/* ============================================================
   KISS — feuille de styles
   ------------------------------------------------------------
   1. Variables & reset
   2. Layout (container, page, header, nav, burger)
   3. Hero & sections
   4. Composants (boutons, cartes, panel, steps, note, list)
   5. Formulaire & alertes
   6. Footer
   7. Utilitaires
   8. Accessibilité (skip-link, focus, prefers-reduced-motion)
   9. Responsive
   ============================================================ */

/* 1. Variables & reset ---------------------------------------- */
:root {
  --bg:      #020a18;
  --bg2:     #06182f;
  --panel:   rgba(8, 24, 48, .68);
  --panel2:  rgba(10, 32, 64, .52);
  --text:    #f8fbff;
  --muted:   #b9c7da;
  --soft:    #7f93ad;
  --blue:    #148cff;
  --cyan:    #28b9ff;
  --line:    rgba(78, 158, 255, .28);
  --green:   #39d695;
  --red:     #ff6b6b;
  --shadow:  0 24px 70px rgba(0, 0, 0, .35);
  --radius:  24px;
  --max:     1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--text);
  min-height: 100vh;
  background:
    radial-gradient(circle at 78% 22%, rgba(19, 113, 228, .25), transparent 33%),
    radial-gradient(circle at 12% 55%, rgba(12, 86, 170, .18), transparent 28%),
    linear-gradient(135deg, var(--bg), var(--bg2));
}

a   { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* 2. Layout --------------------------------------------------- */
.page      { min-height: 100vh; overflow: hidden; }
.container { width: min(var(--max), calc(100% - 72px)); margin-inline: auto; }

.site-header { position: relative; z-index: 10; padding: 26px 0 14px; }
.nav         { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.logo        { display: inline-flex; align-items: center; line-height: 1; }
.logo img    { display: block; height: 58px; width: auto;
               filter: brightness(0) invert(1); }  /* logo noir → blanc */

.menu          { display: flex; align-items: center; gap: 32px; font-size: 15px; color: rgba(255, 255, 255, .82); }
.menu a        { position: relative; padding: 12px 0; }
.menu a.active,
.menu a:hover  { color: #fff; }
.menu a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 3px;
  height: 2px; border-radius: 10px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  box-shadow: 0 0 18px rgba(20, 140, 255, .75);
}

.burger {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
  color: #fff;
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
}

/* 3. Hero & sections ----------------------------------------- */
.hero       { padding: 56px 0 64px; }
.hero-head  { margin-bottom: 36px; }
.hero-grid  { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }

.eyebrow {
  display: inline-block;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

/* H1 hero : prend toute la largeur du container pour un titre impactant */
.hero h1 {
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1.1;
  margin: 0;
  font-weight: 900;
  letter-spacing: -.035em;
  text-wrap: balance;          /* équilibre les lignes si le titre wrappe */
  hyphens: auto;
}

.lead {
  font-size: clamp(16px, 1.15vw, 19px);
  line-height: 1.6;
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 28px;
}

.section { padding: 56px 0; border-top: 1px solid rgba(78, 158, 255, .12); }
.section h2 {
  font-size: clamp(26px, 2.4vw, 38px);
  line-height: 1.15;
  margin: 0 0 14px;
  letter-spacing: -.025em;
}
.section-intro { max-width: 780px; color: var(--muted); font-size: 17px; line-height: 1.6; margin: 0 0 28px; }

.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: start; }

/* 4. Composants ---------------------------------------------- */
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px;
  border-radius: 10px;
  padding: 13px 22px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, #0c7cff, #16a9ff);
  box-shadow: 0 18px 42px rgba(20, 140, 255, .22);
  color: #fff;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 52px rgba(20, 140, 255, .35); }

.btn-secondary {
  color: var(--cyan);
  border-bottom: 1px solid rgba(40, 185, 255, .55);
  border-radius: 0;
  padding: 12px 0;
}

.hero-visual { position: relative; display: flex; justify-content: center; }
.mock-image  { border-radius: 22px; filter: drop-shadow(0 24px 60px rgba(0, 0, 0, .38)); width: 100%; max-width: 440px; height: auto; }

/* Vignettes "live" en remplacement d'une image hero */
.hero-vignettes {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: 440px;
}

.vignette {
  position: relative;
  padding: 16px 18px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(8, 24, 48, .9), rgba(6, 18, 36, .7));
  backdrop-filter: blur(6px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .35);
  animation: vignetteFloat 8s ease-in-out infinite;
}
.vignette-supervision { margin-right: 40px; }
.vignette-security    { margin-left:  44px; animation-delay: -2.7s; }
.vignette-ticket      { margin-right: 64px; animation-delay: -5.4s; }

