:root {
  --primary: #0C0C0D;
  --brand: #1F2E38;
  --secondary: #7A8F9D;
  --background: #F5F1EB;
  --surface: #FFFFFF;

  --text-primary: #111111;
  --text-secondary: #555555;
  --text-inverse: #FFFFFF;

  --success: #43A347;
  --warning: #F1C107;
  --danger: #E56385;

  --container: 1180px;
  --radius: 8px;
  --radius-large: 18px;

  --shadow-soft: 0 10px 30px rgba(12, 12, 13, 0.06);
  --border-soft: 1px solid rgba(17, 17, 17, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text-primary);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
  line-height: 1.5;
}

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

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

.container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.narrow {
  max-width: 820px;
}

.center {
  text-align: center;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 241, 235, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(17, 17, 17, 0.06);
}

.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--brand);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a {
  font-size: 16px;
  color: var(--text-secondary);
}

.main-nav a:hover {
  color: var(--brand);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 28px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  transition: 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--brand);
  color: var(--text-inverse);
}

.btn-primary:hover {
  transform: translateY(-1px);
  opacity: 0.96;
}

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

.btn-outline:hover {
  background: rgba(31, 46, 56, 0.05);
}

.hero {
  padding: 96px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.eyebrow,
.section-tag,
.mini-label {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary);
}

.hero h1 {
  margin: 0 0 20px;
  font-size: 64px;
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 820px;
}

.hero-text {
  margin: 0 0 32px;
  max-width: 680px;
  font-size: 20px;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}

.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-notes span {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.65);
  border: var(--border-soft);
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-secondary);
}

.hero-card {
  display: flex;
  justify-content: flex-end;
}

.card-shell {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: var(--border-soft);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow-soft);
}

.mini-step + .mini-step {
  margin-top: 20px;
}

.mini-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  align-items: start;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(31, 46, 56, 0.08);
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.mini-step strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

.mini-step p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 16px;
}

.section {
  padding: 80px 0;
}

.section-surface {
  background: var(--surface);
  border-top: 1px solid rgba(17, 17, 17, 0.04);
  border-bottom: 1px solid rgba(17, 17, 17, 0.04);
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: end;
  margin-bottom: 36px;
}

.section h2 {
  margin: 0 0 12px;
  font-size: 40px;
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-lead,
.section-side-text {
  margin: 0;
  color: var(--text-secondary);
  font-size: 18px;
}

.section-side-text {
  max-width: 420px;
}

.steps-grid,
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.info-card,
.benefit-box {
  background: var(--surface);
  border: var(--border-soft);
  border-radius: 18px;
  padding: 28px;
}

.info-card {
  background: rgba(255, 255, 255, 0.72);
}

.card-index {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.08em;
}

.info-card h3,
.benefit-box h3 {
  margin: 0 0 12px;
  font-size: 28px;
  line-height: 1.2;
  font-weight: 600;
}

.info-card p,
.benefit-box p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 17px;
}

.final-cta {
  padding-bottom: 100px;
}

.site-footer {
  background: var(--primary);
  color: var(--text-inverse);
  padding-top: 40px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.footer-copy {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  max-width: 420px;
  font-size: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0 28px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
}

.resiliation {
  text-align: right;
}

@media (max-width: 980px) {
  .hero-grid,
  .section-head,
  .footer-inner,
  .footer-bottom {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero h1 {
    font-size: 48px;
  }

  .steps-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    justify-content: stretch;
  }

  .card-shell {
    max-width: none;
  }

  .resiliation {
    text-align: left;
  }
}

@media (max-width: 760px) {
  .header-inner {
    flex-wrap: wrap;
    justify-content: center;
    padding: 16px 0;
  }

  .main-nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
  }

  .hero {
    padding: 72px 0 56px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .section h2 {
    font-size: 32px;
  }

  .info-card h3,
  .benefit-box h3 {
    font-size: 24px;
  }

  body {
    font-size: 17px;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }
}

.tunnel-page {
  min-height: 100vh;
}

.tunnel-hero {
  padding: 72px 0 28px;
}

.tunnel-title {
  margin: 0 0 12px;
  font-size: 56px;
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.tunnel-lead {
  margin: 0;
  font-size: 20px;
  color: var(--text-secondary);
}

.tunnel-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.tunnel-sidebar {
  position: sticky;
  top: 110px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.side-card {
  background: var(--surface);
  border: var(--border-soft);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.subtle-card {
  box-shadow: none;
}

.side-note {
  margin: 0;
  color: var(--text-secondary);
  font-size: 16px;
}

.active-step {
  background: var(--brand);
  color: var(--text-inverse);
}

.tunnel-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.intro-box,
.document-card,
.legal-box {
  background: var(--surface);
  border: var(--border-soft);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow-soft);
}

.intro-box h2 {
  margin: 0 0 12px;
  font-size: 32px;
  line-height: 1.15;
  font-weight: 600;
}

.intro-box p:last-child {
  margin-bottom: 0;
  color: var(--text-secondary);
}

.adhesion-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.document-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: start;
  margin-bottom: 16px;
}

.document-label {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary);
}

.document-head h3 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
  font-weight: 600;
}

