/* ══════════════════════════════════════════════════════════════
   T&T InnovaTech — Collectivités territoriales
   Direction : "Le Registre" — l'univers du registre municipal,
   du tampon officiel et de la plaque de bronze, pas celui de
   l'hôpital. Ardoise + parchemin + laiton, jamais de bleu clinique.
   ══════════════════════════════════════════════════════════════ */

@font-face { font-family: 'Fraunces'; font-style: normal; font-weight: 600; font-display: swap; src: url('fonts/fraunces-600.woff2') format('woff2'); }
@font-face { font-family: 'Fraunces'; font-style: italic; font-weight: 600; font-display: swap; src: url('fonts/fraunces-600italic.woff2') format('woff2'); }
@font-face { font-family: 'Fraunces'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/fraunces-700.woff2') format('woff2'); }
@font-face { font-family: 'Archivo'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/archivo-400.woff2') format('woff2'); }
@font-face { font-family: 'Archivo'; font-style: normal; font-weight: 500; font-display: swap; src: url('fonts/archivo-500.woff2') format('woff2'); }
@font-face { font-family: 'Archivo'; font-style: normal; font-weight: 600; font-display: swap; src: url('fonts/archivo-600.woff2') format('woff2'); }
@font-face { font-family: 'Archivo'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/archivo-700.woff2') format('woff2'); }
@font-face { font-family: 'Archivo'; font-style: normal; font-weight: 800; font-display: swap; src: url('fonts/archivo-800.woff2') format('woff2'); }

:root {
  --ardoise:      #1E2B27;   /* toit d'ardoise — fond sombre principal */
  --ardoise-2:     #283A34;  /* panneau sur fond sombre */
  --ardoise-3:     #34483F;  /* bordure sur fond sombre */
  --parchment:     #F1ECDE; /* papier registre — fond clair principal */
  --parchment-2:   #E7DFC8; /* carte sur fond clair */
  --ink:           #1E2B27; /* texte sur fond clair */
  --ink-soft:      #4B5A52; /* texte secondaire */
  --brass:         #A1732F; /* laiton — accent, liens, focus */
  --brass-light:   #C99A4C;
  --brass-dark:    #7A5620;
  --sage:          #55705A; /* vert de bocage — validation, "ok" */
  --brick:         #9A4632; /* sceau — utilisé une seule fois, avec parcimonie */
  --white:         #FDFBF4;
  --line:          rgba(30,43,39,0.14);
  --line-dark:     rgba(241,236,222,0.16);
  --shadow:        0 20px 48px rgba(20,28,25,0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Archivo', sans-serif;
  color: var(--ink);
  background: var(--parchment);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: 'Fraunces', serif; font-weight: 600; margin: 0; color: inherit; }
p { margin: 0; line-height: 1.65; }
a { color: var(--brass-dark); }
ul { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

.skip-link { position: absolute; left: -9999px; top: 0; background: var(--brass); color: var(--white); padding: 0.75rem 1.25rem; z-index: 2000; }
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible { outline: 3px solid var(--brass); outline-offset: 2px; }

/* ── Eyebrow / folio labels : le registre a une numérotation de feuillet ── */
.folio {
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}
.folio::before { content: ''; width: 22px; height: 1px; background: var(--brass); }
.on-dark .folio { color: var(--brass-light); }
.on-dark .folio::before { background: var(--brass-light); }

.section-title { font-size: clamp(1.6rem, 3vw, 2.15rem); line-height: 1.18; }
.section-sub { font-size: 1.02rem; color: var(--ink-soft); max-width: 640px; margin-top: 0.9rem; }
.section-head { max-width: 720px; margin: 0 auto 3rem; text-align: center; }
section { padding: 5.5rem 1.5rem; }
.wrap { max-width: 1180px; margin: 0 auto; }

/* ══════════ NAV ══════════ */
nav.top {
  position: sticky; top: 0; z-index: 500;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.75rem;
  background: rgba(30,43,39,0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-dark);
}
.nav-logo { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--white); font-family: 'Fraunces', serif; font-weight: 600; font-size: 1.05rem; }
.nav-logo .mark { width: 30px; height: 30px; border: 1.5px solid var(--brass-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.7rem; color: var(--brass-light); font-family: 'Archivo', sans-serif; font-weight: 800; }
.nav-links { display: flex; align-items: center; gap: 1.9rem; }
.nav-links a { color: rgba(253,251,244,0.82); text-decoration: none; font-size: 0.9rem; font-weight: 500; }
.nav-links a:hover { color: var(--white); }
.nav-cta { background: var(--brass); color: var(--ardoise) !important; padding: 0.6rem 1.15rem; border-radius: 3px; font-weight: 700 !important; }
.nav-toggle { display: none; background: none; border: none; color: var(--white); font-size: 1.4rem; cursor: pointer; }

