/* MTEC · estilos exclusivos da página inicial */

  nav {
    display: flex;
    align-items: center;
    gap: 36px;
  }

  nav a {
    color: var(--fg-muted);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    white-space: nowrap;
    transition: color 0.2s ease;
  }

  nav a:hover, nav a:focus-visible { color: var(--fg); }

  nav a:focus-visible { outline: 1px solid var(--border-strong); outline-offset: 4px; border-radius: 2px; }

  .cta {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--fg);
    color: #0d0d0f;
    border: none;
    border-radius: 999px;
    padding: 10px 20px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .mobile-panel .cta { margin-top: 16px; justify-content: center; }

  @media (prefers-reduced-motion: reduce) {
    .mobile-panel, .scrim, .cta, nav a { transition: none; }
  }

  @media (max-width: 820px) {
    nav { display: none; }
    .menu-toggle { display: flex; }
    header .cta { display: none; }
  }

  .hero {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 56px;
    padding-block: 64px 56px;
  }

  .hero h1 {
    margin: 0 0 20px;
    font-size: clamp(2.1rem, 4.4vw, 3.1rem);
    line-height: 1.12;
    font-weight: 700;
    letter-spacing: -0.01em;
    text-wrap: balance;
  }

  .hero .lede {
    margin: 0 0 32px;
    max-width: 46ch;
    color: var(--fg-muted);
    font-size: 1.02rem;
    line-height: 1.6;
  }

  .hero-ctas {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--fg);
    color: #0d0d0f;
    border: none;
    border-radius: 10px;
    padding: 14px 24px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.2s ease;
  }

  .btn-primary svg { width: 18px; height: 18px; flex-shrink: 0; }

  .btn-primary:hover { opacity: 0.88; }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    color: var(--fg);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    padding: 14px 4px;
  }

  .btn-ghost svg { width: 16px; height: 16px; transition: transform 0.2s ease; }

  .btn-ghost:hover svg { transform: translateX(3px); }

  .btn-primary:focus-visible, .btn-ghost:focus-visible {
    outline: 2px solid var(--border-strong);
    outline-offset: 3px;
  }

  .hero-visual {
    aspect-ratio: 1 / 1;
    width: 100%;
    max-width: 480px;
    margin-inline: auto;
    border: 1px dashed var(--border-strong);
    border-radius: 18px;
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px;
  }

  .hero-visual-label {
    color: var(--fg-muted);
    font-size: 0.85rem;
    line-height: 1.6;
  }

  .hero-visual-label strong {
    display: block;
    color: var(--fg);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 6px;
  }

  .section-title {
    margin: 0 0 16px;
    font-size: clamp(1.2rem, 2vw, 1.45rem);
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
  }

  .about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 56px;
    border-top: 1px solid var(--border);
    padding-block: 64px;
  }

  .about-content { max-width: 480px; }

  .about-visual {
    aspect-ratio: 1 / 1;
    width: 100%;
    max-width: 320px;
    margin-inline: auto;
    border: 1px solid var(--border);
    border-radius: 18px;
    background-color: var(--bg-elevated);
    background-image:
      linear-gradient(var(--border) 1px, transparent 1px),
      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 26px 26px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .about-visual svg {
    width: 58%;
    height: 58%;
    color: var(--fg);
  }

  .projects {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 48px;
    align-items: start;
    border-top: 1px solid var(--border);
    padding-block: 64px;
  }

  .projects-intro .lede { margin-bottom: 28px; }

  .projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .project-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.25s ease, transform 0.25s ease;
  }

  .project-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-3px);
  }

  .project-card.is-upcoming { opacity: 0.6; }

  .project-card.is-upcoming:hover { transform: none; }

  .project-thumb {
    aspect-ratio: 3 / 2;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .project-thumb { position: relative; overflow: hidden; }

  .project-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

  .project-thumb svg {
    width: 26px;
    height: 26px;
    color: var(--fg-muted);
  }

  .project-info { padding: 14px 16px 16px; }

  .project-name {
    margin: 0 0 4px;
    font-size: 0.95rem;
    font-weight: 600;
  }

  .project-category {
    margin: 0;
    font-size: 0.8rem;
    color: var(--fg-muted);
  }

  .process {
    border-top: 1px solid var(--border);
    padding-block: 64px;
  }

  .process-head { margin-bottom: 44px; }

  .process-head .lede { margin-bottom: 0; }

  .process-steps {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
  }

  .process-steps::before {
    content: "";
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    height: 1px;
    background: var(--border);
  }

