:root{
  --ink:#16110d;
  --ink-2:#1f1812;
  --ink-3:#2c241c;
  --paper:#f7f4ef;
  --paper-2:#efe9e1;
  --paper-3:#e6ded2;
  --copper:#c0763a;
  --copper-soft:#d79257;
  --copper-deep:#a35f29;
  --muted:#6f655a;
  --muted-2:#8c8278;
  --line:#ddd4c7;
  --line-dark:rgba(247,244,239,.13);
  --paper-on-dark:#f0ebe3;
  --muted-on-dark:#a99e90;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif: 'Archivo', system-ui, sans-serif;
  --sans: 'Hanken Grotesk', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.55;
  overflow-x:hidden;
}
::selection{background:var(--copper);color:#fff}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.02;letter-spacing:-.02em;text-wrap:balance}
p{text-wrap:pretty}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.kick{
  font-family:var(--mono);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--copper-deep);
  display:inline-flex;align-items:center;gap:10px;white-space:nowrap;
}
.kick::before{content:"";width:22px;height:1px;background:var(--copper);display:inline-block}
.kick.on-dark{color:var(--copper-soft)}
.kick.on-dark::before{background:var(--copper-soft)}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal.d1{transition-delay:.08s}
.js .reveal.d2{transition-delay:.16s}
.js .reveal.d3{transition-delay:.24s}
.js .reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- nav ---------- */
header.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  transition:background .4s var(--ease),border-color .4s var(--ease),backdrop-filter .4s var(--ease);
  border-bottom:1px solid transparent;
}
header.nav.solid{
  background:rgba(247,244,239,.82);
  backdrop-filter:blur(14px) saturate(1.1);
  border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-weight:800;letter-spacing:-.02em;font-size:19px}
.brand .logo{height:26px;width:auto;display:block}
.foot-in .brand .logo{height:22px}
.mark{width:22px;height:22px;position:relative;flex:0 0 auto}
.mark i{position:absolute;inset:0;border:1.6px solid var(--ink);transform:rotate(45deg)}
.mark i:last-child{inset:5px;background:var(--copper);border-color:var(--copper)}
.brand b{color:var(--copper-deep);font-weight:800}
nav.links{display:flex;align-items:center;gap:34px}
nav.links a{font-size:14.5px;color:var(--muted);font-weight:500;transition:color .2s;white-space:nowrap}
nav.links a:hover{color:var(--ink)}
.btn{
  font-family:var(--sans);font-weight:600;font-size:14.5px;
  padding:12px 22px;border-radius:2px;border:1px solid transparent;
  cursor:pointer;transition:.22s var(--ease);display:inline-flex;align-items:center;gap:9px;white-space:nowrap;
}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--copper-deep)}
.btn-primary .ar{transition:transform .25s var(--ease)}
.btn-primary:hover .ar{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:transparent}
.btn-light{background:var(--paper);color:var(--ink)}
.btn-light:hover{background:var(--copper-soft);color:var(--ink)}
nav.links .btn{padding:11px 18px}
nav.links .btn-primary{color:#fff}
.menu-btn{display:none}

/* ---------- hero ---------- */
.hero{padding:150px 0 60px;position:relative}
.hero-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(40px,5.4vw,72px);font-weight:800;margin:24px 0 0}
.hero h1 em{font-style:normal;color:var(--copper-deep)}
.hero .lead{font-size:clamp(17px,1.5vw,20px);color:var(--muted);max-width:30em;margin-top:26px;line-height:1.6}
.hero .cta-row{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.trust{display:flex;gap:8px 26px;flex-wrap:wrap;margin-top:42px;padding-top:26px;border-top:1px solid var(--line)}
.trust span{font-family:var(--mono);font-size:12px;color:var(--muted-2);letter-spacing:.02em;display:flex;align-items:center;gap:9px}
.trust span::before{content:"";width:5px;height:5px;background:var(--copper);transform:rotate(45deg)}

