/* Reset and Base Styles */
:root {
  --black: #000000;
  --black-50: #00000088;
  --black-80: #000000cc;
  --blue: #1429A0;
  --white: #ffffff;
  --cyan: #0077c9;
  --teal: #01b3e3;
  --greenblue: #00c3b2;
  --violet: #8193dd;
  --violet-20: #8193dd22;
  --violet-50: #8193dd88;
  --green: #97d653;
  --orange: #ffb647;
  --orange-20: #ffb64722;
  --red: #ff4337;
}

@font-face {
  font-family: samsung;
  src: url(fonts/SamsungIF_Rg.ttf);
}

@font-face {
  font-family: samsung;
  src: url(fonts/SamsungIF.ttf);
  font-weight: bold;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: samsung, sans-serif;
  line-height: 1.6;
  color: var(--black);
  background: #ffffff;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--black);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  z-index: 1000;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  width: 7rem;
  height: 2.5rem;
  background-image: url("images/logo.svg");
  background-repeat: no-repeat;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-year {
  font-size: 1rem;
  font-weight: 500;
  color: var(--blue);
}

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

.nav-link {
  color: var(--black);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--blue);
  background: rgba(59, 130, 246, 0.1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: #475569;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 4rem;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e1 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
}

.hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(59, 130, 246, 0.2), transparent),
    radial-gradient(3px 3px at 40px 70px, rgba(139, 92, 246, 0.15), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(16, 185, 129, 0.1), transparent),
    radial-gradient(2px 2px at 130px 80px, rgba(245, 101, 101, 0.1), transparent);
  background-repeat: repeat;
  background-size: 150px 100px;
  animation: float 20s linear infinite;
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }

  100% {
    transform: translateY(100px);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.2rem;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: auto auto;
  padding: 0 20px;
}

.hero-text {
  text-align: center;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1;
}

.title-main {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.title-year {
  font-size: 0.6em;
  color: var(--blue);
  font-weight: 600;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #334155;
}

.hero-description {
  font-size: 1.125rem;
  color: #64748b;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.125rem;
  color: #475569;
}

.info-icon {
  font-size: 1.25rem;
}

/* Countdown */
.countdown-container {
  text-align: center;
  margin: 2rem 0;
}

.countdown-title {
  font-size: 1.25rem;
  color: #475569;
  margin-bottom: 1rem;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 12px;
  border: 1px solid rgba(226, 232, 240, 0.8);
  backdrop-filter: blur(10px);
  min-width: 80px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.countdown-number {
  font-size: 2rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--cyan);
}

.countdown-label {
  font-size: 0.875rem;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-primary {
  background: var(--blue);
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

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

.btn-outline:hover {
  background: var(--cyan);
  color: white;
  transform: translateY(-2px);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Highlights Section */
.highlights {
  padding: 6rem 0;
  background: #f8fafc;
}


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

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

.highlight-card {
  text-align: center;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 16px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.highlight-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 1);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.highlight-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.highlight-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #0f172a;
}

.highlight-card p {
  color: #64748b;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--blue) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--black-50);
  max-width: 600px;
  margin: 0 auto;
}

.section-about {
  font-size: 1.125rem;
  color: var(--black-50);
  max-width: 900px;
  margin: 0 auto;
}

/* Schedule Section */
.schedule {
  padding: 6rem 0;
  background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
}

.track-selector {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.track-btn {
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(226, 232, 240, 0.8);
  color: #475569;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
}

.track-btn.active,
.track-btn:hover {
  /*background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);*/
  background: var(--blue);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.track-schedule {
  display: none;
  max-width: 800px;
  margin: 0 auto;
}

.track-schedule.active {
  display: block;
}

.schedule-item {
  display: flex;
  gap: 2rem;
  padding: 1.5rem;
  margin-bottom: 1rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.schedule-item:hover {
  background: rgba(255, 255, 255, 1);
  transform: translateX(10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
}

