/* ============================
   ICICDAS 2026 - Design System
   ============================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* CSS Custom Properties */
:root {
  /* Nav */
  --nav-height: 80px;

  /* Primary Palette */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;
  --primary-950: #172554;

  /* Accent */
  --accent-400: #38bdf8;
  --accent-500: #0ea5e9;
  --accent-600: #0284c7;

  /* Neutrals */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --gray-950: #020617;

  /* Semantic */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #0ea5e9 100%);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a8a 40%, #1d4ed8 70%, #0ea5e9 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.05) 100%);
  --gradient-section: linear-gradient(180deg, #f8fafc 0%, #eff6ff 100%);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.15);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.08), 0 4px 10px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.1), 0 8px 16px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.3);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-max: 1200px;
  --container-padding: 0 24px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;
}

/* ========== RESET & BASE ========== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  line-height: 1.7;
  background-color: #ffffff;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

/* ========== UTILITY CLASSES ========== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section-padding {
  padding: var(--section-padding);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: var(--gray-900);
  text-align: center;
  margin-bottom: 16px;
  position: relative;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  text-align: center;
  max-width: 650px;
  margin: 0 auto 60px;
  font-weight: 400;
}

.section-subtitle.section-subtitle-tight {
  margin-bottom: 24px;
}

.submission-journal-photo {
  width: min(900px, 100%);
  margin: 0 auto 60px;
  border-radius: 18px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.04);
  box-shadow: var(--shadow-md);
}

.submission-journal-photo img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
}

.section-divider {
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 4px;
  margin: 0 auto 20px;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.3); }
  50% { box-shadow: 0 0 40px rgba(59, 130, 246, 0.6); }
}

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

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Background Paths Animations */
@keyframes bgPathDraw {
  0% {
    stroke-dashoffset: var(--path-length, 2000);
    opacity: 0.3;
  }
  25% {
    opacity: 0.6;
  }
  50% {
    stroke-dashoffset: 0;
    opacity: 0.3;
  }
  75% {
    opacity: 0.6;
  }
  100% {
    stroke-dashoffset: calc(var(--path-length, 2000) * -1);
    opacity: 0.3;
  }
}

@keyframes bgPathFade {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.5; }
}

.hero-animated-paths {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== NAVIGATION ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition-base);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.nav-logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: visible;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  transition: var(--transition-base);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--accent-400);
  border-radius: 3px;
}

.nav-cta {
  background: var(--gradient-primary) !important;
  color: #ffffff !important;
  padding: 10px 24px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
  border: none;
  cursor: pointer;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(59, 130, 246, 0.5) !important;
  background: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%) !important;
}

/* Mobile Menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: #fff;
  border-radius: 3px;
  transition: var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== HERO SECTION ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.4) 0%,
    rgba(30, 58, 138, 0.5) 50%,
    rgba(15, 23, 42, 0.7) 100%
  );
  z-index: 1;
}

/* Animated particles */
.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(96, 165, 250, 0.5);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.particle:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; animation-duration: 7s; }
.particle:nth-child(2) { top: 60%; left: 80%; animation-delay: 1s; animation-duration: 5s; width: 6px; height: 6px; }
.particle:nth-child(3) { top: 40%; left: 30%; animation-delay: 2s; animation-duration: 8s; }
.particle:nth-child(4) { top: 80%; left: 60%; animation-delay: 0.5s; animation-duration: 6s; width: 5px; height: 5px; }
.particle:nth-child(5) { top: 10%; left: 50%; animation-delay: 1.5s; animation-duration: 9s; }
.particle:nth-child(6) { top: 70%; left: 20%; animation-delay: 3s; animation-duration: 7s; width: 3px; height: 3px; }
.particle:nth-child(7) { top: 30%; left: 70%; animation-delay: 2.5s; animation-duration: 6s; }
.particle:nth-child(8) { top: 50%; left: 90%; animation-delay: 1s; animation-duration: 8s; width: 5px; height: 5px; }

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 950px;
  animation: fadeInUp 1s ease;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  padding: 8px 24px;
  margin-bottom: 28px;
  font-size: 0.9rem;
  color: var(--accent-400);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-badge svg {
  width: 18px;
  height: 18px;
}

.hero-title {
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 20px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-title span {
  background: linear-gradient(135deg, #60a5fa, #38bdf8, #7dd3fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
}

.hero-info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  font-weight: 400;
}

.hero-info-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent-400);
  flex-shrink: 0;
}

.hero-description {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  outline: 3px solid rgba(59, 130, 246, 0.45);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::after {
  left: 100%;
}

