:root {
  /* Core Colors */
  --bg-color: #f8fafc;
  --surface-color: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  /* Accents */
  --accent-teal: #0284c7;
  --accent-purple: #7c3aed;
  --accent-magenta: #e11d48;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--accent-teal) 0%, var(--accent-purple) 100%);
  --gradient-glow: linear-gradient(135deg, rgba(2, 132, 199, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
  
  /* Layout */
  --max-width: 1200px;
  --border-radius: 16px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background Effects */
body::before {
  display: none;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

a {
  color: var(--accent-teal);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-purple);
}

/* Navigation */
nav {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1rem 0;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--accent-teal);
}

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

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 1rem;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--text-primary);
}

/* Layout Core */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 4rem 0;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

@keyframes float {
  0% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(2deg);
  }
  100% {
    transform: translateY(0px) rotate(0deg);
  }
}

.hero-img-animated {
  animation: float 6s ease-in-out infinite;
  transform-origin: center center;
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 10px 20px rgba(0, 242, 254, 0.2);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0, 242, 254, 0.4);
  color: #fff;
}

/* Cards & Grid (Glassmorphism) */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--surface-color);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: rgba(255, 255, 255, 1);
}

.card:hover::before {
  opacity: 1;
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: calc(var(--border-radius) - 4px);
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-teal);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-right: 0.5rem;
  margin-bottom: 1rem;
}

/* Member Card Specific */
.member-card {
  text-align: center;
}
.member-img-wrapper {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto 1.5rem auto;
  overflow: hidden;
  position: relative;
  border: 3px solid transparent;
  background-image: linear-gradient(var(--surface-color), var(--surface-color)), var(--gradient-primary);
  background-origin: border-box;
  background-clip: content-box, border-box;
  box-shadow: var(--shadow-md);
}

.member-card .card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  margin: 0;
  transition: transform 0.3s ease;
}
.member-role {
  color: var(--accent-purple);
  font-weight: 500;
  margin-bottom: 1rem;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
footer {
  background: rgba(255, 255, 255, 0.95);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding: 3rem 0;
  text-align: center;
  margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  .nav-links { display: none; }
}

/* ==========================================================================
   HIGH-END BLENDER 3D & SOFT UI AESTHETIC
   ========================================================================== */

/* Split Hero Section */
.blender-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  background-color: var(--bg-color);
  overflow: hidden;
}

.blender-hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}

@media (max-width: 960px) {
  .blender-hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.hero-kicker-soft {
  display: inline-block;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  color: var(--accent-teal);
  margin-bottom: 1.5rem;
}

.blender-hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.highlight-letter {
  color: var(--accent-teal);
  font-weight: 900;
}

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

@media (max-width: 768px) {
  .blender-hero-title { font-size: 2.5rem; }
}

.blender-hero-abstract {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  font-weight: 400;
  max-width: 600px;
}

.affiliation-btn {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: #f1f5f9;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.affiliation-btn:hover {
  background: #ffffff;
  color: var(--accent-teal);
  border-color: rgba(2, 132, 199, 0.2);
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.1);
  transform: translateY(-1px);
}

@media (max-width: 960px) {
  .blender-hero-abstract { margin: 0 auto 2.5rem; }
}

.blender-image-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.blender-img {
  width: 100%;
  max-width: 600px;
  border-radius: 20px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.1);
  animation: float-soft 8s ease-in-out infinite;
}

@keyframes float-soft {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

/* Soft UI Sections */
.soft-section {
  padding: 8rem 0;
  background-color: #ffffff;
}

.soft-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

@media (max-width: 900px) {
  .soft-grid { grid-template-columns: 1fr; }
}

.soft-panel {
  background: #ffffff;
  border-radius: 24px;
  padding: 3.5rem;
  position: relative;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(15, 23, 42, 0.05);
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.4s ease;
}

.soft-panel:hover {
  transform: translateY(-5px);
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.1);
}

.soft-panel h2 {
  color: var(--text-primary);
  font-size: 2rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.soft-panel p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
  text-align: justify;
  hyphens: auto;
}

.soft-panel p strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Soft Tech Grid */
.soft-tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

@media (max-width: 900px) {
  .soft-tech-grid { grid-template-columns: 1fr; }
}

.soft-tech-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(15, 23, 42, 0.03);
  transition: all 0.3s ease;
}

.soft-tech-card:hover {
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
  transform: translateY(-3px);
}

.soft-icon-container {
  width: 50px;
  height: 50px;
  background: var(--gradient-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-teal);
  font-size: 1.5rem;
}

.soft-tech-card h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.soft-tech-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* Print Styles for PDF Generation */
@media print {
  body::before, nav, footer, .btn-print, .hero { display: none !important; }
  body { background: white !important; color: black !important; font-size: 12pt; }
  section { padding: 2rem 0 !important; }
  .card { 
    background: white !important;
    box-shadow: none !important; 
    border: 1px solid #ddd !important; 
    break-inside: avoid; 
    margin-bottom: 1.5rem !important; 
    padding: 1rem !important; 
  }
  a { text-decoration: none !important; color: black !important; }
  .container { padding: 0 !important; max-width: 100% !important; margin: 0 !important; }
  * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
  h1, h2, h3 { color: black !important; -webkit-text-fill-color: black !important; }
}