.bg-historical {
  background: linear-gradient(135deg, #0a1f44, #1e3c72);
  color: white;
}

.delofe-style {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #003366;
  text-decoration: none;
}

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(135deg, blue 0%, rgb(157, 103, 8) 100%);
  color: white;
  padding: 6rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  transform: translate(100px, -100px);
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.2rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  color: white;
}

.btn-primary {
  background-color: #ff6b35;
  color: white;
  padding: 1rem 2.5rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
  background-color: #ff8a5b;
  transform: translateY(-3px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
  background-color: transparent;
  color: white;
  padding: 1rem 2.5rem;
  border: 2px solid white;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-secondary:hover {
  background-color: white;
  color: #003366;
}

/* ===== CONTAINER & SECTIONS ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 2.5rem 2rem;
}

section.alt-bg {
  background-color: #f9fafb;
  background-color: #6b728010;
}

section.institution-bg {
  background: linear-gradient(rgba(0, 255, 170, 0.144), rgba(0, 0, 255, 0.133));
}

h2 {
  font-size: 2.8rem;
  margin-bottom: 1.2rem;
  text-align: center;
  font-weight: 800;
  letter-spacing: -0.5px;
}

h3 {
  font-size: 1.5rem;
  color: #003366;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

/* ===== ABOUT SECTION ===== */
.about-content {
  max-width: 850px;
  margin: 0.75em auto;
  text-align: center;
}

.about-content p {
  font-size: 1.1rem;
  color: #6b7280;
  margin-bottom: 0.5rem;
  line-height: 1.8;
}

/* ===== STATISTICS SECTION ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.stat-card {
  background: linear-gradient(135deg, #003366 0%, #004080 100%);
  color: white;
  padding: 2.5rem 2rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 0.95rem;
  opacity: 0.95;
  font-weight: 500;
}

/* ===== PROCESS SECTION ===== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.step {
  position: relative;
  padding: 2.5rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: all 0.3s ease;
  border-left: 4px solid #0066cc;
}

.step:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #003366, #0066cc);
  color: white;
  border-radius: 8px;
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
}

.step h4 {
  color: #003366;
  margin-bottom: 0.8rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.step p {
  color: #6b7280;
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== UNIVERSITIES SECTION ===== */
.institutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.institution-card {
  background: white;
  padding: 2.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  border-left: 5px solid #0066cc;
  transition: all 0.3s ease;
}

.institution-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.institution-card h4 {
  color: #003366;
  margin-bottom: 1rem;
  font-size: 1.2rem;
  font-weight: 700;
}

.institution-card p {
  color: #6b7280;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== FAQ SECTION ===== */
.faq-container {
  max-width: 850px;
  margin: 0.5em auto;
}

.faq-item {
  background: white;
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.faq-question {
  background: #f9fafb;
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: #003366;
  transition: all 0.3s ease;
  border-left: 4px solid transparent;
}

.faq-question:hover {
  background: #f3f4f6;
  border-left-color: #ff6b35;
}

.faq-toggle {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  color: #0066cc;
}

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

.faq-answer {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  background: #f9fafb;
}

.faq-item.active .faq-answer {
  padding: 1.5rem;
  max-height: 1000px;
}

.faq-answer p {
  color: #6b7280;
  line-height: 1.8;
  margin: 0;
  font-size: 0.95rem;
}

.disciplines-list {
  list-style: none;
}

.disciplines-list li::before {
  content: "✔";
  color: green;
  margin-right: 8px;
}

/* ===== PAPER PUBLISHING SECTION ===== */
.paper-publishing {
  background: linear-gradient(135deg, #f8fafb 0%, #f0f5fb 100%);
  padding: 4rem 2rem;
}

.paper-publishing>*:first-child {
  font-size: 2.2rem;
  font-weight: 700;
  color: #0066cc;
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: 0.5px;
  text-transform: capitalize;
}

.paper-publishing ul {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.paper-publishing li {
  background: white;
  padding: 2.2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
  border-left: 5px solid #ff6b35;
  font-size: 1rem;
  line-height: 1.7;
  color: #374151;
  font-weight: 500;
}

.paper-publishing li:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 16px rgba(0, 102, 204, 0.15);
  border-left-color: #0066cc;
}

