/* Custom Orange and Off-white Theme for ETFI Conference */

:root {
  --primary-orange: #FF8C00;
  --secondary-orange: #FFA500;
  --light-orange: #FFD580;
  --offwhite: #F5F5F5;
  --dark-text: #333333;
  --light-shadow: rgba(0, 0, 0, 0.1);
}

/* Base styling */
body {
  background-color: var(--offwhite);
  color: var(--dark-text);
  font-family: 'Open Sans', sans-serif;
  overflow-x: hidden;
}

/* Header and Navigation */
.site-header {
  background: var(--primary-orange);
  box-shadow: 0 2px 5px var(--light-shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.site-header .container {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 2rem;
}

.site-logo-container {
  text-decoration: none;
  margin-right: auto;
  flex-shrink: 0;
}

.site-logo-container .letter-spacing-1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--offwhite) !important;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
  letter-spacing: 1px;
  text-align: left;
  margin: 0;
}

.site-logo-container:hover .letter-spacing-1 {
  color: var(--light-orange) !important;
  transition: color 0.3s ease;
}

/* Hide header logo image and improve header design */
.site-logo-container img {
  display: none;
}

/* Navigation - Make horizontal */
.main-nav {
  margin-left: auto;
}

.main-nav .nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav .nav-item {
  margin: 0 0.5rem;
}

.main-nav .nav-link {
  color: var(--offwhite) !important;
  font-weight: 600;
  padding: 0.5rem 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  border-radius: 4px;
  display: block;
}

.main-nav .nav-link:hover {
  color: var(--secondary-orange) !important;
  background-color: rgba(255,255,255,0.1);
  text-decoration: none;
}

/* Hero Section */
.hero-section {
  background: var(--offwhite);
  min-height: 100vh;
  border-bottom: 4px solid var(--primary-orange);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Hero background image */
.hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('https://punecon.ieeepunesection.org/wp-content/uploads/2024/03/cropped-cropped-marcus-wareham-failure-is-at-the-heart-of-an-innovation-strategy-video-fi.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.5) 50%, rgba(0,0,0,0.7) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  z-index: 2;
  position: relative;
}

/* Force all text in hero section to be white */
.hero-section * {
  color: #ffffff !important;
}

.hero-section .btn {
  color: inherit !important;
}

.hero-section .btn-primary {
  color: #ffffff !important;
}

.hero-section .btn-outline-light {
  color: var(--primary-orange) !important;
  background: #ffffff !important;
}

.hero-section .hero-title,
.hero-section h1.hero-title,
h1.hero-title.display-3 {
  color: #ffffff !important;
  font-weight: 700 !important;
  text-shadow: 0 2px 8px rgba(0,0,0,0.8) !important;
  line-height: 1.2 !important;
}

.hero-section .hero-subtitle,
.hero-section h2.hero-subtitle,
h2.hero-subtitle {
  color: #ffffff !important;
  font-weight: 500 !important;
  text-shadow: 0 1px 4px rgba(0,0,0,0.7) !important;
  font-size: 1.4rem !important;
}

.hero-actions {
  margin-top: 2rem;
}

.hero-actions .btn {
  margin: 0.5rem;
  padding: 1rem 3rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-radius: 50px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
  transition: all 0.3s ease;
  font-size: 1.1rem;
  border: 2px solid transparent;
}

.hero-actions .btn-primary {
  background: var(--primary-orange);
  border-color: var(--primary-orange);
  color: #ffffff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.hero-actions .btn-primary:hover {
  background: var(--secondary-orange);
  border-color: var(--secondary-orange);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(255,140,0,0.5);
}

.hero-actions .btn-outline-light,
.hero-actions .btn-outline-light:not(:disabled):not(.disabled),
.hero-section .btn-outline-light {
  background: #ffffff !important;
  border: 3px solid #ffffff !important;
  color: var(--primary-orange) !important;
  font-weight: 700 !important;
  text-shadow: none !important;
  opacity: 1 !important;
}

.hero-actions .btn-outline-light:hover,
.hero-actions .btn-outline-light:focus,
.hero-actions .btn-outline-light:active,
.hero-section .btn-outline-light:hover {
  background: #ffffff !important;
  border-color: var(--primary-orange) !important;
  color: var(--secondary-orange) !important;
  transform: translateY(-3px) !important;
  box-shadow: 0 12px 35px rgba(255,140,0,0.3) !important;
}

@media (max-width: 768px) {
  .hero-section {
    min-height: 80vh;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .hero-actions .btn {
    display: block;
    width: 100%;
    margin: 0.5rem 0;
  }
}

