/* Art direction: cabinet de diagnostic SI B2B → autorité calme, clarté, pragmatisme
       Palette: neutre chaude avec accent teal technique
       Typography: Zodiak + General Sans pour combiner crédibilité et lisibilité
       Density: équilibrée, beaucoup d'air pour dirigeants/DAF */
  :root,
  [data-theme="light"] {
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
    --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
    --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
    --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --color-bg: #f7f6f2;
    --color-surface: #f9f8f5;
    --color-surface-2: #fbfbf9;
    --color-surface-offset: #f0ede7;
    --color-surface-dynamic: #e4e1da;
    --color-divider: #dcd9d5;
    --color-border: #d4d1ca;
    --color-text: #28251d;
    --color-text-muted: #67655f;
    --color-text-faint: #9b9891;
    --color-text-inverse: #f9f8f4;
    --color-primary: #01696f;
    --color-primary-hover: #0c4e54;
    --color-primary-highlight: #d7e4e2;
    --color-success: #437a22;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
    --shadow-md: 0 8px 24px oklch(0.2 0.01 80 / 0.08);
    --shadow-lg: 0 16px 48px oklch(0.2 0.01 80 / 0.12);
    --content-default: 1100px;
    --content-narrow: 760px;
    --font-display: 'Zodiak', Georgia, serif;
    --font-body: 'General Sans', Inter, sans-serif;
    --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  }

  [data-theme="dark"] {
    --color-bg: #171614;
    --color-surface: #1c1b19;
    --color-surface-2: #201f1d;
    --color-surface-offset: #24211d;
    --color-surface-dynamic: #2d2c2a;
    --color-divider: #2a2825;
    --color-border: #393836;
    --color-text: #dfddd8;
    --color-text-muted: #aba8a1;
    --color-text-faint: #79756e;
    --color-text-inverse: #1b1a18;
    --color-primary: #4f98a3;
    --color-primary-hover: #6aa9b3;
    --color-primary-highlight: #25383a;
    --color-success: #7cad55;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
    --shadow-md: 0 8px 24px oklch(0 0 0 / 0.28);
    --shadow-lg: 0 16px 48px oklch(0 0 0 / 0.4);
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0
  }

  html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility
  }

  body {
    min-height: 100dvh;
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    background: var(--color-bg);
    color: var(--color-text)
  }

  img,
  svg {
    display: block;
    max-width: 100%;
    height: auto
  }

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

  button {
    font: inherit;
    cursor: pointer;
    border: none;
    background: none
  }

  :focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm)
  }

  .skip-link {
    position: absolute;
    left: -9999px;
    top: auto
  }

  .skip-link:focus {
    left: 1rem;
    top: 1rem;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: .75rem 1rem;
    border-radius: var(--radius-md);
    z-index: 100
  }

  .container {
    width: min(calc(100% - 2rem), var(--content-default));
    margin-inline: auto
  }

  .narrow {
    width: min(calc(100% - 2rem), var(--content-narrow));
    margin-inline: auto
  }

  .eyebrow {
    display: block;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: .14em;
    color: var(--color-text-muted);
    font-weight: 600;
    margin-bottom: var(--space-3)
  }

  .section {
    padding-block: clamp(var(--space-12), 9vw, var(--space-24))
  }

  .header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in oklab, var(--color-bg) 88%, transparent);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent)
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    padding: var(--space-4) 0
  }

  .brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    font-weight: 600
  }

  .brand-mark {
    width: 42px;
    height: 42px;
    padding: 10px;
    border-radius: 12px;
    background: var(--color-surface-offset);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm)
  }

  .nav {
    display: flex;
    gap: var(--space-5);
    align-items: center
  }

  .nav a {
    font-size: var(--text-sm);
    color: var(--color-text-muted)
  }

  .nav a:hover {
    color: var(--color-text)
  }

  .theme-toggle,
  .button,
  .button-secondary {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    padding: .85rem 1.1rem;
    border-radius: var(--radius-full);
    transition: all var(--transition)
  }

  .theme-toggle {
    border: 1px solid color-mix(in oklab, var(--color-text) 12%, transparent);
    background: var(--color-surface)
  }

  .button {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    font-weight: 600;
    box-shadow: var(--shadow-md)
  }

  .button:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px)
  }

  .button-secondary {
    background: var(--color-surface);
    border: 1px solid color-mix(in oklab, var(--color-text) 12%, transparent);
    font-weight: 600
  }

