/* === STYLE PARTAGÉ — Version Professionnelle ia-workflow.fr === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
ul, ol, li { list-style: none; padding: 0; }

:root {
  --navy:        #1e3a5f;
  --navy-dark:   #142a47;
  --navy-light:  #e8f0f9;
  --gold:        #22c55e;
  --gold-light:  #f0fdf4;
  --gold-dark:   #16a34a;
  --text:        #0f172a;
  --text-mid:    #374151;
  --text-muted:  #6b7280;
  --bg:          #ffffff;
  --bg-alt:      #f8fafc;
  --bg-dark:     #0f172a;
  --border:      #e2e8f0;
  --border-dark: #cbd5e1;
  --success:     #16a34a;
  --success-bg:  #f0fdf4;
  --danger:      #dc2626;
  --danger-bg:   #fef2f2;
  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --radius:    14px;
  --radius-sm:  9px;
  --radius-lg:  22px;
  --shadow-sm: 0 1px 2px rgba(16,32,55,.06), 0 1px 3px rgba(16,32,55,.05);
  --shadow:    0 8px 24px -10px rgba(16,32,55,.14);
  --shadow-lg: 0 26px 56px -22px rgba(16,32,55,.24);
  --max-w: 1160px;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; font-size: 16px; }
img  { display: block; max-width: 100%; height: auto; }
a    { color: inherit; text-decoration: none; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; }
.section    { padding: 92px 0; }
.section--alt  { background: var(--bg-alt); }
.section--navy { background: var(--navy); color: #fff; }
.section--dark { background: var(--bg-dark); color: #fff; }

h1 { font-family: var(--font-display); font-size: clamp(2.15rem, 4.8vw, 3.4rem); font-weight: 600; line-height: 1.07; letter-spacing: -.035em; }
h2 { font-family: var(--font-display); font-size: clamp(1.55rem, 2.9vw, 2.25rem); font-weight: 600; line-height: 1.16; letter-spacing: -.028em; }
h3 { font-family: var(--font-display); font-size: 1.12rem; font-weight: 600; line-height: 1.38; letter-spacing: -.012em; }
p  { line-height: 1.72; }

/* ── BUTTONS ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
       padding: 14px 28px; border-radius: var(--radius-sm); font-family: var(--font-display);
       font-size: .95rem; font-weight: 600; letter-spacing: -.005em; cursor: pointer; transition: all .18s cubic-bezier(.3,.7,.4,1);
       border: 1.5px solid transparent; text-align: center; }
.btn-primary { background: var(--gold); color: var(--bg-dark); border-color: var(--gold); box-shadow: 0 6px 18px -8px rgba(34,197,94,.55); }
.btn-primary:hover { background: var(--gold-dark); border-color: var(--gold-dark); transform: translateY(-2px); box-shadow: 0 12px 26px -10px rgba(34,197,94,.6); }
.btn-navy    { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-navy:hover { background: var(--navy-dark); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-ghost   { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-ghost:hover { background: var(--navy-light); }
.btn-white   { background: #fff; color: var(--navy); border-color: #fff; }
.btn-white:hover { background: var(--navy-light); }
.btn-lg  { padding: 16px 34px; font-size: 1.05rem; }
.btn-full{ width: 100%; }

/* ── BADGE ── */
.badge { display: inline-flex; align-items: center; gap: 6px;
         padding: 5px 13px; border-radius: 100px; font-size: .78rem; font-weight: 600; letter-spacing: .01em; }
.badge-navy  { background: var(--navy-light); color: var(--navy); }
.badge-gold  { background: var(--gold-light); color: var(--gold-dark); border: 1px solid #86efac; }
.badge-green { background: var(--success-bg); color: var(--success); }
.badge-red   { background: var(--danger-bg); color: var(--danger); }

/* ── NAV ── */
nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.96);
      backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 32px; }
.nav-logo  { font-size: 1.1rem; font-weight: 800; color: var(--navy); flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: .9rem; font-weight: 500; color: var(--text-mid); transition: color .15s; }
.nav-links a:hover { color: var(--navy); }
.nav-links a.active { color: var(--navy); font-weight: 600; }
.nav-cta   { padding: 10px 20px; font-size: .875rem; flex-shrink: 0; }

/* ── DROPDOWN GUIDES ── */
.nav-dropdown { position: relative; display: flex; align-items: center; }
.nav-dropdown-toggle { font-size: .9rem; font-weight: 500; color: var(--text-mid); cursor: pointer;
                       display: inline-flex; align-items: center; gap: 5px; transition: color .15s; user-select: none; }
.nav-dropdown:hover .nav-dropdown-toggle,
.nav-dropdown:focus-within .nav-dropdown-toggle { color: var(--navy); }
.nav-caret { font-size: .62rem; transition: transform .15s; }
.nav-dropdown:hover .nav-caret { transform: rotate(180deg); }
.nav-dropdown-menu { position: absolute; top: 100%; left: 50%;
                     transform: translateX(-50%) translateY(10px);
                     background: #fff; border: 1px solid var(--border); border-radius: 12px;
                     box-shadow: 0 14px 36px rgba(15,23,42,.14); padding: 8px; min-width: 252px;
                     display: flex; flex-direction: column; gap: 2px;
                     opacity: 0; visibility: hidden; transition: opacity .16s, transform .16s; z-index: 200; }
.nav-dropdown-menu::before { content: ''; position: absolute; top: -12px; left: 0; right: 0; height: 12px; }
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(6px); }
.nav-dropdown-menu a { padding: 10px 14px; border-radius: 8px; font-size: .875rem; font-weight: 500;
                       color: var(--text-mid); white-space: nowrap; transition: background .12s, color .12s; }
.nav-dropdown-menu a:hover { background: var(--bg-alt); color: var(--navy); }

/* ── SECTION INTRO ── */
.section-intro { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.section-intro .eyebrow { margin-bottom: 14px; }
.section-intro p { color: var(--text-muted); margin-top: 14px; font-size: 1.05rem; line-height: 1.7; }

/* ── EYEBROW (badge en sur-titre) ── */
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .72rem; font-weight: 600; }

/* ── DIVIDER ── */
.divider { width: 52px; height: 3px; background: linear-gradient(90deg, var(--gold), var(--gold-dark)); border-radius: 2px; margin: 18px auto 0; }

/* ── PAGE HERO (pages internes) ── */
.page-hero { padding: 64px 0 56px; background: var(--bg-alt); border-bottom: 1px solid var(--border); }
.page-hero .eyebrow { margin-bottom: 12px; }
.page-hero h1 { margin-bottom: 16px; }
.page-hero p  { font-size: 1.1rem; color: var(--text-muted); max-width: 600px; }

/* ── FOOTER ── */
footer { background: var(--bg-dark); color: #fff; padding: 48px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1.2fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand .footer-logo { font-size: 1.1rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: .875rem; color: rgba(255,255,255,.55); line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.4); margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: .875rem; color: rgba(255,255,255,.6); transition: color .15s; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; flex-wrap: wrap; gap: 12px; }
.footer-copy { font-size: .8rem; color: rgba(255,255,255,.35); }

/* ── GUARANTEE BAR ── */
.guarantee-bar { display: flex; align-items: flex-start; gap: 14px; background: var(--success-bg);
                 border: 1px solid #bbf7d0; border-radius: var(--radius); padding: 18px 24px; margin-top: 36px; }
.guarantee-bar p { font-size: .9rem; color: var(--success); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .container { padding: 0 20px; }
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; border-radius: 3px; }