@keyframes vignetteFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

.vignette-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--muted);
}
.vignette-title { font-weight: 700; color: #fff; flex: 1; }
.vignette-time  { font-size: 11px; color: var(--soft); }

.vignette-icon {
  width: 24px; height: 24px;
  border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--cyan);
  background: rgba(40, 185, 255, .15);
}
.vignette-icon-green { color: var(--green); background: rgba(57, 214, 149, .14); }
.vignette-icon svg   { width: 14px; height: 14px; }

/* Point d'état qui pulse (live) */
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
  animation: statusPulse 2s ease-in-out infinite;
}
@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(57, 214, 149, .6); }
  50%      { box-shadow: 0 0 0 7px rgba(57, 214, 149, 0); }
}

/* Lignes "stat" dans la vignette supervision */
.vignette-stats {
  list-style: none;
  padding: 0; margin: 0;
  display: grid; gap: 8px;
  font-size: 13.5px;
}
.vignette-stats li {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--muted);
}
.vignette-stats strong { color: #fff; font-weight: 700; font-size: 14px; }
.vignette-stats strong.is-ok { color: var(--green); }

/* Sparkline / mini barchart */
.vignette-spark {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  align-items: end;
  gap: 4px;
  height: 36px;
  margin-top: 12px;
  padding-top: 4px;
  border-top: 1px solid rgba(78, 158, 255, .12);
}
.vignette-spark span {
  height: var(--h, 50%);
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  opacity: .75;
}

/* Lignes texte pour vignettes sécurité / ticket */
.vignette-line {
  font-size: 15px;
  color: #fff;
  margin-bottom: 4px;
}
.vignette-line .is-ok { color: var(--green); }
.vignette-sub {
  font-size: 12.5px;
  color: var(--soft);
  line-height: 1.45;
}

.cards     { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 42px; }
.cards-3   { grid-template-columns: repeat(3, 1fr); }
.card      { padding: 26px; border: 1px solid var(--line); border-radius: 16px;
             background: linear-gradient(180deg, var(--panel), rgba(6, 18, 36, .34));
             box-shadow: 0 12px 35px rgba(0, 0, 0, .16); }
.card-icon { font-size: 34px; color: var(--cyan); margin-bottom: 18px; line-height: 0; }
.card-icon svg { width: 32px; height: 32px; }
.card h3   { margin: 0 0 10px; font-size: 20px; }
.card p    { margin: 0; color: var(--muted); line-height: 1.55; }

.panel { border: 1px solid var(--line); background: var(--panel2); border-radius: 22px; padding: 34px; }

.list      { display: grid; gap: 18px; margin: 0; padding: 0; list-style: none; }
.list li   { display: grid; grid-template-columns: 32px 1fr; gap: 14px; color: var(--muted); line-height: 1.5; }
.check {
  width: 24px; height: 24px; border-radius: 50%;
  background: rgba(57, 214, 149, .13);
  color: var(--green);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 900;
}

.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 34px; }
.step  { padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255, 255, 255, .035); }
.num {
  width: 42px; height: 42px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--blue); color: #fff;
  box-shadow: 0 0 20px rgba(20, 140, 255, .35);
  margin-bottom: 14px;
}

.note {
  margin-top: 28px;
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: 14px;
  background: rgba(7, 23, 45, .65);
  color: var(--muted);
  line-height: 1.55;
}

/* 5. Formulaire & alertes ------------------------------------ */
.form         { display: grid; gap: 16px; margin-top: 26px; }
.form .field  { display: grid; gap: 6px; }
.form label   { font-size: 14px; color: var(--muted); font-weight: 600; }
.form input,
.form textarea {
  width: 100%;
  padding: 16px 18px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
  color: #fff;
  font: inherit;
}
.form input:focus,
.form textarea:focus {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-color: var(--cyan);
}
.form textarea { min-height: 150px; resize: vertical; }

/* Honeypot : invisible aux humains */
.hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }

.alert {
  padding: 14px 18px;
  border-radius: 12px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  line-height: 1.5;
}
.alert-success { background: rgba(57, 214, 149, .12);  border-color: rgba(57, 214, 149, .35); color: #b6f0d4; }
.alert-error   { background: rgba(255, 107, 107, .12); border-color: rgba(255, 107, 107, .35); color: #ffc9c9; }

