/* =========================
   Index Rénov' — Styles v2
   ========================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=DM+Sans:wght@400;500;700&display=swap');

:root {
  --blue-ink: #0D3B66;
  --blue-deep: #082745;
  --blue-soft: #E8F0F8;
  --cream: #FBF7F2;
  --cream-dark: #F3EDE3;
  --ink: #1A1A1A;
  --ink-muted: #5A5A5A;
  --highlight: #FFE066;
  --highlight-soft: #FFF3B0;
  --coral: #E8593C;
  --border: #1A1A1A;
  --profil-bleu: #4A9EE0;
  --profil-bleu-soft: #D6EAF8;
  --profil-jaune: #F4C430;
  --profil-jaune-soft: #FCE9B5;
  --profil-violet: #9B8BC9;
  --profil-violet-soft: #E0D9F0;
  --profil-rose: #E88EA5;
  --profil-rose-soft: #F7D9E1;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink);
}

h1 { font-size: clamp(2.5rem, 5.5vw, 4.5rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.85rem, 3.8vw, 3rem); letter-spacing: -0.03em; }
h3 { font-size: clamp(1.35rem, 2.3vw, 1.75rem); letter-spacing: -0.025em; }
h4 { font-size: 1.2rem; letter-spacing: -0.02em; }

p { margin-bottom: 1rem; }

a {
  color: var(--blue-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { text-decoration-thickness: 2px; }

.mark {
  background: var(--highlight);
  padding: 0 0.15em;
  font-weight: inherit;
  color: var(--ink);
}

.mark-soft {
  background: var(--highlight-soft);
  padding: 0 0.1em;
}

.eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 500;
  color: var(--ink-muted);
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 1.5rem; }

section {
  padding: 5rem 0;
  border-top: 1px solid var(--ink);
}
section:first-of-type { border-top: none; }

/* Header */
.site-header {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--ink);
  background: var(--cream);
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.brand {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.03em;
  display: inline-flex;
  align-items: center;
}
.brand:hover { text-decoration: none; }
.brand .dot { color: var(--coral); }

.brand-logo {
  height: 32px;
  width: auto;
  display: block;
}

.footer-logo {
  height: 28px;
  width: auto;
  display: block;
  margin-bottom: 0.75rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
}
.nav-links a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--ink);
  color: var(--cream);
  padding: 0.9rem 1.75rem;
  border: 2px solid var(--ink);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  background: var(--blue-ink);
  border-color: var(--blue-ink);
  color: var(--cream);
  text-decoration: none;
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);
}

.btn-primary {
  background: var(--blue-ink);
  color: var(--cream);
  border-color: var(--blue-ink);
  font-size: 1.125rem;
  padding: 1.1rem 2.25rem;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--blue-deep);
  border-color: var(--blue-deep);
  box-shadow: 4px 4px 0 var(--blue-ink);
}

.btn-nav {
  background: var(--blue-ink);
  color: var(--cream) !important;
  border-color: var(--blue-ink);
  padding: 0.7rem 1.3rem;
  font-size: 0.95rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-nav span {
  color: var(--cream);
}

.btn-nav:hover {
  background: var(--blue-deep);
  border-color: var(--blue-deep);
  color: var(--cream) !important;
  box-shadow: 3px 3px 0 var(--blue-ink);
}

.btn-nav:hover span {
  color: var(--cream);
}

.btn-nav .arrow {
  display: inline-block;
  transition: transform 0.15s ease;
}
.btn-nav:hover .arrow { transform: translateX(3px); }

/* Hero */
.hero { padding: 5rem 0 6rem; }
.hero-eyebrow { margin-bottom: 1.5rem; }
.hero h1 {
  margin-bottom: 1.75rem;
  max-width: 900px;
}

.hero-lead {
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  color: var(--ink-muted);
  max-width: 620px;
  margin-bottom: 2.5rem;
  line-height: 1.5;
}

.hero-cta-row {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.hero-cta-note { font-size: 0.9rem; color: var(--ink-muted); }

