/* ========================================
   RESPONSIVE BREAKPOINTS
   Mobile-first: 375px → 768px → 1024px → 1280px
   ======================================== */

/* --- Tablet (max 1024px) --- */
@media (max-width: 1024px) {
  :root {
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
    --text-3xl: 1.5rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero-image {
    max-width: 600px;
    margin: 0 auto;
  }

  .problem-cards,
  .solution-grid,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps::before {
    display: none;
  }

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

  .case-study-card {
    grid-template-columns: 1fr;
  }

  .compliance-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  /* Specific grid overrides   keep 3 cols at tablet to avoid orphans */
  .agents-grid { grid-template-columns: repeat(3, 1fr); }
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
}

/* --- Mobile (max 768px) --- */
@media (max-width: 768px) {
  :root {
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --text-3xl: 1.375rem;
    --text-2xl: 1.25rem;
  }

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

  .section {
    padding: var(--space-3xl) 0;
  }

  /* Navigation */
  .nav-links,
  .nav-cta .btn-secondary {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: var(--space-3xl);
  }

  .hero-text h1 {
    font-size: var(--text-4xl);
  }

  .hero-ctas {
    flex-direction: column;
    gap: var(--space-md);
  }

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

  .trust-strip {
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
  }

  /* Cards */
  .problem-cards,
  .solution-grid,
  .steps {
    grid-template-columns: 1fr;
  }

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

  .stat-item .number {
    font-size: var(--text-4xl);
  }

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

  /* Persona tabs */
  .persona-tabs {
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  /* Case study */
  .case-study-card {
    padding: var(--space-xl);
  }

  .case-study-card .missed-by {
    flex-wrap: wrap;
  }

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

  .comparison-table th,
  .comparison-table td {
    padding: var(--space-md);
    font-size: var(--text-xs);
  }

  /* FAQ */
  .faq-question {
    font-size: var(--text-base);
    padding: var(--space-lg) 0;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  /* Specific overrides that must NOT collapse to 1-col */
  .timeline-grid { grid-template-columns: repeat(2, 1fr); }
  .agents-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }

  /* CTA section */
  .cta-section {
    padding: var(--space-3xl) 0;
  }
}

/* --- Small Mobile (max 480px) --- */
@media (max-width: 480px) {
  :root {
    --text-5xl: 1.75rem;
    --text-4xl: 1.5rem;
  }

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .compliance-grid {
    grid-template-columns: 1fr 1fr;
  }

  .card {
    padding: var(--space-xl);
  }

  .btn-large {
    padding: 0.875rem 1.75rem;
    font-size: var(--text-base);
  }
}

/* --- Desktop Large (min 1400px) --- */
@media (min-width: 1400px) {
  .container {
    max-width: 1300px;
  }
}