/* Solutions pages — styles partagés (importé après brand.css) */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--ai-deep); color: var(--ai-photon); font-family: var(--ai-font-sans); overflow-x: hidden; }
a { color: inherit; text-decoration: none; }

/* NAV */
nav.site-nav { position: sticky; top: 0; z-index: 100; padding: 16px 40px; background: rgba(10,14,20,0.88); backdrop-filter: blur(20px); border-bottom: 1px solid var(--ai-graphite); display: flex; justify-content: space-between; align-items: center;}
nav.site-nav .ai-logo { font-size: 18px;} nav.site-nav .ai-logo .b{font-weight:200;} nav.site-nav .ai-logo .s{font-weight:700;} nav.site-nav .ai-logo .k{color:var(--ai-mute);font-weight:200;margin:0 3px;}
nav.site-nav .links { display: flex; gap: 28px; font-size: 13px; color: var(--ai-mute);}
nav.site-nav .links a:hover { color: var(--ai-photon); }
nav.site-nav .cta-mini { background: var(--ai-signal); color: #052213; padding: 9px 16px; border-radius: 4px; font-weight: 600; font-size: 13px;}
nav.site-nav .cta-mini:hover { box-shadow: 0 0 16px rgba(0,214,138,0.4);}

/* Breadcrumb */
.breadcrumb { padding: 16px 40px; border-bottom: 1px solid var(--ai-graphite); font-family: var(--ai-font-mono); font-size: 11px; color: var(--ai-mute); letter-spacing: 1px;}
.breadcrumb .container { max-width: 1100px; margin: 0 auto; }
.breadcrumb a { color: var(--ai-mute); transition: color .15s;}
.breadcrumb a:hover { color: var(--ai-signal); }
.breadcrumb .sep { margin: 0 10px; color: var(--ai-graphite); }
.breadcrumb .current { color: var(--ai-photon); }

/* HERO */
.sol-hero { padding: 80px 40px 50px; max-width: 1100px; margin: 0 auto;}
.sol-hero .tag { display: inline-flex; padding: 5px 12px; border: 1px solid var(--ai-signal); border-radius: 999px; font-family: var(--ai-font-mono); font-size: 10px; color: var(--ai-signal); letter-spacing: 2px;}
.sol-hero h1 { font-size: 64px; font-weight: 200; letter-spacing: -2.5px; line-height: 1.05; margin-top: 26px;}
.sol-hero h1 strong { font-weight: 800;}
.sol-hero h1 .accent { color: var(--ai-signal); font-weight: 700;}
.sol-hero .sub { font-size: 17px; color: var(--ai-mute); margin-top: 22px; max-width: 640px; line-height: 1.6;}
.sol-hero .cta-row { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap;}
.btn-primary { background: var(--ai-signal); color: #052213; padding: 14px 24px; border-radius: 4px; font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 8px; transition: box-shadow .2s;}
.btn-primary:hover { box-shadow: 0 0 20px rgba(0,214,138,0.4);}
.btn-ghost { color: var(--ai-photon); padding: 14px 22px; border: 1px solid var(--ai-graphite); border-radius: 4px; font-weight: 500; font-size: 14px;}

/* Sections */
section.sol { padding: 80px 40px; }
section.sol.alt { background: var(--ai-surface); }
section.sol .container { max-width: 1100px; margin: 0 auto; }
.sol-kicker { font-family: var(--ai-font-mono); font-size: 11px; color: var(--ai-signal); letter-spacing: 3px; text-transform: uppercase;}
.sol-h { font-size: 42px; font-weight: 200; letter-spacing: -1.5px; line-height: 1.1; margin-top: 14px;}
.sol-h strong { font-weight: 700; }
.sol-h .accent { color: var(--ai-signal); }
.sol-sub { color: var(--ai-mute); font-size: 15px; margin-top: 14px; max-width: 640px; line-height: 1.6;}
.sol-note { color: var(--ai-mute); font-size: 12px; margin-top: 10px; font-style: italic; max-width: 700px; line-height: 1.55;}

/* Pain stats */
.pain-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 40px;}
.pain-card { padding: 28px; background: var(--ai-surface); border: 1px solid var(--ai-graphite); border-radius: var(--ai-radius);}
.pain-num { font-size: 48px; font-weight: 200; color: var(--ai-signal); letter-spacing: -1.5px; line-height: 1;}
.pain-lbl { font-size: 13px; font-weight: 600; margin-top: 12px;}
.pain-src { font-size: 11px; color: var(--ai-mute); margin-top: 6px; font-style: italic;}

/* How it works (architecture) */
.arch-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-top: 40px; align-items: stretch;}
.arch-step { padding: 22px 18px; background: var(--ai-surface); border: 1px solid var(--ai-graphite); border-radius: var(--ai-radius); position: relative; text-align: center;}
.arch-step:not(:last-child)::after { content: '→'; position: absolute; top: 50%; right: -16px; transform: translateY(-50%); color: var(--ai-signal); font-size: 16px;}
.arch-icon { font-size: 28px;}
.arch-name { font-size: 13px; font-weight: 600; margin-top: 8px;}
.arch-desc { font-size: 11px; color: var(--ai-mute); margin-top: 4px; line-height: 1.4;}

