/* ============================================
   ÉTUDE NOTARIALE — Feuille de style partagée
   Palette : encre / ivoire / bordeaux / bruni
   ============================================ */

:root{
  --ink: #17263B;
  --ink-light: #22374F;
  --ivory: #F5F0E6;
  --ivory-dim: #EDE6D6;
  --bordeaux: #7A2E2E;
  --bordeaux-light: #99423F;
  --brass: #B08D57;
  --brass-light: #C9A96E;
  --charcoal: #24262B;
  --gray: #6E7178;
  --line: rgba(176,141,87,0.35);

  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --bg-img: none;
}

*{ margin:0; padding:0; box-sizing:border-box; }

html{ scroll-behavior:smooth; overflow-x:hidden; width:100%; }

body{
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--ivory);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x:hidden;
  width:100%;
}

a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
img{ max-width:100%; display:block; }

.container{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Typographie ---------- */
h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.01em;
}

h1{ font-size: clamp(2.6rem, 5vw, 4.4rem); line-height: 1.05; }
h2{ font-size: clamp(1.9rem, 3.2vw, 2.8rem); line-height: 1.15; }
h3{ font-size: 1.35rem; }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content:"";
  width: 22px;
  height: 1px;
  background: var(--brass);
  display: inline-block;
}

p.lede{
  font-size: 1.08rem;
  color: var(--gray);
  max-width: 56ch;
}

/* ---------- Header / Nav ---------- */
header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(23,38,59,0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(176,141,87,0.25);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 20px 32px;
  max-width: 1180px;
  margin: 0 auto;
}
.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  color: var(--ivory);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
}
.brand .seal-mini{ width: 34px; height: 34px; flex-shrink:0; }
.brand small{
  display:block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--brass-light);
  font-weight: 400;
  text-transform: uppercase;
}
.nav-links{
  display:flex;
  gap: 34px;
}
.nav-links a{
  color: rgba(245,240,230,0.78);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  position: relative;
  padding: 4px 0;
  transition: color .25s ease;
}
.nav-links a:hover, .nav-links a.active{ color: var(--ivory); }
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-4px;
  height:1px;
  background: var(--brass);
}
.nav-cta{
  background: var(--bordeaux);
  color: var(--ivory) !important;
  padding: 10px 20px;
  border-radius: 2px;
  font-size: 0.86rem !important;
  border: 1px solid var(--bordeaux-light);
  transition: background .25s ease;
}
.nav-cta:hover{ background: var(--bordeaux-light); }

.nav-toggle{ display:none; }

/* ---------- Hero (page d'accueil, façon "page de garde d'acte") ---------- */
.hero{
  position: relative;
  background: var(--ink);
  background-image:
    radial-gradient(circle at 82% 18%, rgba(176,141,87,0.14), transparent 45%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-light) 100%);
  color: var(--ivory);
  overflow: hidden;
  padding: 120px 0 100px;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image: repeating-linear-gradient(0deg, rgba(245,240,230,0.025) 0px, rgba(245,240,230,0.025) 1px, transparent 1px, transparent 44px);
  pointer-events:none;
}
.hero-grid{
  position: relative;
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items:center;
}
.hero-eyebrow{
  color: var(--brass-light);
}
.hero h1{
  color: var(--ivory);
  margin: 22px 0 26px;
}
.hero h1 em{
  font-style: italic;
  color: var(--brass-light);
}
.hero p.lede{ color: rgba(245,240,230,0.72); }

.hero-actions{
  display:flex;
  gap: 18px;
  margin-top: 38px;
  flex-wrap: wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 14px 28px;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  border-radius: 2px;
  transition: all .25s ease;
  border: 1px solid transparent;
}
.btn-primary{
  background: var(--bordeaux);
  color: var(--ivory);
  border-color: var(--bordeaux-light);
}
.btn-primary:hover{ background: var(--bordeaux-light); transform: translateY(-1px); }
.btn-ghost{
  border-color: rgba(245,240,230,0.35);
  color: var(--ivory);
}
.btn-ghost:hover{ border-color: var(--brass-light); color: var(--brass-light); }

.hero-seal-wrap{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
}
.seal-large{
  width: min(320px, 80%);
  height: auto;
  animation: stamp-in 1.1s cubic-bezier(.2,.9,.25,1) both;
  animation-delay: .15s;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,0.35));
}
@keyframes stamp-in{
  0%{ opacity:0; transform: scale(1.6) rotate(-8deg); }
  60%{ opacity:1; }
  100%{ opacity:1; transform: scale(1) rotate(-4deg); }
}
@media (prefers-reduced-motion: reduce){
  .seal-large{ animation:none; }
}

.hero-ref{
  position: relative;
  margin-top: 30px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(245,240,230,0.5);
  letter-spacing: 0.08em;
}

