/* assurance-bureau-professionnel.fr — famille V15-studio (studio suisse)
   noir/blanc cassé + UN accent violet maîtrisé, grille modulaire visible.
   Préfixes : grx- (structure/grille), byr- (composants bureau). */

:root {
  --grx-ink: oklch(0.18 0.010 289);
  --grx-paper: oklch(0.97 0.005 289);
  --grx-surface: oklch(0.90 0.010 289);
  --grx-accent: oklch(0.52 0.160 289);
  --grx-accent-d: oklch(0.40 0.150 289);
  --grx-accent-l: oklch(0.68 0.110 289);
  --grx-ink-2: oklch(0.38 0.010 289);
  --grx-line: oklch(0.82 0.008 289);
  --grx-white: oklch(1 0 0);
  --grx-font: "PT Sans", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --grx-radius: 2px;
  --grx-maxw: 1180px;
  --grx-gap: clamp(1rem, 2vw, 1.6rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  overflow-x: hidden;
  font-family: var(--grx-font);
  background: var(--grx-paper);
  color: var(--grx-ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--grx-accent-d); text-decoration-thickness: 1px; }
a:hover { color: var(--grx-accent); }
h1, h2, h3 { font-family: var(--grx-font); font-weight: 700; line-height: 1.12; letter-spacing: -0.01em; color: var(--grx-ink); }
h1 { font-size: clamp(1.9rem, 4.4vw, 3rem); margin: 0 0 .6rem; }
h2 { font-size: clamp(1.35rem, 2.6vw, 1.9rem); margin: 0 0 .8rem; }
p { margin: 0 0 1rem; }
.grx-skip { position: absolute; left: -9999px; top: 0; background: var(--grx-ink); color: var(--grx-paper); padding: .6rem 1rem; z-index: 200; }
.grx-skip:focus { left: 1rem; top: 1rem; }

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

/* ── Header ─────────────────────────────────────────────────────────── */
.grx-header {
  display: flex; align-items: center; gap: 1.2rem;
  max-width: var(--grx-maxw); margin: 0 auto;
  padding: 1rem var(--grx-gap);
  border-bottom: 1px solid var(--grx-line);
}
.grx-brand { font-weight: 700; font-size: 1.15rem; color: var(--grx-ink); text-decoration: none; }
.grx-brand b { color: var(--grx-accent-d); }
.grx-header-mail { margin-left: auto; font-size: .86rem; color: var(--grx-ink-2); text-decoration: none; }
.grx-header-mail:hover { color: var(--grx-accent-d); }
.grx-header-cta {
  background: var(--grx-accent); color: var(--grx-white); text-decoration: none;
  padding: .6rem 1.1rem; border-radius: var(--grx-radius); font-weight: 700; font-size: .92rem;
  white-space: nowrap;
}
.grx-header-cta:hover { background: var(--grx-accent-d); color: var(--grx-white); }
.grx-nav { display: flex; align-items: center; gap: 1.3rem; margin-left: 1rem; }
.grx-nav > a { color: var(--grx-ink); text-decoration: none; font-size: .95rem; }
.grx-nav > a:hover { color: var(--grx-accent-d); }
.grx-nav-item { position: relative; }
.grx-nav-toggle {
  background: none; border: none; font: inherit; font-size: .95rem; color: var(--grx-ink);
  padding: 0; display: flex; align-items: center; gap: .3rem;
}
.grx-nav-toggle::after { content: "▾"; font-size: .7rem; }
.grx-nav-panel {
  position: absolute; top: 100%; left: 0; background: var(--grx-white);
  border: 1px solid var(--grx-line); box-shadow: 0 8px 24px rgba(0,0,0,.08);
  display: flex; flex-direction: column; min-width: 220px; padding: .4rem 0;
  opacity: 0; visibility: hidden; transform: translateY(4px); transition: .15s;
}
.grx-nav-item:hover .grx-nav-panel, .grx-nav-item:focus-within .grx-nav-panel {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.grx-nav-panel a { padding: .55rem 1rem; color: var(--grx-ink); text-decoration: none; font-size: .92rem; }
.grx-nav-panel a:hover { background: var(--grx-surface); color: var(--grx-accent-d); }
.grx-burger { display: none; background: none; border: none; width: 34px; height: 26px; flex-direction: column; justify-content: space-between; padding: 0; }
.grx-burger span { display: block; height: 2px; background: var(--grx-ink); }
.grx-header--min { justify-content: space-between; }
.grx-header--min a:not(.grx-brand) { color: var(--grx-ink-2); text-decoration: none; font-size: .92rem; }

