/* Home Page Specific Styles */
/* CSS Variables - Add this to the beginning of main.css */
:root {
  /* Colors */
  --primary: #c35e32;
  --secondary: #172a46;
  --tertiary: #e07b4f;
  --quaternary: #2c4770;
  
  /* Background Colors */
  --bg-main: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-card: #ffffff;
  --bg-hover: rgba(195, 94, 50, 0.05);
  
  /* Text Colors */
  --text-primary: #011b33;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --text-light: #ffffff;
  
  /* Status Colors */
  --success: #48bb78;
  --danger: #f56565;
  --warning: #ed8936;
  --info: #4299e1;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--tertiary) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--quaternary) 100%);
  --gradient-light: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(1, 27, 51, 0.05);
  --shadow-md: 0 4px 6px rgba(1, 27, 51, 0.07);
  --shadow-lg: 0 10px 15px rgba(1, 27, 51, 0.1);
  --shadow-xl: 0 20px 25px rgba(1, 27, 51, 0.1);
  --shadow-glow: 0 0 20px rgba(195, 94, 50, 0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  color: var(--text-primary);
}

h1 {
  /* font-size: clamp(1.7rem, 5vw, 3.5rem); */
}

h2 {
  /* font-size: clamp(1.5rem, 4vw, 2.5rem); */
}

h3 {
  /* font-size: clamp(1.25rem, 3vw, 2rem); */
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--tertiary);
}

Selection
::selection {
  background: var(--primary);
  /* color: var(--text-light); */
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--tertiary);
}


/* Header Section */
.event-header {
  background: var(--gradient-dark);
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
  text-align: center;
}

.banner-container {
  margin: 0;
  max-width: 100%;
  /* border-radius: var(--radius-lg); */
  overflow: hidden;
  /* box-shadow: var(--shadow-lg); */
  animation: fadeInUp 0.6s ease-out;
}

.banner-container img {
  width: 100%;
  height: auto;
  display: block;
}

/* Custom Navigation */
.custom-nav {
  background: rgba(19, 24, 55, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid rgba(0, 217, 255, 0.2);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: right;
  gap: var(--spacing-md);
}

.event-title {
  /* font-size: 1.25rem; */
  margin: 0;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  /* font-weight: 600; */
  color: var(--primary);
}

.nav-buttons {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

/* Main Content */
main {
  /* padding: var(--spacing-2xl) 0; */
}

main h1 {
  text-align: center;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.6s ease-out;
}

main h2, main h3 {
  text-align: center;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
  color: var(--text-secondary);
  animation: fadeInUp 0.6s ease-out;
}

.event-description {
  max-width: 700px;
  margin: var(--spacing-lg) auto 0;
  animation: fadeInUp 0.6s ease-out;
  margin-bottom: var(--spacing-3xl);
}

.event-description p {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
  text-align: justify;
  font-weight: 400;
  font-style: italic;
  opacity: 0.9;
}

@media (max-width: 768px) {
  .event-description {
    max-width: 100%;
    margin: var(--spacing-md) 0 0;
  }
  
  .event-description p {
    font-size: 1rem;
    line-height: 1.5;
  }
}

@media (max-width: 480px) {
  .event-description p {
    font-size: 0.95rem;
    line-height: 1.4;
  }
}

.hero-button {
  text-align: center;
}

.hero-button .btn {
  font-size: 1rem;
  padding: var(--spacing-sm) var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.6s ease-out;
}

.hero-button .btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

/* Speakers and Flyer Section */
.speakers-flyer-section {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  align-items: start;
}

.speakers-info h3 {
  margin-bottom: var(--spacing-xl);
  text-align: center;
  animation: fadeInUp 0.6s ease-out;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.speaker-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
  animation: fadeInUp 0.6s ease-out;
  text-align: justify;
}

.speaker-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.speaker-card h4 {
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.speaker-title {
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.speaker-card p:last-child {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0;
}

.flyer-section {
  position: sticky;
  top: calc(var(--spacing-2xl) + 80px);
}

.flyer-container {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  animation: fadeInUp 0.6s ease-out;
}

.flyer-container:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(131, 56, 236, 0.2);
}

.flyer-container img {
  width: 100%;
  height: auto;
  display: block;
}

/* Event Information */
.event-info {
  margin-bottom: var(--spacing-2xl);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-2xl);
}

.location-info,
.date-info {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: fadeInUp 0.6s ease-out;
}

.location-info h3,
.date-info h3 {
  color: var(--primary);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.location-details p,
.date-details p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.location-details strong,
.date-details strong {
  color: var(--text-primary);
}

.schedule-summary {
  /* background: rgba(0, 217, 255, 0.05); */
  /* border-radius: var(--radius-md); */
  /* padding: var(--spacing-md); */
  margin-top: var(--spacing-lg);
}

.schedule-summary h4 {
  color: var(--primary);
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

