/* Pages internes CEM — layout premium partagé (404, pages locales, mentions légales, blog) */

:root {
  --cem-navy:  #0b1d3a;
  --cem-blue:  #04529e;
  --cem-ink:   #111828;
  --cem-muted: #4a5568;
  --cem-line:  #e3e7ef;
  --cem-bg:    #fff;
  --cem-bg-2:  #f4f6fb;
  --cem-ease:  cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: '__SF Pro Display_5', -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, system-ui, "Helvetica Neue", Arial, sans-serif;
  color: var(--cem-ink);
  background: var(--cem-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--cem-blue); text-decoration: none; transition: color .25s var(--cem-ease); }
a:hover { color: var(--cem-navy); }

/* ===== Skip to content ===== */
.skip-link {
  position: absolute; top: -40px; left: 8px;
  background: var(--cem-navy); color: #fff;
  padding: 8px 16px; border-radius: 6px;
  z-index: 10001; font-weight: 600;
  transition: top .25s var(--cem-ease);
}
.skip-link:focus { top: 8px; color: #fff; }

/* ===== Container ===== */
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ===== Nav (sombre, alignée sur l'identité de l'accueil) ===== */
.cem-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,29,58,.92);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.cem-nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px; gap: 20px;
}
.cem-logo { display: flex; align-items: center; gap: 12px; }
.cem-logo img { height: 46px; width: auto; }
.cem-logo span { color: #fff; font-size: 13px; font-weight: 500; opacity: .9; white-space: nowrap; letter-spacing: .01em; }

.cem-nav-links { display: flex; gap: 9px; align-items: center; }
.cem-nav-links > a, .cem-nav-dd-btn {
  padding: 9px 18px; border-radius: 999px;
  color: #fff; font-weight: 600; font-size: .95rem;
  border: 1px solid rgba(255,255,255,.5);
  background: rgba(255,255,255,.05);
  cursor: pointer; font-family: inherit;
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  transition: background .25s var(--cem-ease), border-color .25s var(--cem-ease), transform .25s var(--cem-ease);
}
.cem-nav-links > a:hover, .cem-nav-dd-btn:hover {
  background: rgba(255,255,255,.18); border-color: #fff; color: #fff; transform: translateY(-1px);
}

/* Onglet "Outils" avec menu déroulant */
.cem-nav-dd { position: relative; display: inline-flex; }
.cem-nav-dd-btn::after { content: "▾"; font-size: .8em; opacity: .85; }
.cem-nav-dd-menu {
  display: none; position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%);
  min-width: 248px; background: #0b1d3a; border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px; padding: 8px; box-shadow: 0 22px 50px rgba(8,21,38,.5); z-index: 200;
}
.cem-nav-dd-menu::before { content: ""; position: absolute; top: -14px; left: -20px; right: -20px; height: 14px; }
.cem-nav-dd:hover .cem-nav-dd-menu,
.cem-nav-dd:focus-within .cem-nav-dd-menu { display: block; }
.cem-nav-dd-menu a, .cem-nav-dd-menu .cem-nav-soon {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 11px 14px; border-radius: 9px; font-size: .92rem; color: #fff;
  text-decoration: none; white-space: nowrap; transition: background .2s;
}
.cem-nav-dd-menu a:hover { background: rgba(255,255,255,.12); color: #fff; }
.cem-nav-dd-menu .cem-nav-soon { color: rgba(255,255,255,.5); cursor: default; }
.cem-nav-dd-menu .cem-nav-soon em {
  font-style: normal; font-size: 10px; text-transform: uppercase; letter-spacing: .06em; font-weight: 700;
  color: #8fb9e0; background: rgba(143,185,224,.16); padding: 2px 7px; border-radius: 999px;
}

/* Réseaux dans la nav */
.cem-nav-socials { display: inline-flex; align-items: center; gap: 15px; margin-left: 10px; }
.cem-nav-socials a {
  display: inline-flex; align-items: center; justify-content: center; opacity: .9;
  transition: opacity .25s var(--cem-ease), transform .25s var(--cem-ease);
}
.cem-nav-socials a:hover { opacity: 1; transform: translateY(-2px); }
.cem-nav-socials img { width: 19px; height: 19px; display: block; }

