/* ===================================================================
   RESPONSIVE STYLESHEET - IMACSI'27
   Rock-Solid Support for Desktop, Tablet, and Mobile
   Palette: BORDO (#662E37), GREEN (#24382F), SAGE (#5E7563), ROSE (#CE7A87), CREAM (#F7ECE9)
   =================================================================== */

/* Root Level Overflow & Sizing Guard */
html {
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding-top: 106px;
  box-sizing: border-box;
}

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

/* ===================================================================
   TABLET & DESKTOP ADJUSTMENTS (MAX-WIDTH: 1200PX)
   =================================================================== */
@media (max-width: 1200px) {
  .home-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .about-pane-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .hub-navigation-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tracks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .speakers-editorial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .committee-directory-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-columns-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

/* ===================================================================
   DESKTOP RESPONSIVE NAV OPTIMIZATIONS (MIN-WIDTH: 1261PX)
   =================================================================== */
@media (min-width: 1261px) {
  .nav-link i {
    display: inline-block !important;
    font-size: 0.8rem;
    margin-right: 0.22rem;
    color: var(--sage);
    transition: color 0.2s ease;
  }
  .nav-link:hover i,
  .nav-link.active i {
    color: var(--bordo);
  }
  .mobile-drawer-header,
  .mobile-drawer-footer {
    display: none !important;
  }
}

/* ===================================================================
   PORTABLE MOBILE & TABLET DRAWER (MAX-WIDTH: 1260PX)
   =================================================================== */
@media (max-width: 1260px) {
  .mobile-menu-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: var(--radius-sm);
    background: var(--cream-soft);
    border: 1px solid var(--border-light);
    color: var(--green);
    font-size: 1.25rem;
    cursor: pointer;
    flex-shrink: 0;
    transition: var(--transition);
  }

  .mobile-menu-toggle:hover {
    background: var(--bordo-muted);
    color: var(--bordo);
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: min(320px, 86vw);
    height: 100vh;
    height: 100dvh;
    background-color: #FFFFFF !important;
    background: #FFFFFF !important;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 0;
    gap: 0;
    box-shadow: 14px 0 35px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
    transform: translateX(-105%);
    visibility: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border-right: 4px solid var(--bordo);
    white-space: normal;
    z-index: 100005 !important;
    filter: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .nav-menu * {
    filter: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .site-header.drawer-open {
    z-index: 100010 !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  
  .nav-menu.active {
    transform: translateX(0);
    visibility: visible;
  }

  .mobile-drawer-header {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    padding: 1.15rem 1.25rem;
    background: var(--cream-soft);
    border-bottom: 2px solid var(--cream-border);
    position: sticky;
    top: 0;
    z-index: 2;
  }

  .mobile-drawer-header .drawer-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
  }

  .mobile-drawer-header img {
    height: 40px;
    width: auto;
    border-radius: 4px;
    object-fit: contain;
  }

  .mobile-drawer-header .drawer-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--green);
    line-height: 1.1;
  }

  .mobile-drawer-header .drawer-title span {
    color: var(--bordo);
  }

  .mobile-drawer-header .drawer-subtitle {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
  }

  .mobile-drawer-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    color: var(--green);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
  }

  .mobile-drawer-close:hover {
    background: var(--bordo);
    color: #FFFFFF;
  }
  
  .nav-link {
    width: 100%;
    padding: 0.85rem 1.25rem;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--green);
    border-radius: 0;
    border-bottom: 1px solid #F1F5F9;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    white-space: normal !important;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease;
  }

  .nav-link i {
    font-size: 0.9rem;
    width: 20px;
    text-align: center;
    color: var(--sage);
    flex-shrink: 0;
  }
  
  .nav-link:hover {
    background-color: var(--cream-soft);
    color: var(--bordo);
  }

  .nav-link:hover i {
    color: var(--bordo);
  }

  .nav-link.active {
    background-color: var(--cream-soft);
    color: var(--bordo);
    border-left: 4px solid var(--bordo);
    font-weight: 700;
  }

  .nav-link.active i {
    color: var(--bordo);
  }

  .nav-link.active::after {
    display: none;
  }

  .mobile-drawer-footer {
    display: block !important;
    padding: 1.25rem;
    margin-top: auto;
    border-top: 1px solid var(--cream-border);
    background: var(--cream-soft);
  }
  
  .nav-actions .btn-header-cta {
    display: none;
  }
  
  .hero-heading {
    font-size: 2.35rem;
    line-height: 1.2;
  }
  
  .hero-meta-strip {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .bank-info-grid {
    grid-template-columns: 1fr;
  }
  
  .date-row-item {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
  
  .date-calendar-val {
    text-align: left;
  }
}

/* ===================================================================
   SMARTPHONE & SMALL TABLET VIEW (MAX-WIDTH: 768PX)
   =================================================================== */
@media (max-width: 768px) {

  /* Search & Lookup Forms on Mobile */
  #docLookupForm,
  #authorSearchForm {
    flex-direction: column !important;
    gap: 0.75rem !important;
    width: 100% !important;
  }