/* window mock */
.win{
  background:var(--ink);border-radius:8px;overflow:hidden;
  box-shadow:0 40px 80px -30px rgba(22,17,13,.45),0 8px 24px -12px rgba(22,17,13,.3);
  border:1px solid var(--ink-3);
}
.win-bar{height:42px;background:var(--ink-2);display:flex;align-items:center;gap:8px;padding:0 16px;border-bottom:1px solid var(--line-dark)}
.win-bar i{width:10px;height:10px;border-radius:50%;background:#3a3027}
.win-bar .addr{margin-left:14px;font-family:var(--mono);font-size:11.5px;color:var(--muted-on-dark);letter-spacing:.02em}
.ph{
  position:relative;
  background:
    repeating-linear-gradient(135deg,rgba(192,118,58,.10) 0 1px,transparent 1px 13px),
    var(--ink);
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;
  color:var(--muted-on-dark);
}
.ph .ph-cap{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:#8a7f70}
.ph .ph-ico{width:46px;height:46px;border:1.5px solid #4a3f33;display:flex;align-items:center;justify-content:center}
.ph .ph-ico::after{content:"";width:16px;height:16px;border:1.5px solid var(--copper-soft);transform:rotate(45deg)}
.win .ph{height:330px}
.win .shot{display:block;width:100%;height:auto}

/* ---------- section base ---------- */
section{position:relative}
.sec{padding:108px 0}
.sec-head{max-width:760px}
.sec-head h2{font-size:clamp(30px,3.6vw,46px);margin-top:20px}
.sec-head .intro{font-size:18px;color:var(--muted);margin-top:20px;line-height:1.6;max-width:42em}

/* ---------- constat ---------- */
.constat{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:54px;border:1px solid var(--line)}
.pain{background:var(--paper-2);padding:30px 28px;display:flex;flex-direction:column;gap:14px;min-height:172px;transition:background .3s}
.pain:hover{background:var(--paper)}
.pain .n{font-family:var(--mono);font-size:12px;color:var(--copper-deep);letter-spacing:.06em}
.pain p{font-size:16.5px;color:var(--ink);font-weight:500;line-height:1.4}
.constat-foot{margin-top:40px;display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.constat-foot .lbl{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.constat-foot .res{font-family:var(--serif);font-size:clamp(20px,2.4vw,28px);font-weight:600;letter-spacing:-.01em;max-width:24em}

/* ---------- parcours ---------- */
.parcours-top{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap}
.seg{display:inline-flex;background:var(--paper-2);border:1px solid var(--line);border-radius:3px;padding:4px}
.seg button{
  font-family:var(--sans);font-weight:600;font-size:13.5px;color:var(--muted);
  padding:9px 18px;border:none;background:transparent;cursor:pointer;border-radius:2px;transition:.2s var(--ease);white-space:nowrap;
}
.seg button.active{background:var(--ink);color:var(--paper)}
.flow{margin-top:50px}
.flow-track{display:grid;grid-template-columns:repeat(8,1fr);gap:0;position:relative}
.step{
  position:relative;padding:0 10px 0 0;cursor:pointer;text-align:left;background:none;border:none;font-family:var(--sans);
  display:flex;flex-direction:column;align-items:flex-start;
}
.step .dot,.step .sn,.step .st{display:block}
.step .dot{
  width:15px;height:15px;border:1.6px solid var(--line);background:var(--paper);
  position:relative;z-index:2;transform:rotate(45deg);transition:.25s var(--ease);margin-bottom:18px;
}
.step .bar{position:absolute;top:7px;left:0;right:0;height:1.6px;background:var(--line);z-index:1}
.step:first-child .bar{left:50%}
.step:last-child .bar{right:50%}
.step .sn{font-family:var(--mono);font-size:11px;color:var(--muted-2);letter-spacing:.04em}
.step .st{font-size:14px;font-weight:600;color:var(--muted);margin-top:5px;line-height:1.25;letter-spacing:-.01em;transition:color .25s}
.step.active .dot,.step:hover .dot{border-color:var(--copper);background:var(--copper)}
.step.active .st{color:var(--ink)}
.step.active .sn{color:var(--copper-deep)}
.flow-detail{
  margin-top:46px;background:var(--ink);color:var(--paper-on-dark);border-radius:8px;
  display:grid;grid-template-columns:1fr 1fr;gap:0;overflow:hidden;min-height:248px;
}
.flow-detail .fd-text{padding:44px 46px;display:flex;flex-direction:column;justify-content:center}
.fd-text .fd-step{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--copper-soft)}
.fd-text h3{font-size:27px;color:var(--paper);margin-top:14px}
.fd-text p{color:var(--muted-on-dark);font-size:16px;margin-top:14px;line-height:1.6;max-width:30em}
.fd-text .fd-tag{margin-top:22px;display:inline-flex;align-self:flex-start;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--paper-on-dark);border:1px solid var(--line-dark);padding:7px 13px;border-radius:2px}
.flow-detail .ph{border-left:1px solid var(--line-dark);min-height:248px}