.btn-outline {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-3px);
}

.btn-secondary {
  background: var(--gray-900);
  color: #ffffff;
  box-shadow: var(--shadow-lg);
}

.btn-secondary:hover {
  background: var(--gray-800);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.btn-accent {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(16, 185, 129, 0.5);
}

.btn-large {
  padding: 18px 42px;
  font-size: 1.1rem;
}

.btn svg {
  width: 20px;
  height: 20px;
}

/* ========== SECTION STYLES ========== */
.section-light {
  background: #ffffff;
}

.section-gray {
  background: var(--gradient-section);
}

.section-dark {
  background: var(--gray-900);
  color: #ffffff;
}

.section-dark .section-title {
  color: #ffffff;
}

.section-dark .section-subtitle {
  color: var(--gray-400);
}

/* ========== INTRODUCTION SECTION ========== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.intro-content h3 {
  font-size: 1.1rem;
  color: var(--primary-600);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.intro-content h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--gray-900);
  margin-bottom: 20px;
  line-height: 1.2;
}

.intro-content p {
  color: var(--gray-600);
  font-size: 1.05rem;
  margin-bottom: 28px;
  line-height: 1.8;
}

.intro-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--primary-50);
  transition: var(--transition-base);
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-700);
  display: block;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--gray-500);
  font-weight: 500;
  margin-top: 4px;
}

.intro-visual {
  position: relative;
}

.intro-image-wrapper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.intro-image-wrapper img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.intro-floating-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: #ffffff;
  padding: 20px 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 14px;
  animation: float 4s ease-in-out infinite;
}

.intro-floating-card .icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.3rem;
}

.intro-floating-card .text h4 {
  font-size: 1.1rem;
  color: var(--gray-900);
}

.intro-floating-card .text p {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin: 0;
}

/* ========== PURPOSE SECTION ========== */
.purpose-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.purpose-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.purpose-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-base);
}

.purpose-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.purpose-card:hover::before {
  transform: scaleX(1);
}

.purpose-icon {
  width: 72px;
  height: 72px;
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  transition: var(--transition-base);
}

.purpose-card:hover .purpose-icon {
  background: var(--gradient-primary);
  transform: scale(1.05);
}

.purpose-icon svg {
  width: 32px;
  height: 32px;
  color: var(--primary-600);
  transition: var(--transition-base);
}

.purpose-card:hover .purpose-icon svg {
  color: #ffffff;
}

.purpose-card h3 {
  font-size: 1.25rem;
  color: var(--gray-900);
  margin-bottom: 14px;
}

.purpose-card p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ========== SPEAKERS SECTION ========== */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.speaker-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
  border: 1px solid var(--gray-100);
}

.speaker-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.speaker-image {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.speaker-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.speaker-card:hover .speaker-image img {
  transform: scale(1.08);
}

.speaker-image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(transparent, rgba(15, 23, 42, 0.7));
}

.speaker-info {
  padding: 24px 28px 28px;
  text-align: center;
}

.speaker-info h3 {
  font-size: 1.2rem;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.keynote-speakers .speakers-grid {
  grid-template-columns: repeat(2, 1fr);
  max-width: 980px;
  margin: 0 auto;
}

.keynote-speakers .speaker-image {
  height: 260px;
}

.keynote-speakers .speaker-title {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .keynote-speakers .speakers-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .keynote-speakers .speaker-image {
    height: 220px;
  }

  .keynote-speakers .speaker-info {
    padding: 20px 20px 22px;
  }
}

.speaker-title {
  color: var(--primary-600);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.speaker-affiliation {
  color: var(--gray-400);
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.speaker-bio {
  color: var(--gray-500);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ========== TRACKS SECTION ========== */
.tracks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.track-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
  transition: var(--transition-base);
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.track-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

.track-icon {
  width: 64px;
  height: 64px;
  min-width: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.track-icon svg {
  width: 28px;
  height: 28px;
  color: #ffffff;
}

.track-content h3 {
  font-size: 1.2rem;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.track-desc {
  margin: 0;
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.6;
}

.track-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.track-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--primary-50);
  color: var(--primary-700);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition-base);
}

.track-card:hover .track-tag {
  background: var(--primary-100);
}

/* ========== TPC SECTION ========== */
.tpc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 980px;
  margin: 0 auto;
}

.tpc-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: left;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(59, 130, 246, 0.12);
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.tpc-card.tpc-card-with-image {
  padding: 18px 18px 22px;
}

.tpc-photo {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.04);
  margin-bottom: 16px;
}

.tpc-photo img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.tpc-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(59, 130, 246, 0.28);
}

.tpc-avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 16px;
  font-size: 1.4rem;
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 700;
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.28);
}