/* ===== Hamburger + menu mobile (pages internes) ===== */
.cem-burger { display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; padding: 0; position: relative; }
.cem-burger span { position: absolute; left: 10px; right: 10px; height: 2px; background: #fff; border-radius: 2px; transition: transform .3s var(--cem-ease), opacity .2s; }
.cem-burger span:nth-child(1) { top: 15px; }
.cem-burger span:nth-child(2) { top: 21px; }
.cem-burger span:nth-child(3) { top: 27px; }
.cem-burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.cem-burger.open span:nth-child(2) { opacity: 0; }
.cem-burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.cem-mobile-menu {
  display: none; position: fixed; top: 62px; left: 0; right: 0; bottom: 0;
  background: #0b1d3a; padding: 14px 26px 36px; z-index: 99;
  flex-direction: column; gap: 0; overflow-y: auto;
  animation: cem-mm-in .3s var(--cem-ease);
}
.cem-mobile-menu.open { display: flex; }
@keyframes cem-mm-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.cem-mobile-menu a, .cem-mobile-menu .cem-mm-soon {
  color: #fff; font-size: 1.18rem; font-weight: 600; text-decoration: none;
  padding: 17px 4px; border-bottom: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: space-between;
}
.cem-mobile-menu a:hover { color: #fff; }
.cem-mobile-menu .cem-mm-soon { color: rgba(255,255,255,.45); }
.cem-mobile-menu .cem-mm-soon em {
  font-style: normal; font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 700;
  color: #8fb9e0; background: rgba(143,185,224,.16); padding: 3px 9px; border-radius: 999px;
}
.cem-mobile-menu .cem-mm-cta { color: #8fb9e0; }
.cem-mm-socials { display: flex; gap: 24px; margin-top: 26px; border: 0; padding: 0; }
.cem-mm-socials a { opacity: .9; padding: 0; border: 0; }
.cem-mm-socials img { width: 22px; height: 22px; display: block; }

@media (max-width: 980px) { .cem-nav-socials { display: none; } }
@media (max-width: 720px) {
  .cem-nav-links { display: none; }
  .cem-burger { display: block; }
  .cem-nav-inner { height: 62px; }
  .cem-logo img { height: 38px; }
  .cem-logo span { display: none; }
}

/* ===== Hero (sombre, immersif comme l'accueil) ===== */
.cem-hero {
  padding: 76px 0 64px;
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(47,125,196,.30), transparent 55%),
    linear-gradient(160deg, #0b1d3a 0%, #081526 100%);
  position: relative; overflow: hidden;
}
.cem-hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 20px 20px; pointer-events: none;
}
.cem-hero > .wrap { position: relative; z-index: 1; }
.cem-hero .eyebrow {
  display: inline-block;
  font-size: .8rem; text-transform: uppercase; letter-spacing: .14em;
  color: #8fb9e0; font-weight: 600;
  margin-bottom: 16px;
}
.cem-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.1; letter-spacing: -.02em;
  color: #fff; font-weight: 700;
}
.cem-hero p.lead {
  margin: 0;
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: rgba(255,255,255,.82);
  max-width: 720px;
}
.cem-hero .crumbs {
  font-size: .85rem; color: rgba(255,255,255,.6); margin-bottom: 20px;
}
.cem-hero .crumbs a { color: rgba(255,255,255,.6); }
.cem-hero .crumbs a:hover { color: #fff; }

/* ===== Content ===== */
.cem-content {
  padding: 72px 0 96px;
}
.cem-content h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem); letter-spacing: -.01em;
  color: var(--cem-navy); font-weight: 700;
  margin: 48px 0 18px;
}
.cem-content h3 {
  font-size: 1.15rem; color: var(--cem-navy); font-weight: 600;
  margin: 28px 0 10px;
}
.cem-content p, .cem-content li { font-size: 1rem; color: var(--cem-ink); }
.cem-content ul { padding-left: 22px; }
.cem-content li { margin-bottom: 8px; }
.cem-content strong { color: var(--cem-navy); }

.cem-content > .wrap > :first-child { margin-top: 0; }

/* Cards grid */
.cem-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin: 32px 0;
}
.cem-card {
  background: #fff; border: 1px solid var(--cem-line);
  border-radius: 16px; padding: 24px;
  transition: transform .4s var(--cem-ease), box-shadow .4s var(--cem-ease), border-color .3s;
}
.cem-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(11,29,58,.08);
  border-color: rgba(4,82,158,.3);
}
.cem-card h3 { margin-top: 0; }
.cem-card .tag {
  display: inline-block; font-size: .75rem; font-weight: 600;
  color: var(--cem-blue); text-transform: uppercase; letter-spacing: .08em;
  margin-bottom: 10px;
}
.cem-card .arrow { color: var(--cem-blue); font-weight: 600; margin-top: 12px; display: inline-block; }