/* Dates Section */
.dates-section {
  background: var(--offwhite);
}

.dates-card {
  border-left: 4px solid var(--primary-orange);
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 4px var(--light-shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  background: var(--primary-orange);
  color: var(--offwhite);
}

.site-footer a {
  color: var(--offwhite);
  transition: color 0.2s;
}

.site-footer a:hover {
  color: var(--secondary-orange);
}

.footer-socials a {
  font-size: 1.5rem;
  margin: 0 0.5rem;
  color: var(--offwhite);
}

/* Button styling */
.btn-primary {
  background-color: var(--primary-orange);
  border-color: var(--primary-orange);
  color: var(--offwhite);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: var(--secondary-orange);
  border-color: var(--secondary-orange);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-yellow {
  background-color: var(--secondary-orange);
  border-color: var(--secondary-orange);
  color: var(--offwhite);
  transition: all 0.3s ease;
}

.btn-yellow:hover {
  background-color: var(--primary-orange);
  border-color: var(--primary-orange);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Slideshow styling */
.slideshow-container {
  background-color: var(--offwhite);
}

.slide {
  position: relative;
}

.slide::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(255, 140, 0, 0.5), rgba(255, 140, 0, 0.2));
}

.overlay {
  background-color: rgba(255, 255, 255, 0.85);
  border-left: 5px solid var(--primary-orange);
  padding: 20px;
  border-radius: 5px;
}

.inner-content h1, .inner-content h2 {
  color: var(--primary-orange);
  font-weight: bold;
}

/* Section styling */
.boxed {
  border-bottom: 3px solid var(--primary-orange);
  color: var(--primary-orange);
  display: inline-block;
  padding-bottom: 5px;
  margin-bottom: 20px;
}

.vc_cta3 {
  border-left: 4px solid var(--primary-orange) !important;
  background-color: var(--offwhite) !important;
}

/* Track list styling */
.track-list {
  counter-reset: track-counter;
  list-style-type: none;
  padding-left: 0;
}

.track-list li {
  counter-increment: track-counter;
  margin-bottom: 10px;
  padding: 15px;
  border-left: 3px solid var(--primary-orange);
  background-color: white;
  box-shadow: 0 2px 4px var(--light-shadow);
  transition: all 0.3s ease;
}

.track-list li:hover {
  transform: translateX(5px);
  border-left-width: 5px;
}

.track-list li::before {
  content: counter(track-counter);
  background-color: var(--primary-orange);
  color: white;
  font-weight: bold;
  padding: 3px 8px;
  border-radius: 50%;
  margin-right: 10px;
}

/* Track item styling */
.track-item {
  padding: 20px;
  margin-bottom: 20px;
  background-color: white;
  border-radius: 5px;
  box-shadow: 0 3px 6px var(--light-shadow);
  border-left: 4px solid var(--primary-orange);
  transition: all 0.3s ease;
}

.track-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.track-item strong {
  color: var(--primary-orange);
  font-size: 1.2em;
  display: block;
  margin-bottom: 10px;
}

/* Collapsible track panels */
.track-panel {
  margin-bottom: 10px;
  background-color: white;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 2px 4px var(--light-shadow);
  transition: all 0.3s ease;
}

.track-panel:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.track-heading {
  background-color: var(--primary-orange);
  color: white;
  padding: 15px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  transition: all 0.3s ease;
}

.track-heading:hover {
  background-color: var(--secondary-orange);
}

.track-heading .toggle-icon {
  font-size: 1.2em;
  transition: transform 0.3s ease;
}

.track-heading .toggle-icon.rotated {
  transform: rotate(180deg);
}

.track-content {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, padding 0.3s ease;
}

.track-content.expanded {
  padding: 20px;
  max-height: 1000px; /* Adjust as needed */
}

.track-list-collapsed {
  list-style-type: none;
  padding-left: 0;
  margin-bottom: 20px;
}

.track-list-collapsed li {
  margin-bottom: 10px;
  cursor: pointer;
  background-color: white;
  padding: 15px 20px;
  border-radius: 5px;
  position: relative;
  padding-left: 40px;
  border-left: 3px solid var(--primary-orange);
  box-shadow: 0 2px 4px var(--light-shadow);
  transition: all 0.3s ease;
}

.track-list-collapsed li:hover {
  transform: translateX(5px);
  background-color: var(--offwhite);
  border-left-width: 5px;
}