.small { font-size: 14px; color: var(--soft); }

/* 6. Footer -------------------------------------------------- */
.site-footer { padding: 60px 0 28px; color: var(--muted); border-top: 1px solid rgba(78, 158, 255, .15); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  align-items: start;
}
.footer-col h4         { color: #fff; font-size: 15px; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 14px; }
.footer-col ul         { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-col a:hover    { color: var(--cyan); }
.footer-col p          { margin: 0; color: var(--soft); line-height: 1.55; }
.footer-brand          { font-size: 24px; font-weight: 900; letter-spacing: .06em; color: #fff; display: inline-block; margin-bottom: 12px; }

.footer-bottom {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid rgba(78, 158, 255, .12);
  color: var(--soft);
  font-size: 14px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}

/* 7. Utilitaires --------------------------------------------- */
.mt-md       { margin-top: 28px; }
.mt-lg       { margin-top: 32px; }
.contact-card { max-width: 880px; }

/* 8. Accessibilité ------------------------------------------- */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--blue); color: #fff;
  padding: 12px 18px; border-radius: 0 0 12px 0;
  z-index: 100;
  font-weight: 700;
}
.skip-link:focus { left: 0; outline: 2px solid var(--cyan); outline-offset: 2px; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 10. Workflow méthode --------------------------------------- */
.workflow {
  list-style: none;
  padding: 0;
  margin: 48px 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}

/* Ligne de progression horizontale qui traverse les icônes */
.workflow::before {
  content: "";
  position: absolute;
  top: 60px;                           /* aligné au centre des icônes (24 pad + 72/2 = 60) */
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  opacity: .35;
  z-index: 0;
}

.workflow-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 24px 18px 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, var(--panel), rgba(6, 18, 36, .34));
  box-shadow: 0 12px 35px rgba(0, 0, 0, .16);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.workflow-step:hover {
  transform: translateY(-4px);
  border-color: rgba(40, 185, 255, .55);
  box-shadow: 0 18px 50px rgba(20, 140, 255, .2);
}

/* Pastille d'icône circulaire */
.workflow-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan);
  background: linear-gradient(135deg, rgba(12, 124, 255, .28), rgba(40, 185, 255, .12));
  border: 1px solid rgba(40, 185, 255, .45);
  box-shadow: 0 0 24px rgba(20, 140, 255, .35), inset 0 0 12px rgba(40, 185, 255, .12);
}
.workflow-icon svg { width: 32px; height: 32px; }

/* Numéro de l'étape en badge */
.workflow-num {
  position: absolute;
  top: 14px; right: 14px;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0c7cff, #16a9ff);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px;
  box-shadow: 0 6px 16px rgba(20, 140, 255, .45);
}

.workflow-step h3 { margin: 0 0 8px; font-size: 18px; }
.workflow-step p  { margin: 0; color: var(--muted); line-height: 1.5; font-size: 14px; }

/* Chevron entre chaque étape (sauf la dernière) */
.workflow-step:not(:last-child)::after {
  content: "›";
  position: absolute;
  right: -22px; top: 60px;
  transform: translateY(-50%);
  color: var(--cyan);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  z-index: 2;
  text-shadow: 0 0 12px rgba(40, 185, 255, .55);
}

/* Bandeau "Cycle d'amélioration continue" qui englobe les 4 étapes */
.workflow-loop-banner {
  margin-top: 28px;
  padding: 24px 28px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  align-items: center;
  border: 1px solid rgba(57, 214, 149, .35);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(57, 214, 149, .08), rgba(6, 18, 36, .34));
  box-shadow: 0 12px 35px rgba(0, 0, 0, .16);
}
.workflow-loop-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--green);
  background: linear-gradient(135deg, rgba(57, 214, 149, .28), rgba(57, 214, 149, .08));
  border: 1px solid rgba(57, 214, 149, .45);
  box-shadow: 0 0 22px rgba(57, 214, 149, .3);
  flex-shrink: 0;
}
.workflow-loop-icon svg { width: 28px; height: 28px; }
.workflow-loop-banner h3 { margin: 0 0 6px; font-size: 18px; color: #fff; }
.workflow-loop-banner p  { margin: 0; color: var(--muted); line-height: 1.6; font-size: 15px; }

/* FAQ (details/summary) */
.faq { display: grid; gap: 12px; margin-top: 8px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--panel), rgba(6, 18, 36, .34));
  overflow: hidden;
  transition: border-color .2s ease;
}
.faq details[open] { border-color: rgba(40, 185, 255, .45); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  color: var(--cyan);
  font-weight: 800;
  font-size: 22px;
  line-height: 1;
  flex-shrink: 0;
  transition: transform .2s ease;
}
.faq details[open] summary::after { content: "−"; }
.faq-body {
  padding: 0 22px 20px;
  color: var(--muted);
  line-height: 1.65;
}
.faq-body p { margin: 0; }

