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

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #e5e7eb; /* Changed to match original gray-200 */
}

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

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.875rem;
}

.btn-primary {
  background: linear-gradient(to right, #7c3aed, #06b6d4);
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(to right, #6d28d9, #0891b2);
}

.btn-outline {
  background: #7c3aed;
  border: 2px solid #a78bfa;
  color: white;
  font-weight: 600;
}

.btn-outline:hover {
  background: #6d28d9;
}

.btn-linkedin {
  background: #0a66c2;
  color: white;
  gap: 0.5rem;
}

.btn-linkedin:hover {
  background: #084482;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  border-bottom: 1px solid #d1d5db;
  background: rgba(229, 231, 235, 0.95); /* Changed to match gray-200 */
  backdrop-filter: blur(10px);
}

.nav-content {
  display: flex;
  height: 4rem;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(to right, #7c3aed, #06b6d4);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger {
  width: 20px;
  height: 2px;
  background: #333;
  transition: all 0.3s ease;
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  background: none;
  border: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  cursor: pointer;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: #7c3aed;
}

.mobile-nav {
  display: none;
  border-top: 1px solid #d1d5db;
  padding: 1rem 0;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav-link {
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  cursor: pointer;
}

.mobile-nav-link:hover {
  color: #7c3aed;
}

.mobile-register-btn {
  width: 100%;
  margin-top: 0.5rem;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }

  .desktop-nav {
    display: flex;
  }
}

/* Hero Section */
.hero {
  position: relative;
  width: 100%;
  padding: 3rem 0;
  background: #000;
  color: white;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.3;
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, #8b5cf6, #06b6d4);
  mix-blend-mode: multiply;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
}

.hero-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  width: 100%;
}

.registration-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 0.5rem;
  background: rgba(139, 92, 246, 0.2);
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #a78bfa;
  margin-bottom: 1rem;
}

.pulse-dot {
  animation: pulse 2s infinite;
  margin-right: 0.5rem;
  color: #a78bfa;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.1;
  background: linear-gradient(to right, #c4b5fd, #67e8f9, #c4b5fd);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
}

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

@media (min-width: 768px) {
  .hero-title {
    font-size: 4rem;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 5rem;
  }
}

.hero-description {
  max-width: 700px;
  color: #d1d5db;
  font-size: 1rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .hero-description {
    font-size: 1.25rem;
  }
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

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

.countdown-container {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.countdown {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.countdown-value {
  display: flex;
  height: 5rem;
  width: 5rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  font-size: 1.875rem;
  font-family: "Courier New", monospace;
  font-weight: 700;
  color: white;
}

.countdown-label {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #d1d5db;
}

.limited-slots {
  animation: pulse 2s infinite;
}

.limited-slots p {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fcd34d;
  background: rgba(139, 92, 246, 0.3);
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  display: inline-block;
  margin: 0;
}

@media (min-width: 768px) {
  .limited-slots p {
    font-size: 1.25rem;
  }
}

/* Key Info Section */
.key-info {
  width: 100%;
  padding: 3rem 0;
  background: #f3f4f6;
}

@media (min-width: 768px) {
  .key-info {
    padding: 6rem 0;
  }
}

@media (min-width: 1024px) {
  .key-info {
    padding: 8rem 0;
  }
}

.section-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.1;
  color: #111827;
}

@media (min-width: 640px) {
  .section-title {
    font-size: 2.25rem;
  }
}

@media (min-width: 768px) {
  .section-title {
    font-size: 3rem;
  }
}

.section-description {
  max-width: 700px;
  color: #6b7280;
  font-size: 1rem;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .section-description {
    font-size: 1.25rem;
  }
}

.info-grid {
  max-width: 80rem;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .info-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

.info-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.info-icon {
  display: flex;
  height: 4rem;
  width: 4rem;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.info-icon.purple {
  background: #f3e8ff;
  color: #7c3aed;
}

.info-icon.cyan {
  background: #ecfeff;
  color: #0891b2;
}

.info-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
}

.info-text {
  color: #6b7280;
  text-align: center;
}

.info-detail {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  color: #6b7280;
}

/* About Section */
.about {
  width: 100%;
  padding: 3rem 0;
  background: #141414;
  color: white;
}

@media (min-width: 768px) {
  .about {
    padding: 6rem 0;
  }
}

@media (min-width: 1024px) {
  .about {
    padding: 8rem 0;
  }
}

.about-grid {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-badge {
  display: inline-block;
  border-radius: 0.5rem;
  background: rgba(139, 92, 246, 0.3);
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #c4b5fd;
  width: fit-content;
}

.about-title {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.1;
  color: white;
}

@media (min-width: 768px) {
  .about-title {
    font-size: 2.25rem;
  }
}

.about-description {
  color: #d1d5db;
  font-size: 1rem;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .about-description {
    font-size: 1.25rem;
  }
}

.about-features {
  display: grid;
  gap: 0.5rem;
  list-style: none;
  margin-top: 1rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-item svg {
  height: 1rem;
  width: 1rem;
  color: #a78bfa;
  flex-shrink: 0;
}

.feature-item span {
  color: #e5e7eb;
}

.about-image {
  display: flex;
  justify-content: center;
}

.image-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 0.75rem;
  background: #000;
}