.section-eyebrow { margin-bottom: 1rem; }
.section-title { margin-bottom: 3rem; max-width: 780px; }

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.step {
  padding: 2rem;
  border: 2px solid var(--ink);
  background: var(--cream);
}

.step-num {
  font-family: 'Inter', sans-serif;
  font-size: 2.5rem;
  color: var(--blue-ink);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -0.04em;
}

.step h3 { margin-bottom: 0.75rem; font-size: 1.35rem; }
.step p { color: var(--ink-muted); font-size: 1rem; margin-bottom: 0; }

/* Stats block */
.stat-block {
  background: var(--blue-ink);
  color: var(--cream);
  padding: 4rem 2rem;
  text-align: center;
  border: 2px solid var(--ink);
  margin: 3rem 0;
}

.stat-block .stat-big {
  font-family: 'Inter', sans-serif;
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -0.04em;
}

.stat-block p {
  font-size: 1.25rem;
  max-width: 560px;
  margin: 0 auto;
  opacity: 0.9;
}

/* Arnaques */
.arnaques-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.arnaque-card {
  background: var(--cream);
  border: 2px solid var(--ink);
  padding: 2rem;
}

.arnaque-label {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--coral);
  margin-bottom: 1rem;
}

.arnaque-card h3 { font-size: 1.15rem; margin-bottom: 0.75rem; }
.arnaque-card p { color: var(--ink-muted); font-size: 0.95rem; margin-bottom: 0; }

/* Eligibility criteria */
.criteria-list {
  list-style: none;
  margin-top: 2rem;
}

.criteria-list li {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--ink);
  display: flex;
  gap: 2rem;
  align-items: baseline;
}
.criteria-list li:last-child { border-bottom: none; }

.criteria-num {
  font-family: 'Inter', sans-serif;
  font-size: 1.3rem;
  color: var(--blue-ink);
  min-width: 3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.criteria-content h4 { margin-bottom: 0.5rem; }
.criteria-content p { color: var(--ink-muted); margin-bottom: 0; }

/* Bareme tables */
.bareme-section { background: var(--cream-dark); }

.bareme-intro {
  font-size: 1.05rem;
  color: var(--ink-muted);
  margin-bottom: 2rem;
  max-width: 700px;
}

.bareme-region {
  font-family: 'Inter', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 3rem 0 1rem;
  color: var(--ink);
}

.bareme-region:first-of-type { margin-top: 0; }

.bareme-wrapper {
  overflow-x: auto;
  border: 2px solid var(--ink);
  background: var(--cream);
  margin-bottom: 1rem;
}

.bareme-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'DM Sans', sans-serif;
  min-width: 620px;
}

.bareme-table thead th {
  padding: 1rem 0.75rem;
  text-align: center;
  font-weight: 500;
  font-size: 0.9rem;
  border-right: 1px solid rgba(255,255,255,0.15);
}

.bareme-table thead th:last-child { border-right: none; }

.bareme-table thead th.th-label {
  background: var(--blue-ink);
  color: var(--cream);
  text-align: left;
  font-size: 0.85rem;
  line-height: 1.3;
  max-width: 140px;
}

.bareme-table thead .profil-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.bareme-table thead .profil-sub {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.85;
}

.bareme-table thead .col-bleu { background: var(--profil-bleu); color: #0a2840; }
.bareme-table thead .col-jaune { background: var(--profil-jaune); color: #4a3a00; }
.bareme-table thead .col-violet { background: var(--profil-violet); color: #2d2350; }
.bareme-table thead .col-rose { background: var(--profil-rose); color: #4a1f2d; }

.bareme-table tbody td {
  padding: 0.85rem 0.75rem;
  text-align: center;
  border-bottom: 1px solid rgba(26,26,26,0.1);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

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

.bareme-table tbody tr.row-extra td {
  background: var(--cream-dark);
  font-weight: 500;
  border-top: 2px solid var(--ink);
}

