/* PRO BUY MK – probuycenter.com */
:root{
  --teal:#005b5b;
  --teal-deep:#004444;
  --teal-bright:#00a09c;
  --orange:#ffb450;
  --slate:#2f3e46;
  --mist:#e6efef;
  --paper:#ffffff;
  --muted:#5c6b72;
  --line:#d3e0e0;
  --wrap:1180px;
  --pad:clamp(20px,5vw,48px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:"Poppins",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--slate);background:var(--paper);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-weight:700;line-height:1.15;margin:0;color:var(--teal);letter-spacing:-.01em}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--orange);color:var(--teal-deep);padding:8px 14px;font-weight:600;z-index:100}
.skip:focus{left:8px}

/* Boutons */
.btn{display:inline-flex;align-items:center;gap:10px;font:600 15px/1 "Poppins",sans-serif;padding:15px 24px;border-radius:6px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn svg{width:18px;height:18px;flex:none}
.btn-orange{background:var(--orange);color:var(--teal-deep)}
.btn-orange:hover{background:#ffc570}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-deep)}

/* En-tête */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.top .logo img{height:44px;width:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav a{text-decoration:none;font-size:15px;font-weight:500}
.nav a:not(.btn){color:var(--slate)}
.nav a:not(.btn):hover{color:var(--teal-bright)}
.nav .btn{padding:11px 18px;font-size:14px}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--teal)}
.burger svg{width:28px;height:28px}

/* Hero */
.hero{background:var(--teal);color:#fff;position:relative;overflow:hidden;padding:0}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 20% 0%,rgba(0,160,156,.45),transparent 60%);pointer-events:none}
.hero .wrap{position:relative;padding-top:clamp(64px,8vw,104px);padding-bottom:clamp(64px,8vw,104px)}
.hero-text{max-width:min(540px,46%)}
.hero h1{color:#fff;font-size:clamp(40px,5vw,64px);letter-spacing:-.025em;line-height:1.05}
.hero h1 .accent{color:var(--orange)}
.hero .lead{margin-top:24px;font-size:clamp(17px,1.5vw,19px);font-weight:300;max-width:36ch;color:rgba(255,255,255,.88)}
.hero .ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-photo{position:absolute;top:0;right:0;bottom:0;width:48%;border-left:5px solid var(--orange)}
.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:62% center}
.hero .reassure{margin-top:28px;font-size:14px;color:rgba(255,255,255,.7)}

/* Chaîne */
.chain{background:var(--teal-deep);color:#fff}
.chain ol{list-style:none;margin:0 auto;padding:22px var(--pad);max-width:var(--wrap);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px 20px;font-weight:500;font-size:clamp(15px,1.6vw,19px);letter-spacing:.02em}
.chain li{display:flex;align-items:center;gap:20px}
.chain li:not(:last-child)::after{content:"";width:0;height:0;border-left:8px solid var(--orange);border-top:5px solid transparent;border-bottom:5px solid transparent}

/* Sections */
section{padding:clamp(72px,9vw,112px) 0}
.kicker{font-size:14px;font-weight:600;color:var(--teal-bright);margin-bottom:12px}
.h2{font-size:clamp(30px,3.6vw,44px);max-width:22ch}
.intro{margin-top:18px;max-width:62ch;color:var(--muted)}
.intro strong{color:var(--teal);font-weight:600}

/* Valeur */
.values{display:grid;grid-template-columns:repeat(2,1fr);gap:0 64px;margin-top:56px}
.value{padding:28px 0;border-top:2px solid var(--mist)}
.value h3{font-size:21px;display:flex;align-items:center;gap:12px}
.value h3::before{content:"";width:12px;height:12px;background:var(--orange);transform:rotate(-20deg);flex:none}
.value p{margin-top:10px;color:var(--muted);max-width:46ch}

/* Services */
.services{background:var(--mist)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;margin-top:56px;background:var(--line);border:2px solid var(--line);border-radius:10px;overflow:hidden}
.svc{background:#fff;padding:32px 30px 36px}
.tag{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;padding:5px 10px;border-radius:3px;background:var(--teal);color:#fff}
.tag.o{background:var(--orange);color:var(--teal-deep)}
.svc h3{font-size:20px;margin-top:18px}
.svc p{margin-top:10px;color:var(--muted);font-size:15.5px}
.conditions{margin-top:40px;display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start;background:#fff;border-left:5px solid var(--orange);padding:28px 32px;border-radius:0 8px 8px 0}
.conditions svg{width:36px;height:36px;color:var(--teal)}
.conditions strong{color:var(--teal)}
.conditions p{max-width:70ch}

/* Méthode */
.steps-head{display:flex;justify-content:space-between;align-items:end;gap:32px;flex-wrap:wrap}
.track{margin-top:56px;position:relative}
.tabs{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);position:relative}
.tabs::before{content:"";position:absolute;left:10%;right:10%;top:27px;height:3px;background:var(--mist)}
.progress{position:absolute;left:10%;top:27px;height:3px;background:var(--orange);width:0;transition:width .45s ease}
.tabs button{all:unset;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:14px;width:100%;text-align:center;position:relative;z-index:1;padding-bottom:6px}
.tabs .dot{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:19px;background:#fff;color:var(--teal);border:3px solid var(--orange);transition:background .25s,color .25s}
.tabs .lbl{font-weight:600;font-size:15px;color:var(--slate);max-width:14ch;line-height:1.35}
.tabs button[aria-selected="true"] .dot,.tabs button.done .dot{background:var(--orange);color:var(--teal-deep)}
.tabs button[aria-selected="true"] .lbl{color:var(--teal)}
.tabs button:focus-visible .dot{outline:3px solid var(--teal-bright);outline-offset:3px}
.panel{margin-top:40px;background:var(--teal);color:#fff;border-radius:10px;padding:36px 40px;display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:center;min-height:150px}
.panel .n{font-size:72px;font-weight:700;line-height:1;color:var(--orange)}
.panel h3{color:#fff;font-size:24px}
.panel p{margin-top:8px;color:rgba(255,255,255,.85);max-width:62ch}
.panel[hidden]{display:none}
.tip{margin-top:24px;color:var(--muted)}
.tip strong{color:var(--teal)}