.logo-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 2rem;
}

/* Sponsors Section */
.sponsors {
  width: 100%;
  padding: 3rem 0;
  background: #f3f4f6;
}

@media (min-width: 768px) {
  .sponsors {
    padding: 6rem 0;
  }
}

@media (min-width: 1024px) {
  .sponsors {
    padding: 8rem 0;
  }
}

.sponsor-content {
  max-width: 48rem;
  margin: 0 auto;
  padding: 4rem 0;
}

.sponsor-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 4rem;
}

.sponsor-image {
  width: 100%;
  max-width: 500px;
  height: 200px;
  object-fit: contain;
}

.sponsor-divider {
  width: 100%;
  max-width: 18rem;
  margin: 2rem auto;
  border-top: 1px solid #d1d5db;
}

.sponsor-button {
  display: flex;
  justify-content: center;
  margin-top: 4rem;
}

.sponsor-button .btn {
  padding: 1.5rem 2rem;
  font-size: 1.125rem;
}

/* FAQ Section */
.faq {
  width: 100%;
  padding: 3rem 0;
  background: white;
}

@media (min-width: 768px) {
  .faq {
    padding: 6rem 0;
  }
}

@media (min-width: 1024px) {
  .faq {
    padding: 8rem 0;
  }
}

.faq-container {
  max-width: 48rem;
  margin: 0 auto;
  padding: 3rem 0;
}

.faq-item {
  border-bottom: 1px solid #e5e7eb;
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.2s ease;
  color: #111827;
}

.faq-question:hover {
  color: #7c3aed;
}

.faq-icon {
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 0 1rem 0;
  color: #6b7280;
  line-height: 1.6;
}

.faq-contact {
  text-align: center;
  margin-top: 2rem;
}

.faq-contact p {
  color: #6b7280;
}

.faq-contact a {
  color: #7c3aed;
  text-decoration: none;
}

.faq-contact a:hover {
  text-decoration: underline;
}

/* CTA Section */
.cta {
  width: 100%;
  padding: 3rem 0;
  background: #000;
  color: white;
}

@media (min-width: 768px) {
  .cta {
    padding: 6rem 0;
  }
}

@media (min-width: 1024px) {
  .cta {
    padding: 8rem 0;
  }
}

.cta-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.cta-title {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.1;
}

@media (min-width: 640px) {
  .cta-title {
    font-size: 2.25rem;
  }
}

@media (min-width: 768px) {
  .cta-title {
    font-size: 3rem;
  }
}

.cta-description {
  max-width: 700px;
  color: #d1d5db;
  font-size: 1rem;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .cta-description {
    font-size: 1.25rem;
  }
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 640px) {
  .cta-buttons {
    flex-direction: row;
  }
}

/* Contact Section */
.contact {
  width: 100%;
  padding: 3rem 0;
  background: #f3f4f6;
}

@media (min-width: 768px) {
  .contact {
    padding: 6rem 0;
  }
}

@media (min-width: 1024px) {
  .contact {
    padding: 8rem 0;
  }
}

.contact-content {
  max-width: 36rem;
  margin: 0 auto;
  padding: 3rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}

.contact-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #111827;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 28rem;
}

.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  border-radius: 0.5rem;
  background: white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.contact-icon {
  height: 2rem;
  width: 2rem;
  color: #7c3aed;
  margin-bottom: 0.5rem;
}

.contact-item a {
  font-size: 1.125rem;
  color: #374151;
  text-decoration: none;
}

.contact-item a:hover {
  color: #7c3aed;
}

.phone-numbers {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-item p {
  color: #4b5563;
  text-align: center;
}

.linkedin-button {
  padding-top: 1.5rem;
}

.linkedin-button .btn {
  padding: 0.5rem 1.5rem;
}

/* Footer */
.footer {
  width: 100%;
  border-top: 1px solid #e5e7eb;
  background: #f3f4f6;
  padding: 1.5rem 0 3rem;
}

@media (min-width: 768px) {
  .footer {
    padding: 3rem 0;
  }
}

@media (min-width: 1024px) {
  .footer {
    padding: 3rem 0;
  }
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #111827;
}

.footer-description {
  font-size: 0.875rem;
  color: #6b7280;
}

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

.social-link {
  color: #6b7280;
  transition: color 0.2s ease;
  text-decoration: none;
}

.social-link:hover {
  color: #374151;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-link {
  font-size: 0.875rem;
  color: #6b7280;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  padding: 0;
}

.footer-link:hover {
  color: #374151;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.footer-contact p {
  color: #6b7280;
}

.footer-contact a {
  color: #6b7280;
  text-decoration: none;
}

.footer-contact a:hover {
  color: #374151;
}

.footer-bottom {
  margin-top: 2rem;
  border-top: 1px solid #e5e7eb;
  padding-top: 2rem;
  text-align: center;
  font-size: 0.875rem;
  color: #6b7280;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.hidden {
  display: none;
}

/* Responsive Design */
@media (max-width: 767px) {
  .container {
    padding: 0 0.75rem;
  }

  .hero {
    padding: 2rem 0;
    min-height: 90vh;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .section-description {
    font-size: 0.875rem;
  }

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

  .countdown-value {
    height: 4rem;
    width: 4rem;
    font-size: 1.5rem;
  }
}