/* InfiniVita V3 — Le fil d'améthyste · palette Brume & améthyste (V2) */
@font-face {
  font-family: 'Fraunces';
  src: url('assets/fonts/fraunces-var.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('assets/fonts/fraunces-var-italic.woff2') format('woff2');
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
:root {
  --ink: #37323f;
  --ink-soft: #6b6375;
  --brume: #f2f0ed;
  --brume-2: #e9e5ee;
  --creme: #ece6da;
  --amethyste: #7b6a9e;
  --amethyste-deep: #5d4f7e;
  --amethyste-soft: #b6a8cc;
  --corail: #dd7457;
  --corail-deep: #c05f44;
  --or: #c9a86a;
  --green: #4a6b57;
  --line: #ded8e2;
  --white: #fbfaf8;
  --on-dark: #d8d3e2;
  --on-dark-strong: #e7e3f0;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  background: var(--brume); color: var(--ink); line-height: 1.7;
}

/* ---------- Header ---------- */
header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(253,252,255,0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1120px; margin: 0 auto; padding: 1rem 1.5rem;
  display: flex; align-items: baseline; gap: 2.5rem; flex-wrap: wrap;
}
.logo { font-family: 'Fraunces', 'Iowan Old Style', Palatino, Georgia, serif; font-size: 1.45rem; font-weight: 600; letter-spacing: 0.01em; color: var(--ink); text-decoration: none; }
.logo span { color: var(--amethyste); font-style: italic; }
nav { display: flex; gap: 1.6rem; flex: 1; flex-wrap: wrap; align-items: baseline; }
nav a {
  font-family: -apple-system, 'Segoe UI', Helvetica, sans-serif;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft); text-decoration: none; padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}
nav a:hover { color: var(--amethyste-deep); }
nav a.active { color: var(--amethyste); border-bottom-color: var(--amethyste); }
nav a.espace {
  margin-left: auto; border: 1px solid var(--ink); border-radius: 999px;
  padding: 0.45rem 1.2rem; color: var(--ink);
}
nav a.espace:hover { background: var(--ink); color: var(--brume); }

/* ---------- Layout ---------- */
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 760px; margin-left: auto; margin-right: auto; }
/* Dans les pages de contenu, la colonne s'aligne sur le bord gauche du titre et de la photo */
section.block > .narrow { margin-left: 0; }
section.block { padding: 3rem 0; }
h1, h2, h3, h4 { font-family: 'Fraunces', 'Iowan Old Style', Palatino, Georgia, serif; }
h2.section-title { font-size: clamp(1.6rem, 3.5vw, 2.2rem); font-weight: 500; margin-bottom: 0.4rem; }
h2.section-title em { color: var(--amethyste); }
.page-kicker {
  font-family: -apple-system, 'Segoe UI', sans-serif; font-size: 0.72rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--amethyste);
  margin-bottom: 0.8rem;
}
.page-kicker::after { content: ''; display: block; width: 2.6rem; height: 3px; background: var(--or); margin-top: 0.6rem; }
.prose p { margin-bottom: 1rem; color: var(--ink-soft); }
.prose p strong { color: var(--ink); }
.prose .lead { font-size: 1.14rem; color: var(--ink); }
.prose h3 { font-weight: 500; font-size: 1.4rem; }

