/* ==========================================================================
   Responsividade — Media Queries
   ========================================================================== */

@media (max-width: 1200px) {
  .container {
    max-width: 100%;
    padding: 0 24px;
  }
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .countdown-grid {
    grid-template-columns: 1fr;
  }
  .metrics-inner {
    grid-template-columns: repeat(3, 1fr);
  }
  .metric:nth-child(3n) {
    border-right: none;
  }
  .metric:nth-child(n+4) {
    border-top: 1px solid var(--line);
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .step {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .step:last-child {
    border-bottom: none;
  }
}

@media (max-width: 900px) {
  .metrics-inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .metric:nth-child(2n) {
    border-right: none;
  }
  .metric:nth-child(n+3) {
    border-top: 1px solid var(--line);
  }
  .countdown {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero {
    padding: 64px 0 48px;
  }
  section.block {
    padding: 56px 0;
  }
}

@media (max-width: 720px) {
  .container {
    padding: 0 20px;
  }

  nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 20px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(0,0,0,0.4);
    z-index: 60;
  }

  nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  nav.is-open a {
    justify-content: flex-start;
    padding: 12px 16px;
    border-bottom: 1px solid var(--line-2);
    font-size: 13px;
  }

  nav.is-open a:last-child {
    border-bottom: none;
  }

  .menu-toggle {
    display: block;
  }

  .topbar-right .topbar-item:not(:last-child) {
    display: none;
  }

  h1 {
    font-size: 34px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .section-head-left {
    flex-wrap: wrap;
  }

  .hero {
    padding: 56px 0;
  }

  section.block {
    padding: 56px 0;
  }

  .metrics-inner {
    grid-template-columns: 1fr;
  }
  .metric {
    border-right: none;
  }
  .metric:not(:first-child) {
    border-top: 1px solid var(--line);
  }

  .countdown {
    grid-template-columns: repeat(2, 1fr);
  }
  .countdown-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
    padding: 0 48px;
  }
  .hero {
    padding: 110px 0 90px;
  }
  section.block {
    padding: 100px 0;
  }
}

/* Preferência de redução de movimento */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .pulse {
    animation: none;
    opacity: 1;
  }
  .cmd-cursor {
    animation: none;
    opacity: 1;
  }
  .progress-fill {
    transition: none;
  }
}