.schedule-time {
  font-family: monospace, samsung;
  font-weight: 600;
  color: var(--blue);
  min-width: 150px;
  font-size: 1rem;
}


.track-ps {
  display: none;
  margin: 0 auto;
}

.track-ps.active {
  display: block;
}

.ps-id {
  font-family: samsung;
  font-weight: 600;
  color: var(--cyan);
  min-width: 120px;
  max-width: 120px;
  font-size: 1rem;
}

.ps-text {
  text-align: justify;
}

.schedule-details {
  flex: 1;
}

.schedule-details h4 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: #0f172a;
}

.schedule-details p {
  color: var(--black-80);
  margin-bottom: 0.75rem;
}

.schedule-type {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Speakers Section */
.speakers {
  padding: 6rem 0;
  background: #ffffff;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.speaker-card {
  text-align: center;
  padding: 2rem;
  background: rgba(248, 250, 252, 0.8);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 16px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.speaker-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 1);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.speaker-image {
  width: 120px;
  height: 120px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(59, 130, 246, 0.3);
}

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

.speaker-info h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #0f172a;
}

.speaker-title {
  color: #3b82f6;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.speaker-company {
  color: #64748b;
  margin-bottom: 1rem;
}

.speaker-social {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(248, 250, 252, 0.8);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 50%;
  text-decoration: none;
  font-size: 1.25rem;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: #3b82f6;
  color: white;
  transform: translateY(-2px);
  border-color: #3b82f6;
}

/* Venue Section */
.venue {
  padding: 6rem 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

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

.venue-info h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #0f172a;
}

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

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

.detail-icon {
  font-size: 1.5rem;
  margin-top: 0.25rem;
  color: #3b82f6;
}

.venue-detail strong {
  color: #0f172a;
  display: block;
  margin-bottom: 0.25rem;
}

.venue-detail p {
  color: #64748b;
  margin: 0;
}

.venue-map {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(226, 232, 240, 0.8);
}

#map {
  width: 100%;
  height: 100%;
}

.fill {
  max-height: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.fill a {
  object-fit: contain;
}

.fill img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Registration Section */
.registration {
  padding: 6rem 0;
  background: #ffffff;
}

.registration-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.registration-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--blue) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.registration-content p {
  font-size: 1.125rem;
  color: var(--blue);
  margin-bottom: 3rem;
}

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

.pricing-card {
  padding: 2rem;
  background: rgba(248, 250, 252, 0.8);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 16px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
  border-color: #3b82f6;
  background: rgba(59, 130, 246, 0.05);
  transform: scale(1.05);
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.2);
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-5px);
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
}

.pricing-header h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #0f172a;
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.currency {
  font-size: 1.5rem;
  color: #3b82f6;
}

.amount {
  font-size: 3rem;
  font-weight: 700;
  color: #3b82f6;
}

.price-note {
  color: #64748b;
  font-size: 0.875rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.5rem 0;
  color: #475569;
}

/* Footer */
.footer {
  background: #f8fafc;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  color: #64748b;
  margin-top: 1rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  color: #0f172a;
  margin-bottom: 1rem;
}

.footer-column a {
  display: block;
  color: #64748b;
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.footer-column a:hover {
  color: #3b82f6;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  color: #64748b;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }

  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem;
    border-top: 1px solid rgba(226, 232, 240, 0.8);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle {
    display: flex;
  }

  .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(7px, -6px);
  }

  .hero-content {
    padding-top: 100px;
    gap: 2rem;
  }

  .hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
  }

  .hero-info {
    flex-direction: column;
    gap: 1rem;
  }

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

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

  .countdown {
    gap: 1rem;
  }

  .countdown-item {
    min-width: 70px;
    padding: 0.75rem;
  }

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

  .track-selector {
    flex-direction: column;
    align-items: center;
  }

  .track-btn {
    width: 100%;
    max-width: 200px;
  }

  .schedule-item {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .schedule-time {
    min-width: auto;
    font-size: 0.875rem;
  }

