/* Petrasha LLC — feuille de style */
:root {
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --ink: #111827;
  --ink-soft: #374151;
  --muted: #6b7280;
  --line: #e5e7eb;
  --navy: #1e3a5f;
  --blue: #2457a6;
  --blue-hover: #1b4585;
  --max: 1120px;
  --radius: 6px;
  --font: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-hover); }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 0.6em; color: var(--ink); font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
h2 { font-size: clamp(1.45rem, 2.4vw, 1.85rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.lead { font-size: 1.1rem; color: var(--ink-soft); }
.eyebrow {
  display: inline-block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--blue); font-weight: 600; margin-bottom: 0.9rem;
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky; top: 0; z-index: 50;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); font-weight: 600; font-size: 1.05rem; letter-spacing: 0.02em; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 4px; background: var(--navy);
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 0.95rem;
}
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 28px; }
.site-nav a { color: var(--ink-soft); font-size: 0.95rem; font-weight: 500; padding: 6px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--navy); }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 8px 10px; cursor: pointer; color: var(--ink); font: inherit;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: var(--radius); font-weight: 500; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer; transition: background .15s, color .15s, border-color .15s; font-family: inherit;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: #17304f; color: #fff; }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 40px; }

.hero { padding: 96px 0 88px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 56px; align-items: center; }
.hero h1 { margin-bottom: 1rem; }
.hero .lead { max-width: 600px; margin-bottom: 1.8rem; }
.hero-card {
  background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
}
.hero-card h3 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 1rem; }
.hero-card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; font-size: 0.93rem; }
.hero-card dt { color: var(--muted); }
.hero-card dd { margin: 0; color: var(--ink); font-weight: 500; }

.page-title { padding: 64px 0 48px; border-bottom: 1px solid var(--line); background: var(--bg-alt); }
.page-title p { max-width: 720px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }

.card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
}
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--ink-soft); font-size: 0.95rem; }
.card-num { font-size: 0.8rem; color: var(--blue); font-weight: 600; letter-spacing: 0.1em; margin-bottom: 10px; }

.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value { border-left: 3px solid var(--navy); padding-left: 18px; }
.value h3 { margin-bottom: 0.3rem; }
.value p { color: var(--ink-soft); font-size: 0.95rem; }

.cta-band { background: var(--navy); color: #fff; padding: 56px 0; }
.cta-band h2 { color: #fff; margin-bottom: 0.4rem; }
.cta-band p { color: rgba(255,255,255,0.8); max-width: 620px; }
.cta-band .btn-outline { color: #fff; border-color: rgba(255,255,255,0.7); }
.cta-band .btn-outline:hover { background: #fff; color: var(--navy); }
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }

/* ---------- Prose (pages légales) ---------- */
.prose { max-width: 800px; }
.prose h2 { margin-top: 2.2rem; font-size: 1.3rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--line); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.4rem; font-size: 1.05rem; }
.prose p, .prose li { color: var(--ink-soft); }
.prose ul { padding-left: 1.2rem; }
.legal-table { width: 100%; border-collapse: collapse; margin: 1rem 0 1.5rem; font-size: 0.95rem; }
.legal-table th, .legal-table td { text-align: left; vertical-align: top; padding: 11px 14px; border: 1px solid var(--line); }
.legal-table th { width: 38%; background: var(--bg-alt); color: var(--ink); font-weight: 500; }
.legal-table td { color: var(--ink-soft); }
.table-wrap { overflow-x: auto; }
.note { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; font-size: 0.93rem; color: var(--ink-soft); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.contact-info dl { margin: 0; }
.contact-info dt { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-top: 1.2rem; }
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd { margin: 0.25rem 0 0; color: var(--ink); }
.form { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.88rem; font-weight: 500; margin-bottom: 6px; color: var(--ink); }
.field input, .field textarea, .field select {
  width: 100%; padding: 11px 12px; border: 1px solid #cfd4dc; border-radius: var(--radius);
  font: inherit; font-size: 0.95rem; color: var(--ink); background: #fff;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--blue); outline-offset: 1px; border-color: var(--blue); }
.field textarea { min-height: 140px; resize: vertical; }
.form-footnote { font-size: 0.83rem; color: var(--muted); margin-top: 12px; }
#form-status { margin-top: 16px; padding: 12px 14px; background: #eef4fb; border: 1px solid #c9dbf2; border-radius: var(--radius); font-size: 0.92rem; color: var(--navy); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-alt); padding: 48px 0 28px; font-size: 0.9rem; color: var(--ink-soft); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.site-footer h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 0.8rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--ink-soft); }
.site-footer a:hover { color: var(--navy); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 0.83rem; }
address { font-style: normal; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .grid-2, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .grid-3, .values { grid-template-columns: 1fr 1fr; }
  .hero { padding: 64px 0; }
}
@media (max-width: 640px) {
  .grid-3, .values, .form-row { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .nav-toggle { display: block; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 72px; background: var(--bg); border-bottom: 1px solid var(--line); }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; padding: 8px 24px 16px; }
  .site-nav a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); }
}