/* ══════════ HERO ══════════ */
.hero {
  background: var(--ardoise);
  color: var(--white);
  padding: 6rem 1.5rem 5rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--line-dark) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(0deg, var(--line-dark) 0 1px, transparent 1px 120px);
  opacity: 0.5;
  pointer-events: none;
}
.hero-grid { position: relative; max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 3rem; align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.35rem); line-height: 1.12; letter-spacing: -0.01em; }
.hero h1 em { font-style: italic; color: var(--brass-light); }
.hero-sub { margin-top: 1.4rem; font-size: 1.08rem; color: rgba(253,251,244,0.82); max-width: 540px; }
.hero-actions { margin-top: 2.1rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-brass, .btn-ghost-dark {
  font-family: 'Archivo', sans-serif; font-weight: 700; font-size: 0.92rem;
  padding: 0.9rem 1.6rem; border-radius: 3px; text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem;
  transition: transform .15s, background .2s;
}
.btn-brass { background: var(--brass); color: var(--ardoise); }
.btn-brass:hover { background: var(--brass-light); transform: translateY(-1px); }
.btn-ghost-dark { border: 1px solid var(--line-dark); color: var(--white); }
.btn-ghost-dark:hover { border-color: var(--brass-light); color: var(--brass-light); }

.hero-chips { margin-top: 2.4rem; display: flex; gap: 0.6rem; flex-wrap: wrap; }
.chip { border: 1px solid var(--line-dark); color: rgba(253,251,244,0.75); font-size: 0.76rem; letter-spacing: 0.04em; padding: 0.4rem 0.75rem; border-radius: 3px; font-weight: 600; }

/* Signature element: le sceau / tampon officiel */
.seal-wrap { position: relative; display: flex; align-items: center; justify-content: center; }
.seal {
  width: 240px; height: 240px; border-radius: 50%;
  border: 2px solid var(--brass);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  transform: rotate(-6deg);
  background: radial-gradient(circle at 35% 30%, rgba(169,122,58,0.14), transparent 70%);
}
.seal::before {
  content: '';
  position: absolute; inset: 14px;
  border: 1px solid var(--ardoise-3);
  border-radius: 50%;
}
.seal-text {
  position: absolute; inset: 0;
  animation: none;
}
.seal-text svg { width: 100%; height: 100%; }
.seal-center { font-family: 'Fraunces', serif; font-style: italic; font-weight: 600; color: var(--brass-light); font-size: 1.5rem; text-align: center; line-height: 1.15; }
.seal-center span { display: block; font-family: 'Archivo', sans-serif; font-style: normal; font-weight: 700; font-size: 0.62rem; letter-spacing: 0.12em; color: rgba(253,251,244,0.6); margin-top: 0.4rem; }

@media (prefers-reduced-motion: no-preference) {
  .seal { transition: transform .4s ease; }
  .hero:hover .seal { transform: rotate(-2deg) scale(1.02); }
}

/* ══════════ TRUST BAND ══════════ */
.trust-band { background: var(--ardoise-2); border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.trust-band .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; padding: 2.2rem 1.5rem; }
.trust-item .k { font-family: 'Fraunces', serif; font-size: 1rem; color: var(--brass-light); margin-bottom: 0.3rem; }
.trust-item .v { font-size: 0.86rem; color: rgba(253,251,244,0.72); }

/* ══════════ APPROCHE ══════════ */
.approche { background: var(--parchment); }
.approche-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; margin-top: 3rem; }
.cert-list li { display: flex; gap: 0.75rem; padding: 0.85rem 0; border-bottom: 1px solid var(--line); font-size: 0.94rem; }
.cert-list li:first-child { padding-top: 0; }
.cert-check { color: var(--sage); font-weight: 800; flex-shrink: 0; }
.approche-text p { margin-bottom: 1.1rem; color: var(--ink-soft); }
.approche-text strong { color: var(--ink); }

/* ══════════ OFFRES ══════════ */
.offres { background: var(--ardoise); color: var(--white); }
.offres-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.offer-card { background: var(--ardoise-2); border: 1px solid var(--line-dark); border-radius: 4px; padding: 1.9rem; display: flex; flex-direction: column; }
.offer-badge { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brass-light); margin-bottom: 0.8rem; }
.offer-title { font-family: 'Fraunces', serif; font-size: 1.2rem; margin-bottom: 0.75rem; }
.offer-desc { color: rgba(253,251,244,0.75); font-size: 0.9rem; margin-bottom: 1.1rem; }
.offer-list { flex: 1; margin-bottom: 1.1rem; }
.offer-list li { font-size: 0.85rem; color: rgba(253,251,244,0.72); padding: 0.4rem 0 0.4rem 1rem; position: relative; }
.offer-list li::before { content: '—'; position: absolute; left: 0; color: var(--brass); }
.offer-foot { font-size: 0.8rem; color: var(--brass-light); border-top: 1px solid var(--line-dark); padding-top: 0.9rem; }

