/* ============================================================
   WEBGUARD STUDIO · PRESTATIONS
   Identité distincte du site du laboratoire : papier chaud,
   encre, vert profond. Ton direct : on chiffre, on livre, on mesure.
   ============================================================ */

:root {
  /* Identité distincte du site du laboratoire : papier chaud, encre, vert profond. */
  --noir: #f5f1e8;
  --noir-2: #ece5d8;
  --noir-3: #e3dbc9;
  --encre: #1c1b18;
  --brume: #5f584c;
  --brume-2: #6f6659;
  --ambre: #1f5c4d;
  --ambre-clair: #266a58;
  --ambre-doux: rgba(31, 92, 77, .14);
  --filet: rgba(28, 27, 24, .14);
  --filet-fort: rgba(28, 27, 24, .26);
  --serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --sans: 'Jost', 'Segoe UI', sans-serif;
  --mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  --large: 1140px;
  --etroit: 760px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  background: var(--noir);
  color: var(--encre);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; height: auto; }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--ambre);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
::selection { background: var(--ambre); color: var(--noir); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ambre); color: var(--noir);
  padding: 12px 18px; z-index: 200; font-weight: 400;
}
.skip-link:focus { left: 16px; top: 16px; }

.grain {
  position: fixed; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 90; opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 7s steps(6) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); }
  20% { transform: translate(-4%,3%); }
  40% { transform: translate(3%,-5%); }
  60% { transform: translate(-5%,-2%); }
  80% { transform: translate(4%,4%); }
}

/* ---------- navigation ---------- */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  gap: 28px; padding: 24px 48px; z-index: 100;
  transition: background .4s ease, padding .4s ease, border-color .4s ease;
  border-bottom: 1px solid transparent;
}
nav.scrolled {
  background: rgba(245,241,232,.92);
  backdrop-filter: blur(14px);
  padding: 14px 48px;
  border-bottom-color: var(--filet);
}
.wordmark {
  font-family: var(--serif); font-weight: 500; font-size: 18px;
  letter-spacing: .18em; margin-right: -.18em; color: var(--encre);
  text-decoration: none; white-space: nowrap;
}
.wordmark b { color: var(--ambre); font-weight: 500; }
.wordmark small {
  display: block; font-family: var(--sans); font-size: 9px;
  letter-spacing: .42em; color: var(--brume); margin-top: 2px;
}
.nav-liens { display: flex; align-items: center; gap: 30px; list-style: none; margin-left: auto; }
.nav-liens a {
  font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--brume); text-decoration: none; transition: color .25s ease;
}
.nav-liens a:hover { color: var(--encre); }
.nav-actions { display: flex; align-items: center; gap: 18px; }
.langue {
  display: flex; gap: 6px; align-items: center;
  font-size: 11px; letter-spacing: .14em; color: var(--brume-2);
}
.langue a { text-decoration: none; padding: 4px 6px; }
.langue a[aria-current="true"] { color: var(--ambre); }
.menu-toggle {
  display: none; background: none; border: 1px solid var(--filet-fort);
  color: var(--encre); width: 42px; height: 38px; cursor: pointer;
  font-size: 18px; line-height: 1;
}

/* ---------- boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; font-family: var(--sans); font-size: 13px;
  letter-spacing: .12em; text-transform: uppercase; text-decoration: none;
  border: 1px solid transparent; cursor: pointer; transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--ambre); color: var(--noir); border-color: var(--ambre); }
.btn-primary:hover { background: var(--ambre-clair); border-color: var(--ambre-clair); }
.btn-ghost { border-color: var(--filet-fort); color: var(--encre); background: transparent; }
.btn-ghost:hover { border-color: var(--ambre); color: var(--ambre-clair); }
.btn-small { padding: 11px 18px; font-size: 11px; }