/* ---------- benefits ---------- */
.ben-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin-top:54px}
.ben{
  grid-column:span 2;background:var(--paper);border:1px solid var(--line);border-radius:6px;
  padding:32px 30px;display:flex;flex-direction:column;gap:14px;transition:.3s var(--ease);position:relative;overflow:hidden;
}
.ben:nth-child(4){grid-column:span 3}
.ben:nth-child(5){grid-column:span 3}
.ben:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:0 20px 40px -24px rgba(22,17,13,.3)}
.ben .bn{font-family:var(--serif);font-size:30px;font-weight:700;color:var(--paper-3);line-height:1;transition:color .3s}
.ben:hover .bn{color:var(--copper)}
.ben h3{font-size:20px;font-weight:700;letter-spacing:-.01em}
.ben p{font-size:15px;color:var(--muted);line-height:1.55}

/* ---------- features ---------- */
.features{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);margin-top:54px;border:1px solid var(--line)}
.feat{background:var(--paper-2);padding:34px 34px;display:flex;flex-direction:column;gap:16px;transition:background .3s}
.feat:hover{background:var(--paper)}
.feat-h{display:flex;align-items:center;gap:14px}
.feat-ico{width:38px;height:38px;border:1.4px solid var(--ink);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.feat-ico::after{content:"";width:13px;height:13px;background:var(--copper);transform:rotate(45deg)}
.feat:nth-child(2) .feat-ico::after,.feat:nth-child(5) .feat-ico::after{border-radius:50%;transform:none}
.feat:nth-child(3) .feat-ico::after,.feat:nth-child(6) .feat-ico::after{transform:none;width:14px;height:14px;background:transparent;border:1.4px solid var(--copper)}
.feat h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.feat ul{list-style:none;display:flex;flex-direction:column;gap:9px;margin-top:2px}
.feat li{font-size:14.5px;color:var(--muted);padding-left:18px;position:relative;line-height:1.45}
.feat li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:1.5px;background:var(--copper)}

/* ---------- different (dark) ---------- */
.different{background:var(--ink);color:var(--paper-on-dark)}
.diff-neg{display:flex;flex-direction:column;gap:6px;margin-top:40px}
.diff-neg p{
  font-family:var(--serif);font-weight:600;font-size:clamp(24px,3.4vw,40px);letter-spacing:-.02em;line-height:1.12;
  color:#5b5046;position:relative;width:fit-content;
}
.diff-neg p s{text-decoration:none;position:relative}
.diff-neg p s::after{content:"";position:absolute;left:-2px;right:-2px;top:54%;height:2px;background:var(--copper);transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease)}
.diff-neg.in p s::after{transform:scaleX(1)}
.diff-neg p:nth-child(2) s::after{transition-delay:.15s}
.diff-neg p:nth-child(3) s::after{transition-delay:.3s}
.diff-pos{font-family:var(--serif);font-weight:800;font-size:clamp(30px,4.4vw,56px);color:var(--paper);letter-spacing:-.025em;line-height:1.05;margin-top:30px;max-width:16em}
.diff-pos em{font-style:normal;color:var(--copper-soft)}
.chain{display:flex;flex-wrap:wrap;gap:10px;margin-top:46px;max-width:760px}
.chain span{font-family:var(--mono);font-size:12.5px;letter-spacing:.02em;color:var(--paper-on-dark);border:1px solid var(--line-dark);padding:9px 15px;border-radius:2px;transition:.25s var(--ease)}
.chain span:hover{border-color:var(--copper);color:#fff}

