/* =====================================
   Journal of Smart Technologies and Engineering Analytics (JSTEA)
   ADVANCED SCIENTIFIC INNOVATION STYLESHEET
   Color Theme: Deep Purple (#800060) + Scientific Blue
   ===================================== */

/* ---------- Advanced Scientific Color System ---------- */

:root {
  /* Core Innovation Palette */
  --innovation-primary: #800060;    /* Deep innovation purple */
  --quantum-blue: #0066cc;          /* Scientific blue */
  --neon-cyan: #00d4ff;             /* Tech cyan */
  --ai-magenta: #ff00aa;            /* AI magenta */
  --quantum-teal: #00b4b4;          /* Data teal */
  
  /* Gradient Systems */
  --hero-gradient: linear-gradient(135deg, 
    #000000 0%, 
    #800060 30%, 
    #0066cc 70%, 
    #00d4ff 100%);
  --card-gradient: linear-gradient(145deg, 
    #ffffff 0%, 
    #f8f6ff 30%, 
    #f0f8ff 100%);
  --accent-gradient: linear-gradient(90deg, 
    #800060, 
    #ff00aa, 
    #00d4ff);
  --innovation-gradient: linear-gradient(45deg, 
    #800060 0%, 
    #a3007a 25%, 
    #0066cc 50%, 
    #00b4b4 75%, 
    #00d4ff 100%);
  
  /* Neutral Scientific Palette */
  --text-primary: #0a0a14;
  --text-secondary: #3a3a4e;
  --text-muted: #6b6b84;
  --bg-primary: #ffffff;
  --bg-secondary: #f8faff;
  --bg-tertiary: #f0f4ff;
  --border-light: #e8edff;
  --border-medium: #d0d8ff;
  
  /* Advanced Effects */
  --glow-innovation: 0 0 30px rgba(128, 0, 96, 0.4);
  --glow-quantum: 0 0 40px rgba(0, 212, 255, 0.3);
  --shadow-advanced: 0 8px 40px rgba(0, 102, 204, 0.15);
  --shadow-deep: 0 12px 60px rgba(128, 0, 96, 0.2);
  
  /* Typography System */
  --font-scientific: "Inter", "SF Pro Display", -apple-system, sans-serif;
  --font-innovation: "Poppins", var(--font-scientific);
  --font-mono: "SF Mono", "Fira Code", monospace;
  
  /* Advanced Transitions */
  --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-quantum: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-scientific);
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.8;
  font-weight: 400;
  overflow-x: hidden;
  position: relative;
}

/* Quantum Background Pattern */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(128, 0, 96, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 102, 204, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(0, 212, 255, 0.02) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

/* ---------- Quantum Header System ---------- */
header {
  background: var(--hero-gradient);
  color: #ffffff;
  text-align: center;
  padding: 2rem 1rem;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

/* Quantum Particles Animation */
header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(255, 0, 170, 0.1) 0%, transparent 25%),
    radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.1) 0%, transparent 25%),
    radial-gradient(circle at 40% 50%, rgba(128, 0, 96, 0.15) 0%, transparent 30%);
  animation: quantum-float 8s ease-in-out infinite;
  z-index: -1;
}

@keyframes quantum-float {
  0%, 100% { 
    transform: translate(0px, 0px) scale(1);
    opacity: 0.8;
  }
  33% { 
    transform: translate(-10px, -15px) scale(1.05);
    opacity: 1;
  }
  66% { 
    transform: translate(15px, 10px) scale(0.95);
    opacity: 0.6;
  }
}

header h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 0%, #e0f7ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
  position: relative;
}

header p {
  font-size: 1rem;
  opacity: 0.95;
  font-weight: 300;
  letter-spacing: 0.8px;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ---------- Advanced Navigation System ---------- */
nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 30px rgba(128, 0, 96, 0.1);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 2rem;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  padding: 1rem 1.5rem;
  margin: 0 0.2rem;
  border-radius: 12px;
  transition: var(--transition-bounce);
  position: relative;
  font-size: 0.8rem;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  overflow: hidden;
}

