/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body.overflow-hidden {
  overflow: hidden;
}

:root {
  --primary-color: #2c5530;
  --secondary-color: #4a7c59;
  --accent-color: #81c784;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --white: #ffffff;
  --light-bg: #f8f9fa;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px; /* Increase scroll padding for fixed navbar */
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  height: 40px;
  width: 40px;
  border-radius: 50%;
  background: var(--primary-color);
}

.logo-text {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger.active .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  margin: 3px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero-text {
  /* max-width: 800px; */
  color: var(--white);
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.conference-theme {
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 2rem;
  color: var(--accent-color);
}

.conference-details {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 3rem;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
}

.detail-item i {
  color: var(--accent-color);
  font-size: 1.2rem;
}

.conference-highlights {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 3rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  border: 2px solid var(--accent-color);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.1rem;
  color: var(--white);
  line-height: 1.4;
}

.highlight-item i {
  color: var(--accent-color);
  font-size: 1.3rem;
  min-width: 20px;
}

.highlight-item strong {
  color: var(--accent-color);
  font-weight: 700;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 15px 30px;
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: var(--accent-color);
  color: var(--white);
}

.btn-primary:hover {
  background: #66bb6a;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(129, 199, 132, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--primary-color);
}

.btn-accent {
  background: var(--secondary-color);
  color: var(--white);
}

.btn-accent:hover {
  background: #3e6b47;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(74, 124, 89, 0.4);
}

/* Section Styles */
section {
  padding: 100px 0;
  scroll-margin-top: 120px; /* Increase scroll margin to account for fixed navbar */
  position: relative;
}

/* Create invisible anchor point above each section */
section::before {
  content: "";
  display: block;
  height: 120px; /* Same as navbar height + buffer */
  margin-top: -120px;
  visibility: hidden;
  pointer-events: none;
}

/* Target pseudo-class for better anchor behavior */
section:target {
  scroll-margin-top: 120px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.section-header p {
  font-size: 1.2rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about {
  background: var(--light-bg);
}

.about .section-header {
  text-align: center;
  margin-bottom: 60px;
  padding-top: 50px; /* Additional padding for about section header */
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.conference-highlights {
  margin-top: 2rem;
}

.conference-highlights h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.conference-highlights ul {
  list-style: none;
}

.conference-highlights li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.conference-highlights i {
  color: var(--accent-color);
  font-size: 1.1rem;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.stat-item h3 {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-item p {
  color: var(--text-light);
  font-weight: 500;
}

/* Call for Papers Section */
.call-for-papers {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--light-bg) 0%, #f1f8f1 100%);
}

/* Deadline Alert */
.deadline-alert {
  margin: 3rem 0;
}

.alert-content {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
  color: white;
  padding: 2rem 3rem;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
}

.alert-content i {
  font-size: 2rem;
  margin-right: 1.5rem;
  color: #fff;
}

.alert-text {
  flex: 1;
}

.alert-text strong {
  display: block;
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.alert-text span {
  font-size: 1rem;
  opacity: 0.9;
}

.btn-urgent {
  background: var(--white);
  color: #ee5a52;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
}

.btn-urgent:hover {
  background: #f8f9fa;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Overview Section */
.call-overview {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  margin: 4rem 0;
  align-items: center;
}

.overview-content h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

.overview-content p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-light);
}

.overview-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Research Themes */
.research-themes {
  margin: 5rem 0;
}

.research-themes h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.8rem;
  text-align: center;
}

.research-themes > p {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.theme-item {
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 4px solid var(--primary-color);
}

.theme-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.theme-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.theme-icon i {
  font-size: 2rem;
  color: white;
}

.theme-item h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.theme-item p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Submission Process */
.submission-process {
  margin: 5rem 0;
}

.submission-process h3 {
  color: var(--primary-color);
  margin-bottom: 3rem;
  font-size: 1.8rem;
  text-align: center;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.step-item {
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  position: relative;
  transition: var(--transition);
}

.step-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.step-number {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 60px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.step-content {
  padding-top: 2rem;
  text-align: center;
}

.step-content h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.step-content p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.step-content ul {
  list-style: none;
  text-align: left;
}

.step-content li {
  padding: 0.5rem 0;
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-light);
  font-size: 0.9rem;
}

.step-content li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

/* Submission Requirements */
.submission-requirements {
  margin: 5rem 0;
}

.submission-requirements h3 {
  color: var(--primary-color);
  margin-bottom: 3rem;
  font-size: 1.8rem;
  text-align: center;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.requirement-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.requirement-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.requirement-card i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.requirement-card h4 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.requirement-card ul {
  list-style: none;
  text-align: left;
}

