/* Ivoire Froid & Construction — feuille de style unique.
   Concept : plan de chantier. Trame de calepinage bleue, enseigne bleu marine et orange,
   nomenclature numérotée des travaux. Thème clair assumé : le logo est sur fond blanc. */

@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/barlow-condensed-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/barlow-condensed-latin-700-normal.woff2") format("woff2")}
@font-face{font-family:"Barlow";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/barlow-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Barlow";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/barlow-latin-600-normal.woff2") format("woff2")}

:root{
  --navy:#0B2A59;
  --navy-deep:#071B3E;
  --blue:#1456B8;
  --orange:#F28C28;
  --orange-hi:#FFA24D;
  --orange-ink:#B84F06;
  --ink:#0E1B2E;
  --paper:#FFFFFF;
  --mist:#EEF3FA;
  --line:#D3DDEB;
  --slate:#475872;
  --grid:rgba(20,86,184,.075);

  --f-display:"Barlow Condensed","Arial Narrow","Roboto Condensed",Arial,sans-serif;
  --f-body:"Barlow",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;

  --gutter:max(16px,env(safe-area-inset-left,0px));
  --gutter-r:max(16px,env(safe-area-inset-right,0px));
  --radius:4px;
  --dock-h:68px;
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:1.0625rem;line-height:1.6;
  padding-bottom:calc(var(--dock-h) + env(safe-area-inset-bottom,0px));overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
h1,h2,h3{font-family:var(--f-display);font-weight:700;line-height:1.02;margin:0;color:var(--navy);text-wrap:balance}
p{margin:0 0 1rem}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:10px 14px;z-index:100;border-radius:var(--radius)}
.skip:focus{left:8px}

.wrap{width:100%;max-width:1160px;margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter-r)}

/* ---------- boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 24px;border:2px solid transparent;
  border-radius:var(--radius);font-family:var(--f-display);font-weight:700;font-size:1.3rem;letter-spacing:.03em;text-transform:uppercase;
  text-decoration:none;cursor:pointer;transition:background-color .15s,color .15s,border-color .15s;line-height:1;text-align:center}
.btn .ic{flex:none}
.btn-primary{background:var(--orange);color:var(--navy-deep)}
.btn-primary:hover{background:var(--orange-hi)}
.btn-secondary{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-secondary:hover{background:var(--navy);color:#fff}
.btn-sm{min-height:44px;padding:0 16px;font-size:1.1rem}
.btn-block{width:100%}

/* ---------- en-tête ---------- */
.top{position:sticky;top:0;z-index:40;background:var(--paper);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:82px;padding-top:6px;padding-bottom:6px}
.brand img{height:66px;width:auto}
.nav{display:none;gap:28px;margin-left:auto}
.nav a{font-family:var(--f-display);font-weight:600;font-size:1.2rem;letter-spacing:.04em;text-transform:uppercase;text-decoration:none;color:var(--navy);padding:8px 2px;border-bottom:3px solid transparent}
.nav a:hover{border-bottom-color:var(--orange)}

/* ---------- héros ---------- */
.eyebrow{font-family:var(--f-display);font-weight:600;font-size:1.1rem;letter-spacing:.14em;text-transform:uppercase;color:var(--orange-ink);margin:0 0 .6rem}
.hero{position:relative;background-color:var(--paper);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px),
  linear-gradient(rgba(20,86,184,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(20,86,184,.05) 1px,transparent 1px);
  background-size:140px 140px,140px 140px,28px 28px,28px 28px;border-bottom:1px solid var(--line)}
.hero-in{display:grid;gap:32px;padding-top:36px;padding-bottom:44px}
.hero h1{font-size:clamp(2.7rem,9.2vw,3.9rem);text-transform:uppercase;letter-spacing:.005em;line-height:.94}
.hero h1 .accent{color:var(--blue)}
.hero .h1-sm{font-size:clamp(2.1rem,6.4vw,3.6rem);line-height:.98}
.lead{font-size:1.2rem;line-height:1.55;color:var(--ink);max-width:36em;margin:1.1rem 0 1.5rem}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.cta .btn{flex:1 1 auto;white-space:nowrap}
.facts{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:1.4rem;font-family:var(--f-display);font-weight:600;font-size:1.15rem;letter-spacing:.06em;text-transform:uppercase;color:var(--navy)}
.facts li{display:flex;align-items:center;gap:8px}
.facts li::before{content:"";width:10px;height:10px;background:var(--orange);flex:none}
.hero-p{margin:0;position:relative;align-self:center}
.hero-p::before{content:"";position:absolute;inset:14px -10px -14px 14px;background:var(--orange);z-index:0;border-radius:var(--radius)}
.hero-p img{position:relative;z-index:1;width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius);border:3px solid var(--navy)}
.hero-sub .hero-p img{aspect-ratio:16/10}

/* ---------- sections ---------- */
.sec{padding:56px 0}
.sec-alt{background:var(--mist)}
.sec h2{font-size:clamp(1.9rem,5.4vw,3rem);margin-bottom:1.6rem;max-width:20em}
.h2-md{font-size:clamp(1.7rem,4.6vw,2.3rem)!important;margin-bottom:1rem!important}
.h2-sm{font-size:clamp(1.5rem,4vw,1.9rem)!important;margin-bottom:1rem!important}

