/* ===================================
   BERTIN & FILS — Plomberie & chauffage
   Industriel · ardoise + jaune chantier
   =================================== */
:root{
  --slate:#1c1f24;--slate-soft:#2a2f37;--slate-line:#3a4049;
  --steel:#5a6470;--steel-soft:#a5adb8;
  --paper:#f2f0ec;--paper-soft:#dad6cd;
  --yellow:#f5c116;--yellow-deep:#d9a90b;
  --red:#d54848;
  --display:"Archivo Black",Impact,sans-serif;
  --display-narrow:"Barlow Condensed",sans-serif;
  --sans:"Inter Tight","Inter",sans-serif;
  --mono:"JetBrains Mono",monospace;
  --pad:clamp(20px,4vw,56px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--slate);font-family:var(--sans);font-size:16px;line-height:1.6;font-weight:400;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3{font-family:var(--display);font-weight:900;line-height:.95;color:var(--slate);letter-spacing:-0.01em;text-transform:uppercase}
h1{font-size:clamp(56px,10vw,160px)}
h2{font-size:clamp(36px,6vw,84px)}
h3{font-size:clamp(20px,2.4vw,32px)}
h4{font-family:var(--display-narrow);font-weight:700;font-size:18px;letter-spacing:0.04em;text-transform:uppercase;color:var(--slate)}

.eyebrow{display:inline-block;background:var(--yellow);color:var(--slate);padding:6px 16px;font-family:var(--display-narrow);font-weight:700;font-size:14px;letter-spacing:0.12em;text-transform:uppercase;transform:skew(-8deg)}

/* ========== BANDEAU URGENCE TOP ========== */
.urgence-bar{
  background:var(--red);color:#fff;
  padding:10px var(--pad);display:flex;justify-content:space-between;align-items:center;gap:20px;
  font-family:var(--display-narrow);font-weight:600;font-size:15px;text-transform:uppercase;letter-spacing:0.05em;flex-wrap:wrap
}
.urgence-bar .pulse{display:inline-flex;align-items:center;gap:8px}
.urgence-bar .pulse::before{content:"";width:10px;height:10px;background:#fff;border-radius:50%;animation:flash 1.2s infinite}
@keyframes flash{0%,100%{opacity:1}50%{opacity:.4;transform:scale(.8)}}
.urgence-bar a.phone{font-family:var(--display);font-size:22px;letter-spacing:0.02em;color:#fff;display:inline-flex;align-items:center;gap:8px}
.urgence-bar a.phone:hover{color:var(--yellow)}

/* ========== HEADER ========== */
.site-header{
  background:var(--slate);color:var(--paper);
  padding:14px var(--pad);
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:30px;
  border-bottom:4px solid var(--yellow);position:sticky;top:0;z-index:50
}
.brand{display:flex;align-items:center;gap:14px}
.brand-mark{
  width:54px;height:54px;background:var(--yellow);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--display);font-size:28px;color:var(--slate);
  clip-path:polygon(0 0,100% 0,90% 100%,10% 100%)
}
.brand-text{font-family:var(--display);font-size:22px;color:var(--paper);letter-spacing:0.02em;line-height:1}
.brand-text small{display:block;font-family:var(--display-narrow);font-weight:600;font-size:11px;color:var(--yellow);margin-top:4px;letter-spacing:0.12em;text-transform:uppercase}

.main-nav{display:flex;justify-content:center;gap:30px}
.main-nav a{font-family:var(--display-narrow);font-weight:600;font-size:16px;letter-spacing:0.06em;text-transform:uppercase;color:var(--paper);padding:6px 4px;border-top:3px solid transparent;border-bottom:3px solid transparent;transition:border-color .2s ease}
.main-nav a:hover,.main-nav a.active{border-bottom-color:var(--yellow)}

