/* NovaWeb29 — feuille de style commune aux trois pages.
   Concept : carte marine en noir et blanc (quadrillage, coordonnées de Brest).
   css/realisations.css ne colore que les panneaux logo des clients. */

/* ---------- Variables ---------- */
:root {
  --bg: #FFFFFF;
  --surface: #F5F5F5;
  --fg: #0A0A0A;
  --muted: #555555;
  --line: #D6D6D6;
  --accent: #0A0A0A;
  --accent-fg: #FFFFFF;
  --signal: #0A0A0A;
  --grid: rgba(0, 0, 0, .05);

  --font-display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0A0A0A;
    --surface: #151515;
    --fg: #F5F5F5;
    --muted: #A3A3A3;
    --line: #2E2E2E;
    --accent: #FFFFFF;
    --accent-fg: #0A0A0A;
    --signal: #FFFFFF;
    --grid: rgba(255, 255, 255, .06);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0A0A0A;
  --surface: #151515;
  --fg: #F5F5F5;
  --muted: #A3A3A3;
  --line: #2E2E2E;
  --accent: #FFFFFF;
  --accent-fg: #0A0A0A;
  --signal: #FFFFFF;
  --grid: rgba(255, 255, 255, .06);
  color-scheme: dark;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  padding-inline: max(16px, env(safe-area-inset-left, 0px)) max(16px, env(safe-area-inset-right, 0px));
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
}

.wrap { max-width: 1080px; margin-inline: auto; }

a { color: var(--accent); }
img { max-width: 100%; height: auto; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { margin: 0; font-family: var(--font-display); line-height: 1.08; text-wrap: balance; }
p { margin: 0; }

.mono {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- En-tête et pied de page ---------- */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  padding-block: 22px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--fg);
  text-decoration: none;
}
.logo b { color: var(--muted); }

.site-nav { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.site-nav a {
  padding-block: 6px;
  border-bottom: 2px solid transparent;
  color: var(--fg);
  font-weight: 500;
  font-size: .95rem;
  text-decoration: none;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { border-color: var(--signal); }

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: 40px;
  padding-block: 34px 48px;
  border-top: 1px solid var(--line);
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-footer a { color: var(--muted); font-size: .9rem; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-block;
  padding: 13px 22px;
  border: 2px solid var(--accent);
  border-radius: 6px;
  font: 600 1rem var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: var(--accent-fg); }
.btn--ghost { background: transparent; color: var(--accent); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Sections ---------- */
.section { padding-block: 64px; border-top: 1px solid var(--line); }
.section--spaced { margin-top: 64px; }

.section-head { display: grid; gap: 10px; max-width: 62ch; margin-bottom: 34px; }
.section-head h2 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; letter-spacing: -.025em; }
.section-head p { color: var(--muted); }

/* ---------- Accueil : hero ---------- */
.hero { display: grid; gap: 26px; padding-block: 56px 72px; }
.hero h1 { font-size: clamp(3.4rem, 13vw, 8.6rem); font-weight: 800; letter-spacing: -.04em; }
.hero h1 span { color: var(--muted); }
.hero .lead { max-width: 36ch; font-size: clamp(1.15rem, 2.6vw, 1.5rem); line-height: 1.4; }

/* ---------- Pages intérieures : titre ---------- */
.page-head { display: grid; gap: 14px; max-width: 64ch; padding-block: 44px 56px; }
.page-head h1 { font-size: clamp(2.6rem, 8vw, 5rem); font-weight: 800; letter-spacing: -.035em; }
.page-head p { color: var(--muted); font-size: 1.1rem; }

/* ---------- Cartes ---------- */
.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

.card {
  display: grid;
  gap: 12px;
  align-content: start;
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}
.card h3 { font-size: 1.45rem; font-weight: 700; }
.card p { color: var(--muted); }

.teaser { color: inherit; text-decoration: none; transition: border-color .15s ease; }
.teaser:hover { border-color: var(--signal); }
.teaser strong { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; line-height: 1.1; }
.teaser .more { color: var(--accent); font-weight: 600; }

.social { color: inherit; text-decoration: none; transition: border-color .15s ease; }
.social:hover { border-color: var(--signal); }
.social strong { font: 500 1.2rem var(--font-mono); overflow-wrap: anywhere; }
.social .more { color: var(--accent); font-weight: 600; }

