/* ============================================================
   Cédric Debacq — système visuel partagé
   Palette carnet de trail : nuit topographique, encre rouille,
   accents mousse. Fraunces (récit) / Work Sans (lecture) /
   IBM Plex Mono (données, terrain).
   ============================================================ */

:root{
  --stone-900:#14171a;
  --stone-800:#1c2023;
  --stone-700:#2a2f33;
  --paper:#ece8e1;
  --paper-dim:#8b8d89;
  --rust:#e2672d;
  --rust-dim:#7a3c22;
  --moss:#7c9473;
  --line:#3a3f42;
  --radius:2px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}
body{
  margin:0;
  background:var(--stone-900);
  color:var(--paper);
  font-family:'Work Sans', sans-serif;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Fraunces', serif;
  font-weight:500;
  margin:0;
  letter-spacing:-0.01em;
}
.mono{font-family:'IBM Plex Mono', monospace;}
a{color:inherit;}
:focus-visible{outline:2px solid var(--rust); outline-offset:3px;}
.wrap{max-width:1080px; margin:0 auto; padding:0 clamp(20px,5vw,56px);}
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.72rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--rust);
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{content:""; width:18px; height:1px; background:var(--rust); display:inline-block;}

/* ---------- header / nav ---------- */
header{
  position:sticky; top:0; z-index:20;
  background:rgba(20,23,26,0.86);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex; align-items:center; justify-content:space-between; padding:16px clamp(20px,5vw,56px); gap:20px;}
.brand{font-family:'Fraunces', serif; font-size:1.05rem; font-weight:500; text-decoration:none; white-space:nowrap;}
.brand span{color:var(--rust);}
.nav-links{display:flex; align-items:center; gap:26px; flex-wrap:wrap;}
.nav-links a{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.76rem;
  text-decoration:none;
  color:var(--paper-dim);
  letter-spacing:0.03em;
  padding:4px 0;
  border-bottom:1px solid transparent;
  transition:color .2s, border-color .2s;
}
.nav-links a:hover{color:var(--paper);}
.nav-links a.active{color:var(--rust); border-color:var(--rust);}
.nav a.cta{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
  text-decoration:none;
  border:1px solid var(--paper-dim);
  padding:8px 16px;
  border-radius:var(--radius);
  transition:border-color .2s, color .2s;
  white-space:nowrap;
}
.nav a.cta:hover{border-color:var(--rust); color:var(--rust);}

/* ---------- hero (shared shape, per-page contour) ---------- */
.hero{position:relative; padding:clamp(64px,10vw,120px) 0 40px; overflow:hidden;}
.hero .wrap{position:relative; z-index:2;}
.contour-wrap{position:absolute; inset:0; z-index:1; display:flex; align-items:flex-end; opacity:0.9;}
.contour-wrap svg{width:100%; height:auto; display:block;}
.contour-line{fill:none; stroke:var(--line); stroke-width:1.4;}
.contour-line.accent{
  stroke:var(--rust);
  stroke-dasharray:1400;
  stroke-dashoffset:1400;
  animation:draw 2.6s ease-out forwards 0.2s;
}
@keyframes draw{ to{ stroke-dashoffset:0; } }

.hero h1{font-size:clamp(2.2rem, 5.4vw, 4rem); line-height:1.04; margin:20px 0 22px;}
.hero h1 em{font-style:italic; color:var(--rust);}
.hero p.lede{max-width:640px; font-size:1.08rem; color:#cfcbc2; margin-bottom:30px;}
.hero .meta-line{font-family:'IBM Plex Mono', monospace; font-size:0.82rem; color:var(--paper-dim); margin-bottom:34px; letter-spacing:0.02em;}
.hero-ctas{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:56px;}
.btn{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.82rem;
  text-decoration:none;
  padding:13px 22px;
  border-radius:var(--radius);
  display:inline-flex; align-items:center; gap:8px;
  transition:transform .15s ease, background .2s, color .2s, border-color .2s;
  border:1px solid transparent;
  cursor:pointer;
}
.btn-primary{background:var(--rust); color:var(--stone-900);}
.btn-primary:hover{transform:translateY(-1px); background:#f0793c;}
.btn-ghost{border-color:var(--paper-dim); color:var(--paper);}
.btn-ghost:hover{border-color:var(--paper); transform:translateY(-1px);}

/* running stones tracker */
.stones{display:flex; flex-direction:column; gap:12px; padding-top:22px; border-top:1px solid var(--line);}
.stones-row{display:flex; gap:7px; flex-wrap:wrap;}
.stone{width:16px; height:16px; background:transparent; border:1px solid var(--paper-dim); transform:rotate(45deg);}
.stone.filled{background:var(--rust); border-color:var(--rust); box-shadow:0 0 10px 1px rgba(226,103,45,0.55);}
.stones-label{font-family:'IBM Plex Mono', monospace; font-size:0.76rem; color:var(--paper-dim);}
.stones-label b{color:var(--paper); font-weight:500;}