  .highlights-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .speakers-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .venue-map {
    height: 300px;
  }

  .pricing-cards {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .pricing-card.featured {
    transform: scale(1);
  }

  .pricing-card.featured:hover {
    transform: translateY(-5px);
  }

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

  .footer-links {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .section-subtitle {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-subtitle {
    font-size: 1.25rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .info-item {
    font-size: 1rem;
  }

  .countdown-title {
    font-size: 1rem;
  }

  .highlight-card {
    padding: 1.5rem;
  }

  .speaker-card {
    padding: 1.5rem;
  }

  .pricing-card {
    padding: 1.5rem;
  }

  .schedule-item {
    padding: 1rem;
  }
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

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

/* Loading Animation */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }

  100% {
    left: 100%;
  }
}

/* Additional responsive utilities */
@media (min-width: 640px) {
  .sm\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sm\:flex-row {
    flex-direction: row;
  }
}

@media (min-width: 768px) {
  .md\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Accordion styles */
.hidden {
  position: absolute;
  opacity: 0;
  z-index: -1;
}

.tabs {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 4px -2px rgba(0, 0, 0, 0.5);
}

.tab {
  width: 100%;
  color: var(--white);
  overflow: hidden;
}

.tab-label {
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: justify;
  justify-content: space-between;
  padding: 1em;
  background: var(--blue);
  font-weight: bold;
  cursor: pointer;
  /* Icon */
}

.tab-label:hover {
  background: var(--cyan);
}

.tab-label::after {
  content: "\276F";
  width: 1em;
  height: 1em;
  text-align: center;
  -webkit-transition: all .35s;
  transition: all .35s;
}

.tab-content {
  max-height: 0;
  padding: 0 1em;
  color: var(--black);
  background: white;
  text-align: justify;
  -webkit-transition: all .35s;
  transition: all .35s;
}

.tab-close {
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: end;
  justify-content: flex-end;
  padding: 1em;
  font-size: 0.75em;
  background: #2c3e50;
  cursor: pointer;
}

.tab-close:hover {
  background: #1a252f;
}

input:checked+.tab-label {
  background: var(--blue);
}

input:checked+.tab-label::after {
  -webkit-transform: rotate(90deg);
  transform: rotate(90deg);
}

input:checked~.tab-content {
  max-height: 100vh;
  padding: 1em;
}

/* Badge */

.badge {
  background-color: red;
  color: white;
  padding: 4px 8px;
  text-align: center;
  border-radius: 5px;
  position: relative;
  top: -1em;
  font-size: 60%;
}

/* Table */

.table-container {
  max-width: 800px;
  margin: auto;
  background: var(--white);
  padding: 20px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background-color: var(--blue);
  color: var(--white);
}

th,
td {
  text-align: left;
  padding: 16px;
}

tbody tr:nth-child(even) {
  background-color: #f9fafb;
}

tbody tr:hover {
  background-color: var(--violet-20);

}

th {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

td {
  font-size: 0.95rem;
  color: var(--black);
}

@media (max-width: 600px) {

  th,
  td {
    padding: 12px;
  }
}

ul {
  padding-left: 20px;
  color: var(--black-80);
}

/* Modal */

.open-modal-btn {
  padding: 12px 24px;
  font-size: 16px;
  background-color: var(--blue);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal {
  background: white;
  padding: 24px 30px;
  border-radius: 12px;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  position: relative;
  animation: fadeIn 0.3s ease-in-out;
}

.modal2 {
  background: white;
  padding: 24px 30px;
  border-radius: 12px;
  max-width: 600px;
  width: 90%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  position: relative;
  animation: fadeIn 0.3s ease-in-out;
}

.modal h2 {
  margin-top: 0;
}

.modaltext p {
  font-size: small;
  margin-top: 5px;
  margin-bottom: 5px;
}

.close-btn {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: #888;
}

.nested-btn {
  margin-top: 16px;
  display: none;
  background-color: var(--cyan);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Modal */