:root{
  --ink:#0E2433;
  --paper:#F6FAFC;
  --card:#FFFFFF;
  --line:#D7E4EC;
  --muted:#5B7284;
  --froid:#1E8FC4;
  --froid-deep:#0E5F8A;
  --froid-pale:#E3F2FA;
  --chaud:#E8752E;
  --chaud-deep:#B34E13;
  --chaud-pale:#FCEEE2;
  --accent:var(--froid);
  --accent-deep:var(--froid-deep);
  --accent-pale:var(--froid-pale);
  --radius:14px;
  --font-display:"Bricolage Grotesque",sans-serif;
  --font-body:"Figtree",sans-serif;
  --font-mono:"IBM Plex Mono",monospace;
}
html[data-mode="chaud"]{
  --accent:var(--chaud);
  --accent-deep:var(--chaud-deep);
  --accent-pale:var(--chaud-pale);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  transition:background .5s ease;
}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-deep);
  display:inline-flex;align-items:center;gap:.6em;
  transition:color .5s ease;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);transition:background .5s ease}
h1,h2,h3{font-family:var(--font-display);line-height:1.08;letter-spacing:-.015em}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:800;margin:.5rem 0 1rem}
.section{padding:88px 0}
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--font-display);font-weight:700;font-size:1rem;
  padding:.85em 1.5em;border-radius:999px;text-decoration:none;
  transition:transform .15s ease,box-shadow .15s ease,background .5s ease,color .5s ease;
  border:none;cursor:pointer;
}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 24px -8px var(--accent)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--accent)}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,250,252,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:baseline;gap:.5em;text-decoration:none}
.logo-name{font-family:var(--font-display);font-weight:800;font-size:1.45rem;letter-spacing:-.02em}
.logo-name span{color:var(--accent);transition:color .5s ease}
.logo-tag{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:flex;gap:2rem;list-style:none}
.nav-links a{text-decoration:none;font-weight:600;font-size:.95rem;color:var(--muted)}
.nav-links a:hover{color:var(--accent-deep)}
.nav-tel{font-family:var(--font-mono);font-size:.9rem}
@media(max-width:820px){.nav-links{display:none}}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:96px 0 110px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(720px 420px at 82% 18%,var(--accent-pale),transparent 70%),
    radial-gradient(520px 380px at 8% 92%,var(--accent-pale),transparent 70%);
  transition:background .6s ease;
}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}}
.hero h1{font-size:clamp(2.4rem,5.2vw,3.9rem);font-weight:800;margin:.6rem 0 1.1rem}
.hero h1 em{font-style:normal;color:var(--accent);transition:color .5s ease}
.hero p.lede{font-size:1.15rem;color:var(--muted);max-width:34em;margin-bottom:1.8rem}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:2.2rem}
.hero-points{display:flex;gap:26px;flex-wrap:wrap}
.point{display:flex;flex-direction:column;gap:2px}
.point b{font-family:var(--font-display);font-size:1.05rem;font-weight:700}
.point span{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* Thermostat signature */
.thermo{
  background:var(--card);border:1px solid var(--line);border-radius:24px;
  padding:34px 30px;box-shadow:0 24px 60px -30px rgba(14,36,51,.25);
  text-align:center;
}
.thermo-label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.thermo-value{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(3.4rem,6vw,4.6rem);line-height:1;
  color:var(--accent);transition:color .5s ease;
  font-variant-numeric:tabular-nums;
}
.thermo-value small{font-size:.4em;vertical-align:super;font-weight:700}
.thermo-mode{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;margin:6px 0 22px;color:var(--accent-deep);transition:color .5s ease}
.thermo-toggle{
  position:relative;display:grid;grid-template-columns:1fr 1fr;
  background:var(--paper);border:1.5px solid var(--line);border-radius:999px;
  padding:5px;gap:0;
}
.thermo-toggle button{
  position:relative;z-index:1;
  font-family:var(--font-display);font-weight:700;font-size:.95rem;
  background:none;border:none;padding:.7em 0;border-radius:999px;cursor:pointer;
  color:var(--muted);transition:color .3s ease;
}
.thermo-toggle button[aria-pressed="true"]{color:#fff}
.thermo-toggle::before{
  content:"";position:absolute;top:5px;bottom:5px;left:5px;width:calc(50% - 5px);
  background:var(--accent);border-radius:999px;
  transition:transform .35s cubic-bezier(.4,0,.2,1),background .5s ease;
}
html[data-mode="chaud"] .thermo-toggle::before{transform:translateX(100%)}
.thermo-note{font-size:.85rem;color:var(--muted);margin-top:16px}

