/* ===========================================================
   HEISENBERG LABORATORY — design system
   Palette: lab-teal ink, sage paper, copper accent, skin tint
   Type: Fraunces (display) / Inter (body) / IBM Plex Mono (data)
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:#12302B;
  --ink-soft:#2B4B44;
  --paper:#F1F4EE;
  --paper-2:#E8ECE3;
  --copper:#B8722E;
  --copper-soft:#E9C9A6;
  --teal:#2E7D74;
  --skin:#E7C9B7;
  --line:#D3DACC;
  --white:#FFFFFF;
  --shadow: 0 24px 60px -30px rgba(18,48,43,.35);

  --display: 'Fraunces', serif;
  --body: 'Inter', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;

  --maxw: 1240px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--display);font-weight:500;margin:0 0 .5em;letter-spacing:-.01em;color:var(--ink);}
h1{font-size:clamp(2.4rem,4.6vw,4.4rem);font-weight:400;line-height:1.04;letter-spacing:-.02em;}
h2{font-size:clamp(1.8rem,3vw,2.7rem);line-height:1.12;}
h3{font-size:1.35rem;line-height:1.3;}
p{margin:0 0 1em;color:var(--ink-soft);}
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
@media(max-width:640px){.container{padding:0 20px;}}

.eyebrow{
  font-family:var(--mono);
  text-transform:uppercase;
  font-size:.72rem;
  letter-spacing:.16em;
  color:var(--copper);
  display:flex;align-items:center;gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{content:'';width:22px;height:1px;background:var(--copper);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--body);font-weight:600;font-size:.92rem;
  padding:14px 26px;border-radius:2px;
  border:1px solid transparent;cursor:pointer;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:var(--paper);}
.btn-primary:hover{background:var(--copper);}
.btn-outline{border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:var(--paper);}
.btn-light{border-color:rgba(241,244,238,.5);color:var(--paper);}
.btn-light:hover{background:var(--paper);color:var(--ink);}
.btn svg{width:14px;height:14px;transition:transform .25s ease;}
.btn:hover svg{transform:translateX(3px);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(241,244,238,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  height:84px;
}
.logo{font-family:var(--display);font-size:1.25rem;letter-spacing:.01em;display:flex;flex-direction:column;line-height:1;}
.logo strong{font-weight:600;}
.logo span{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;color:var(--copper);text-transform:uppercase;margin-top:4px;}

.nav-main{display:flex;align-items:center;gap:40px;}
.nav-main > ul{display:flex;gap:34px;align-items:center;}
.nav-main a.nav-link{
  font-size:.9rem;font-weight:500;
  padding:6px 0;position:relative;
}
.nav-main a.nav-link::after{
  content:'';position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--copper);
  transition:width .25s ease;
}
.nav-main a.nav-link:hover::after,
.nav-main li.active > a.nav-link::after{width:100%;}
.nav-main li.active > a.nav-link{color:var(--copper);}

.has-dropdown{position:relative;}
.has-dropdown > a::before{
  content:'';display:inline-block;width:5px;height:5px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);
  transform:rotate(45deg);margin-left:7px;position:relative;top:-2px;
}
.dropdown{
  position:absolute;top:calc(100% + 18px);left:-20px;
  background:var(--white);border:1px solid var(--line);
  min-width:220px;padding:8px;
  box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:all .2s ease;
}
.has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown a{display:block;padding:11px 14px;font-size:.88rem;border-radius:2px;}
.dropdown a:hover{background:var(--paper);color:var(--copper);}

.header-cta{display:flex;align-items:center;gap:22px;}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px;}
.burger span{width:22px;height:1.5px;background:var(--ink);display:block;}

@media(max-width:980px){
  .nav-main{position:fixed;inset:84px 0 0 0;background:var(--paper);flex-direction:column;align-items:flex-start;
    padding:30px 24px;transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;}
  .nav-main.open{transform:translateX(0);}
  .nav-main > ul{flex-direction:column;align-items:flex-start;gap:0;width:100%;}
  .nav-main > ul > li{width:100%;border-bottom:1px solid var(--line);}
  .nav-main a.nav-link{display:block;padding:16px 0;}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;display:none;padding:0 0 10px 14px;}
  .has-dropdown.dd-open .dropdown{display:block;}
  .has-dropdown > a::before{float:right;margin-top:8px;}
  .burger{display:flex;}
  .header-cta .btn{display:none;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:100px 0 120px;
  background:
    radial-gradient(60% 60% at 85% 0%, rgba(184,114,46,.10), transparent 60%),
    var(--paper);
}
.hero-grid{
  position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.5), transparent 75%);
}
.hero .container{position:relative;}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;}
@media(max-width:900px){.hero-inner{grid-template-columns:1fr;}}
.hero-kicker{font-family:var(--mono);text-transform:uppercase;letter-spacing:.16em;font-size:.75rem;color:var(--teal);margin-bottom:18px;}
.hero h1 em{font-style:italic;color:var(--copper);}
.hero-lede{font-size:1.1rem;max-width:46ch;margin-top:22px;}
.hero-actions{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap;}