/* ---------- structure ---------- */
.container { width: min(var(--large), calc(100% - 80px)); margin: 0 auto; }
.etroit { width: min(var(--etroit), calc(100% - 80px)); margin: 0 auto; }
.section { padding: 104px 0; }
.section-panel { background: var(--noir-2); border-top: 1px solid var(--filet); border-bottom: 1px solid var(--filet); }
.filet { border: 0; border-top: 1px solid var(--filet); }
.kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 11px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--ambre); margin-bottom: 22px;
}
.kicker::before { content: ""; width: 28px; height: 1px; background: var(--ambre); }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.08; }
h1 { font-size: clamp(2.7rem, 6vw, 4.9rem); letter-spacing: -.01em; }
h2 { font-size: clamp(2rem, 3.8vw, 3.1rem); }
h3 { font-size: 1.5rem; line-height: 1.2; }
.lead { font-size: clamp(1.08rem, 1.5vw, 1.28rem); color: var(--brume); max-width: 62ch; }
.muted { color: var(--brume); }
.small { font-size: 14px; line-height: 1.65; }
.mono { font-family: var(--mono); font-size: 13px; letter-spacing: .02em; }
.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head h2 { margin-bottom: 18px; }
.section-head p { color: var(--brume); }

/* ---------- héros ---------- */
.hero { padding: 190px 0 96px; position: relative; }
.hero::after {
  content: ""; position: absolute; left: 50%; top: 92px; transform: translateX(-50%);
  width: min(900px, 86vw); height: 520px; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(31,92,77,.10), transparent 66%);
  z-index: -1;
}
.hero h1 { max-width: 18ch; margin-bottom: 28px; }
.hero h1 em { font-style: italic; color: var(--ambre-clair); }
.hero .lead { margin-bottom: 38px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 54px; }
.hero-preuves {
  display: flex; flex-wrap: wrap; gap: 12px 34px;
  padding-top: 26px; border-top: 1px solid var(--filet);
  color: var(--brume); font-size: 13px; letter-spacing: .04em;
}
.hero-preuves span { display: inline-flex; align-items: center; gap: 9px; }
.hero-preuves span::before { content: "·"; color: var(--ambre); font-size: 22px; line-height: 0; }

/* ---------- cartes d'offres ---------- */
.grille-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.carte {
  display: flex; flex-direction: column;
  background: var(--noir-2); border: 1px solid var(--filet);
  padding: 34px 30px 30px; transition: border-color .3s ease, transform .3s ease;
}
.carte:hover { border-color: var(--ambre); transform: translateY(-3px); }
.carte .num { font-family: var(--serif); font-size: 1rem; color: var(--ambre); letter-spacing: .16em; }
.carte h3 { margin: 14px 0 10px; }
.carte .prix {
  font-family: var(--serif); font-size: 2.2rem; color: var(--encre);
  line-height: 1; margin-bottom: 6px;
}
.carte .prix small { font-family: var(--sans); font-size: 12px; color: var(--brume); letter-spacing: .08em; }
.carte .delai { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ambre); margin-bottom: 18px; }
.carte p { color: var(--brume); font-size: 15px; }
.carte ul { list-style: none; margin: 20px 0 26px; display: grid; gap: 9px; }
.carte ul li { position: relative; padding-left: 18px; font-size: 14.5px; color: var(--encre); }
.carte ul li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 1px; background: var(--ambre); }
.carte .pied { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--filet); }
.carte .note { font-size: 12.5px; color: var(--brume-2); line-height: 1.55; }
.badge {
  display: inline-block; font-size: 10px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ambre); border: 1px solid var(--ambre-doux); padding: 4px 9px; margin-bottom: 16px;
}

/* ---------- méthode ---------- */
.etapes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--filet); }
.etape { padding: 34px 26px 10px 0; border-right: 1px solid var(--filet); }
.etape:last-child { border-right: 0; }
.etape .num { font-family: var(--serif); font-size: 2.2rem; color: var(--ambre); line-height: 1; }
.etape h3 { font-size: 1.22rem; margin: 16px 0 10px; }
.etape p { font-size: 14.5px; color: var(--brume); }

