/* ============================================
   Responsive Styles - All Breakpoints
   ============================================ */

/* ---- Mobile (base, < 768px) ---- */

/* Navigation */
@media (max-width: 1023px) {
  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__mobile-panel {
    display: flex;
  }
}

/* ---- Small screens (< 768px) ---- */
@media (max-width: 767px) {
  /* Layout */
  .section {
    padding: var(--space-3xl) 0;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .section-header {
    margin-bottom: var(--space-2xl);
  }

  /* Grids collapse to single column */
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  /* Split layouts stack */
  .split {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .split--reverse {
    direction: ltr;
  }

  /* Hero */
  .hero {
    min-height: 85vh;
  }

  .hero__title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .hero__subtitle {
    font-size: var(--fs-body);
  }

  .scroll-indicator {
    display: none;
  }

  /* Page Hero */
  .page-hero {
    min-height: 40vh;
  }

  .page-hero__content h1 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  /* Button groups */
  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-group .btn {
    text-align: center;
  }

  /* Tab group */
  .tab-group {
    flex-direction: column;
    width: 100%;
    border-radius: var(--radius-md);
  }

  .tab-btn {
    width: 100%;
    text-align: center;
  }

  /* How it works diagram - hide on mobile */
  .how-it-works__diagram {
    display: none;
  }

  /* Stats grid */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  /* Integration row */
  .integration-row {
    gap: var(--space-lg);
  }

  .integration-item img {
    width: 56px;
    height: 56px;
  }

  /* Pricing cards */
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

  .pricing-card--popular {
    transform: none;
  }

  .pricing-card--popular:hover {
    transform: translateY(-4px);
  }

  /* Billing toggle */
  .billing-toggle {
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Comparison table */
  .comparison-table-wrapper {
    margin: 0 calc(-1 * var(--space-md));
    border-radius: 0;
  }

  /* Contact grid */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  /* Feature blocks */
  .feature-block {
    margin-bottom: var(--space-3xl);
  }

  /* Team grid */
  .team-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  /* Form radio group */
  .form-radio-group {
    flex-direction: column;
  }

  /* Protocol grid */
  .protocol-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  /* Telemetry grid */
  .telemetry-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Tablet (768px - 1023px) ---- */
@media (min-width: 768px) and (max-width: 1023px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Pricing */
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-card--popular {
    transform: none;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  /* Team */
  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Feature blocks */
  .split {
    gap: var(--space-2xl);
  }

  /* Protocol grid */
  .protocol-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---- Desktop (1024px+) ---- */
@media (min-width: 1024px) {
  /* Navigation shows full links */
  .nav__links {
    display: flex;
  }

  .nav__toggle {
    display: none;
  }

  .nav__mobile-panel {
    display: none !important;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }

  /* Protocol grid */
  .protocol-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- Wide Desktop (1400px+) ---- */
@media (min-width: 1400px) {
  .container {
    padding: 0 var(--space-xl);
  }
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal,
  .reveal--left,
  .reveal--right,
  .reveal--scale {
    opacity: 1;
    transform: none;
  }
}