/* ---------- Hero (accueil) : encre sombre, texte + photo ---------- */
.hero { position: relative; padding: 5rem 1.5rem 4.5rem; overflow: hidden; background: var(--ink); }
.hero-grid {
  max-width: 1120px; margin: 0 auto;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 3.5rem; align-items: center;
}
.hero-text { position: relative; }
.hero-text::before {
  content: ''; position: absolute; left: -1.6rem; top: 0.4rem; bottom: 0.4rem; width: 2px;
  background: linear-gradient(to bottom, transparent, var(--or) 30%, var(--or) 70%, transparent);
  opacity: 0.9;
}
.hero .question {
  display: block; font-style: italic; color: var(--or);
  font-size: 1.3rem; margin-bottom: 0.5rem;
}
.hero .reponse {
  color: var(--on-dark-strong); font-weight: 600; font-size: 1.08rem; margin-bottom: 1.6rem;
}
.hero h1 {
  font-size: clamp(1.7rem, 3.8vw, 2.5rem); line-height: 1.18; font-weight: 550;
  margin-bottom: 1.3rem; color: var(--white);
}
.hero h1 em { color: var(--amethyste-soft); }
.hero p { color: var(--on-dark); font-size: 1.1rem; margin-bottom: 0.9rem; max-width: 54ch; }
.hero p strong { color: var(--on-dark-strong); }
.hero .tagline { font-style: italic; color: var(--or); margin-top: 1.4rem; }
.hero-illus img {
  width: 100%; height: auto; display: block; border-radius: 6px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}
.hero-illus { position: relative; }
.hero-illus::after {
  content: ''; position: absolute; inset: 1rem -1rem -1rem 1rem;
  border: 1px solid var(--or); border-radius: 6px; z-index: -1; opacity: 0.55;
}

/* ---------- Photos des pages ---------- */
.page-photo { margin: 0 0 2.4rem; position: relative; }
.page-photo img {
  width: 100%; height: auto; max-height: 440px; object-fit: cover;
  display: block; border-radius: 6px;
  box-shadow: 0 18px 44px rgba(55,50,63,0.18);
}
.page-photo::after {
  content: ''; position: absolute; inset: 0.9rem -0.9rem -0.9rem 0.9rem;
  border: 1px solid var(--or); border-radius: 6px; z-index: -1; opacity: 0.5;
}
.card-photo {
  width: 100%; height: 210px; object-fit: cover; display: block;
  border-radius: 4px; margin-bottom: 1.3rem;
}
.card.full .split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 2.2rem; align-items: center; }
.card.full .split .card-photo { height: 100%; max-height: 300px; margin-bottom: 0; }
@media (max-width: 700px) { .card.full .split { grid-template-columns: 1fr; } .card.full .split .card-photo { height: 210px; } }

/* ---------- Apparition douce au défilement ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
  .reveal.seen { opacity: 1; transform: none; }
}
.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2.2rem; }
@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.4rem; }
  .hero-text::before { display: none; }
  .hero { text-align: center; padding: 3.5rem 1.25rem 3rem; }
  .hero p { margin-left: auto; margin-right: auto; }
  .cta-row { justify-content: center; }
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-block; font-family: inherit; font-size: 1rem; cursor: pointer; text-decoration: none;
  padding: 0.9rem 1.9rem; border-radius: 999px; border: 1px solid var(--corail);
  background: var(--corail); color: #fff; transition: 0.25s; text-align: center;
}
.btn:hover { background: var(--corail-deep); border-color: var(--corail-deep); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn.ghost:hover { background: var(--brume-2); color: var(--ink); }
.hero .btn.ghost { color: var(--on-dark-strong); border-color: var(--on-dark); }
.hero .btn.ghost:hover { background: rgba(255,255,255,0.1); color: #fff; }

/* ---------- Bandeau de confiance ---------- */
.trust { background: var(--ink); color: var(--brume); padding: 1.3rem 1rem; }
.trust-inner {
  max-width: 1120px; margin: 0 auto; display: flex; gap: 3rem;
  justify-content: center; flex-wrap: wrap; font-size: 0.92rem;
}
.trust-inner strong { color: #fff; font-weight: 600; }
.trust-inner span { color: var(--on-dark); }

/* ---------- Cartes accueil ---------- */
.three-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; padding: 4rem 0 3rem; }
a.card { text-decoration: none; color: inherit; }
.card {
  display: block; background: var(--white); border: 1px solid var(--line); border-radius: 4px;
  padding: 2.4rem 2.2rem; transition: 0.25s; position: relative;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 2.2rem; width: 2.6rem; height: 3px;
  background: var(--or);
}
.card .vignette {
  width: 100%; max-width: 300px; height: auto; display: block;
  border-radius: 6px; margin-bottom: 1.3rem;
}
.card.full { grid-column: 1 / -1; }
.card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(60,45,90,0.10); }
.card .kicker {
  font-family: -apple-system, 'Segoe UI', sans-serif; font-size: 0.72rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--amethyste);
  margin-bottom: 0.9rem;
}
.card h3 { font-size: 1.5rem; font-weight: 500; margin-bottom: 0.7rem; }
.card p { color: var(--ink-soft); font-size: 1rem; }
.card .sub { font-size: 0.85rem; color: var(--amethyste); margin-top: 1.2rem; font-style: italic; }
@media (max-width: 640px) { .three-cards { grid-template-columns: 1fr; } }

