:root{
  --encre:#152220;
  --verre:#145C50;          /* la tranche du verre */
  --verre-vif:#1E7A6A;
  --verre-pale:#E3F0ED;
  --glace:#F4F8F7;
  --card:#FFFFFF;
  --line:#DCE6E3;
  --muted:#5C6E6A;
  --muted-2:#8AA09B;
  --argent:#C9D4D1;
  --radius:14px;
  --display:"Marcellus",serif;
  --body:"Karla",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--encre);background:var(--glace);line-height:1.7}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.section{padding:92px 0}
h1,h2{font-family:var(--display);font-weight:400;line-height:1.12;letter-spacing:.01em}
h2{font-size:clamp(1.8rem,3.6vw,2.6rem);margin:.6rem 0 1.1rem}
h3{font-family:var(--display);font-weight:400}
.eyebrow{
  font-size:.72rem;font-weight:700;
  letter-spacing:.26em;text-transform:uppercase;color:var(--verre);
}
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-weight:700;font-size:.95rem;letter-spacing:.03em;
  padding:.9em 1.7em;border-radius:999px;text-decoration:none;
  transition:transform .15s ease,background .2s ease;cursor:pointer;border:none;
}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid var(--verre-vif);outline-offset:3px}
.btn-verre{background:var(--verre);color:#fff;box-shadow:0 12px 28px -14px var(--verre)}
.btn-verre:hover{background:var(--verre-vif)}
.btn-ligne{background:transparent;color:var(--encre);border:1.5px solid var(--argent)}
.btn-ligne:hover{border-color:var(--verre)}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:60;
  background:rgba(244,248,247,.9);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{position:relative;display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;flex-direction:column;text-decoration:none;line-height:1.15}
.logo b{font-family:var(--display);font-weight:400;font-size:1.4rem;letter-spacing:.03em}
.logo b span{color:var(--verre)}
.logo small{font-size:.6rem;font-weight:700;letter-spacing:.3em;text-transform:uppercase;color:var(--muted-2)}
.site-nav{display:block}
.nav-links{display:flex;gap:2rem;list-style:none}
.nav-links a{text-decoration:none;font-weight:600;font-size:.92rem;color:var(--muted)}
.nav-links a:hover{color:var(--verre)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--encre);width:46px;height:46px;border-radius:50%;place-items:center;cursor:pointer}
.menu-toggle:focus-visible{outline:3px solid var(--verre-vif);outline-offset:3px}
.menu-toggle-icon{display:grid;gap:5px;width:19px}
.menu-toggle-icon i{display:block;height:2px;background:currentColor;border-radius:4px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] .menu-toggle-icon i:first-child{transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .menu-toggle-icon i:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] .menu-toggle-icon i:last-child{transform:translateY(-7px) rotate(-45deg)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:900px){
  .nav{height:68px}
  .menu-toggle{display:grid}
  .site-nav{display:none;position:absolute;z-index:70;top:calc(100% + 1px);left:-24px;right:-24px;padding:12px 24px 22px;background:rgba(244,248,247,.98);border-bottom:1px solid var(--line);box-shadow:0 20px 32px -28px rgba(21,34,32,.45)}
  .site-nav.is-open{display:block}
  .nav-links{display:grid;gap:2px}
  .nav-links li{list-style:none}
  .nav-links a{display:block;padding:14px 4px;border-bottom:1px solid var(--line);font-size:1rem;color:var(--encre)}
  .nav-links li:last-child a{border-bottom:0}
}