.schedule-summary ul {
  list-style: none;
  padding: 0;
}

.schedule-summary li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.schedule-summary li:last-child {
  border-bottom: none;
}

/* Footer */
.event-footer {
  background: var(--bg-card);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.contact-section,
.organizers-section,
.sponsors-section {
  text-align: center;
}

.contact-section h4,
.organizers-section h4,
.sponsors-section h4 {
  color: var(--primary);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.contact-section p,
.organizers-section p,
.sponsors-section p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
}

.contact-section strong {
  color: var(--text-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .speakers-flyer-section {
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
  }

  .flyer-section {
    position: static;
    order: -1;
  }

  .speakers-grid {
    grid-template-columns: 1fr 1fr !important;
  }
}

@media (max-width: 768px) {
  .speakers-flyer-section {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .nav-container {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .event-title h3 {
    font-size: 1rem;
    text-align: center;
  }

  .nav-buttons {
    flex-wrap: wrap;
    justify-content: center;
  }

  .info-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .speakers-grid {
    grid-template-columns: 1fr !important;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .custom-nav {
    padding: var(--spacing-sm) 0;
  }
 
  .nav-buttons {
    flex-direction: column;
    width: 100%;
  }
 
  .nav-buttons .btn {
    width: 100%;
    max-width: 200px;
  }
 
  main {
    padding: var(--spacing-lg) 0;
  }
 
  .speaker-card,
  .location-info,
  .date-info {
    padding: var(--spacing-md);
  }
}

/* Navigation Enhancements */

/* Brand Link */
/* .nav-brand { */
/*   display: flex; */
/*   align-items: center; */
/* } */
/**/
/* .brand-link { */
/*   text-decoration: none; */
/*   transition: transform var(--transition-fast); */
/* } */
/**/
/* .brand-link:hover { */
/*   transform: scale(1.05); */
/*   color: var(--tertiary); */
/* } */

/* Navigation Toggle (Mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  cursor: pointer;
  z-index: 200;
}

.nav-toggle span {
  width: 100%;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav-toggle:hover span {
  background: var(--tertiary);
}

/* Utility Classes */
.mt-3 {
  margin-top: var(--spacing-lg) !important;
}

.text-center {
  text-align: center;
}

.hidden {
  display: none !important;
}

.nav-links {
  display: flex;
  gap: var(--spacing-xl);
  list-style: none;
  margin-left: auto;
}

/* Responsive Navigation */
@media (max-width: 768px) {
  .nav-container {
    position: relative;
    padding: var(--spacing-md);
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: right;
    padding: var(--spacing-xl) var(--spacing-md);
    gap: var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-links.active {
    max-height: 500px;
    opacity: 1;
  }
  
  .nav-links li {
    width: 100%;
    text-align: center;
  }
  
  .nav-links .btn {
    width: 100%;
    max-width: 200px;
  }
}

.btn {
  color: var(--text-primary);
}

/* Additional button hover effects for navbar */
nav .btn:hover {
  /* transform: translateY(-2px); */
  box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
  color: var(--text-light);
}

nav .btn-outline:hover {
  background: var(--primary);
  /* color: var(--bg-dark); */
  border-color: var(--primary);
  box-shadow: 0 4px 20px rgba(0, 217, 255, 0.4);
}

/* Active nav link styling */
.nav-link.active {
  color: var(--primary);
}

.nav-link.active::after {
  width: 100%;
}

/* Container max-width for consistency */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* Additional animation for page load */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Ensure smooth scrolling */
html {
  scroll-behavior: smooth;
}

.footer-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  /* gap: var(--spacing-xl); */
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  /* gap: var(--spacing-sm); */
  transition: transform var(--transition-base);
}

.logo-item:hover {
  transform: scale(1.05);
}

.logo-item img {
  /* width: 80px; */
  height: 120px;
  object-fit: contain;
  /* filter: brightness(0.8); */
  transition: filter var(--transition-base);
  border-radius: var(--radius-md);
  /* background: rgba(255, 255, 255, 0.05); */
  padding: var(--spacing-sm);
}

.organizers-section .logo-item:last-child img {
  height: 95px;
}

.sponsors-section .logo-item:last-child img {
  height: 130px;
}

.logo-item:hover img {
  /* filter: brightness(1); */
}

/* Responsive adjustments for speaker cards and footer logos */
@media (max-width: 1024px) {
  .speakers-flyer-section {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .flyer-section {
    position: static;
    order: -1;
  }
  
  .speakers-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

.speaker-image {
  text-align: center;
}

.speaker-image img {
  width: 150px;
}

@media (max-width: 768px) {
  .speakers-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-logos {
    gap: var(--spacing-lg);
  }
  
  .logo-item img {
    /* width: 120px; */
    height: 110px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .speaker-card {
    padding: var(--spacing-md);
  }

  .footer-logos {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}