@media (max-width: 880px) {
  .grx-burger { display: flex; }
  .grx-nav { position: fixed; inset: 64px 0 0 0; background: var(--grx-white); flex-direction: column; align-items: flex-start; padding: 1rem var(--grx-gap); gap: .2rem; transform: translateX(100%); visibility: hidden; transition: transform .2s, visibility .2s; z-index: 90; overflow-y: auto; }
  .grx-nav.grx-nav--open { transform: translateX(0); visibility: visible; }
  .grx-nav-panel { position: static; opacity: 1; visibility: visible; transform: none; border: none; box-shadow: none; padding-left: .8rem; }
  .grx-header-mail { display: none; }
}

/* ── Hero + grille de diagnostic (module signature) ────────────────── */
.grx-hero { max-width: var(--grx-maxw); margin: 0 auto; padding: clamp(1.6rem, 4vw, 3rem) var(--grx-gap) 0; }
.grx-hero__eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; font-weight: 700; color: var(--grx-accent-d); margin: 0 0 .6rem; }
.grx-hero__sub { font-size: 1.08rem; color: var(--grx-ink-2); max-width: 62ch; margin-bottom: 1.4rem; }
.grx-hero__img { width: 100%; height: clamp(160px, 26vw, 300px); object-fit: cover; border-radius: var(--grx-radius); margin-bottom: 1.6rem; }

.grx-grid-diag { margin: 0 0 1.4rem; }
.grx-grid-diag__cases {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px;
  background: var(--grx-line); border: 2px solid var(--grx-ink);
}
.grx-case {
  background: var(--grx-white); padding: 1.2rem; text-decoration: none; color: var(--grx-ink);
  display: flex; flex-direction: column; gap: .4rem; position: relative; min-height: 160px;
  transition: background .15s;
}
.grx-case:hover, .grx-case:focus-visible { background: var(--grx-surface); }
.grx-case:hover .grx-case__label, .grx-case:focus-visible .grx-case__label { color: var(--grx-accent-d); }
.grx-case__img { width: 100%; height: 84px; object-fit: cover; border-radius: var(--grx-radius); margin-bottom: .2rem; }
.grx-case__label { font-weight: 700; font-size: 1.05rem; }
.grx-case__court { font-size: .86rem; color: var(--grx-ink-2); flex: 1; }
.grx-case__arrow { position: absolute; top: 1.1rem; right: 1.1rem; color: var(--grx-accent); font-weight: 700; }
@media (max-width: 620px) {
  .grx-grid-diag__cases { grid-template-columns: 1fr; }
}

/* ── Bande de formulaire pleine largeur (mode A) ────────────────────── */
.grx-lead-band {
  background: var(--grx-ink); color: var(--grx-paper);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border-radius: var(--grx-radius);
  display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(1.2rem, 3vw, 2.4rem);
  align-items: start; min-width: 0;
}
.grx-lead-band h2, .grx-lead-band .grx-lead { color: var(--grx-paper); }
.grx-lead-band .grx-lead { color: oklch(0.85 0.008 289); }
.grx-lead-band > * { min-width: 0; }
@media (max-width: 780px) { .grx-lead-band { grid-template-columns: 1fr; } }