/* signature vial illustration */
.vial-wrap{display:flex;justify-content:center;align-items:center;}
.vial-wrap svg{width:100%;max-width:340px;height:auto;}
.drop{animation:fall 3.2s cubic-bezier(.6,0,.4,1) infinite;}
@keyframes fall{
  0%{transform:translateY(0);opacity:0;}
  8%{opacity:1;}
  46%{transform:translateY(120px);opacity:0;}
  100%{transform:translateY(120px);opacity:0;}
}
.liquid{animation:rise 6s ease-in-out infinite alternate;}
@keyframes rise{0%{transform:translateY(6px);}100%{transform:translateY(0);}}
@media (prefers-reduced-motion: reduce){
  .drop,.liquid,*{animation-duration:.001ms !important;animation-iteration-count:1 !important;}
}

/* ---------- sections generic ---------- */
section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--white);}
.section-ink{background:var(--ink);color:var(--paper);}
.section-ink h2, .section-ink h3{color:var(--paper);}
.section-ink p{color:#C8D6D0;}
.section-ink .eyebrow{color:var(--copper-soft);}
.section-ink .eyebrow::before{background:var(--copper-soft);}

.section-head{max-width:720px;margin-bottom:56px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- pillars / cards grid ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr);}.grid-3{grid-template-columns:1fr;}}
@media(max-width:560px){.grid-4{grid-template-columns:1fr;}.grid-2{grid-template-columns:1fr;}}

.pillar{background:var(--white);padding:38px 32px;transition:background .25s ease;}
.pillar:hover{background:var(--paper);}
.pillar .num{font-family:var(--mono);color:var(--copper);font-size:.78rem;letter-spacing:.1em;}
.pillar h3{margin-top:18px;}
.pillar ul{margin-top:18px;display:flex;flex-direction:column;gap:8px;}
.pillar ul li{font-size:.88rem;color:var(--ink-soft);padding-left:16px;position:relative;}
.pillar ul li::before{content:'';position:absolute;left:0;top:9px;width:6px;height:1px;background:var(--copper);}

/* ---------- process / timeline (genuine sequence) ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;}
.process::before{content:'';position:absolute;top:20px;left:0;right:0;height:1px;background:var(--line);}
@media(max-width:900px){.process{grid-template-columns:1fr 1fr;}.process::before{display:none;}}
@media(max-width:560px){.process{grid-template-columns:1fr;}}
.step{padding:0 20px 0 0;position:relative;}
.step .step-num{
  font-family:var(--mono);font-size:.85rem;color:var(--white);background:var(--ink);
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  position:relative;z-index:1;margin-bottom:20px;
}
.step h3{font-size:1.05rem;}
.step p{font-size:.88rem;}

/* ---------- tabs ---------- */
.tabs-head{display:flex;gap:0;border-bottom:1px solid var(--line);margin-bottom:40px;}
.tab-btn{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  padding:16px 26px;background:none;border:none;cursor:pointer;color:var(--ink-soft);border-bottom:2px solid transparent;margin-bottom:-1px;}
.tab-btn.active{color:var(--ink);border-color:var(--copper);}
.tab-panel{display:none;}
.tab-panel.active{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
@media(max-width:800px){.tab-panel.active{grid-template-columns:1fr;}}
.tab-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;}
.tag{font-family:var(--mono);font-size:.72rem;border:1px solid var(--line);padding:6px 12px;color:var(--ink-soft);}

/* ---------- gammes grid ---------- */
.gammes{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
@media(max-width:980px){.gammes{grid-template-columns:repeat(3,1fr);}}
@media(max-width:620px){.gammes{grid-template-columns:repeat(2,1fr);}}
.gamme-card{
  aspect-ratio:3/4;position:relative;overflow:hidden;
  background:linear-gradient(160deg,var(--ink),var(--teal));
  display:flex;align-items:flex-end;padding:22px;
}
.gamme-card::before{content:attr(data-glyph);position:absolute;top:18px;right:18px;font-family:var(--mono);font-size:.7rem;color:rgba(241,244,238,.55);}
.gamme-card h4{color:var(--paper);font-size:1.02rem;margin:0;font-weight:400;}
.gamme-card span{font-family:var(--mono);font-size:.65rem;color:var(--copper-soft);text-transform:uppercase;letter-spacing:.1em;}
.gamme-card:hover{background:linear-gradient(160deg,var(--copper),var(--ink));}

/* ---------- ingredient ledger (signature motif) ---------- */
.ledger{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  overflow:hidden;white-space:nowrap;position:relative;padding:18px 0;
}
.ledger-track{display:inline-flex;gap:44px;animation:scroll 34s linear infinite;}
.ledger:hover .ledger-track{animation-play-state:paused;}
@keyframes scroll{0%{transform:translateX(0);}100%{transform:translateX(-50%);}}
.ledger-item{font-family:var(--mono);font-size:.82rem;color:var(--ink-soft);display:inline-flex;align-items:baseline;gap:10px;}
.ledger-item b{color:var(--ink);font-weight:600;}
.ledger-item small{color:var(--copper);}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:var(--ink);color:var(--paper);padding:70px 0;text-align:center;
}
.cta-banner h2{color:var(--paper);max-width:18ch;margin:0 auto 26px;}

/* ---------- 3-block partners (fournisseur/recrutement/investisseur) ---------- */
.partner-block{background:var(--white);padding:44px 36px;display:flex;flex-direction:column;height:100%;}
.partner-block h3{margin-bottom:14px;}
.partner-block p{flex:1;}
.partner-block .btn{align-self:flex-start;margin-top:20px;}

/* ---------- logos strip ---------- */
.logo-strip{display:flex;flex-wrap:wrap;gap:48px;align-items:center;justify-content:center;padding:50px 0;opacity:.75;}
.logo-strip span{font-family:var(--display);font-size:1.3rem;letter-spacing:.02em;color:var(--ink-soft);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C8D6D0;padding:80px 0 30px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:50px;padding-bottom:56px;border-bottom:1px solid rgba(241,244,238,.12);}
@media(max-width:820px){.footer-top{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.footer-top{grid-template-columns:1fr;}}
.footer-brand .logo{color:var(--paper);}
.footer-brand p{max-width:32ch;margin-top:18px;font-size:.9rem;}
.footer-col h4{font-family:var(--mono);text-transform:uppercase;font-size:.72rem;letter-spacing:.12em;color:var(--copper-soft);margin-bottom:20px;}
.footer-col li{margin-bottom:12px;font-size:.9rem;}
.footer-col a:hover{color:var(--paper);}
.newsletter-form{display:flex;margin-top:16px;border:1px solid rgba(241,244,238,.25);}
.newsletter-form input{flex:1;background:none;border:0;padding:12px 14px;color:var(--paper);font-family:var(--body);font-size:.85rem;}
.newsletter-form input::placeholder{color:#8FA39C;}
.newsletter-form button{background:var(--copper);border:0;color:var(--ink);padding:0 18px;cursor:pointer;font-weight:600;font-size:.85rem;}
.social-row{display:flex;gap:14px;margin-top:20px;}
.social-row a{width:34px;height:34px;border:1px solid rgba(241,244,238,.25);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;}
.social-row a:hover{background:var(--copper);border-color:var(--copper);color:var(--ink);}
.footer-bottom{display:flex;justify-content:space-between;padding-top:26px;font-size:.78rem;color:#7E958D;flex-wrap:wrap;gap:10px;}

/* ---------- inner-page header banner ---------- */
.page-banner{padding:150px 0 70px;background:var(--ink);color:var(--paper);position:relative;overflow:hidden;}
.page-banner::before{
  content:'';position:absolute;right:-10%;top:-40%;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle, rgba(184,114,46,.28), transparent 65%);
}
.page-banner .container{position:relative;}
.breadcrumb{font-family:var(--mono);font-size:.75rem;color:var(--copper-soft);text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px;}
.page-banner h1{color:var(--paper);max-width:18ch;}
.page-banner p{color:#C8D6D0;max-width:52ch;margin-top:18px;}

/* ---------- generic content blocks ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;}
@media(max-width:800px){.two-col{grid-template-columns:1fr;}}
.stat-block{display:flex;gap:36px;flex-wrap:wrap;margin-top:20px;}
.stat{border-left:2px solid var(--copper);padding-left:16px;}
.stat b{display:block;font-family:var(--display);font-size:2rem;color:var(--ink);}
.stat span{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);}

