/*
Site statique plv-salon.fr — identité "plan technique".
Bleu plan, lignes de cote façon dessin d'architecte, papier calque.
Une sélection proposée par Omnipub.
*/

:root {
  --blueprint: #0B3D65;
  --blueprint-deep: #072A47;
  --grid-line: #4A8FC2;
  --paper: #F7F5EF;
  --paper-line: #DCE3E8;
  --ink: #101820;
  --orange: #E1571F;
  --orange-deep: #B84313;

  --font-display: "Archivo", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.5vw, 1.45rem);
  --step-2: clamp(1.7rem, 1.45rem + 1.2vw, 2.4rem);
  --step-3: clamp(2.2rem, 1.75rem + 2vw, 3.3rem);
  --step-4: clamp(2.5rem, 1.9rem + 3vw, 4rem);

  --radius: 2px;
  --max-w: 1180px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--blueprint); text-decoration: none; }
a:hover { color: var(--orange); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.1;
  margin: 0 0 0.5em;
  color: var(--blueprint-deep);
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-2); }
h3 { font-size: var(--step-1); }

p { margin: 0 0 1.2em; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  display: inline-block;
  margin-bottom: 0.75em;
}

/* Signature : ligne de cote façon dessin technique */
.dim-rule {
  display: flex; align-items: center; gap: 10px;
  max-width: var(--max-w); margin: 56px auto; padding: 0 24px;
}
.dim-rule::before, .dim-rule::after { content: "◀"; color: var(--grid-line); font-size: 0.6rem; }
.dim-rule .line {
  flex: 1; height: 1px; background: var(--grid-line); position: relative;
}
.dim-rule span {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--blueprint); white-space: nowrap;
  border: 1px solid var(--grid-line); padding: 4px 10px; border-radius: var(--radius);
  background: var(--paper);
}

/* Header */
.site-header { background: var(--blueprint-deep); border-bottom: 3px solid var(--orange); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; gap: 24px; }
.site-title { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: 1.35rem; color: #fff; }
.site-tagline { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--grid-line); display: block; margin-top: 2px; }
.primary-nav ul { list-style: none; display: flex; gap: 24px; margin: 0; padding: 0; }
.primary-nav a { color: #E8EEF2; font-size: 0.88rem; font-weight: 600; padding-bottom: 4px; border-bottom: 2px solid transparent; }
.primary-nav a:hover { color: #fff; border-bottom-color: var(--orange); }
.header-cta { display: inline-block; background: var(--orange); color: #fff !important; padding: 10px 18px; border-radius: var(--radius); font-size: 0.85rem; font-weight: 700; text-transform: uppercase; white-space: nowrap; }
.header-cta:hover { background: var(--orange-deep); }
.menu-toggle { display: none; }

/* Hero */
.hero { background: var(--blueprint); color: #fff; padding: 72px 0 56px; background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px); background-size: 32px 32px; }
.hero .container { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: var(--orange); }
.hero-lede { font-size: 1.1rem; max-width: 46ch; opacity: 0.92; text-transform: none; }
.hero-actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }

.btn { display: inline-block; padding: 13px 22px; border-radius: var(--radius); font-weight: 700; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.03em; border: 2px solid transparent; cursor: pointer; transition: transform 0.15s ease, background 0.15s ease; }
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-deep); transform: translateY(-1px); }
.btn-ghost { border-color: rgba(255,255,255,0.4); color: #fff; background: transparent; }
.btn-ghost:hover { border-color: #fff; }

.hero-card { background: var(--paper); color: var(--ink); border-radius: var(--radius); padding: 26px; box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.hero-card-title { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--orange); border-bottom: 1px solid var(--paper-line); padding-bottom: 10px; margin-bottom: 14px; }
.spec-row { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px dashed var(--paper-line); font-size: 0.9rem; }
.spec-row:last-child { border-bottom: none; }
.spec-row .val { font-family: var(--font-mono); font-weight: 700; color: var(--blueprint); }

/* Sections */
.section { padding: 60px 0; }
.section-tint { background: #EFF3F6; }
.section-head { max-width: 62ch; margin-bottom: 40px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.category-card { background: var(--paper); border: 1px solid var(--paper-line); border-radius: var(--radius); padding: 26px; transition: border-color 0.15s ease, transform 0.15s ease; border-top: 3px solid var(--blueprint); }
.category-card:hover { border-color: var(--orange); border-top-color: var(--orange); transform: translateY(-3px); }
.category-card h3 { font-size: 1.1rem; margin-bottom: 0.35em; }
.category-card p { font-size: 0.92rem; opacity: 0.85; margin-bottom: 0.8em; text-transform: none; }
.category-card a.card-link { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--orange); font-weight: 700; }

.trust-band { background: var(--blueprint-deep); color: #fff; padding: 48px 0; }
.trust-band .container { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.trust-band h2 { color: #fff; }
.trust-band p { opacity: 0.9; text-transform: none; }

.guide-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.guide-card { border: 1px solid var(--paper-line); border-left: 3px solid var(--orange); border-radius: var(--radius); padding: 24px; background: var(--paper); }
.guide-card .eyebrow { color: var(--blueprint); }
.guide-card h3 { text-transform: none; font-size: 1.15rem; }

.entry-content { max-width: 72ch; margin: 0 auto; }
.entry-content h2 { margin-top: 1.4em; font-size: 1.5rem; }
.entry-content ul, .entry-content ol { padding-left: 1.3em; }
.entry-content blockquote { border-left: 3px solid var(--orange); padding-left: 1.2em; margin-left: 0; font-size: 1.05rem; color: var(--blueprint-deep); }

.page-hero { background: #EFF3F6; padding: 56px 0 40px; border-bottom: 1px solid var(--paper-line); }
.page-hero .eyebrow { color: var(--orange); }
.page-hero h1 { color: var(--blueprint-deep); }

/* Footer */
.site-footer { background: var(--blueprint-deep); color: #B9CBDA; padding: 56px 0 28px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-grid h4 { color: #fff; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1em; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 0.6em; }
.footer-grid a { color: #B9CBDA; font-size: 0.9rem; }
.footer-grid a:hover { color: #fff; }
.footer-brand p { opacity: 0.9; font-size: 0.9rem; max-width: 40ch; text-transform: none; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px; font-size: 0.78rem; color: rgba(185,203,218,0.7); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

@media (max-width: 880px) {
  .primary-nav { display: none; }
  .menu-toggle { display: inline-flex; background: transparent; border: 1px solid var(--orange); color: #fff; border-radius: var(--radius); padding: 8px 12px; }
  .hero .container { grid-template-columns: 1fr; }
  .trust-band .container { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .guide-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* Téléphone + badge agent IA 24h/24 - 7j/7 (ajout réseau Omnipub) */
.tel-link {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  margin-right: 14px;
}
.tel-link:hover { color: var(--grid-line); }
.tel-badge {
  display: inline-block;
  margin-left: 0.5em;
  padding: 0.2em 0.65em;
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #fff;
  background: var(--orange);
  border-radius: 999px;
  white-space: nowrap;
  vertical-align: middle;
}
.tel-badge--stack { display: block; margin-left: 0; margin-top: 0.35em; }