/* ============================================================
   montegamme.fr — feuille de styles du site vitrine
   Concept « la partition et le terminal » : page éditoriale
   papier vert pâle (serif), le produit en fenêtres CRT
   phosphore (mono). Thème sombre via prefers-color-scheme.
   ============================================================ */
:root {
  --paper: #f7f9f5;
  --ink: #182119;
  --muted: #5c6b5f;
  --line: #d9e2d7;
  --accent: #1c7c3f;
  --accent-soft: #e6f2e7;
  --card: #ffffff;
  /* constantes CRT, invariantes selon le thème (c'est le produit) */
  --crt-bg: #0a0f0a;
  --crt-text: #99e6a8;
  --crt-bright: #33ff66;
  --crt-dim: #4d7a58;
  --crt-border: #1d3322;
  --mono: "SFMono-Regular", ui-monospace, "Cascadia Mono", "DejaVu Sans Mono", Menlo, Consolas, monospace;
  --serif: "Charter", "Bitstream Charter", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0c110d;
    --ink: #dae6dc;
    --muted: #8ba18f;
    --line: #223324;
    --accent: #3fe673;
    --accent-soft: #12281a;
    --card: #101812;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
}
a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section + .section { border-top: 1px solid var(--line); }

/* ---------- typographie ---------- */
h1, h2, h3 { font-family: var(--mono); letter-spacing: -0.01em; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(30px, 4.4vw, 46px); line-height: 1.15; font-weight: 700; }
h2 { font-size: clamp(23px, 2.8vw, 30px); line-height: 1.25; font-weight: 700; }
h3 { font-size: 17px; font-weight: 700; }
p { margin: 0; max-width: 62ch; }
.eyebrow {
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--accent);
  margin-bottom: 14px;
}
.lead { font-size: 19px; color: var(--muted); }
.section-head { margin-bottom: 40px; display: flex; flex-direction: column; gap: 14px; }

/* ---------- header ---------- */
.topnav {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
}
.topnav .wrap { display: flex; align-items: center; gap: 28px; height: 60px; }
.wordmark { font-family: var(--mono); font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; }
.wordmark .cursor { display: inline-block; width: 0.55em; height: 1.05em; background: var(--accent); vertical-align: text-bottom; margin-left: 2px; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .wordmark .cursor { animation: none; } }
.topnav nav { display: flex; gap: 22px; margin-left: auto; }
.topnav nav a { font-family: var(--mono); font-size: 13.5px; text-decoration: none; color: var(--muted); }
.topnav nav a:hover { color: var(--ink); }
.btn {
  font-family: var(--mono); font-size: 14px; font-weight: 600;
  display: inline-block; padding: 10px 18px; border-radius: 4px;
  text-decoration: none; border: 1px solid var(--accent);
  cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--paper); }
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost { color: var(--accent); background: transparent; }
.btn-ghost:hover { background: var(--accent-soft); }
.topnav .btn { padding: 7px 14px; font-size: 13px; }
@media (max-width: 760px) { .topnav nav { display: none; } }

/* ---------- hero ---------- */
.hero { padding: 84px 0 76px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
@media (max-width: 920px) { .hero .wrap { grid-template-columns: 1fr; } }
.hero-copy { display: flex; flex-direction: column; gap: 22px; }
.hero-copy h1 em { font-style: normal; color: var(--accent); }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 6px; }
.trust-strip {
  display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 10px;
  font-family: var(--mono); font-size: 12.5px; color: var(--muted);
}
.trust-strip span::before { content: "✓ "; color: var(--accent); }

/* ---------- fenêtre terminal (le produit) ---------- */
.term {
  background: var(--crt-bg); border: 1px solid var(--crt-border);
  border-radius: 6px; overflow: hidden;
  box-shadow: 0 18px 50px -18px rgba(10, 30, 15, 0.55);
  font-family: var(--mono); font-size: 13.5px; line-height: 1.6;
}
.term-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 12px; border-bottom: 1px solid var(--crt-border); color: var(--crt-dim);
  font-size: 12px;
}
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; opacity: 0.85; }
.dot.r { background: #e0604f; } .dot.y { background: #d9b13b; } .dot.g { background: #4fae5f; }
.term-title { margin-left: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.term-badge {
  margin-left: auto; flex-shrink: 0; border: 1px solid var(--crt-border); border-radius: 3px;
  padding: 1px 7px; font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase;
}
.term-body { padding: 16px 16px 12px; min-height: 285px; color: var(--crt-text); }
.term-body .l { white-space: pre-wrap; word-break: break-word; min-height: 1.6em; }
.term-body .u { color: var(--crt-bright); text-shadow: 0 0 7px rgba(51, 255, 102, 0.35); }
.term-body .d { color: var(--crt-dim); }
.term-body .ok { color: var(--crt-bright); }
.term-caret { display: inline-block; width: 0.55em; height: 1.1em; background: var(--crt-bright); vertical-align: text-bottom; animation: blink 1s steps(1) infinite; }
@media (prefers-reduced-motion: reduce) { .term-caret { animation: none; } }
.term-status {
  display: flex; gap: 8px; padding: 6px 12px;
  border-top: 1px solid var(--crt-border); color: var(--crt-dim); font-size: 11.5px;
  white-space: nowrap; overflow: hidden;
}
.term-status b { color: var(--crt-bright); font-weight: 400; }