.paper-publishing li::before {
  content: "✓";
  display: inline-block;
  width: 28px;
  height: 28px;
  background: #0066cc;
  color: white;
  border-radius: 50%;
  text-align: center;
  line-height: 28px;
  margin-right: 1rem;
  font-weight: 700;
  flex-shrink: 0;
}

.paper-publishing li {
  display: flex;
  align-items: flex-start;
}

/* ===== FAST PUBLICATION SECTION ===== */
.fast-publication {
  background: linear-gradient(180deg, #1b1313 0%, #7d9bc2 100%);
  padding: 4.5rem 2rem;
  border-top: 1px solid #e5e7eb;
  position: relative;
  overflow: hidden;
}

.fast-publication::before {
  content: '';
  position: absolute;
  top: 0;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 102, 204, 0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.fast-publication .container {
  position: relative;
  z-index: 1;
}

.fast-publication h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: #0066cc;
  text-align: center;
  margin-bottom: 2.5rem;
  letter-spacing: 0.5px;
  text-transform: capitalize;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid #ff6b35;
  width: 90%;
}

.fast-publication>p {
  max-width: 1000px;
  margin: 0 auto 1.5rem;
  font-size: 1rem;
  line-height: 1.8;
  color: white;
  text-align: justify;
  padding: 0 1rem;
}

.fast-publication h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: lightgoldenrodyellow;
  text-align: left;
  margin: 3rem 0 2rem 0;
  letter-spacing: 0.3px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.fast-publication ul {
  list-style: none;
  padding: 0;
  margin: 0 auto 3rem;
  max-width: 1000px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
  color: white;
}

.fast-publication ul li::before {
  content: "▸";
  display: inline-block;
  color: #ff6b35;
  margin-right: 1rem;
  font-weight: 700;
  font-size: 1.2rem;
}

/* ===== STATISTICS LIST SECTION ===== */
.statistics-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
  padding: 0;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.statistics-list li {
  padding: 2.5rem;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  border: 2px solid transparent;
}

.statistics-list li::before {
  content: '✓';
  position: absolute;
  top: 0px;
  right: 10px;
  font-size: 2rem;
  opacity: 0.2;
  font-weight: 800;
}

.statistics-list li:nth-child(1):hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
  border-color: #ff6b35;
  box-shadow: 2px 2px 15px #ff6b35;
  color: #ff6b35;
}

.statistics-list li:nth-child(2):hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
  border-color: #10b981;
  box-shadow: 2px 2px 15px #10b981;
  color: #10b981;
}

.statistics-list li:nth-child(3):hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
  border-color: #8b5cf6;
  box-shadow: 2px 2px 15px #8b5cf6;
  color: #8b5cf6;
}

.statistics-list li:nth-child(4):hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
  border-color: #ff6b35;
  box-shadow: 2px 2px 15px #ec4899;
  color: #ec4899;
}

.statistics-list li:nth-child(1) {
  border: 2px dashed #ff6b35;
}

.statistics-list li:nth-child(2) {
  border: 2px dashed #10b981;
}

.statistics-list li:nth-child(3) {
  border: 2px dashed #8b5cf6;
}

.statistics-list li:nth-child(4) {
  border: 2px dashed #ec4899;
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, #003366 0%, #004080 100%);
  color: white;
  text-align: center;
  padding: 2rem 3rem;
  border-radius: 12px;
  margin: 0.5em 0;
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.cta-section h3 {
  color: white;
  font-size: 2.2rem;
  margin-bottom: 1rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.cta-section p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  line-height: 1.6;
}

/*==== TOP Rated ==== */

.bg-top-rated {
  background: linear-gradient(whitesmoke, lightcyan);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
  }

  h2 {
    font-size: 2rem;
  }

  .cta-section h3 {
    font-size: 1.8rem;
  }

  .features-list {
    grid-template-columns: 1fr;
  }

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

  section {
    padding: 3rem 1.5rem;
  }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fade {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.best-paper {
  margin: 1.5em 5em;
  padding: 1.5em 2em;
  box-shadow: 2px 2px 15px 5px rgb(0 0 0 / 7%);
  border-radius: 12px;
  background: linear-gradient(whitesmoke, lightyellow);
}

@media screen and (max-width: 768px) {
  .best-paper {
    margin: 1.5em 1.25em;
  }
}