/* cartes divisions */
.cards{display:grid;gap:20px;grid-template-columns:1fr}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex}
.card-a{display:flex;flex-direction:column;width:100%;text-decoration:none;color:inherit}
.card-a img{width:100%;aspect-ratio:16/8;object-fit:cover;border-bottom:3px solid var(--orange)}
.card-b{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-b h3{font-size:1.7rem}
.card-b p{margin:0;color:var(--slate)}
.more{margin-top:auto;padding-top:8px;display:inline-flex;align-items:center;gap:8px;font-family:var(--f-display);font-weight:700;font-size:1.15rem;letter-spacing:.05em;text-transform:uppercase;color:var(--blue)}
.card-a:hover{background:var(--mist)}
.card-a:hover .more{color:var(--navy)}

/* nomenclature */
.rows{border-top:3px solid var(--navy)}
.row{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;align-items:start;padding:18px 4px;border-bottom:1px solid var(--line)}
.row-n{font-family:var(--f-display);font-weight:700;font-size:2.2rem;line-height:1;color:var(--orange-ink);min-width:2.1ch}
.row-t h3{font-size:1.6rem;margin-bottom:4px}
.row-t p{margin:0;color:var(--slate)}
.row-act{grid-column:2;display:inline-flex;align-items:center;gap:8px;font-family:var(--f-display);font-weight:700;font-size:1.15rem;letter-spacing:.05em;text-transform:uppercase;text-decoration:none;color:var(--blue);padding:4px 0}
.row-act:hover{color:var(--navy)}
.row:hover{background:rgba(255,255,255,.7)}

/* étapes */
.steps{display:grid;gap:22px;grid-template-columns:1fr;counter-reset:s}
.steps li{display:flex;gap:16px;align-items:flex-start}
.step-n{flex:none;width:48px;height:48px;display:grid;place-items:center;background:var(--navy);color:#fff;font-family:var(--f-display);font-weight:700;font-size:1.7rem;border-radius:var(--radius)}
.steps h3{font-size:1.6rem;margin-bottom:4px}
.steps p{margin:0;color:var(--slate)}

/* pages divisions */
.groups{display:grid;gap:44px}
.group{display:grid;gap:20px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.group:last-child{border-bottom:0;padding-bottom:0}
.ticks{display:grid;gap:10px 28px;grid-template-columns:1fr}
.ticks li{display:flex;gap:10px;align-items:flex-start;font-size:1.1rem}
.ck{flex:none;color:var(--orange-ink);margin-top:3px}
.note{margin:1.2rem 0 0;padding:12px 14px;background:var(--mist);border-left:4px solid var(--orange);color:var(--navy);font-weight:600}
.g-img{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:var(--radius);border:3px solid var(--navy)}
.chips{display:grid;gap:10px;grid-template-columns:1fr}
.chips a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  text-decoration:none;color:var(--navy);font-family:var(--f-display);font-weight:700;font-size:1.35rem;letter-spacing:.03em;text-transform:uppercase}
.chips a:hover{border-color:var(--navy);background:#fff}

/* formulaire */
.sec-form{background:var(--navy);color:#fff;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:28px 28px}
.sec-form h2,.sec-form .eyebrow{color:#fff}
.sec-form .eyebrow{color:var(--orange)}
.form-grid{display:grid;gap:32px}
.form-intro p{color:#E5ECF8}
.direct{font-size:1.25rem;line-height:1.5}
.direct a{color:#fff;font-weight:600}
.small{font-size:.95rem;color:var(--slate)}
.form-intro .small{color:#C5D3EA}
.form{background:var(--paper);color:var(--ink);padding:22px;border-radius:var(--radius);border-top:6px solid var(--orange);display:grid;gap:16px}
.field{display:grid;gap:6px}
.field label{font-weight:600;color:var(--navy)}
.field input,.field select,.field textarea{width:100%;min-height:50px;padding:10px 12px;border:2px solid var(--line);border-radius:var(--radius);font:inherit;color:var(--ink);background:#fff}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid rgba(20,86,184,.35);border-color:var(--blue)}
.field.bad input{border-color:#B3261E}
.form-err{margin:0;color:#B3261E;font-weight:600}

/* pied de page */
.foot{background:var(--navy-deep);color:#D7E2F4;padding:44px 0 0}
.foot a{color:#fff}
.foot-in{display:grid;gap:28px;grid-template-columns:1fr}
.foot p{margin:0 0 .4rem}
.foot-name{font-family:var(--f-display);font-weight:700;font-size:1.6rem;color:#fff;text-transform:uppercase;letter-spacing:.03em}
.foot-h{font-family:var(--f-display);font-weight:700;font-size:1.15rem;letter-spacing:.12em;text-transform:uppercase;color:var(--orange)}
.foot li{margin:0 0 .35rem}
.foot-base{margin-top:32px;padding-top:16px;padding-bottom:20px;border-top:1px solid rgba(255,255,255,.14);font-size:.95rem}