/* Key-fact / "Le saviez-vous" */
.cem-fact {
  background: var(--cem-bg-2); border-left: 4px solid var(--cem-blue);
  padding: 20px 24px; border-radius: 8px; margin: 28px 0;
}
.cem-fact .label {
  font-size: .8rem; font-weight: 700; color: var(--cem-blue);
  text-transform: uppercase; letter-spacing: .12em;
  margin-bottom: 6px;
}

/* CTA banner */
.cem-cta {
  background: var(--cem-navy); color: #fff;
  border-radius: 20px; padding: 48px 40px;
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  margin: 56px 0 0;
}
.cem-cta h2 { color: #fff; margin: 0 0 6px; font-size: 1.6rem; }
.cem-cta p { margin: 0; opacity: .8; }
.cem-cta a {
  background: #fff; color: var(--cem-navy);
  padding: 14px 28px; border-radius: 999px;
  font-weight: 600; white-space: nowrap;
  transition: transform .25s var(--cem-ease), background .25s;
}
.cem-cta a:hover { background: var(--cem-blue); color: #fff; transform: translateY(-2px); }
@media (max-width: 720px) {
  .cem-cta { flex-direction: column; text-align: center; padding: 36px 24px; }
}

/* ===== Footer ===== */
.cem-foot {
  background: var(--cem-navy); color: #fff;
  padding: 56px 0 36px;
}
.cem-foot .wrap {
  display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px;
}
.cem-foot h4 { color: #fff; font-size: .95rem; margin: 0 0 12px; letter-spacing: .04em; }
.cem-foot p, .cem-foot a { color: rgba(255,255,255,.78); font-size: .9rem; }
.cem-foot a:hover { color: #fff; }
.cem-foot ul { list-style: none; padding: 0; margin: 0; }
.cem-foot li { margin-bottom: 8px; }
.cem-foot-socials { display: flex; gap: 18px; margin-top: 16px; }
.cem-foot-socials a {
  display: inline-flex; align-items: center; justify-content: center; opacity: .85;
  transition: opacity .25s var(--cem-ease), transform .25s var(--cem-ease);
}
.cem-foot-socials a:hover { opacity: 1; transform: translateY(-2px); }
.cem-foot-socials img { width: 20px; height: 20px; display: block; }
.cem-foot-legal {
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 40px; padding-top: 20px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: .82rem; color: rgba(255,255,255,.6);
}
.cem-foot-legal a { color: rgba(255,255,255,.6); }
.cem-foot-legal a:hover { color: #fff; }
@media (max-width: 720px) {
  .cem-foot .wrap { grid-template-columns: 1fr; }
}

/* Article (blog) */
article.cem-article .meta {
  font-size: .85rem; color: var(--cem-muted);
  display: flex; gap: 10px; align-items: center; margin-bottom: 20px;
}
article.cem-article .meta .tag {
  background: var(--cem-bg-2); color: var(--cem-blue);
  padding: 4px 12px; border-radius: 999px; font-weight: 600; font-size: .75rem;
}
article.cem-article p { margin: 0 0 18px; }
article.cem-article .wrap-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* FAQ accordéon (native details) */
.cem-faq { max-width: 840px; margin: 8px auto 0; }
.cem-faq details { border-bottom: 1px solid var(--cem-line); }
.cem-faq summary {
  cursor: pointer; padding: 20px 4px; font-weight: 600; font-size: 1.06rem; color: var(--cem-navy);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 18px;
}
.cem-faq summary::-webkit-details-marker { display: none; }
.cem-faq summary::after {
  content: "+"; flex: 0 0 auto; color: var(--cem-blue); font-size: 1.5rem; line-height: 1;
  transition: transform .3s var(--cem-ease);
}
.cem-faq details[open] summary::after { transform: rotate(45deg); }
.cem-faq details > p { margin: 0 4px 20px; color: var(--cem-muted); line-height: 1.65; }

/* Reveal anim — masquage uniquement si JS actif (.cem-js), sinon contenu visible (SEO + fail-safe) */
.cem-js .sr { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--cem-ease), transform .7s var(--cem-ease); }
.cem-js .sr.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .cem-js .sr { opacity:1; transform:none; transition:none; } }