/* Ajustes de ergonomia para telas pequenas. O visual de desktop permanece intacto. */
.mobile-account-link { display: none; }

@media (max-width: 800px) {
  html { scroll-padding-top: 82px; }
  body { overflow-x: hidden; }
  .site-header { background: rgba(7, 16, 31, 0.96); }
  .nav-wrap { gap: 12px; }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    min-width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid #1b4768;
    border-radius: 10px;
    background: rgba(2, 201, 245, 0.06);
  }

  .menu-toggle:focus-visible,
  .main-nav a:focus-visible,
  .button:focus-visible,
  .filter-button:focus-visible,
  .social-links a:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
  }

  .main-nav {
    max-height: calc(100vh - 69px);
    padding: 10px 17px 17px;
    overflow-y: auto;
    background: rgba(10, 21, 40, 0.99);
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.25);
  }

  .main-nav a {
    display: flex;
    align-items: center;
    min-height: 47px;
    padding: 12px 4px;
    border-bottom: 1px solid rgba(26, 45, 77, 0.78);
  }

  .mobile-account-link {
    display: flex !important;
    align-items: center;
    justify-content: center;
    min-height: 48px !important;
    margin-top: 12px;
    padding: 0 16px !important;
    border: 1px solid var(--cyan) !important;
    border-radius: 10px;
    color: var(--cyan) !important;
    background: rgba(2, 201, 245, 0.07);
  }

  .button,
  .filter-button,
  .project-link,
  .service-card a,
  .service-card-action,
  .open-project-footer a,
  .home-open-card > b { min-height: 44px; }

  .text-link { display: inline-flex; align-items: center; min-height: 44px; }
  .hero-content { gap: 34px; padding-top: 58px; padding-bottom: 58px; }
  .hero-actions { margin-top: 30px; }
  .lead { font-size: 16px; line-height: 1.65; }
  .terminal-top { min-height: 48px; }
  .terminal-code { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  .section-heading p,
  .about-intro > p,
  .contact p,
  .system-copy > p,
  .project-detail-intro > p,
  .open-source-hero-content > p,
  .portfolio-hero-content > p { font-size: 16px; }

  .service-card,
  .value-card,
  .home-open-card,
  .open-project,
  .portfolio-project,
  .system-feature,
  .project-card { scroll-margin-top: 82px; }

  .service-card,
  .value-card { padding: 24px; }
  .project-body,
  .portfolio-project-body { padding: 24px 21px; }
  .project-art { height: 138px; padding: 42px 24px; }
  .portfolio-project .project-art { height: 158px; padding: 48px 26px; }
  .timeline-item { align-items: flex-start; padding: 18px; }
  .timeline-item > span { min-width: 51px; height: 51px; }
  .stat-grid { gap: 28px 12px; }
  .stat-grid span { line-height: 1.35; }

  .contact-form input,
  .contact-form select,
  .contact-form textarea,
  .access-card input,
  .account-card input,
  .admin-editor input,
  .admin-editor textarea,
  .admin-editor select,
  .admin-content-card input,
  .admin-content-card textarea {
    min-height: 46px;
    font-size: 16px;
  }

  .contact-form textarea,
  .admin-editor textarea,
  .admin-content-card textarea { min-height: 120px; }
  .social-links a { width: 44px; height: 44px; }
}

@media (max-width: 620px) {
  .footer-main { grid-template-columns: 1fr; gap: 30px; }
  .footer-brand { grid-column: auto; }
  .footer-column { gap: 10px; }
  .portfolio-numbers { gap: 15px; }
  .portfolio-numbers div { min-width: 0; }
  .open-project-footer { align-items: flex-start; flex-direction: column; gap: 12px; }
  .open-project-footer > span { max-width: none; }
  .preview-metrics { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 500px) {
  .container { width: min(100% - 30px, 1180px); }
  h1,
  .contact-intro h1,
  .account-intro h1 { font-size: 39px; }

  .hero-actions,
  .project-actions { display: grid; grid-template-columns: 1fr; width: 100%; }

  .hero-actions .button,
  .project-actions .button,
  .contact .hero-actions .button,
  .open-source-cta .hero-actions .button,
  .portfolio-cta .hero-actions .button,
  .system-cta .hero-actions .button { width: 100%; min-height: 52px; }

  .terminal-top { gap: 9px; padding: 0 12px; }
  .terminal-top .dots { gap: 5px; }
  .terminal-top .dots i { width: 11px; height: 11px; }
  .terminal-top small { font-size: 10px; }
  .terminal-code { padding: 20px 16px; font-size: 10px; }
  .portfolio-title,
  .home-open-source-heading { align-items: flex-start; }
  .portfolio-title .text-link,
  .home-open-source-heading .text-link { min-width: 44px; justify-content: flex-end; }
  .timeline-item { gap: 14px; }
  .timeline-item > span { min-width: 47px; height: 47px; font-size: 11px; }
  .why-card { padding: 25px 20px; }
  .why-card li { display: flex; align-items: flex-start; line-height: 1.5; }
  .why-card li::before { flex: 0 0 auto; margin-top: 3px; }
  .contact-promises { gap: 15px; }
  .contact-email { overflow-wrap: anywhere; }
  .form-heading { align-items: flex-start; }
  .form-symbol { flex: 0 0 auto; }
  .project-overview,
  .system-segments-card,
  .contact-form { border-radius: 14px; }
  .admin-nav { max-width: calc(100vw - 135px); }
  .admin-nav button { min-height: 38px; }
}

@media (max-width: 390px) {
  .brand img { width: 112px; }
  .eyebrow { font-size: 10px; }
  .portfolio-numbers strong { font-size: 22px; }
  .portfolio-numbers span { font-size: 8px; }
  .preview-metrics { grid-template-columns: 1fr; }
}

@media (hover: none) {
  .button:hover,
  .home-open-card:hover,
  .open-project:hover,
  .portfolio-project:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}