.track-list-collapsed li:before {
  content: attr(data-index);
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--primary-orange);
  color: white;
  font-weight: bold;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Add pulse animation for clickable elements */
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.pulse {
  animation: pulse 0.5s ease-in-out;
}

/* Animation classes */
.fade-in {
  animation: fadeIn 1s ease-in;
}

.slide-in-left {
  animation: slideInLeft 1s ease-out;
}

.slide-in-right {
  animation: slideInRight 1s ease-out;
}

.bounce-in {
  animation: bounceIn 1s;
}

.scale-in {
  animation: scaleIn 0.5s ease-in-out;
}

/* Conference track animation on hover */
.conference-track {
  position: relative;
  overflow: hidden;
}

.conference-track::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--primary-orange);
  transition: width 0.4s ease;
}

.conference-track:hover::after {
  width: 100%;
}

/* Author instructions section */
.author-instructions {
  background-color: white;
  border-radius: 5px;
  padding: 20px;
  box-shadow: 0 3px 6px var(--light-shadow);
}

.author-instructions h2 {
  color: var(--primary-orange);
  border-bottom: 2px solid var(--light-orange);
  padding-bottom: 10px;
}

.author-instructions ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
}

.author-instructions ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary-orange);
}

/* Keyframes for animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from { transform: translateX(-50px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInRight {
  from { transform: translateX(50px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
/*Made by ratnajeet Patil*/
@keyframes bounceIn {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-20px); }
  60% { transform: translateY(-10px); }
}

@keyframes scaleIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Media queries */
@media (max-width: 768px) {
  .track-list li, .track-item {
    transform: none !important;
  }
}

/* Utility */
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }
.mt-3 { margin-top: 1rem; }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: 1.5rem; }
.mr-3 { margin-right: 1rem; }
.mt-md-0 { margin-top: 0 !important; }
.mx-2 { margin-left: 0.5rem; margin-right: 0.5rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.d-flex { display: flex; }
.d-block { display: block; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }
.flex-column { flex-direction: column; }
.flex-md-row { flex-direction: row; }
.container { max-width: 1200px; margin: 0 auto; padding-left: 15px; padding-right: 15px; }
.text-center { text-align: center; }
.text-white { color: #fff !important; }
.rounded { border-radius: 8px; }
.shadow, .shadow-sm { box-shadow: 0 2px 8px var(--light-shadow); }
.ml-3 { margin-left: 1rem; }
.mb-0 { margin-bottom: 0; }
.h4 { font-size: 1.5rem; }
.font-weight-bold { font-weight: bold; }
.text-white { color: #fff !important; }
.d-none { display: none !important; }
.d-md-inline { display: inline !important; }

/* Letter spacing utility */
.letter-spacing-1 { letter-spacing: 1px; }

/* Large CTA button font size */
.btn-lg { font-size: 1.3rem; padding: 0.75rem 2rem; }

/* Pulse on hover for CTA */
.pulse-on-hover:hover { animation: pulse 0.5s; }

/* Top info bar */
.top-info-bar {
  background: var(--primary-orange);
  color: var(--offwhite);
  font-size: 0.95rem;
}
.top-link { color: var(--offwhite); text-decoration: none; transition: color 0.2s; }
.top-link:hover { color: var(--secondary-orange); text-decoration: underline; }
.top-socials a { color: var(--offwhite); font-size: 1.1rem; }

/* Hero background pattern and overlay - REMOVED (replaced with image background) */

/* Section separation */
.section-sep { border-bottom: 1px solid #ffe5b3; background: #fff; }

/* Primary orange text utility */
.text-primary-orange { color: var(--primary-orange) !important; }

@media (max-width: 768px) {
  .d-none { display: none !important; }
  .d-md-inline { display: none !important; }
  .d-md-flex { display: none !important; }
  .flex-md-row { flex-direction: column !important; }
  .mt-md-0 { margin-top: 1rem !important; }
  
  /* Mobile header adjustments */
  .site-header .d-flex {
    flex-wrap: wrap;
  }
  
  .header-logo {
    height: 35px !important;
    width: auto !important;
    max-width: 70px !important;
  }
  
  .site-logo-container .letter-spacing-1 {
    font-size: 1.2rem !important;
  }
  
  /* Hero section mobile */
  .hero-section {
    min-height: 70vh;
    padding: 2rem 0;
  }
  
