/* ==========================================================================
   BAYT RÉNOVATION — Design system
   Palette sampled from the brand logo + real chantier materials.
   ========================================================================== */

:root{
  /* --- Brand colors (sampled) --- */
  --cream:        #FBF5ED;   /* logo background */
  --cream-deep:   #F1E9DA;   /* alternate section bg */
  --paper:        #FFFFFF;   /* cards on cream */
  --ink:          #1B1712;   /* near-black, warm */
  --ink-soft:     #57503F;   /* secondary text */
  --ink-faint:    #8A8072;   /* tertiary / muted */
  --gold:         #C1934D;   /* logo accent line — decorative brand use */
  --gold-deep:    #93692B;   /* accessible accent on cream */
  --gold-pale:    #EBD9BB;   /* tint for backgrounds/badges */
  --cta:          #CC7A2E;   /* action color — warm amber, tuned for contrast + click-appeal */
  --cta-hover:    #AD6425;   /* CTA hover / pressed state */
  --cta-text:     #1B1712;   /* label color on CTA (5.4:1 contrast, AA pass) */
  --concrete:     #8B897C;   /* sampled from chantier floor */
  --concrete-line:#D8D2C3;   /* hairline borders on cream */
  --charcoal:     #201C16;   /* single bold contrast band */
  --charcoal-2:   #2C271F;

  /* --- Type --- */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Work Sans', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  /* --- Layout --- */
  --container: 1180px;
  --radius-s: 3px;
  --radius-m: 6px;
  --ease: cubic-bezier(.25,.7,.35,1);
}

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

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

body{
  margin:0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family: inherit; cursor:pointer; }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Focus visibility --- */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
}

/* --- Type scale --- */
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(1.9rem, 3.1vw, 2.9rem); line-height: 1.15; font-weight: 700; }
h2{ font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.15; }
h3{ font-size: 1.25rem; line-height: 1.3; }
p{ margin: 0 0 1em; color: var(--ink-soft); }
.lede{ font-size: 1.15rem; color: var(--ink-soft); max-width: 46em; }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 1em;
}
.eyebrow::before{
  content:"";
  width: 22px; height: 1px;
  background: var(--gold-deep);
}

/* ==========================================================================
   Blueprint texture (used sparingly — hero + one CTA band)
   ========================================================================== */
.blueprint-grid{
  background-image:
    linear-gradient(var(--concrete-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--concrete-line) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: -1px -1px;
}
.blueprint-grid-dark{
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 28px 28px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display: inline-flex;
  align-items: center;
  gap: .6em;
  padding: .9em 1.6em;
  border-radius: var(--radius-s);
  font-family: var(--font-mono);
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: var(--cta);
  color: var(--cta-text);
  box-shadow: 0 1px 2px rgba(27,23,18,.12);
}
.btn-primary:hover{
  background: var(--cta-hover);
  color: var(--cream);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -8px rgba(173,100,37,.55);
}
.btn-gold{ background: var(--cta); color: var(--cta-text); }
.btn-gold:hover{ background: var(--cta-hover); color: var(--cream); transform: translateY(-2px); }
.btn-outline{
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline:hover{ border-color: var(--cta-hover); color: var(--cta-hover); transform: translateY(-2px); }
.btn-outline-light{
  background: transparent;
  border-color: rgba(251,245,237,.4);
  color: var(--cream);
}
.btn-outline-light:hover{ border-color: var(--cta); color: var(--cta); transform: translateY(-2px); }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251,245,237,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--concrete-line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
}
.nav-logo{ display:flex; align-items:center; gap:.6em; }
.nav-logo img{ height: 42px; width:auto; }
.nav-links{
  display:flex;
  align-items:center;
  gap: 2.2em;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.nav-links a{
  position:relative;
  padding: 4px 0;
  color: var(--ink-soft);
  transition: color .2s var(--ease);
}
.nav-links a:hover, .nav-links a.active{ color: var(--ink); }
.nav-links a.active::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-4px;
  height:2px; background: var(--gold);
}
.nav-cta{ display:flex; align-items:center; gap: 1.6em; }
.nav-tel{
  display:flex; align-items:center; gap:.5em;
  font-family: var(--font-mono); font-size:.85rem;
}
.nav-toggle{
  display:none;
  background:none; border:none; padding:8px;
}
.nav-toggle span{
  display:block; width:24px; height:2px; background: var(--ink);
  margin: 5px 0; transition: transform .25s var(--ease), opacity .2s var(--ease);
}
.nav-toggle.active span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2){ opacity:0; }
.nav-toggle.active span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 880px){
  .nav-tel span.tel-label{ display:none; }
  .nav-links{
    position: fixed; inset: 68px 0 0 0;
    background: var(--cream);
    flex-direction: column;
    justify-content:flex-start;
    align-items:flex-start;
    padding: 32px 24px;
    gap: 1.6em;
    font-size: 1rem;
    transform: translateX(100%);
    transition: transform .3s var(--ease);
    border-top: 1px solid var(--concrete-line);
  }
  .nav-links.open{ transform: translateX(0); }
  .nav-toggle{ display:block; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position: relative;
  padding: 76px 0 64px;
  overflow: hidden;
}
.hero .blueprint-grid{
  position:absolute; inset:0; opacity:.5;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}
.hero-inner{
  position: relative;
  display:grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 48px;
  align-items:center;
}
.hero h1{ margin-bottom:.4em; }
.hero-logo-wrap{ display:flex; align-items:center; justify-content:center; position:relative; }
.hero-logo{
  width:100%; max-width: 640px; height:auto;
  opacity:0; transform: scale(.96);
  animation: logo-in 1s var(--ease) forwards .2s;
}
@keyframes logo-in{ to{ opacity:1; transform:scale(1); } }
@media (prefers-reduced-motion: reduce){
  .hero-logo{ opacity:1; transform:none; animation:none; }
}