.btn-quote{
  background:var(--yellow);color:var(--slate);padding:14px 24px;font-family:var(--display);font-size:14px;
  letter-spacing:0.04em;text-transform:uppercase;display:inline-flex;align-items:center;gap:10px;
  clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%);
  transition:background .2s ease,color .2s ease
}
.btn-quote:hover{background:var(--paper)}

.burger{display:none;background:none;border:none;cursor:pointer;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0}
.burger span{width:24px;height:3px;background:var(--paper)}

@media(max-width:900px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--slate);flex-direction:column;padding:20px var(--pad);border-bottom:4px solid var(--yellow)}
  .main-nav.open{display:flex}
  .burger{display:flex}
}

/* ========== HERO ========== */
.hero{
  background:var(--slate);color:var(--paper);position:relative;
  padding:80px var(--pad) 100px;overflow:hidden
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(90deg,transparent,transparent 90px,rgba(245,193,22,.03) 90px,rgba(245,193,22,.03) 91px),
    repeating-linear-gradient(0deg,transparent,transparent 90px,rgba(245,193,22,.03) 90px,rgba(245,193,22,.03) 91px);
}
.hero-bg-text{
  position:absolute;font-family:var(--display);font-size:clamp(180px,28vw,420px);color:rgba(255,255,255,.03);bottom:-40px;right:-20px;line-height:.8;pointer-events:none;letter-spacing:-0.05em
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr 1fr;gap:60px;align-items:end}
.hero h1{color:var(--paper);margin:20px 0 28px}
.hero h1 .y{color:var(--yellow);text-shadow:6px 6px 0 var(--slate-soft)}
.hero h1 .stroke{-webkit-text-stroke:2px var(--yellow);color:transparent}
.hero .lede{font-size:19px;color:var(--steel-soft);max-width:50ch;margin-bottom:30px;line-height:1.6}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

.btn-yellow{background:var(--yellow);color:var(--slate);padding:18px 30px;font-family:var(--display);font-size:14px;letter-spacing:0.04em;text-transform:uppercase;display:inline-flex;align-items:center;gap:10px;clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%);transition:background .2s ease}
.btn-yellow:hover{background:var(--paper)}
.btn-outline{background:transparent;color:var(--paper);padding:16px 28px;font-family:var(--display);font-size:14px;letter-spacing:0.04em;text-transform:uppercase;border:2px solid var(--paper);display:inline-flex;align-items:center;gap:10px;transition:all .2s ease}
.btn-outline:hover{background:var(--paper);color:var(--slate)}

.hero-card{
  background:var(--paper);color:var(--slate);padding:30px;
  position:relative;clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,20px 100%,0 calc(100% - 20px))
}
.hero-card .stamp{
  position:absolute;top:-12px;right:24px;
  background:var(--red);color:#fff;font-family:var(--display);font-size:12px;letter-spacing:0.1em;text-transform:uppercase;padding:6px 14px;transform:rotate(2deg)
}
.hero-card h4{margin-bottom:14px;font-size:20px}
.hero-card .price{font-family:var(--display);font-size:54px;color:var(--slate);line-height:1}
.hero-card .price small{font-family:var(--display-narrow);font-size:18px;color:var(--steel);font-weight:600;letter-spacing:0.06em;text-transform:uppercase}
.hero-card ul{list-style:none;margin-top:18px;display:grid;gap:6px}
.hero-card li{font-size:14px;color:var(--slate-soft);padding-left:24px;position:relative}
.hero-card li::before{content:"▸";position:absolute;left:0;color:var(--yellow);font-weight:700}

@media(max-width:800px){.hero-grid{grid-template-columns:1fr;gap:40px}}

/* ========== TRUST BAND ========== */
.trust{background:var(--yellow);padding:30px var(--pad);display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;color:var(--slate)}
.trust .item{font-family:var(--display);font-size:18px;letter-spacing:0.04em;text-transform:uppercase}
.trust .item small{display:block;font-family:var(--display-narrow);font-weight:600;font-size:13px;color:var(--slate-soft);margin-top:4px;letter-spacing:0.08em}
@media(max-width:700px){.trust{grid-template-columns:1fr 1fr;gap:14px;text-align:left}}