  .hero-title {
    font-size: 1.8rem !important;
  }
  
  .hero-subtitle {
    font-size: 1.1rem !important;
  }
  
  .hero-powered-by {
    font-size: 0.9rem !important;
  }
  
  .hero-actions .btn {
    padding: 0.75rem 1.5rem !important;
    font-size: 0.95rem !important;
    margin: 0.3rem !important;
    display: block;
    width: 100%;
    max-width: 280px;
    margin-left: auto !important;
    margin-right: auto !important;
  }
  
  /* Important dates cards */
  .dates-card {
    margin-bottom: 1rem;
  }
  
  .dates-card h4 {
    font-size: 1rem;
  }
  
  /* Registration table */
  .table-responsive {
    font-size: 0.85rem;
  }
  
  .table th, .table td {
    padding: 0.5rem !important;
  }
  
  /* Track panels */
  .track-panel {
    margin-bottom: 1rem;
  }
  
  .track-heading {
    font-size: 0.95rem;
    padding: 0.75rem;
  }
  
  .track-content {
    font-size: 0.9rem;
  }
  
  /* Footer */
  .site-footer {
    text-align: center;
  }
  
  .site-footer .d-flex {
    flex-direction: column;
  }
}

/* Mobile Navigation Styles */
.navbar-toggler {
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid #fff;
  padding: 0.5rem;
  cursor: pointer;
  border-radius: 4px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 45px;
  height: 40px;
}

.navbar-toggler:hover {
  background: rgba(255, 255, 255, 0.2);
}

.navbar-toggler span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: #fff;
  transition: all 0.3s;
  border-radius: 2px;
}

.navbar-toggler:hover span {
  background-color: var(--light-orange);
}

.mobile-nav {
  background: var(--secondary-orange);
  width: 100%;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-in-out;
}

.mobile-nav.show {
  max-height: 600px;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.mobile-nav .nav {
  padding: 0;
  margin: 0;
  list-style: none;
  width: 100%;
}

.mobile-nav .nav-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  list-style: none;
  width: 100%;
}

.mobile-nav .nav-item:last-child {
  border-bottom: none;
}

.mobile-nav .nav-link {
  padding: 1rem 1.5rem;
  display: block;
  width: 100%;
  text-align: left;
  color: #fff !important;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s;
}

.mobile-nav .nav-link:hover {
  background: rgba(255, 255, 255, 0.2);
  padding-left: 2rem;
}

/* Hero powered-by styling */
.hero-powered-by {
  font-size: 1.4rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===================== */
/* Committee Page Styles */
/* ===================== */

/* Smaller hero for committee page */
.committee-hero {
  min-height: 220px !important;
}

/* Header tweaks (remove inline styles) */
.header-row { padding-left: 0 !important; }
.header-left-pad { margin-left: 0 !important; padding-left: 15px !important; }
.logo-compact { height: 40px; width: 80px; object-fit: contain; }
.logo-medium { height: 70px; width: 100px; object-fit: contain; }

/* Card styling for committee members */
.committee-card {
  border: none;
  border-top: 5px solid var(--primary-orange);
  border-radius: 8px;
  transition: all 0.3s ease;
  min-height: 120px;
  background: linear-gradient(to bottom, #ffffff 0%, #fafafa 100%);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.committee-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 28px rgba(255,140,0,0.2);
  border-top-color: var(--secondary-orange);
}

.committee-card .card-body {
  text-align: center;
  padding: 1.5rem 1.25rem;
}

.committee-card .card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--dark-text);
  line-height: 1.4;
}

.committee-card .card-text {
  font-size: 1.15rem;
  color: #555;
  margin-bottom: 0.35rem;
  line-height: 1.5;
}

.committee-card small {
  font-size: 1.1rem;
  color: #777;
  display: block;
  margin-top: 0.35rem;
  line-height: 1.5;
}

/* Increased spacing for committee sections */
.committee-section { 
  margin-bottom: 0; 
}

.committee-section h3.boxed {
  margin-bottom: 2rem !important;
}

/* Fix card spacing and layout */
.committee-section .row {
  margin-left: -15px;
  margin-right: -15px;
  display: flex;
  flex-wrap: wrap;
}

.committee-section [class*="col-"] {
  padding-left: 15px;
  padding-right: 15px;
  margin-bottom: 30px !important; /* Ensure cards don't touch vertically */
}

.committee-card {
  height: 100%;
  width: 100%;
  margin-bottom: 0;
}

.committee-section:last-of-type { margin-bottom: 0; }

.committee-role-badge {
  display: inline-block;
  background: var(--primary-orange);
  color: #fff;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.3px;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
  margin-left: auto;
  margin-right: auto;
}

/* Utilities to replace inline */
.pl-0 { padding-left: 0 !important; }