html, body {
  overflow-x: hidden;
  margin: 0;
  font-family: Arial, sans-serif;
}

/* ========== Navbar ========== */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 5vw;
  background-color: white;
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  width: 100%;
  box-sizing: border-box;
  transition: box-shadow 0.3s ease;
  min-height: 60px;
}

.logo {
  flex-shrink: 0;
}

.logo img {
  height: 70px;
  width: auto;
  vertical-align: middle;
}

.navbar.sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 10px 5vw;
  box-sizing: border-box;
  min-height: 60px;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 25px;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-shrink: 0;
}

.nav-links li {
  margin: 0;
}

.nav-links li a {
  text-decoration: none;
  color: #333;
  font-weight: bold;
  font-size: 20px;
  transition: color 0.3s ease;
  white-space: nowrap;
}

.nav-links li a:hover {
  color: #0d47a1;
}

/* Hide hamburger menu on desktop */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 5px;
  z-index: 10001;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: #333;
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Overlay */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
}

.nav-overlay.active {
  display: block;
}

/* Mobile responsive navbar */
@media (max-width: 768px) {
  .navbar {
    min-height: 60px; 
    flex-direction: row;
    align-items: center;
    padding: 10px 4vw; 
    position: relative; 
    justify-content: space-between;
  }

  .logo {
    margin-bottom: 0;
    align-self: center;
    width: auto;
    display: flex;
    justify-content: flex-start;
  }

  .logo img {
    height: 50px;
  }

  /* Show Hamburger Menu */
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: white;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 20px;
    padding-top: 80px;
    transition: right 0.3s ease;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 10000;
  }

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

  .nav-links li {
    width: 100%;
    margin: 0;
    text-align: center;
  }

  .nav-links li a {
    display: block;
    padding: 15px 20px;
    width: 100%;
    font-size: 18px;
    font-weight: 600;
    white-space: nowrap;
    border-radius: 0;
    transition: all 0.3s ease;
    color: #333;
    text-decoration: none;
    box-sizing: border-box;
  }

  .nav-links li a:hover {
    background-color: #f0f8ff;
    color: #0d47a1;
  }
}

@media (max-width: 480px) {
  .navbar {
    min-height: 55px;
    padding: 8px 3vw;
  }

  .navbar.sticky {
    min-height: 55px;
    padding: 8px 3vw;
  }

  .logo img {
    height: 45px;
  }

  .nav-links {
    width: 80%;
    padding-top: 70px;
  }

  .nav-links li a {
    padding: 12px 15px;
    font-size: 16px;
  }
}

/* ========== Hero Section ========== */
.hero {
  position: relative;
  color: white;
  text-align: center;
  padding: 60px 20px;
  margin-top: 0;
  height: 60vh;
  min-height: 450px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hero Slideshow */
.hero-slideshow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  /* Improve image quality */
  image-rendering: -webkit-optimize-contrast;
  image-rendering: optimize-contrast;
  image-rendering: crisp-edges;
  -ms-interpolation-mode: bicubic;
  z-index: 1;
}

/* for mobile devices */
@media (max-width: 768px) {
  .slide {
    background-attachment: scroll;
  }
}

.slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    rgba(0, 0, 0, 0.3), 
    rgba(0, 0, 0, 0.4)
  ); 
  z-index: 1;
}

.slide.active {
  opacity: 1;
  z-index: 2;
}

/* Preload all slides for smoother transitions */
.slide:nth-child(1) { z-index: 7; }
.slide:nth-child(2) { z-index: 6; }
.slide:nth-child(3) { z-index: 5; }
.slide:nth-child(4) { z-index: 4; }
.slide:nth-child(5) { z-index: 3; }
.slide:nth-child(6) { z-index: 2; }
.slide:nth-child(7) { z-index: 1; }

.slide.active {
  z-index: 10;
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 15;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Slideshow Navigation Dots */
.slideshow-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 8px;
  background: none;
  padding: 0;
}

