/* ============================================
   KAIZENIC — site one-pager
   ============================================ */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-50: #eff6ff;
  --secondary: #64748b;
  --success: #059669;
  --warning: #d97706;
  --ink: #1e293b;
  --ink-soft: #475569;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 10px;
  --maxw: 1120px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);
  --shadow-md: 0 10px 30px -12px rgba(15, 23, 42, .18);
  --shadow-lg: 0 24px 60px -20px rgba(37, 99, 235, .28);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
    Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
  padding: 15px 26px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn-sm { padding: 11px 20px; font-size: 15px; }
.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: var(--slate-200);
}
.btn-ghost:hover { border-color: var(--primary); background: var(--primary-50); }
.btn-light {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-md);
  font-size: 18px;
}
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 24px 60px -20px rgba(0,0,0,.4); }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--slate-200);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { height: 34px; width: auto; }
.brand-name { font-weight: 800; font-size: 19px; letter-spacing: -.02em; color: var(--ink); }
.nav { display: flex; gap: 28px; }
.nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color .15s ease;
}
.nav a:hover { color: var(--primary); }

/* ============ Hero ============ */
.hero {
  padding: 96px 0 84px;
  background:
    radial-gradient(1100px 460px at 75% -8%, rgba(37, 99, 235, .10), transparent 60%),
    linear-gradient(180deg, var(--slate-50), var(--white));
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 22px;
}
.hero-title {
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -.03em;
  font-weight: 800;
  margin: 0 0 18px;
  color: var(--ink);
}
.hero-title .hl {
  color: var(--primary);
  position: relative;
}
.hero-sub {
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 600;
  color: var(--ink-soft);
  margin: 0 0 26px;
}
.hero-lede {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 0 36px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

/* ============ Sections ============ */
.section { padding: 84px 0; }
.section-alt { background: var(--slate-50); }
.kicker {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 14px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 800;
  margin: 0 0 24px;
  color: var(--ink);
}
.section-intro {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 64ch;
  margin: 0 0 48px;
}

/* ============ Conviction ============ */
.conviction-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: center;
}
.conviction-text p { margin: 0 0 18px; font-size: 18px; color: var(--ink-soft); }
.conviction-punch {
  font-size: 22px !important;
  font-weight: 700;
  color: var(--ink) !important;
  margin-top: 26px !important;
  padding-left: 18px;
  border-left: 4px solid var(--primary);
}
.conviction-shift { display: flex; flex-direction: column; align-items: stretch; gap: 8px; }
.shift-card { border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.shift-card p { margin: 8px 0 0; font-size: 16px; }
.shift-label {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.shift-from { background: var(--slate-100); border: 1px solid var(--slate-200); }
.shift-from .shift-label { color: var(--secondary); }
.shift-from p { color: var(--ink-soft); }
.shift-to { background: var(--primary-50); border: 1px solid rgba(37,99,235,.25); }
.shift-to .shift-label { color: var(--primary); }
.shift-to p { color: var(--ink); }
.shift-arrow { text-align: center; font-size: 26px; color: var(--primary); font-weight: 700; }

/* ============ Mini cards (pour qui) ============ */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.mini-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.mini-card h3 { margin: 0 0 12px; font-size: 19px; color: var(--ink); }
.mini-card p { margin: 0; color: var(--ink-soft); font-size: 16px; }

/* ============ Offers ============ */
.offers { display: flex; flex-direction: column; gap: 22px; }
.offer {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 36px 40px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.offer:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.offer-num {
  font-size: 44px;
  font-weight: 800;
  color: var(--slate-200);
  letter-spacing: -.04em;
  line-height: 1;
}
.offer-flagship {
  border-color: rgba(37, 99, 235, .35);
  background: linear-gradient(180deg, var(--primary-50), var(--white));
}
.offer-flagship .offer-num { color: rgba(37, 99, 235, .35); }
.offer-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--primary);
  background: rgba(37, 99, 235, .12);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.offer-title { margin: 0 0 6px; font-size: 23px; letter-spacing: -.01em; color: var(--ink); }
.offer-tag { margin: 0 0 16px; font-size: 15px; font-weight: 600; color: var(--primary); }
.offer-body > p { color: var(--ink-soft); font-size: 17px; margin: 0 0 18px; }
.offer-deliv { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.offer-deliv li {
  position: relative;
  padding-left: 30px;
  color: var(--ink);
  font-size: 16px;
}
.offer-deliv li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--success);
  font-weight: 800;
}