/* hero stat row */
.stat-row{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); margin-top:44px; border:1px solid var(--line);}
.stat-cell{background:var(--stone-900); padding:22px 18px;}
.stat-cell .num{font-family:'IBM Plex Mono', monospace; font-size:clamp(1.5rem,3vw,2.1rem); color:var(--paper);}
.stat-cell .label{font-size:0.8rem; color:var(--paper-dim); margin-top:6px;}
@media (max-width:640px){ .stat-row{grid-template-columns:1fr;} }

/* ---------- sections ---------- */
section{padding:clamp(56px,9vw,96px) 0; border-bottom:1px solid var(--line);}
.sec-head{display:grid; grid-template-columns:100px 1fr; gap:24px; margin-bottom:38px; align-items:baseline;}
.sec-num{font-family:'IBM Plex Mono', monospace; font-size:0.85rem; color:var(--rust);}
.sec-head h2{font-size:clamp(1.5rem,3vw,2.1rem);}
@media (max-width:640px){ .sec-head{grid-template-columns:1fr; gap:8px;} }

.reveal{opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1; transform:none;}

.lede-block{max-width:700px; color:#cfcbc2; margin-bottom:28px;}
.lede-block:last-child{margin-bottom:0;}

/* bio / two-column card */
.bio-card{display:grid; grid-template-columns:1fr 1.6fr; gap:36px; border:1px solid var(--line); padding:26px;}
@media (max-width:760px){ .bio-card{grid-template-columns:1fr;} }
.bio-card .who{font-family:'IBM Plex Mono', monospace; font-size:0.78rem; color:var(--paper-dim);}
.bio-card .who b{color:var(--moss); display:block; font-size:0.85rem; margin-bottom:8px;}
.before-after{display:flex; align-items:center; gap:16px; flex-wrap:wrap; font-family:'Fraunces', serif; font-size:1.3rem; margin-top:10px;}
.before-after .arrow{color:var(--rust);}
.before-after span.small{font-family:'Work Sans', sans-serif; font-size:0.95rem; color:#cfcbc2;}

/* ingredient / 3-up cards */
.cards-3{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
@media (max-width:820px){ .cards-3{grid-template-columns:1fr;} }
.card{background:var(--stone-900); padding:26px 24px;}
.card .idx{font-family:'IBM Plex Mono', monospace; color:var(--rust); font-size:0.8rem; margin-bottom:12px; display:block;}
.card h3{font-size:1.08rem; margin-bottom:10px; font-weight:500;}
.card p{color:#c9c5bc; font-size:0.94rem; margin:0;}

/* skeleton / numbered list */
.skeleton{counter-reset:step; border-left:1px solid var(--line); margin-left:8px;}
.skeleton .step{position:relative; padding:0 0 30px 34px;}
.skeleton .step:last-child{padding-bottom:0;}
.skeleton .step::before{
  counter-increment:step; content:counter(step);
  font-family:'IBM Plex Mono', monospace;
  position:absolute; left:-14px; top:0;
  width:27px; height:27px;
  background:var(--stone-900); border:1px solid var(--rust); color:var(--rust);
  border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:0.78rem;
}
.skeleton h3{font-size:1.02rem; margin-bottom:6px; font-weight:500;}
.skeleton p{color:#c9c5bc; font-size:0.94rem; margin:0;}

.example-card{margin-top:36px; border:1px solid var(--line); padding:26px;}
.example-card .tag{font-family:'IBM Plex Mono', monospace; font-size:0.72rem; color:var(--moss); text-transform:uppercase; letter-spacing:0.1em;}
.example-card blockquote{
  font-family:'Fraunces', serif; font-style:italic; font-size:1.15rem; line-height:1.5; color:var(--paper);
  margin:14px 0 0; border-left:2px solid var(--rust); padding-left:18px;
}
.example-card .note{margin-top:16px; color:#c9c5bc; font-size:0.92rem;}

/* split / callout */
.split{display:grid; grid-template-columns:1fr 1fr; gap:44px;}
@media (max-width:820px){ .split{grid-template-columns:1fr;} }
.callout{border:1px solid var(--line); padding:22px;}
.callout .num-row{display:flex; gap:28px; margin:14px 0;}
.callout .num-row .n{font-family:'IBM Plex Mono', monospace; font-size:1.5rem; color:var(--rust);}
.callout .num-row .l{font-size:0.78rem; color:var(--paper-dim);}
.chip-label{font-family:'IBM Plex Mono', monospace; font-size:0.72rem; color:var(--moss); text-transform:uppercase; letter-spacing:0.1em; margin-bottom:10px;}

