@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@500;600;700;800&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --ink:#12161B;
  --surface:#1A2027;
  --brass:#C89B3C;
  --brass-dim:#9C7A2E;
  --circuit:#5FA8A0;
  --paper:#EDEAE2;
  --text-muted:#8E96A1;
  --line:rgba(237,234,226,0.10);
  --line-strong:rgba(237,234,226,0.20);
  --radius:2px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:'IBM Plex Sans',sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms!important;transition-duration:0.001ms!important;}
}
a{color:inherit;text-decoration:none;}
img,svg{display:block;max-width:100%;}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
h1,h2,h3{
  font-family:'Big Shoulders Display',sans-serif;
  font-weight:700;
  line-height:0.95;
  letter-spacing:-0.5px;
}
::selection{background:var(--brass);color:var(--ink);}
:focus-visible{outline:2px solid var(--circuit);outline-offset:3px;}

/* ─── ENTRÉE ANIMATIONS ─────────────────────────── */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible{opacity:1;transform:none;}
.reveal-delay-1{transition-delay:0.1s;}
.reveal-delay-2{transition-delay:0.2s;}
.reveal-delay-3{transition-delay:0.3s;}
.reveal-delay-4{transition-delay:0.4s;}

/* ─── STATION (sans coins bracket) ─────────────── */
.station{
  border:1px solid var(--line);
  border-left:3px solid var(--brass);
  padding:36px 32px;
}

/* ─── TAGS ──────────────────────────────────────── */
.tag{
  font-family:'IBM Plex Mono',monospace;
  font-size:11.5px;
  color:var(--circuit);
  letter-spacing:0.06em;
  text-transform:uppercase;
}
/* tag-index : label de section — IBM Plex Sans, pas monospace */
.tag-index{
  font-family:'IBM Plex Sans',sans-serif;
  font-size:12px;
  font-weight:600;
  color:var(--text-muted);
  text-transform:uppercase;
  letter-spacing:0.10em;
  margin-bottom:18px;
  display:block;
}

/* ─── HEADER ────────────────────────────────────── */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(18,22,27,0.95);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo{
  font-family:'Big Shoulders Display',sans-serif;
  font-weight:800;font-size:24px;
  display:flex;flex-direction:column;line-height:1;
}
.logo span.sub{
  font-size:9.5px;color:var(--text-muted);
  letter-spacing:0.12em;margin-top:4px;
  font-family:'IBM Plex Sans',sans-serif;
  font-weight:500;text-transform:uppercase;
}
nav ul{display:flex;gap:32px;list-style:none;}
nav a{
  font-size:14.5px;font-weight:500;color:var(--text-muted);
  position:relative;padding:4px 0;
  transition:color 0.2s ease;
}
nav a:hover{color:var(--paper);}
nav a::after{
  content:'';position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--brass);transition:width 0.22s ease;
}
nav a:hover::after{width:100%;}
.nav-cta{
  border:1px solid var(--brass);color:var(--brass);
  padding:9px 20px;font-size:13.5px;font-weight:600;
  border-radius:var(--radius);white-space:nowrap;
  transition:background 0.2s ease,color 0.2s ease;
}
.nav-cta:hover{background:var(--brass);color:var(--ink);}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.burger span{display:block;width:22px;height:2px;background:var(--paper);margin:5px 0;}
.mobile-nav{
  display:none;position:fixed;inset:72px 0 0 0;
  background:var(--ink);z-index:99;padding:32px 32px;
}
.mobile-nav.open{display:block;}
.mobile-nav ul{list-style:none;display:flex;flex-direction:column;gap:4px;}
.mobile-nav a{
  display:block;padding:18px 0;font-size:22px;
  font-family:'Big Shoulders Display',sans-serif;font-weight:600;
  border-bottom:1px solid var(--line);color:var(--paper);
}