  #docLookupForm input,
  #authorSearchForm input {
    width: 100% !important;
    box-sizing: border-box !important;
  }

  #docLookupForm button,
  #authorSearchForm button {
    width: 100% !important;
    justify-content: center !important;
    white-space: normal !important;
    text-align: center !important;
    box-sizing: border-box !important;
  }

  /* 5-Stage Stepper container */
  .stepper-5stage-container {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding-bottom: 1rem !important;
    justify-content: flex-start !important;
    gap: 1.5rem !important;
  }


  /* ===================================================================
     GOOGLE FORM EMBED & VERIFICATION BLOCKS (MOBILE COMPACT & WRAP)
     =================================================================== */
  .gform-verify-card,
  .gform-banner-card {
    padding: 1.25rem 0.85rem !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .gform-verify-header,
  .gform-banner-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.85rem !important;
    width: 100% !important;
  }

  /* All Google Form Action Buttons */
  .gform-btn,
  .gform-verify-card a.btn-primary,
  .gform-banner-card a.btn-primary,
  a[href*="forms.gle"] {
    width: 100% !important;
    white-space: normal !important;
    word-break: break-word !important;
    text-align: center !important;
    justify-content: center !important;
    padding: 0.8rem 0.85rem !important;
    font-size: 0.88rem !important;
    box-sizing: border-box !important;
    display: inline-flex !important;
    line-height: 1.35 !important;
  }

  /* Form Outer Cards */
  .submission-form-card,
  .registration-form-card,
  #register-section {
    padding: 1.25rem 0.85rem !important;
  }

  /* Form Inputs inside GForm Verification */
  .gform-verify-card input[type="text"],
  .gform-verify-card input[type="email"],
  #googleFormRef,
  #regGoogleFormRef {
    width: 100% !important;
    max-width: 100% !important;
    font-size: 0.85rem !important;
    padding: 0.75rem 0.65rem !important;
    box-sizing: border-box !important;
  }

  .gform-verify-card label {
    font-size: 0.82rem !important;
    line-height: 1.4 !important;
  }

  body {
    padding-top: 102px !important;
  }
  .page-title-banner {
    padding: 3.5rem 1rem 3rem !important;
    text-align: center !important;
  }
  .page-title-banner h1 {
    font-size: 1.85rem !important;
    text-align: center !important;
  }
  .page-title-banner p {
    font-size: 0.95rem !important;
    text-align: center !important;
  }
  .site-header {
    top: 38px !important;
  }
  .nav-menu {
    top: 0;
    height: 100vh;
    height: 100dvh;
  }
  .container {
    padding: 0 1rem;
    width: 100%;
    max-width: 100%;
  }

  /* Announcement Bar */
  .top-announcement-bar {
    overflow: hidden;
    width: 100%;
    height: 38px !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
  }
  .top-announcement-bar .top-bar-links {
    display: none;
  }
  .top-bar-inner {
    padding: 0 0.85rem;
    width: 100%;
    overflow: hidden;
  }
  .announcement-left {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    gap: 0.65rem;
  }
  .ticker-badge {
    font-size: 0.68rem;
    padding: 0.22rem 0.55rem;
    letter-spacing: 0.5px;
  }
  .ticker-viewport {
    max-width: calc(100% - 105px);
    overflow: hidden;
  }

  /* Header Bar */
  .site-header {
    width: 100%;
  }
  .site-header .container {
    padding: 0.5rem 1rem;
    width: 100%;
  }
  .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .brand-logo {
    gap: 0.65rem;
  }
  .logo-badge {
    width: 38px;
    height: 38px;
    font-size: 1.15rem;
  }
  .brand-acronym {
    font-size: 1.3rem;
  }
  .brand-edition {
    font-size: 0.68rem;
  }
  .nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .nav-actions .btn-admin-nav {
    padding: 0.4rem 0.75rem;
    font-size: 0.78rem;
  }
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    font-size: 1.1rem;
    border-radius: var(--radius-sm);
    background-color: var(--cream-soft);
    border: 1px solid var(--cream-border);
    color: var(--green);
    cursor: pointer;
  }

  /* Hero Section */
  .home-hero {
    padding: 2.25rem 0 3.25rem;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center center;
  }
  .home-hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    width: 100%;
  }
  .hero-text-column {
    width: 100%;
    max-width: 100%;
  }
  .conference-status-pill {
    font-size: 0.75rem;
    padding: 0.35rem 0.85rem;
    margin-bottom: 1rem;
    width: 100%;
    white-space: normal;
    line-height: 1.45;
  }
  .hero-heading {
    font-size: 1.85rem;
    line-height: 1.24;
    margin-bottom: 1rem;
    word-break: break-word;
  }
  .hero-lead-text {
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }
  .hero-meta-strip {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1rem;
    width: 100%;
    margin-bottom: 1.5rem;
  }
  .hero-meta-item {
    gap: 0.75rem;
  }
  .hero-meta-label {
    font-size: 0.7rem;
  }
  .hero-meta-value {
    font-size: 0.88rem;
  }
  .hero-button-group {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }
  .hero-button-group a {
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 0.85rem 1.25rem;
  }