.requirement-card li {
  padding: 0.5rem 0;
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-light);
}

.requirement-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

/* Call to Action */
.call-to-action {
  margin: 5rem 0 0;
  text-align: center;
}

.cta-content {
  background: var(--white);
  padding: 4rem 3rem;
  border-radius: var(--border-radius);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  max-width: 800px;
  margin: 0 auto;
}

.cta-content h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 2rem;
}

.cta-content p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 2.5rem;
  color: var(--text-light);
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.cta-buttons .btn {
  padding: 1.2rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cta-note {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #eee;
  color: var(--text-light);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.cta-note i {
  color: var(--primary-color);
}

.cta-note strong {
  color: var(--primary-color);
}

/* Speakers Section */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.speaker-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.speaker-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.speaker-image {
  height: 300px;
  background: var(--light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.speaker-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center top;
}

.speaker-info {
  padding: 2rem;
}

.speaker-info h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.speaker-title {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.speaker-institution {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.speaker-topic {
  font-style: italic;
  color: var(--secondary-color);
}

/* Committee Section */
.committee {
  background: var(--light-bg);
}

.committee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.committee-member {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.committee-member:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.member-image {
  height: 350px;
  background: var(--light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.member-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-info {
  padding: 1rem;
}

.member-info h3 {
  color: var(--primary-color);
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
  line-height: 1.2;
}

.member-title {
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--secondary-color);
  font-size: 0.8rem;
  line-height: 1.2;
}

.member-institution {
  color: var(--text-light);
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  line-height: 1.2;
}

.member-email {
  color: var(--secondary-color);
  font-size: 0.7rem;
  margin-bottom: 0.3rem;
  word-break: break-all;
  line-height: 1.2;
}

.member-specialization {
  font-style: italic;
  color: var(--secondary-color);
  font-size: 0.75rem;
  line-height: 1.2;
}

/* Responsive adjustments for committee grid */
@media (min-width: 1024px) {
  .committee-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .committee-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 480px) and (max-width: 767px) {
  .committee-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 479px) {
  .committee-grid {
    grid-template-columns: 1fr;
  }
  .member-image {
    height: 150px;
  }
}

/* Program Section */
.program {
  background: var(--light-bg);
}

.program-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.tab-button {
  padding: 1rem 2rem;
  background: var(--white);
  border: 2px solid #ddd;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.tab-button.active {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.tab-button:hover {
  background: var(--accent-color);
  color: var(--white);
}

.tab-content {
  display: none;
  background: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.tab-content.active,
.tab-content[style*="display: block"] {
  display: block !important;
}

.tab-content h3 {
  color: var(--primary-color);
  margin-bottom: 2rem;
  text-align: center;
}

.schedule {
  max-width: 800px;
  margin: 0 auto;
}

.schedule-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid #eee;
}

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

.time {
  font-weight: 600;
  color: var(--primary-color);
  font-size: 1.1rem;
}

.event h4 {
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.event p {
  color: var(--text-light);
}

/* Registration Section */
.registration-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.overview-item {
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.overview-item:hover {
  transform: translateY(-5px);
}

.overview-item i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.overview-item h4 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.overview-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.registration-steps {
  margin: 4rem 0;
}

.registration-steps h3 {
  text-align: center;
  color: var(--primary-color);
  margin-bottom: 3rem;
  font-size: 2rem;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.step {
  text-align: center;
  padding: 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
  flex-shrink: 0;
  z-index: 1;
}

.step h4 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  margin-top: 50px;
  z-index: 2;
  position: relative;
}

.step p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.pricing-section {
  margin: 4rem 0;
}

.pricing-section h3 {
  text-align: center;
  color: var(--primary-color);
  margin-bottom: 3rem;
  font-size: 2rem;
}

.pricing-table {
  display: grid;
  grid-template-columns: repeat(5, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.price-card {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 3px solid transparent;
  overflow: hidden;
}

.price-card.featured {
  border-color: var(--accent-color);
  transform: scale(1.02);
}

.price-card.special {
  border-color: var(--secondary-color);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.price-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.card-header {
  padding: 2rem 1.5rem 1rem;
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
}

.price-card.special .card-header {
  background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.card-header h4 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.price {
  margin-bottom: 0;
}

.currency {
  font-size: 1rem;
  opacity: 0.8;
}

.amount {
  font-size: 2.5rem;
  font-weight: 700;
}

.features {
  list-style: none;
  padding: 1.5rem;
  margin: 0;
}

.features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
}

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

.features i {
  color: var(--primary-color);
  margin-right: 0.75rem;
  width: 16px;
}

