/* ============================================================
   Blink · Guides LinkedIn · feuille de style partagée
   Basée sur le design system des propositions clients
   ============================================================ */
:root{
  --bg:#0B0E14;
  --bg2:#0E1118;
  --card:#161A22;
  --card2:#1A1F29;
  --line:#262C38;
  --yellow:#EEF527;
  --white:#FFFFFF;
  --grey:#9BA3B0;
  --grey2:#6B7280;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--white);
  font-family:'Inter',sans-serif;
  line-height:1.55;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{font-family:'Space Grotesk',sans-serif;letter-spacing:-0.02em;line-height:1.1}
.yellow{color:var(--yellow)}

/* ---------- Progress bar ---------- */
.progress{position:fixed;top:0;left:0;height:3px;background:var(--yellow);width:0;z-index:1000;transition:width .1s linear}

/* ---------- Top nav ---------- */
.topbar{position:fixed;top:0;left:0;right:0;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;z-index:900;background:rgba(11,14,20,.7);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar .brand{display:flex;align-items:center;gap:14px}
.topbar img.blink{height:26px;display:block}
.topbar .sep{width:1px;height:24px;background:var(--line)}
.topbar .guidetag{font-family:'Space Grotesk';font-size:13px;font-weight:600;color:var(--grey)}
.topbar .cta-top{background:var(--yellow);color:#0B0E14;font-weight:700;font-size:13px;padding:9px 18px;border-radius:99px;text-decoration:none;font-family:'Space Grotesk';transition:transform .2s}
.topbar .cta-top:hover{transform:translateY(-2px)}
@media(max-width:640px){.topbar .cta-top{display:none}}

/* ---------- Section base ---------- */
section{padding:110px 32px;max-width:1240px;margin:0 auto;position:relative}
section.bleed::before{content:'';position:absolute;top:0;bottom:0;left:50%;transform:translateX(-50%);width:100vw;background:var(--bg2);z-index:-1}
.eyebrow{display:inline-block;background:var(--yellow);color:#0B0E14;font-family:'Space Grotesk';font-weight:700;font-size:13px;padding:6px 14px;border-radius:99px;margin-bottom:26px}
.section-title{font-size:clamp(30px,4.4vw,52px);font-weight:700;margin-bottom:20px}
.section-sub{font-size:clamp(16px,1.7vw,19px);color:var(--grey);max-width:720px;margin-bottom:10px}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ---------- HERO ---------- */
.hero{min-height:88vh;display:flex;align-items:center;padding-top:100px;padding-bottom:60px;max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;width:100%}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr;gap:36px}}
.hero h1{font-size:clamp(38px,5.8vw,68px);font-weight:700;margin-bottom:24px}
.hero .lead{font-size:18px;color:var(--grey);max-width:480px;margin-bottom:26px}
.hero-logos{display:flex;align-items:center;gap:18px;margin-top:36px}
.hero-logos img.blink{height:32px;display:block}

/* meta chips (durée, niveau, prérequis) */
.meta-chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--card);border-radius:99px;padding:8px 16px;font-size:13.5px;color:var(--grey)}
.chip b{color:var(--white);font-weight:600}
.chip .dot{width:8px;height:8px;background:var(--yellow);transform:rotate(45deg)}

/* macOS window cards (hero) */
.win-stack{display:flex;flex-direction:column;gap:22px}
.wincard{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px;position:relative;transition:transform .3s,border-color .3s}
.wincard:hover{transform:translateY(-4px);border-color:#3a4252}
.wincard:nth-child(2){margin-left:42px}
.wincard:nth-child(3){margin-left:84px}
@media(max-width:880px){.wincard:nth-child(2),.wincard:nth-child(3){margin-left:0}}
.wintop{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.dots{display:flex;gap:6px}
.dots span{width:11px;height:11px;border-radius:50%}
.dots .r{background:#ff5f57}.dots .y{background:#febc2e}.dots .g{background:#28c840}
.winnum{font-family:'Space Grotesk';font-size:13px;color:var(--grey2);font-weight:600}
.winbody{display:flex;align-items:center;gap:14px}
.winicon{width:44px;height:44px;border-radius:11px;background:rgba(238,245,39,.12);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.winicon svg{width:22px;height:22px;stroke:var(--yellow);fill:none;stroke-width:2}
.wincard h3{font-size:18px;font-weight:600;margin-bottom:3px}
.wincard p{font-size:14px;color:var(--grey)}

