:root {
    --gold: #C5A27D;
    --gold-light: #d9bfa0;
    --gold-dark: #a8875f;
    --dark: #2D2D2D;
    --dark2: #1a1a1a;
    --mid: #4a4a4a;
    --light: #f5f0ea;
    --white: #ffffff;
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Jost', sans-serif;
    background: var(--dark2);
    color: var(--light);
    overflow-x: hidden;
  }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.2rem 3rem;
    background: rgba(26,26,26,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(197,162,125,0.15);
    transition: padding .3s;
  }
  .nav-logo {
    display: flex; align-items: center; gap: 1rem;
  }
  .nav-logo img { width: 56px; height: 56px; object-fit: contain; }
  .nav-brand { line-height: 1; }
  .nav-brand strong {
    display: block; font-family: 'Cormorant Garamond', serif;
    font-size: 1.45rem; font-weight: 600; color: var(--gold); letter-spacing: .08em;
  }
  .nav-brand span {
    font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
    color: rgba(197,162,125,0.6); font-weight: 300;
  }
  .nav-links { display: flex; gap: 2.5rem; list-style: none; }
  .nav-links a {
    font-size: .88rem; letter-spacing: .15em; text-transform: uppercase;
    color: rgba(245,240,234,.65); text-decoration: none; font-weight: 400;
    transition: color .2s;
  }
  .nav-links a:hover { color: var(--gold); }
  .nav-cta {
    background: none; border: 1px solid var(--gold);
    color: var(--gold); padding: .6rem 1.5rem;
    font-family: 'Jost', sans-serif; font-size: .82rem;
    letter-spacing: .18em; text-transform: uppercase; cursor: pointer;
    transition: background .2s, color .2s;
  }
  .nav-cta:hover { background: var(--gold); color: var(--dark2); }

  /* ── HERO ── */
  #hero {
    min-height: 100vh;
    display: grid; place-items: center;
    position: relative; overflow: hidden;
    background: var(--dark2);
  }
  .hero-bg {
    position: absolute; inset: 0;
    background:
      radial-gradient(ellipse 70% 60% at 50% 100%, rgba(197,162,125,0.08) 0%, transparent 70%),
      radial-gradient(ellipse 50% 50% at 80% 20%, rgba(197,162,125,0.05) 0%, transparent 60%);
  }
  /* Mountain silhouette */
  .hero-mountain {
    position: absolute; bottom: 0; left: 0; right: 0;
    width: 100%; height: 55%;
    opacity: 1;
  }
  .hero-inner {
    position: relative; z-index: 2;
    text-align: center; padding: 0 2rem;
    max-width: 900px;
    animation: heroFade .9s ease both;
  }
  @keyframes heroFade {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .hero-tag {
    display: inline-flex; align-items: center; gap: .6rem;
    font-size: .65rem; letter-spacing: .3em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 2rem;
    animation: heroFade .9s .15s ease both;
  }
  .hero-tag::before, .hero-tag::after {
    content: ''; display: block; width: 30px; height: 1px; background: var(--gold-dark);
  }
  h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2.8rem, 6vw, 5.5rem);
    font-weight: 300; line-height: 1.1;
    color: var(--white);
    letter-spacing: .01em;
    animation: heroFade .9s .25s ease both;
  }
  h1 em { font-style: italic; color: var(--gold); }
  .hero-sub {
    margin-top: 1.8rem;
    font-size: clamp(.9rem, 1.4vw, 1.05rem);
    color: rgba(245,240,234,.55); font-weight: 300;
    max-width: 620px; margin-inline: auto; line-height: 1.75;
    animation: heroFade .9s .35s ease both;
  }
  .hero-actions {
    margin-top: 3rem; display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap;
    animation: heroFade .9s .45s ease both;
  }
  .btn-gold {
    background: var(--gold); color: var(--dark2);
    border: none; padding: .9rem 2.4rem;
    font-family: 'Jost', sans-serif; font-size: .75rem;
    letter-spacing: .22em; text-transform: uppercase;
    cursor: pointer; font-weight: 500;
    transition: background .2s, transform .15s;
    text-decoration: none; display: inline-block;
  }
  .btn-gold:hover { background: var(--gold-light); transform: translateY(-1px); }
  .btn-outline {
    background: none; border: 1px solid rgba(197,162,125,.45);
    color: var(--gold-light); padding: .9rem 2.4rem;
    font-family: 'Jost', sans-serif; font-size: .75rem;
    letter-spacing: .22em; text-transform: uppercase;
    cursor: pointer; font-weight: 400;
    transition: border-color .2s, color .2s;
    text-decoration: none; display: inline-block;
  }
  .btn-outline:hover { border-color: var(--gold); color: var(--gold); }