/* ---------- Hero + reflet signature ---------- */
.hero{position:relative;overflow:hidden;text-align:center;padding:104px 0 72px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(680px 400px at 20% 0%, rgba(30,122,106,.1), transparent 70%),
    radial-gradient(560px 380px at 85% 20%, rgba(201,212,209,.35), transparent 70%);
}
.hero .wrap{position:relative;max-width:840px}
.hero h1{font-size:clamp(2.5rem,6vw,4.3rem);margin:.9rem 0 0}
.hero h1 em{font-style:normal;color:var(--verre)}
/* le reflet */
.reflet{
  font-family:var(--display);font-size:clamp(2.5rem,6vw,4.3rem);line-height:1.12;
  transform:scaleY(-1);user-select:none;pointer-events:none;
  background:linear-gradient(180deg,rgba(21,34,32,0) 30%,rgba(21,34,32,.16) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-top:2px;
}
.hero .lede{font-size:1.1rem;color:var(--muted);max-width:35em;margin:1.6rem auto 2.4rem}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin-bottom:2.8rem}
.hero-points{display:flex;justify-content:center;gap:38px;flex-wrap:wrap}
.point b{font-family:var(--display);font-size:1.15rem;display:block}
.point span{font-size:.72rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2)}

/* ---------- Savoir-faire ---------- */
.sf-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:2.2rem}
@media(max-width:860px){.sf-grid{grid-template-columns:1fr}}
.sf{
  background:var(--card);border:1px solid var(--line);
  border-left:5px solid var(--verre); /* la tranche */
  border-radius:var(--radius);padding:30px 26px;
  display:flex;flex-direction:column;gap:11px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.sf:hover{transform:translateY(-4px);box-shadow:0 22px 46px -30px rgba(21,34,32,.4)}
.sf .sf-lbl{font-size:.66rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--verre)}
.sf h3{font-size:1.4rem}
.sf p{font-size:.94rem;color:var(--muted)}
.sf ul{list-style:none;display:grid;gap:6px}
.sf li{font-size:.88rem;color:var(--muted);display:flex;gap:10px;align-items:baseline}
.sf li::before{content:"◆";color:var(--verre);font-size:.55em;transform:translateY(-2px)}

/* ---------- Atelier / sur-mesure ---------- */
.atelier{background:var(--encre);color:#EDF3F1;position:relative;overflow:hidden}
.atelier::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(640px 420px at 85% 10%, rgba(30,122,106,.28), transparent 70%);
}
.atelier .wrap{position:relative}
.atelier .eyebrow{color:#7FBCAF}
.atelier h2{color:#fff}
.atelier-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media(max-width:860px){.atelier-grid{grid-template-columns:1fr}}
.atelier p{color:#AFC4BF;margin-bottom:1.1rem}
.mesures{display:grid;gap:14px}
.mesure{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-left:4px solid var(--verre-vif);
  border-radius:10px;padding:18px 20px;backdrop-filter:blur(4px);
}
.mesure b{font-family:var(--display);font-size:1.05rem;display:block;color:#fff}
.mesure span{font-size:.88rem;color:#AFC4BF}

/* ---------- Dépannage ---------- */
.depannage{
  background:var(--verre);color:#fff;border-radius:20px;
  padding:48px 46px;margin:32px 0 40px;
  display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap;
}
@media(max-width:600px){.depannage{padding:34px 26px;margin:20px 0 28px}}
.depannage h2{color:#fff;margin:0 0 .4rem;font-size:clamp(1.5rem,3vw,2.1rem)}
.depannage p{opacity:.92;max-width:34em}
.depannage .btn{background:#fff;color:var(--verre)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:2.2rem}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.ccard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;text-decoration:none;display:block;
  transition:border-color .2s ease,transform .2s ease;
}
.ccard:hover{border-color:var(--verre);transform:translateY(-3px)}
.ccard .c-lbl{font-size:.64rem;font-weight:700;letter-spacing:.26em;text-transform:uppercase;color:var(--verre);display:block;margin-bottom:10px}
.ccard b{font-family:var(--display);font-size:1.3rem;display:block;margin-bottom:4px}
.ccard span{font-size:.88rem;color:var(--muted)}

/* ---------- Footer ---------- */
footer{background:var(--encre);color:#AFC4BF;padding:36px 0}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
footer p{font-size:.86rem}
footer b{color:#fff}
footer .fine{font-size:.68rem;letter-spacing:.2em;text-transform:uppercase}
footer a{color:#7FBCAF;text-decoration:none}

.reveal,.reveal.in{opacity:1;transform:none;transition:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}