/* =====================================================
   RESPONSIVE.CSS - Complete Mobile & Tablet Support
   ===================================================== */

/* ===========================================
   LARGE SCREENS (1200px+) - Desktop
   =========================================== */
@media (min-width: 1200px) {
  .container {
    max-width: 1400px;
    padding: 0 40px;
  }
  
  .hero-content {
    padding: 80px 60px;
    max-width: 700px;
  }
  
  .symcreidea-logo {
    width: 450px !important;
    height: auto;
  }
}

/* ===========================================
   TABLET LANDSCAPE (768px - 1199px)
   =========================================== */
@media (max-width: 1199px) and (min-width: 768px) {
  /* Container adjustments */
  .container {
    max-width: 100%;
    padding: 0 30px;
  }
  
  /* iTELF Logo - Tablet size */
  .itelf-logo {
    height: 50px;
    right: 15px;
    top: 10px;
  }
  
  .itelf-logo img {
    max-width: 180px;
  }
  
  /* Hero section */
  .hero-content {
    padding: 50px 30px;
    max-width: 550px;
    margin: 0 15px;
  }
  
  .hero-logo img {
    height: 60px;
    width: 45;
    transform: scale(1.1);
  }
  
  /* Navigation */
  .nav-content {
    padding: 15px 30px;
    padding-right: 200px;
  }
  
  .nav-links {
    gap: 25px;
  }
  
  /* Symcreidea Logo - Tablet */
  .symcreidea-logo {
    width: 380px !important;
    height: auto;
    max-width: 90% !important;
  }
  
  /* Content cards */
  .content-card {
    padding: 35px;
    margin-bottom: 35px;
  }
  
  /* SCIT card adjustments */
  .glow-scit {
    padding: 35px;
  }
  
  .scit-logo {
    max-width: 150px;
  }
  
  /* Events - Featured event */
  .featured-event .event-card {
    max-width: 350px;
  }
  
  .event-card {
    height: 380px;
  }

  /* FIX: Use vertical logo for tablets as well */
  .biznovator-layout {
    flex-direction: column;
    gap: 15px;
    padding: 20px;
  }

  .biznovator-logo-horizontal {
      display: none;
  }
  .biznovator-logo-vertical {
      display: block;
      max-height: 250px; /* Adjusted size for tablet */
      width: auto;
  }
  
  /* Small events grid */
  .small-events-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 180px));
    gap: 18px;
    max-width: 800px;
  }
  
  .small-event-card {
    height: 300px; /* Scaled up by 50% */
  }

  /* --- SPONSORS RESPONSIVE (TABLET) --- */
  /* Make grids responsive for tablet while keeping desktop feel */
  .sponsor-grid-partners {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
  .sponsor-grid.sponsor-grid-associates {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
  .sponsor-grid.sponsor-grid-inkind {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
  
  /* Footer adjustments */
  .footer-container {
    grid-template-columns: 1.8fr 1fr 1fr;
    gap: 30px;
  }
}

/* ===========================================
   TABLET & MOBILE (up to 991px)
   =========================================== */
@media (max-width: 991px) {
  /* Container */
  .container {
    padding: 0 20px;
  }
  
  /* iTELF Logo - Smaller for tablets */
  .itelf-logo {
    height: 45px;
    right: 12px;
    top: 8px;
  }
  
  .itelf-logo img {
    max-width: 160px;
  }
  
  /* Hero section */
  .hero-content {
    padding: 40px 25px;
    max-width: 90%;
    margin: 0 10px;
  }
  
  .hero-logo img {
    height: 60px;
    width: 45;
    transform: scale(1.0);
  }
  
  .tagline {
    font-size: 1.1rem !important;
  }
  
  /* Navigation - Stack on tablets */
  .nav-content {
    padding: 12px 20px;
    padding-right: 180px;
    flex-direction: column;
    gap: 15px;
  }
  
  .nav-links {
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .nav-links a {
    font-size: 0.9rem;
  }
  
  /* CRITICAL: Symcreidea Logo - Tablet Portrait */
  .symcreidea-logo {
    width: 320px !important;
    height: auto;
    max-width: 95% !important;
    margin: 0 auto;
    display: block;
  }
  
  /* Section spacing */
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 2.2rem;
    margin-bottom: 40px;
  }
  
  /* Content cards */
  .content-card {
    padding: 30px;
    margin-bottom: 30px;
  }
  