/* ---------- Bandeau simple (autres pages) ---------- */
.page-banner{
  position: relative;
  background: var(--ink);
  color: var(--ivory);
  padding: 92px 0 64px;
  background-image:
    radial-gradient(circle at 88% 10%, rgba(176,141,87,0.16), transparent 40%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-light) 100%);
}
.page-banner h1{ color: var(--ivory); margin-top: 16px; }
.page-banner p.lede{ color: rgba(245,240,230,0.7); margin-top: 14px; }

/* ---------- Sections générales ---------- */
section{ padding: 90px 0; }
section.alt{ background: var(--ivory-dim); }
.section-head{
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head h2{ margin-top: 16px; }

.divider-seal{
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 18px;
  margin: 0 auto;
  max-width: 1180px;
  padding: 0 32px;
}
.divider-seal .line{ flex:1; height:1px; background: var(--line); }
.divider-seal .seal-mini{ width: 30px; height:30px; opacity:0.8; }

/* ---------- Grille de prestations ---------- */
.acte-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.acte-card{
  background: var(--ivory);
  padding: 40px 34px;
  transition: background .25s ease;
}
.acte-card:hover{ background: #fff; }
.acte-ref{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--brass);
  display:block;
  margin-bottom: 18px;
}
.acte-card h3{ margin-bottom: 12px; }
.acte-card p{ color: var(--gray); font-size: 0.95rem; }

/* ---------- Colonnes texte / image (à propos) ---------- */
.split{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items:center;
}
.split.reverse{ grid-template-columns: 1.1fr 0.9fr; }
.split.reverse .split-visual{ order:2; }

.split-visual{
  background: var(--ink);
  aspect-ratio: 4/5;
  border-radius: 2px;
  position: relative;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.split-visual::before{
  content:"";
  position:absolute; inset:0;
  background-image: repeating-linear-gradient(90deg, rgba(245,240,230,0.03) 0px, rgba(245,240,230,0.03) 1px, transparent 1px, transparent 30px);
}
.split-visual .seal-large{ width: 46%; animation:none; opacity:0.9; }

.stat-row{
  display:flex;
  gap: 46px;
  margin-top: 40px;
  flex-wrap:wrap;
}
.stat{ font-family: var(--font-mono); }
.stat .num{
  font-family: var(--font-display);
  font-size: 2.1rem;
  color: var(--ink);
  display:block;
}
.stat .label{
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gray);
  text-transform: uppercase;
}

/* ---------- Liste d'engagements / valeurs ---------- */
.valeurs-list{ display:flex; flex-direction:column; }
.valeur-item{
  display:grid;
  grid-template-columns: 90px 1fr;
  gap: 26px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.valeur-item:last-child{ border-bottom: 1px solid var(--line); }
.valeur-item .acte-ref{ margin:0; }
.valeur-item h3{ margin-bottom: 8px; }
.valeur-item p{ color: var(--gray); max-width: 60ch; }

/* ---------- Formulaire de contact ---------- */
.contact-wrap{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}
.info-block{ margin-bottom: 30px; }
.info-block .acte-ref{ margin-bottom: 8px; }
.info-block a, .info-block p{ color: var(--charcoal); }
.info-block a:hover{ color: var(--bordeaux); }

form{ display:flex; flex-direction:column; gap: 20px; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}
.field input, .field select, .field textarea{
  border: 1px solid var(--line);
  background: #fff;
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--charcoal);
  border-radius: 2px;
  outline: none;
  transition: border-color .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color: var(--brass);
}
.field textarea{ resize: vertical; min-height: 120px; }
.submit-note{
  font-size: 0.8rem;
  color: var(--gray);
}

/* ---------- Footer ---------- */
footer{
  background: var(--ink);
  color: rgba(245,240,230,0.7);
  padding: 60px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(176,141,87,0.2);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap: 12px;
  color: var(--ivory);
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 14px;
}
.footer-brand .seal-mini{ width:30px; height:30px; }
footer h4{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass-light);
  margin-bottom: 16px;
}
footer ul li{ margin-bottom: 10px; font-size: 0.92rem; }
footer ul li a:hover{ color: var(--ivory); }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top: 24px;
  font-size: 0.8rem;
  color: rgba(245,240,230,0.45);
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Placeholder notice (à retirer en livraison client) ---------- */
.demo-flag{
  background: var(--brass);
  color: var(--ink);
  text-align:center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 8px 12px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-seal-wrap{ order:-1; }
  .seal-large{ width: 180px; }
  .acte-grid{ grid-template-columns: 1fr; }
  .split, .split.reverse{ grid-template-columns: 1fr; }
  .split.reverse .split-visual{ order:0; }
  .contact-wrap{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; gap: 28px; }
  .nav-links{
    position: fixed;
    top: 72px;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: calc(100% - 72px);
    background: var(--ink);
    flex-direction:column;
    padding: 40px 32px;
    gap: 26px;
    transform: translateX(100%);
    transition: transform .3s ease;
    visibility: hidden;
    z-index: 200;
  }
  .nav-links.open{ transform: translateX(0); visibility: visible; }
  .nav-toggle{
    display:block;
    background:none;
    border:none;
    color: var(--ivory);
    font-size: 1.5rem;
    cursor:pointer;
  }
}