/* min-width:0 partout dans la chaîne grid/flex du formulaire : sans ça, un <select> à longue
   option ("Toutes les garanties (multirisque complète)") impose son min-content à toute la
   colonne et le formulaire déborde du viewport sur les petits mobiles (< 360px). */
.byr-form { display: flex; flex-direction: column; gap: .8rem; background: var(--grx-paper); color: var(--grx-ink); padding: 1.2rem; border-radius: var(--grx-radius); min-width: 0; }
.byr-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; min-width: 0; }
@media (max-width: 520px) { .byr-row2 { grid-template-columns: 1fr; } }
.byr-form label { display: flex; flex-direction: column; gap: .3rem; font-size: .86rem; font-weight: 700; color: var(--grx-ink-2); min-width: 0; }
.byr-form input, .byr-form select, .byr-form textarea {
  border: 1.5px solid oklch(0.60 0.010 289); border-radius: var(--grx-radius); padding: .6rem .7rem;
  background: var(--grx-white); color: var(--grx-ink); font-weight: 400; width: 100%; min-width: 0; max-width: 100%;
}
.byr-form input:focus, .byr-form select:focus, .byr-form textarea:focus { outline: 2px solid var(--grx-accent); outline-offset: 1px; }
.byr-consent { flex-direction: row !important; align-items: flex-start; gap: .5rem !important; font-weight: 400 !important; font-size: .82rem !important; color: var(--grx-ink-2) !important; }
.byr-consent input { width: 18px; height: 18px; flex-shrink: 0; margin-top: .1rem; }
.byr-btn {
  display: inline-block; text-align: center; text-decoration: none;
  padding: .8rem 1.2rem; border-radius: var(--grx-radius); font-weight: 700; border: none; font-size: 1rem;
}
.byr-btn-accent { background: var(--grx-accent-d); color: var(--grx-white); }
.byr-btn-accent:hover { background: oklch(0.32 0.14 289); color: var(--grx-white); }
.byr-reassure { font-size: .78rem; color: var(--grx-ink-2); margin: 0; }
.byr-form--compact { background: var(--grx-white); border: 1px solid var(--grx-line); }

/* Formulaire compact au sommet des pages garantie/accueil/blog (G32 : action au-dessus du
   pli · G57 : surface de saisie sous 250 mots). */
.grx-quick-form { max-width: 480px; margin: 1.2rem 0 1.6rem; }
.grx-quick-form--home { max-width: 560px; }
.grx-section--tight { padding-top: 0; }

/* Alias bouton neutre (pages légales/merci/404) : même style que le bouton d'action principal. */
.grx-btn { display: inline-block; text-decoration: none; padding: .8rem 1.2rem; border-radius: var(--grx-radius); font-weight: 700; background: var(--grx-accent-d); color: var(--grx-white); }
.grx-btn:hover { background: oklch(0.32 0.14 289); color: var(--grx-white); }
.grx-btn-accent { background: var(--grx-accent-d); color: var(--grx-white); }
.grx-btn-accent:hover { background: oklch(0.32 0.14 289); color: var(--grx-white); }

/* Colonne de copy dans la bande de formulaire pleine largeur (mode A). */
.grx-lead-band__copy { display: flex; flex-direction: column; gap: .6rem; }

/* ── Sections génériques ─────────────────────────────────────────────── */
.grx-section { max-width: var(--grx-maxw); margin: 0 auto; padding: clamp(1.8rem, 3.5vw, 3rem) var(--grx-gap); }
.grx-section--narrow { max-width: 860px; }
.grx-spine { border-left: 3px solid var(--grx-accent); padding-left: 1.4rem; }
.grx-lead { font-size: 1.05rem; color: var(--grx-ink-2); max-width: 68ch; }
.grx-note { font-size: .82rem; color: var(--grx-ink-2); }

.grx-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.grx-steps li { border-top: 3px solid var(--grx-accent); padding-top: .8rem; }
.grx-steps li strong { display: block; margin-bottom: .3rem; font-size: 1.05rem; }
.grx-steps li span { color: var(--grx-ink-2); font-size: .92rem; }
@media (max-width: 780px) { .grx-steps { grid-template-columns: 1fr; } }

.grx-table-wrap { overflow-x: auto; }
.grx-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.grx-table th, .grx-table td { border: 1px solid var(--grx-line); padding: .6rem .8rem; text-align: left; }
.grx-table thead th { background: var(--grx-ink); color: var(--grx-paper); }

.grx-faq { display: flex; flex-direction: column; gap: .5rem; }
.grx-faq details { border: 1px solid var(--grx-line); border-radius: var(--grx-radius); padding: .2rem .9rem; }
.grx-faq summary { cursor: pointer; font-weight: 700; padding: .7rem 0; list-style: none; position: relative; padding-right: 1.6rem; }
.grx-faq summary::-webkit-details-marker { display: none; }
.grx-faq summary::after { content: "+"; position: absolute; right: 0; top: .7rem; color: var(--grx-accent); font-weight: 700; font-size: 1.1rem; }
.grx-faq details[open] summary::after { content: "–"; }
.grx-faq details p { padding-bottom: .8rem; color: var(--grx-ink-2); }

