/* ============================================================
   D.BRIEF — Refonte 2026 · Delongeas
   Identité : briefing de mission — nuit de vol, orange
   international, monospace cockpit.
   ============================================================ */
:root{
  --night:#0d1421;
  --night-2:#141d2e;
  --panel:#1a2536;
  --line:#26344a;
  --paper:#f2f4f6;
  --ink:#10161f;
  --ink-soft:#4b5a6d;
  --steel:#8ea6bf;
  --orange:#ff5a1f;
  --orange-soft:#ff7a47;
  --mono:ui-monospace,'Cascadia Code',Consolas,'SF Mono',monospace;
  --sans:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--night);color:var(--paper);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--orange)}
h1,h2,h3{line-height:1.12;text-wrap:balance;margin:0}
h2{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-.015em}
p{margin:0}

/* ---------- BANDEAU DÉMO ---------- */
.demo-banner{background:var(--orange);color:#fff}
.demo-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 0;flex-wrap:wrap}
.demo-in span{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase}
.demo-in span a{text-decoration:underline;text-underline-offset:2px}
.demo-txt{display:flex;flex-direction:column;gap:2px}
.demo-txt em{font-style:normal;font-size:12px;opacity:.92}
.demo-btn{display:inline-flex;align-items:center;background:#10161f;color:#fff;font-size:12px;font-weight:600;padding:7px 14px;border-radius:3px;white-space:nowrap;transition:background .15s}
.demo-btn:hover{background:#26344a}
@media(max-width:700px){.demo-in{justify-content:center;text-align:center}}

/* ---------- NAV ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(13,20,33,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:18px}
.logo{display:flex;align-items:baseline;gap:10px;font-weight:800;font-size:19px;letter-spacing:.04em;white-space:nowrap}
.logo .dot{color:var(--orange)}
.logo small{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--steel);text-transform:uppercase}
.nav-links{display:flex;gap:17px;font-size:13px;color:#c4cfdc;flex-wrap:nowrap;white-space:nowrap}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:#fff}
.nav-links a[aria-current="page"]{border-bottom:2px solid var(--orange)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:3px;font-weight:600;font-size:14px;border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-soft)}
.btn-ghost{border-color:var(--line);color:#dbe4ee}
.btn-ghost:hover{border-color:var(--steel)}
@media(max-width:1080px){.logo small{display:none}}
@media(max-width:980px){.nav-links{display:none}}

/* ---------- HERO ACCUEIL ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background-image:url(img/stars.svg);background-size:1200px auto;background-repeat:repeat}
.hero-in{padding:110px 0 130px;position:relative;z-index:2;max-width:720px}
.hero h1{font-size:clamp(38px,6vw,64px);font-weight:800;letter-spacing:-.02em;margin:20px 0 22px}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .lede{font-size:19px;color:#b7c4d4;max-width:56ch;margin-bottom:36px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
/* Décor HUD */
.hud{position:absolute;inset:0;pointer-events:none;z-index:1}
.hud .horizon{position:absolute;left:0;right:0;bottom:96px;border-top:1px dashed rgba(142,166,191,.35)}
.hud .ticks{position:absolute;top:0;bottom:0;right:48px;width:1px;background:rgba(142,166,191,.25)}
.hud .tick{position:absolute;right:44px;width:9px;height:1px;background:rgba(142,166,191,.4)}
.hud .alt{position:absolute;right:64px;font-family:var(--mono);font-size:10px;color:rgba(142,166,191,.55);letter-spacing:.1em}
.hud .reticle{position:absolute;right:170px;top:160px;width:120px;height:120px;border:1px solid rgba(255,90,31,.35);border-radius:50%}
.hud .reticle::before,.hud .reticle::after{content:"";position:absolute;background:rgba(255,90,31,.45)}
.hud .reticle::before{left:50%;top:-12px;bottom:-12px;width:1px}
.hud .reticle::after{top:50%;left:-12px;right:-12px;height:1px}
@media(max-width:900px){.hud .reticle{display:none}}