/* ---------- Steps horizontaux ---------- */
.steps{display:grid;gap:28px;margin-top:50px}
.steps.four{grid-template-columns:repeat(4,1fr)}
.steps.three{grid-template-columns:repeat(3,1fr)}
@media(max-width:880px){.steps.four,.steps.three{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps.four,.steps.three{grid-template-columns:1fr}}
.step{position:relative;padding-top:30px}
.step .num{font-family:'Space Grotesk';font-size:22px;font-weight:700;color:var(--yellow);display:flex;align-items:center;gap:9px;margin-bottom:14px}
.step .num::before{content:'';width:11px;height:11px;background:var(--yellow);transform:rotate(45deg);display:inline-block}
.step h4{font-family:'Space Grotesk';font-size:17px;font-weight:600;margin-bottom:9px}
.step p{font-size:14.5px;color:var(--grey)}
.step .dline{position:absolute;top:36px;left:34px;right:-14px;height:1px;background-image:linear-gradient(to right,var(--line) 0 6px,transparent 6px 12px);background-size:12px 1px;background-repeat:repeat-x}
.step:last-child .dline{display:none}
@media(max-width:880px){.step .dline{display:none}}

/* ---------- Tuto : étapes verticales ---------- */
.tuto{margin-top:50px;display:grid;gap:0}
.tstep{position:relative;padding:0 0 46px 58px}
.tstep::before{content:'';position:absolute;left:13px;top:34px;bottom:0;width:1px;background-image:linear-gradient(to bottom,var(--line) 0 6px,transparent 6px 12px);background-size:1px 12px;background-repeat:repeat-y}
.tstep:last-child::before{display:none}
.tstep .tnum{position:absolute;left:0;top:0;width:28px;height:28px;background:var(--yellow);transform:rotate(45deg);display:flex;align-items:center;justify-content:center;border-radius:6px}
.tstep .tnum span{transform:rotate(-45deg);font-family:'Space Grotesk';font-weight:700;font-size:13px;color:#0B0E14}
.tstep h4{font-family:'Space Grotesk';font-size:20px;font-weight:600;margin-bottom:10px;padding-top:2px}
.tstep p{font-size:15px;color:var(--grey);max-width:720px;margin-bottom:10px}
.tstep p b{color:#dfe3ea;font-weight:600}
.tstep ul{list-style:none;margin:12px 0 4px;display:grid;gap:8px;max-width:720px}
.tstep ul li{font-size:14.5px;color:var(--grey);display:flex;gap:10px;align-items:flex-start}
.tstep ul li::before{content:'';width:7px;height:7px;background:var(--yellow);transform:rotate(45deg);flex-shrink:0;margin-top:7px}
.tstep .ttime{display:inline-block;font-family:'Space Grotesk';font-size:12px;font-weight:600;color:var(--grey2);border:1px solid var(--line);border-radius:99px;padding:3px 11px;margin-bottom:12px}

/* ---------- Promptbox (bloc à copier) ---------- */
.promptbox{background:#0d1017;border:1px solid var(--line);border-radius:14px;margin:18px 0 8px;max-width:760px;overflow:hidden}
.promptbox .phead{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--card)}
.promptbox .phead .plabel{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk';font-size:12.5px;font-weight:600;color:var(--grey)}
.promptbox .phead .pdots{display:flex;gap:5px}
.promptbox .phead .pdots span{width:9px;height:9px;border-radius:50%}
.promptbox pre{padding:18px 20px;font-family:'SF Mono',ui-monospace,Menlo,monospace;font-size:13.5px;line-height:1.65;color:#c9d1dc;white-space:pre-wrap;word-break:break-word;overflow-x:auto}
.copybtn{background:transparent;border:1px solid var(--line);color:var(--grey);font-family:'Space Grotesk';font-size:12px;font-weight:600;padding:5px 13px;border-radius:99px;cursor:pointer;transition:all .2s}
.copybtn:hover{border-color:var(--yellow);color:var(--yellow)}
.copybtn.ok{background:var(--yellow);border-color:var(--yellow);color:#0B0E14}