/* Quantum Navigation Effects */
nav a::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--accent-gradient);
  transition: var(--transition-smooth);
  z-index: -1;
  opacity: 0;
}

nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--accent-gradient);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
  border-radius: 3px 3px 0 0;
}

nav a:hover {
  color: #ffffff;
  transform: translateY(-2px);
}

nav a:hover::before {
  left: 0;
  opacity: 1;
}

nav a:hover::after {
  width: 80%;
}

nav .blink {
  background: var(--accent-gradient);
  color: white;
  animation: quantum-pulse 2s ease-in-out infinite;
  box-shadow: var(--glow-innovation);
  position: relative;
  overflow: hidden;
}

nav .blink::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, 
    transparent, 
    rgba(255, 255, 255, 0.3), 
    transparent);
  transform: rotate(45deg);
  animation: shine 3s infinite;
}

@keyframes quantum-pulse {
  0%, 100% { 
    transform: scale(1);
    box-shadow: var(--glow-innovation);
  }
  50% { 
    transform: scale(1.05);
    box-shadow: 
      0 0 40px rgba(128, 0, 96, 0.6),
      0 0 80px rgba(0, 212, 255, 0.4);
  }
}

@keyframes shine {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

/* ---------- Advanced Container System ---------- */
.container {
  max-width: 1400px;
  margin: 2rem auto;
  padding: 0 3rem;
  position: relative;
}

/* Quantum Grid Lines */
.container::before {
  content: "";
  position: absolute;
  top: -50px;
  left: 50%;
  width: 90%;
  height: calc(100% + 100px);
  border-left: 1px solid rgba(128, 0, 96, 0.1);
  border-right: 1px solid rgba(128, 0, 96, 0.1);
  transform: translateX(-50%);
  pointer-events: none;
  z-index: -1;
}

/* ---------- Quantum Section System ---------- */
.section {
  margin-bottom: 6rem;
  position: relative;
}

.section-header {
  display: flex;
  align-items: center;
  margin-bottom: 3rem;
  position: relative;
}

.section h2 {
  color: var(--text-primary);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0;
  position: relative;
  background: var(--innovation-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 3px;
   text-decoration: none !important;
}

.section h2::before {
  content: "⟠";
  margin-right: 1rem;
  font-size: 2rem;
  opacity: 0.8;
}

.section h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100px;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: 2px;
  transition: var(--transition-smooth);
  display: none !important;
}

.section:hover h2::after {
  width: 150px;
}

/* ---------- Advanced Card Grid System ---------- */
.interest-grid,
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
  position: relative;

}

.interest-box,
.feature-box {
  background: var(--card-gradient);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 2rem 2rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-bounce);
  box-shadow: var(--shadow-advanced);
  cursor: pointer;
  isolation: isolate;
}

/* Quantum Card Accent */
.interest-box::before,
.feature-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--innovation-gradient);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: -1;
}

.interest-box::after,
.feature-box::after {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--accent-gradient);
  border-radius: 26px;
  z-index: -2;
  opacity: 0;
  transition: var(--transition-smooth);
}

/* Holographic Hover Effect */
.interest-box:hover,
.feature-box:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 
    var(--shadow-deep),
    var(--glow-innovation),
    var(--glow-quantum);
  border-color: transparent;
}

.interest-box:hover::before,
.feature-box:hover::before {
  opacity: 0.05;
}

.interest-box:hover::after,
.feature-box:hover::after {
  opacity: 1;
  animation: border-glow 2s ease-in-out infinite;
}

@keyframes border-glow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.interest-box h3,
.feature-box h3 {
  color: var(--innovation-primary);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 2;
}

.interest-box p,
.feature-box p {
  color: var(--text-secondary);
  position: relative;
  z-index: 2;
  line-height: 1.8;
  font-size: 1.1rem;
}

/* Quantum Icons */
.interest-box .icon,
.feature-box .icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

/* ---------- Advanced Form Styling ---------- */
.submission-form {
  background: var(--card-gradient);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: var(--shadow-advanced);
  position: relative;
  overflow: hidden;
}

.submission-form::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-gradient);
}

