ---------- */
.hero{position:relative;padding-top:clamp(3rem,7vw,6rem);overflow:hidden;background:
  radial-gradient(60rem 30rem at 85% -10%,rgba(255,138,31,.16),transparent 60%),
  radial-gradient(40rem 24rem at -10% 20%,rgba(255,138,31,.07),transparent 60%)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.22;-webkit-mask-image:radial-gradient(70% 70% at 50% 0%,#000,transparent);mask-image:radial-gradient(70% 70% at 50% 0%,#000,transparent);pointer-events:none}
.hero-grid{position:relative;display:grid;gap:3rem;align-items:center}
@media (min-width:960px){.hero-grid{grid-template-columns:1.15fr .85fr;gap:4rem}}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .85rem;border:1px solid var(--line);border-radius:999px;background:rgba(18,18,21,.7);color:#d6d6dc;font-size:.85rem;margin-bottom:1.5rem}
.eyebrow .ico{color:var(--accent)}
.hero h1{margin-bottom:1.4rem}
.tagline{margin-top:1.1rem;color:var(--accent);font-weight:600}

/* Portrait + deliverable overlap */
.hero-visual{position:relative;isolation:isolate;width:100%;max-width:26rem;margin-inline:auto}
.hero-visual::before{content:"";position:absolute;inset:6% -10% -6%;z-index:-1;background:radial-gradient(closest-side,rgba(255,138,31,.38),transparent);filter:blur(36px)}
.portrait-wrap{position:relative;border-radius:1.5rem;overflow:hidden;border:1px solid rgba(255,255,255,.12);box-shadow:0 30px 80px -30px rgba(0,0,0,.9),0 0 0 6px rgba(255,138,31,.08)}
.portrait{display:block;width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;filter:brightness(1.12) contrast(1.04) saturate(1.06)}
.chip{position:absolute;display:flex;align-items:center;gap:.45rem;margin:0;padding:.5rem .9rem;border-radius:999px;background:rgba(18,18,21,.8);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--line);font-size:.85rem;line-height:1.2;color:#e6e6ea;white-space:nowrap}
.chip .ico{color:var(--accent)}
.chip strong{color:var(--accent);font-size:1rem}
.chip-loc{top:1rem;left:1rem}
.chip-stat{top:3.6rem;right:.9rem}
.hero-visual .deliverable{margin:1rem 0 0;transform:none}
.hero-visual .dl-list li:nth-child(n+3),.hero-visual .dl-foot{display:none}
.hero-visual .dl-list{margin:.6rem 0 0}
.chip-stat{display:none}
@media (min-width:960px){.chip-stat{display:flex;right:-1.25rem;top:4.5rem}}

/* Deliverable mock */
.deliverable{background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:1.25rem;padding:1.25rem;box-shadow:0 30px 80px -30px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.02) inset;transform:rotate(1.2deg)}
.dl-head,.dl-foot{display:flex;justify-content:space-between;align-items:center;gap:1rem;font-size:.8rem;color:var(--muted)}
.dl-head span{color:var(--text);font-weight:650;font-size:.95rem}
.dl-head em{font-style:normal;padding:.2rem .6rem;border:1px dashed #3a3a44;border-radius:999px}
.dl-list{margin:1rem 0}
.dl-list li{display:grid;grid-template-columns:auto 1fr auto;grid-template-areas:"n t tag" "n eff eff";gap:.35rem .8rem;align-items:center;padding:.85rem .2rem;border-top:1px solid var(--line)}
.dl-n{grid-area:n;display:grid;place-items:center;width:1.7rem;height:1.7rem;border-radius:.5rem;background:rgba(255,138,31,.14);color:var(--accent);font-weight:700;font-size:.85rem}
.dl-t{grid-area:t;font-weight:550;font-size:.95rem;line-height:1.35}
.tag{grid-area:tag;font-size:.7rem;font-weight:700;padding:.2rem .55rem;border-radius:999px;white-space:nowrap}
.tag.hi{background:rgba(74,222,128,.13);color:var(--good)}
.tag.md{background:rgba(255,179,71,.13);color:var(--accent-2)}
.eff{grid-area:eff;height:4px;border-radius:4px;background:var(--line);position:relative;overflow:hidden}
.eff::after{content:"";position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:4px}
.e1::after{width:25%}.e2::after{width:55%}.e3::after{width:80%}
.legend i{display:inline-block;width:1.2rem;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--accent),var(--accent-2));vertical-align:middle;margin-right:.3rem}

/* Stats */
.stats{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin-top:clamp(3rem,7vw,5rem);background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stats li{background:var(--surface);padding:1.4rem 1.25rem;display:flex;flex-direction:column;gap:.15rem}
.stats strong{font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.03em;line-height:1.1}
.stats span{color:var(--muted);font-size:.9rem}
@media (min-width:760px){.stats{grid-template-columns:repeat(4,1fr)}}