  .scroll-hint {
    position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: .5rem;
    font-size: .6rem; letter-spacing: .2em; text-transform: uppercase;
    color: rgba(197,162,125,.4);
    animation: bounce 2s infinite;
  }
  .scroll-hint::after {
    content: ''; display: block; width: 1px; height: 40px;
    background: linear-gradient(to bottom, rgba(197,162,125,.4), transparent);
  }
  @keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
  }

  /* ── SECTION SHARED ── */
  section { padding: 7rem 2rem; }
  .container { max-width: 1100px; margin: 0 auto; }
  .section-label {
    font-size: .75rem; letter-spacing: .3em; text-transform: uppercase;
    color: var(--gold); display: flex; align-items: center; gap: .8rem;
    margin-bottom: 1rem;
  }
  .section-label::after { content: ''; flex: 1; max-width: 40px; height: 1px; background: var(--gold-dark); }
  h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 300; line-height: 1.15; color: var(--white);
    margin-bottom: 1rem;
  }
  h2 span { color: var(--gold); font-style: italic; }

  /* ── ABOUT ── */
  #about {
    background: var(--dark);
    border-top: 1px solid rgba(197,162,125,0.1);
    border-bottom: 1px solid rgba(197,162,125,0.1);
  }
  .about-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
  }
  .about-text p {
    font-size: 1.02rem; color: rgba(245,240,234,.6);
    line-height: 1.85; font-weight: 300; margin-bottom: 1.2rem;
  }
  .about-stats {
    display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
  }
  .stat-box {
    background: rgba(197,162,125,0.06);
    border: 1px solid rgba(197,162,125,0.12);
    padding: 2rem 1.5rem;
    transition: background .2s;
  }
  .stat-box:hover { background: rgba(197,162,125,0.1); }
  .stat-box strong {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.6rem; color: var(--gold); display: block;
    font-weight: 300;
  }
  .stat-box span { font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(245,240,234,.45); }
  .engagements {
    margin-top: 2.5rem; display: flex; flex-direction: column; gap: .7rem;
  }
  .eng-item {
    display: flex; align-items: center; gap: .8rem;
    font-size: .92rem; color: rgba(245,240,234,.6); letter-spacing: .04em;
  }
  .eng-item::before {
    content: ''; width: 5px; height: 5px; background: var(--gold); border-radius: 50%; flex-shrink: 0;
  }

  /* ── SERVICES ── */
  #services { background: var(--dark2); }
  .services-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5px;
    margin-top: 3.5rem;
  }
  .service-card {
    background: rgba(197,162,125,0.04);
    border: 1px solid rgba(197,162,125,0.1);
    padding: 2.8rem 2.5rem;
    transition: background .25s, transform .2s;
    position: relative; overflow: hidden;
  }
  .service-card::before {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 0; height: 2px; background: var(--gold);
    transition: width .3s;
  }
  .service-card:hover { background: rgba(197,162,125,0.08); transform: translateY(-2px); }
  .service-card:hover::before { width: 100%; }
  .service-icon {
    width: 44px; height: 44px; margin-bottom: 1.5rem;
    color: var(--gold);
  }
  .service-card h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem; font-weight: 400; color: var(--white);
    margin-bottom: .8rem;
  }
  .service-card p { font-size: .92rem; color: rgba(245,240,234,.5); line-height: 1.8; font-weight: 300; }
  .service-list {
    margin-top: 1rem; list-style: none; display: flex; flex-direction: column; gap: .35rem;
  }
  .service-list li {
    font-size: .87rem; color: rgba(245,240,234,.45); padding-left: 1rem; position: relative;
  }
  .service-list li::before { content: '—'; position: absolute; left: 0; color: var(--gold-dark); }