  .content-card h3 {
    font-size: 1.3rem;
  }
  
  /* SCIT card */
  .glow-scit {
    padding: 30px;
  }
  
  .scit-logo {
    max-width: 130px;
  }
  
  /* Events section */
  .featured-event .event-card {
    max-width: 100%; /* Allow full width */
    height: auto; /* Auto height */
    min-height: 420px; 
  }
  
  .event-card {
    height: 350px;
  }
  
  .flip-card-front .event-logo {
    height: 180px;
  }
  
  /* ===== BIZNOVATOR CARD FIX (VERTICAL ON MOBILE) ===== */
  .biznovator-layout {
    flex-direction: column; /* Switch to vertical layout */
    gap: 15px;
    padding: 20px;
  }

  /* Hide horizontal logo, show vertical */
  .biznovator-logo-horizontal {
      display: none;
  }
  .biznovator-logo-vertical {
      display: block;
      max-height: 280px; /* Adjust size as needed */
      width: auto;
  }
  
  .association-group .association-text {
    font-size: 1.2rem; 
    margin: 10px 0;
  }
  
  .biznovator-layout .biznovator-logo-partner {
    max-height: 160px; /* Still larger, but sized for mobile */
  }
  /* ===== END BIZNOVATOR FIX ===== */

  /* Small events - 2x2 grid */
  .small-events-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    max-width: 400px;
  }
  
  .small-event-card {
    height: 315px; /* Scaled up by 50% */
  }
  
  .small-flip-card-front .small-event-logo {
    height: 120px; /* Scaled up by 50% */
  }

  /* --- INVESTORS RESPONSIVE (TABLET & MOBILE) --- */
  .investor-link {
      display: block;
  }
  .investors-grid {
      grid-template-columns: 1fr;
      gap: 15px;
  }

  .investor-card {
      flex-direction: column;
      text-align: center;
      min-height: 80px;
      justify-content: center;
      cursor: pointer;
      padding: 15px;
  }

  .investor-card .investor-details {
      max-height: 0;
      opacity: 0;
      overflow: hidden;
      transition: max-height 0.5s ease-out, opacity 0.3s ease-in, transform 0.4s ease;
      transform: translateY(-10px);
  }
  
  .investor-card .investor-photo {
      margin: 15px auto 15px auto;
      width: 120px;
      height: 120px;
  }

  /* Expanded state on hover/tap */
  .investor-card:hover {
      min-height: 350px;
      justify-content: flex-start;
  }

  .investor-card:hover .investor-details {
      max-height: 300px;
      opacity: 1;
      transform: translateY(0);
  }

  /* Override desktop hover effects on mobile */
  .investor-card:hover {
      transform: translateY(0);
  }
  .investor-card:hover .investor-photo {
      transform: scale(1);
      box-shadow: 0 0 5px #fff,
                  0 0 10px #fff,
                  0 0 15px #fff;
  }
  /* Footer - Stack vertically */
  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }

  /* Case Quest Host Card Logo */
  .case-quest-host-card .card-logo {
    width: 50px;
    top: 10px;
    right: 10px;
  }
}

/* ===========================================
   MOBILE DEVICES (320px - 767px)
   =========================================== */
@media (max-width: 767px) {
  /* Base adjustments */
  body {
    font-size: 14px;
  }
  
  .container {
    padding: 0 15px;
  }
  
  /* iTELF Logo - Mobile size */
  .itelf-logo {
    height: 40px;
    right: 10px;
    top: 6px;
  }
  
  .itelf-logo img {
    max-width: 140px;
  }
  
  /* Loading screen - Mobile */
  .loader-logo-img {
    width: 300px;
    height: 100px;
  }
  
  .loader-text {
    font-size: 1.8rem;
  }
  
  .loader-progress {
    width: 250px;
  }
  
  /* Hero section - Mobile */
  .hero-content {
    padding: 30px 20px;
    margin: 0 5px;
    max-width: 95%;
  }
  
  .hero-logo img {
    height: 60px;
    width: 45;
    transform: scale(0.9);
  }
  
  .tagline {
    font-size: 1rem !important;
    margin-bottom: 20px;
  }
  
  /* Navigation - Mobile friendly */
  .nav-content {
    padding: 10px 15px;
    padding-right: 155px;
    flex-direction: column;
    gap: 12px;
  }
  
  .nav-links {
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .nav-links a {
    font-size: 0.85rem;
    padding: 5px 10px;
  }
  
  /* CRITICAL: Symcreidea Logo - Mobile */
  .symcreidea-logo {
    width: 280px !important;
    height: auto;
    max-width: 100% !important;
    margin: 0 auto;
    display: block;
  }
  
