/* =====================================================================
   Benoit Delebecque — charpente, menuiserie, couverture
   Design sobre et direct : fond clair, typo unique, accents discrets.
   ===================================================================== */

/* Manrope auto-hébergée : aucune requête vers des serveurs tiers (RGPD). */
@font-face{
  font-family:"Manrope";
  font-style:normal;
  font-weight:200 800;
  font-display:swap;
  src:url("fonts/manrope-latin.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Manrope";
  font-style:normal;
  font-weight:200 800;
  font-display:swap;
  src:url("fonts/manrope-latin-ext.woff2") format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

:root{
  --bg:#faf9f7;
  --surface:#ffffff;
  --ink:#1d1b17;
  --muted:#6d675d;
  --line:#e5e1d8;
  --accent:#8a5a2b;
  --accent-ink:#6e451c;
  --dark:#16140f;
  --dark-2:#221f18;
  --dark-line:rgba(255,255,255,.12);
  --dark-text:#b5ae9f;
  --radius:14px;
  --wrap:1120px;
  --sans:"Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,4vw,40px)}

.skip{position:absolute;left:-9999px;top:12px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px;text-decoration:none}
.skip:focus{left:12px}

/* Repères à remplacer (surlignés automatiquement par script.js) */
mark.todo{
  background:#fde68a;
  color:#3b2a00;
  padding:0 .35em;
  border-radius:4px;
  font-family:ui-monospace,"Cascadia Mono",Consolas,monospace;
  font-size:.8em;
  font-weight:600;
  white-space:nowrap;
}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;
  border-radius:999px;
  border:1.5px solid transparent;
  font:600 .95rem/1.2 var(--sans);
  text-decoration:none;
  transition:background-color .2s,color .2s,border-color .2s;
}
.btn svg{flex:none}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--accent-ink)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-sm{padding:10px 20px;font-size:.9rem}
.btn-light{background:#fff;color:var(--dark)}
.btn-light:hover{background:var(--line)}

/* ---------- En-tête ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,249,247,.88);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s;
}
.site-header.scrolled{border-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:flex;flex-direction:column;text-decoration:none;line-height:1.15}
.brand-name{font-size:1.1rem;font-weight:700;letter-spacing:-.01em}
.brand-sub{font-size:.68rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none;margin:0;padding:0}
.nav-links a:not(.btn){font-size:.93rem;font-weight:500;text-decoration:none;color:var(--muted);transition:color .2s}
.nav-links a:not(.btn):hover{color:var(--ink)}

/* ---------- Hero ---------- */
.hero{padding:clamp(48px,8vw,110px) 0 clamp(48px,6vw,84px)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,7vw,96px);align-items:center}
.eyebrow{
  display:inline-block;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-ink);
}
h1{
  font-weight:700;
  font-size:clamp(2.3rem,5vw,4rem);
  line-height:1.08;letter-spacing:-.03em;
  margin:18px 0 22px;
}
.lead{font-size:clamp(1.02rem,1.3vw,1.18rem);color:var(--muted);max-width:32em;margin:0 0 34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-note{margin:28px 0 0;font-size:.84rem;color:var(--muted)}

.hero-media{position:relative}
.hero-visual{aspect-ratio:4/5;border-radius:var(--radius)}

/* ---------- Emplacements photo ---------- */
.slot{position:relative;overflow:hidden;background-color:#efeae1;border-radius:var(--radius)}
.slot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slot-label{
  display:none;position:absolute;inset:0;
  flex-direction:column;align-items:center;justify-content:center;gap:10px;
  padding:20px;text-align:center;
  font-size:.82rem;color:var(--muted);
  border:1.5px dashed #cfc5b4;border-radius:inherit;
}
.slot.is-empty .slot-label{display:flex}
.slot-label code{font-family:ui-monospace,"Cascadia Mono",Consolas,monospace;font-size:.76rem;background:rgba(255,255,255,.7);padding:2px 8px;border-radius:4px}
.hero-visual .slot-label{
  inset:auto 14px 14px auto;
  flex-direction:row;gap:8px;
  padding:8px 14px;border:0;border-radius:999px;
  background:rgba(22,20,15,.75);color:#e8e3d8;font-size:.74rem;
}
.hero-visual .slot-label code{background:rgba(255,255,255,.14);color:#e8e3d8}

/* ---------- Chiffres clés ---------- */
.facts{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr);list-style:none}
.fact{padding:28px 26px;border-left:1px solid var(--line)}
.fact:first-child{border-left:0;padding-left:0}
.fact-value{display:block;font-size:1.45rem;font-weight:700;line-height:1.15;letter-spacing:-.02em}
.fact-label{display:block;margin-top:5px;font-size:.86rem;color:var(--muted)}