/* ---------- deux colonnes ---------- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.duo h2 { margin-bottom: 22px; }
.liste-nette { list-style: none; display: grid; gap: 16px; }
.liste-nette li { display: grid; grid-template-columns: 26px 1fr; gap: 14px; font-size: 15.5px; color: var(--brume); }
.liste-nette li b { color: var(--encre); font-weight: 400; }
.liste-nette .marque { color: var(--ambre); font-family: var(--serif); font-size: 1.2rem; line-height: 1.3; }

/* ---------- preuves / manifeste ---------- */
.manifeste { border-left: 1px solid var(--ambre); padding-left: 30px; }
.manifeste p { font-family: var(--serif); font-size: clamp(1.35rem, 2.4vw, 1.9rem); line-height: 1.45; color: var(--encre); }
.manifeste p + p { margin-top: 18px; font-family: var(--sans); font-size: 15.5px; color: var(--brume); line-height: 1.7; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 0; border-top: 1px solid var(--filet); }
.faq details { border-bottom: 1px solid var(--filet); }
.faq summary {
  cursor: pointer; list-style: none; padding: 22px 40px 22px 0; position: relative;
  font-family: var(--serif); font-size: 1.28rem; color: var(--encre);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 18px;
  font-family: var(--sans); font-size: 22px; color: var(--ambre); font-weight: 300;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 26px; color: var(--brume); max-width: 70ch; }

/* ---------- contact ---------- */
.contact-grille { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; }
.contact-direct { display: grid; gap: 18px; margin-top: 30px; }
.contact-direct a { color: var(--ambre-clair); text-decoration: none; font-size: 1.15rem; }
.contact-direct a:hover { text-decoration: underline; }
form { display: grid; gap: 16px; }
.champ { display: grid; gap: 7px; }
.champ label { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--brume); }
.champ input, .champ textarea, .champ select {
  width: 100%; background: var(--noir-2); color: var(--encre);
  border: 1px solid var(--filet-fort); padding: 13px 14px;
  font-family: var(--sans); font-size: 15px; font-weight: 300;
}
.champ input:focus, .champ textarea:focus, .champ select:focus { border-color: var(--ambre); outline: none; }
.champ textarea { min-height: 140px; resize: vertical; }
.deux { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.aide { font-size: 12.5px; color: var(--brume-2); }
.form-note { font-size: 12.5px; color: var(--brume-2); line-height: 1.6; }

/* ---------- produits / sous-domaines ---------- */
.produits { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.produit { border: 1px solid var(--filet); padding: 26px 24px; background: var(--noir-2); }
.produit h3 { font-size: 1.3rem; margin-bottom: 8px; }
.produit .sous-domaine { font-family: var(--mono); font-size: 12px; color: var(--ambre); margin-bottom: 12px; }
.produit p { font-size: 14.5px; color: var(--brume); }
.produit .statut { display: inline-block; margin-top: 16px; font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--brume-2); border: 1px solid var(--filet); padding: 4px 8px; }
.produit .ligne-prix { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--filet); }
.produit .ligne-prix b { font-family: var(--serif); font-size: 1.6rem; font-weight: 500; color: var(--encre); }
.produit .limite { font-size: 12.5px; color: var(--brume-2); margin-top: 10px; }

/* ---------- abonnements (ajout 22/10/2026, Claude Opus 5.5) ---------- */
.carte-abo { border-color: var(--ambre-doux); background: var(--noir); }
.grille-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
@media (max-width: 980px) { .grille-2 { grid-template-columns: 1fr; } }
.carte-abo .prix small { display: inline; }
.carte-mise { border: 1px solid var(--ambre); }
.bandeau {
  display: flex; flex-wrap: wrap; gap: 10px 30px; margin-top: 26px; padding: 18px 22px;
  border: 1px dashed var(--filet-fort); color: var(--brume); font-size: 14px;
}
.bandeau b { color: var(--encre); font-weight: 400; }
.petites { display: grid; gap: 0; border-top: 1px solid var(--filet); margin-top: 22px; }
.petite {
  display: grid; grid-template-columns: 1fr auto; gap: 6px 24px; align-items: baseline;
  padding: 20px 0; border-bottom: 1px solid var(--filet);
}
.petite h3 { font-size: 1.25rem; }
.petite p { grid-column: 1 / -1; color: var(--brume); font-size: 14.5px; max-width: 80ch; }
.petite .tarif { font-family: var(--serif); font-size: 1.5rem; color: var(--encre); white-space: nowrap; }
.petite .tarif small { font-family: var(--sans); font-size: 12px; color: var(--brume); }
.sous-titre { font-family: var(--serif); font-size: 1.7rem; margin: 64px 0 8px; }
.sous-titre + p { color: var(--brume); max-width: 70ch; }