/* ---------- Feature cards ---------- */
.cardgrid{display:grid;gap:22px;margin-top:46px}
.cardgrid.c2{grid-template-columns:1fr 1fr}
.cardgrid.c3{grid-template-columns:repeat(3,1fr)}
.cardgrid.c4{grid-template-columns:repeat(4,1fr)}
@media(max-width:880px){.cardgrid.c3,.cardgrid.c4{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.cardgrid.c2,.cardgrid.c3,.cardgrid.c4{grid-template-columns:1fr}}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;transition:transform .3s,border-color .3s}
.fcard:hover{transform:translateY(-4px);border-color:#3a4252}
.fcard .num{font-family:'Space Grotesk';color:var(--yellow);font-weight:700;font-size:16px;margin-bottom:14px}
.fcard .ic{width:46px;height:46px;border-radius:12px;background:rgba(238,245,39,.1);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.fcard .ic svg{width:23px;height:23px;stroke:var(--yellow);fill:none;stroke-width:2}
.fcard h4{font-family:'Space Grotesk';font-size:18px;font-weight:600;margin-bottom:10px}
.fcard p{font-size:14.5px;color:var(--grey)}

/* ---------- Check list ---------- */
.detaillist{display:grid;grid-template-columns:1fr 1fr;gap:14px 30px;margin-top:34px}
@media(max-width:680px){.detaillist{grid-template-columns:1fr}}
.detaillist .di{display:flex;gap:13px;align-items:flex-start}
.detaillist .di .chk{width:22px;height:22px;border-radius:6px;background:rgba(238,245,39,.13);flex-shrink:0;display:flex;align-items:center;justify-content:center;margin-top:2px}
.detaillist .di .chk svg{width:13px;height:13px;stroke:var(--yellow);stroke-width:3;fill:none}
.detaillist .di b{font-weight:600;font-size:14.5px}
.detaillist .di span{font-size:13.5px;color:var(--grey);display:block}

/* ---------- Callouts ---------- */
.callout{margin-top:40px;border:1px solid var(--line);border-radius:14px;padding:22px 26px;background:var(--card);display:flex;gap:14px;align-items:flex-start}
.callout .dia{width:13px;height:13px;background:var(--yellow);transform:rotate(45deg);flex-shrink:0;margin-top:5px}
.callout p{font-size:15.5px}
.callout.solid{background:var(--yellow);border-color:var(--yellow)}
.callout.solid p{color:#0B0E14;font-weight:600}
.callout.solid .dia{background:#0B0E14}
.two-callouts{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
@media(max-width:680px){.two-callouts{grid-template-columns:1fr}}
.two-callouts .callout{margin-top:0}

/* ---------- Compare strip ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:46px;border:1px solid var(--line);border-radius:16px;overflow:hidden}
@media(max-width:680px){.compare{grid-template-columns:1fr}}
.compare .col{padding:28px}
.compare .col.them{background:var(--bg2)}
.compare .col.us{background:rgba(238,245,39,.06);border-left:1px solid var(--line)}
.compare h4{font-family:'Space Grotesk';font-size:15px;margin-bottom:18px;text-transform:uppercase;letter-spacing:.05em}
.compare .col.them h4{color:var(--grey2)}
.compare .col.us h4{color:var(--yellow)}
.compare li{list-style:none;font-size:14.5px;margin-bottom:13px;display:flex;gap:10px;align-items:flex-start;color:var(--grey)}
.compare .col.us li{color:#dfe3ea}
.compare li svg{width:15px;height:15px;flex-shrink:0;margin-top:3px}
.compare .col.them li svg{stroke:var(--grey2);stroke-width:2;fill:none}
.compare .col.us li svg{stroke:var(--yellow);stroke-width:3;fill:none}

