/* ==========================================================================
   DataDecide — feuille de style commune
   ========================================================================== */

:root {
  color-scheme: light;

  --color-primary: #1B2A41;
  --color-primary-dark: #10192A;
  --color-primary-light: #2B4058;
  --color-accent: #C9A227;
  --color-accent-light: #E4C25E;
  --color-bg: #F7F8FA;
  --color-bg-alt: #EEF1F5;
  --color-white: #FFFFFF;
  --color-text: #1B2A41;
  --color-text-muted: #5B6B7F;
  --color-text-inverse: #F5F6F8;
  --color-border: #DDE2E8;

  --font-heading: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --max-width: 1140px;
  --radius: 4px;
  --shadow-sm: 0 1px 3px rgba(27, 42, 65, 0.08);
  --shadow-md: 0 8px 24px rgba(27, 42, 65, 0.12);
  --transition: 0.2s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  margin: 0 0 0.6em;
  line-height: 1.25;
  font-weight: 400;
}

h1 { font-size: 2.6rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.25rem; }

p {
  margin: 0 0 1em;
  color: var(--color-text-muted);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

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

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

/* Variante plus large, réservée à la grille de cartes "Pourquoi DataDecide"
   (4 cartes sur une ligne) pour qu'elles restent confortablement larges. */
.container-wide {
  max-width: 1480px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 0.8em;
}

.rule-gold {
  width: 48px;
  height: 2px;
  background-color: var(--color-accent);
  border: none;
  margin: 0 0 1.4em;
}

/* ---------- Boutons ---------- */

.btn {
  display: inline-block;
  padding: 0.85em 1.8em;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  text-align: center;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-light);
  border-color: var(--color-accent-light);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text-inverse);
  border-color: rgba(245, 246, 248, 0.5);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline-dark:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-block {
  display: block;
  width: 100%;
}

/* ---------- Header / Navigation ---------- */

.site-header {
  background-color: var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.nav-brand .mark {
  color: var(--color-accent);
}

.logo-plate {
  display: flex;
  align-items: center;
  line-height: 0;
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 5px 8px;
}

.logo-plate img {
  height: 26px;
  width: auto;
  display: block;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(245, 246, 248, 0.4);
  border-radius: var(--radius);
  padding: 8px 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-white);
  margin: 4px 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: rgba(245, 246, 248, 0.85);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-links a:hover {
  color: var(--color-white);
}

.nav-links a.active {
  color: var(--color-white);
  border-bottom-color: var(--color-accent);
}

.nav-cta {
  margin-left: 8px;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-inverse);
  padding: 96px 0 88px;
}

.hero .container {
  max-width: 820px;
  text-align: center;
}

.hero h1 {
  color: var(--color-white);
  font-size: 2.7rem;
  margin-bottom: 0.5em;
}

.hero .lead {
  color: rgba(245, 246, 248, 0.8);
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 2em;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Sections génériques ---------- */

.section {
  padding: 80px 0;
}

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

.section-header {
  max-width: 640px;
  margin: 0 auto 3em;
  text-align: center;
}

.section-header .eyebrow,
.section-header .rule-gold {
  margin-left: auto;
  margin-right: auto;
}

.section-header .rule-gold {
  display: block;
}

/* ---------- Cartes différenciateurs ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card .card-number {
  font-family: var(--font-heading);
  color: var(--color-accent);
  font-size: 1.6rem;
  margin-bottom: 0.4em;
}

.card h3 {
  margin-bottom: 0.5em;
}

.card p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* ---------- Bandeau citation / positionnement ---------- */

.statement-band {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 64px 0;
  text-align: center;
}

.statement-band blockquote {
  margin: 0 auto;
  max-width: 760px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--color-white);
}

.statement-band cite {
  display: block;
  margin-top: 1.2em;
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ---------- CTA final ---------- */

.cta-band {
  padding: 72px 0;
  text-align: center;
}

.cta-band h2 {
  margin-bottom: 0.3em;
}

.cta-band p {
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Offre : blocs alternés ---------- */

.offer-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
  padding: 56px 0;
}

.offer-block + .offer-block {
  border-top: 1px solid var(--color-border);
}

.offer-block.reverse {
  grid-template-columns: 1.1fr 0.9fr;
}

.offer-block.reverse .offer-visual {
  order: 2;
}

.offer-visual {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.offer-visual .visual-index {
  font-family: var(--font-heading);
  font-size: 5rem;
  color: var(--color-primary);
  opacity: 0.08;
}

.offer-visual .visual-icon {
  position: absolute;
  color: var(--color-accent);
}

.offer-visual.has-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.offer-list {
  list-style: none;
  margin: 1.2em 0 0;
  padding: 0;
}

.offer-list li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.offer-list li:last-child {
  border-bottom: none;
}

.offer-list li::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 8px;
  background-color: var(--color-accent);
}

/* ---------- Étapes / process ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 0 28px;
  border-left: 1px solid var(--color-border);
}

.step:first-child {
  border-left: none;
  padding-left: 0;
}

.step .step-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--color-accent);
  margin-bottom: 0.3em;
}

/* ---------- Motif décoratif « Notre méthode » ---------- */

.section-method {
  position: relative;
}

.steps {
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  inset: -16px -16px -28px -16px;
  background-image: url("../../assets/graphic-progression-wide.svg");
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: 100% 60%;
  opacity: 0.16;
  pointer-events: none;
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
}