.dot {
  cursor: pointer;
  height: 6px;
  width: 6px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  display: inline-block;
  transition: all 0.3s ease;
  border: none;
}

.dot.active {
  background-color: rgba(255, 255, 255, 1);
  transform: scale(1.5);
}

.dot:hover {
  background-color: rgba(255, 255, 255, 0.8);
}

.dot::after {
  display: none;
}

.dot:hover::after,
.dot.active::after {
  display: none;
}

/* Mobile */
@media (max-width: 768px) {
  .slideshow-dots {
    bottom: 15px;
    gap: 6px;
  }

  .dot {
    height: 4px;
    width: 4px;
  }

  .dot.active {
    transform: scale(1.3);
  }
}

@media (max-width: 480px) {
  .slideshow-dots {
    bottom: 12px;
    gap: 5px;
  }

  .dot {
    height: 3px;
    width: 3px;
  }

  .dot.active {
    transform: scale(1.2);
  }
}


.hero h1 {
  font-size: 2.2rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero .tagline {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

.event-info {
  background: rgba(255, 255, 255, 0);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.04);
  color: white;
  padding: 1.5rem 2rem;
  border-radius: 18px;
  text-align: center;
  max-width: 400px;
  margin: 1.5rem auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.event-info h3 {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 0.4rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.event-info p {
  font-size: 1rem;
  margin-bottom: 1.2rem;
  opacity: 0.9;
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
  margin: 1.2rem 0;
}

.countdown-item {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 0.8rem 0.4rem;
  text-align: center;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.countdown-number {
  display: block;
  font-size: 1.5rem;
  font-weight: bold;
  color: #fff;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.countdown-label {
  display: block;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 0.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-buttons {
  margin-top: 1.5rem;
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 20;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  font-weight: bold;
  text-decoration: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  white-space: nowrap;
  text-overflow: ellipsis;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: white;
  border: 2px solid transparent;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.9);
  color: #2563eb;
  border-color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

/* ========== Mobile Hero Button Fixes ========== */
@media (max-width: 768px) {
  .hero {
    height: 70vh; 
    min-height: 500px;
    padding: 40px 15px 80px 15px; 
  }

  .hero-content {
    padding: 0 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    position: relative;
    z-index: 15;
  }

  .hero h1 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
  }

  .hero .tagline {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .event-info {
    margin: 1rem auto 2rem auto;
    padding: 1.2rem 1.5rem;
    max-width: 350px;
  }

  .hero-buttons {
    margin-top: 2rem;
    margin-bottom: 2rem; 
    display: flex;
    flex-direction: column; 
    gap: 1rem;
    width: 100%;
    max-width: 280px;
    position: relative;
    z-index: 25; 
  }

  .btn {
    width: 100%; 
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: 30px;
    text-align: center;
    display: block;
    box-sizing: border-box;
    position: relative;
    z-index: 25;
    white-space: normal; 
    word-wrap: break-word;
  }

  .slideshow-dots {
    bottom: 15px; 
    padding: 8px 15px;
    gap: 10px;
  }

  .dot {
    height: 12px;
    width: 12px;
  }
}

@media (max-width: 480px) {
  .hero {
    height: 75vh;
    min-height: 520px;
    padding: 30px 10px 90px 10px; 
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero .tagline {
    font-size: 0.9rem;
  }

  .event-info {
    max-width: 320px;
    padding: 1rem 1.2rem;
  }

  .hero-buttons {
    max-width: 260px;
    margin-top: 1.8rem;
    margin-bottom: 2.5rem;
  }

  .btn {
    padding: 0.9rem 1.8rem;
    font-size: 0.9rem;
  }

  .slideshow-dots {
    bottom: 10px;
  }
}

/* ========== Section Base ========== */
.section {
  padding: 4rem 1rem;
}

.center {
  text-align: center;
}

/* ========== About Section ========== */
#about {
  padding: 60px 20px;
  background-color: #77a7c4;
  color: white;
}