/* ---------- bénéfices / cartes ---------- */
.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px) { .cards3 { grid-template-columns: 1fr; } }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
  padding: 26px 24px; display: flex; flex-direction: column; gap: 12px;
}
.card h3 { color: var(--ink); }
.card p { font-size: 15.5px; color: var(--muted); }
.card .k { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; }

/* encart « pourquoi gammes » */
.aside-gamme {
  margin-top: 40px; border-left: 3px solid var(--accent); background: var(--accent-soft);
  border-radius: 0 6px 6px 0; padding: 22px 26px;
  display: flex; flex-direction: column; gap: 8px;
}
.aside-gamme .t { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--accent); }
.aside-gamme p { font-size: 16px; }

/* ---------- étapes ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.step { border: 1px solid var(--line); border-radius: 6px; padding: 24px; background: var(--card); display: flex; flex-direction: column; gap: 10px; }
.step::before {
  counter-increment: step; content: "étape 0" counter(step);
  font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase;
}
.step p { font-size: 15.5px; color: var(--muted); }
.step code {
  font-family: var(--mono); font-size: 12.5px; background: var(--accent-soft); color: var(--accent);
  border-radius: 3px; padding: 2px 6px; overflow-wrap: anywhere;
}

/* ---------- skills ---------- */
.skills-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 48px; align-items: start; }
@media (max-width: 920px) { .skills-grid { grid-template-columns: 1fr; } }
.skill-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font-family: var(--mono); font-size: 12.5px; color: var(--ink);
  border: 1px solid var(--line); background: var(--card); border-radius: 4px; padding: 6px 10px;
}
.chip b { color: var(--accent); font-weight: 600; }
.skills-copy { display: flex; flex-direction: column; gap: 16px; }
.skills-copy p { color: var(--muted); font-size: 16px; }

/* ---------- sécurité (registre) ---------- */
.sec-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 48px; align-items: start; }
@media (max-width: 920px) { .sec-grid { grid-template-columns: 1fr; } }
.ledger { border: 1px solid var(--line); border-radius: 6px; overflow: hidden; margin: 0; }
.ledger-row { display: grid; grid-template-columns: 210px 1fr; border-top: 1px solid var(--line); background: var(--card); }
.ledger-row:first-child { border-top: none; }
.ledger-row dt {
  font-family: var(--mono); font-size: 12.5px; font-weight: 600; color: var(--accent);
  padding: 14px 16px; margin: 0; border-right: 1px solid var(--line);
}
.ledger-row dd { padding: 14px 16px; margin: 0; font-size: 15px; color: var(--muted); }
@media (max-width: 560px) { .ledger-row { grid-template-columns: 1fr; } .ledger-row dt { border-right: none; padding-bottom: 0; } }

/* ---------- tarifs ---------- */
.price-note { font-family: var(--mono); font-size: 13px; color: var(--muted); margin-top: 18px; }
.card .price { font-family: var(--mono); font-size: 21px; font-weight: 700; color: var(--ink); }
.card ul { margin: 0; padding-left: 18px; font-size: 15px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }
.card .btn { margin-top: auto; text-align: center; }
.card.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; }
.faq details { border-top: 1px solid var(--line); padding: 18px 4px; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { font-family: var(--mono); font-size: 15px; font-weight: 600; cursor: pointer; }
.faq p { margin-top: 12px; color: var(--muted); font-size: 15.5px; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: start; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
form.demo-form { display: flex; flex-direction: column; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 26px; }
.demo-form label { font-family: var(--mono); font-size: 12.5px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }
.demo-form input, .demo-form select, .demo-form textarea {
  font-family: var(--serif); font-size: 15.5px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 10px 12px;
}
.demo-form textarea { resize: vertical; min-height: 90px; }
.demo-form .btn { border: 1px solid var(--accent); }
.form-note { font-size: 13px; color: var(--muted); }

/* ---------- pages intérieures (sécurité, légal) ---------- */
.page-hero { padding: 64px 0 8px; }
.page-hero .wrap { display: flex; flex-direction: column; gap: 14px; }
.prose { padding: 40px 0 72px; }
.prose .wrap { max-width: 820px; }
.prose h2 { font-size: 21px; margin: 42px 0 14px; }
.prose h3 { font-size: 16.5px; margin: 28px 0 10px; }
.prose p { margin: 0 0 14px; max-width: none; }
.prose ul, .prose ol { margin: 0 0 14px; padding-left: 22px; }
.prose li { margin-bottom: 6px; }
.prose li p { margin: 0; }
.prose table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 0 0 18px; }
.prose .table-scroll { overflow-x: auto; margin: 0 0 18px; }
.prose .table-scroll table { margin: 0; min-width: 640px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; vertical-align: top; }
.prose th { font-family: var(--mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); background: var(--card); }
.prose .updated { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.prose strong { color: var(--ink); }
.prose address { font-style: normal; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding: 36px 0 48px; }
footer .wrap { display: flex; flex-direction: column; gap: 14px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 22px; font-family: var(--mono); font-size: 12.5px; }
.foot-links a { color: var(--muted); text-decoration: none; }
.foot-links a:hover { color: var(--ink); }
.foot-legal { font-size: 12.5px; color: var(--muted); max-width: none; }