/* ========== SERVICES ========== */
.services{padding:100px var(--pad);background:var(--paper)}
.section-head{margin-bottom:60px}
.section-head h2{margin-top:14px;max-width:18ch}
.section-head .desc{max-width:50ch;color:var(--steel);font-size:17px;margin-top:18px}

.serv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.serv{
  background:#fff;padding:32px;border:2px solid var(--slate);position:relative;
  transition:transform .3s ease,background .3s ease,color .3s ease
}
.serv::before{content:"";position:absolute;top:0;left:0;width:0;height:6px;background:var(--yellow);transition:width .4s ease}
.serv:hover::before{width:100%}
.serv:hover{transform:translateY(-4px);background:var(--slate);color:var(--paper)}
.serv:hover h3{color:var(--paper)}
.serv .num{font-family:var(--display);font-size:48px;color:var(--yellow);line-height:1;display:block;margin-bottom:12px}
.serv h3{margin-bottom:10px;transition:color .3s ease}
.serv p{font-size:15px;color:var(--steel);margin-bottom:18px}
.serv:hover p{color:var(--steel-soft)}
.serv .arr{font-family:var(--display-narrow);font-weight:700;font-size:14px;letter-spacing:0.1em;text-transform:uppercase;color:var(--slate)}
.serv:hover .arr{color:var(--yellow)}
@media(max-width:900px){.serv-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.serv-grid{grid-template-columns:1fr}}

/* ========== METHOD ========== */
.method{background:var(--slate);color:var(--paper);padding:100px var(--pad)}
.method h2{color:var(--paper)}
.method h2 .y{color:var(--yellow)}
.method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:50px;border-left:1px solid var(--slate-line)}
.method-step{padding:30px;border-right:1px solid var(--slate-line)}
.method-step .num{font-family:var(--display);font-size:64px;color:var(--yellow);line-height:1;display:block}
.method-step h4{margin:12px 0 10px;color:var(--paper)}
.method-step p{font-size:13px;color:var(--steel-soft);line-height:1.6}
@media(max-width:900px){.method-grid{grid-template-columns:1fr 1fr}}
@media(max-width:500px){.method-grid{grid-template-columns:1fr}}

/* ========== AVIS ========== */
.avis{padding:100px var(--pad);background:var(--paper)}
.avis-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.avis-card{background:#fff;padding:32px;border:1px solid var(--slate-line);position:relative}
.avis-card::before{content:"★★★★★";color:var(--yellow);font-size:18px;letter-spacing:2px;display:block;margin-bottom:14px}
.avis-card p{font-size:16px;color:var(--slate);line-height:1.6;margin-bottom:20px;font-style:italic}
.avis-card cite{display:block;font-family:var(--display);font-size:14px;color:var(--slate);font-style:normal;letter-spacing:0.04em;text-transform:uppercase}
.avis-card cite small{display:block;font-family:var(--sans);font-size:12px;color:var(--steel);text-transform:none;letter-spacing:0;margin-top:4px;font-weight:400}
@media(max-width:800px){.avis-grid{grid-template-columns:1fr}}

/* ========== CTA URGENCE ========== */
.cta-urg{background:var(--red);color:#fff;padding:80px var(--pad);text-align:center}
.cta-urg h2{color:#fff;font-size:clamp(48px,8vw,120px)}
.cta-urg h2 .stroke{-webkit-text-stroke:2px #fff;color:transparent}
.cta-urg p{font-size:19px;max-width:50ch;margin:20px auto 30px;color:rgba(255,255,255,.85)}
.cta-urg .phone-big{font-family:var(--display);font-size:clamp(40px,8vw,90px);color:#fff;display:inline-block;padding:14px 40px;background:rgba(0,0,0,.2);letter-spacing:0.02em;border:3px solid #fff}
.cta-urg .phone-big:hover{background:#000}