/* ---------- Citation ---------- */
.quote-strip {
  position: relative; text-align: center; font-style: italic; font-size: 1.35rem;
  padding: 4rem 1rem; color: var(--ink); background: var(--creme);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.quote-strip::before {
  content: ''; position: absolute; left: 50%; top: -1.4rem; width: 2px; height: 2.8rem;
  background: var(--or);
}
.quote-strip .small { font-size: 0.98rem; color: var(--ink-soft); margin-top: 1rem; font-style: normal; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ---------- Triptyque ---------- */
.triple { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.6rem; margin-top: 1.5rem; }
.triple .cell { background: var(--white); border: 1px solid var(--line); border-radius: 4px; padding: 1.8rem 1.6rem; }
.triple .cell h4 { margin-bottom: 0.6rem; font-size: 1.08rem; font-weight: 600; }
.triple .cell p { font-size: 0.95rem; color: var(--ink-soft); }

/* ---------- Coffre (section sombre) ---------- */
.vault {
  background: var(--ink); color: var(--brume); border-radius: 4px;
  padding: 3rem 2.6rem; margin: 3.5rem 0; border-top: 3px solid var(--or);
}
.vault h2 { font-size: 1.7rem; font-weight: 500; margin-bottom: 1.2rem; }
.vault h2 em { color: var(--amethyste-soft); }
.vault p { color: var(--on-dark); margin-bottom: 1rem; }
.vault ul { list-style: none; margin: 1rem 0 1.5rem; }
.vault li { padding: 0.55rem 0; border-bottom: 1px solid rgba(255,255,255,0.12); color: var(--on-dark-strong); }
.vault li:last-child { border-bottom: none; }
.vault .key-q { color: var(--amethyste-soft); font-weight: bold; margin-top: 1.5rem; }

/* ---------- Sous-navigation ---------- */
html { scroll-behavior: smooth; }
.panel, .guard, .prose, .page-photo { scroll-margin-top: 96px; }
.subnav { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 1.8rem 0 2.2rem; }
.subnav a {
  font-family: -apple-system, 'Segoe UI', sans-serif; font-size: 0.78rem; letter-spacing: 0.06em;
  background: var(--white); border: 1px solid var(--line);
  padding: 0.4rem 0.95rem; border-radius: 999px; color: var(--ink-soft);
  text-decoration: none; cursor: pointer; transition: 0.2s;
}
.subnav a:hover { border-color: var(--amethyste); color: var(--amethyste-deep); background: var(--brume-2); }

/* ---------- Panneaux & formulaires ---------- */
.panel {
  position: relative; background: var(--white); border: 1px solid var(--line); border-radius: 4px;
  padding: 2rem 1.9rem; margin-bottom: 1.6rem;
}
.panel::before {
  content: ''; position: absolute; top: 0; left: 1.9rem; width: 2.2rem; height: 3px;
  background: var(--amethyste-soft);
}
.panel h3 { margin-bottom: 0.8rem; font-weight: 600; font-size: 1.15rem; }
label { display: block; font-family: -apple-system, 'Segoe UI', sans-serif; font-size: 0.85rem; color: var(--ink-soft); margin: 0.9rem 0 0.3rem; }
input[type=text], input[type=email], input[type=password], input[type=date], textarea, select {
  width: 100%; padding: 0.7rem 0.9rem; border: 1px solid var(--line); border-radius: 4px;
  font-family: inherit; font-size: 0.97rem; background: var(--brume); color: var(--ink);
}
textarea { min-height: 110px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--amethyste-soft); }
.emoji-row { display: flex; gap: 0.5rem; margin: 0.6rem 0; flex-wrap: wrap; }
.emoji-row button {
  font-size: 1.5rem; background: var(--brume); border: 1px solid var(--line);
  border-radius: 4px; padding: 0.35rem 0.6rem; cursor: pointer;
}
.emoji-row button.sel { border-color: var(--amethyste); background: var(--brume-2); }
.hint { font-size: 0.85rem; color: var(--ink-soft); margin-top: 0.8rem; }
.ok-msg { color: var(--green); font-size: 0.92rem; margin-top: 0.7rem; display: none; }
.panel .note { font-size: 0.93rem; color: var(--ink-soft); }

