/* =========================================================
   FRANCE CONSEIL HUMIDITÉ — design system premium (B2C)
   Bleus de marque + accent vert « résultat ». Space Grotesk + Inter.
   ========================================================= */
:root{
  --blue:#1F4880;        /* bleu profond marque */
  --blue2:#2E6DB4;       /* bleu moyen */
  --blue3:#5B8FC9;
  --sky:#7FB0DD;         /* goutte logo */
  --green:#3E9B2E;       /* accent CTA / résultat */
  --green-d:#2E7D22;
  --green-bright:#5BC23E;
  --ink:#14233a;
  --ink-blue:#0e2747;    /* sections sombres */
  --muted:#5b6b7a;
  --line:#e4ecf4;
  --bg:#ffffff;
  --bg-soft:#f4f8fc;
  --bg-mint:#eaf3fb;
  --shadow-sm:0 2px 10px rgba(20,60,120,.06);
  --shadow:0 14px 40px rgba(20,60,120,.10);
  --shadow-lg:0 30px 70px rgba(14,39,71,.22);
  --display:'Space Grotesk',sans-serif;
  --body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --maxw:1200px;
  --nav-h:76px;
  --r:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.12;color:var(--ink);letter-spacing:-.02em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:clamp(60px,8vw,116px) 0}
.section.soft{background:var(--bg-soft)}
.section.mint{background:var(--bg-mint)}
.section.dark{background:radial-gradient(120% 120% at 80% 0%,#1c4a86,#0c2244);color:#dce9f7}
.dark h1,.dark h2,.dark h3{color:#fff}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);font-weight:600;font-size:1rem;
  padding:14px 26px;border-radius:100px;border:1.5px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 22px rgba(62,155,46,.28)}
.btn-primary:hover{background:var(--green-d);transform:translateY(-2px)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:#173962;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-outline{background:#fff;color:var(--blue);border-color:var(--line)}
.btn-outline:hover{border-color:var(--blue2);color:var(--blue2)}
.btn-lg{padding:17px 32px;font-size:1.08rem}

/* ---------- Eyebrow / headings ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);font-weight:600;font-size:.78rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--blue2)}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--green)}
.dark .eyebrow{color:var(--sky)}
.section-head{max-width:720px;margin:0 auto 54px;text-align:center}
.section-head h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-top:16px}
.section-head p{margin-top:16px;font-size:1.1rem;color:var(--muted)}
.dark .section-head p{color:#a9c6e6}
.section-head.left{margin-left:0;text-align:left}

/* ---------- Header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);
  display:flex;align-items:center;border-bottom:1px solid transparent;transition:.3s}
.site-header.scrolled{background:rgba(255,255,255,.9);backdrop-filter:blur(14px);box-shadow:var(--shadow-sm);border-color:var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:flex;align-items:center;gap:12px;z-index:1002}
.brand .mono{width:44px;height:44px;border-radius:12px;background:var(--blue);color:#fff;font-family:var(--display);font-weight:700;
  font-size:1.05rem;letter-spacing:.5px;display:flex;align-items:center;justify-content:center;position:relative;flex:0 0 auto}
.brand .mono::after{content:"";position:absolute;top:-4px;right:-4px;width:14px;height:14px;border-radius:50% 50% 50% 0;
  background:var(--sky);transform:rotate(45deg);box-shadow:0 2px 6px rgba(0,0,0,.15)}
.brand .name{font-family:var(--display);font-weight:700;line-height:1.05;letter-spacing:-.01em}
.brand .name b{display:block;font-size:1.02rem;color:#fff}
.brand .name span{display:block;font-size:.66rem;letter-spacing:.22em;color:var(--sky);font-weight:600}
.site-header.scrolled .brand .name b{color:var(--blue)}
.site-header.scrolled .brand .name span{color:var(--blue2)}
.nav{display:flex;align-items:center;gap:3px}
.nav a{font-family:var(--display);font-weight:500;font-size:.93rem;color:#eaf2fb;padding:9px 13px;border-radius:100px;transition:.2s}
.nav a:hover{background:rgba(255,255,255,.14);color:#fff}
.nav a.active{color:#fff;font-weight:600}
.site-header.scrolled .nav a{color:var(--ink)}
.site-header.scrolled .nav a:hover{background:var(--bg-mint);color:var(--blue)}
.site-header.scrolled .nav a.active{color:var(--blue)}
.header-cta{display:flex;align-items:center;gap:12px}
.header-tel{display:flex;align-items:center;gap:8px;font-family:var(--display);font-weight:600;font-size:.95rem;color:#fff;white-space:nowrap}
.header-tel svg{width:17px;height:17px;color:var(--green-bright)}
.site-header.scrolled .header-tel{color:var(--blue)}
.site-header.scrolled .header-tel svg{color:var(--green)}
.burger{display:none;width:46px;height:46px;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.1);border-radius:12px;
  cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center;z-index:1002}
.site-header.scrolled .burger{border-color:var(--line);background:#fff}
.burger span{width:20px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.site-header.scrolled .burger span{background:var(--ink)}

