/* ===== Cairn Concept – landing ===== */
:root{
  --blue:#5167c4; --purple:#b24ba6; --red:#f22534; --olive:#a0aa3d; --brown:#5f4c3f; --orange:#f8b334;
  --ink:#2e241d; --muted:#6f6359; --bg:#faf7f1; --card:#fff; --line:#e8e0d3;
  --dark:#2e241d; --r:22px;
  --f-title:'Bricolage Grotesque',system-ui,sans-serif;
  --f-body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--f-body);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--f-title);line-height:1.1;margin:0;letter-spacing:-.02em}
p{margin:0}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}
.narrow{max-width:760px}
.center{text-align:center}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 14px;border-radius:8px;z-index:100}

/* ----- boutons ----- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 1rem var(--f-body);padding:14px 26px;border-radius:999px;border:2px solid transparent;text-decoration:none;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.btn:focus-visible,.nav a:focus-visible,input:focus-visible,textarea:focus-visible,.burger:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px -8px rgba(81,103,196,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 24px -8px rgba(81,103,196,.8);background:#4559b0}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-small{padding:9px 18px;font-size:.92rem}
.btn-block{width:100%}
.btn[disabled]{opacity:.65;cursor:progress}

/* ----- en-tête ----- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,247,241,.88);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 6px 24px -16px rgba(46,36,29,.4)}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 1.25rem var(--f-title);letter-spacing:-.02em}
.nav{display:flex;align-items:center;gap:26px}
.nav a{text-decoration:none;font-weight:500;font-size:.95rem;position:relative}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--orange);transition:width .25s}
.nav a:not(.btn):hover::after{width:100%}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;padding:10px}
.burger span{display:block;height:3px;background:var(--ink);border-radius:2px;margin:5px 0;transition:transform .3s,opacity .3s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ----- galets décoratifs ----- */
.pebble{position:absolute;display:block;pointer-events:none;border-radius:60% 40% 55% 45% / 55% 60% 40% 45%;opacity:.9;will-change:transform}
.p-blue{background:var(--blue);width:140px;height:76px;right:6%;top:50px;transform:rotate(-8deg)}
.p-orange{background:var(--orange);width:92px;height:54px;left:44%;bottom:34px;transform:rotate(12deg)}
.p-purple{background:var(--purple);width:70px;height:42px;right:2%;bottom:30px;transform:rotate(-14deg)}
.p-olive{background:var(--olive);width:180px;height:90px;left:-50px;top:40px;opacity:.25}

/* ----- hero ----- */
.hero{position:relative;padding:64px 0 90px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative}
.eyebrow{font:600 .8rem var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:16px}
.eyebrow.light{color:var(--orange)}
.hero h1{font-size:clamp(2.3rem,5.2vw,4rem);font-weight:800}
.hero h1 em{font-style:normal;background:linear-gradient(transparent 62%,rgba(248,179,52,.55) 62%);}
.lead{font-size:1.15rem;color:var(--muted);margin-top:20px;max-width:58ch}
.center .lead{margin-inline:auto}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

.hero-visual{position:relative}
.map-card{position:relative;background:#fff;border-radius:var(--r);border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(46,36,29,.35);padding:14px}
.route-svg{width:100%;height:auto;display:block;border-radius:14px;background:#f4efe4}
.route-ghost{fill:none;stroke:#d9cfbd;stroke-width:6;stroke-linecap:round}
.route-line{fill:none;stroke:var(--red);stroke-width:6;stroke-linecap:round;stroke-dasharray:var(--len,900);stroke-dashoffset:var(--len,900)}
.start{fill:var(--olive);stroke:#fff;stroke-width:3}
.cp circle{fill:var(--blue);stroke:#fff;stroke-width:3}
.cp text{fill:#fff;font:700 8px var(--f-body)}
.cp{opacity:0;transform-origin:center;transform-box:fill-box;transform:scale(.3);transition:opacity .4s,transform .5s cubic-bezier(.3,1.6,.5,1)}
.route-on .cp{opacity:1;transform:scale(1)}
.route-on .cp1{transition-delay:.9s}.route-on .cp2{transition-delay:1.5s}.route-on .cp3{transition-delay:2.1s}
.route-on .route-line{stroke-dashoffset:0;transition:stroke-dashoffset 2.4s cubic-bezier(.5,.1,.3,1)}
.float-chip{position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;padding:9px 14px;font-size:.82rem;box-shadow:0 14px 30px -14px rgba(46,36,29,.4);white-space:nowrap;animation:bob 6s ease-in-out infinite}
.chip-a{left:-26px;top:38%}
.chip-b{right:-14px;top:12%;animation-delay:-2s}
.chip-c{right:20px;bottom:-16px;animation-delay:-4s}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px}
.dot.ok{background:var(--olive)}.dot.warn{background:var(--red)}
@keyframes bob{50%{transform:translateY(-8px)}}