/* ---------- Offres ---------- */
.tarifs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 2rem; }
.tarif {
  position: relative; background: var(--white); border: 1px solid var(--line); border-radius: 4px;
  padding: 1.8rem 1.6rem; display: flex; flex-direction: column;
}
.tarif::before { content: ''; position: absolute; top: 0; left: 1.6rem; width: 2.2rem; height: 3px; background: var(--amethyste-soft); }
.tarif.full { grid-column: 1 / -1; }
.tarif .num { font-family: -apple-system, 'Segoe UI', sans-serif; font-size: 0.72rem; color: var(--amethyste); letter-spacing: 0.14em; text-transform: uppercase; }
.tarif h4 { margin: 0.4rem 0 0.7rem; font-size: 1.25rem; font-weight: 600; }
.tarif p { font-size: 0.93rem; color: var(--ink-soft); flex: 1; }
.tarif .price { margin-top: 1.1rem; font-size: 0.87rem; font-style: italic; color: var(--green); }
.tarif.featured { border-color: var(--amethyste); box-shadow: 0 6px 22px rgba(111,85,153,0.14); }
.tarif.featured::before { background: var(--amethyste); }
@media (max-width: 800px) { .tarifs-grid { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq-section {
  margin: 2.6rem 0 1.1rem; color: var(--amethyste); font-size: 1.2rem; font-weight: 500;
  border-bottom: 1px solid var(--line); padding-bottom: 0.5rem;
}
.faq-item { background: var(--white); border: 1px solid var(--line); border-radius: 4px; margin-bottom: 0.9rem; overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  font-family: inherit; font-size: 1.02rem; color: var(--ink);
  padding: 1.1rem 1.3rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-q:hover { background: var(--brume-2); }
.faq-q .qnum { color: var(--amethyste); margin-right: 0.5rem; }
.faq-q .chev { color: var(--amethyste); transition: transform 0.3s; flex-shrink: 0; font-size: 0.8rem; }
.faq-item.open .chev { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-a p { padding: 0 1.3rem 1.2rem; color: var(--ink-soft); font-size: 0.96rem; }

/* ---------- Garde-fou ---------- */
.guard { position: relative; border: 1px solid var(--amethyste); border-radius: 4px; background: var(--white); padding: 2rem 1.9rem; margin: 1.6rem 0; }
.guard::before { content: ''; position: absolute; top: 0; left: 1.9rem; width: 2.2rem; height: 3px; background: var(--amethyste); }
.guard h3 { color: var(--amethyste-deep); margin-bottom: 0.7rem; font-weight: 600; font-size: 1.15rem; }
.guard ul { margin: 0.7rem 0 0.7rem 1.2rem; color: var(--ink-soft); }
.guard li { margin-bottom: 0.4rem; }

/* ---------- Footer ---------- */
footer { background: var(--ink); color: #9c94ad; text-align: center; padding: 3rem 1rem 2.4rem; margin-top: 4rem; font-size: 0.9rem; }
footer .sig { color: var(--brume); font-size: 1.08rem; font-style: italic; margin-bottom: 1.2rem; }
footer .sig strong { color: var(--amethyste-soft); font-style: normal; }
footer a { color: var(--amethyste-soft); text-decoration: underline; }
footer .worknote { margin-top: 1.3rem; font-size: 0.8rem; color: #7d7590; }

@media (max-width: 640px) {
  header { position: static; }
  .header-inner { justify-content: center; gap: 1rem; }
  nav { justify-content: center; gap: 1rem; }
  nav a.espace { margin-left: 0; }
  .hero { padding: 3.5rem 1rem 2.5rem; }
  .vault { padding: 2.2rem 1.5rem; }
}