/* Séquence catapultage */
.boot{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--steel);min-height:18px;margin-bottom:14px;text-transform:uppercase}
.boot .cursor{display:inline-block;width:7px;height:13px;background:var(--orange);vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.jet-track{position:absolute;left:-140px;bottom:88px;display:flex;align-items:center;opacity:0}
.jet-track svg{width:110px;height:auto;display:block}
.burner{height:3px;width:0;background:linear-gradient(90deg,transparent,var(--orange));margin-right:-4px;margin-top:8px;border-radius:2px;filter:blur(.5px)}
@media (prefers-reduced-motion:no-preference){
  .hero-in>*{opacity:0;animation:fadeUp .7s ease both}
  .hero-in .boot{animation-delay:.1s}
  .hero-in .eyebrow{animation-delay:1.5s}
  .hero-in h1{animation-delay:1.7s}
  .hero-in .lede{animation-delay:1.95s}
  .hero-in .hero-ctas{animation-delay:2.15s}
  @keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
  .hud .tick,.hud .alt,.hud .ticks,.hud .horizon{opacity:0;animation:hudIn .5s ease forwards}
  .hud .horizon{animation-delay:.4s}
  .hud .ticks{animation-delay:.5s}
  .hud .tick:nth-of-type(3),.hud .alt:nth-of-type(4){animation-delay:.6s}
  .hud .tick:nth-of-type(5),.hud .alt:nth-of-type(6){animation-delay:.7s}
  .hud .tick:nth-of-type(7),.hud .alt:nth-of-type(8){animation-delay:.8s}
  .hud .tick:nth-of-type(9),.hud .alt:nth-of-type(10){animation-delay:.9s}
  @keyframes hudIn{to{opacity:1}}
  .hud .reticle{opacity:0;animation:lock .8s cubic-bezier(.2,1.4,.4,1) 1.1s forwards}
  @keyframes lock{0%{opacity:0;transform:scale(1.8) rotate(20deg)}100%{opacity:1;transform:scale(1) rotate(0)}}
  .jet-track.go{animation:launch 2.1s cubic-bezier(.6,.02,.9,.4) forwards}
  .jet-track.go .burner{animation:burn 2.1s cubic-bezier(.6,.02,.9,.4) forwards}
  @keyframes launch{
    0%{opacity:0;transform:translateX(0)}
    8%{opacity:1}
    55%{transform:translateX(45vw) translateY(0) rotate(0deg)}
    100%{opacity:1;transform:translateX(115vw) translateY(-70px) rotate(-7deg)}
  }
  @keyframes burn{0%{width:0}30%{width:60px}100%{width:130px}}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .jet-track{opacity:1;left:auto;right:22%;bottom:96px}
  .burner{width:70px}
  .reveal{transition:none!important;opacity:1!important;transform:none!important}
}

/* ---------- EN-TÊTE PAGES INTÉRIEURES ---------- */
.page-head{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--night-2) url(img/grid.svg);background-size:220px}
.page-head::after{content:"";position:absolute;right:28px;bottom:0;width:340px;height:100%;background:url(img/patrol.svg) right bottom / contain no-repeat;pointer-events:none}
@media(max-width:1000px){.page-head::after{display:none}}
.page-head .wrap{padding-top:76px;padding-bottom:64px;position:relative;z-index:2;max-width:1120px}
.page-head h1{font-size:clamp(32px,5vw,52px);font-weight:800;letter-spacing:-.02em;margin:16px 0 14px;max-width:22ch}
.page-head .lede{font-size:18px;color:#b7c4d4;max-width:58ch}
.page-head .horizon{position:absolute;left:0;right:0;bottom:26px;border-top:1px dashed rgba(142,166,191,.3);z-index:1}