.hero-actions{ display:flex; gap: 14px; margin-top: 2em; flex-wrap:wrap; }

@media (max-width: 880px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-logo-wrap{ order:-1; margin-bottom: 1em; }
  .hero-logo{ max-width: 420px; }
}

/* ==========================================================================
   Trust bar
   ========================================================================== */
.trust-bar{
  border-top: 1px solid var(--concrete-line);
  border-bottom: 1px solid var(--concrete-line);
  padding: 22px 0;
}
.trust-bar ul{
  display:flex; flex-wrap:wrap; gap: 12px 40px; justify-content:center;
}
.trust-bar li{
  display:flex; align-items:center; gap:.6em;
  font-family: var(--font-mono); font-size:.8rem; letter-spacing:.03em;
  color: var(--ink-soft); text-transform: uppercase;
}
.trust-bar li::before{
  content:"◆"; color: var(--gold); font-size:.6rem;
}

/* ==========================================================================
   Sections generic
   ========================================================================== */
section{ padding: 88px 0; }
.section-head{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap: 24px; margin-bottom: 48px; flex-wrap:wrap;
}
.section-alt{ background: var(--cream-deep); }

/* ==========================================================================
   Lots (services) grid
   ========================================================================== */
.lots-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--concrete-line);
  border: 1px solid var(--concrete-line);
}
.lot-card{
  background: var(--paper);
  padding: 34px;
  display:flex; flex-direction:column; gap: .9em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
  position: relative;
}
.lot-card:hover{
  transform: translateY(-3px);
  box-shadow: 0 18px 32px -18px rgba(27,23,18,.28);
  z-index: 1;
}
.lot-icon{ display:block; width:38px; height:38px; color: var(--gold-deep); margin-bottom:.2em; }
.lot-icon svg{ width:100%; height:100%; }
.lot-card h3{ margin:0; }
.lot-card p{ margin:0; font-size:.96rem; }
.lot-card .lot-detail{ margin-top:.4em; font-size: .88rem; color: var(--ink-faint); }

@media (max-width: 720px){
  .lots-grid{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   Value props
   ========================================================================== */
.values-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.value-item .eyebrow{ margin-bottom:.6em; }
.value-item h3{ margin-bottom:.4em; }
.value-item p{ font-size:.95rem; }

.trust-badges{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.trust-badge h3{ font-size:1.05rem; margin-bottom:.35em; }
.trust-badge p{ font-size:.92rem; margin:0; }

@media (max-width: 880px){
  .trust-badges{ grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 880px){
  .values-grid{ grid-template-columns: 1fr; gap: 32px; }
}

/* ==========================================================================
   Process steps ("Comment ça se passe")
   ========================================================================== */
.process-steps{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}
.process-steps::before{
  content:"";
  position:absolute; top:20px; left: 10%; right:10%; height:1px;
  background: var(--concrete-line);
}
.process-step{ position:relative; }
.process-num{
  display:flex; align-items:center; justify-content:center;
  width:40px; height:40px; border-radius:50%;
  background: var(--paper); border:1.5px solid var(--gold-deep);
  font-family: var(--font-mono); font-size:.82rem; color: var(--gold-deep);
  margin-bottom: 1.1em; position: relative; z-index:1;
}
.process-step h3{ font-size:1.05rem; margin-bottom:.35em; }
.process-step p{ font-size:.92rem; margin:0; }