  /* Section adjustments */
  .section {
    padding: 50px 0;
  }
  
  .section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
    line-height: 1.2;
  }
  
  /* Content cards - Mobile */
  .content-card {
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 15px;
  }
  
  .content-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
  }
  
  .content-card p {
    font-size: 0.9rem;
    line-height: 1.6;
  }
  
  /* SCIT card - Mobile */
  .glow-scit {
    padding: 25px;
  }
  
  .scit-logo {
    max-width: 110px;
    margin-bottom: 15px;
  }
  
  .glow-scit h3 {
    font-size: 1.3rem;
  }
  
  .flip-card-front .event-logo {
    height: 140px;
    max-width: 95%;
  }
  
  .flip-card-front, 
  .flip-card-back {
    padding: 20px;
  }
  
  .flip-card-back h4 {
    font-size: 1.4rem;
    margin-bottom: 10px;
  }
  
  .flip-card-back .event-caption {
    font-size: 0.95rem;
    margin-bottom: 15px;
  }
  
  .flip-card-back .event-description {
    font-size: 0.85rem;
    max-height: 120px;
  }
  
  .biznovator-button {
    padding: 10px 20px;
    font-size: 0.9rem;
    margin-top: 15px;
  }
  
  /* Small events - Single column on mobile */
  .small-events-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    max-width: 250px;
  }
  
  .small-event-card {
    height: 315px; /* Scaled up by 50% */
  }
  
  .small-flip-card-front .small-event-logo {
    height: 150px; /* Scaled up by 50% */
  }
  
  .small-flip-card-back h4 {
    font-size: 0.9rem;
  }
  
  .small-flip-card-back .small-event-caption {
    font-size: 0.75rem;
  }
  
  .small-flip-card-back .small-event-description {
    font-size: 0.75rem; /* FIX: Increased font size */
    max-height: none; /* FIX: Removed height limit */
  }
  
  .investor-logo {
    width: 80px;
    height: 80px;
  }
  
  /* --- SPONSORS RESPONSIVE (MOBILE) - DEFINITIVE FIX --- */
  /* This new rule forces all sponsor grids into a vertical stack */
  .sponsor-grid {
    display: flex;
    flex-direction: column;
    align-items: center; /* Center the single column of items */
    gap: 20px; /* A consistent gap for the vertical layout */
  }

  .sponsor-grid .sponsor-card {
    width: 100%; /* Make cards take full width */
    max-width: 350px; /* Prevent cards from getting too wide on larger mobile screens */
  }

  /* Make single (non-grid) sponsor cards more compact on mobile */
  .sponsor-card.sponsor-large,
  .sponsor-card.sponsor-medium {
    min-height: auto;
    padding: 30px 20px;
  }

  .sponsor-card.sponsor-large img,
  .sponsor-card.sponsor-medium img {
    max-width: 80%;
  }
  
  /* Footer - Mobile stack */
  .footer-container {
    grid-template-columns: 1fr;
    gap: 25px;
    text-align: center;
  }
  
  .footer-about {
    order: 1;
  }
  
  .footer-links {
    order: 2;
  }
  
  .footer-contact {
    order: 3;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  .contact-phone .contact-text {
    font-size: 0.8rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
    font-size: 0.8rem;
  }
  
  .footer-bottom-links {
    gap: 10px;
  }

  /* Case Quest Host Card Logo */
  .case-quest-host-card .card-logo {
    width: 45px;
  }
}

/* ===========================================
   EXTRA SMALL MOBILE (320px - 375px)
   =========================================== */
@media (max-width: 375px) {
  /* Ultra-compact mobile */
  .container {
    padding: 0 12px;
  }
  
  /* iTELF Logo - Extra small */
  .itelf-logo {
    height: 35px;
    right: 8px;
    top: 5px;
  }
  
  .itelf-logo img {
    max-width: 120px;
  }
  
  /* Loading screen */
  .loader-logo-img {
    width: 240px;
    height: 80px;
  }
  
  .loader-text {
    font-size: 1.5rem;
  }
  
  .loader-progress {
    width: 200px;
  }
  
  /* Hero */
  .hero-content {
    padding: 25px 15px;
    margin: 0 3px;
  }
  
  .hero-logo img {
    height: 60px;
    width: 45;
    transform: scale(0.8);
  }
  
  /* Navigation - Compact */
  .nav-content {
    padding: 8px 12px;
    padding-right: 130px;
  }
  