.tpc-card h4 {
  font-size: 1.05rem;
  color: var(--gray-900);
  margin-bottom: 6px;
  line-height: 1.3;
}

.tpc-designation {
  font-size: 0.85rem;
  color: var(--primary-700);
  font-weight: 700;
  margin-bottom: 8px;
}

.tpc-institution {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.5;
}

.tpc-email {
  color: var(--gray-800);
  font-size: 0.9rem;
  font-weight: 500;
  word-break: break-word;
}

.committee-group {
  margin-top: 28px;
}

.committee-group:first-of-type {
  margin-top: 18px;
}

.committee-group-title {
  font-size: 1.1rem;
  color: var(--gray-900);
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.01em;
}

/* ========== TIMELINE ========== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary-300), var(--primary-600), var(--primary-300));
  border-radius: 3px;
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 20px 40px;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 30px;
  width: 18px;
  height: 18px;
  background: var(--gradient-primary);
  border-radius: 50%;
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 4px var(--primary-200);
  z-index: 1;
}

.timeline-item:nth-child(odd)::before {
  right: -9px;
}

.timeline-item:nth-child(even)::before {
  left: -9px;
}

.timeline-card {
  background: #ffffff;
  padding: 24px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
  transition: var(--transition-base);
}

.timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

.timeline-date {
  display: inline-block;
  padding: 4px 16px;
  background: var(--primary-50);
  color: var(--primary-700);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.timeline-date.timeline-date-important {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
}

.timeline-card h3 {
  font-size: 1.1rem;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.timeline-card p {
  color: var(--gray-500);
  font-size: 0.9rem;
}

.important-dates-list {
  list-style: none;
  margin: 28px auto 0;
  padding: 0;
  max-width: 860px;
  display: grid;
  gap: 14px;
}

.important-dates-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: #ffffff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.important-dates-label {
  color: var(--gray-900);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.35;
}

.important-dates-date {
  color: var(--primary-700);
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
}

@media (max-width: 520px) {
  .important-dates-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 16px;
  }

  .important-dates-date {
    margin-top: 2px;
  }
}

/* ========== GUIDELINES ========== */
.guidelines-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
  justify-items: center;
}

.guidelines-list {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
}

.guidelines-list h3 {
  font-size: 1.4rem;
  color: var(--gray-900);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.guideline-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
}

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

.guideline-check {
  width: 28px;
  height: 28px;
  min-width: 28px;
  background: var(--primary-50);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-600);
  margin-top: 2px;
}

.guideline-check svg {
  width: 16px;
  height: 16px;
}

.guideline-item p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.6;
}

.guidelines-cta {
  background: var(--gradient-hero);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  width: min(720px, 100%);
}

.guidelines-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
}

.guidelines-cta h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  position: relative;
}

.guidelines-cta p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 32px;
  font-size: 1rem;
  position: relative;
}

.deadline-progress {
  margin-top: 18px;
  position: relative;
  text-align: left;
}

.deadline-progress-track {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  overflow: hidden;
}

.deadline-progress-fill {
  height: 100%;
  width: 100%;
  border-radius: 999px;
  background-color: hsl(120 85% 45%);
  transition: width 0.6s ease, background-color 0.6s ease;
}

.deadline-progress-meta {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  font-weight: 600;
}

.deadline-warning {
  margin-top: 12px;
  margin-bottom: 18px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(240, 50, 50, 0.12);
  border: 1px solid rgba(240, 50, 50, 0.32);
  color: #fa3232;
  font-weight: 800;
  font-size: 0.95rem;
  line-height: 1.35;
  position: relative;
}

.guidelines-cta .btn {
  position: relative;
}

/* ========== PRICING / FEE CARDS ========== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  max-width: 820px;
  margin: 0 auto;
}

.pricing-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--gray-100);
  transition: var(--transition-base);
  position: relative;
}

.pricing-card.featured {
  border-color: var(--primary-500);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(59, 130, 246, 0.15);
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
  transform: translateY(-8px);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: #ffffff;
  padding: 6px 24px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-50);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.pricing-card.featured .pricing-icon {
  background: var(--gradient-primary);
}

.pricing-icon svg {
  width: 28px;
  height: 28px;
  color: var(--primary-600);
}

.pricing-card.featured .pricing-icon svg {
  color: #ffffff;
}

.pricing-card h3 {
  font-size: 1.3rem;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.pricing-amount {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-700);
  margin-bottom: 4px;
}

.pricing-period {
  color: var(--gray-400);
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.pricing-features {
  text-align: left;
  margin-bottom: 30px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--gray-600);
  font-size: 0.9rem;
}