/* ---------- Grids & cards ---------- */
.grid{display:grid;gap:1rem}
@media (min-width:640px){.g4{grid-template-columns:repeat(2,1fr)}.g2{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1040px){.g4{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;transition:border-color .25s,transform .25s,background .25s}
.card:hover{border-color:rgba(255,138,31,.5);transform:translateY(-3px);background:var(--surface-2)}
.card h3{margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.97rem}

.feat{display:flex;gap:1.1rem;align-items:flex-start;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;transition:border-color .25s}
.feat:hover{border-color:rgba(255,138,31,.5)}
.feat-ico{flex:none;display:grid;place-items:center;width:2.9rem;height:2.9rem;border-radius:.8rem;background:rgba(255,138,31,.12);color:var(--accent)}
.feat-ico svg{width:1.5rem;height:1.5rem}
.feat h3{margin-bottom:.4rem}
.feat p{color:var(--muted);font-size:.97rem}

/* ---------- Steps ---------- */
.steps{display:grid;gap:1rem;counter-reset:s}
@media (min-width:700px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1040px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{position:relative;padding:1.6rem 1.4rem 1.5rem;border-top:2px solid var(--line);background:linear-gradient(180deg,var(--surface),transparent)}
.steps li::before{content:"";position:absolute;left:0;top:-2px;width:3rem;height:2px;background:var(--accent)}
.step-n{display:block;font-size:.85rem;font-weight:700;color:var(--accent);letter-spacing:.1em;margin-bottom:.8rem}
.steps h3{margin-bottom:.45rem}
.steps p{color:var(--muted);font-size:.97rem}

.callout{margin-top:clamp(2.5rem,6vw,4rem);display:grid;gap:1.25rem;padding:clamp(1.5rem,4vw,2.5rem);border:1px solid rgba(255,138,31,.35);border-radius:1.25rem;background:radial-gradient(40rem 14rem at 0% 0%,rgba(255,138,31,.12),transparent 70%),var(--surface)}
.callout h3{font-size:clamp(1.3rem,2.6vw,1.7rem);letter-spacing:-.02em}
.callout>p{color:#d0d0d7;max-width:42rem}
@media (min-width:900px){.callout{grid-template-columns:.9fr 1.1fr;align-items:center;gap:3rem}}

/* ---------- Parcours ---------- */
.split{display:grid;gap:2rem}
.split .sec-head{margin-bottom:0}
@media (min-width:900px){.split{grid-template-columns:.85fr 1.15fr;gap:4rem;align-items:start}}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.4rem}
.chips li{padding:.45rem .95rem;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:.92rem;color:#d6d6dc}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.3rem 0;font-weight:600;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;display:grid;place-items:center;width:1.9rem;height:1.9rem;border-radius:50%;border:1px solid var(--line);color:var(--accent);font-size:1.2rem;line-height:1;transition:transform .25s,background .25s}
.faq details[open] summary::after{transform:rotate(45deg);background:rgba(255,138,31,.12)}
.faq summary:hover{color:var(--accent-2)}
.faq p{padding:0 2.5rem 1.4rem 0;color:var(--muted)}

/* ---------- Résultats ---------- */
.sec-sub{margin-top:1rem;color:var(--muted);max-width:36rem}
.proofs{align-items:start}
.proof{display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .25s}
.proof:hover{border-color:rgba(255,138,31,.5)}
.proof-img{aspect-ratio:2.1/1;display:flex;border-bottom:1px solid var(--line)}
.proof-img img{width:100%;height:100%;object-fit:contain}
.on-dark{background:#1b1b29}
.on-light{background:#fff}
.proof figcaption{padding:1.4rem 1.5rem 1.6rem}
.proof-tag{color:var(--accent);font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.proof h3{margin:.35rem 0 1rem}
.proof-stats{display:grid;gap:.35rem;color:var(--muted);font-size:.97rem}
.proof-stats strong{color:var(--accent);font-size:1.25rem;letter-spacing:-.02em;margin-right:.2rem}
.proof-note{margin-top:1rem;color:var(--muted);font-size:.85rem}
.disclaimer{margin-top:1.5rem;color:var(--muted);font-size:.85rem;text-align:center}

/* ---------- Final CTA ---------- */
.cta-box{text-align:center;padding:clamp(2.5rem,7vw,5rem) clamp(1.25rem,5vw,3rem);border:1px solid var(--line);border-radius:1.75rem;background:
  radial-gradient(34rem 16rem at 50% 0%,rgba(255,138,31,.22),transparent 70%),var(--surface)}
.cta-box h2{max-width:40rem;margin-inline:auto}
.cta-box p{color:#d0d0d7;margin:1.1rem auto 0;max-width:34rem}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding-block:2rem;color:var(--muted);font-size:.9rem}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem 2rem}
.foot strong{color:var(--text)}

/* ---------- Scroll reveal (CSS only, no JS; content stays visible if unsupported) ---------- */
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    .reveal{animation:rise linear both;animation-timeline:view();animation-range:entry 0% entry 30%}
    @keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
  }
}

/* ---------- Small screens ---------- */
@media (max-width:480px){
  .deliverable{transform:none}
  .faq p{padding-right:0}
}
@media print{.site-header,.cta-final{display:none}}