  .nav-links {
    gap: 12px;
  }
  
  .nav-links a {
    font-size: 0.8rem;
    padding: 4px 8px;
  }
  
  /* CRITICAL: Symcreidea Logo - Extra Small Mobile */
  .symcreidea-logo {
    width: 240px !important;
    height: auto;
    max-width: 100% !important;
    margin: 0 auto;
    display: block;
  }
  
  /* Sections */
  .section {
    padding: 40px 0;
  }
  
  .section-title {
    font-size: 1.6rem;
    margin-bottom: 25px;
  }
  
  /* Cards */
  .content-card {
    padding: 20px;
    margin-bottom: 20px;
  }
  
  .content-card h3 {
    font-size: 1.1rem;
  }
  
  .content-card p {
    font-size: 0.85rem;
  }
  
  /* SCIT card */
  .glow-scit {
    padding: 20px;
  }
  
  .scit-logo {
    max-width: 100px;
  }
  
  .glow-scit h3 {
    font-size: 1.2rem;
  }
  
  /* Events */
  .event-card {
    height: 280px;
  }
  
  .flip-card-front .event-logo {
    height: 110px;
  }
  
  .flip-card-back h4 {
    font-size: 1.2rem;
  }
  
  .flip-card-back .event-caption {
    font-size: 0.85rem;
  }
  
  .flip-card-back .event-description {
    font-size: 0.8rem;
    max-height: 100px;
  }
  
  .biznovator-button {
    padding: 8px 16px;
    font-size: 0.8rem;
    margin-top: 10px;
  }
  
  /* Small events - Single column, compact */
  .small-events-grid {
    max-width: 200px;
  }
  
  .small-event-card {
    height: 300px; /* Scaled up by 50% */
  }
  
  .small-flip-card-front .small-event-logo {
    height: 150px; /* Scaled up by 50% */
  }
  
  .sponsor-tier-title {
    font-size: 1.1rem;
    margin: 30px 0 15px 0;
  }
}

/* ===========================================
   LANDSCAPE MOBILE (Specific orientation fix)
   =========================================== */
@media (max-height: 500px) and (orientation: landscape) {
  /* Fix hero section for landscape mobile */
  .hero {
    height: auto;
    min-height: 100vh;
    padding: 20px 0;
  }
  
  .hero-content {
    padding: 25px 20px;
    margin: 20px 10px;
  }
  
  .hero-logo img {
    height:60px;
    transform: scale(0.7);
  }
  
  /* Navigation adjustments */
  .nav-content {
    padding: 8px 15px;
    padding-right: 150px;
  }
  
  /* Symcreidea logo for landscape */
  .symcreidea-logo {
    width: 200px !important;
    max-width: 80% !important;
  }
  
  /* Compact sections */
  .section {
    padding: 30px 0;
  }
  
  .section-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
  }
}

/* ===========================================
   UNIVERSAL FIXES - All Devices
   =========================================== */

/* Ensure Symcreidea logo is always centered and responsive */
.event-logo.symcreidea-logo {
  display: block;
  margin: 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.5));
}

/* Fix text overflow on all devices */
.flip-card-back .event-description,
.small-flip-card-back .small-event-description {
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

/* Ensure all images are responsive */
img {
  max-width: 100%;
  height: auto;
}

/* Fix button text wrapping */
.biznovator-button {
  white-space: nowrap;
  min-width: fit-content;
}

/* Prevent horizontal scrolling */
body, html {
  overflow-x: hidden;
}

/* Fix contact section alignment on all devices */
.contact-item {
  align-items: flex-start;
  text-align: left;
}

.footer-container .footer-contact .contact-info {
  align-items: flex-start;
}

/* ===========================================
   ACCESSIBILITY & TOUCH IMPROVEMENTS
   =========================================== */

/* Larger touch targets for mobile */
@media (max-width: 767px) {
  .nav-links a {
    padding: 10px 15px;
    border-radius: 6px;
    transition: background-color 0.3s ease;
  }
  
  .nav-links a:hover {
    background: rgba(0, 212, 255, 0.1);
  }
  
  /* Better button sizes for touch */
  .footer-social a {
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
  }
  
  /* Ensure flip cards are easy to tap */
  .event-card,
  .small-event-card {
    touch-action: manipulation;
  }
}

/* ===========================================
   PRINT STYLES (Bonus)
   =========================================== */
@media print {
  /* Hide interactive elements */
  .nav,
  .loader-container,
  #particles-js,
  .footer-social {
    display: none !important;
  }
  
  /* Optimize for print */
  body {
    background: white !important;
    color: black !important;
  }
  
  .content-card,
  .investor-card,
  .sponsor-card {
    background: white !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }
}

/* ===========================================
   PERFORMANCE OPTIMIZATIONS
   =========================================== */