@media (max-width: 880px){
  .process-steps{ grid-template-columns: 1fr 1fr; gap: 32px 24px; }
  .process-steps::before{ display:none; }
}
@media (max-width: 560px){
  .process-steps{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   Gallery / cards
   ========================================================================== */
.gallery-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.gallery-card{
  position:relative;
  border-radius: var(--radius-m);
  overflow:hidden;
  aspect-ratio: 4/3;
  background: var(--cream-deep);
  border: 1px solid var(--concrete-line);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.gallery-card:hover{
  transform: translateY(-3px);
  box-shadow: 0 20px 36px -18px rgba(27,23,18,.32);
}
.gallery-card img{ width:100%; height:100%; object-fit: cover; transition: transform .5s var(--ease); }
.gallery-card:hover img{ transform: scale(1.045); }
.gallery-card .tag{
  position:absolute; top:12px; left:12px;
  background: var(--ink); color: var(--cream);
  font-family: var(--font-mono); font-size:.7rem; letter-spacing:.06em;
  text-transform: uppercase; padding: 5px 10px; border-radius: var(--radius-s);
}
.gallery-card.placeholder{
  display:flex; align-items:center; justify-content:center;
  border: 1.5px dashed var(--concrete);
  color: var(--ink-faint);
  font-family: var(--font-mono); font-size:.82rem; text-align:center;
  padding: 20px;
}

@media (max-width: 880px){
  .gallery-grid{ grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 560px){
  .gallery-grid{ grid-template-columns: 1fr; }
}

/* --- Progress reel (défilé scrollable, nombre de photos illimité) --- */
.progress-reel{
  display:flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: 12px;
  -webkit-overflow-scrolling: touch;
}
.progress-reel::-webkit-scrollbar{ height: 6px; }
.progress-reel::-webkit-scrollbar-thumb{ background: var(--concrete-line); border-radius: 3px; }
.reel-step{
  flex: 0 0 auto;
  width: 300px;
  scroll-snap-align: start;
}
.reel-step .progress-photo{ margin-bottom: 14px; }
.reel-step h3{ font-size:1rem; margin-bottom:.3em; }
.reel-step p{ font-size:.88rem; margin:0; }

@media (max-width: 560px){
  .reel-step{ width: 78vw; }
}

/* --- Progress timeline (chantier chronology) --- */
.progress-timeline{
  display:flex;
  align-items:flex-start;
  gap: 20px;
}
.progress-step{ flex:1; min-width:0; }
.progress-photo{
  position:relative;
  border-radius: var(--radius-m);
  overflow:hidden;
  aspect-ratio: 4/3;
  border: 1px solid var(--concrete-line);
  margin-bottom: 16px;
}
.progress-photo img{ width:100%; height:100%; object-fit:cover; }
.progress-photo .tag{
  position:absolute; top:12px; left:12px;
  background: var(--ink); color: var(--cream);
  font-family: var(--font-mono); font-size:.7rem; letter-spacing:.06em;
  text-transform: uppercase; padding: 5px 10px; border-radius: var(--radius-s);
}
.progress-step h3{ font-size:1.05rem; margin-bottom:.3em; }
.progress-step p{ font-size:.9rem; margin:0; }
.progress-arrow{
  flex: 0 0 auto;
  padding-top: 90px;
  color: var(--gold-deep);
  font-size: 1.4rem;
}

@media (max-width: 780px){
  .progress-timeline{ flex-direction:column; }
  .progress-arrow{ display:none; }
}

/* --- Before / after slider --- */
.ba-slider{
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--concrete-line);
  background: var(--ink);
  user-select: none;
  touch-action: pan-y;
}
.ba-slider img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
}
.ba-slider .ba-after{ z-index:1; }
.ba-slider .ba-before-wrap{
  position:absolute; inset:0; z-index:2; overflow:hidden;
  width: 50%;
}
.ba-slider .ba-before-wrap img{ width: var(--ba-img-w, 100%); max-width:none; }
.ba-handle{
  position:absolute; top:0; bottom:0; left:50%; z-index:3;
  width: 2px; background: var(--gold);
  transform: translateX(-1px);
  cursor: ew-resize;
}
.ba-handle::after{
  content: "◂ ▸";
  position:absolute; top:50%; left:50%;
  transform: translate(-50%,-50%);
  width: 44px; height: 44px;
  background: var(--gold); color: var(--charcoal);
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-mono); font-size: .7rem; letter-spacing:.05em;
  box-shadow: 0 4px 14px rgba(0,0,0,.25);
}
.ba-label{
  position:absolute; bottom:14px; z-index:4;
  font-family: var(--font-mono); font-size:.72rem; letter-spacing:.08em;
  text-transform:uppercase; color:#fff;
  background: rgba(27,23,18,.55); padding: 5px 10px; border-radius: var(--radius-s);
}
.ba-label.before{ left:14px; }
.ba-label.after{ right:14px; }
.ba-note{
  margin-top: 14px; font-size: .85rem; color: var(--ink-faint); font-family: var(--font-mono);
}

