html, body { overflow-x: hidden; max-width: 100vw; }

  :root {
    --surface: var(--color-neutral-850);
    --surface-card: var(--color-neutral-800);
    --surface-deep: var(--color-neutral-900);
    --accent: var(--color-brand-accent);
    --accent-bright: var(--color-brand-accent-bright);
    --text-primary: var(--color-neutral-100);
    --text-secondary: var(--color-neutral-400);
    --border-subtle: rgba(255,255,255,0.07);
  }

  .connexion-hero {
    background: var(--gradient-hero);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl) var(--spacing-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: var(--spacing-3xl);
  }

  .connexion-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(var(--color-brand-glow), 0.18) 0%, transparent 70%);
    pointer-events: none;
  }

  .connexion-hero .section-label {
    margin-bottom: var(--spacing-sm);
  }

  .connexion-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md);
    line-height: 1.15;
  }

  .connexion-hero p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.7;
  }

  .steps-section {
    margin-bottom: var(--spacing-3xl);
  }

  .steps-section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
  }

  .steps-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    counter-reset: step-counter;
  }

  .step-item {
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-md);
    position: relative;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    counter-increment: step-counter;
  }

  .step-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-brand);
    border-color: var(--accent);
  }

  .step-number {
    width: 44px;
    height: 44px;
    background: var(--gradient-brand);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--color-neutral-white);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-accent);
  }

  .step-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
  }

  .mobile-section {
    margin-bottom: var(--spacing-3xl);
  }

  .mobile-section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
  }

  .mobile-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
  }

  @media (max-width: 600px) {
    .mobile-features { grid-template-columns: 1fr; }
  }

  .mobile-feature-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }

  .mobile-feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
  }

  .mobile-feature-icon {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
  }

  .mobile-feature-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs);
  }

  .mobile-feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
  }

  .register-promo {
    background: var(--gradient-brand);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl) var(--spacing-xl);
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    box-shadow: var(--shadow-brand);
    position: relative;
    overflow: hidden;
  }

  .register-promo::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: var(--gradient-brand);
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.5;
    filter: blur(16px);
  }

  .register-promo h2 {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--color-neutral-white);
    margin: 0 0 var(--spacing-sm);
  }

  .register-promo p {
    color: rgba(255,255,255,0.85);
    font-size: 1rem;
    margin: 0 0 var(--spacing-lg);
    line-height: 1.6;
  }

  .tips-section {
    margin-bottom: var(--spacing-3xl);
  }

  .tips-section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
  }

  .tips-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .tip-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background: var(--surface-card);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: border-left-color var(--transition-base), box-shadow var(--transition-base);
  }

  .tip-item:hover {
    border-left-color: var(--accent-bright);
    box-shadow: var(--shadow-md);
  }

  .tip-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
  }

  .tip-content strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 2px;
  }

  .tip-content span {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
  }

  .divider-glow {
    margin: var(--spacing-3xl) 0;
  }

  .faq-section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
  }

  .accordion-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .accordion-item {
    background: var(--surface-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-base);
  }

  .accordion-item:hover {
    border-color: rgba(255,255,255,0.15);
  }

  .accordion-trigger {
    width: 100%;
    background: none;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-fast);
  }

  .accordion-trigger:hover {
    background: rgba(255,255,255,0.04);
  }

  .accordion-trigger h3 {
    font-family: var(--font-primary);
    font-size: 0.97rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.5;
  }

  .accordion-arrow {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base), background var(--transition-base);
    color: var(--accent);
    font-size: 0.8rem;
  }

  .accordion-item.is-open .accordion-arrow {
    transform: rotate(180deg);
    background: var(--gradient-brand);
    color: var(--color-neutral-white);
  }

  .accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-base);
    padding: 0 var(--spacing-lg);
  }

  .accordion-item.is-open .accordion-body {
    max-height: 300px;
    padding: 0 var(--spacing-lg) var(--spacing-md);
  }

  .accordion-body p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    margin: 0;
  }

  @media (max-width: 768px) {
    .connexion-hero { padding: var(--spacing-xl) var(--spacing-md); }
    .steps-timeline { grid-template-columns: 1fr; }
    .register-promo { padding: var(--spacing-xl) var(--spacing-md); }
    .tip-item { padding: var(--spacing-md); }
  }