.pricing-features li svg {
  width: 18px;
  height: 18px;
  color: var(--success);
  flex-shrink: 0;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--gray-950);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand h3 {
  font-size: 1.4rem;
  color: #ffffff;
  margin-bottom: 16px;
  font-family: var(--font-heading);
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition-base);
}

.footer-social a:hover {
  background: var(--primary-600);
  color: #ffffff;
  transform: translateY(-3px);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
}

.footer-column h4 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 20px;
  font-family: var(--font-heading);
}

.footer-column a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  padding: 6px 0;
  transition: var(--transition-base);
}

.footer-column a:hover {
  color: var(--accent-400);
  transform: translateX(4px);
}

.footer-column a svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent-400);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a:hover {
  color: var(--accent-400);
}

/* ========== SCROLL TO TOP ========== */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition-base);
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
  z-index: 999;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

.scroll-top svg {
  width: 22px;
  height: 22px;
}

/* ========== PAGE HEADER (for inner pages) ========== */
.page-header {
  background: var(--gradient-hero);
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('images/1234.jpeg') center/cover no-repeat;
  opacity: 0.1;
}

.page-header-content {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: #ffffff;
  margin-bottom: 16px;
}

.page-header p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.9rem;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a:hover {
  color: var(--accent-400);
}

.breadcrumb span {
  color: var(--accent-400);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .intro-visual {
    order: -1;
  }

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

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

  .tpc-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .guidelines-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 70px 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 40px;
    gap: 4px;
    transition: var(--transition-base);
    box-shadow: -10px 0 30px rgba(0,0,0,0.3);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    width: 100%;
    padding: 14px 16px;
    font-size: 1.05rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-logo-icon img {
    width: 56px !important;
    height: 56px !important;
  }

  .hero-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
  }

  .hero-info {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }

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

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

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

  .pricing-card.featured:hover {
    transform: translateY(-8px);
  }

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

  .tpc-photo {
    aspect-ratio: 4 / 3;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 56px;
    padding-right: 16px;
  }

  .timeline-item:nth-child(odd) {
    text-align: left;
  }

  .timeline-item:nth-child(even) {
    left: 0;
  }

  .timeline-item::before {
    left: 11px !important;
    right: auto !important;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .intro-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .stat-number {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

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

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

/* ============================
   GLASSMORPHISM HERO SECTION
   ============================ */

.glass-hero {
  position: relative;
  width: 100%;
  background-color: #09090b;
  color: #ffffff;
  overflow: hidden;
  /* navbar height = 80px, add 40px extra gap below it */
  padding-top: 120px;
  padding-bottom: 80px;
}

/* Give hero more horizontal breathing room */
.glass-hero .container {
  padding-left: 40px;
  padding-right: 40px;
}

.glass-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('images/1234.jpeg') center/cover no-repeat;
  opacity: 0.15;
  -webkit-mask-image: linear-gradient(180deg, transparent, black 10%, black 70%, transparent);
          mask-image: linear-gradient(180deg, transparent, black 10%, black 70%, transparent);
}

.glass-hero-inner {
  position: relative;
  z-index: 10;
}

/* Two-column grid: 58% left, 42% right */
.glass-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 900px) {
  .glass-hero-grid {
    grid-template-columns: 58fr 42fr;
    gap: 3.5rem;
    align-items: start;
  }
}

/* --- Left Column --- */
.glass-hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  text-align: left;
}

.glass-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #d4d4d8;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color 0.2s;
  width: fit-content;
}

.glass-badge:hover {
  background: rgba(255, 255, 255, 0.1);
}

.glass-hero-title {
  font-size: 2rem;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  color: #ffffff;
}

@media (min-width: 640px)  { .glass-hero-title { font-size: 2.4rem; } }
@media (min-width: 900px)  { .glass-hero-title { font-size: 2.75rem; } }
@media (min-width: 1200px) { .glass-hero-title { font-size: 3rem; } }

.glass-hero-gradient-text {
  background: linear-gradient(to bottom right, #ffffff, #ffffff, #ffcd75);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.glass-hero-desc {
  max-width: 36rem;
  font-size: 1.125rem;
  color: #a1a1aa; /* zinc-400 */
  line-height: 1.625;
  margin: 0;
}

.glass-hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .glass-hero-ctas {
    flex-direction: row;
  }
}

.glass-btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 9999px;
  background: #ffffff;
  padding: 1rem 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #09090b;
  text-decoration: none;
  transition: all 0.2s;
}

.glass-btn-white:hover {
  transform: scale(1.02);
  background: #e4e4e7; /* zinc-200 */
}