/* ----- bandeau chiffres ----- */
.band{background:var(--dark);color:#fff}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:38px 0}
.band-grid>div{display:flex;flex-direction:column;gap:6px;text-align:center}
.band-grid strong{font:800 clamp(2rem,4vw,3rem) var(--f-title);color:var(--orange);line-height:1}
.band-grid small{font-size:.55em}
.band-grid>div>span{font-size:.9rem;color:#d9cfbd}

/* ----- sections ----- */
.section{padding:96px 0;position:relative}
.section h2{font-size:clamp(1.8rem,3.6vw,2.8rem);font-weight:800}
.section-head{margin-bottom:60px}
.section-head h2{max-width:20ch;margin-inline:auto}
.intro{padding-bottom:20px}

/* ----- fonctionnalités ----- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:96px}
.feature.flip .feature-text{order:2}
.feature h3{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;margin:14px 0}
.feature p{color:var(--muted)}
.tag{display:inline-block;padding:5px 14px;border-radius:999px;font:600 .8rem var(--f-body);color:#fff}
.t-blue{background:var(--blue)}.t-olive{background:var(--olive)}.t-orange{background:var(--orange);color:var(--ink)}.t-red{background:var(--red)}.t-purple{background:var(--purple)}
.ticks{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px}
.ticks li{position:relative;padding-left:32px}
.ticks li::before{content:"";position:absolute;left:0;top:.35em;width:18px;height:11px;border-radius:50% 40% 50% 40%;background:var(--olive);transform:rotate(-10deg)}
.ticks li:nth-child(2n)::before{background:var(--orange)}
.ticks li:nth-child(3n)::before{background:var(--blue)}