/* Phases */
.phase-tl { margin-top: 40px; }
.phase-row { display: grid; grid-template-columns: 130px 1fr; gap: 30px; padding: 28px 0; border-top: 1px solid var(--ai-graphite);}
.phase-row:first-child { border-top: none; }
.phase-week { font-family: var(--ai-font-mono); font-size: 11px; color: var(--ai-signal); letter-spacing: 1.5px;}
.phase-name { font-size: 18px; font-weight: 700; margin-top: 4px;}
.phase-desc { font-size: 13px; color: var(--ai-photon); margin-top: 8px; line-height: 1.6;}
.phase-desc strong { color: var(--ai-signal); }

/* Pricing inline */
.pricing-card { background: var(--ai-surface); border: 1px solid var(--ai-signal); border-radius: var(--ai-radius); padding: 36px; margin-top: 40px; display: grid; grid-template-columns: 1fr 280px; gap: 40px; align-items: center;}
.pricing-card h3 { font-size: 28px; font-weight: 300; letter-spacing: -0.8px; line-height: 1.15;}
.pricing-card h3 strong { font-weight: 800; color: var(--ai-signal); }
.pricing-card .ptable { font-size: 13px; line-height: 1.7;}
.pricing-card .row { display: flex; justify-content: space-between; padding: 6px 0;}
.pricing-card .row strong { color: var(--ai-photon); }
.pricing-card .row.total { border-top: 1px solid var(--ai-graphite); margin-top: 6px; padding-top: 10px; font-weight: 700; color: var(--ai-signal); font-size: 16px;}
.pricing-card .net { font-size: 11px; color: var(--ai-mute); margin-top: 10px; font-style: italic; line-height: 1.5;}

/* FAQ */
.faq-list details { border-bottom: 1px solid var(--ai-graphite); padding: 20px 0;}
.faq-list summary { font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center;}
.faq-list summary::-webkit-details-marker { display: none;}
.faq-list summary::after { content: '+'; font-size: 22px; color: var(--ai-signal); font-weight: 300; transition: transform .2s;}
.faq-list details[open] summary::after { transform: rotate(45deg);}
.faq-list details p { font-size: 13px; color: var(--ai-mute); margin-top: 12px; line-height: 1.7;}
.faq-list details p strong { color: var(--ai-photon); }

/* CTA finale + footer */
.cta-final { text-align: center; padding: 100px 40px; background: var(--ai-surface);}
.cta-final h2 { font-size: 48px; font-weight: 200; letter-spacing: -1.5px;}
.cta-final h2 strong { font-weight: 800; color: var(--ai-signal); }
.cta-final p { color: var(--ai-mute); font-size: 15px; margin-top: 14px; max-width: 540px; margin-left: auto; margin-right: auto;}
.cta-final .cta-row { justify-content: center; margin-top: 30px; }

footer.site-footer { padding: 36px 40px; border-top: 1px solid var(--ai-graphite); font-size: 11px; color: var(--ai-mute); font-family: var(--ai-font-mono); letter-spacing: 1px; display: flex; justify-content: space-between; max-width: 1100px; margin: 0 auto;}

@media (max-width: 980px) {
  nav.site-nav { padding: 14px 20px;}
  nav.site-nav .links { display: none;}
  .sol-hero { padding: 50px 24px 30px;}
  .sol-hero h1 { font-size: 44px; letter-spacing: -2px;}
  section.sol { padding: 60px 24px;}
  .sol-h { font-size: 32px;}
  .pain-grid { grid-template-columns: 1fr; }
  .arch-flow { grid-template-columns: 1fr; }
  .arch-step:not(:last-child)::after { content: '↓'; right: 50%; top: auto; bottom: -14px; transform: translateX(50%);}
  .pricing-card { grid-template-columns: 1fr; padding: 24px; gap: 24px; }
  .phase-row { grid-template-columns: 1fr; gap: 8px; padding: 20px 0;}
  .cta-final { padding: 60px 24px;}
  .cta-final h2 { font-size: 32px;}
  footer.site-footer { flex-direction: column; gap: 8px; padding: 24px;}
}

