/* ==========================================================================
   ASHWINI TRAVELS — RESPONSIVE STYLESHEET
   Mobile-First Refinements, Touch Ergonomics & Viewport Scaling
   ========================================================================== */

/* Universal Mobile Safety: Prevent horizontal page shifting */
html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

/* Base Mobile Sticky & Safe Area Handling */
@media (max-width: 768px) {
  body {
    padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px));
  }

  .mobile-sticky-bar {
    padding-bottom: env(safe-area-inset-bottom, 0px);
    height: calc(56px + env(safe-area-inset-bottom, 0px));
  }

  .floating-action-buttons {
    bottom: calc(76px + env(safe-area-inset-bottom, 0px));
    right: 16px;
    gap: 12px;
  }
}

/* Small Devices (Phones under 576px) */
@media (max-width: 575.98px) {
  .section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .hero-section {
    padding-top: 2rem;
    padding-bottom: 3rem;
  }

  .hero-title {
    font-size: clamp(1.8rem, 6.5vw, 2.5rem);
    line-height: 1.18;
  }

  .hero-description-3lines {
    font-size: 0.95rem;
    line-height: 1.45;
  }

  .hero-actions {
    gap: 0.85rem;
  }

  .booking-widget-card {
    padding: 1.25rem 1rem;
    border-radius: var(--radius-lg);
  }

  .widget-form-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .trip-type-selector {
    gap: 0.2rem;
  }

  .trip-type-btn {
    font-size: 0.75rem;
    padding: 0.45rem 0.2rem;
  }

  .fleet-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .vehicle-actions {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .conversion-cta-block {
    padding: 2rem 1.25rem;
    text-align: center;
  }

  .conversion-buttons {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

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

  .btn {
    padding: 0.75rem 1.1rem;
    width: 100%;
  }

  .header-actions .btn {
    width: auto;
    padding: 0.45rem 0.8rem;
    font-size: 0.8rem;
  }

  .table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-subtle);
  }

  .data-table {
    min-width: 580px;
    font-size: 0.85rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .footer-legal-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
  }
}

/* Extra-Small Phones (320px to 380px, e.g. iPhone SE, Fold) */
@media (max-width: 380px) {
  .container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .brand-link {
    font-size: 1.15rem;
  }

  .brand-badge {
    display: none; /* Hide small badge to prevent header cramping */
  }

  .hero-title {
    font-size: 1.65rem;
  }

  .floating-action-buttons {
    bottom: calc(72px + env(safe-area-inset-bottom, 0px));
    right: 12px;
    gap: 8px;
  }

  .floating-btn {
    width: 46px;
    height: 46px;
  }

  .floating-call-btn svg {
    width: 20px;
    height: 20px;
  }

  .floating-whatsapp-btn svg {
    width: 23px;
    height: 23px;
  }

  .sticky-action-btn {
    font-size: 0.75rem;
    gap: 0.25rem;
    padding: 0 0.25rem;
  }

  .sticky-action-btn svg {
    width: 15px;
    height: 15px;
  }
}

/* Medium Devices (Tablets 576px to 991px) */
@media (min-width: 576px) and (max-width: 991.98px) {
  .hero-grid {
    gap: 2.5rem;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

/* Touch Device Target Sizes (WCAG 2.2 Level AA min 44px) */
@media (pointer: coarse) {
  button, 
  .btn,
  .sticky-action-btn,
  .nav-link,
  .mobile-nav-link,
  .filter-btn,
  .faq-question-btn,
  .floating-btn {
    min-height: 44px;
    min-width: 44px;
  }
}

/* Accessibility Focus Rings */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 2px;
}

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

/* Print Stylesheet */
@media print {
  .site-header,
  .mobile-sticky-bar,
  .floating-action-buttons,
  .booking-widget-card,
  .conversion-cta-block,
  .menu-toggle-btn {
    display: none !important;
  }

  body {
    background: #FFFFFF;
    color: #000000;
  }
}