/* ─── HERO ──────────────────────────────────────── */
.hero{
  padding:100px 0 108px;
  position:relative;overflow:hidden;
}
/* Glow — pas de grille */
.hero::before{
  content:'';
  position:absolute;inset:0;
  background:radial-gradient(ellipse 55% 60% at 10% 40%, rgba(200,155,60,0.06) 0%, transparent 70%);
  pointer-events:none;
}
/* Watermark typographique */
.hero::after{
  content:'BUILDLAB';
  position:absolute;
  right:-20px;top:50%;
  transform:translateY(-50%);
  font-family:'Big Shoulders Display',sans-serif;
  font-weight:800;
  font-size:clamp(120px,18vw,220px);
  color:rgba(237,234,226,0.028);
  line-height:1;
  pointer-events:none;
  user-select:none;
  white-space:nowrap;
  letter-spacing:-2px;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:1.2fr 0.8fr;
  gap:64px;
  align-items:start;
}
.hero-eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;color:var(--circuit);
  margin-bottom:28px;
  display:flex;align-items:center;gap:10px;
  letter-spacing:0.05em;
}
.hero-eyebrow .dot{
  width:6px;height:6px;background:var(--circuit);border-radius:50%;
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.3;}}
.hero h1{
  font-size:clamp(58px,7.5vw,96px);
  color:var(--paper);
  margin-bottom:28px;
  line-height:0.92;
}
.hero h1 em{font-style:normal;color:var(--brass);}
.hero p.lead{
  font-size:17.5px;color:var(--text-muted);
  max-width:48ch;margin-bottom:40px;line-height:1.7;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;font-size:14.5px;font-weight:600;
  border-radius:var(--radius);cursor:pointer;border:1px solid transparent;
  transition:transform 0.15s ease,background 0.18s ease,color 0.18s ease;
  font-family:'IBM Plex Sans',sans-serif;
}
.btn-primary{background:var(--brass);color:var(--ink);}
.btn-primary:hover{background:#d4a740;transform:translateY(-1px);}
.btn-ghost{border-color:var(--line-strong);color:var(--text-muted);background:none;}
.btn-ghost:hover{border-color:var(--paper);color:var(--paper);}

/* ─── TICKET HERO ───────────────────────────────── */
.ticket{
  background:var(--surface);
  border:1px solid var(--line-strong);
  overflow:hidden;
}
.ticket-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:16px 20px;border-bottom:1px dashed var(--line-strong);
}
.ticket-head .tag{font-size:10.5px;}
.ticket-tabs{display:flex;border-bottom:1px solid var(--line);}
.ticket-tabs button{
  flex:1;background:none;border:none;color:var(--text-muted);
  font-family:'IBM Plex Sans',sans-serif;font-size:13px;font-weight:600;
  padding:13px 6px;cursor:pointer;border-bottom:2px solid transparent;
  transition:color 0.2s ease;
}
.ticket-tabs button.active{color:var(--paper);border-bottom-color:var(--brass);}
.ticket-body{padding:22px 20px;min-height:220px;}
.ticket-body h4{
  font-family:'Big Shoulders Display',sans-serif;
  font-size:22px;color:var(--paper);margin-bottom:8px;
}
.ticket-body p{color:var(--text-muted);font-size:13.5px;margin-bottom:14px;line-height:1.5;}
.spec-line{
  display:flex;justify-content:space-between;
  font-family:'IBM Plex Mono',monospace;font-size:12px;
  padding:7px 0;border-bottom:1px solid var(--line);color:var(--text-muted);
}
.spec-line span:last-child{color:var(--paper);}
.ticket-foot{
  padding:16px 20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;
}
.ticket-foot .price{font-family:'IBM Plex Mono',monospace;color:var(--brass);font-size:14px;}

/* ─── MARQUEE ───────────────────────────────────── */
.marquee-wrap{
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--surface);
  padding:13px 0;
  white-space:nowrap;
}
.marquee-track{
  display:inline-flex;gap:0;
  animation:marquee 30s linear infinite;
}
.marquee-track:hover{animation-play-state:paused;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.marquee-item{
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;color:var(--text-muted);
  padding:0 28px;
  letter-spacing:0.04em;
}
.marquee-item .sep{color:var(--brass);margin:0 6px;}