/* ----- maquettes ----- */
.mock{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:0 30px 60px -34px rgba(46,36,29,.45);overflow:hidden;transition:transform .5s}
.feature-visual:hover .mock{transform:translateY(-6px) rotate(-.5deg)}
.mock-bar{display:flex;align-items:center;gap:6px;padding:12px 16px;background:#f4efe4;border-bottom:1px solid var(--line)}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:#d9cfbd}
.mock-bar i:nth-child(1){background:var(--red)}.mock-bar i:nth-child(2){background:var(--orange)}.mock-bar i:nth-child(3){background:var(--olive)}
.mock-bar span{margin-left:10px;font:600 .8rem var(--f-body);color:var(--muted)}
/* gantt */
.g-axis{display:flex;justify-content:space-between;padding:10px 16px 6px 104px;font-size:.7rem;color:var(--muted)}
.g-body{position:relative;padding:4px 16px 18px}
.g-row{display:flex;align-items:center;gap:10px;margin:8px 0}
.g-row b{flex:0 0 78px;font-size:.78rem}
.g-row b.vac{color:var(--red)}
.g-track{position:relative;flex:1;height:30px;background:repeating-linear-gradient(90deg,#f4efe4 0 1px,transparent 1px 25%);border-radius:8px}
.gb{position:absolute;top:3px;bottom:3px;border-radius:8px;font:600 .68rem var(--f-body);color:#fff;display:flex;align-items:center;padding:0 8px;white-space:nowrap;overflow:hidden;font-style:normal;transform-origin:left;transform:scaleX(0);transition:transform .9s cubic-bezier(.3,.8,.3,1)}
.in .gb{transform:scaleX(1)}
.in .g-row:nth-child(4) .gb{transition-delay:.5s}.in .g-row:nth-child(5) .gb{transition-delay:.7s}.in .g-row:nth-child(6) .gb{transition-delay:.9s}
.c-blue{background:var(--blue)}.c-olive{background:var(--olive)}.c-orange{background:var(--orange);color:var(--ink)}.c-purple{background:var(--purple)}.c-red{background:repeating-linear-gradient(135deg,var(--red) 0 8px,#d71b2a 8px 16px)}
.g-vline{position:absolute;top:0;bottom:8px;width:0;border-left:2px dashed var(--brown);left:0;margin-left:94px}
.g-vline em{position:absolute;top:-2px;left:4px;font:600 .6rem var(--f-body);color:var(--brown);white-space:nowrap;font-style:normal;background:#fff;padding:0 3px}
.g-vline.v2{border-color:var(--blue)}.g-vline.v2 em{color:var(--blue)}
/* route */
.mr-body{padding:16px}
.mini-route{width:100%;height:auto;background:#f4efe4;border-radius:12px}
.mr-line{fill:none;stroke:var(--red);stroke-width:4;stroke-linecap:round;stroke-dasharray:300;stroke-dashoffset:300;transition:stroke-dashoffset 1.6s ease}
.in .mr-line{stroke-dashoffset:0}
.mr-pin{fill:var(--blue);stroke:#fff;stroke-width:3}
.mr-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:.85rem}
.mr-table th{text-align:left;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:6px 4px;border-bottom:1px solid var(--line)}
.mr-table td{padding:8px 4px;border-bottom:1px solid #f1ebdf}
.sw{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:8px}
/* liste matériel */
.mock-list ul{list-style:none;margin:0;padding:8px 16px 16px}
.mock-list li{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid #f1ebdf;font-size:.92rem}
.q{padding:2px 12px;border-radius:999px;font-size:.78rem}
.q.ok{background:#e9ecc4;color:#555c14}.q.mid{background:#fdebc4;color:#7a5200}.q.low{background:#fcd3d6;color:#a0111c}
/* dossards */
.bibs{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;padding:18px}
.bibs span{display:flex;align-items:center;justify-content:space-between;gap:4px;border:1.5px solid var(--ink);border-radius:8px;padding:8px 8px;font:700 .85rem var(--f-title)}
.bibs i{width:14px;height:14px;border:1.5px solid var(--ink);border-radius:3px;position:relative;flex:none}
.bibs .chk{background:#f4efe4;color:var(--muted);border-color:#c9bfae}
.bibs .chk i{background:var(--olive);border-color:var(--olive)}
.bibs .chk i::after{content:"";position:absolute;left:3px;top:0;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
/* docs */
.mock-docs{display:flex;gap:24px;padding:28px;align-items:center;justify-content:center;background:#f4efe4}
.doc{flex:1;max-width:220px;background:#fff;border-radius:10px;padding:18px;box-shadow:0 10px 24px -12px rgba(46,36,29,.4);transform:rotate(-3deg)}
.doc-h{height:14px;width:60%;background:var(--purple);border-radius:4px;margin-bottom:16px}
.doc-l{height:7px;background:#e0d8c9;border-radius:4px;margin:9px 0}
.w80{width:80%}.w60{width:60%}.w70{width:70%}.w50{width:50%}
.qr{background:#fff;padding:14px;border-radius:12px;text-align:center;width:150px;box-shadow:0 10px 24px -12px rgba(46,36,29,.4);transform:rotate(3deg);font-size:.7rem;color:var(--muted)}
.qr svg{width:100%;height:auto;margin-bottom:6px}

/* ----- méthode ----- */
.dark{background:var(--dark);color:#fff;overflow:hidden}
.dark .lead{color:#d9cfbd}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1}
.steps li{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);padding:28px 24px;transition:transform .3s,background .3s}
.steps li:hover{transform:translateY(-6px);background:rgba(255,255,255,.09)}
.steps h3{font-size:1.25rem;margin:18px 0 8px}
.steps p{color:#d9cfbd;font-size:.95rem}
.num{display:grid;place-items:center;width:52px;height:38px;font:800 1.3rem var(--f-title);color:#fff;border-radius:60% 40% 55% 45% / 55% 60% 40% 45%}
.num.c-orange{color:var(--ink)}
.steps-path{position:absolute;left:0;right:0;top:46%;width:100%;height:40px;opacity:.15;z-index:0}
.steps-path path{fill:none;stroke:#fff;stroke-width:3;stroke-dasharray:8 10}