  .process-step {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .process-number {
    position: relative;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-strong);
    border-radius: 50%;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
  }

  .process-step-text {
    margin: 0;
    max-width: 22ch;
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--fg-muted);
  }

  .process-cta {
    display: flex;
    justify-content: flex-end;
    margin-top: 36px;
  }

  @media (max-width: 900px) {
    .process-steps {
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .process-steps::before { display: none; }
    .process-step-text { max-width: none; }
    .process-cta { justify-content: flex-start; }
  }

  .experiments {
    border-top: 1px solid var(--border);
    padding-block: 64px;
  }

  .experiments-head { margin-bottom: 32px; }

  .experiments-head .lede { margin-bottom: 0; }

  .experiments-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .experiment-more {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-align: center;
    border: 1px dashed var(--border-strong);
    border-radius: 14px;
    padding: 24px 16px;
    text-decoration: none;
    color: var(--fg-muted);
    transition: border-color 0.25s ease, color 0.25s ease;
  }

  .experiment-more svg { width: 20px; height: 20px; }

  .experiment-more:hover {
    border-color: var(--fg-muted);
    color: var(--fg);
  }

  .experiment-more span {
    font-size: 0.85rem;
    font-weight: 500;
  }

  @media (max-width: 900px) {
    .experiments-grid { grid-template-columns: repeat(2, 1fr); }
  }

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

  .cta-wrap {
    border-top: 1px solid var(--border);
    padding-block: 64px;
  }

  .cta-panel {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
    gap: 48px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 48px;
  }

  .cta-visual {
    aspect-ratio: 1 / 1;
    width: 100%;
    max-width: 280px;
    margin-inline: auto;
    border: 1px dashed var(--border-strong);
    border-radius: 18px;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
  }

  .cta-content h2 {
    margin: 0 0 16px;
    font-size: clamp(1.6rem, 3.2vw, 2.2rem);
    font-weight: 700;
    line-height: 1.22;
    letter-spacing: -0.01em;
    text-wrap: balance;
  }

  .cta-content > .lede { margin-bottom: 28px; }

  .cta-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    max-width: 320px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg);
    padding: 22px;
  }

  .cta-card-title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
  }

  .cta-card-desc {
    margin: 0;
    font-size: 0.85rem;
    color: var(--fg-muted);
  }

  .cta-card-text {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  @media (max-width: 900px) {
    .cta-panel {
      grid-template-columns: 1fr;
      padding: 32px 24px;
      gap: 28px;
      border-radius: 20px;
    }
    .cta-visual { max-width: 220px; order: -1; }
  }

  .hero-visual[data-cube], .cta-visual[data-cube] { border: none; background: transparent; padding: 0; }

  .footer-tagline {
    margin: 0 0 20px;
    max-width: 30ch;
    font-size: 0.85rem;
    color: var(--fg-muted);
    line-height: 1.55;
  }

  .footer-bottom {
    border-top: 1px solid var(--border);
    padding-block: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--fg-muted);
  }

  @media (max-width: 900px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid .footer-brand { grid-column: 1 / -1; }
  }

  @media (max-width: 600px) {
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  }

  .services-section {
    border-top: 1px solid var(--border);
    padding-block: 40px 64px;
  }

  .services {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
  }

  .service {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 22px 18px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: transparent;
    transition: border-color 0.25s ease, background 0.25s ease;
  }

  .service:hover {
    border-color: var(--border-strong);
    background: color-mix(in srgb, var(--fg) 4%, transparent);
  }

  .service-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-strong);
    border-radius: 9px;
    flex-shrink: 0;
  }

  .service-icon svg {
    width: 19px;
    height: 19px;
    color: var(--fg);
  }

  .service-title {
    margin: 0;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1.35;
  }

  @media (max-width: 900px) {
    .hero {
      grid-template-columns: 1fr;
      padding-block: 40px 40px;
      gap: 40px;
    }
    .hero-visual { max-width: 360px; order: -1; }
    .services { grid-template-columns: repeat(3, 1fr); }
    .about { grid-template-columns: 1fr; gap: 32px; padding-block: 48px; }
    .about-visual { max-width: 240px; }
    .projects { grid-template-columns: 1fr; gap: 28px; padding-block: 48px; }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
  }

  @media (max-width: 600px) {
    .services { grid-template-columns: 1fr; }
    .service { flex-direction: row; align-items: center; }
    .projects-grid { grid-template-columns: 1fr; }
  }