:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --primary: #1f7ae0;
  --primary-dark: #155fb4;
  --accent: #f97316;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 12px;
  --spacing: 1.2rem;
  --max-width: 1200px;
  --transition: 220ms ease;
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-elevated: #ffffff;
  --primary-strong: #155fb4;
  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --footer-bg: #0f172a;
  --footer-text: #e2e8f0;
  --footer-link: #cbd5e1;
  --footer-link-hover: #ffffff;
  --footer-social-bg: rgba(255, 255, 255, 0.08);
  --footer-social-bg-hover: rgba(255, 255, 255, 0.15);
}

:root[data-theme="alt"] {
  --bg-main: #0b1020;
  --bg-surface: #12172a;
  --bg-elevated: #1a2140;
  --primary: #4c7dff;
  --primary-strong: #2f5bff;
  --accent: #ffc83d;
  --text-main: #e8ebf4;
  --text-secondary: #b6beda;
  --text-muted: #7c85a8;
  --border: #242b4a;
  --bg: var(--bg-main);
  --surface: var(--bg-surface);
  --primary-dark: var(--primary-strong);
  --text: var(--text-main);
  --muted: var(--text-secondary);
  --shadow: 0 14px 40px rgba(11, 16, 32, 0.35);
  --footer-bg: var(--bg-main);
  --footer-text: var(--text-main);
  --footer-link: var(--text-secondary);
  --footer-link-hover: var(--text-main);
  --footer-social-bg: var(--bg-surface);
  --footer-social-bg-hover: var(--bg-elevated);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.modal-open {
  overflow: hidden;
}

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

a:hover,
a:focus-visible {
  color: var(--primary);
}

img {
  max-width: 100%;
  display: block;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 100;
}

.skip-link:focus-visible {
  position: fixed;
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.75rem 1rem;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--primary);
}

.nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.nav__list {
  display: flex;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav__list a {
  font-weight: 600;
  color: var(--muted);
}

.nav__list a:hover,
.nav__list a:focus-visible {
  color: var(--primary);
}

.nav-toggle {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  padding: 0.35rem 0.45rem;
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.nav-toggle__bar {
  width: 22px;
  height: 2px;
  background: var(--text);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: var(--surface);
  border-color: var(--primary);
}

.nav.is-open {
  display: grid;
  gap: 1rem;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: #fff;
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero {
  padding: 4rem 0 3rem;
  background: linear-gradient(135deg, #f8fbff 0%, #eef2ff 50%, #ffffff 100%);
}

.hero__grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero__content h1 {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  margin: 0.5rem 0 1rem;
}

.hero__lead {
  max-width: 46ch;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.hero__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.hero__bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
  color: var(--muted);
}

.hero__visual {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.mockup {
  display: grid;
  grid-template-columns: 1fr 2fr;
  background: #0b172a;
  color: #e2e8f0;
  border-radius: var(--radius);
  overflow: hidden;
}

.mockup__sidebar {
  background: #0f1f3a;
  padding: 1rem;
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.mockup__logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #93c5fd;
}

.mockup__menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border-radius: 8px;
  color: #cbd5e1;
}

.mockup__menu--active {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot--green { background: #34d399; }
.dot--blue { background: #60a5fa; }
.dot--orange { background: #fb923c; }

.mockup__content {
  padding: 1rem 1.25rem;
  display: grid;
  gap: 1rem;
}

.mockup__header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.mockup__tag {
  padding: 0.35rem 0.65rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  font-size: 0.85rem;
}

.mockup__tag--muted {
  color: #cbd5e1;
}

.mockup__actions {
  margin-left: auto;
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.pill {
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  font-size: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.pill--success { background: rgba(52, 211, 153, 0.15); border-color: rgba(52, 211, 153, 0.5); color: #bbf7d0; }
.pill--neutral { background: rgba(148, 163, 184, 0.15); border-color: rgba(148, 163, 184, 0.5); color: #cbd5e1; }
.pill--accent { background: rgba(249, 115, 22, 0.2); border-color: rgba(249, 115, 22, 0.5); color: #fed7aa; }

.mockup__body {
  display: grid;
  gap: 0.75rem;
}

.chart {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  align-items: end;
  height: 130px;
}

.chart__bar {
  background: linear-gradient(180deg, #60a5fa, #1f7ae0);
  border-radius: 6px 6px 2px 2px;
}

.word-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.word {
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(226, 232, 240, 0.2);
  color: #cbd5e1;
}

