/**
 * FloatHeavy Responsive CSS
 * Mobile-first breakpoints and responsive adjustments
 *
 * Breakpoints:
 * - Mobile: < 640px
 * - Tablet: 640px - 1024px
 * - Desktop: > 1024px
 */

/* ============================================
   Tablet and Below (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
  /* Typography adjustments */
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
  }

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

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

  .grid-sidebar,
  .grid-sidebar-left {
    grid-template-columns: 1fr;
  }

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

  /* Hero split layout */
  .hero-split {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero-split .hero-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
  }

  .hero-split .hero-cta {
    justify-content: center;
  }

  .hero-image-wrapper {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
    max-width: none;
    text-align: center;
    margin-bottom: var(--space-lg);
  }

  .footer-brand img {
    margin-left: auto;
    margin-right: auto;
  }

  .footer-social {
    justify-content: center;
  }

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

/* ============================================
   Mobile Navigation (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
  /* Show mobile toggle */
  .nav-toggle {
    display: flex;
  }

  /* Mobile menu styles */
  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 320px;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 100px var(--space-xl) var(--space-xl);
    background-color: var(--color-background);
    box-shadow: var(--shadow-xl);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
  }

  .nav-menu-open {
    transform: translateX(0);
  }

  .nav-item {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-link {
    padding: var(--space-md) 0;
    font-size: var(--font-size-lg);
  }

  .nav-cta {
    margin-left: 0;
    margin-top: var(--space-lg);
    width: 100%;
  }

  .nav-cta .btn {
    width: 100%;
  }

  /* Body scroll lock when nav is open */
  body.nav-open {
    overflow: hidden;
  }

  /* Mobile menu backdrop (optional) */
  .nav-menu::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 320px;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
  }

  .nav-menu-open::before {
    opacity: 1;
    visibility: visible;
  }
}

/* ============================================
   Mobile (max-width: 640px)
   ============================================ */
@media (max-width: 640px) {
  /* Typography adjustments */
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
    --space-4xl: 4rem;
    --space-3xl: 3rem;
  }

  /* Container padding */
  .container {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  /* Section padding */
  .section {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
  }

  .section-lg {
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-4xl);
  }

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

  /* Gap reduction */
  .grid {
    gap: var(--space-lg);
  }

  /* Hero adjustments */
  .hero {
    padding-top: calc(80px + var(--space-2xl));
  }

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

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  /* Buttons full width on mobile */
  .btn-mobile-full {
    width: 100%;
  }

  /* Service cards */
  .service-card {
    padding: var(--space-lg);
  }

  /* Testimonials */
  .testimonial-card {
    padding: var(--space-lg);
  }

  .testimonial-text {
    font-size: var(--font-size-base);
  }

  .testimonial-featured .testimonial-text {
    font-size: var(--font-size-lg);
  }

  /* CTA buttons */
  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
  }

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

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

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

  .stat-number {
    font-size: var(--font-size-3xl);
  }

  /* Team */
  .team-photo {
    width: 150px;
    height: 150px;
  }

  /* Hide on mobile */
  .hide-mobile {
    display: none !important;
  }
}

/* ============================================
   Small Mobile (max-width: 400px)
   ============================================ */
@media (max-width: 400px) {
  :root {
    --font-size-5xl: 1.75rem;
    --font-size-4xl: 1.5rem;
  }

  .nav {
    height: 70px;
  }

  .nav-logo img {
    height: 32px;
  }

  .hero {
    padding-top: calc(70px + var(--space-2xl));
  }

  /* Stats single column */
  .stats {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Show on Mobile Only
   ============================================ */
.show-mobile {
  display: none !important;
}

@media (max-width: 640px) {
  .show-mobile {
    display: block !important;
  }

  .show-mobile.flex {
    display: flex !important;
  }

  .show-mobile.inline-flex {
    display: inline-flex !important;
  }
}

/* ============================================
   Hide on Desktop
   ============================================ */
@media (min-width: 1025px) {
  .hide-desktop {
    display: none !important;
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .header,
  .footer,
  .nav-toggle,
  .btn,
  .cta {
    display: none !important;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  a {
    text-decoration: underline;
    color: #000;
  }

  .section {
    padding: 1rem 0;
    page-break-inside: avoid;
  }
}