/* ----- aperçu ----- */
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.shot{margin:0}
.shot-frame{background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:0 24px 50px -30px rgba(46,36,29,.45);transition:transform .4s}
.shot:hover .shot-frame{transform:translateY(-6px)}
.shot-frame img{border-radius:10px;width:100%}
.shot-empty{aspect-ratio:16/10;border-radius:10px;border:2px dashed #cfc4b0;display:grid;place-items:center;background:repeating-linear-gradient(135deg,#faf7f1 0 14px,#f4efe4 14px 28px);color:var(--muted);font-size:.85rem}
.shot figcaption{margin-top:12px;text-align:center;font-weight:600;font-size:.95rem}

/* ----- contact ----- */
.contact{background:#f1ebdf;overflow:hidden}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start;position:relative}
.contact-list{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:14px}
.contact-list b{display:block;font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.contact-list a{font-weight:600;text-decoration-color:var(--orange);text-decoration-thickness:3px;text-underline-offset:4px}
.form{background:#fff;border-radius:var(--r);padding:32px;box-shadow:0 30px 60px -34px rgba(46,36,29,.45);display:grid;gap:18px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form label{display:grid;gap:6px;font-weight:600;font-size:.88rem}
.form input[type=text],.form input[type=email],.form textarea{font:400 1rem var(--f-body);padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fdfcf9;color:var(--ink);width:100%;transition:border-color .2s,box-shadow .2s}
.form input:focus,.form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(81,103,196,.15);outline:0}
.form .invalid{border-color:var(--red)!important}
.form .check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.85rem;color:var(--muted)}
.form .check input{margin-top:4px;width:18px;height:18px;accent-color:var(--blue);flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{font-size:.92rem;min-height:1.4em;text-align:center}
.form-msg.ok{color:#555c14;font-weight:600}.form-msg.err{color:var(--red);font-weight:600}

/* ----- pied de page ----- */
.site-footer{background:var(--dark);color:#d9cfbd;padding:48px 0}
.foot{display:grid;gap:12px;justify-items:center;text-align:center}
.site-footer .brand{color:#fff}
.small{font-size:.82rem;opacity:.8}
.small a{text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3)}

/* ----- révélation au défilement ----- */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal[data-d="1"]{transition-delay:.12s}.js .reveal[data-d="2"]{transition-delay:.24s}.js .reveal[data-d="3"]{transition-delay:.36s}
.js .reveal.in{opacity:1;transform:none}

/* ----- responsive ----- */
@media (max-width:980px){
  .hero-grid,.feature,.contact-grid{grid-template-columns:1fr}
  .feature{gap:32px;margin-bottom:72px}
  .feature.flip .feature-text{order:0}
  .steps{grid-template-columns:1fr 1fr}
  .steps-path{display:none}
  .shots{grid-template-columns:1fr}
  .band-grid{grid-template-columns:1fr 1fr}
  .chip-a{left:8px}.chip-b{right:8px}
}
@media (max-width:760px){
  .burger{display:block}
  .nav{position:fixed;inset:72px 0 auto 0;background:var(--bg);flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 24px;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px rgba(46,36,29,.4);transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:14px 4px;border-bottom:1px solid var(--line)}
  .nav a.btn{margin-top:14px;border:0;justify-content:center}
  .section{padding:68px 0}
  .hero{padding:36px 0 70px}
  .steps{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .form{padding:22px}
  .bibs{grid-template-columns:repeat(3,1fr)}
  .mock-docs{flex-direction:column;gap:20px}
  .pebble.p-blue{width:90px;height:50px;top:10px}
  .chip-c{right:10px}
  .g-body{padding-bottom:12px}
  .g-axis{padding-left:96px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
  .route-line{stroke-dashoffset:0}.cp{opacity:1;transform:none}
  .gb{transform:none}.mr-line{stroke-dashoffset:0}
}