/* ---------- BANDEAU VALEURS ---------- */
.strip{border-bottom:1px solid var(--line);background:var(--night-2)}
.strip-in{display:flex;flex-wrap:wrap}
.strip .v{flex:1 1 160px;padding:18px 20px;border-left:1px solid var(--line);font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);display:flex;gap:10px;align-items:center}
.strip .v:first-child{border-left:none}
.strip .v b{color:var(--orange);font-weight:400}

/* ---------- SECTIONS ---------- */
.sec{padding:96px 0;border-bottom:1px solid var(--line)}
.sec-alt{background:var(--night-2)}
.sec .head{max-width:640px;margin-bottom:56px}
.sec .head p{color:#b7c4d4;margin-top:16px;font-size:17px}
.sec-light{background:var(--paper);color:var(--ink);padding:96px 0}
.sec-light .head{max-width:640px;margin-bottom:56px}
.sec-light .head p{color:var(--ink-soft);margin-top:16px;font-size:17px}

/* Méthode : 3 priorités */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d6dce2;border:1px solid #d6dce2}
@media(max-width:820px){.steps{grid-template-columns:1fr}}
.step{background:#fff;padding:34px 30px 38px;position:relative}
.step .num{font-family:var(--mono);font-size:12px;color:var(--ink-soft);letter-spacing:.12em}
.step h3{font-size:26px;font-weight:800;margin:14px 0 4px;letter-spacing:-.01em}
.step .fr{font-family:var(--mono);font-size:12px;color:var(--orange);letter-spacing:.1em;text-transform:uppercase}
.step p{color:var(--ink-soft);font-size:15px;margin-top:14px}
.step::after{content:"";position:absolute;left:30px;bottom:0;width:44px;height:3px;background:var(--orange)}
.method-note{margin-top:28px;font-family:var(--mono);font-size:13px;color:var(--ink-soft)}
.method-note b{color:var(--ink);font-weight:600}

/* Cartes claires (briefing / debriefing / concepts) */
.duo-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.trio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:820px){.duo-grid,.trio-grid{grid-template-columns:1fr}}
.card{border:1px solid #d6dce2;background:#fff;padding:32px 30px}
.card h3{font-size:20px;font-weight:800;margin:10px 0 12px}
.card p{color:var(--ink-soft);font-size:15px}
.chk{list-style:none;margin:18px 0 0;padding:0;font-size:14.5px}
.chk li{padding:9px 0 9px 30px;border-top:1px dashed #d6dce2;position:relative;color:#2c3a4b}
.chk li::before{content:"✓";position:absolute;left:2px;color:var(--orange);font-family:var(--mono)}

/* Cartes sombres (programmes) */
.prog-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:820px){.prog-grid{grid-template-columns:1fr}}
.pcard{background:var(--panel);border:1px solid var(--line);padding:38px 34px;display:flex;flex-direction:column;gap:16px;transition:border-color .15s}
.pcard:hover{border-color:var(--orange)}
.pcard .tag{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--steel)}
.pcard h3{font-size:24px;font-weight:800}
.pcard p{color:#b7c4d4;font-size:15px;flex:1}
.pcard .link{font-family:var(--mono);font-size:13px;color:var(--orange);letter-spacing:.06em}

/* Parcours 5 étapes */
.path{list-style:none;margin:0;padding:0;counter-reset:etape;display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:1000px){.path{grid-template-columns:1fr}}
.path li{counter-increment:etape;background:var(--panel);padding:26px 22px 30px;position:relative}
.path li::before{content:"ÉTAPE 0" counter(etape);font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--orange)}
.path h3{font-size:17px;font-weight:700;margin:12px 0 8px}
.path p{font-size:13.5px;color:#b7c4d4}