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

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-weight: 700;
  color: var(--innovation-primary);
  margin-bottom: 0.8rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  padding: 1rem 1.5rem;
  border: 2px solid var(--border-medium);
  border-radius: 12px;
  font-size: 1rem;
  transition: var(--transition-smooth);
  background: var(--bg-primary);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--innovation-primary);
  box-shadow: 
    0 0 0 3px rgba(128, 0, 96, 0.1),
    var(--glow-innovation);
}

/* ---------- Quantum Footer ---------- */
footer {
  background: linear-gradient(135deg, #000000 0%, #800060 50%, #0066cc 100%);
  color: #ffffff;
  text-align: center;
  padding: 4rem 1rem;
  margin-top: 8rem;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-gradient);
}

footer::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 30% 20%, rgba(255, 0, 170, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
  animation: quantum-float 10s ease-in-out infinite;
}

footer p {
  opacity: 0.9;
  font-weight: 300;
  position: relative;
  z-index: 2;
  font-size: 1.1rem;
}

footer a {
  color: var(--neon-cyan);
  font-weight: 600;
  transition: var(--transition-smooth);
}

footer a:hover {
  color: #ffffff;
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* ---------- Advanced Responsive Design ---------- */
@media (max-width: 1200px) {
  .container {
    padding: 0 2rem;
    margin: 4rem auto;
  }
  
  .interest-grid,
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  header {
    padding: 3rem 1rem;
  }
  
  header h1 {
    font-size: 2.2rem;
  }
  
  .section h2 {
    font-size: 2rem;
  }
  
  .nav-container {
    flex-direction: column;
    padding: 1rem;
  }
  
  nav a {
    margin: 0.3rem;
    padding: 0.8rem 1.2rem;
    font-size: 0.9rem;
    width: 100%;
    text-align: center;
  }
  
  .container {
    padding: 0 1.5rem;
    margin: 3rem auto;
  }
  
  .interest-box,
  .feature-box {
    padding: 2.5rem 2rem;
  }
  
  .submission-form {
    padding: 2rem;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 1.8rem;
  }
  
  header p {
    font-size: 1rem;
    padding: 0.8rem 1.5rem;
  }
  
  .section {
    margin-bottom: 4rem;
  }
  
  .interest-grid,
  .features-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .section h2 {
    font-size: 1.8rem;
  }
}

/* ---------- Quantum Selection & Scrollbar ---------- */
::selection {
  background: rgba(128, 0, 96, 0.3);
  color: var(--text-primary);
}

::-moz-selection {
  background: rgba(128, 0, 96, 0.3);
  color: var(--text-primary);
}

::-webkit-scrollbar {
  width: 12px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--accent-gradient);
  border-radius: 6px;
}

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

/* ---------- Advanced Utility Classes ---------- */
.quantum-glow {
  box-shadow: 
    var(--glow-innovation),
    var(--glow-quantum);
}

.innovation-border {
  border: 2px solid transparent;
  background: 
    linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box,
    var(--accent-gradient) border-box;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Loading Animations ---------- */
@keyframes quantum-spin {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.1); }
  100% { transform: rotate(360deg) scale(1); }
}

.loading-quantum {
  animation: quantum-spin 2s linear infinite;
  background: var(--accent-gradient);
  border-radius: 50%;
}


 /* Research Paper Styling */
        .research-box {
            width: 100%;
            max-width: 600px;
            background: var(--card-gradient);
            border-radius: 24px;
            box-shadow: var(--shadow-advanced);
            overflow: hidden;
            transition: var(--transition-bounce);
            position: relative;
            isolation: isolate;
            border: 1px solid var(--border-light);
        }

        /* Quantum Card Accent */
        .research-box::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--innovation-gradient);
            opacity: 0;
            transition: var(--transition-smooth);
            z-index: -1;
        }

        .research-box::after {
            content: "";
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: var(--accent-gradient);
            border-radius: 26px;
            z-index: -2;
            opacity: 0;
            transition: var(--transition-smooth);
        }

        .research-box:hover {
            transform: translateY(-12px) scale(1.02);
            box-shadow: 
                var(--shadow-deep),
                var(--glow-innovation),
                var(--glow-quantum);
            border-color: transparent;
        }

        .research-box:hover::before {
            opacity: 0.05;
        }

        .research-box:hover::after {
            opacity: 1;
            animation: border-glow 2s ease-in-out infinite;
        }