  .hero {
    padding-block: clamp(var(--space-16), 10vw, var(--space-24))
  }

  .hero:not(:has(.hero-grid)) {
    padding-block-end: var(--space-10)
  }

  .hero-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: var(--space-12);
    align-items: end
  }

  h1,
  h2 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.03;
    text-wrap: balance
  }

  h1 {
    font-size: var(--text-2xl);
    letter-spacing: -.03em
  }

  .hero-grid h1 {
    max-width: 11ch
  }

  h2 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-5);
    letter-spacing: -.02em
  }

  p {
    max-width: 68ch;
    color: var(--color-text-muted)
  }

  .hero-copy p {
    margin-top: var(--space-6);
    font-size: var(--text-lg);
    max-width: 38ch
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-8)
  }

  .hero-panel {
    background: linear-gradient(180deg, var(--color-surface), var(--color-surface-offset));
    border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
    border-radius: 28px;
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden
  }

  .hero-panel::after {
    content: "";
    position: absolute;
    inset: auto -10% -25% auto;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: color-mix(in oklab, var(--color-primary) 14%, transparent);
    filter: blur(12px)
  }

  .stat {
    padding: var(--space-4) 0;
    border-top: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent)
  }

  .stat strong {
    display: block;
    font-size: var(--text-lg);
    color: var(--color-text);
    margin-bottom: var(--space-1)
  }

  .grid-3,
  .grid-2 {
    display: grid;
    gap: var(--space-6)
  }

  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr))
  }

  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }

  .card {
    background: var(--color-surface);
    border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm)
  }

  .card h3 {
    font-size: var(--text-lg);
    line-height: 1.2;
    margin-bottom: var(--space-3)
  }

  .card p {
    font-size: var(--text-base)
  }

  .icon-line {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--color-primary-highlight);
    color: var(--color-primary);
    display: grid;
    place-items: center;
    margin-bottom: var(--space-4)
  }

  .process {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-5);
    counter-reset: step
  }

  .step {
    background: var(--color-surface);
    border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
    border-radius: 24px;
    padding: var(--space-6);
    position: relative
  }

  .step::before {
    counter-increment: step;
    content: counter(step);
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    font-size: var(--text-sm);
    font-weight: 700;
    margin-bottom: var(--space-4)
  }

  .case {
    background: var(--color-surface-offset);
    border-radius: 32px;
    padding: var(--space-8);
    border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent)
  }

  .case-grid {
    display: grid;
    grid-template-columns: 1fr .9fr;
    gap: var(--space-8);
    align-items: start
  }

  .quote {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    line-height: 1.1;
    letter-spacing: -.02em;
    color: var(--color-text)
  }

  .list {
    display: grid;
    gap: var(--space-3);
    margin-top: var(--space-4)
  }

  .list li {
    list-style: none;
    display: flex;
    gap: var(--space-3);
    color: var(--color-text-muted)
  }

  .list li::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    margin-top: .7em;
    flex: 0 0 auto
  }

  .list li strong {
    white-space: nowrap
  }

  .band {
    background: var(--color-surface);
    border-block: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent)
  }

  .pricing-note {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-6)
  }

  .tag {
    display: inline-flex;
    align-items: center;
    padding: .45rem .75rem;
    border-radius: var(--radius-full);
    background: var(--color-surface-offset);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--color-text-muted)
  }

  .cta {
    padding: var(--space-8);
    border-radius: 28px;
    background: linear-gradient(180deg, color-mix(in oklab, var(--color-primary) 8%, var(--color-surface)) 0%, var(--color-surface) 100%);
    border: 1px solid color-mix(in oklab, var(--color-primary) 18%, transparent)
  }

  .form {
    display: grid;
    gap: var(--space-5)
  }

  .form-group {
    display: grid;
    gap: var(--space-2)
  }

  .form-group label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text)
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface-2);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: var(--text-base);
    transition: border-color var(--transition), box-shadow var(--transition)
  }

  .form-group input:focus,
  .form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 15%, transparent)
  }

  .form-group textarea {
    resize: vertical;
    min-height: 140px
  }

  .form-note {
    font-size: var(--text-sm);
    color: var(--color-text-muted)
  }

.footer {
  padding: var(--space-10) 0 var(--space-8);
  border-top: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
  background: var(--color-surface);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr;
  gap: var(--space-8);
  align-items: flex-start;
  padding-bottom: var(--space-8);
}