/* ---------- Bilan / tableaux chiffrés ---------- */
.bilan-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:40px}
@media(max-width:680px){.bilan-grid{grid-template-columns:1fr}}
.bilan{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.bilan.feature{border-color:var(--yellow);box-shadow:0 0 0 1px var(--yellow),0 20px 60px -20px rgba(238,245,39,.25)}
.bilan h4{font-family:'Space Grotesk';font-size:15px;font-weight:600;color:var(--grey);text-transform:uppercase;letter-spacing:.05em;margin-bottom:18px}
.bilan .row{display:flex;justify-content:space-between;gap:14px;font-size:14.5px;color:var(--grey);padding:7px 0;border-bottom:1px dashed var(--line)}
.bilan .row b{color:#dfe3ea;font-weight:600;white-space:nowrap}
.bilan .total{display:flex;justify-content:space-between;font-family:'Space Grotesk';font-size:20px;font-weight:700;padding-top:16px}
.bilan .total .g{color:var(--yellow)}
.params{margin-top:26px;font-size:12.5px;color:var(--grey2);text-align:center}

/* ---------- Difficulté (losanges) ---------- */
.diff{display:inline-flex;gap:5px;align-items:center}
.diff i{width:9px;height:9px;transform:rotate(45deg);background:var(--line)}
.diff i.on{background:var(--yellow)}

/* ---------- Section header avec badge ---------- */
.lev-head{display:flex;align-items:center;gap:16px;margin-bottom:6px;flex-wrap:wrap}
.lev-badge{background:var(--yellow);color:#0B0E14;font-family:'Space Grotesk';font-weight:700;font-size:13px;padding:6px 14px;border-radius:99px;white-space:nowrap}
.lev-head h2{font-size:clamp(28px,4vw,46px);font-weight:700}

/* ---------- Final CTA ---------- */
.final{text-align:center;padding:130px 32px 150px}
.final h2{font-size:clamp(34px,5.5vw,64px);font-weight:700;margin-bottom:22px}
.final .arrow{display:inline-block;transition:transform .3s}
.final h2:hover .arrow{transform:translateX(10px)}
.final .tag{font-size:17px;color:var(--grey);margin-bottom:40px;max-width:620px;margin-left:auto;margin-right:auto}
.cta-btn{display:inline-block;background:var(--yellow);color:#0B0E14;font-family:'Space Grotesk';font-weight:700;font-size:17px;padding:16px 38px;border-radius:99px;text-decoration:none;transition:transform .25s,box-shadow .25s;box-shadow:0 10px 40px -10px rgba(238,245,39,.5)}
.cta-btn:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 16px 50px -10px rgba(238,245,39,.7)}
.contact{margin-top:44px;display:flex;gap:26px;justify-content:center;flex-wrap:wrap;font-size:14.5px;color:var(--grey)}
.contact a{color:var(--white);text-decoration:none}
.contact .d{color:var(--yellow)}
.foot-logos{display:flex;align-items:center;justify-content:center;margin-bottom:46px}
.foot-logos img.blink{height:32px;display:block}

/* ---------- Navigation entre guides ---------- */
.guide-nav{max-width:1240px;margin:0 auto;padding:0 32px 90px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:680px){.guide-nav{grid-template-columns:1fr}}
.gnav{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 26px;text-decoration:none;transition:transform .3s,border-color .3s;display:block}
.gnav:hover{transform:translateY(-4px);border-color:var(--yellow)}
.gnav .glabel{font-family:'Space Grotesk';font-size:12px;font-weight:700;color:var(--grey2);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.gnav h5{font-family:'Space Grotesk';font-size:17px;font-weight:600;color:var(--white)}
.gnav p{font-size:13.5px;color:var(--grey);margin-top:5px}

footer{border-top:1px solid var(--line);padding:30px 32px;text-align:center;font-size:12.5px;color:var(--grey2)}
footer a{color:var(--grey);text-decoration:none}

@media (prefers-reduced-motion: reduce){
  .reveal{transition:none;opacity:1;transform:none}
  html{scroll-behavior:auto}
}