/* Stat band — bande de chiffres clés / engagements */
.stat-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, var(--panel), rgba(6, 18, 36, .34));
  box-shadow: 0 12px 35px rgba(0, 0, 0, .16);
}
.stat            { text-align: center; padding: 6px 8px; border-right: 1px solid rgba(78, 158, 255, .12); }
.stat:last-child { border-right: none; }
.stat-value      { font-size: clamp(24px, 2.4vw, 34px); font-weight: 900; line-height: 1.1; letter-spacing: -.02em;
                   background: linear-gradient(90deg, var(--blue), var(--cyan));
                   -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label      { margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.45; }

/* Grille technologies maîtrisées */
.stack-grid      { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 42px; }
.stack-card      { padding: 22px 24px; border: 1px solid var(--line); border-radius: 16px;
                   background: linear-gradient(180deg, var(--panel), rgba(6, 18, 36, .34));
                   box-shadow: 0 12px 35px rgba(0, 0, 0, .14);
                   transition: border-color .2s ease, transform .2s ease; }
.stack-card:hover { transform: translateY(-3px); border-color: rgba(40, 185, 255, .55); }
.stack-name      { display: inline-block; font-weight: 800; font-size: 16px;
                   padding: 5px 12px; border-radius: 999px;
                   color: var(--cyan); background: rgba(40, 185, 255, .12);
                   border: 1px solid rgba(40, 185, 255, .35);
                   margin-bottom: 14px; letter-spacing: .01em; }
.stack-card p    { margin: 0; color: var(--muted); line-height: 1.55; font-size: 14.5px; }

/* Workflow à 3 colonnes */
.workflow-3 { grid-template-columns: repeat(3, 1fr); }

/* Tampons de conformité (ISO 27001 / NIS2) */
.trust-strip {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 36px;
  align-items: center;
  padding: 28px 32px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(12, 124, 255, .08), rgba(57, 214, 149, .05));
}
.trust-seals {
  display: flex;
  gap: 18px;
  align-items: center;
}
.seal {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, .25));
}
.seal-iso  { color: var(--cyan); }
.seal-nis2 { color: var(--green); }

.trust-text h2 { margin: 0 0 10px; font-size: clamp(22px, 1.9vw, 30px); }
.trust-text p  { margin: 0 0 8px; color: var(--muted); line-height: 1.6; font-size: 16px; }
.trust-text .small { font-style: italic; }
.ksecure-board { padding: 22px; }
.ksecure-head {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}
.ksecure-title { font-weight: 700; color: #fff; flex: 1; }
.ksecure-time  { font-size: 11px; color: var(--soft); }

.ksecure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.ksecure-tile {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(8, 24, 48, .7);
}
.ksecure-tile-label {
  font-size: 11px;
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: .06em;
  line-height: 1.3;
}
.ksecure-tile-value {
  margin-top: 8px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}
.ksecure-tile-value span { color: var(--soft); font-weight: 600; font-size: 14px; }
.ksecure-tile-value.is-ok   { color: var(--green); }
.ksecure-tile-value.is-warn { color: #f0b132; }

/* CTA band en bas de page */
.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 32px 36px;
  border: 1px solid rgba(40, 185, 255, .35);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(12, 124, 255, .18), rgba(40, 185, 255, .06));
  box-shadow: 0 18px 50px rgba(20, 140, 255, .18);
}
.cta-band h2 { margin: 0 0 6px; }
.cta-band-lead { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.55; }

/* 9. Responsive ---------------------------------------------- */
@media (max-width: 980px) {
  .container       { width: min(100% - 36px, var(--max)); }
  .logo img        { height: 46px; }
  .mock-image      { max-width: 380px; }
  .hero-head       { margin-bottom: 28px; }

  .menu {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(2, 10, 24, .98);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 16px 36px;
  }
  .menu.open       { display: flex; }
  .menu a          { padding: 14px 0; border-bottom: 1px solid rgba(78, 158, 255, .12); }
  .menu a:last-child { border-bottom: none; }

  .burger          { display: block; }
  .hero            { padding: 54px 0; }
  .hero-grid,
  .split           { grid-template-columns: 1fr; gap: 42px; }
  .cards           { grid-template-columns: repeat(2, 1fr); }
  .steps           { grid-template-columns: 1fr 1fr; }
  .footer-grid     { grid-template-columns: 1fr 1fr; }