/* ---------- audience ---------- */
.aud-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:54px}
.aud{border:1px solid var(--line);border-radius:6px;padding:30px 32px;display:flex;gap:22px;align-items:flex-start;background:var(--paper);transition:.3s var(--ease)}
.aud:hover{border-color:var(--copper);background:var(--paper-2)}
.aud .ai{font-family:var(--mono);font-size:13px;color:var(--copper-deep);padding-top:3px;letter-spacing:.04em;flex:0 0 auto}
.aud p{font-size:16.5px;color:var(--ink);font-weight:500;line-height:1.45}

/* ---------- final CTA ---------- */
.final{background:var(--ink);color:var(--paper-on-dark);text-align:center}
.final .kick{justify-content:center}
.final h2{font-size:clamp(34px,5vw,60px);color:var(--paper);margin-top:22px;font-weight:800}
.final h2 em{font-style:normal;color:var(--copper-soft)}
.final .fchain{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin:40px auto 0;max-width:780px}
.final .fchain span{font-family:var(--mono);font-size:12.5px;color:var(--muted-on-dark);letter-spacing:.02em}
.final .fchain b{color:var(--copper-soft);font-weight:400}
.final .cta-row{display:flex;gap:14px;justify-content:center;margin-top:44px;flex-wrap:wrap}
.final .sub{color:var(--muted-on-dark);font-size:16px;margin-top:20px;max-width:34em;margin-left:auto;margin-right:auto}

/* ---------- footer ---------- */
footer{background:var(--ink);color:var(--muted-on-dark);border-top:1px solid var(--line-dark);padding:42px 0}
.foot-in{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.foot-in .brand{color:var(--paper)}
.foot-in .mark i{border-color:var(--paper-on-dark)}
.foot-in .mark i:last-child{background:var(--copper);border-color:var(--copper)}
.foot-in small{font-family:var(--mono);font-size:11.5px;letter-spacing:.03em}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:46px}
  .hero{padding:128px 0 40px}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .ben-grid{grid-template-columns:repeat(2,1fr)}
  .ben,.ben:nth-child(4),.ben:nth-child(5){grid-column:span 1}
  .feat-grid{grid-template-columns:1fr}
  .flow-detail{grid-template-columns:1fr}
  .flow-detail .ph{display:none}
  .aud-grid{grid-template-columns:1fr}
}
@media(max-width:680px){
  .wrap{padding:0 20px}
  nav.links a{display:none}
  nav.links .btn{display:none}
  .menu-btn{display:inline-flex}
  .flow-track{grid-template-columns:1fr;gap:0}
  .flow-track{display:flex;flex-direction:column;gap:2px}
  .step{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
  .step .dot{margin-bottom:0}
  .step .bar{display:none}
  .step .st{margin-top:0}
  .pain-grid{grid-template-columns:1fr}
  .ben-grid{grid-template-columns:1fr}
  .sec{padding:78px 0}
}
.menu-btn{background:transparent;border:1px solid var(--line);width:42px;height:42px;border-radius:2px;align-items:center;justify-content:center;cursor:pointer}
.menu-btn span{width:16px;height:1.5px;background:var(--ink);position:relative;display:block}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink)}
.menu-btn span::before{top:-5px}.menu-btn span::after{top:5px}

/* ---------- mobile menu (burger) ---------- */
@media(max-width:680px){
  /* dropdown panel built from the existing nav links */
  nav.links{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    padding:6px 20px 18px;
    box-shadow:0 26px 40px -28px rgba(22,17,13,.45);
    display:none;
  }
  header.nav.menu-open{
    background:rgba(247,244,239,.96);
    backdrop-filter:blur(14px) saturate(1.1);
    border-bottom-color:transparent;
  }
  header.nav.menu-open nav.links{display:flex}
  header.nav.menu-open nav.links a{
    display:block;font-size:16px;color:var(--ink);
    padding:15px 2px;border-bottom:1px solid var(--line);
  }
  header.nav.menu-open nav.links .btn,
  header.nav.menu-open nav.links a.btn{
    display:inline-flex;justify-content:center;
    margin-top:16px;padding:14px 22px;border-bottom:none;color:#fff;
  }
  /* burger -> X */
  header.nav.menu-open .menu-btn span{background:transparent}
  header.nav.menu-open .menu-btn span::before{top:0;transform:rotate(45deg)}
  header.nav.menu-open .menu-btn span::after{top:0;transform:rotate(-45deg)}
}