/* ============================================================
   BÉTON BRUT — Warm Stone · Charcoal · Terracotta
   Architecture editorial aesthetic
   bg: warm stone (#EDE9E3) / text: charcoal (#1C1410) / accent: terracotta
   ============================================================ */

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}

/* CONTRAST GUARANTEE: surface bg (#EDE9E3) is LIGHT, primary text (#1C1410) is DARK */
body{
  font-family:var(--font-body),Georgia,serif;
  background:var(--s);   /* light stone */
  color:var(--p);        /* dark charcoal */
  overflow-x:hidden;
  margin:0;
}

h1,h2,h3,.fd{font-family:var(--font-heading),Georgia,serif}

/* ─── Scroll Reveal ─── */
.rv{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}
.rv.s1{transition-delay:.14s}.rv.s2{transition-delay:.28s}.rv.s3{transition-delay:.42s}
.rv.on{opacity:1;transform:none}

.rvl{opacity:0;transform:translateX(-28px);transition:opacity .75s cubic-bezier(.16,1,.3,1),transform .75s cubic-bezier(.16,1,.3,1)}
.rvl.on{opacity:1;transform:none}

/* ─── Buttons ─── */
.btn-terra{
  position:relative;overflow:hidden;
  background:var(--a);color:#fff;
  transition:transform .2s,box-shadow .2s;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn-terra::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);
  transform:translateX(-120%);transition:transform .6s;
}
.btn-terra:hover::before{transform:translateX(120%)}
.btn-terra:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(var(--a-rgb),.4)}

.btn-outline{
  background:transparent;
  border:1.5px solid var(--p);
  color:var(--p);
  transition:background .2s,color .2s;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn-outline:hover{background:var(--p);color:var(--s)}

/* ─── Card Hover ─── */
.ch{transition:transform .28s cubic-bezier(.16,1,.3,1),box-shadow .28s}
.ch:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(var(--p-rgb),.12)}

/* ─── Underline ─── */
.al{position:relative}
.al::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:1.5px;background:var(--a);transition:width .3s}
.al:hover::after{width:100%}

/* ─── Architectural grain overlay ─── */
.grain::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.06'/%3E%3C/svg%3E");
  opacity:.45;mix-blend-mode:multiply;
}

/* ─── Measurement mark ─── */
.mmark{position:relative}
.mmark::before{
  content:'';position:absolute;
  top:50%;left:-20px;width:16px;height:1px;
  background:var(--a);
}
.mmark::after{
  content:'';position:absolute;
  top:50%;left:-20px;width:1px;height:8px;margin-top:-4px;
  background:var(--a);
}

/* ─── Section number ─── */
.sn{
  font-family:var(--font-heading),serif;
  font-size:clamp(80px,14vw,180px);
  font-weight:700;line-height:1;
  color:var(--p);opacity:.06;
  position:absolute;
  user-select:none;pointer-events:none;
}

/* ─── Material tag ─── */
.mtag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  border:1px solid rgba(var(--p-rgb),.2);
  color:rgba(var(--p-rgb),.6);
}

/* ─── Service row number ─── */
.srv-n{
  font-family:var(--font-heading),serif;
  font-size:clamp(48px,6vw,72px);font-weight:700;line-height:1;
  color:var(--a);opacity:.5;
  flex-shrink:0;width:80px;text-align:right;
}

/* ─── Stat number ─── */
.stat-v{
  font-family:var(--font-heading),serif;
  font-size:clamp(44px,5.5vw,72px);font-weight:700;line-height:1;
  color:var(--a);
}

/* ─── Quote mark ─── */
.qmark{font-size:80px;line-height:.8;color:var(--a);opacity:.35;display:block;font-family:Georgia,serif}

/* ─── Overline label ─── */
.oline{display:flex;align-items:center;gap:10px}
.oline::before{content:'';width:28px;height:1.5px;background:var(--a)}
.oline span{font-size:10px;font-weight:700;letter-spacing:.25em;text-transform:uppercase;color:var(--a)}

/* ─── Diagonal section cut ─── */
.diag-top{clip-path:polygon(0 6%,100% 0,100% 100%,0 100%)}
.diag-bot{clip-path:polygon(0 0,100% 0,100% 94%,0 100%)}

/* ─── Contrast fix — white text on dark primary backgrounds ─── */
[style*="background:var(--p)"]{color:#fff}

/* ─── Hero badge — clears fixed nav (68px) ─── */
#hero > div{padding-top:5.5rem}

/* ─── Navbar ─── */
#nav{
  transition:background .3s,box-shadow .3s,border-color .3s;
  background:var(--s);
  border-bottom:1px solid rgba(var(--p-rgb),.1);
}
#nav.sc{box-shadow:0 2px 20px rgba(var(--p-rgb),.1)}
#nav.dk{background:var(--p)!important;border-color:transparent}
#nav.dk .nl{color:rgba(255,255,255,.6)!important}
#nav.dk .nl:hover{color:#fff!important}
#nav.dk .nlogo{color:#fff!important}

#mmenu{transform:translateX(100%);opacity:0;pointer-events:none;transition:transform .38s cubic-bezier(.16,1,.3,1),opacity .32s}
#mmenu.op{transform:translateX(0);opacity:1;pointer-events:all}

input:focus,select:focus,textarea:focus{outline:2px solid var(--a);outline-offset:1px}