/* ============ NAV avec DROPDOWNS — partagée toutes pages ============ */
.site-nav { position: sticky; top: 0; z-index: 100; padding: 14px 32px; background: rgba(10,14,20,0.92); backdrop-filter: blur(20px); border-bottom: 1px solid var(--ai-graphite); display: flex; justify-content: space-between; align-items: center;}
.site-nav .ai-logo { font-size: 18px; flex-shrink: 0; }
.site-nav .ai-logo .b{font-weight:200;} .site-nav .ai-logo .s{font-weight:700;} .site-nav .ai-logo .k{color:var(--ai-mute);font-weight:200;margin:0 3px;}
.site-nav .nav-links { display: flex; gap: 6px; align-items: center; }
.site-nav .nav-links > a, .site-nav .dropdown-toggle {
  padding: 8px 14px; border-radius: 4px; font-size: 13px; color: var(--ai-mute);
  text-decoration: none; transition: color .15s, background .15s;
  background: transparent; border: none; cursor: pointer;
  font-family: inherit; font-weight: 500; display: inline-flex; align-items: center; gap: 4px;
}
.site-nav .nav-links > a:hover, .site-nav .dropdown-toggle:hover { color: var(--ai-photon); background: rgba(255,255,255,0.04); }
.site-nav .nav-links > a.active, .site-nav .dropdown-toggle.active { color: var(--ai-signal); }
.site-nav .caret { font-size: 9px; color: var(--ai-mute); transition: transform .2s; margin-left: 2px;}
.site-nav .dropdown.open .caret, .site-nav .dropdown:hover .caret { transform: rotate(180deg); color: var(--ai-signal);}

/* Dropdowns */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 280px;
  background: var(--ai-surface); border: 1px solid var(--ai-graphite); border-radius: var(--ai-radius);
  padding: 6px; box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity .15s, transform .15s, visibility .15s;
}
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu, .dropdown.open .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-menu a {
  display: block; padding: 10px 14px; border-radius: 4px;
  color: var(--ai-photon); text-decoration: none;
  transition: background .15s;
}
.dropdown-menu a:hover { background: rgba(0,214,138,0.08); }
.dropdown-menu .dd-title { font-size: 13px; font-weight: 600; color: var(--ai-photon); }
.dropdown-menu .dd-desc { font-size: 11px; color: var(--ai-mute); margin-top: 2px; line-height: 1.4;}
.dropdown-menu a:hover .dd-title { color: var(--ai-signal); }

.site-nav .cta-mini {
  flex-shrink: 0;
  background: var(--ai-signal); color: #052213; padding: 10px 16px; border-radius: 4px;
  font-weight: 700; font-size: 13px; text-decoration: none; transition: box-shadow .15s;
}
.site-nav .cta-mini:hover { box-shadow: 0 0 16px rgba(0,214,138,0.4); }

.site-nav .burger {
  display: none; background: transparent; border: 1px solid var(--ai-graphite); color: var(--ai-photon);
  font-size: 18px; cursor: pointer; padding: 6px 12px; border-radius: 4px;
}

/* ============ FOOTER PARTAGÉ ============ */
.site-footer-full { padding: 50px 32px 24px; border-top: 1px solid var(--ai-graphite); background: var(--ai-deep);}
.site-footer-full .foot-inner {
  max-width: 1200px; margin: 0 auto; display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid var(--ai-graphite);
}
.site-footer-full .foot-brand .ai-logo { font-size: 18px; text-decoration: none; }
.site-footer-full .foot-brand .ai-logo .b{font-weight:200;} .site-footer-full .foot-brand .ai-logo .s{font-weight:700;} .site-footer-full .foot-brand .ai-logo .k{color:var(--ai-mute);font-weight:200;margin:0 3px;}
.site-footer-full .foot-brand p { font-size: 13px; color: var(--ai-mute); margin-top: 14px; line-height: 1.6; max-width: 340px; }
.site-footer-full .foot-col h5 { font-family: var(--ai-font-mono); font-size: 10px; color: var(--ai-mute); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 14px; }
.site-footer-full .foot-col a { display: block; font-size: 13px; color: var(--ai-photon); padding: 4px 0; text-decoration: none; transition: color .15s; }
.site-footer-full .foot-col a:hover { color: var(--ai-signal); }
.site-footer-full .foot-bottom { max-width: 1200px; margin: 24px auto 0; display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--ai-mute); font-family: var(--ai-font-mono); letter-spacing: 0.5px; }
.site-footer-full .foot-bottom a { color: var(--ai-mute); text-decoration: none; }
.site-footer-full .foot-bottom a:hover { color: var(--ai-signal); }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .site-nav { padding: 12px 20px; flex-wrap: wrap; }
  .site-nav .burger { display: inline-flex; }
  .site-nav .nav-links {
    display: none; width: 100%; order: 99; flex-direction: column; align-items: stretch;
    margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--ai-graphite); gap: 2px;
  }
  .site-nav.mobile-open .nav-links { display: flex; }
  .site-nav .nav-links > a, .site-nav .dropdown-toggle { width: 100%; justify-content: space-between; padding: 12px 14px; }
  .dropdown-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    margin-top: 4px; box-shadow: none; max-height: 0; overflow: hidden; padding: 0;
    transition: max-height .25s;
    background: rgba(255,255,255,0.02);
  }
  .dropdown.open .dropdown-menu { max-height: 500px; padding: 6px; }
  .site-footer-full .foot-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
  .site-footer-full .foot-brand { grid-column: 1 / -1; }
  .site-footer-full .foot-bottom { flex-direction: column; gap: 6px; text-align: center; }
}
@media (max-width: 600px) {
  .site-footer-full .foot-inner { grid-template-columns: 1fr; }
}