.word--big { font-size: 1.1rem; color: #e0f2fe; }
.word--medium { font-size: 0.95rem; }

.mockup__list {
  display: grid;
  gap: 0.5rem;
}

.list-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.item__title {
  margin: 0;
  color: #e2e8f0;
}

.item__meta {
  margin: 0.25rem 0 0;
  color: #cbd5e1;
  font-size: 0.9rem;
}

.section {
  padding: 3.5rem 0;
}

.section--alt {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section__header {
  text-align: center;
  margin-bottom: 2rem;
}

.section__header h2 {
  margin-bottom: 0.4rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  margin: 0;
}

.subtitle {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

.grid--features {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid--steps {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.grid--pricing {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.split {
  display: grid;
  gap: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.feature h3,
.step h3,
.pricing h3 {
  margin-top: 0.5rem;
}

.icon {
  width: 40px;
  height: 40px;
  color: var(--primary);
}

.step__number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #e0f2fe;
  color: var(--primary);
  display: grid;
  place-items: center;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
  color: var(--muted);
}

.list--check li {
  position: relative;
  padding-left: 1.4rem;
}

.list--check li::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.anchor-target { scroll-margin-top: 90px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 20px rgba(31, 122, 224, 0.25);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--primary);
  color: var(--primary);
}

.pricing {
  display: grid;
  gap: 0.7rem;
}

.pricing__label {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0;
}

.pricing--highlight {
  border-color: var(--primary);
  box-shadow: 0 10px 35px rgba(31, 122, 224, 0.15);
}

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

.pricing-table__wrap {
  overflow: hidden;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
  display: none;
}

.pricing-table th,
.pricing-table td {
  padding: 0.85rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.pricing-table thead th {
  background: #f8fafc;
  font-weight: 700;
}

.pricing-table tbody tr:last-child td {
  border-bottom: none;
}

.pricing-stack {
  display: grid;
  gap: 1rem;
}

.accordion__item {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.accordion__trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1rem 1.1rem;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.accordion__trigger::after {
  content: '+';
  font-weight: 700;
  color: var(--primary);
}

.accordion__trigger[aria-expanded="true"]::after {
  content: '–';
}

.accordion__panel {
  padding: 0 1.1rem 1rem;
  color: var(--muted);
}

/* Liens dans le corps de texte */
.content a,
.section a:not(.btn) {
  color: var(--primary);              /* ton bleu */
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  font-weight: 600;                   /* léger boost */
}

.content a:hover,
.section a:not(.btn):hover {
  text-decoration-thickness: 3px;
  opacity: 0.9;
}

/* Focus clavier (accessibilité) */
.content a:focus-visible,
.section a:not(.btn):focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Liens inline (dans les paragraphes) : très visibles */
.section p a:not(.btn) {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  font-weight: 600;
}

/* Liens du sommaire : un peu plus “navigation” */
.section--toc a {
  font-weight: 600;
  text-decoration-thickness: 1.5px;
}
.section--toc a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}


.contact {
  display: grid;
  gap: 1.5rem;
}

.contact__form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.form__group {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

label {
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  font: inherit;
}

input:focus-visible,
textarea:focus-visible,
.nav-toggle:focus-visible,
.btn:focus-visible,
.accordion__trigger:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.form__error {
  color: #b91c1c;
  min-height: 1.2em;
  margin: 0;
  font-size: 0.9rem;
}

.form__status {
  min-height: 1.2em;
  color: var(--primary);
  font-weight: 700;
}

.footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 2.5rem 0;
  margin-top: 2rem;
}


.footer__grid {
  display: grid;
  gap: 1.5rem;
}

.footer__title {
  margin-bottom: 0.5rem;
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.4rem;
}

.social {
  display: flex;
  gap: 0.75rem;
}

.social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--footer-social-bg);
  color: var(--footer-text);
}

.social a:hover,
.social a:focus-visible {
  background: var(--footer-social-bg-hover);
}

.footer__actions {
  margin-top: 0.75rem;
}

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 30;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  background: #fff;
  border-radius: var(--radius);
  max-width: 480px;
  width: calc(100% - 2rem);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  z-index: 1;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.modal__close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--muted);
}

.modal__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.footer a { color: var(--footer-link); }
.footer a:hover,
.footer a:focus-visible { color: var(--footer-link-hover); }

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

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

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

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

  .pricing-table {
    display: table;
  }

  .pricing-stack {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}