.glass-btn-white:active {
  transform: scale(0.98);
}

.glass-btn-white svg {
  transition: transform 0.2s;
}

.glass-btn-white:hover svg {
  transform: translateX(4px);
}

.glass-btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  padding: 1rem 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #ffffff;
  text-decoration: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: all 0.2s;
}

.glass-btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* --- Right Column --- */
.glass-hero-right {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.glass-stats-card {
  position: relative;
  overflow: hidden;
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.glass-card-glow {
  position: absolute;
  top: -4rem;
  right: -4rem;
  height: 16rem;
  width: 16rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  filter: blur(48px);
  pointer-events: none;
}

.glass-card-inner {
  position: relative;
  z-index: 10;
}

.glass-stats-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.glass-stats-icon {
  display: flex;
  height: 3rem;
  width: 3rem;
  align-items: center;
  justify-content: center;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.glass-stats-big {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #ffffff;
  line-height: 1.2;
}

.glass-stats-label {
  font-size: 0.875rem;
  color: #a1a1aa; /* zinc-400 */
}

.glass-progress-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.glass-progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
}

.glass-progress-label {
  color: #a1a1aa;
}

.glass-progress-value {
  color: #ffffff;
  font-weight: 500;
}

.glass-progress-track {
  height: 0.5rem;
  width: 100%;
  overflow: hidden;
  border-radius: 9999px;
  background: rgba(39, 39, 42, 0.5); /* zinc-800/50 */
}

.glass-progress-fill {
  height: 100%;
  border-radius: 9999px;
  background: linear-gradient(to right, #ffffff, #a1a1aa); /* white to zinc-400 */
}

.glass-divider {
  height: 1px;
  width: 100%;
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: 1.5rem;
}

.glass-mini-stats {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  text-align: center;
  align-items: stretch;
}

.glass-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s;
  cursor: default;
}

.glass-stat-item:hover {
  transform: translateY(-4px);
}

.glass-stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
}

@media (min-width: 640px) { .glass-stat-value { font-size: 1.5rem; } }

.glass-stat-label {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #71717a; /* zinc-500 */
  font-weight: 500;
}

@media (min-width: 640px) { .glass-stat-label { font-size: 0.75rem; } }

.glass-stat-sep {
  width: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 0 auto;
}

.glass-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}

.glass-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.25rem 0.75rem;
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.025em;
  color: #d4d4d8; /* zinc-300 */
}

.glass-tag-dot {
  position: relative;
  display: flex;
  height: 0.5rem;
  width: 0.5rem;
}

.glass-tag-ping {
  position: absolute;
  display: inline-flex;
  height: 100%;
  width: 100%;
  border-radius: 50%;
  background-color: #4ade80; /* green-400 */
  opacity: 0.75;
  animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

.glass-tag-solid {
  position: relative;
  display: inline-flex;
  border-radius: 50%;
  height: 0.5rem;
  width: 0.5rem;
  background-color: #22c55e; /* green-500 */
}

.glass-marquee-card {
  position: relative;
  overflow: hidden;
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem 0;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.glass-marquee-title {
  margin: 0 0 1.5rem;
  padding: 0 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #a1a1aa; /* zinc-400 */
}

.glass-marquee-track {
  position: relative;
  display: flex;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, black 20%, black 80%, transparent);
          mask-image: linear-gradient(to right, transparent, black 20%, black 80%, transparent);
}

.glass-marquee-scroll {
  display: flex;
  gap: 3rem;
  padding: 0 1rem;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.glass-marquee-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.5;
  transition: all 0.2s;
  cursor: default;
  filter: grayscale(100%);
  color: #ffffff;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.glass-marquee-item:hover {
  opacity: 1;
  transform: scale(1.05);
  filter: grayscale(0%);
}

.glass-marquee-item svg {
  fill: currentColor;
}

/* Animations */
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-slide {
  animation: fadeSlideIn 0.8s ease-out forwards;
  opacity: 0;
}

/* ========== COLLABORATORS ========== */
.collaborators-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 30px;
  align-items: center;
  justify-content: center;
  margin-top: 40px;
}

@media (min-width: 600px) {
  .collaborators-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .collaborators-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.collaborator-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  padding: 20px;
  border-radius: var(--radius-md);
  background: transparent;
}

.collaborator-item:hover, .collaborator-item:focus {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  outline: none;
  background: #ffffff;
}

.collaborator-item:focus-visible {
  outline: 3px solid var(--primary-500);
}

.collaborator-img-wrapper {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.collaborator-item img {
  max-width: 200px;
  max-height: 120px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.collaborator-fallback {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-700);
}