/* ---------- FAQ ---------- */

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  padding: 26px 0;
  border-top: 1px solid var(--color-border);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.faq-item h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5em;
}

.faq-item p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* ---------- Fondateur ---------- */

.section-founder {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.founder-block {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: center;
}

.founder-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(155deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.founder-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.founder-photo span {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 2.4rem;
  color: var(--color-accent);
}

.founder-text .eyebrow {
  margin-bottom: 0.6em;
}

.founder-text p:last-child {
  margin-bottom: 0;
}

/* ---------- Tableau comparatif ---------- */

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
}

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.compare-table thead th {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1rem;
}

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

.compare-table tbody td:first-child {
  color: var(--color-text);
  font-weight: 600;
  width: 26%;
}

.compare-table .check {
  color: var(--color-accent);
  font-weight: 700;
}

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

/* ---------- Réalisations (démonstration Power BI) ---------- */

.demo-banner {
  background-color: rgba(201, 162, 39, 0.1);
  border: 1px solid rgba(201, 162, 39, 0.35);
  border-radius: var(--radius);
  padding: 18px 24px;
  text-align: center;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.demo-banner strong {
  color: var(--color-primary);
}

.report-showcase {
  margin-bottom: 72px;
}

.report-showcase:last-child {
  margin-bottom: 0;
}

.report-showcase-header {
  max-width: 720px;
  margin-bottom: 1.6em;
}

.report-embed-container {
  /* Le rapport est conçu pour un canevas large : on sort volontairement de
     la largeur de lecture (.container) en "breakout" pour lui laisser
     quasiment toute la largeur de la page (sinon powerbi-client le réduit
     d'échelle et le texte devient illisible). Centré par rapport au
     viewport via margin-left: 50% + translateX(-50%) — pas de 100vw (qui
     ignore la largeur de la scrollbar et provoque un débordement), 96vw
     laisse volontairement une marge de sécurité de chaque côté.
     "aspect-ratio" (plutôt qu'une hauteur fixe) garde le ratio 16:9 du
     rapport à n'importe quelle largeur, y compris sur mobile où le
     conteneur redevient étroit — et reste, comme une hauteur explicite,
     une taille "définie" permettant à l'iframe injecté par powerbi-client
     (qui a "height: 100%" en ligne) de se dimensionner correctement. */
  position: relative;
  width: 96vw;
  max-width: 1700px;
  margin-left: 50%;
  transform: translateX(-50%);
  aspect-ratio: 16 / 9;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.report-embed-container iframe {
  border: none;
}

.report-embed-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ---------- Formulaires ---------- */

.form-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 44px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.form-group .hint {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.18);
  background-color: var(--color-white);
}

textarea.form-control {
  resize: vertical;
  min-height: 130px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-footnote {
  margin-top: 18px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
}

.form-message {
  display: none;
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: var(--radius);
  background-color: rgba(201, 162, 39, 0.12);
  border: 1px solid rgba(201, 162, 39, 0.4);
  color: var(--color-primary);
  font-size: 0.9rem;
}

.form-message.visible {
  display: block;
}

.form-message.error {
  background-color: rgba(179, 65, 58, 0.12);
  border-color: rgba(179, 65, 58, 0.4);
  color: #B3413A;
}

.form-error {
  color: #B3413A;
  font-size: 0.8rem;
  margin-top: 6px;
  display: none;
}

.form-group.has-error .form-control {
  border-color: #B3413A;
}

.form-group.has-error .form-error {
  display: block;
}

/* ---------- Page Espace Client ---------- */

.login-wrap {
  min-height: calc(100vh - 400px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
}

.login-card {
  width: 100%;
  max-width: 420px;
}

.login-header {
  text-align: center;
  margin-bottom: 2em;
}

.login-header .lock-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 1em;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.3rem;
}

.login-links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  margin-bottom: 24px;
}

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

.login-links a:hover {
  color: var(--color-primary);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.divider-text {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 28px 0;
}

.divider-text::before,
.divider-text::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--color-border);
}

/* ---------- Page Contact ---------- */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius);
  padding: 40px 32px;
}

.contact-info-card h3 {
  color: var(--color-white);
}

.contact-info-list {
  list-style: none;
  margin: 1.6em 0 0;
  padding: 0;
}

.contact-info-list li {
  padding: 14px 0;
  border-top: 1px solid rgba(245, 246, 248, 0.15);
}

.contact-info-list li:first-child {
  border-top: none;
}

.contact-info-list .label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.contact-info-list a,
.contact-info-list span.value {
  color: rgba(245, 246, 248, 0.9);
}

/* ---------- Footer ---------- */

.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(245, 246, 248, 0.7);
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(245, 246, 248, 0.1);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 0.8em;
}

.footer-brand .mark {
  color: var(--color-accent);
}

.footer-brand .logo-plate img {
  height: 24px;
}

.footer-tagline {
  font-size: 0.88rem;
  max-width: 320px;
}

.footer-col h4 {
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1em;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: rgba(245, 246, 248, 0.7);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .offer-block,
  .offer-block.reverse {
    grid-template-columns: 1fr;
  }

  .offer-block.reverse .offer-visual {
    order: 0;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .founder-block {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .step {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
  }

  .step:first-child {
    border-top: none;
    padding-top: 0;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
    display: none;
    box-shadow: var(--shadow-md);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 12px 0;
    width: 100%;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 10px;
  }

  h1 { font-size: 2.1rem; }

  .hero { padding: 64px 0 56px; }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 28px 22px;
  }
}