.bars{display:flex; flex-direction:column; gap:10px; margin-top:10px;}
.bar-row{display:grid; grid-template-columns:110px 1fr 48px; align-items:center; gap:10px;}
.bar-row .name{font-size:0.8rem; color:#cfcbc2;}
.bar-track{background:var(--stone-700); height:10px; position:relative;}
.bar-fill{height:100%; background:var(--rust);}
.bar-row .pct{font-family:'IBM Plex Mono', monospace; font-size:0.78rem; color:var(--paper-dim); text-align:right;}

/* formats / 4-up grid */
.formats{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
@media (max-width:820px){ .formats{grid-template-columns:repeat(2,1fr);} }
@media (max-width:480px){ .formats{grid-template-columns:1fr;} }
.format-cell{background:var(--stone-900); padding:22px 20px;}
.format-cell .plat{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--rust); text-transform:uppercase; letter-spacing:0.08em;}
.format-cell h3{font-size:1rem; margin:10px 0 8px; font-weight:500;}
.format-cell p{font-size:0.86rem; color:#c9c5bc; margin:0;}

/* press */
.press-count{display:flex; gap:40px; margin-bottom:28px; flex-wrap:wrap;}
.press-count .n{font-family:'IBM Plex Mono', monospace; font-size:2rem; color:var(--paper);}
.press-count .l{font-size:0.8rem; color:var(--paper-dim);}
.chip-group{display:flex; flex-direction:column; gap:20px;}
.chips{display:flex; flex-wrap:wrap; gap:10px;}
.chip{font-size:0.84rem; border:1px solid var(--line); padding:9px 14px; text-decoration:none; color:#dcd8cf; transition:border-color .2s, color .2s; display:inline-block;}
.chip:hover{border-color:var(--rust); color:var(--rust);}

/* method / 3-step */
.method-steps{display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-bottom:40px;}
@media (max-width:820px){ .method-steps{grid-template-columns:1fr;} }
.method-step{border-top:2px solid var(--rust); padding-top:16px;}
.method-step .idx{font-family:'IBM Plex Mono', monospace; color:var(--paper-dim); font-size:0.78rem;}
.method-step p{font-size:0.95rem; color:#cfcbc2; margin-top:8px;}

.closing-quote{font-family:'Fraunces', serif; font-style:italic; font-size:clamp(1.2rem,2.4vw,1.6rem); max-width:760px; line-height:1.5; color:var(--paper); margin:0 0 40px;}

.final-cta{text-align:center; padding:60px 24px; border:1px solid var(--line);}
.final-cta h2{font-size:clamp(1.6rem,3.4vw,2.4rem); margin-bottom:16px;}
.final-cta p{color:#c9c5bc; margin-bottom:28px;}
.final-cta .btn-row{display:flex; gap:14px; justify-content:center; flex-wrap:wrap;}

/* ---------- kit média : plateformes & tableau ---------- */
.platform-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
@media (max-width:820px){ .platform-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:480px){ .platform-grid{grid-template-columns:1fr;} }
.platform-cell{background:var(--stone-900); padding:24px 20px;}
.platform-cell .plat{font-family:'IBM Plex Mono', monospace; font-size:0.72rem; color:var(--rust); text-transform:uppercase; letter-spacing:0.08em;}
.platform-cell .handle{font-size:0.82rem; color:var(--paper-dim); margin:4px 0 14px;}
.platform-cell .n{font-family:'IBM Plex Mono', monospace; font-size:1.7rem; color:var(--paper); display:block;}
.platform-cell .sub{font-size:0.78rem; color:var(--paper-dim); margin-top:4px;}
.platform-cell .demo{font-size:0.78rem; color:#c9c5bc; margin-top:14px; padding-top:14px; border-top:1px solid var(--line);}
.platform-cell .demo b{color:var(--moss); display:block; font-size:0.68rem; text-transform:uppercase; letter-spacing:0.08em; margin-bottom:4px; font-family:'IBM Plex Mono', monospace;}

.kpi-table{width:100%; border-collapse:collapse; margin-top:6px;}
.kpi-table th, .kpi-table td{ text-align:left; padding:14px 16px; border-bottom:1px solid var(--line); font-size:0.9rem;}
.kpi-table th{font-family:'IBM Plex Mono', monospace; font-size:0.72rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--paper-dim); font-weight:500;}
.kpi-table td.evo{color:var(--moss); font-family:'IBM Plex Mono', monospace;}
.kpi-table tr:last-child td{border-bottom:none;}
.kpi-table{border:1px solid var(--line);}
.kpi-table td, .kpi-table th{border-right:1px solid var(--line);}
.kpi-table td:last-child, .kpi-table th:last-child{border-right:none;}