/* Catalogue et clients */
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.pills span{padding:10px 16px;border:1.5px solid var(--line);border-radius:999px;font-size:15px;font-weight:500;color:var(--teal)}
.clients{list-style:none;padding:0;margin:32px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
.clients li{padding:14px 0;border-bottom:1px solid var(--line);font-weight:500;display:flex;gap:12px;align-items:baseline}
.clients li::before{content:"";width:0;height:0;border-left:7px solid var(--teal-bright);border-top:4px solid transparent;border-bottom:4px solid transparent;flex:none;transform:translateY(-2px)}

/* Business Center */
.bc{background:var(--slate);color:#fff}
.bc .wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.bc h2{color:#fff}
.bc .intro{color:rgba(255,255,255,.78)}
.bc ul{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.bc li{display:flex;gap:16px;align-items:center;padding:18px 22px;background:rgba(255,255,255,.06);border-radius:8px;font-weight:500}
.bc li svg{width:26px;height:26px;color:var(--orange);flex:none}
.bc .btn{margin-top:32px}

/* Accroche */
.punch{background:var(--teal);color:#fff;text-align:center;padding:72px 0}
.punch p{font-size:clamp(24px,3vw,36px);font-weight:500;line-height:1.3}
.punch p span{display:block;color:var(--orange)}

/* Contact */
.contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:start}
.coords{margin-top:36px;display:grid;gap:22px}
.coords a{text-decoration:none;display:flex;gap:16px;align-items:center;font-weight:500;font-size:18px;color:var(--teal)}
.coords a:hover{color:var(--teal-bright)}
.coords .ic{width:48px;height:48px;border-radius:50%;background:var(--mist);display:grid;place-items:center;flex:none}
.coords .ic svg{width:22px;height:22px}
.coords small{display:block;font-size:13px;color:var(--muted);font-weight:400}
form{position:relative;background:var(--mist);padding:36px;border-radius:10px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
form h3{grid-column:1/-1;font-size:22px}
form .full{grid-column:1/-1}
label{display:block;font-size:14px;font-weight:600;color:var(--teal);margin-bottom:6px}
input,select,textarea{width:100%;font:400 16px/1.4 "Poppins",sans-serif;color:var(--slate);background:#fff;border:1.5px solid var(--line);border-radius:6px;padding:12px 14px}
input:focus,select:focus,textarea:focus{border-color:var(--teal-bright);outline:none;box-shadow:0 0 0 3px rgba(0,160,156,.2)}
textarea{min-height:120px;resize:vertical}
.form-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.form-note{grid-column:1/-1;font-size:13px;color:var(--muted)}
.err{grid-column:1/-1;color:#b3261e;font-size:14px;font-weight:500}
.err:empty{display:none}

/* Pied de page */
footer{background:var(--teal-deep);color:rgba(255,255,255,.75);padding:48px 0 28px;font-size:15px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px;align-items:center}
footer img{height:52px;width:auto}
footer a{text-decoration:none}
footer a:hover{color:#fff}
footer .legal{width:100%;border-top:1px solid rgba(255,255,255,.12);padding-top:22px;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* Bouton WhatsApp flottant */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 6px 20px rgba(0,0,0,.2)}
.wa-float svg{width:30px;height:30px}

/* Responsive */
@media (max-width:960px){
  .hero{display:block}
  .hero-text{max-width:none}
  .hero-photo{position:relative;width:100%;height:auto;border-left:0;border-top:5px solid var(--orange)}
  .hero-photo img{height:auto;aspect-ratio:924/562}
  .svc-grid{grid-template-columns:1fr 1fr}
  .split,.bc .wrap,.contact .wrap{grid-template-columns:1fr;gap:48px}
}
@media (max-width:820px){
  .nav{position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px var(--pad) 24px;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--mist)}
  .nav .btn{margin-top:16px;justify-content:center}
  .burger{display:block}
  .values{grid-template-columns:1fr}
  .tabs{grid-template-columns:1fr;gap:0}
  .tabs::before{left:27px;right:auto;top:28px;bottom:28px;width:3px;height:auto}
  .progress{display:none}
  .tabs button{flex-direction:row;text-align:left;padding:10px 0}
  .tabs .lbl{max-width:none}
  .panel{grid-template-columns:1fr;gap:12px;padding:28px}
  .panel .n{font-size:48px}
}
@media (max-width:600px){
  body{font-size:16px}
  .svc-grid{grid-template-columns:1fr}
  .clients{grid-template-columns:1fr}
  form{grid-template-columns:1fr;padding:26px 22px}
  .conditions{grid-template-columns:1fr;padding:24px}
  .chain ol{justify-content:flex-start}
  .chain li{gap:14px}
  .hero .ctas .btn{flex:1 1 100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}

/* Photo du hero (balise picture) */
.hero-photo picture{display:block;width:100%;height:100%}