/* ============================================================
   NEURO-QUANTUM.COM — style.css
   Charte graphique ACMÉ · Version 1.0 · Juillet 2026
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400;1,600&family=Jost:wght@300;400;500;600&display=swap');

:root {
  --or:            #B8972A;
  --or-deep:       #8B6914;
  --indigo:        #3C3489;
  --indigo-mid:    #534AB7;
  --indigo-dark:   #2A2466;
  --indigo-pale:   #EEEDFE;
  --indigo-border: #AFA9EC;
  --ink:           #1A1A1A;
  --muted:         #6B7280;
  --border:        #E5E7EB;
  --surface-1:     #FAFAFA;
  --surface-2:     #FFFFFF;
  --font-serif:    'Cormorant Garamond', Georgia, serif;
  --font-sans:     'Jost', system-ui, sans-serif;
  --nav-h:         64px;
  --radius:        8px;
  --radius-lg:     14px;
  --max-w:         1200px;
  --max-w-text:    720px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--ink); background: var(--surface-2); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
em { font-style: italic; }
strong { font-weight: 600; }

/* ── NAV ── */
.site-nav { position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); background: rgba(255,255,255,0.96); border-bottom: 1px solid var(--border); backdrop-filter: blur(12px); z-index: 100; display: flex; align-items: center; }
.nav-inner { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; display: flex; align-items: center; gap: 2rem; }
.nav-logo { font-size: 15px; font-weight: 500; letter-spacing: 0.03em; flex-shrink: 0; }
.nav-logo em { font-style: italic; color: var(--or); }
.nav-links { display: flex; align-items: center; gap: 0.25rem; list-style: none; margin-left: auto; }
.nav-links a { font-size: 13px; color: var(--muted); padding: 6px 10px; border-radius: var(--radius); transition: color 0.2s, background 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--indigo-mid); background: var(--indigo-pale); }
.nav-cta { font-size: 12px !important; font-weight: 500 !important; padding: 7px 16px !important; border: 1px solid var(--indigo); border-radius: var(--radius); color: var(--indigo) !important; white-space: nowrap; transition: background 0.2s, color 0.2s; }
.nav-cta:hover { background: var(--indigo) !important; color: #fff !important; }
.nav-burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-burger span { display: block; width: 22px; height: 1.5px; background: var(--ink); }
@media (max-width: 1024px) {
  .nav-burger { display: flex; }
  .nav-links { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); flex-direction: column; align-items: stretch; padding: 1rem; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 14px; font-size: 14px; }
  .nav-cta { display: none !important; }
}

/* ── HERO ── */
.hero { padding: calc(var(--nav-h) + 5rem) 2rem 5rem; max-width: var(--max-w); margin: 0 auto; }
.hero-eyebrow { font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--indigo-mid); margin-bottom: 1.25rem; }
.hero-h1 { font-family: var(--font-serif); font-style: italic; font-weight: 400; font-size: clamp(2.2rem, 4vw, 3.4rem); color: var(--or-deep); line-height: 1.2; }
.hero-or-bar { width: 40px; height: 2px; background: var(--or); border-radius: 1px; margin: 1.25rem 0; }
.hero-intro { font-size: clamp(1rem, 1.5vw, 1.125rem); line-height: 1.8; color: var(--muted); max-width: 600px; margin-bottom: 2rem; }
.hero-cta-group { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── TYPO ── */
.section-eyebrow { font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--indigo-mid); margin-bottom: 0.5rem; }
.section-title { font-family: var(--font-serif); font-style: italic; font-weight: 400; font-size: clamp(1.5rem, 2.5vw, 2rem); color: var(--or-deep); line-height: 1.25; margin-bottom: 0.4rem; }
.section-sub { font-size: 13px; color: var(--muted); margin-bottom: 1.75rem; }
.body-text { font-size: 14px; line-height: 1.85; color: var(--muted); margin-bottom: 1rem; }
/* TLEi — toujours en italique, jamais ® ni ™ */
em.tlei { font-style: italic; font-family: var(--font-serif); }