/* ==========================================================================
   CTA band (the one bold, dark moment)
   ========================================================================== */
.cta-band{
  position:relative;
  background: var(--charcoal);
  color: var(--cream);
  padding: 88px 0;
  overflow:hidden;
}
.cta-band .blueprint-grid-dark{ position:absolute; inset:0; }
.cta-band-inner{ position:relative; text-align:center; max-width: 640px; margin:0 auto; }
.cta-band h2{ color: var(--cream); }
.cta-band p{ color: rgba(251,245,237,.72); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{
  border-top: 1px solid var(--concrete-line);
  padding: 56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-logo img{ height: 56px; width:auto; margin-bottom: 14px; }
.footer-col h4{
  font-family: var(--font-mono); font-size:.78rem; letter-spacing:.1em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 1em;
}
.footer-col li{ margin-bottom:.7em; font-size:.95rem; }
.footer-col a:hover{ color: var(--gold-deep); }
.footer-bottom{
  border-top: 1px solid var(--concrete-line);
  padding-top: 22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-family: var(--font-mono); font-size:.75rem; color: var(--ink-faint);
}

@media (max-width: 780px){
  .footer-grid{ grid-template-columns: 1fr; gap: 28px; }
}

/* ==========================================================================
   Forms (contact page)
   ========================================================================== */
.form-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 56px;
  align-items:start;
}
.field{ margin-bottom: 20px; }
.field label{
  display:block; font-family: var(--font-mono); font-size:.75rem;
  letter-spacing:.06em; text-transform:uppercase; color: var(--ink-soft);
  margin-bottom: .5em;
}
.field input, .field select, .field textarea{
  width:100%; padding: .85em 1em;
  background: var(--paper);
  border: 1px solid var(--concrete-line);
  border-radius: var(--radius-s);
  font-family: var(--font-body); font-size: .98rem; color: var(--ink);
}
.field textarea{ resize: vertical; min-height: 120px; }
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-note{ font-size:.82rem; color: var(--ink-faint); margin-top:.5em; }
.form-note-error{
  display:none; margin-top:.8em; padding:.8em 1em;
  background: #F4E3DB; border: 1px solid #C56A3F; color:#7A3417;
  font-family: var(--font-mono); font-size:.82rem; border-radius: var(--radius-s);
}
.form-note-error.is-visible{ display:block; }

.contact-card{
  background: var(--paper);
  border: 1px solid var(--concrete-line);
  border-radius: var(--radius-m);
  padding: 32px;
}
.contact-card h3{ margin-bottom: 1em; }
.contact-line{
  display:flex; gap: .8em; align-items:flex-start;
  padding: 14px 0; border-top: 1px solid var(--concrete-line);
}
.contact-line:first-of-type{ border-top:none; }
.contact-line .k{
  font-family: var(--font-mono); font-size:.72rem; letter-spacing:.08em;
  text-transform:uppercase; color: var(--ink-faint); width: 92px; flex-shrink:0; padding-top:2px;
}
.contact-line .v{ font-size:.98rem; }
.contact-line a:hover{ color: var(--gold-deep); }
.map-embed{
  margin-top: 20px; border-radius: var(--radius-m); overflow:hidden;
  border: 1px solid var(--concrete-line); aspect-ratio: 4/3;
}
.map-embed iframe{ width:100%; height:100%; border:0; }

@media (max-width: 880px){
  .form-grid{ grid-template-columns: 1fr; }
  .field-row{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   Page hero (interior pages)
   ========================================================================== */
.page-hero{ position:relative; padding: 56px 0 40px; border-bottom: 1px solid var(--concrete-line); overflow:hidden; }
.page-hero .blueprint-grid{
  position:absolute; inset:0; opacity:.5;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}
.page-hero .container{ position:relative; }
.page-hero .lede{ margin-top: .6em; }

/* ==========================================================================
   Sticky mobile CTA bar
   ========================================================================== */
.sticky-cta{
  display:none;
  position: fixed; left:0; right:0; bottom:0; z-index: 200;
  background: rgba(251,245,237,.94);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--concrete-line);
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  gap: 10px;
  box-shadow: 0 -10px 24px -14px rgba(27,23,18,.22);
}
.sticky-cta .call-btn{
  flex: 0 0 auto; width: 48px; height: 48px; padding:0;
  display:flex; align-items:center; justify-content:center;
}
.sticky-cta .devis-btn{ flex:1; justify-content:center; }
@media (max-width: 720px){
  .sticky-cta{ display:flex; }
  body{ padding-bottom: 76px; }
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */
.reveal{
  opacity:0; transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible{ opacity:1; transform:none; }