/* ---------- Bandeau d'appel final ---------- */
.cta-band {
  display: grid;
  gap: 18px;
  justify-items: start;
  padding: 36px 32px;
  border-radius: 10px;
  background: var(--fg);
  color: var(--bg);
}
.cta-band h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; letter-spacing: -.02em; }
.cta-band p { max-width: 56ch; opacity: .85; }
.cta-band .btn { border-color: var(--bg); background: var(--bg); color: var(--fg); }

/* ---------- Listes et étapes ---------- */
.checks { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; max-width: 62ch; }
.checks li { position: relative; padding-left: 28px; }
.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 14px;
  height: 2px;
  background: var(--signal);
}
.checks strong { font-weight: 600; }

.steps {
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  counter-reset: step;
}
.steps li { display: grid; gap: 8px; align-content: start; padding-top: 16px; border-top: 2px solid var(--fg); counter-increment: step; }
.steps li::before { content: "0" counter(step); color: var(--signal); font: 500 .8rem var(--font-mono); }
.steps h3 { font-size: 1.3rem; font-weight: 700; }
.steps p { color: var(--muted); }

/* ---------- Réalisations ---------- */
.case {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}
.case + .case { margin-top: 32px; }

.case__visual {
  display: grid;
  gap: 28px;
  align-content: center;
  justify-items: center;
  min-width: 0;
  padding: 40px 28px;
}
.case__visual img { display: block; width: auto; max-height: 260px; }

.case__text { display: grid; gap: 14px; align-content: start; min-width: 0; padding: 32px 30px; }
.case__text h2 { font-size: 2.2rem; font-weight: 700; letter-spacing: -.02em; }
.case__lead { font-size: 1.15rem; line-height: 1.45; }
.case__text p { color: var(--muted); }


.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.tags span {
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  font: 500 .74rem var(--font-mono);
}

/* ---------- Démo de demande de devis ---------- */
.demo { overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.demo__chrome { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--bg); }
.demo__chrome i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.demo__url { margin-left: 6px; color: var(--muted); font: 400 .78rem var(--font-mono); overflow-wrap: anywhere; }
.demo__badge {
  margin-left: auto;
  padding: 2px 8px;
  border: 1px solid var(--signal);
  border-radius: 99px;
  color: var(--signal);
  font: 500 .7rem var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.demo__body { display: grid; gap: 30px; padding: 28px 24px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.demo__intro { display: grid; gap: 14px; align-content: start; }
.demo__intro h3 { font-size: 2rem; font-weight: 700; }
.demo__intro p { color: var(--muted); }
.demo__note { margin: 0; padding: 14px 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }

form { display: grid; gap: 14px; min-width: 0; }
label { display: grid; gap: 5px; font-weight: 600; font-size: .9rem; }
input, select, textarea {
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
  font: 400 1rem var(--font-body);
}
textarea { min-height: 96px; resize: vertical; }
.form-row { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); }

.recap { display: grid; gap: 10px; padding: 18px 20px; border: 1px dashed var(--accent); border-radius: 8px; }
.recap dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0; }
.recap dt { padding-top: 3px; color: var(--muted); font: 500 .74rem var(--font-mono); letter-spacing: .05em; text-transform: uppercase; }
.recap dd { margin: 0; overflow-wrap: anywhere; }

/* ---------- Accueil : engagements et sites en ligne ---------- */
.trust { display: grid; gap: 22px; padding-block: 28px; border-top: 1px solid var(--line); }
.promises { display: flex; flex-wrap: wrap; gap: 10px 32px; margin: 0; padding: 0; list-style: none; font-weight: 600; }
.promises li { position: relative; padding-left: 22px; }
.promises li::before { content: ""; position: absolute; left: 0; top: .72em; width: 12px; height: 2px; background: var(--signal); }

.clients { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 14px; }
.client {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px 8px 10px;
  border-radius: 6px;
  color: #F4EFE6;
  font-family: var(--font-display);
  font-weight: 600;
  text-decoration: none;
  transition: transform .15s ease;
}
.client:hover { transform: translateY(-1px); }
.client img { display: block; width: auto; height: 40px; }
.client--graphite { background: #141A1E; }
.client--manor { background: #211E1E; }

/* ---------- Contact : FAQ ---------- */
.faq { display: grid; max-width: 70ch; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { padding-block: 18px; font-weight: 600; cursor: pointer; }
.faq summary::marker { color: var(--signal); }
.faq p { padding-bottom: 18px; color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .teaser, .social, .client { transition: none; }
  .btn:hover { transform: none; }
}