/* ── SECTIONS ── */
.section { padding: 5rem 2rem; }
.section-inner { max-width: var(--max-w); margin: 0 auto; }
.section--alt { background: var(--surface-1); }
.section--indigo { background: var(--indigo-pale); border-top: 1px solid var(--indigo-border); border-bottom: 1px solid var(--indigo-border); }

/* ── BOUTONS ── */
.btn { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-sans); font-size: 13px; font-weight: 500; padding: 10px 22px; border-radius: var(--radius); cursor: pointer; transition: all 0.2s; border: none; }
.btn--primary { background: var(--indigo); color: #fff; }
.btn--primary:hover { background: var(--indigo-dark); }
.btn--outline { background: transparent; color: var(--indigo); border: 1px solid var(--indigo); }
.btn--outline:hover { background: var(--indigo-pale); }
.btn--or { background: var(--or); color: #fff; }
.btn--or:hover { background: var(--or-deep); }

/* ── CARDS ── */
.card { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; transition: box-shadow 0.2s; }
.card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.07); }
.card--indigo { border-left: 3px solid var(--indigo-mid); border-radius: 0 var(--radius-lg) var(--radius-lg) 0; }
.card--or { border-top: 2px solid var(--or); }
.card-icon { font-size: 1.25rem; color: var(--indigo-mid); margin-bottom: 0.75rem; }
.card-title { font-size: 14px; font-weight: 500; margin-bottom: 0.4rem; }
.card-text { font-size: 12.5px; color: var(--muted); line-height: 1.65; }

/* ── GRILLES ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.75rem; }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ── DISARM ── */
.disarm-letter { font-family: var(--font-serif); font-style: italic; font-size: 1.6rem; color: var(--or-deep); margin-bottom: 0.4rem; }

/* ── DÉROULÉ ── */
.deroule-list { display: flex; flex-direction: column; }
.deroule-item { display: grid; grid-template-columns: 2.5rem 1fr; gap: 1.25rem; padding: 1.25rem 0; border-bottom: 1px solid var(--border); }
.deroule-item:last-child { border-bottom: none; }
.deroule-num { font-family: var(--font-serif); font-style: italic; font-size: 1.5rem; color: var(--or-deep); line-height: 1; }
.deroule-title { font-size: 14px; font-weight: 500; margin-bottom: 0.35rem; }
.deroule-text { font-size: 13px; color: var(--muted); line-height: 1.65; }
.deroule-tag { display: inline-block; font-size: 10px; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; padding: 2px 8px; border-radius: 20px; background: var(--indigo-pale); color: var(--indigo-dark); margin-left: 8px; vertical-align: middle; }

/* ── CITATION ── */
blockquote { font-family: var(--font-serif); font-style: italic; font-size: clamp(1.1rem, 1.8vw, 1.3rem); line-height: 1.65; color: var(--ink); border-left: 3px solid var(--or); padding: 1.25rem 1.5rem; background: var(--surface-1); border-radius: 0 var(--radius-lg) var(--radius-lg) 0; margin: 0; }

/* ── PYRAMIDE ── */
.pyramide-stade { display: grid; grid-template-columns: 180px 1fr; gap: 1rem; padding: 0.85rem 1rem; border-radius: var(--radius); margin-bottom: 0.4rem; align-items: center; }
.pyramide-stade-5 { background: var(--indigo-pale); }
.pyramide-stade-4 { background: #EDE9F7; }
.pyramide-stade-3 { background: #F0ECF5; }
.pyramide-stade-2 { background: #F4F2F8; }
.pyramide-stade-1 { background: var(--surface-1); border: 1px solid var(--border); }
.pyramide-label { font-size: 12px; font-weight: 500; color: var(--indigo); }
.pyramide-circuit { font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--indigo-mid); display: block; margin-top: 2px; }
.pyramide-text { font-size: 12px; color: var(--muted); line-height: 1.5; }

/* ── INFOBOX ── */
.infobox { display: flex; gap: 1rem; align-items: flex-start; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.1rem 1.25rem; }
.infobox-icon { font-size: 1.1rem; color: var(--muted); flex-shrink: 0; margin-top: 1px; }
.infobox p { font-size: 12.5px; color: var(--muted); line-height: 1.65; }