/* Reduce animations on low-end devices */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Force hardware acceleration on supported devices */
.event-card,
.small-event-card,
.content-card,
.hero-content {
  transform: translateZ(0);
  will-change: transform;
}

/* ===========================================
   FINAL SYMCREIDEA LOGO FIXES - ALL DEVICES
   =========================================== */

/* Universal Symcreidea logo container */
.section-title img.symcreidea-logo {
  display: block;
  margin: 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.5));
  transition: transform 0.3s ease;
}

/* Hover effect for all devices */
.section-title img.symcreidea-logo:hover {
  transform: scale(1.05);
}

/* Fix any potential margin/padding issues */
#symcreidea .section-title {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 40px;
}

/* Ensure symcreidea card stays centered */
.symcreidea-card {
  max-width: 100%;
  margin: 0 auto;
}

/* ===========================================
   UTILITY CLASSES FOR COMMON FIXES
   =========================================== */

.mobile-hidden {
  display: block;
}

.mobile-only {
  display: none;
}

@media (max-width: 767px) {
  .mobile-hidden {
    display: none;
  }
  
  .mobile-only {
    display: block;
  }
}

/* Center content utility */
.center-content {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

/* Responsive spacing utilities */
.spacing-mobile {
  padding: 15px;
}

.spacing-tablet {
  padding: 25px;
}

.spacing-desktop {
  padding: 40px;
}

@media (max-width: 480px) {
  .spacing-responsive {
    padding: 15px;
  }
}

@media (min-width: 481px) and (max-width: 767px) {
  .spacing-responsive {
    padding: 25px;
  }
}

@media (min-width: 768px) {
  .spacing-responsive {
    padding: 40px;
  }
}

/* ===== Mobile & Tablet Responsive Fixes ===== */
@media (max-width: 768px) {
  /* Center all main sections */
  body, .container, .section, .main-content {
    text-align: center !important;
  }

  /* Fix pushed-to-left layouts */
  .nav-content,
  .hero-content,
  .content-card,
  .glow-scit,
  .symcreidea-card {
    margin-left: auto !important;
    margin-right: auto !important;
    display: block;
  }

  /* Reduce Symcredia logo size */
  .symcreidea-card img {
    max-width: 150px;
    height: auto;
  }

  /* Make hero logo scale */
  .hero-logo img {
    max-height: 60px;
    max-width: 45;
    transform: scale(1) !important;
  }

  /* Nav links vertical for mobile */
  .nav-links {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }

  /* Make cards take full width */
  .content-card,
  .glow-scit {
    max-width: 90%;
  }
}

@media (max-width: 480px) {
  /* Further reduce Symcredia logo */
  .symcreidea-card img {
    max-width: 120px;
  }

  /* Smaller hero logo */
  .hero-logo img {
    max-height: 60px;
    max-width: 45;
  }
}

/* === NEW FOOTER STYLES FOR MOBILE === */
@media (max-width: 768px) {
  .footer-container {
    flex-direction: column; /* Stacks columns vertically */
    align-items: center; /* Centers the columns */
    text-align: center; /* Centers the text inside them */
  }

  .footer-about,
  .footer-links,
  .footer-contact {
    flex: 1 1 100%; /* Allows columns to take full width */
    min-width: unset; /* Resets the minimum width */
    text-align: center;
  }

  .footer-social {
    justify-content: center; /* Centers social icons */
  }

  .contact-item {
    justify-content: center; /* Centers contact info */
    text-align: center;
  }
  
  .footer-bottom {
      justify-content: center; /* Centers the bottom links */
  }
}

/* --- Mobile Header Fix (Hamburger Menu) --- */
@media (max-width: 768px) {
  .hamburger-menu {
    display: block; /* Show the hamburger icon on mobile */
    cursor: pointer;
    position: absolute; /* Position it relative to the nav */
    top: 10px;
    left: 20px;
    z-index: 1001; /* Ensure it's above other elements */
  }

  .hamburger-menu .bar {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    margin: 5px 0;
    transition: 0.4s;
  }
  
  /* Hides the navigation links by default on mobile */
  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: rgba(10, 14, 39, 0.95); /* Match your nav background */
    position: absolute;
    top: 60px; /* Position it below the header */
    left: 0;
    padding: 20px 0;
    align-items: center;
  }

  /* This class will be toggled with JavaScript */
  .nav-links.active {
    display: flex; /* Shows the menu */
  }

  /* Removes the extra padding that pushes your links off-center */
  .nav-content {
    padding-right: 0; 
  }
}