.price-card.special .features i {
  color: #ffd700;
}

.registration-bottom {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  margin-top: 4rem;
}

.important-dates {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  height: fit-content;
}

.important-dates h3 {
  color: var(--primary-color);
  margin-bottom: 2rem;
  text-align: center;
}

.dates-timeline {
  position: relative;
}

.dates-timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary-color);
}

.date-item {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
  position: relative;
}

.date-item:last-child {
  margin-bottom: 0;
}

.date-marker {
  width: 30px;
  height: 30px;
  background: var(--primary-color);
  border-radius: 50%;
  margin-right: 1.5rem;
  position: relative;
  z-index: 1;
}

.date-content {
  flex: 1;
}

.date-content strong {
  display: block;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.date-content span {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* Forms */
.registration-form,
.contact-form {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.registration-form h3,
.contact-form h3 {
  color: var(--primary-color);
  margin-bottom: 2rem;
  text-align: center;
  font-size: 1.8rem;
}

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

.cta-description {
  font-size: 1.1rem;
  color: var(--text-color);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.cta-features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-color);
}

.feature-item i {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.feature-item span {
  font-weight: 500;
  font-size: 0.9rem;
}

.cta-note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1.2rem;
  border: 2px solid #e1e8ed;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  background: #fafbfc;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-large {
  padding: 1.5rem 3rem;
  font-size: 1.2rem;
  font-weight: 600;
  width: 100%;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.btn-large i {
  font-size: 1.3rem;
}

/* Venue Section */
.venue {
  background: var(--light-bg);
}

.venue-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.venue-info h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.venue-info p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.venue-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.detail {
  display: flex;
  gap: 1rem;
  align-items: start;
}

.detail i {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-top: 0.2rem;
}

.detail h4 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.venue-map {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: start;
}

.contact-item i {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-top: 0.2rem;
}

.contact-item h4 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.contact-item p {
  color: var(--text-light);
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: 1rem;
  color: var(--accent-color);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #bdc3c7;
  text-decoration: none;
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--accent-color);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  border-radius: 50%;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--accent-color);
  transform: translateY(-2px);
}

.publication-partner {
  margin: 1.5rem 0;
}

.publication-partner p {
  font-size: 0.9rem;
  color: #bdc3c7;
  margin-bottom: 0.8rem;
  font-weight: 500;
}

.publication-partner img {
  margin-right: 15px;
  margin-bottom: 10px;
}

.scopus-logo {
  height: 40px;
  width: auto;
  filter: brightness(0.9);
  transition: var(--transition);
}

.scopus-logo:hover {
  filter: brightness(1.1);
  transform: scale(1.05);
}

.emerald-logo {
  height: 40px;
  width: auto;
  filter: brightness(0.9);
  transition: var(--transition);
}

.emerald-logo:hover {
  filter: brightness(1.1);
  transform: scale(1.05);
}

.footer-bottom {
  border-top: 1px solid #34495e;
  padding-top: 1rem;
  text-align: center;
  color: #bdc3c7;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .pricing-table {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
  }

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

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

@media (max-width: 768px) {
  .hamburger {
    display: flex !important;
    z-index: 9999 !important;
    position: relative;
  }

  .nav-menu {
    position: fixed !important;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background-color: #fff !important;
    flex-direction: column !important;
    justify-content: center;
    align-items: center;
    transition: left 0.3s ease;
    z-index: 9998 !important;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
  }

  .nav-menu.active {
    left: 0 !important;
  }

  .nav-menu .nav-item {
    margin: 0;
    width: 100%;
  }

  .nav-menu .nav-link {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-bottom: 1px solid #eee;
    width: 100%;
    display: block;
  }

  .nav-menu .nav-link:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .conference-theme {
    font-size: 1.5rem;
  }

  .conference-details {
    flex-direction: column;
    gap: 1rem;
  }

  .conference-highlights {
    padding: 1rem;
    gap: 0.8rem;
  }

  .highlight-item {
    font-size: 1rem;
    gap: 0.8rem;
  }

  .about-content,
  .venue-content,
  .contact-content,
  .registration-bottom {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .registration-overview,
  .steps-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .step {
    padding: 1.5rem;
  }

  .step-number {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    margin-bottom: 1rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .alert-content {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
    padding: 2rem;
  }