/* ---------- Sections ---------- */
section[id]{scroll-margin-top:88px}
.section{padding:clamp(68px,9vw,120px) 0}
.section-alt{background:var(--surface)}
.section-head{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:52px}
.section-head p{margin:0;color:var(--muted);max-width:32em}
h2{
  font-weight:700;
  font-size:clamp(1.9rem,3.6vw,2.8rem);
  line-height:1.1;letter-spacing:-.025em;
  margin:14px 0 0;
}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px 30px;
  transition:border-color .2s,transform .2s;
}
.card:hover{border-color:#cfc5b4;transform:translateY(-2px)}
.card-num{font-size:.8rem;font-weight:700;letter-spacing:.12em;color:var(--accent-ink)}
.card h3{font-size:1.3rem;font-weight:700;letter-spacing:-.01em;line-height:1.2;margin:14px 0 10px}
.card p{margin:0;color:var(--muted);font-size:.96rem}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:26px 18px;margin:0;padding:0;list-style:none}
.gallery figure{margin:0}
.gallery .slot{aspect-ratio:4/3}
.gallery figcaption{margin-top:10px;font-size:.9rem;color:var(--muted)}

/* ---------- Contact ---------- */
.contact{background:var(--dark);color:#e8e3d8}
.contact .eyebrow{color:#c99b62}
.contact-intro{margin:20px 0 0;color:var(--dark-text);max-width:30em}
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(40px,7vw,96px);align-items:start}
.contact-list{list-style:none;margin:40px 0 0;padding:0;border-top:1px solid var(--dark-line)}
.contact-list li{border-bottom:1px solid var(--dark-line)}
.contact-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px 0;text-decoration:none}
.contact-row .k{display:block;font-size:.72rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:#8f8877}
.contact-row .v{display:block;margin-top:5px;font-size:clamp(1.25rem,2.4vw,1.8rem);font-weight:700;letter-spacing:-.02em;line-height:1.2;color:#fff;transition:color .2s}
.contact-row svg{flex:none;color:#8f8877;transition:transform .2s,color .2s}
a.contact-row:hover .v,a.contact-row:hover svg{color:#c99b62}
a.contact-row:hover svg{transform:translateX(4px)}

.prep{background:var(--dark-2);border:1px solid var(--dark-line);border-radius:var(--radius);padding:clamp(28px,4vw,40px)}
.prep h3{font-size:1.25rem;font-weight:700;letter-spacing:-.01em;line-height:1.25;margin:0 0 8px;color:#fff}
.prep > p{margin:0 0 24px;font-size:.94rem;color:var(--dark-text)}
.prep ul{list-style:none;margin:0 0 30px;padding:0;display:grid;gap:13px}
.prep li{display:flex;gap:13px;color:#d8d2c4;font-size:.95rem}
.prep li::before{content:"";flex:none;width:6px;height:6px;margin-top:.68em;border-radius:50%;background:#c99b62}

/* ---------- Pied de page ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);font-size:.88rem;padding:52px 0 44px;border-top:1px solid var(--dark-line)}
.footer-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;padding-bottom:30px;border-bottom:1px solid var(--dark-line)}
.footer-top .brand-name{color:#fff}
.footer-top .brand-sub{color:#8f8877}
.footer-links{display:flex;flex-wrap:wrap;gap:22px;list-style:none;margin:0;padding:0}
.footer-links a{text-decoration:none;color:#d8d2c4}
.footer-links a:hover{color:#fff}
.legal{padding-top:30px}
.legal h2{font-size:.72rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:#e8e3d8;margin:0 0 18px}
.legal dl{display:grid;grid-template-columns:max-content 1fr;gap:8px 28px;margin:0}
.legal dt{color:#8f8877}
.legal dd{margin:0;color:#d8d2c4}
.copyright{margin:30px 0 0;color:#8f8877}

.mobile-bar{display:none}

/* ---------- Apparition au défilement ---------- */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .nav-links li:not(:last-child){display:none}
  .hero-grid,.section-head,.contact-grid{grid-template-columns:1fr}
  .hero-visual{aspect-ratio:4/3}
  .section-head{gap:16px;margin-bottom:38px}
  .cards{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .facts-grid{grid-template-columns:repeat(2,1fr)}
  .fact{padding:22px 0 22px 20px}
  .fact:nth-child(odd){border-left:0;padding-left:0}
  .fact:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (max-width:640px){
  body{font-size:16px;padding-bottom:78px}
  .nav{height:66px}
  .nav-links{display:none}
  .hero-actions .btn{flex:1 1 100%;justify-content:center}
  .gallery{grid-template-columns:1fr}
  .legal dl{grid-template-columns:1fr;gap:2px}
  .legal dd{margin-bottom:12px}
  .mobile-bar{
    display:grid;grid-template-columns:1fr 1fr;gap:8px;
    position:fixed;left:0;right:0;bottom:0;z-index:60;
    padding:10px 12px calc(10px + env(safe-area-inset-bottom));
    background:rgba(250,249,247,.97);
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border-top:1px solid var(--line);
  }
  .mobile-bar .btn{justify-content:center;padding:13px 12px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
}