#about h2 {
  font-size: 48px;
  text-align: center;
  margin-bottom: 20px;
}

.about-content {
  max-width: 900px;
  margin: auto;
  font-size: 18px;
  line-height: 1.8;
  text-align: justify;
  line-height: 1.6;
}

/* ========== Robot Section ========== */
#robot {
  padding: 60px 20px;
  background-color: #ffffff;
}

#robot h2 {
  font-size: 42px;
  font-weight: bold;
  color: #333;
  margin-bottom: 40px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.robot-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 40px auto;
}

.robot-card {
  background: white;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #e5e7eb;
}

.robot-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.video-container {
  position: relative;
  width: 100%;
  height: 250px;
  background: #000;
  overflow: hidden;
}

.video-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  font-weight: bold;
  position: relative;
  cursor: pointer;
}

.play-button {
  position: absolute;
  width: 70px;
  height: 70px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.play-button:hover {
  background: white;
  transform: scale(1.1);
}

.play-button::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 20px solid #333;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  margin-left: 4px;
}

.robot-info {
  padding: 20px;
  text-align: center;
}

.robot-title {
  font-size: 1.3rem;
  font-weight: bold;
  color: #333;
  margin-bottom: 10px;
}

.robot-description {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ========== Organizers Section ========== */
#organizers {
  padding: 60px 20px;
  text-align: center;
  background-color: white;
}

#organizers h2 {
  font-size: 42px;
  font-weight: bold;
  text-transform: uppercase;
  margin-bottom: 50px;
  color: #333;
  letter-spacing: 2px;
}

.organizer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  justify-items: center;
  align-items: center;
  margin-top: 2rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.organizer-item {
  text-align: center;
  padding: 15px; 
  border-radius: 15px;
  background: transparent; 
  box-shadow: none;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.organizer-item img {
  max-height: 80%; 
  max-width: 90%; 
  width: auto;
  height: auto;
  object-fit: contain;
  margin-bottom: 10px; 
  flex-grow: 1; 
}

.organizer-item p {
  font-size: 0.9rem;
  color: #666;
  font-style: italic;
  margin: 0;
  line-height: 1.4;
  flex-shrink: 0; 
}

/* ========== Co-Organizers Section ========== */
#co-organizers {
  padding: 60px 20px;
  text-align: center;
  background-color: white;
}

#co-organizers h2 {
  font-size: 42px;
  font-weight: bold;
  text-transform: uppercase;
  margin-bottom: 50px;
  color: #333;
  letter-spacing: 2px;
}

.co-organizer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  justify-items: center;
  align-items: center;
  margin-top: 2rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.co-organizer-item {
  text-align: center;
  padding: 15px; 
  border-radius: 15px;
  background: transparent;
  box-shadow: none; 
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.co-organizer-item img {
  max-height: 80%; 
  max-width: 90%; 
  width: auto;
  height: auto;
  object-fit: contain;
  margin-bottom: 10px; 
  flex-grow: 1; 
}

.co-organizer-item p {
  font-size: 0.9rem;
  color: #666;
  font-style: italic;
  margin: 0;
  line-height: 1.4;
  flex-shrink: 0; 
}

/* ========== Sponsors Section ========== */
#sponsors {
  padding: 60px 20px;
  text-align: center;
  background-color: white;
}

#sponsors h2 {
  font-size: 42px;
  font-weight: bold;
  text-transform: uppercase;
  margin-bottom: 50px;
  color: #333;
  letter-spacing: 2px;
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
  gap: 3rem;
  justify-items: center;
  align-items: center;
  margin-top: 2rem;
  max-width: 1200px; 
  margin-left: auto;
  margin-right: auto;
}