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

  .overview-stats {
    grid-template-columns: 1fr 1fr;
  }

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

  .process-steps {
    grid-template-columns: 1fr;
  }

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

  .cta-content {
    padding: 2.5rem 2rem;
  }

  .cta-buttons {
    flex-direction: column;
    gap: 1rem;
  }

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

  .program-tabs {
    flex-direction: column;
    gap: 0.5rem;
  }

  .pricing-table {
    grid-template-columns: 1fr;
  }

  .price-card.featured {
    transform: none;
  }

  .schedule-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  section {
    padding: 60px 0;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .overview-stats {
    grid-template-columns: 1fr;
  }

  .alert-content {
    padding: 1.5rem;
  }

  .alert-text strong {
    font-size: 1.1rem;
  }

  .cta-content {
    padding: 2rem 1.5rem;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }

  .tab-content {
    padding: 1.5rem;
  }

  .registration-form,
  .contact-form {
    padding: 1.5rem;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-text {
  animation: fadeInUp 1s ease-out;
}

/* Loading animation for images */
.speaker-image,
.venue-map {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Submission Guidelines Page Styles */
.guidelines-header {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
  padding: 8rem 0 4rem;
  text-align: center;
}

.header-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.header-content p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 1rem;
  opacity: 0.8;
}

.breadcrumb a {
  color: white;
  text-decoration: none;
  transition: var(--transition);
}

.breadcrumb a:hover {
  opacity: 1;
  text-decoration: underline;
}

.breadcrumb i {
  font-size: 0.8rem;
}

/* Important Dates Section */
.important-dates-section {
  padding: 6rem 0;
  background: var(--light-bg);
}

.dates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.date-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border-top: 4px solid var(--primary-color);
}

.date-card.urgent {
  border-top-color: #e74c3c;
  background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
}

.date-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.date-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.date-card.urgent .date-icon {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.date-icon i {
  font-size: 2rem;
  color: white;
}

.date-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.date-card .date {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.date-card.urgent .date {
  color: #e74c3c;
}

/* Submission Process */
.submission-process {
  padding: 6rem 0;
}

.process-timeline {
  margin-top: 3rem;
}

.process-step {
  display: flex;
  gap: 3rem;
  margin-bottom: 4rem;
  align-items: flex-start;
}

.process-step:last-child {
  margin-bottom: 0;
}

.step-number {
  width: 80px;
  height: 80px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-content h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.step-content p {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.step-content ul {
  list-style: none;
  margin-bottom: 1.5rem;
}

.step-content ul li {
  padding: 0.5rem 0;
  position: relative;
  padding-left: 1.5rem;
}

.step-content ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

.submission-button {
  margin-top: 1rem;
}

/* Conference Themes */
.conference-themes {
  padding: 6rem 0;
  background: var(--light-bg);
}

.themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.theme-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.theme-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.theme-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.theme-icon i {
  font-size: 1.8rem;
  color: white;
}

.theme-card h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.theme-card ul {
  list-style: none;
}

.theme-card ul li {
  padding: 0.5rem 0;
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-light);
}

.theme-card ul li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

/* Formatting Guidelines */
.formatting-guidelines {
  padding: 6rem 0;
}

.guidelines-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
}

.guideline-section {
  margin-bottom: 3rem;
}

.guideline-section h3 {
  color: var(--primary-color);
  margin-bottom: 2rem;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.requirement-box {
  background: var(--light-bg);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  border-left: 4px solid var(--primary-color);
}

.requirement-box h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.requirement-box ul,
.requirement-box ol {
  margin-left: 1.5rem;
}

.requirement-box li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.guidelines-sidebar {
  height: fit-content;
}

.download-templates,
.contact-help {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.download-templates h3,
.contact-help h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.template-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.template-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--light-bg);
  border-radius: var(--border-radius);
  text-decoration: none;
  color: var(--text-dark);
  transition: var(--transition);
}

.template-link:hover {
  background: var(--primary-color);
  color: white;
  transform: translateX(5px);
}

.template-link i {
  color: var(--primary-color);
  font-size: 1.5rem;
}

.template-link:hover i {
  color: white;
}

.template-link strong {
  display: block;
  margin-bottom: 0.25rem;
}

.template-link span {
  font-size: 0.9rem;
  opacity: 0.8;
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--text-light);
}

.contact-info i {
  color: var(--primary-color);
  width: 20px;
}

/* Review Criteria */
.review-criteria {
  padding: 6rem 0;
  background: var(--light-bg);
}

.criteria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.criteria-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.criteria-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.criteria-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.criteria-icon i {
  font-size: 1.8rem;
  color: white;
}