  /* ── CRÉDIT D'IMPÔT ── */
  #credit {
    background: var(--dark);
    border-top: 1px solid rgba(197,162,125,0.12);
  }
  .credit-wrapper {
    display: grid; grid-template-columns: 1fr 1.4fr; gap: 5rem; align-items: start;
  }
  .credit-highlight {
    position: sticky; top: 7rem;
  }
  .credit-badge {
    display: inline-flex; align-items: baseline; gap: .3rem;
    margin-bottom: 2rem;
  }
  .credit-badge .pct {
    font-family: 'Cormorant Garamond', serif;
    font-size: 7rem; font-weight: 300; line-height: 1;
    color: var(--gold);
  }
  .credit-badge .pct-label {
    display: flex; flex-direction: column; gap: .2rem;
  }
  .credit-badge .pct-label span {
    font-size: 1.2rem; color: var(--gold); font-family: 'Cormorant Garamond', serif;
  }
  .credit-badge .pct-label small {
    font-size: .65rem; letter-spacing: .18em; text-transform: uppercase;
    color: rgba(197,162,125,.55);
  }
  .credit-note {
    font-size: .82rem; color: rgba(245,240,234,.35); line-height: 1.7;
    font-style: italic; margin-top: 1.5rem;
    border-top: 1px solid rgba(197,162,125,.12); padding-top: 1.2rem;
  }
  .coop-logo-zone {
    margin-top: 2rem; padding: 1.5rem;
    border: 1px solid rgba(197,162,125,.15);
    background: rgba(197,162,125,.04);
    display: flex; align-items: center; gap: 1rem;
  }
  .coop-logo-zone img { width: 80px; height: 80px; object-fit: contain; }
  .coop-logo-zone p {
    font-size: .82rem; color: rgba(245,240,234,.45); line-height: 1.6;
  }
  .coop-logo-zone p strong { color: var(--gold-light); font-weight: 500; display: block; }
  .coop-logo-zone { cursor: pointer; }
  .coop-logo-zone:hover { background: rgba(197,162,125,.1); border-color: rgba(197,162,125,.35); }

  .credit-categories { display: flex; flex-direction: column; gap: 1px; }
  .credit-cat {
    border: 1px solid rgba(197,162,125,0.12);
    background: rgba(197,162,125,0.04);
    overflow: hidden;
  }
  .credit-cat-header {
    display: flex; align-items: center; gap: 1rem;
    padding: 1.3rem 1.6rem; cursor: pointer;
    transition: background .2s;
    user-select: none;
  }
  .credit-cat-header:hover { background: rgba(197,162,125,0.08); }
  .credit-cat-icon { color: var(--gold); flex-shrink: 0; }
  .credit-cat-header h4 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.2rem; font-weight: 400; color: var(--white); flex: 1;
  }
  .credit-cat-toggle {
    color: rgba(197,162,125,.5); font-size: 1.1rem;
    transition: transform .25s;
  }
  .credit-cat.open .credit-cat-toggle { transform: rotate(45deg); }
  .credit-cat-body {
    max-height: 0; overflow: hidden;
    transition: max-height .35s ease;
    padding: 0 1.6rem;
  }
  .credit-cat.open .credit-cat-body { max-height: 500px; padding-bottom: 1.2rem; }
  .credit-cat-body ul { list-style: none; display: flex; flex-direction: column; gap: .3rem; }
  .credit-cat-body li {
    font-size: .88rem; color: rgba(245,240,234,.45); padding-left: 1rem; position: relative;
  }
  .credit-cat-body li::before { content: '✓'; position: absolute; left: 0; color: var(--gold); font-size: .65rem; }