/* ============ Callout Kaizen ============ */
.section-callout { padding: 0; }
.callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: center;
  background: linear-gradient(120deg, #0f172a, #1e293b);
  color: var(--white);
  border-radius: 20px;
  padding: 48px 52px;
  box-shadow: var(--shadow-md);
}
.callout-icon {
  font-size: 64px;
  font-weight: 800;
  color: rgba(255, 255, 255, .18);
  line-height: 1;
}
.callout-body h2 { margin: 0 0 12px; font-size: clamp(24px, 3.4vw, 32px); letter-spacing: -.02em; }
.callout-body h2 em { color: #93c5fd; font-style: normal; }
.callout-body p { margin: 0; color: #cbd5e1; font-size: 17px; max-width: 70ch; }
.callout-body em { color: #93c5fd; font-style: italic; }

/* ============ Stats ============ */
.section-stats { padding: 0; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: var(--primary);
  background: linear-gradient(120deg, var(--primary), #3b82f6);
  border-radius: 20px;
  padding: 48px 40px;
  box-shadow: var(--shadow-lg);
}
.stat { text-align: center; color: var(--white); }
.stat-num {
  display: block;
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 8px;
}
.stat-label { display: block; font-size: 14px; color: rgba(255, 255, 255, .85); line-height: 1.45; }

/* ============ Case cards ============ */
.case-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.case-card h3 { margin: 0 0 12px; font-size: 19px; color: var(--ink); }
.case-card p { margin: 0 0 14px; color: var(--ink-soft); font-size: 16px; }
.case-result {
  margin-top: auto !important;
  margin-bottom: 0 !important;
  padding-top: 14px;
  border-top: 1px solid var(--slate-200);
  font-weight: 700;
  color: var(--primary) !important;
  font-size: 15px !important;
}

/* ============ Profil ============ */
.profil-text { max-width: 72ch; }
.profil-text p { font-size: 18px; color: var(--ink-soft); margin: 0 0 18px; }
.values { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.value-tag {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-50);
  border: 1px solid rgba(37, 99, 235, .25);
  padding: 8px 16px;
  border-radius: 999px;
}

/* ============ Contact ============ */
.section-contact {
  background: linear-gradient(120deg, #0f172a, #1e293b);
  color: var(--white);
  text-align: center;
}
.contact-title { font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: -.02em; margin: 0 0 16px; }
.contact-sub { font-size: 19px; color: #cbd5e1; max-width: 52ch; margin: 0 auto 36px; }

/* ============ Footer ============ */
.site-footer { background: var(--ink); color: #cbd5e1; padding: 48px 0; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
}
.footer-logo { height: 36px; width: auto; margin-bottom: 14px; filter: brightness(0) invert(1); opacity: .92; }
.footer-brand p { margin: 0; max-width: 36ch; font-size: 15px; color: #94a3b8; }
.footer-meta { text-align: right; font-size: 15px; }
.footer-meta p { margin: 0 0 6px; }
.footer-meta a { color: #cbd5e1; }
.footer-meta a:hover { color: var(--white); }
.footer-copy { color: #64748b !important; font-size: 13px; margin-top: 12px !important; }

/* ============ Responsive ============ */
@media (max-width: 860px) {
  .nav { display: none; }
  .conviction-grid { grid-template-columns: 1fr; gap: 36px; }
  .cards-3 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .offer { grid-template-columns: 1fr; padding: 28px 24px; }
  .offer-num { font-size: 34px; margin-bottom: 6px; }
  .callout { grid-template-columns: 1fr; padding: 36px 28px; gap: 16px; }
  .callout-icon { font-size: 48px; }
  .footer-inner { flex-direction: column; }
  .footer-meta { text-align: left; }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 60px 0; }
}