.bareme-table tbody td.row-label {
  text-align: left;
  font-weight: 500;
  background: var(--cream-dark);
}

.bareme-table tbody td.cell-bleu { background: var(--profil-bleu-soft); }
.bareme-table tbody td.cell-jaune { background: var(--profil-jaune-soft); }
.bareme-table tbody td.cell-violet { background: var(--profil-violet-soft); }
.bareme-table tbody td.cell-rose { background: var(--profil-rose-soft); }

.bareme-note {
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-top: 1rem;
  font-style: italic;
}

.bareme-highlight {
  background: var(--cream);
  border: 2px solid var(--ink);
  padding: 1.75rem;
  margin-top: 2.5rem;
}

.bareme-highlight h4 {
  margin-bottom: 0.75rem;
  color: var(--blue-ink);
}

.bareme-highlight p { margin-bottom: 0; color: var(--ink-muted); font-size: 0.98rem; }

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--ink);
  padding: 1.5rem 0;
}

.faq-item:last-child { border-bottom: none; }

.faq-question {
  font-family: 'Inter', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  color: var(--ink);
}

.faq-question::-webkit-details-marker { display: none; }

.faq-question::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--blue-ink);
  font-weight: 400;
  transition: transform 0.2s ease;
  line-height: 1;
}

details[open] .faq-question::after { content: "−"; }

.faq-answer {
  padding-top: 1rem;
  color: var(--ink-muted);
}

/* Final CTA */
.final-cta {
  background: var(--ink);
  color: var(--cream);
  padding: 5rem 0;
  text-align: center;
  border-top: none;
}

.final-cta h2 {
  color: var(--cream);
  margin-bottom: 1.5rem;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta p {
  color: rgba(251, 247, 242, 0.8);
  font-size: 1.15rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta .btn-primary {
  background: var(--highlight);
  color: var(--ink);
  border-color: var(--highlight);
}

.final-cta .btn-primary:hover {
  background: var(--cream);
  border-color: var(--cream);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--highlight);
}

.final-cta .cta-note {
  font-size: 0.9rem;
  color: rgba(251, 247, 242, 0.65);
  margin-top: 1.5rem;
}

/* Footer */
.site-footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--ink);
  background: var(--cream-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-brand {
  font-family: 'Inter', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}

.footer-tagline { font-size: 0.95rem; color: var(--ink-muted); }

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.footer-col h5 {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  color: var(--ink);
  font-weight: 700;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.5rem; }

.footer-col a {
  font-size: 0.95rem;
  color: var(--ink-muted);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--ink-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Legal pages */
.legal-content { padding: 3rem 0 5rem; }

.legal-content h2 {
  margin-top: 3rem;
  margin-bottom: 1rem;
  font-size: 1.6rem;
}

.legal-content h2:first-child { margin-top: 0; }

.legal-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

.legal-content p, .legal-content ul { margin-bottom: 1rem; color: var(--ink-muted); }
.legal-content ul { padding-left: 1.5rem; }
.legal-content li { margin-bottom: 0.5rem; }
.legal-content strong { color: var(--ink); font-weight: 600; }

/* Eligibility page */
.form-wrap {
  padding: 3rem 0 5rem;
  text-align: center;
}

.form-wrap h1 { margin-bottom: 1rem; }
.form-wrap .hero-lead { margin: 0 auto 3rem; }

/* Responsive */
@media (max-width: 760px) {
  body { font-size: 17px; }
  section { padding: 3.5rem 0; }
  .hero { padding: 3rem 0 4rem; }
  .nav-links { gap: 1rem; }
  .nav-links a:not(.btn-nav) { display: none; }
  
  .btn-nav {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }
  .btn-nav .btn-long { display: none; }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero-cta-row { flex-direction: column; align-items: flex-start; }
  
  .criteria-list li {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .bareme-table { font-size: 0.85rem; }
  .bareme-table thead th,
  .bareme-table tbody td { padding: 0.6rem 0.4rem; }
}