.doc-link {
  white-space: nowrap;
  font-size: 15px;
  color: var(--brand);
  border-bottom: 1px solid rgba(31, 46, 56, 0.3);
}

.document-text {
  margin: 0 0 22px;
  color: var(--text-secondary);
}

.signature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-group label {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.field-group input {
  width: 100%;
  min-height: 54px;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 10px;
  background: #fff;
  padding: 0 14px;
  font-size: 16px;
  color: var(--text-primary);
  outline: none;
}

.field-group input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(31, 46, 56, 0.08);
}

.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.check-row {
  display: flex;
  align-items: start;
  gap: 12px;
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.45;
}

.check-row input[type="checkbox"] {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--brand);
  flex: 0 0 auto;
}

.legal-box {
  border: 1px solid rgba(31, 46, 56, 0.14);
  background: rgba(255, 255, 255, 0.94);
}

.legal-title {
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
}

.legal-text {
  margin: 0 0 14px;
  color: var(--text-primary);
}

.legal-text:last-of-type {
  margin-bottom: 18px;
}

.legal-check {
  padding-top: 8px;
  border-top: 1px solid rgba(17, 17, 17, 0.08);
}

.form-actions {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.form-note {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.form-message {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--danger);
  min-height: 22px;
}

@media (max-width: 980px) {
  .tunnel-layout {
    grid-template-columns: 1fr;
  }

  .tunnel-sidebar {
    position: static;
  }

  .tunnel-title {
    font-size: 42px;
  }
}

@media (max-width: 760px) {
  .tunnel-title {
    font-size: 34px;
  }

  .document-head {
    flex-direction: column;
  }

  .signature-grid {
    grid-template-columns: 1fr;
  }

  .intro-box,
  .document-card,
  .legal-box {
    padding: 22px;
  }
}

.completed-step {
  background: rgba(67, 163, 71, 0.14);
  color: var(--success);
}

.paiement-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.paiement-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.payment-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.plan-card {
  position: relative;
  display: block;
  background: var(--surface);
  border: 1px solid rgba(17, 17, 17, 0.1);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: 0.2s ease;
}

.plan-card:hover {
  transform: translateY(-2px);
}

.plan-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.selected-plan {
  border: 1px solid rgba(31, 46, 56, 0.34);
  box-shadow: 0 12px 32px rgba(12, 12, 13, 0.08);
}

.plan-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
}

.plan-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(31, 46, 56, 0.08);
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
}

.plan-card h3 {
  margin: 0 0 12px;
  font-size: 34px;
  line-height: 1.1;
  font-weight: 600;
}

.plan-text {
  margin: 0 0 20px;
  color: var(--text-secondary);
}

.plan-list {
  margin: 0;
  padding-left: 20px;
  color: var(--text-primary);
}

.plan-list li + li {
  margin-top: 10px;
}

.payment-summary-card {
  background: var(--surface);
  border: var(--border-soft);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow-soft);
}

.summary-head {
  margin-bottom: 20px;
}

.summary-head h3 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
  font-weight: 600;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
  border-top: 1px solid rgba(17, 17, 17, 0.08);
  color: var(--text-primary);
}

.summary-row:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.summary-row span {
  color: var(--text-secondary);
}

.summary-total strong {
  font-size: 22px;
}

.payment-check {
  margin-top: 10px;
  padding-top: 18px;
  border-top: 1px solid rgba(17, 17, 17, 0.08);
}

.payment-actions {
  margin-top: 20px;
}

@media (max-width: 980px) {
  .paiement-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .plans-grid {
    grid-template-columns: 1fr;
  }

  .plan-card h3 {
    font-size: 28px;
  }

  .payment-summary-card {
    padding: 22px;
  }
}

.confirmation-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.confirmation-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.confirmation-card {
  background: var(--surface);
  border: var(--border-soft);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow-soft);
}

.confirmation-success {
  border: 1px solid rgba(67, 163, 71, 0.22);
  background: linear-gradient(180deg, rgba(67, 163, 71, 0.05), rgba(255, 255, 255, 0.96));
}

.confirmation-kicker {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--success);
}

.confirmation-card h2 {
  margin: 0 0 12px;
  font-size: 32px;
  line-height: 1.15;
  font-weight: 600;
}

.confirmation-card p:last-child {
  margin-bottom: 0;
}

.next-steps-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.next-step-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  align-items: start;
}

.next-step-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

.next-step-item p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 16px;
}

.resource-placeholder {
  margin-top: 10px;
}

.resource-box {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
  border: 1px dashed rgba(31, 46, 56, 0.24);
  border-radius: 14px;
  background: rgba(31, 46, 56, 0.03);
}

.resource-title {
  font-weight: 600;
  color: var(--text-primary);
}

.resource-status {
  color: var(--text-secondary);
  font-size: 15px;
  text-align: right;
}

.confirmation-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

@media (max-width: 980px) {
  .confirmation-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .confirmation-card {
    padding: 22px;
  }

  .resource-box {
    flex-direction: column;
    align-items: start;
  }

  .resource-status {
    text-align: left;
  }

  .confirmation-actions {
    flex-direction: column;
  }
}