/* ══════════ COMPARATIF ══════════ */
.comparatif { background: var(--parchment); }
.comp-table { width: 100%; border-collapse: collapse; margin-top: 2.5rem; background: var(--white); box-shadow: var(--shadow); border-radius: 4px; overflow: hidden; }
.comp-table th { text-align: left; font-family: 'Fraunces', serif; font-weight: 600; font-size: 0.98rem; padding: 1rem 1.4rem; background: var(--ardoise); color: var(--white); }
.comp-table th:first-child { width: 38%; }
.comp-table td { padding: 1rem 1.4rem; font-size: 0.9rem; border-top: 1px solid var(--line); }
.comp-table td.nok { color: #9C5A4A; }
.comp-table td.ok { color: var(--sage); font-weight: 600; }

/* ══════════ FAQ ══════════ */
.faq { background: var(--ardoise); color: var(--white); }
.faq-list { margin-top: 2.5rem; max-width: 820px; }
.faq-item { border-bottom: 1px solid var(--line-dark); }
.faq-q { padding: 1.3rem 0; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; font-family: 'Fraunces', serif; font-size: 1.05rem; }
.faq-arrow { color: var(--brass-light); transition: transform .2s; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.faq-item.open .faq-a { max-height: 400px; }
.faq-a p { padding-bottom: 1.3rem; color: rgba(253,251,244,0.75); font-size: 0.92rem; max-width: 700px; }

/* ══════════ CONTACT ══════════ */
.contact { background: var(--parchment); }
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 3.5rem; margin-top: 3rem; align-items: start; }
.contact-form { background: var(--white); border: 1px solid var(--line); border-radius: 4px; padding: 2.2rem; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.15rem; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 700; margin-bottom: 0.4rem; color: var(--ink); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.7rem 0.85rem; border: 1px solid var(--line); border-radius: 3px;
  font-family: 'Archivo', sans-serif; font-size: 0.92rem; background: var(--parchment); color: var(--ink);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--brass); background: var(--white); }
.btn-submit-brass {
  width: 100%; background: var(--brass); color: var(--ardoise); border: none; padding: 0.95rem 2rem;
  border-radius: 3px; font-size: 0.95rem; font-weight: 800; font-family: 'Archivo', sans-serif; cursor: pointer;
  margin-top: 1.25rem;
}
.btn-submit-brass:hover { background: var(--brass-light); }
altcha-widget { display: block; margin-bottom: 1.25rem; }
.contact-side .k { font-family: 'Fraunces', serif; font-size: 1.05rem; margin-bottom: 0.5rem; }
.contact-side .v { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 1.6rem; }
.contact-reassurance { font-size: 0.8rem; color: var(--ink-soft); display: flex; gap: 0.5rem; margin-bottom: 0.9rem; }

/* ══════════ MODALS ══════════ */
.modal-overlay { display: none; position: fixed; inset: 0; z-index: 1000; background: rgba(20,28,25,0.72); align-items: center; justify-content: center; padding: 2rem; }
.modal-overlay.active { display: flex; }
.modal-overlay.is-hidden { opacity: 0; }
.modal-box { background: var(--white); border-radius: 4px; max-width: 720px; width: 100%; max-height: 88vh; overflow-y: auto; padding: 2.6rem; position: relative; box-shadow: 0 28px 70px rgba(10,20,15,0.3); }
.modal-close { position: absolute; top: 1.2rem; right: 1.2rem; background: none; border: 1px solid var(--line); width: 34px; height: 34px; border-radius: 50%; cursor: pointer; font-size: 1rem; color: var(--ink); }
.modal-title { font-family: 'Fraunces', serif; font-size: 1.5rem; margin-bottom: 1.5rem; }
.modal-section { margin-bottom: 1.6rem; }
.modal-section h3 { font-family: 'Fraunces', serif; font-size: 1.05rem; margin-bottom: 0.6rem; }
.modal-section p, .modal-section li { font-size: 0.9rem; color: var(--ink-soft); margin-bottom: 0.5rem; }
.modal-section ul { padding-left: 1.1rem; list-style: disc; }

/* ══════════ FOOTER ══════════ */
footer.site-footer { background: var(--ardoise); color: rgba(253,251,244,0.6); padding: 2.5rem 1.5rem; text-align: center; border-top: 1px solid var(--line-dark); }
.footer-links { display: flex; justify-content: center; gap: 1.5rem; margin-bottom: 0.9rem; flex-wrap: wrap; }
.footer-links a { color: rgba(253,251,244,0.72); text-decoration: none; font-size: 0.85rem; }
.footer-links a:hover { color: var(--brass-light); }
.footer-copy { font-size: 0.78rem; }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* ══════════ RESPONSIVE ══════════ */
@media (max-width: 900px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: 0; background: var(--ardoise); padding: 0.5rem 1.75rem 1.5rem; border-bottom: 1px solid var(--line-dark); }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; padding: 0.7rem 0; border-bottom: 1px solid var(--line-dark); }
  .nav-toggle { display: block; }
  .hero-grid { grid-template-columns: 1fr; }
  .seal-wrap { margin-top: 2.5rem; }
  .seal { width: 180px; height: 180px; }
  .approche-grid { grid-template-columns: 1fr; gap: 2rem; }
  .offres-grid { grid-template-columns: 1fr; }
  .trust-band .wrap { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}