/* barre mobile + consentement */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:50;display:grid;grid-template-columns:1.4fr 1fr;gap:8px;background:var(--paper);border-top:1px solid var(--line);
  padding:8px var(--gutter-r) calc(8px + env(safe-area-inset-bottom,0px)) var(--gutter)}
.dock-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;border-radius:var(--radius);font-family:var(--f-display);font-weight:700;font-size:1.25rem;letter-spacing:.03em;text-transform:uppercase;text-decoration:none}
.dock-wa{background:var(--orange);color:var(--navy-deep)}
.dock-tel{background:var(--navy);color:#fff}
.consent{position:fixed;z-index:60;left:var(--gutter);right:var(--gutter-r);bottom:calc(var(--dock-h) + 8px + env(safe-area-inset-bottom,0px));background:var(--paper);color:var(--ink);
  border:2px solid var(--navy);border-radius:var(--radius);padding:14px;box-shadow:0 8px 28px rgba(7,27,62,.25);font-size:.98rem}
.consent p{margin:0 0 10px}
.consent-btns{display:flex;gap:10px}
.consent-btns .btn{flex:1}

.prose{max-width:46rem}
.prose h2{margin-top:2rem}
.prose p{max-width:62ch}

@media (min-width:640px){
  .cards{grid-template-columns:1fr 1fr}
  .ticks{grid-template-columns:1fr 1fr}
  .chips{grid-template-columns:repeat(3,1fr)}
  .foot-in{grid-template-columns:1.3fr 1fr 1.2fr}
  .steps{grid-template-columns:repeat(3,1fr)}
  .steps li{flex-direction:column}
}
@media (min-width:760px){
  .nav{display:flex}
  .row{grid-template-columns:auto 1fr auto;align-items:center;padding:20px 8px}
  .row-act{grid-column:3}
}
@media (min-width:900px){
  body{padding-bottom:0}
  .dock{display:none}
  .hero-in{grid-template-columns:1.05fr .95fr;gap:56px;padding-top:56px;padding-bottom:64px}
  .form-grid{grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
  .group{grid-template-columns:1.1fr 1fr;gap:36px;align-items:center}
  .group:has(.g-img) .ticks{grid-template-columns:1fr}
  .group .ticks{grid-template-columns:1fr 1fr}
  .group:has(.g-img) .ticks{grid-template-columns:1fr}
  .consent{left:auto;right:20px;bottom:20px;max-width:430px}
  .sec{padding:76px 0}
}
@media (min-width:1100px){
  .cards{grid-template-columns:repeat(4,1fr)}
  .card-b h3{font-size:1.5rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}

/* ---------- accroche commerciale : bandeau, urgence, arguments ---------- */
.strip{background:var(--navy-deep);color:#fff;font-size:.95rem}
.strip-in{display:flex;align-items:center;justify-content:center;gap:16px;min-height:38px;padding-top:4px;padding-bottom:4px}
.strip a{color:var(--orange);font-weight:600;text-decoration:none;font-family:var(--f-display);font-size:1.15rem;letter-spacing:.04em;text-transform:uppercase}
.strip a:hover{color:var(--orange-hi)}
.strip-l{display:none}
.top-tel{display:none;align-items:center;gap:8px;font-family:var(--f-display);font-weight:700;font-size:1.45rem;letter-spacing:.02em;color:var(--navy);text-decoration:none;white-space:nowrap}
.top-tel:hover{color:var(--blue)}
.btn-ghost{background:transparent;color:var(--navy-deep);border-color:var(--navy-deep)}
.btn-ghost:hover{background:var(--navy-deep);color:#fff}
.urgence{background:var(--orange);color:var(--navy-deep)}
.urgence-in{display:grid;gap:16px;padding-top:24px;padding-bottom:26px}
.urgence-t{margin:0;display:grid;gap:2px}
.urgence-t strong{font-family:var(--f-display);font-weight:700;font-size:clamp(1.7rem,5.4vw,2.4rem);line-height:1.02;text-transform:uppercase}
.urgence-t span{font-size:1.15rem;font-weight:600}
.urgence .btn-primary{background:var(--navy-deep);color:#fff}
.urgence .btn-primary:hover{background:var(--navy)}
.why{display:grid;gap:26px;grid-template-columns:1fr}
.why li{border-top:5px solid var(--orange);padding-top:14px}
.why h3{font-size:1.7rem;margin-bottom:6px}
.why p{margin:0;color:var(--slate)}
.cta-center{margin-top:34px;justify-content:center}
.cta-center .btn{flex:0 1 auto}
@media (min-width:560px){.strip-l{display:inline}}
@media (min-width:640px){.why{grid-template-columns:1fr 1fr}}
@media (min-width:900px){
  .urgence-in{grid-template-columns:1fr auto;align-items:center;gap:32px}
  .urgence .cta{flex-wrap:nowrap}
}
@media (min-width:980px){.top-tel{display:inline-flex}.why{grid-template-columns:repeat(4,1fr)}}