.footer-brand {
  margin-bottom: var(--space-4);
}

.footer-branding {
  max-width: 44ch;
}

.footer-text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
}

.footer-note {
  color: var(--color-text);
}

.footer-column h3 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.footer-links {
  display: grid;
  gap: var(--space-3);
  padding: 0;
  margin: 0;
  list-style: none;
}

.footer-links li,
.footer-links a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer-links a:hover,
.footer-legal a:hover {
  color: var(--color-text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
}

.footer-bottom p {
  margin: 0;
  color: var(--color-text-faint);
  font-size: var(--text-sm);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-legal a {
  color: var(--color-text-faint);
  font-size: var(--text-sm);
}

/* Responsive */
@media (max-width: 980px) {
  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

  .muted {
    color: var(--color-text-muted)
  }

  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s cubic-bezier(0.16, 1, 0.3, 1), transform .6s cubic-bezier(0.16, 1, 0.3, 1)
  }

  .reveal.visible {
    opacity: 1;
    transform: none
  }

  @media (max-width: 980px) {

    .hero-grid,
    .case-grid,
    .grid-3,
    .grid-2,
    .process {
      grid-template-columns: 1fr
    }

    .nav {
      display: none
    }

    h1 {
      max-width: 13ch
    }

    .footer-grid {
      flex-direction: column
    }
  }

  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto
    }

    .reveal {
      opacity: 1;
      transform: none;
      transition: none
    }
  }

  /* ── Blog / Ressources hub ── */

  .article-list {
    display: grid;
    gap: var(--space-1);
  }

  .article-card {
    padding: var(--space-8) 0;
    border-bottom: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
  }

  .article-card:first-child {
    border-top: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
  }

  .article-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
  }

  .article-card-meta time {
    font-size: var(--text-sm);
    color: var(--color-text-faint);
  }

  .article-card-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 500;
    letter-spacing: -.02em;
    line-height: 1.1;
    margin-bottom: var(--space-4);
  }

  .article-card-title a {
    color: var(--color-text);
    text-decoration: none;
  }

  .article-card-title a:hover {
    color: var(--color-primary);
  }

  .article-card-lead {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    max-width: 60ch;
    margin-bottom: var(--space-5);
  }

  .article-card-link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
  }

  .article-card-link:hover {
    color: var(--color-primary-hover);
  }

  /* ── Post (article) layout ── */

  .post-meta-top {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
  }

  .post-date {
    font-size: var(--text-sm);
    color: var(--color-text-faint);
  }

  .post-header h1 {
    max-width: 22ch;
  }

  .post-lead {
    margin-top: var(--space-6);
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    max-width: 52ch;
  }

  .post-body {
    padding-block: clamp(var(--space-8), 6vw, var(--space-16));
  }

  .post-body h2 {
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
    font-size: var(--text-lg);
    font-weight: 600;
    font-family: var(--font-body);
    letter-spacing: 0;
    line-height: 1.3;
    color: var(--color-text);
  }

  .post-body h2:first-child {
    margin-top: 0;
  }

  .post-body p {
    margin-bottom: var(--space-5);
    font-size: var(--text-base);
    line-height: 1.75;
    max-width: 68ch;
  }

  .post-body strong {
    color: var(--color-text);
    font-weight: 600;
  }

  .post-body a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  .post-body a:hover {
    color: var(--color-primary-hover);
  }

  .post-body .list {
    margin-bottom: var(--space-6);
  }

  .post-cta {
    margin-top: 0;
  }

  /* ── FAQ in post ── */

  .faq-list {
    margin-top: var(--space-6);
    display: grid;
    gap: 0;
  }

  .faq-item {
    padding: var(--space-6) 0;
    border-top: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
  }

  .faq-item:last-child {
    border-bottom: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
  }

  .faq-item dt {
    font-weight: 600;
    font-size: var(--text-base);
    color: var(--color-text);
    margin-bottom: var(--space-3);
    max-width: 60ch;
  }

  .faq-item dd {
    color: var(--color-text-muted);
    font-size: var(--text-base);
    line-height: 1.7;
    max-width: 64ch;
  }

  /* ── Glossaire ── */

  .glossary {
    display: grid;
    gap: 0;
  }

  .glossary-entry {
    padding: var(--space-8) 0;
    border-top: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
    scroll-margin-top: 6rem;
  }

  .glossary-entry:last-child {
    border-bottom: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
  }

  .glossary-entry dt {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: -.01em;
    margin-bottom: var(--space-3);
  }

  .glossary-entry dd {
    color: var(--color-text-muted);
    font-size: var(--text-base);
    line-height: 1.75;
    max-width: 68ch;
  }