/* Références */
.logos{display:flex;flex-wrap:wrap;gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:56px}
.logos span{flex:1 1 180px;background:var(--night-2);padding:22px 18px;text-align:center;font-family:var(--mono);font-size:13px;letter-spacing:.1em;color:var(--steel);text-transform:uppercase}
.quotes{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:820px){.quotes{grid-template-columns:1fr}}
.quote{background:var(--panel);border:1px solid var(--line);padding:30px 28px;display:flex;flex-direction:column;gap:18px}
.quote blockquote{margin:0;font-size:16px;color:#dbe4ee;line-height:1.65}
.quote blockquote::before{content:"« "}
.quote blockquote::after{content:" »"}
.quote .who{font-family:var(--mono);font-size:12px;color:var(--steel);letter-spacing:.08em}
.quote .who b{color:var(--orange);font-weight:400;display:block;margin-bottom:2px}

/* Équipe */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
@media(max-width:900px){.team-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.team-grid{grid-template-columns:1fr}}
.member{background:var(--panel);border:1px solid var(--line);padding:24px;transition:border-color .15s}
a.member:hover{border-color:var(--orange)}
.avatar{aspect-ratio:1;background:linear-gradient(160deg,#22314a,#141d2e);margin-bottom:16px;position:relative;overflow:hidden}
.avatar::after{content:"";position:absolute;inset:auto -20% -35% -20%;height:80%;border-radius:50% 50% 0 0;background:#2c3f5e}
.avatar::before{content:"";position:absolute;top:22%;left:50%;transform:translateX(-50%);width:34%;aspect-ratio:1;border-radius:50%;background:#2c3f5e;z-index:1}
.member .cs{font-family:var(--mono);font-size:11px;color:var(--orange);letter-spacing:.14em;text-transform:uppercase}
.member h3{font-size:17px;font-weight:700;margin:6px 0 2px}
.member p{font-size:13px;color:var(--steel)}

/* Bio détaillée */
.bio{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start;padding:64px 0;border-bottom:1px solid var(--line)}
@media(max-width:820px){.bio{grid-template-columns:1fr}}
.bio .avatar{max-width:320px}
.bio h2{font-size:28px}
.bio .role{font-family:var(--mono);font-size:12px;color:var(--orange);letter-spacing:.14em;text-transform:uppercase;display:block;margin:8px 0 18px}
.bio p{color:#b7c4d4;font-size:15.5px;margin-bottom:14px}
.bio .facts{list-style:none;margin:22px 0 0;padding:0;font-size:14px}
.bio .facts li{padding:8px 0 8px 26px;border-top:1px dashed var(--line);position:relative;color:#c4cfdc}
.bio .facts li::before{content:"▸";position:absolute;left:2px;color:var(--orange);font-family:var(--mono)}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:56px}
@media(max-width:820px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--night-2);padding:28px 24px;text-align:center}
.stat b{display:block;font-size:34px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.stat span{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--steel);text-transform:uppercase}

/* FAQ */
.faq{max-width:760px}
.faq details{border:1px solid var(--line);background:var(--panel);margin-bottom:12px}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:600;font-size:15px;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--orange);font-size:18px}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 22px 20px;color:#b7c4d4;font-size:14.5px}

/* Académie */
.acad-in{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
@media(max-width:900px){.acad-in{grid-template-columns:1fr}}
.acad-in p.lede{color:#b7c4d4;font-size:17px;margin:18px 0 28px}
.player{border:1px solid var(--line);background:var(--panel);aspect-ratio:16/9;position:relative;display:flex;align-items:center;justify-content:center}
.player .play{width:64px;height:64px;border-radius:50%;background:var(--orange);display:flex;align-items:center;justify-content:center}
.player .play::before{content:"";border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:4px}
.player .lab{position:absolute;left:14px;bottom:12px;font-family:var(--mono);font-size:11px;color:var(--steel);letter-spacing:.12em}
.chapters{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.chip{font-family:var(--mono);font-size:11px;border:1px solid var(--line);color:var(--steel);padding:5px 10px;letter-spacing:.08em}