        @keyframes border-glow {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .research-header {
            background: var(--hero-gradient);
            color: #ffffff;
            padding: 2rem 1rem;
            position: relative;
            overflow: hidden;
        }

        /* Quantum Particles Animation */
        .research-header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 30%, rgba(255, 0, 170, 0.1) 0%, transparent 25%),
                radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.1) 0%, transparent 25%),
                radial-gradient(circle at 40% 50%, rgba(128, 0, 96, 0.15) 0%, transparent 30%);
            animation: quantum-float 8s ease-in-out infinite;
            z-index: -1;
        }

        @keyframes quantum-float {
            0%, 100% { 
                transform: translate(0px, 0px) scale(1);
                opacity: 0.8;
            }
            33% { 
                transform: translate(-10px, -15px) scale(1.05);
                opacity: 1;
            }
            66% { 
                transform: translate(15px, 10px) scale(0.95);
                opacity: 0.6;
            }
        }

        .research-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            background: linear-gradient(135deg, #ffffff 0%, #e0f7ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
            position: relative;
            line-height: 1;
        }

        .research-authors {
            font-size: 1.1rem;
            font-weight: 400;
            margin-bottom: 0.25rem;
            opacity: 0.95;
        }

        .research-journal {
            font-size: 1rem;
            font-style: italic;
            opacity: 0.9;
        }

        .research-details {
            padding: 0.75rem;
            display: flex;
            gap: 2rem;
            align-items: flex-start;
        }

        .details-text {
            flex: 1;
        }

        .detail-item {
            display: flex;
            margin-bottom: 1rem;
            align-items: center;
        }

        .detail-label {
            font-weight: 800;
            width: 80px;
            color: var(--innovation-primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-size: 0.9rem;
        }

        .detail-value {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 1.1rem;
        }

        .image-placeholder {
            width: 350px;
            height: 250px;
            background: var(--bg-tertiary);
            border: 2px dashed var(--border-medium);
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .image-placeholder:hover {
            background: var(--bg-secondary);
            border-color: var(--innovation-primary);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(128, 0, 96, 0.1);
        }

        .image-placeholder i {
            font-size: 2.5rem;
            margin-bottom: 0.8rem;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .image-placeholder span {
            font-size: 0.9rem;
            text-align: center;
            font-weight: 500;
        }

        .research-footer {
            padding: 1.5rem 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-light);
        }

        .read-more {
            background: var(--accent-gradient);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 12px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition-bounce);
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 1rem;
            position: relative;
            overflow: hidden;
        }

        .read-more:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 
                0 10px 25px rgba(128, 0, 96, 0.3),
                var(--glow-innovation);
        }

        .read-more::before {
            content: "";
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, 
                transparent, 
                rgba(255, 255, 255, 0.3), 
                transparent);
            transition: var(--transition-smooth);
        }

        .read-more:hover::before {
            left: 100%;
        }

        .date-social {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .publish-date {
            color: var(--text-muted);
            font-weight: 600;
            font-size: 1rem;
        }

        .social-share {
            display: flex;
            gap: 1rem;
        }

        .social-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            cursor: pointer;
            transition: var(--transition-bounce);
            position: relative;
            overflow: hidden;
        }

        .social-icon::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: inherit;
            opacity: 0.9;
            z-index: -1;
        }

        .social-icon:hover {
            transform: translateY(-5px) scale(1.1);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }

        .twitter {
            background: var(--quantum-blue);
        }

        .facebook {
            background: var(--innovation-primary);
        }

        .linkedin {
            background: var(--quantum-teal);
        }

        /* Advanced Responsive Design */
        @media (max-width: 768px) {
            .research-details {
                flex-direction: column;
            }
            
            .image-placeholder {
                width: 100%;
                height: 140px;
            }
            
            .research-footer {
                flex-direction: column;
                gap: 1.5rem;
                align-items: flex-start;
            }
            
            .date-social {
                width: 100%;
                justify-content: space-between;
            }
            
            .research-header {
                padding: 0.75rem 0.1rem;
            }
            
            .research-title {
                font-size: 1.5rem;
            }
        }