.sponsor-item {
  text-align: center;
  padding: 20px; 
  border-radius: 15px;
  background: transparent; 
  box-shadow: none; 
  width: 100%;
  max-width: 300px;
  height: 250px; 
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.sponsor-item img {
  max-height: 75%;
  max-width: 85%; 
  width: auto;
  height: auto;
  object-fit: contain;
  margin-bottom: 10px; 
  flex-grow: 1;
}

.sponsor-item p {
  font-size: 1rem; 
  color: white;
  font-style: italic;
  margin: 0;
  line-height: 1.4;
  flex-shrink: 0; 
}

/* Mobile responsive untuk sponsor */
@media (max-width: 768px) {
  .sponsor-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); 
    gap: 2.5rem; 
  }
  
  .sponsor-item {
    padding: 15px; 
    height: 200px; 
  }
  
  .sponsor-item img {
    max-height: 70%;
    max-width: 85%;
  }

  .organizer-item,
  .co-organizer-item {
    height: 180px; 
  }

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

  .sponsor-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .sponsor-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .sponsor-item {
    height: 180px;
  }
  
  .sponsor-item img {
    max-height: 65%;
    max-width: 90%;
  }

  .organizer-item,
  .co-organizer-item {
    height: 160px;
  }
}

/* ========== Contact Section ========== */
.section.contact {
  background-color: #e2e9f0;
  padding: 40px 20px;
  width: 100%;
}

.contact {
  max-width: 1900px;
  margin: 0 auto;
}

.contact h2 {
  font-size: 30px;
  font-weight: bold;
  text-align: center;
  color: #333;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.contact-info {
  text-align: center;
  color: #666;
  font-size: 1rem;
  margin-bottom: 1.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.contact-container {
  max-width: 500px;
  margin: 0 auto;
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid #e5e7eb;
}

.contact form {
  width: 100%;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 15px;
}

.form-group {
  position: relative;
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  transition: all 0.3s ease;
  background: #fff;
  box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #60a5fa;
  box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}

.submit-btn {
  width: 100%;
  background: #60a5fa;
  color: white;
  padding: 10px;
  font-weight: bold;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 10px;
}

.submit-btn:hover {
  background: #3b82f6;
  transform: translateY(-1px);
}

.submit-btn:active {
  transform: translateY(0);
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

/* Mobile responsive for contact form */
@media (max-width: 768px) {
  .section.contact {
    padding: 30px 15px;
  }
  
  .contact h2 {
    font-size: 28px;
  }
  
  .contact-container {
    padding: 25px 20px;
    margin: 0 15px;
    border-radius: 12px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .form-group input,
  .form-group textarea {
    padding: 10px 12px;
    font-size: 14px;
  }
  
  .submit-btn {
    padding: 10px;
    font-size: 0.9rem;
  }

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

  .sponsor-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .contact h2 {
    font-size: 24px;
  }
  
  .contact-container {
    padding: 20px 15px;
  }
  
  .contact-info {
    font-size: 0.9rem;
    margin-bottom: 1rem;
  }
}

/* ========== Footer ========== */
footer {
  background: #111827;
  color: white;
  padding: 2rem 1rem;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1000px;
  margin: auto;
  gap: 2rem;
}

.footer-content > div {
  flex: 1;
  min-width: 250px;
}

footer h4, footer h3 {
  margin-bottom: 0.5rem;
  color: #f1f5f9;
}

footer ul {
  list-style: none;
  padding: 0;
}

footer ul li {
  margin-bottom: 0.3rem;
}

footer ul li a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color 0.3s ease;
}

footer ul li a:hover {
  color: #60a5fa;
}

footer p {
  margin: 0.25rem 0;
  color: #cbd5e1;
}

footer .copyright {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.875rem;
  border-top: 1px solid #374151;
  padding-top: 1rem;
}
@media (min-width: 769px) {
  .nav-overlay {
    display: none !important;
  }
  
  .nav-overlay.active {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .nav-overlay.active {
    display: block;
  }
}