/* ─── STAT BAR ──────────────────────────────────── */
.stat-bar{
  border-bottom:1px solid var(--line);
  padding:36px 0;
  background:var(--ink);
}
.stat-inner{
  display:flex;align-items:center;
  justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
.stat-item{display:flex;flex-direction:column;gap:6px;flex:1;min-width:140px;}
.stat-num{
  font-family:'Big Shoulders Display',sans-serif;
  font-size:36px;font-weight:700;
  color:var(--brass);line-height:1;
}
.stat-label{font-size:13px;color:var(--text-muted);font-weight:500;}
.stat-sep{width:1px;height:44px;background:var(--line-strong);flex-shrink:0;}

/* ─── SECTIONS ──────────────────────────────────── */
section{padding:112px 0;}
#montage{padding:120px 0 112px;}
#reparation{padding:100px 0;}
#entreprises{padding:112px 0;}
#process{padding:80px 0 100px;}
#contact{padding:100px 0 112px;}
.section-alt{background:var(--surface);}

.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:40px;margin-bottom:60px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(32px,3.8vw,48px);
  color:var(--paper);max-width:14ch;
}
.section-head p{color:var(--text-muted);max-width:36ch;font-size:15.5px;line-height:1.65;}

/* ─── TIERS ─────────────────────────────────────── */
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);}

.tier{
  background:var(--ink);
  display:flex;flex-direction:column;
  transition:background 0.25s ease;
  position:relative;
}
.tier:hover{background:#171c22;}

/* barre de couleur en haut de chaque carte */
.tier::before{
  content:'';display:block;height:3px;width:100%;
  background:var(--line-strong);
  flex-shrink:0;
}
.tier:nth-child(1)::before{background:var(--text-muted);}
.tier:nth-child(2)::before{background:var(--circuit);}
.tier:nth-child(3)::before{background:var(--brass);}
.tier:nth-child(4)::before{background:#d97757;}

/* featured — légèrement décalée */
.tier.featured{
  background:var(--surface);
  margin-top:-10px;
  margin-bottom:-10px;
  box-shadow:0 0 0 1px var(--brass);
  z-index:1;
}
.tier.featured:hover{background:#1e262f;}

.tier-badge{
  background:var(--brass);color:var(--ink);
  font-size:10.5px;font-weight:700;font-family:'IBM Plex Sans',sans-serif;
  padding:4px 10px;letter-spacing:0.06em;text-transform:uppercase;
  align-self:flex-start;
  margin:16px 24px 0;
}
.tier-head{padding:20px 24px 18px;}
.tier-code{
  font-family:'IBM Plex Mono',monospace;
  font-size:11px;color:var(--text-muted);
  letter-spacing:0.08em;text-transform:uppercase;
  margin-bottom:8px;
}
.tier h3{font-size:26px;color:var(--paper);margin-bottom:6px;}
.tier-tagline{font-size:13.5px;color:var(--paper);font-style:italic;line-height:1.4;margin-bottom:4px;}
.tier-usage{color:var(--text-muted);font-size:12.5px;}

.tier-body{padding:16px 24px 28px;flex:1;display:flex;flex-direction:column;}
.tier-specs{border:1px solid var(--line);margin-bottom:16px;}
.tier-spec-row{
  display:flex;justify-content:space-between;align-items:baseline;
  padding:7px 10px;border-bottom:1px solid var(--line);
}
.tier-spec-row:last-child{border-bottom:none;}
.spec-key{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--text-muted);}
.spec-val{font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:var(--paper);text-align:right;max-width:60%;}

.tier-features{list-style:none;margin-bottom:18px;}
.tier-features li{
  padding:8px 0;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-muted);
  display:flex;gap:10px;align-items:flex-start;
}
.tier-features li::before{content:'✓';color:var(--circuit);flex-shrink:0;font-size:11px;margin-top:2px;}

.tier-price{
  margin-top:auto;padding-top:16px;
  display:flex;flex-direction:column;gap:2px;
}
.tier-price .from{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.06em;}
.tier-price .amount{
  font-family:'Big Shoulders Display',sans-serif;
  font-size:32px;color:var(--paper);line-height:1;
}
.tier-price .amount sup{font-size:16px;vertical-align:top;margin-top:4px;}
.tier.featured .tier-price .amount{color:var(--brass);}