.criteria-card h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.criteria-card ul {
  list-style: none;
  margin-bottom: 2rem;
}

.criteria-card ul li {
  padding: 0.5rem 0;
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-light);
}

.criteria-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

.weight {
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
}

/* Submission Form */
.submission-form-section {
  padding: 6rem 0;
}

.form-container {
  max-width: 800px;
  margin: 3rem auto 0;
}

.submission-form {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.form-section {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #eee;
}

.form-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.form-section h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-section h3::before {
  content: "";
  width: 4px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 2px;
}

.checkbox-group {
  margin-bottom: 1rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid #ddd;
  border-radius: 4px;
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: bold;
}

.form-actions {
  text-align: center;
  margin-top: 3rem;
}

.form-note {
  margin-top: 1.5rem;
  color: var(--text-light);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* FAQ Section */
.faq-section {
  padding: 6rem 0;
  background: var(--light-bg);
}

.faq-content {
  margin-top: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-question {
  padding: 2rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--light-bg);
}

.faq-question h3 {
  color: var(--primary-color);
  font-size: 1.2rem;
  margin: 0;
}

.faq-question i {
  color: var(--primary-color);
  transition: var(--transition);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 2rem 2rem;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-answer p {
  color: var(--text-light);
  line-height: 1.6;
}

/* Responsive Design for Guidelines Page */
@media (max-width: 768px) {
  .guidelines-header {
    padding: 6rem 0 3rem;
  }

  .header-content h1 {
    font-size: 2.5rem;
  }

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

  .process-step {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

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

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

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

  .submission-form {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .header-content h1 {
    font-size: 2rem;
  }

  .header-content p {
    font-size: 1.1rem;
  }

  .date-card,
  .theme-card,
  .criteria-card {
    padding: 2rem 1.5rem;
  }

  .submission-form {
    padding: 1.5rem 1rem;
  }
}

/* Awards Section */
.awards {
  padding: 5rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.award-card {
  background: white;
  padding: 2.5rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 2px solid transparent;
}

.award-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.award-card.featured {
  border-color: var(--accent-color);
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
}

.award-card i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.award-card.featured i {
  color: var(--accent-color);
}

.award-card h3 {
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.award-card p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.award-prize {
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-weight: 600;
  display: inline-block;
}

.award-card.featured .award-prize {
  background: var(--accent-color);
}

/* Payment Details Section */
.payment-details {
  padding: 5rem 0;
  background: white;
}

.payment-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-top: 3rem;
}

.membership-info {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
  padding: 3rem;
  border-radius: 15px;
  text-align: center;
}

.membership-info h3 {
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

.membership-info p {
  margin-bottom: 2rem;
  opacity: 0.9;
}

.membership-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.membership-link a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  border: 2px solid white;
  padding: 1rem 2rem;
  border-radius: 50px;
  transition: var(--transition);
}

.membership-link a:hover {
  background: white;
  color: var(--primary-color);
}

.bank-details {
  background: #f8f9fa;
  padding: 3rem;
  border-radius: 15px;
}

.bank-details h3 {
  color: var(--text-dark);
  margin-bottom: 2rem;
  font-size: 1.8rem;
}

.bank-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.bank-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: white;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.bank-item i {
  color: var(--primary-color);
  font-size: 1.2rem;
  width: 25px;
}

.bank-detail {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.bank-detail strong {
  color: var(--text-dark);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.bank-detail span {
  color: var(--text-light);
  font-size: 1.1rem;
  font-weight: 600;
}

.payment-note {
  background: #e3f2fd;
  border-left: 4px solid var(--accent-color);
  padding: 1.5rem;
  border-radius: 0 10px 10px 0;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.payment-note i {
  color: var(--accent-color);
  margin-top: 0.2rem;
}

.payment-note p {
  color: var(--text-dark);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Publication Journals Section */
.publication-journals {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: 2rem;
  border-radius: 10px;
  margin: 1.5rem 0;
  border-left: 4px solid var(--primary-color);
}

.publication-journals ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.publication-journals li {
  padding: 0.75rem 0;
  border-bottom: 1px solid #dee2e6;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.publication-journals li:last-child {
  border-bottom: none;
}

.publication-journals li::before {
  content: "📚";
  font-size: 1.2rem;
  min-width: 25px;
}

.publication-journals strong {
  color: var(--text-dark);
}

/* Responsive Design for New Sections */
@media (max-width: 768px) {
  .awards-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .award-card {
    padding: 2rem;
  }

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

  .membership-info,
  .bank-details {
    padding: 2rem;
  }

  .bank-item {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
}