/* ---------- pages légales ---------- */
.page-legale { padding: 170px 0 100px; }
.page-legale h1 { font-size: clamp(2.2rem, 4.4vw, 3.4rem); margin-bottom: 34px; }
.page-legale h2 { font-size: 1.55rem; margin: 38px 0 12px; }
.page-legale p, .page-legale li { color: var(--brume); font-size: 15.5px; margin-bottom: 10px; }
.page-legale ul { padding-left: 22px; }
.page-legale a { color: var(--ambre-clair); }
.a-completer { color: inherit; } /* 22/10/2026 S80 : texte définitif « en cours d'immatriculation » ; classe gardée pour le décompte de l'export (janvier 2027) */

/* ---------- pied ---------- */
footer {
  border-top: 1px solid var(--filet); padding: 46px 0 54px;
  color: var(--brume-2); font-size: 12.5px;
}
.footer-grille { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 26px; align-items: flex-start; }
.footer-grille a { color: var(--brume); text-decoration: none; }
.footer-grille a:hover { color: var(--encre); }
.footer-liens { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-mentions { max-width: 46ch; line-height: 1.6; }

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

/* ---------- responsif ---------- */
/* 22/10/2026 (Claude Opus 5.5) : 5 liens de menu -> le bouton débordait de 30 px à 1024 px ; on le masque
   entre 981 et 1180 px (le héros et chaque section gardent leur bouton « Demander un devis »). */
@media (max-width: 1180px) {
  nav, nav.scrolled { padding-left: 32px; padding-right: 32px; }
  .nav-liens { gap: 22px; }
  .nav-actions .btn-small { display: none; }
}
@media (max-width: 1020px) {
  .grille-3 { grid-template-columns: 1fr 1fr; }
  .etapes { grid-template-columns: 1fr 1fr; }
  .etape:nth-child(2) { border-right: 0; }
  .etape { padding-bottom: 30px; }
  .duo, .contact-grille { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 980px) {
  nav { padding: 18px 24px; }
  nav.scrolled { padding: 12px 24px; }
  .wordmark { font-size: 15px; letter-spacing: .12em; margin-right: -.12em; }
  .nav-liens {
    position: fixed; inset: 0; top: 0; background: rgba(245,241,232,.98);
    flex-direction: column; justify-content: center; gap: 26px;
    opacity: 0; pointer-events: none; visibility: hidden; transition: opacity .3s ease, visibility .3s; z-index: 95;
  }
  .nav-liens.ouvert { opacity: 1; pointer-events: auto; visibility: visible; }
  .nav-liens a { font-size: 16px; letter-spacing: .18em; }
  .nav-actions .btn { display: none; }
  .menu-toggle { display: block; position: relative; z-index: 110; }
  .container, .etroit { width: calc(100% - 48px); }
  .section { padding: 74px 0; }
  .hero { padding: 140px 0 70px; }
  .grille-3, .produits { grid-template-columns: 1fr; }
  .deux { grid-template-columns: 1fr; }
  .footer-grille { flex-direction: column; }
}
@media (max-width: 520px) {
  .etapes { grid-template-columns: 1fr; }
  .etape { border-right: 0; border-bottom: 1px solid var(--filet); padding-right: 0; }
  .hero-preuves { flex-direction: column; gap: 10px; }
  .carte { padding: 28px 22px 24px; }
}