/* ── STATUT ── */
.statut-banner { padding: 1.25rem 2rem; background: var(--indigo-pale); border-top: 1px solid var(--indigo-border); border-bottom: 1px solid var(--indigo-border); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.statut-banner p { font-size: 13px; color: var(--indigo); line-height: 1.6; }
.statut-badge { font-size: 11px; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; padding: 4px 12px; border-radius: 20px; background: var(--surface-2); color: var(--indigo); border: 1px solid var(--indigo-mid); white-space: nowrap; }

/* ── FORMULAIRE ── */
.form-field { margin-bottom: 1rem; }
.form-label { display: block; font-size: 12px; font-weight: 500; color: var(--muted); margin-bottom: 5px; }
.form-input, .form-textarea, .form-select { width: 100%; padding: 9px 12px; font-family: var(--font-sans); font-size: 13.5px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-1); color: var(--ink); transition: border-color 0.2s; }
.form-input:focus, .form-textarea:focus, .form-select:focus { outline: none; border-color: var(--indigo); }
.form-textarea { resize: vertical; min-height: 110px; }
.form-anti { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 1.25rem; }
.form-anti input[type="checkbox"] { margin-top: 2px; flex-shrink: 0; }
.form-anti label { font-size: 12px; color: var(--muted); line-height: 1.5; }
.form-submit { width: 100%; padding: 12px; background: var(--indigo); color: #fff; font-family: var(--font-sans); font-size: 14px; font-weight: 500; border: none; border-radius: var(--radius); cursor: pointer; transition: background 0.2s; }
.form-submit:hover { background: var(--indigo-dark); }

/* ── BREADCRUMB ── */
.breadcrumb { padding: 0.75rem 2rem; font-size: 12px; color: var(--muted); border-bottom: 1px solid var(--border); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--indigo-mid); }
.breadcrumb .current { color: var(--indigo-mid); }
.breadcrumb .sep { margin: 0 6px; }

/* ── FOOTER ── */
.site-footer { border-top: 1px solid var(--border); background: var(--surface-1); padding: 3rem 2rem 2rem; }
.footer-inner { max-width: var(--max-w); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; }
.footer-brand-name { font-size: 15px; font-weight: 500; margin-bottom: 0.75rem; }
.footer-legal { font-size: 11.5px; color: var(--muted); line-height: 1.65; }
.footer-col-title { font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--indigo-mid); margin-bottom: 0.85rem; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }
.footer-links a { font-size: 13px; color: var(--muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--indigo-mid); }
.footer-bottom { max-width: var(--max-w); margin: 2rem auto 0; padding-top: 1.5rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-size: 11.5px; color: var(--muted); }
@media (max-width: 900px) { .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (max-width: 600px) { .footer-inner { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; gap: 0.5rem; } }

/* ── CTA STRIP ── */
.cta-strip { padding: 4rem 2rem; text-align: center; background: var(--indigo-pale); border-top: 1px solid var(--indigo-border); }
.cta-strip-title { font-family: var(--font-serif); font-style: italic; font-size: clamp(1.4rem, 2vw, 1.8rem); color: var(--or-deep); margin-bottom: 0.75rem; }
.cta-strip-text { font-size: 14px; color: var(--indigo); margin-bottom: 1.75rem; max-width: 520px; margin-left: auto; margin-right: auto; line-height: 1.7; }

/* ── STICKY MOBILE ── */
.sticky-cta-mobile { display: none; position: fixed; bottom: 0; left: 0; right: 0; padding: 1rem 1.5rem; background: #fff; border-top: 1px solid var(--border); z-index: 90; }
.sticky-cta-mobile .btn { width: 100%; justify-content: center; }
@media (max-width: 768px) { .sticky-cta-mobile { display: block; } }

/* ── ANIMATIONS ── */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
  [data-reveal].revealed { opacity: 1; transform: none; }
}

/* ── UTILITAIRES ── */
.or-text { color: var(--or-deep); }
.indigo-text { color: var(--indigo-mid); }
.muted-text { color: var(--muted); }
.serif { font-family: var(--font-serif); font-style: italic; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }