/**
 * ============================================================================
 * STEADFAST AIRLINES HOLIDAYS & TOURS - RESPONSIVE STYLESHEET
 * 100% Mobile Responsive Optimization Engine
 * Tested on iPhone (SE, 12, 13, 14, 15, Pro Max), Android (Galaxy S, Pixel, Xiaomi),
 * Tablets (iPad Mini, iPad Air, Pro), and High-DPI Displays.
 * Version: 3.0.0 (Ultimate Mobile Edition)
 * ============================================================================
 */

/* ----------------------------------------------------------------------------
   1. GLOBAL RESPONSIVE RESET & BASE BEHAVIOR
   ---------------------------------------------------------------------------- */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  box-sizing: border-box;
}

*, *::before, *::after {
  box-sizing: inherit;
}

html, body {
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  position: relative;
}

/* Touch-friendly interactive targets (min 44px accessibility standard) */
button,
.btn,
.nav-link,
.mobile-nav-link,
.drawer-close-btn,
.modal-close-btn,
.counter-btn,
.faq-question,
.itinerary-tab-btn,
.mobile-action-btn-circle {
  min-height: 44px;
  touch-action: manipulation;
}

/* Prevent iOS text auto-zoom on form inputs */
input, select, textarea {
  font-size: 16px;
}

/* Responsive Image Guard */
img, svg, picture, video {
  max-width: 100%;
  height: auto;
}

/* ----------------------------------------------------------------------------
   2. DESKTOP & LARGE LAPTOPS (max-width: 1200px)
   ---------------------------------------------------------------------------- */
@media screen and (max-width: 1200px) {
  :root {
    --container-max: 1080px;
  }

  .nav-menu {
    gap: 1.25rem;
  }

  .hero-title {
    font-size: 3.4rem;
  }

  .bridge-grid {
    gap: 3rem;
  }

  .frame-image {
    height: 400px;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
  }
}

/* ----------------------------------------------------------------------------
   3. TABLET LANDSCAPE & MEDIUM SCREENS (max-width: 1024px)
   ---------------------------------------------------------------------------- */
@media screen and (max-width: 1024px) {
  :root {
    --container-max: 920px;
  }

  .section-py {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .section-py-lg {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  /* Navigation Drawer Switch */
  .nav-menu {
    display: none !important;
  }

  .hamburger-btn {
    display: flex !important;
  }

  .header-actions .btn-gold {
    display: none !important;
  }

  /* Grids & Columns */
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

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

  /* Service Detail Rows (services.php) */
  .service-detail-row,
  .service-detail-row.service-detail-reverse {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 4rem;
  }

  .service-detail-row.service-detail-reverse .service-detail-content {
    order: 1;
  }

  .service-detail-row.service-detail-reverse .service-detail-img-wrap {
    order: 2;
  }

  .service-detail-img {
    height: 320px;
  }

  /* About Story Grid */
  .about-story-grid {
    gap: 2.5rem;
  }

  .about-story-img {
    height: 360px;
  }

  /* Itinerary Card Layout */
  .itinerary-card {
    grid-template-columns: 1fr;
  }

  .itinerary-media-side {
    min-height: 280px;
  }

  .itinerary-content-side {
    padding: 2.5rem 2rem;
  }

  /* Comparison Matrix */
  .table-scroll-hint {
    display: inline-flex;
  }
}

/* ----------------------------------------------------------------------------
   4. TABLET PORTRAIT & PHABLETS (max-width: 900px)
   ---------------------------------------------------------------------------- */
@media screen and (max-width: 900px) {
  .experience-intro-grid,
  .food-showcase-grid,
  .rooms-gold-grid,
  .about-gold-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .food-main-img {
    height: 340px;
  }

  .experience-main-img {
    height: 340px;
  }

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

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

  .couture-grid img {
    height: 340px;
  }

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

  .escape-strip-grid img {
    height: 200px;
  }

  .journey-grid-top {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .journey-grid-top img {
    height: 240px;
  }

  .journey-grid-bottom {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .journey-grid-bottom img {
    height: 240px;
  }
}

/* ----------------------------------------------------------------------------
   5. STANDARD MOBILE BREAKPOINT (max-width: 768px)
   ---------------------------------------------------------------------------- */
@media screen and (max-width: 768px) {
  /* Prevent content cutoff by bottom mobile action bar with iOS safe area */
  body {
    padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px));
  }

  /* Section Spacing */
  .section-py {
    padding-top: 3.25rem;
    padding-bottom: 3.25rem;
  }

  .section-py-lg {
    padding-top: 3.75rem;
    padding-bottom: 3.75rem;
  }

  /* Pre-Header Announcement Bar */
  .pre-header {
    padding: 0.5rem 0;
  }

  .pre-header .container {
    flex-direction: column;
    gap: 0.45rem;
    text-align: center;
  }

  .announcement-text {
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.78rem;
    line-height: 1.4;
  }

  .announcement-badge {
    font-size: 0.65rem;
    padding: 0.15rem 0.55rem;
  }

  .pre-header-contacts {
    gap: 0.75rem 1.25rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .pre-header-link {
    font-size: 0.78rem;
  }

  /* Header Container */
  .header-container {
    padding: 0.75rem 1rem;
  }

  .brand-logo img, .brand-logo svg {
    height: 38px;
    max-width: 180px;
    width: auto;
  }

  .header-actions {
    gap: 0.85rem;
  }

  .header-actions .btn-whatsapp-icon {
    width: 38px;
    height: 38px;
    font-size: 1.15rem;
  }

  .hamburger-btn {
    width: 30px;
    height: 24px;
  }

  /* Official Partnership Banner */
  .partnership-banner-section {
    padding: 1.5rem 1rem 1.25rem 1rem;
  }

  .partnership-heading {
    font-size: clamp(0.85rem, 2.5vw, 1.15rem);
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
  }

  .partnership-jam-image {
    max-width: 230px;
    border-radius: 14px;
  }

  /* Exodus Top Holiday Banner */
  .top-banner-section {
    padding: 1rem 0;
  }

  .exodus-banner-card {
    border-radius: 18px;
  }

  .exodus-banner-card .ring-bg {
    border-radius: 16px;
  }

  .exodus-img-box {
    border-radius: 14px;
  }

  .exodus-banner-content {
    padding: 10px 8px 8px;
  }

  .exodus-seal-badge {
    padding: 5px 14px;
    margin-bottom: 10px;
    gap: 8px;
    max-width: 95%;
  }

  .exodus-seal-sub {
    font-size: 0.62rem;
    letter-spacing: 0.12em;
  }

  .exodus-seal-main {
    font-size: 0.74rem;
    letter-spacing: 0.08em;
  }

  /* Page Hero on Subpages */
  .page-hero {
    padding: 3rem 0 2.25rem 0;
  }

  .page-hero-title {
    font-size: clamp(1.8rem, 5.5vw, 2.6rem);
    line-height: 1.2;
    margin-bottom: 0.85rem;
  }

  /* Grids & Cards */
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .grid-3 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .grid-4 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .pricing-card {
    padding: 2.25rem 1.5rem;
  }

  .price-amount {
    font-size: 2.6rem;
  }

  /* Section Titles */
  .experience-title,
  .food-title,
  .journey-title,
  .resort-choice-title,
  .couture-title,
  .rooms-gold-title,
  .about-gold-title,
  .escape-title,
  .pricing-strip-title {
    font-size: clamp(1.6rem, 5vw, 2.1rem);
    line-height: 1.25;
    word-break: break-word;
  }

  /* General Mobile Buttons - Allow wrapping to avoid horizontal blowout */
  .btn {
    white-space: normal !important;
    text-align: center;
    max-width: 100%;
    word-break: normal;
  }

  .btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
  }

  /* Button Sizing - Perfectly Proportioned for Mobile */
  .btn-book-now-green,
  .btn-book-now-black {
    font-size: 0.95rem;
    padding: 0.85rem 1.75rem;
    letter-spacing: 0.05em;
    width: 100%;
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
  }

  .btn-book-now-green.btn-book-now-lg,
  .btn-book-now-black.btn-book-now-lg {
    font-size: 1.05rem;
    padding: 0.95rem 2rem;
    letter-spacing: 0.06em;
  }

  /* Contact Page Responsive Elements */
  .contact-info-card {
    padding: 1.5rem 1.25rem;
    margin-bottom: 1.5rem;
  }

  .contact-section-title {
    font-size: clamp(1.5rem, 4.5vw, 1.85rem);
    margin-bottom: 1.25rem;
  }

  .contact-map-section {
    margin-top: 3.5rem;
  }

  .contact-map-box {
    height: 320px;
    border-radius: var(--radius-lg);
  }

  /* Service Detail Content Mobile */
  .service-detail-content {
    width: 100%;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
    box-sizing: border-box;
  }

  .service-detail-content p,
  .service-detail-content ul,
  .service-detail-content li {
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
  }

  .service-detail-content .btn {
    max-width: 100%;
  }

  /* Pricing Strip Actions */
  .pricing-strip-section {
    padding: 3.5rem 0;
  }

  .pricing-strip-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.85rem;
  }

  .pricing-strip-actions .btn {
    width: 100%;
    max-width: 380px;
    font-size: 0.88rem;
    padding: 0.85rem 1.25rem;
  }

  /* Image Heights */
  .experience-main-img {
    height: 270px;
    border-radius: 14px;
  }

  .food-main-img {
    height: 270px;
    border-radius: 14px;
  }

  .resort-choice-grid img {
    height: 190px;
    border-radius: 12px;
  }

  .couture-grid img {
    height: 280px;
    border-radius: 12px;
  }

  .rooms-gold-images img {
    height: 210px;
    border-radius: 14px;
  }

  .escape-strip-grid img {
    height: 170px;
  }

  .service-detail-img {
    height: 260px;
    border-radius: 14px;
  }

  .about-story-img {
    height: 280px;
    border-radius: 16px;
  }

  /* Comparison Matrix Table */
  .comparison-matrix-wrapper {
    padding: 1.25rem 0.75rem;
    border-radius: var(--radius-lg);
    -webkit-overflow-scrolling: touch;
  }

  .table-scroll-hint {
    display: inline-flex;
    font-size: 0.78rem;
    padding: 0.45rem 0.85rem;
  }

  .comparison-table th, .comparison-table td {
    padding: 0.75rem 0.65rem;
    font-size: 0.82rem;
  }

  /* 7-Day Itinerary Swipeable Native Mobile Tabs */
  .itinerary-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding: 0.25rem 0.5rem 0.85rem 0.5rem;
    gap: 0.5rem;
    margin-left: -0.5rem;
    margin-right: -0.5rem;
    margin-bottom: 2rem;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
  }

  .itinerary-tabs::-webkit-scrollbar {
    display: none;
  }

  .itinerary-tab-btn {
    flex-shrink: 0;
    white-space: nowrap;
    scroll-snap-align: start;
    padding: 0.55rem 1.05rem;
    font-size: 0.8rem;
  }

  .itinerary-card {
    border-radius: var(--radius-lg);
  }

  .itinerary-media-side {
    min-height: 220px;
  }

  .itinerary-content-side {
    padding: 1.75rem 1.25rem;
  }

  .itinerary-step-theme {
    font-size: 0.82rem;
    margin-bottom: 0.75rem;
  }

  .itinerary-step-title {
    font-size: 1.45rem;
    line-height: 1.3;
  }

  .itinerary-step-desc {
    font-size: 0.92rem;
    line-height: 1.65;
    margin-bottom: 1.25rem;
  }

  .itinerary-inclusions-tags {
    gap: 0.45rem;
    margin-bottom: 1.5rem;
  }

  .itinerary-tag {
    font-size: 0.78rem;
    padding: 0.35rem 0.7rem;
  }

  /* Contact Section */
  .contact-main-grid {
    gap: 2rem;
  }

  .contact-form-card {
    padding: 1.75rem 1.25rem;
    border-radius: var(--radius-lg);
  }

  /* Interactive Concierge Modal */
  .modal-overlay {
    padding: 0;
    align-items: flex-end; /* Sheet style on mobile */
  }

  .modal-dialog {
    max-height: 92vh;
    max-height: calc(100dvh - 20px);
    border-radius: 22px 22px 0 0;
    width: 100%;
    margin: 0;
  }

  .modal-header {
    padding: 1.5rem 3rem 1rem 1.25rem;
    position: relative;
    text-align: left;
  }

  .modal-close-btn {
    top: 1.15rem;
    right: 1.15rem;
    width: 40px;
    height: 40px;
  }

  .modal-title {
    font-size: 1.35rem;
    line-height: 1.25;
  }

  .modal-subtitle {
    font-size: 0.82rem;
  }

  .modal-body {
    padding: 1.25rem 1.25rem calc(2rem + env(safe-area-inset-bottom, 0px)) 1.25rem;
  }

  .modal-form-grid,
  .modal-form-grid-passengers {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .tier-choice-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .modal-actions-group {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .modal-actions-group .btn {
    width: 100%;
    min-height: 48px;
    font-size: 0.9rem;
  }

  /* Floating Mobile VIP Action Bar (Visible on Mobile) */
  .mobile-action-bar {
    display: block !important;
    padding: 0.65rem 0.85rem calc(0.65rem + env(safe-area-inset-bottom, 0px)) 0.85rem;
  }

  .mobile-action-grid {
    grid-template-columns: 46px 46px 1fr;
    gap: 0.65rem;
  }

  .mobile-action-btn-circle {
    width: 44px;
    height: 44px;
    font-size: 1.15rem;
  }

  .mobile-action-bar .btn-gold {
    min-height: 44px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 0.65rem 1rem;
  }

  /* Page Up Button */
  .page-up-btn {
    bottom: calc(78px + env(safe-area-inset-bottom, 0px));
    right: 18px;
    width: 44px;
    height: 44px;
    font-size: 1.15rem;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

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

  .footer-legal-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.65rem 1.25rem;
  }
}

/* ----------------------------------------------------------------------------
   6. COMPACT MOBILE & SMARTPHONES (max-width: 480px)
   ---------------------------------------------------------------------------- */
@media screen and (max-width: 480px) {
  :root {
    --container-max: 100%;
  }

  .container, .container-narrow {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .brand-logo img, .brand-logo svg {
    height: 34px;
    max-width: 160px;
  }

  /* Header Container */
  .header-container {
    padding: 0.65rem 0.85rem;
  }

  /* Section Titles */
  .experience-title,
  .food-title,
  .journey-title,
  .resort-choice-title,
  .couture-title,
  .rooms-gold-title,
  .about-gold-title,
  .escape-title,
  .pricing-strip-title {
    font-size: clamp(1.4rem, 5.5vw, 1.8rem);
  }

  /* Buttons */
  .btn {
    padding: 0.8rem 1.25rem;
    font-size: 0.85rem;
  }

  .btn-lg {
    padding: 0.85rem 1.5rem;
    font-size: 0.9rem;
  }

  .btn-book-now-green,
  .btn-book-now-black {
    font-size: 0.9rem;
    padding: 0.85rem 1.35rem;
  }

  .btn-book-now-green.btn-book-now-lg,
  .btn-book-now-black.btn-book-now-lg {
    font-size: 0.98rem;
    padding: 0.9rem 1.6rem;
  }

  /* Grids */
  .resort-choice-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .resort-choice-grid img {
    height: 165px;
  }