/* Formulaire contact */
.form{max-width:640px;display:grid;gap:18px}
.form label{display:grid;gap:7px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel)}
.form input,.form select,.form textarea{background:var(--panel);border:1px solid var(--line);color:var(--paper);padding:13px 14px;font-size:15px;font-family:var(--sans);border-radius:3px}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--orange);outline-offset:1px;border-color:var(--orange)}
.form textarea{min-height:140px;resize:vertical}
.form .hint{font-family:var(--mono);font-size:12px;color:var(--steel);letter-spacing:.06em}

/* CTA + footer */
.cta{padding:110px 0 150px;text-align:center;position:relative;background:url(img/carrier.svg) calc(50% + 180px) bottom / 640px auto no-repeat,url(img/stars.svg) center top / 1200px auto repeat,linear-gradient(180deg,var(--night) 0%,#131c2c 100%)}
@media(max-width:700px){.cta{background-size:480px auto,1200px auto,auto;padding-bottom:120px}}
.cta h2{max-width:20ch;margin:18px auto 16px}
.cta p{color:#b7c4d4;max-width:52ch;margin:0 auto 36px}
footer{border-top:1px solid var(--line);padding:40px 0;background:var(--night)}
.foot{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap;font-size:13px;color:#7186a0}
.foot nav{display:flex;gap:18px;flex-wrap:wrap}
.foot a:hover{color:#c4cfdc}
.foot .mono{font-size:11px;letter-spacing:.12em}

/* Reveal au scroll */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.on{opacity:1;transform:none}

/* Altimètre */
.altimeter{position:fixed;right:18px;bottom:18px;z-index:60;font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--steel);background:rgba(13,20,33,.85);border:1px solid var(--line);padding:8px 12px;display:flex;gap:10px;align-items:center;backdrop-filter:blur(6px)}
.altimeter b{color:var(--orange);font-weight:400;font-variant-numeric:tabular-nums}
@media(max-width:700px){.altimeter{display:none}}

/* ---------- Boutique ---------- */
.shop-cat{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin:56px 0 20px}
.shop-cat:first-of-type{margin-top:0}
.shop-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:1000px){.shop-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.shop-grid{grid-template-columns:1fr}}
.prod{background:var(--panel);border:1px solid var(--line);padding:24px 22px 26px;display:flex;flex-direction:column;gap:10px;transition:border-color .15s}
.prod:hover{border-color:var(--orange)}
.prod .thumb{aspect-ratio:4/3;background:linear-gradient(160deg,#22314a,#141d2e);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--steel);text-transform:uppercase;margin-bottom:6px}
.prod h3{font-size:15.5px;font-weight:700;flex:1}
.prod .price{font-family:var(--mono);font-size:15px;color:var(--orange);font-variant-numeric:tabular-nums}
.prod .price s{color:var(--steel);margin-right:8px}
.prod .soldout{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--steel);text-transform:uppercase}

/* ---------- Vols ---------- */
.fly-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:980px){.fly-grid{grid-template-columns:1fr}}
.fly{background:var(--panel);border:1px solid var(--line);padding:30px 28px;display:flex;flex-direction:column;gap:12px;transition:border-color .15s}
.fly:hover{border-color:var(--orange)}
.fly .tag{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);display:flex;justify-content:space-between;gap:10px}
.fly .tag em{font-style:normal;color:var(--orange)}
.fly h3{font-size:20px;font-weight:800}
.fly p{color:#b7c4d4;font-size:14px;flex:1}
.fly .meta{font-family:var(--mono);font-size:12px;color:var(--steel);letter-spacing:.06em}
.fly .price{font-family:var(--mono);font-size:17px;color:var(--orange);font-variant-numeric:tabular-nums}
.fly .price small{color:var(--steel);font-size:12px}

:focus-visible{outline:2px solid var(--orange);outline-offset:2px}