/* ========== PAGE INTERVENTIONS ========== */
.page-hero{background:var(--slate);color:var(--paper);padding:80px var(--pad)}
.page-hero h1{color:var(--paper)}
.page-hero .lede{font-size:19px;color:var(--steel-soft);max-width:60ch;margin-top:18px}

.interventions{padding:80px var(--pad)}
.int-row{display:grid;grid-template-columns:1fr 2fr 1fr;gap:30px;padding:30px 0;border-bottom:2px solid var(--slate);align-items:center}
.int-row .ti{font-family:var(--display);font-size:22px;letter-spacing:0.02em}
.int-row .descx{color:var(--steel);font-size:15px}
.int-row .pri{text-align:right;font-family:var(--display);font-size:18px;color:var(--red);letter-spacing:0.02em}
.int-row .pri small{display:block;font-family:var(--display-narrow);font-weight:600;font-size:11px;color:var(--steel);text-transform:uppercase;letter-spacing:0.1em;margin-top:4px}
@media(max-width:700px){.int-row{grid-template-columns:1fr;gap:8px}.int-row .pri{text-align:left}}

/* ========== ZONE ========== */
.zone-band{background:var(--yellow);padding:60px var(--pad)}
.zone-band h2{color:var(--slate);max-width:18ch}
.zone-band .villes{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.zone-band .villes span{background:var(--slate);color:var(--yellow);padding:8px 16px;font-family:var(--display-narrow);font-weight:600;font-size:14px;letter-spacing:0.08em;text-transform:uppercase}

/* ========== DEVIS PAGE ========== */
.devis-page{padding:80px var(--pad);display:grid;grid-template-columns:1fr 1.2fr;gap:50px}
.devis-form{background:var(--slate);color:var(--paper);padding:40px}
.devis-form h3{color:var(--paper);margin-bottom:20px;font-size:32px}
.devis-form label{display:block;font-family:var(--display-narrow);font-weight:600;font-size:13px;letter-spacing:0.1em;text-transform:uppercase;color:var(--yellow);margin-bottom:6px}
.devis-form input,.devis-form select,.devis-form textarea{
  width:100%;padding:14px;background:var(--slate-soft);border:1px solid var(--slate-line);
  color:var(--paper);font-family:var(--sans);font-size:15px;outline:none;margin-bottom:18px;transition:border-color .25s ease
}
.devis-form input:focus,.devis-form select:focus,.devis-form textarea:focus{border-color:var(--yellow)}
.devis-form textarea{min-height:120px;resize:vertical}
.devis-form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:800px){.devis-page{grid-template-columns:1fr}.devis-form .row{grid-template-columns:1fr}}

.devis-info .card{background:var(--paper-soft);padding:24px;border-left:6px solid var(--yellow);margin-bottom:14px}
.devis-info h4{margin-bottom:8px}
.devis-info p{font-size:15px;color:var(--slate-soft)}

/* ========== FOOTER ========== */
.site-footer{background:var(--slate);color:var(--steel-soft);padding:60px var(--pad) 30px;border-top:4px solid var(--yellow)}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--slate-line)}
.footer-brand .brand-text{color:var(--paper)}
.footer-brand p{margin-top:16px;max-width:36ch;font-size:14px}
.footer-col h4{color:var(--yellow);margin-bottom:18px;font-family:var(--display-narrow)}
.footer-col a,.footer-col span{display:block;padding:5px 0;font-size:14px}
.footer-col a:hover{color:var(--yellow)}
.footer-bot{display:flex;justify-content:space-between;padding-top:24px;font-size:12px;font-family:var(--mono);color:var(--steel)}
@media(max-width:800px){.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-bot{flex-direction:column;gap:8px;text-align:center}}

.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}
.reveal[data-delay="1"]{transition-delay:.1s}
.reveal[data-delay="2"]{transition-delay:.2s}