  /* Countdown & Conference Card in Hero */
  .hero-conference-card {
    width: 100%;
    max-width: 100%;
  }
  .hero-card-body {
    padding: 1.25rem 0.75rem !important;
  }
  .countdown-grid {
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 0.35rem !important;
    width: 100% !important;
  }
  .countdown-unit {
    padding: 0.55rem 0.15rem !important;
    min-width: 0 !important;
    overflow: hidden !important;
  }
  .countdown-num {
    font-size: 1.2rem !important;
  }
  .countdown-label {
    font-size: 0.55rem !important;
    letter-spacing: 0.2px !important;
  }
  .hero-card-list li {
    align-items: flex-start !important;
    font-size: 0.82rem !important;
    line-height: 1.4 !important;
  }
  .hero-card-list li i {
    margin-top: 0.2rem !important;
    flex-shrink: 0 !important;
  }
  .btn-card-schedule {
    width: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0.75rem 1rem !important;
  }
  .publisher-card-wrapper {
    padding: 1.5rem 1rem !important;
    gap: 1.5rem !important;
  }
  .back-to-top {
    bottom: 1rem !important;
    right: 1rem !important;
    width: 38px !important;
    height: 38px !important;
    font-size: 0.95rem !important;
    z-index: 9999 !important;
  }

  /* About Tabs */
  .about-tab-nav {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
    margin-bottom: 2rem;
  }
  .about-tab-btn {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1rem;
    font-size: 0.88rem;
  }
  .about-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
    margin: 1.5rem 0;
  }
  .about-mini-stat {
    padding: 0.85rem 0.5rem;
    text-align: center;
  }
  .about-mini-stat .stat-digit {
    font-size: 1.1rem;
  }
  .about-mini-stat .stat-label {
    font-size: 0.7rem;
  }
  .about-lead-title {
    font-size: 1.45rem;
  }

  /* Important Dates Card */
  .dates-table-card {
    width: 100%;
    max-width: 100%;
    margin: 0;
  }
  .date-row-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 1.15rem 1.25rem;
  }
  .date-calendar-val {
    font-size: 1.05rem;
    text-align: left;
  }

  /* Awards & Hub Grids */
  .awards-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .hub-navigation-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .tracks-grid {
    grid-template-columns: 1fr;
  }
  .speakers-editorial-grid {
    grid-template-columns: 1fr;
  }
  .committee-directory-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-columns-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .form-2col {
    grid-template-columns: 1fr;
  }
  .pricing-editorial-table th,
  .pricing-editorial-table td {
    padding: 0.75rem 0.85rem;
    font-size: 0.82rem;
  }
}

/* ===================================================================
   VERY SMALL MOBILE DEVICES (MAX-WIDTH: 480PX)
   =================================================================== */
@media (max-width: 480px) {
  .hero-heading {
    font-size: 1.6rem;
    line-height: 1.25;
  }
  .brand-edition {
    display: none;
  }
  .brand-acronym {
    font-size: 1.18rem;
  }
  .logo-badge {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }
  .about-stats-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .admin-stats-grid {
    grid-template-columns: 1fr;
  }
}


/* ===================================================================
   RESPONSIVE GRIDS FOR ABOUT, GUIDELINES, VENUE, AND STATUS
   =================================================================== */
@media (max-width: 1024px) {
  .about-editorial-grid,
  .guidelines-editorial-grid,
  .venue-modes-grid,
  .venue-travel-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
}

@media (max-width: 768px) {
  /* About Page */
  .about-editorial-grid {
    grid-template-columns: 1fr !important;
    gap: 1.75rem !important;
  }
  .about-objectives-grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
  }

  /* Guidelines Page */
  .guidelines-editorial-grid {
    grid-template-columns: 1fr !important;
    gap: 1.75rem !important;
  }

  /* Venue Page */
  .venue-modes-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }
  .venue-travel-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }
  .venue-modes-grid > div {
    padding: 1.5rem 1.15rem !important;
  }

  /* Status Page */
  .tracker-stepper-card {
    padding: 1.25rem 0.85rem !important;
  }
  .status-tracker-header {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 1rem !important;
  }
  .status-tracker-header a.btn-outline {
    width: 100% !important;
    justify-content: center !important;
    text-align: center !important;
    display: inline-flex !important;
  }
  #authorSearchForm {
    flex-direction: column !important;
    gap: 0.75rem !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  #authorSearchForm input {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  #authorSearchForm button {
    width: 100% !important;
    justify-content: center !important;
    white-space: normal !important;
    text-align: center !important;
    box-sizing: border-box !important;
  }
  .status-pill-nav {
    display: flex !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    flex-wrap: nowrap !important;
    gap: 0.5rem !important;
    padding-bottom: 0.5rem !important;
  }
  .status-pill-btn {
    flex-shrink: 0 !important;
    white-space: nowrap !important;
  }
}