/* ---------- Hero (home) ---------- */
.hero{position:relative;color:#fff;padding:calc(var(--nav-h) + 64px) 0 clamp(70px,9vw,120px);overflow:hidden;
  background:linear-gradient(115deg,rgba(12,34,68,.93),rgba(18,52,98,.72)),url('../img/infiltrations-hero.jpg') center/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 80% at 85% 10%,rgba(91,194,62,.18),transparent 60%)}
.hero .wrap{position:relative;z-index:2;max-width:1120px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.3rem,5vw,3.7rem);color:#fff}
.hero h1 .hl{color:var(--green-bright)}
.hero p.lead{margin-top:20px;font-size:1.18rem;color:#cfe1f4;max-width:560px}
.hero .checks{list-style:none;margin:24px 0 30px;display:flex;flex-wrap:wrap;gap:10px 24px}
.hero .checks li{font-size:.98rem;color:#e7f0fa;display:flex;align-items:center;gap:8px}
.hero .checks li svg{width:18px;height:18px;color:var(--green-bright);flex:0 0 auto}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:14px}
.hero .badges{margin-top:26px;font-family:var(--display);font-size:.74rem;letter-spacing:.13em;color:#9dbbdd;text-transform:uppercase}

/* hero side card (mini form / trust) */
.hero-card{background:rgba(255,255,255,.97);color:var(--ink);border-radius:20px;padding:26px;box-shadow:var(--shadow-lg)}
.hero-card h3{font-size:1.25rem;color:var(--blue)}
.hero-card p{color:var(--muted);font-size:.94rem;margin:6px 0 16px}
.field{margin-bottom:12px}
.field label{display:block;font-weight:600;font-size:.85rem;margin-bottom:5px;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:11px;
  font-size:.95rem;font-family:inherit;color:var(--ink);background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue2);box-shadow:0 0 0 3px rgba(46,109,180,.12)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:.78rem;color:var(--muted);margin:8px 0 14px}
.consent input{margin-top:3px}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{padding:calc(var(--nav-h) + 62px) 0 64px;color:#fff;position:relative;overflow:hidden;
  background:radial-gradient(120% 120% at 82% 0%,#1c4a86,#0b2042)}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(45% 60% at 85% 0%,rgba(91,194,62,.16),transparent 65%)}
.page-hero .wrap{position:relative;z-index:2}
.breadcrumb{font-family:var(--display);font-size:.84rem;color:#8fb4dd}
.breadcrumb a:hover{color:#fff}
.page-hero h1{color:#fff;font-size:clamp(2rem,4.2vw,3rem);margin-top:14px;max-width:18ch}
.page-hero p{color:#c6dcf2;max-width:640px;margin-top:16px;font-size:1.12rem}
.page-hero .cta-row{margin-top:26px;display:flex;flex-wrap:wrap;gap:13px}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow-sm);transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d4e2f1}
.card .ic{width:52px;height:52px;border-radius:14px;background:var(--bg-mint);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .ic svg{width:26px;height:26px}
.card h3{font-size:1.18rem;color:var(--blue);margin-bottom:8px}
.card p{color:var(--muted);font-size:.96rem}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-family:var(--display);font-weight:600;font-size:.9rem;color:var(--green-d)}
.card .more svg{width:16px;height:16px;transition:.2s}
.card:hover .more svg{transform:translateX(3px)}

/* feature split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.rev .split-media{order:2}
.split-media img{border-radius:var(--r);box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover;max-height:440px}
.split h2{font-size:clamp(1.7rem,3vw,2.4rem)}
.split .lead{color:var(--muted);font-size:1.08rem;margin:16px 0 20px}
.ticks{list-style:none;display:grid;gap:11px}
.ticks li{display:flex;gap:11px;align-items:flex-start;color:var(--ink);font-size:1rem}
.ticks li svg{width:21px;height:21px;color:var(--green);flex:0 0 auto;margin-top:2px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;position:relative}
.step .n{width:42px;height:42px;border-radius:50%;background:var(--blue);color:#fff;font-family:var(--display);font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step h3{font-size:1.08rem;color:var(--blue);margin-bottom:6px}
.step p{color:var(--muted);font-size:.92rem}