.tier-cta{
  display:block;text-align:center;
  margin-top:14px;padding:11px 16px;font-size:13.5px;
  border-radius:var(--radius);
}

.tiers-note{
  margin-top:28px;
  font-size:13px;color:var(--text-muted);
  border-top:1px solid var(--line);padding-top:20px;
  line-height:1.6;
  max-width:80ch;
}

/* ─── RÉPARATION ────────────────────────────────── */
.repair-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:72px;align-items:start;}
.repair-list{list-style:none;}
.repair-list li{
  display:grid;grid-template-columns:48px 1fr;gap:20px;
  padding:28px 0;border-bottom:1px solid var(--line);
}
.repair-list li:first-child{padding-top:0;}
.step-num{
  font-family:'Big Shoulders Display',sans-serif;font-weight:700;
  font-size:40px;color:rgba(237,234,226,0.15);line-height:1;
  padding-top:2px;
}
.repair-list h4{font-size:16.5px;color:var(--paper);margin-bottom:6px;font-weight:600;}
.repair-list p{color:var(--text-muted);font-size:14px;line-height:1.6;}

.warranty-card{background:var(--ink);}
.warranty-card .station h3{font-size:24px;color:var(--paper);margin-bottom:6px;line-height:1.1;}
.warranty-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;}
.warranty-item{padding:16px 0;border-top:1px solid var(--line);}
.warranty-item .tag-index{margin-bottom:4px;font-size:11px;color:var(--circuit);}
.warranty-item strong{color:var(--paper);display:block;font-size:14.5px;margin-bottom:4px;font-weight:600;}
.warranty-item p{font-size:13px;color:var(--text-muted);line-height:1.5;}

/* ─── ENTREPRISES ───────────────────────────────── */
.ent-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start;}
.ent-flow{display:flex;flex-direction:column;}
.flow-step{
  display:grid;grid-template-columns:44px 1fr;gap:16px;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.flow-step:last-child{border-bottom:none;}
.flow-num{
  font-family:'Big Shoulders Display',sans-serif;font-weight:700;
  font-size:36px;color:rgba(237,234,226,0.12);line-height:1;
}
.flow-step h4{font-size:16px;color:var(--paper);margin-bottom:4px;font-weight:600;}
.flow-step p{font-size:13.5px;color:var(--text-muted);line-height:1.6;}

.ent-panel .station h3{font-size:22px;color:var(--paper);margin-bottom:12px;}
.ent-panel .station>p{color:var(--text-muted);font-size:14px;margin-bottom:20px;line-height:1.6;}
.compliance-row{
  display:flex;gap:14px;align-items:flex-start;
  padding:13px 0;border-top:1px solid var(--line);
}
.compliance-row:first-of-type{border-top:none;}
.compliance-row .mark{
  color:var(--text-muted);font-family:'IBM Plex Mono',monospace;
  font-size:11px;flex-shrink:0;margin-top:3px;letter-spacing:0.04em;
}
.compliance-row p{margin:0;font-size:13.5px;color:var(--text-muted);line-height:1.55;}
.compliance-row strong{color:var(--paper);}

/* ─── TRUST / POURQUOI ──────────────────────────── */
.trust-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
  background:var(--line);
}
.trust-item{
  background:var(--ink);
  padding:36px 30px;
  transition:background 0.2s ease;
}
.trust-item:hover{background:#15191e;}

/* Premier item — plus de poids */
.trust-item:first-child{
  grid-column:span 2;
  background:var(--surface);
  border-left:3px solid var(--brass);
  display:grid;
  grid-template-columns:auto 1fr;
  gap:0 32px;
  align-content:start;
}
.trust-item:first-child .tag{grid-column:1/2;margin-bottom:0;align-self:start;}
.trust-item:first-child h4{
  grid-column:2/3;grid-row:1;
  font-size:22px;margin-bottom:8px;
}
.trust-item:first-child p{grid-column:2/3;font-size:14.5px;}