  /* ── ZONE ── */
  #zone {
    background: var(--dark2);
    text-align: center;
  }
  .zone-inner { max-width: 750px; margin: 0 auto; }
  .zone-inner p { font-size: 1.02rem; color: rgba(245,240,234,.5); line-height: 1.85; font-weight: 300; margin-top: 1.5rem; }
  .zone-tags { display: flex; gap: .7rem; flex-wrap: wrap; justify-content: center; margin-top: 2rem; }
  .zone-tag {
    font-size: .78rem; letter-spacing: .15em; text-transform: uppercase;
    border: 1px solid rgba(197,162,125,.2);
    color: rgba(197,162,125,.65); padding: .45rem 1rem;
  }

  /* ── CONTACT ── */
  #contact {
    background: var(--dark);
    border-top: 1px solid rgba(197,162,125,.12);
  }
  .contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 5rem; align-items: start; }
  .contact-info h2 { margin-bottom: 1.5rem; }
  .contact-info p { font-size: .96rem; color: rgba(245,240,234,.5); line-height: 1.85; font-weight: 300; }
  .contact-details { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 1.2rem; }
  .contact-detail { display: flex; gap: 1rem; align-items: flex-start; }
  .contact-detail-icon { color: var(--gold); margin-top: .1rem; flex-shrink: 0; }
  .contact-detail-text small {
    display: block; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
    color: rgba(197,162,125,.45); margin-bottom: .2rem;
  }
  .contact-detail-text span { font-size: .92rem; color: rgba(245,240,234,.7); }

  .contact-form { display: flex; flex-direction: column; gap: 1rem; }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
  .form-group { display: flex; flex-direction: column; gap: .4rem; }
  .form-group label {
    font-size: .74rem; letter-spacing: .2em; text-transform: uppercase;
    color: rgba(197,162,125,.55);
  }
  .form-group input,
  .form-group textarea,
  .form-group select {
    background: rgba(197,162,125,0.05);
    border: 1px solid rgba(197,162,125,0.18);
    color: var(--light); padding: .8rem 1rem;
    font-family: 'Jost', sans-serif; font-size: .95rem; font-weight: 300;
    outline: none; transition: border-color .2s;
    width: 100%;
  }
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus { border-color: var(--gold); }
  .form-group textarea { resize: vertical; min-height: 120px; }
  .form-group select option { background: var(--dark); }
  .form-privacy {
    font-size: .78rem; color: rgba(245,240,234,.3); line-height: 1.6; font-style: italic;
  }

  /* ── FOOTER ── */
  footer {
    background: var(--dark2);
    border-top: 1px solid rgba(197,162,125,.1);
    padding: 3rem 2rem 2rem;
  }
  .footer-inner {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 3rem;
    align-items: start;
  }
  .footer-brand strong {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.4rem; color: var(--gold); letter-spacing: .08em; display: block;
  }
  .footer-brand span {
    font-size: .6rem; letter-spacing: .25em; text-transform: uppercase;
    color: rgba(197,162,125,.4);
  }
  .footer-brand p {
    margin-top: 1rem; font-size: .88rem;
    color: rgba(245,240,234,.3); line-height: 1.75; font-weight: 300;
  }
  .footer-col h5 {
    font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 1rem;
  }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .5rem; }
  .footer-col li { font-size: .88rem; color: rgba(245,240,234,.35); }
  .footer-bottom {
    max-width: 1100px; margin: 2rem auto 0; padding-top: 1.5rem;
    border-top: 1px solid rgba(197,162,125,.08);
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 1rem;
  }
  .footer-bottom p { font-size: .76rem; color: rgba(245,240,234,.2); letter-spacing: .06em; }

  /* ── DIVIDER ── */
  .divider {
    max-width: 1100px; margin: 0 auto;
    height: 1px; background: linear-gradient(to right, transparent, rgba(197,162,125,.2), transparent);
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    nav { padding: 1rem 1.5rem; }
    .nav-links, .nav-cta { display: none; }
    .about-grid, .credit-wrapper, .contact-grid, .footer-inner { grid-template-columns: 1fr; gap: 3rem; }
    .services-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .credit-highlight { position: static; }
  }