/* stats */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat .big{font-family:var(--display);font-weight:700;font-size:clamp(2rem,4vw,2.8rem);color:var(--blue)}
.dark .stat .big{color:#fff}
.stat .lbl{color:var(--muted);font-size:.95rem;margin-top:4px}
.dark .stat .lbl{color:#a9c6e6}

/* testimonials */
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow-sm)}
.quote .stars{color:#f5a623;font-size:1.05rem;letter-spacing:2px}
.quote p{color:var(--ink);font-size:1rem;margin:12px 0}
.quote .who{font-family:var(--display);font-weight:600;color:var(--blue);font-size:.92rem}
.quote .who span{display:block;color:var(--muted);font-weight:400;font-size:.82rem}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery figure{margin:0;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
.gallery img{width:100%;height:250px;object-fit:cover;transition:.4s}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{padding:13px 16px;font-size:.9rem;color:var(--muted);font-weight:500}

/* before/after */
.ba-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.ba{position:relative;margin:0;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
.ba img{width:100%;height:320px;object-fit:cover}
.ba figcaption{padding:14px 16px;color:var(--muted);font-size:.92rem}
.ba .tag{position:absolute;top:0;left:0;color:#fff;font-family:var(--display);font-weight:700;padding:7px 18px;font-size:.85rem;z-index:2}
.tag-av{background:#d23b3b}.tag-ap{background:var(--green-d)}

/* pill badges */
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-flex;align-items:center;gap:7px;background:var(--bg-mint);color:var(--blue);border:1px solid #d6e6f5;
  border-radius:100px;padding:8px 15px;font-size:.86rem;font-weight:600;font-family:var(--display)}
.pill svg{width:15px;height:15px;color:var(--green)}

/* CTA band */
.cta-band{background:radial-gradient(120% 140% at 15% 0%,#2a5da0,#0d2546);color:#fff;border-radius:24px;padding:clamp(34px,5vw,60px);text-align:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(50% 70% at 85% 30%,rgba(91,194,62,.22),transparent 60%)}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(1.7rem,3.4vw,2.5rem)}
.cta-band p{color:#cfe1f4;max-width:560px;margin:14px auto 26px;font-size:1.1rem}
.cta-band .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* prose (legal etc.) */
.prose{max-width:820px;margin:0 auto}
.prose h2{font-size:1.5rem;margin:40px 0 12px;color:var(--blue)}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{color:var(--muted);line-height:1.75}
.prose ul{margin:10px 0 10px 18px}
.prose a{color:var(--blue2);font-weight:500}

/* ---------- Footer ---------- */
.site-footer{background:#0c1f38;color:#9fb8d4;padding:64px 0 30px;font-size:.94rem}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:30px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:14px;letter-spacing:.04em}
.footer-col a{display:block;color:#bdd2ea;margin:7px 0;transition:.2s}
.footer-col a:hover{color:#fff}
.footer-blurb{margin:14px 0 16px;color:#9fb8d4;max-width:300px}
.footer-brand .name b{display:block;color:#fff;font-family:var(--display);font-size:1.05rem}
.footer-brand .name span{color:var(--sky);font-size:.66rem;letter-spacing:.2em}
.footer-contact a{display:flex;align-items:center;gap:9px}
.footer-contact svg{width:16px;height:16px;color:var(--green-bright)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;color:#9fb8d4;font-size:.82rem}

/* sticky mobile call */
.sticky-call{display:none}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-card{max-width:480px}
  .split{grid-template-columns:1fr;gap:30px}
  .split.rev .split-media{order:0}
  .grid-4,.stat-strip,.steps{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  :root{--nav-h:64px}
  .nav{position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:18px 22px 40px;gap:0;transform:translateX(100%);transition:transform .35s cubic-bezier(.2,.8,.3,1);
    box-shadow:var(--shadow-lg);overflow-y:auto;z-index:1300}
  .nav.open{transform:none}
  .nav a,.site-header .nav a{width:100%;padding:15px 14px;font-size:1.08rem;border-bottom:1px solid var(--line);border-radius:0;color:var(--ink)}
  .nav a.active{color:var(--blue)}
  .burger{display:flex}
  .header-cta .header-tel{display:none}
  .grid-2,.grid-3,.grid-4,.steps,.stat-strip,.gallery,.ba-grid,.footer-top,.row2{grid-template-columns:1fr}
  .site-footer{padding-bottom:96px}
  .sticky-call{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:900;background:var(--green);color:#fff;
    font-family:var(--display);font-weight:700;align-items:center;justify-content:center;gap:10px;padding:15px;
    box-shadow:0 -6px 24px rgba(0,0,0,.18)}
}
@media(max-width:1180px){ .header-tel{display:none} .nav a{padding:9px 10px;font-size:.88rem} }