.check-list li{position:relative;padding-left:28px;margin-bottom:16px;font-size:.95rem;color:var(--ink-soft);}
.check-list li::before{content:'';position:absolute;left:0;top:6px;width:14px;height:8px;border-left:2px solid var(--copper);border-bottom:2px solid var(--copper);transform:rotate(-45deg);}
.check-list b{color:var(--ink);}

.pkg-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:20px;}
@media(max-width:700px){.pkg-list{grid-template-columns:1fr;}}
.pkg-item{background:var(--white);padding:28px;}
.pkg-item b{display:block;font-family:var(--display);font-size:1.1rem;margin-bottom:8px;}
.pkg-item p{font-size:.88rem;margin:0;}

.condition-list{margin-top:20px;}
.condition-item{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:26px 0;border-top:1px solid var(--line);}
.condition-item:last-child{border-bottom:1px solid var(--line);}
@media(max-width:640px){.condition-item{grid-template-columns:1fr;gap:6px;}}
.condition-item b{font-family:var(--display);font-size:1.1rem;}

.derm-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}
.derm-tag{border:1px solid var(--copper);color:var(--copper);font-family:var(--mono);font-size:.8rem;padding:9px 18px;text-transform:uppercase;letter-spacing:.05em;}

/* ---------- form ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;}}
.form-field{margin-bottom:20px;}
.form-field label{display:block;font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px;color:var(--ink-soft);}
.form-field input, .form-field textarea, .form-field select{
  width:100%;border:1px solid var(--line);background:var(--white);padding:13px 14px;font-family:var(--body);font-size:.95rem;color:var(--ink);
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus{outline:2px solid var(--copper);outline-offset:1px;}
.profile-choice{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px;}
.profile-choice input{display:none;}
.profile-choice label{
  border:1px solid var(--line);padding:10px 18px;font-size:.85rem;cursor:pointer;transition:all .2s ease;
}
.profile-choice input:checked + label{background:var(--ink);border-color:var(--ink);color:var(--paper);}
.contact-info-block{border-left:2px solid var(--copper);padding-left:22px;margin-bottom:30px;}
.contact-info-block h4{font-family:var(--mono);text-transform:uppercase;font-size:.75rem;letter-spacing:.1em;color:var(--copper);margin-bottom:10px;}

/* ---------- faq accordion ---------- */
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;background:none;border:0;padding:24px 0;
  font-family:var(--display);font-size:1.1rem;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:20px;color:var(--ink);
}
.faq-q .plus{font-family:var(--mono);font-size:1.3rem;color:var(--copper);transition:transform .25s ease;flex-shrink:0;}
.faq-item.open .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding-bottom:22px;margin:0;}

/* ---------- blog ---------- */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:20px;}
@media(max-width:900px){.blog-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:620px){.blog-grid{grid-template-columns:1fr;}}
.blog-card{background:var(--white);padding:30px 26px;display:flex;flex-direction:column;}
.blog-card .cat{font-family:var(--mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--copper);margin-bottom:14px;}
.blog-card h3{font-size:1.05rem;margin-bottom:14px;}
.blog-card .read{margin-top:auto;font-size:.82rem;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.cat-pills{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0 10px;}
.cat-pill{font-family:var(--mono);font-size:.75rem;border:1px solid var(--line);padding:8px 16px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);cursor:pointer;}
.cat-pill.active, .cat-pill:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}

/* ---------- jobs (recrutement) ---------- */
.job-group{margin-bottom:56px;}
.job-group h3{margin-bottom:6px;}
.job-loc{font-family:var(--mono);font-size:.75rem;color:var(--teal);text-transform:uppercase;letter-spacing:.08em;margin-bottom:26px;}
.job-row{display:grid;grid-template-columns:1fr 2fr;gap:24px;padding:22px 0;border-top:1px solid var(--line);align-items:baseline;}
.job-row:last-child{border-bottom:1px solid var(--line);}
@media(max-width:640px){.job-row{grid-template-columns:1fr;gap:6px;}}
.job-row b{font-family:var(--display);font-size:1.05rem;}
.job-row p{margin:0;font-size:.9rem;}

/* ---------- values grid (recrutement promesse) ---------- */
.value-card{background:var(--white);padding:32px;}
.value-card .num{font-family:var(--mono);color:var(--copper);font-size:.78rem;}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- misc ---------- */
.divider{height:1px;background:var(--line);margin:0;}
.small-note{font-size:.8rem;color:var(--ink-soft);opacity:.8;}
.center{text-align:center;}
.mt-40{margin-top:40px;}