  /* Workflow : passe en timeline verticale */
  .workflow                     { grid-template-columns: 1fr; gap: 18px; padding-left: 8px; }
  .workflow::before             { top: 24px; bottom: 24px; left: 44px; right: auto; width: 2px; height: auto; }
  .workflow-step                { text-align: left; padding: 20px 22px 20px 112px; }
  .workflow-icon                { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); margin: 0; width: 60px; height: 60px; }
  .workflow-icon svg            { width: 28px; height: 28px; }
  .workflow-num                 { top: 14px; right: 14px; }
  .workflow-step:not(:last-child)::after {
    content: "⌄"; right: auto; left: 48px; top: auto; bottom: -16px; transform: translateX(-50%); font-size: 26px;
  }

  .workflow-loop-banner         { grid-template-columns: 1fr; text-align: left; gap: 16px; padding: 22px; }
  .cta-band                     { grid-template-columns: 1fr; padding: 26px; text-align: left; }

  /* Stat band et stack-grid responsive */
  .stat-band                    { grid-template-columns: repeat(2, 1fr); gap: 22px 18px; padding: 22px; }
  .stat                         { border-right: none; }
  .stat:nth-child(odd)          { border-right: 1px solid rgba(78, 158, 255, .12); }
  .stack-grid,
  .cards-3                      { grid-template-columns: repeat(2, 1fr); }
  .workflow-3                   { grid-template-columns: 1fr; }

  /* Vignettes hero : retire les décalages, recentre */
  .hero-vignettes               { max-width: 380px; }
  .vignette-supervision,
  .vignette-security,
  .vignette-ticket              { margin-left: 0; margin-right: 0; }

  /* KSecure board : 2 colonnes sur tablette */
  .ksecure-grid                 { grid-template-columns: repeat(2, 1fr); }

  /* Trust strip : passe en colonne sur tablette */
  .trust-strip                  { grid-template-columns: 1fr; gap: 24px; padding: 24px; text-align: left; }
  .trust-seals                  { justify-content: flex-start; }
}

@media (max-width: 620px) {
  .cards,
  .steps,
  .footer-grid       { grid-template-columns: 1fr; }
  .actions           { align-items: stretch; }
  .btn               { width: 100%; }
  .hero h1           { font-size: 30px; }
  .lead              { font-size: 16px; }
  .site-header       { padding-top: 20px; }
  .mock-image        { max-width: 320px; }

  .workflow-step     { padding: 18px 18px 18px 96px; }
  .workflow-icon     { left: 14px; width: 52px; height: 52px; font-size: 22px; }
  .workflow::before  { left: 40px; }
  .workflow-step:not(:last-child)::after { left: 44px; }

  .stat-band         { grid-template-columns: 1fr; gap: 16px; }
  .stat              { border-right: none !important; padding: 12px 0; border-bottom: 1px solid rgba(78, 158, 255, .12); }
  .stat:last-child   { border-bottom: none; }
  .stack-grid,
  .cards-3           { grid-template-columns: 1fr; }
  .ksecure-grid      { grid-template-columns: 1fr; }

  /* Trust strip : tampons réduits et centrés sur petit écran */
  .seal              { width: 96px; height: 96px; }
  .trust-seals       { gap: 14px; }
}

/* 11. Home — Bandeau de preuves & section KSecure ------------- */
.proof-strip {
  border-top: 1px solid rgba(78, 158, 255, .12);
  border-bottom: 1px solid rgba(78, 158, 255, .12);
  background: rgba(8, 24, 48, .35);
  padding: 14px 0;
  font-size: 14px;
  color: var(--muted);
}
.proof-list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0 28px;
  row-gap: 6px;
}
.proof-list li {
  position: relative;
  padding: 4px 0;
  white-space: nowrap;
}
.proof-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 14px;
  background: rgba(78, 158, 255, .35);
}

.ksecure-section { padding-top: 56px; }
.ksecure-split {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 56px;
  align-items: center;
}
.ksecure-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

/* Footer enrichi */
.footer-address  { margin: 14px 0 0; color: var(--soft); line-height: 1.55; font-size: 14px; }
.footer-partners { margin: 10px 0 0; color: var(--soft); line-height: 1.55; font-size: 14px; }

@media (max-width: 980px) {
  .ksecure-split   { grid-template-columns: 1fr; gap: 36px; }
  .proof-list      {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  .proof-list li::after { display: none; }
}