.moment-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:6px;}
@media (max-width:820px){ .moment-grid{grid-template-columns:1fr;} }
.moment-cell{background:var(--stone-900); padding:24px;}
.moment-cell .glyph{font-size:1.4rem; margin-bottom:12px; display:block;}
.moment-cell h3{font-size:1rem; margin-bottom:6px; font-weight:500;}
.moment-cell p{font-size:0.86rem; color:#c9c5bc; margin:0 0 10px;}
.moment-cell .when{font-family:'IBM Plex Mono', monospace; font-size:0.74rem; color:var(--rust);}

.reason-list{display:flex; flex-direction:column; gap:0; border-top:1px solid var(--line);}
.reason-row{display:grid; grid-template-columns:56px 1fr; gap:18px; padding:20px 0; border-bottom:1px solid var(--line);}
.reason-row .n{font-family:'IBM Plex Mono', monospace; color:var(--rust); font-size:0.9rem;}
.reason-row p{margin:0; color:#cfcbc2; font-size:0.95rem;}

.testi-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:36px;}
@media (max-width:760px){ .testi-grid{grid-template-columns:1fr;} }
.testi-cell{background:var(--stone-900); padding:22px 24px;}
.testi-cell blockquote{font-family:'Fraunces', serif; font-style:italic; font-size:1.02rem; margin:0 0 10px; color:var(--paper); line-height:1.5;}
.testi-cell cite{font-family:'IBM Plex Mono', monospace; font-size:0.72rem; color:var(--paper-dim); font-style:normal;}

.door-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
@media (max-width:820px){ .door-grid{grid-template-columns:1fr;} }
.door-cell{background:var(--stone-900); padding:28px 24px; display:flex; flex-direction:column; gap:14px;}
.door-cell .idx{font-family:'IBM Plex Mono', monospace; color:var(--paper-dim); font-size:0.76rem;}
.door-cell h3{font-size:1.08rem; font-weight:500;}
.door-cell p{font-size:0.9rem; color:#c9c5bc; margin:0; flex-grow:1;}
.door-cell .btn{align-self:flex-start;}

/* ---------- à propos : entretien façon carnet de rédaction ---------- */
.interview{border-left:2px solid var(--line); margin-left:6px;}
.qa{padding:0 0 34px 28px; position:relative;}
.qa:last-child{padding-bottom:0;}
.qa::before{
  content:"";
  position:absolute; left:-6px; top:4px;
  width:9px; height:9px; border-radius:50%;
  background:var(--rust);
}
.qa .q{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
  color:var(--rust);
  text-transform:uppercase;
  letter-spacing:0.06em;
  margin-bottom:10px;
}
.qa .a{font-size:1rem; color:#dcd8cf; max-width:680px;}
.qa .a p{margin:0 0 14px;}
.qa .a p:last-child{margin-bottom:0;}
.qa .a em.mark{
  font-style:italic; color:var(--paper);
  background:linear-gradient(to right, rgba(226,103,45,0.16), rgba(226,103,45,0));
  padding:0 4px;
}

.pull-quote{
  font-family:'Fraunces', serif; font-style:italic;
  font-size:clamp(1.3rem,2.6vw,1.8rem); line-height:1.45; color:var(--paper);
  max-width:760px; margin:0 0 8px;
  border-left:3px solid var(--rust); padding-left:22px;
}
.pull-quote-src{font-family:'IBM Plex Mono', monospace; font-size:0.74rem; color:var(--paper-dim); padding-left:25px;}

.proof-strip{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
@media (max-width:820px){ .proof-strip{grid-template-columns:1fr;} }
.proof-cell{background:var(--stone-900); padding:22px 20px;}
.proof-cell .n{font-family:'IBM Plex Mono', monospace; color:var(--rust); font-size:1.15rem; display:block; margin-bottom:6px;}
.proof-cell p{margin:0; font-size:0.88rem; color:#c9c5bc;}

.value-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
@media (max-width:760px){ .value-grid{grid-template-columns:1fr;} }
.value-cell{background:var(--stone-900); padding:24px;}
.value-cell h3{font-size:1rem; margin-bottom:8px; font-weight:500;}
.value-cell p{font-size:0.9rem; color:#c9c5bc; margin:0;}

/* ---------- footer ---------- */
footer{padding:40px clamp(20px,5vw,56px) 30px;}
.foot-grid{display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; padding-bottom:24px; border-bottom:1px solid var(--line);}
.foot-grid .brand{margin-bottom:8px; display:block;}
.foot-links{display:flex; gap:18px; flex-wrap:wrap; font-size:0.86rem;}
.foot-links a{text-decoration:none; color:#cfcbc2;}
.foot-links a:hover{color:var(--rust);}
.foot-bottom{display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; padding-top:18px; font-family:'IBM Plex Mono', monospace; font-size:0.72rem; color:var(--paper-dim);}