.grx-link-list { display: flex; flex-direction: column; gap: .5rem; }
.grx-link-list a { text-decoration: none; padding: .5rem 0; border-bottom: 1px solid var(--grx-line); }

.grx-closing {
  background: var(--grx-surface); border-radius: var(--grx-radius); padding: 1.8rem;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
}
.grx-closing h2 { margin: 0; }
.grx-closing p { margin: 0; max-width: 44ch; color: var(--grx-ink-2); }

/* ── Article / pages garantie ─────────────────────────────────────────── */
.grx-article { max-width: var(--grx-maxw); margin: 0 auto; padding: clamp(1.4rem, 3vw, 2.2rem) var(--grx-gap) 0; }
.grx-breadcrumb { font-size: .82rem; color: var(--grx-ink-2); margin-bottom: 1rem; }
.grx-breadcrumb a { color: var(--grx-ink-2); }
.grx-article__head { max-width: 74ch; margin-bottom: 1rem; }
.grx-article__img { width: 100%; height: clamp(160px, 28vw, 320px); object-fit: cover; border-radius: var(--grx-radius); margin: 1rem 0; }
.grx-prose { max-width: 74ch; }
.grx-prose p { margin-bottom: 1.1rem; }

.grx-blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.grx-blog-card { display: block; border: 1px solid var(--grx-line); border-radius: var(--grx-radius); padding: 1.2rem; text-decoration: none; color: var(--grx-ink); }
.grx-blog-card:hover { border-color: var(--grx-accent); }
.grx-blog-card h2 { font-size: 1.05rem; margin-bottom: .4rem; }
.grx-blog-card p { color: var(--grx-ink-2); font-size: .9rem; margin: 0; }
@media (max-width: 700px) { .grx-blog-grid { grid-template-columns: 1fr; } }

/* ── Avis (palier 4, par profil) ──────────────────────────────────────── */
.grx-avis-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1rem; min-width: 0; }
.grx-avis-card { border: 1px solid var(--grx-line); border-radius: var(--grx-radius); padding: 1.1rem; background: var(--grx-white); min-width: 0; }
.grx-avis-stars { color: var(--grx-accent-d); letter-spacing: .1em; margin: 0 0 .5rem; font-size: 1rem; }
.grx-avis-texte { font-size: .9rem; color: var(--grx-ink-2); margin-bottom: .6rem; }
.grx-avis-auteur { font-size: .82rem; font-weight: 700; color: var(--grx-ink); margin: 0; }
@media (max-width: 880px) { .grx-avis-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .grx-avis-grid { grid-template-columns: 1fr; } }

/* ── Footer ─────────────────────────────────────────────────────────── */
.grx-footer { background: var(--grx-ink); color: var(--grx-paper); margin-top: 2rem; }
.grx-foot-cols { max-width: var(--grx-maxw); margin: 0 auto; padding: 2.4rem var(--grx-gap) 1.2rem; display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 1.6rem; }
@media (max-width: 780px) { .grx-foot-cols { grid-template-columns: 1fr; } }
.grx-foot-col strong { display: block; margin-bottom: .6rem; font-size: .92rem; }
.grx-foot-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .4rem; }
.grx-foot-col a { color: oklch(0.85 0.008 289); text-decoration: none; font-size: .88rem; }
.grx-foot-col a:hover { color: var(--grx-accent-l); }
.grx-foot-brand p { color: oklch(0.78 0.008 289); font-size: .86rem; max-width: 40ch; }
.grx-foot-sources { max-width: var(--grx-maxw); margin: 0 auto; padding: .8rem var(--grx-gap); border-top: 1px solid oklch(0.32 0.010 289); font-size: .76rem; color: oklch(0.62 0.008 289); }
.grx-foot-sources a { color: oklch(0.72 0.02 289); }
.grx-foot-bottom { max-width: var(--grx-maxw); margin: 0 auto; padding: .8rem var(--grx-gap) 1.4rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem; font-size: .78rem; color: oklch(0.6 0.008 289); }
.grx-foot-bottom a { color: oklch(0.72 0.008 289); }