  .couture-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .couture-grid img {
    height: 240px;
  }

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

  .escape-strip-grid img {
    height: 150px;
  }

  .food-main-img {
    height: 230px;
  }

  .experience-main-img {
    height: 230px;
  }

  .service-detail-img {
    height: 220px;
  }

  .about-story-img {
    height: 230px;
  }

  /* Form Elements */
  .contact-form-card {
    padding: 1.5rem 1rem;
  }

  /* Pricing Cards Compact */
  .pricing-card {
    padding: 1.75rem 1.15rem !important;
  }

  .price-amount {
    font-size: 2.3rem;
  }

  .tier-title {
    font-size: 1.5rem;
  }

  /* Contact Info Cards Compact */
  .contact-info-card {
    padding: 1.25rem 1rem !important;
    margin-bottom: 1.25rem;
  }

  .contact-map-box {
    height: 260px;
  }

  .price-summary-box {
    padding: 1.1rem;
  }

  .summary-total-amount {
    font-size: 1.35rem;
  }

  /* Modal Form Controls */
  .modal-header {
    padding: 1.25rem 2.75rem 0.85rem 1rem;
  }

  .modal-body {
    padding: 1rem 1rem calc(2rem + env(safe-area-inset-bottom, 0px)) 1rem;
  }

  .modal-title {
    font-size: 1.25rem;
  }
}

/* ----------------------------------------------------------------------------
   7. ULTRA-COMPACT MOBILE & SMALL PHONES (max-width: 360px)
   ---------------------------------------------------------------------------- */
@media screen and (max-width: 360px) {
  .container, .container-narrow {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .brand-logo img, .brand-logo svg {
    height: 30px;
    max-width: 140px;
  }

  .header-actions {
    gap: 0.5rem;
  }

  .header-actions .btn-whatsapp-icon {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }

  .hamburger-btn {
    width: 26px;
    height: 22px;
  }

  .partnership-jam-image {
    max-width: 185px;
  }

  .experience-title,
  .food-title,
  .journey-title,
  .resort-choice-title,
  .couture-title,
  .rooms-gold-title,
  .about-gold-title,
  .escape-title,
  .pricing-strip-title {
    font-size: 1.35rem;
  }

  .resort-choice-grid {
    grid-template-columns: 1fr;
  }

  .resort-choice-grid img {
    height: 180px;
  }

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

  .couture-grid img {
    height: 290px;
  }

  .btn-book-now-green,
  .btn-book-now-black {
    font-size: 0.85rem;
    padding: 0.8rem 1rem;
  }

  .mobile-action-grid {
    grid-template-columns: 40px 40px 1fr;
    gap: 0.5rem;
  }

  .mobile-action-btn-circle {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .mobile-action-bar .btn-gold {
    font-size: 0.78rem;
    padding: 0.6rem 0.75rem;
  }

  .pricing-card {
    padding: 1.5rem 0.95rem !important;
  }

  .contact-info-card {
    padding: 1.15rem 0.85rem !important;
  }

  .price-amount {
    font-size: 2.1rem;
  }

  .tier-title {
    font-size: 1.35rem;
  }
}

/* ----------------------------------------------------------------------------
   8. MOBILE DRAWER SPECIFIC REFINEMENTS
   ---------------------------------------------------------------------------- */
.mobile-drawer {
  padding: 0 !important;
}

.mobile-drawer-inner {
  height: 100%;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 2rem 1.5rem calc(2.5rem + env(safe-area-inset-bottom, 0px)) 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mobile-drawer-header {
  margin-bottom: 1.75rem;
  padding-bottom: 0.85rem;
}

.mobile-nav-links {
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.mobile-nav-link {
  font-size: 1.15rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-drawer-footer {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(212, 175, 55, 0.25);
}

/* ----------------------------------------------------------------------------
   9. HIGH CONTRAST & ACCESSIBILITY 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;
  }
}