/* ---------- Bandeau certifs ---------- */
.certs{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--card)}
.certs .wrap{display:flex;justify-content:space-between;gap:24px;padding-top:22px;padding-bottom:22px;flex-wrap:wrap}
.cert{display:flex;align-items:center;gap:12px;font-size:.9rem}
.cert svg{flex:none}
.cert b{display:block;font-family:var(--font-display);font-size:.95rem}
.cert span{color:var(--muted);font-size:.82rem}

/* ---------- Services ---------- */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:2.2rem}
@media(max-width:980px){.services-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.services-grid{grid-template-columns:1fr}}
.svc{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;display:flex;flex-direction:column;gap:10px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.svc:hover{transform:translateY(-4px);box-shadow:0 18px 40px -24px rgba(14,36,51,.3);border-color:var(--accent)}
.svc-ico{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:var(--accent-pale);color:var(--accent-deep);
  transition:background .5s ease,color .5s ease;
}
.svc h3{font-size:1.2rem;font-weight:700}
.svc p{font-size:.92rem;color:var(--muted)}
.svc .tag{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-deep);margin-top:auto;transition:color .5s ease}

/* ---------- Daikin ---------- */
.daikin{background:var(--ink);color:#EAF3F8;border-radius:28px;overflow:hidden}
.daikin .inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;padding:60px 56px;align-items:center}
@media(max-width:860px){.daikin .inner{grid-template-columns:1fr;padding:44px 30px}}
.daikin h2{color:#fff}
.daikin p{color:#A9C2D2;margin-bottom:1.4rem}
.daikin .eyebrow{color:#8FD2F2}
.daikin .eyebrow::before{background:#8FD2F2}
.daikin-badge{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:18px;padding:30px;text-align:center;
}
.daikin-badge .yr{font-family:var(--font-display);font-weight:800;font-size:3.2rem;color:#8FD2F2;line-height:1}
.daikin-badge .lbl{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:#A9C2D2;margin-top:8px}
.daikin-list{list-style:none;display:grid;gap:12px}
.daikin-list li{display:flex;gap:12px;align-items:flex-start;font-size:.98rem}
.daikin-list svg{flex:none;margin-top:4px;color:#8FD2F2}

/* ---------- Zone ---------- */
.zone-flex{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
@media(max-width:860px){.zone-flex{grid-template-columns:1fr}}
.zone p{color:var(--muted);margin-bottom:1.2rem}
.villes{display:flex;flex-wrap:wrap;gap:10px}
.ville{
  font-family:var(--font-mono);font-size:.8rem;
  padding:.5em 1em;border-radius:999px;
  background:var(--card);border:1px solid var(--line);
}
.ville.hq{background:var(--accent);color:#fff;border-color:var(--accent);transition:background .5s ease}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:2rem}
@media(max-width:760px){.contact-grid{grid-template-columns:1fr}}
.contact-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;display:flex;gap:16px;align-items:flex-start;text-decoration:none;
  transition:border-color .2s ease,transform .2s ease;
}
.contact-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.contact-card .ico{width:44px;height:44px;border-radius:12px;background:var(--accent-pale);color:var(--accent-deep);display:grid;place-items:center;flex:none;transition:background .5s ease,color .5s ease}
.contact-card b{font-family:var(--font-display);font-size:1.05rem;display:block}
.contact-card span{color:var(--muted);font-size:.92rem}
.contact-card .val{font-family:var(--font-mono);font-size:.95rem;color:var(--ink);margin-top:2px;display:block}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);padding:34px 0;background:var(--card)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
footer p{font-size:.85rem;color:var(--muted)}
footer .fine{font-family:var(--font-mono);font-size:.72rem}

.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}
}