.trust-item .tag{display:block;margin-bottom:14px;color:var(--text-muted);}
.trust-item h4{font-size:17px;color:var(--paper);margin-bottom:9px;font-weight:600;line-height:1.3;}
.trust-item p{font-size:13.5px;color:var(--text-muted);line-height:1.6;}

/* ─── CONTACT ───────────────────────────────────── */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:72px;}
.contact-info h2{font-size:clamp(32px,3.8vw,48px);color:var(--paper);margin-bottom:20px;max-width:14ch;}
.contact-info>p{color:var(--text-muted);font-size:15px;margin-bottom:36px;max-width:40ch;line-height:1.7;}
.contact-detail{display:flex;gap:16px;padding:16px 0;border-top:1px solid var(--line);}
.contact-detail:first-of-type{border-top:none;}
.contact-detail .tag{width:80px;flex-shrink:0;padding-top:2px;}
.contact-detail p{margin:0;color:var(--paper);font-size:14px;line-height:1.6;}

.alert-success{
  background:rgba(95,168,160,0.1);
  border:1px solid var(--circuit);color:var(--paper);
  padding:14px 16px;font-size:14px;margin-bottom:18px;
}
.field-error{color:#d97757;font-size:12px;margin-top:5px;display:block;}
.form{display:flex;flex-direction:column;gap:16px;}
.field label{display:block;font-size:12.5px;color:var(--text-muted);margin-bottom:7px;font-weight:500;text-transform:uppercase;letter-spacing:0.06em;}
.field input,.field select,.field textarea{
  width:100%;background:var(--surface);border:1px solid var(--line-strong);
  color:var(--paper);padding:12px 14px;font-family:'IBM Plex Sans',sans-serif;
  font-size:14.5px;border-radius:var(--radius);
  transition:border-color 0.18s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--circuit);outline:none;
}
.field textarea{resize:vertical;min-height:110px;}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form .btn-primary{align-self:flex-start;margin-top:4px;border:none;cursor:pointer;}

/* ─── FOOTER ────────────────────────────────────── */
footer{border-top:1px solid var(--line);padding:56px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--text-muted);font-size:13.5px;max-width:30ch;line-height:1.6;}
.footer-col h5{font-size:11.5px;color:var(--text-muted);margin-bottom:16px;text-transform:uppercase;letter-spacing:0.08em;font-weight:600;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:var(--text-muted);font-size:13.5px;transition:color 0.18s ease;}
.footer-col a:hover{color:var(--paper);}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:12px;color:var(--text-muted);
}
.footer-bottom a{color:var(--text-muted);border-bottom:1px solid var(--line);}
.footer-bottom a:hover{color:var(--paper);}

/* ─── RESPONSIVE ────────────────────────────────── */
@media(max-width:1100px){
  .tiers{grid-template-columns:repeat(2,1fr);}
  .tier.featured{margin-top:0;margin-bottom:0;box-shadow:inset 0 0 0 1px var(--brass);}
}
@media(max-width:920px){
  nav ul,.nav-cta{display:none;}
  .burger{display:block;}
  .hero-grid{grid-template-columns:1fr;}
  .hero::after{display:none;}
  .tiers{grid-template-columns:repeat(2,1fr);}
  .repair-layout,.ent-grid,.contact-grid{grid-template-columns:1fr;gap:48px;}
  .trust-grid{grid-template-columns:1fr;}
  .trust-item:first-child{grid-column:1;grid-template-columns:1fr;gap:8px;}
  .trust-item:first-child .tag,.trust-item:first-child h4,.trust-item:first-child p{grid-column:1;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .warranty-grid,.row2{grid-template-columns:1fr;}
  section{padding:80px 0;}
  #montage,#reparation,#entreprises,#process,#contact{padding:80px 0;}
  .hero{padding:72px 0 80px;}
  .stat-inner{gap:32px;}
}
@media(max-width:640px){
  .tiers{grid-template-columns:1fr;background:transparent;gap:12px;}
  .tier{border:1px solid var(--line);}
  .stat-inner{flex-direction:column;gap:24px;}
  .stat-sep{width:40px;height:1px;}
  .hero h1{font-size:clamp(46px,12vw,72px);}
  .footer-grid{grid-template-columns:1fr;}
}