/* ÂáóéêÝò Ñõèìßóåéò */
body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(-45deg, #b1c09d, #6f7a5d, #8a9980, #b1c09d);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
  color: #333;
  scroll-behavior: smooth;
}

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

/* Navbar */
nav {
  position: sticky;
  top: 0;
  background: #fff;
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  z-index: 1000;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
}

nav a {
  text-decoration: none;
  color: #333;
  font-weight: 600;
  transition: color 0.3s;
}

nav a:hover {
  color: #4CAF50;
}
nav a.active {
  color: #4CAF50;
}


/* Header */
header {
  background: transparent;
  text-align: center;
  padding: 8rem 2rem 4rem;
}

header h1 {
  margin-bottom: 1rem;
  color: white;
  font-size: 2.8rem;
}

header p {
  color: white;
  font-size: 1.2rem;
}

/* Êïõìðß */
.button {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.8rem 1.6rem;
  background: #4CAF50;
  color: white;
  text-decoration: none;
  border-radius: 12px;
  font-weight: 600;
  transition: all 0.3s;
}

.button:hover {
  background: #45a049;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Cards */
section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: auto;
  scroll-margin-top: 90px;
}
#services {
  margin-top: 18rem;
}
.card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  padding: 3rem;
  margin-bottom: 20rem;
}

/* Ôßôëïé */
h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2rem;
}

h3 {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 1rem;
}

/* Õðçñåóßåò - Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-box {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s;
  text-align: center;
}

.service-box:hover {
  transform: translateY(-8px);
}

.service-box h3 {
  margin-bottom: 1rem;
  color: #4CAF50;
}

.service-box p {
  font-size: 1rem;
  color: #666;
}

/* Gallery & Glider */
.gallery-top {
  text-align: center;
  margin-bottom: 2rem;
}




/* ÂåëÜêéá Glider */
.glider-prev, .glider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #4CAF50;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  z-index: 10;
}

.glider-prev {
  left: -30px;
}

.glider-next {
  right: -30px;
}


/* Contact */
#contact {
  padding-bottom: 16rem; /* Ãéá óùóôü êåíü óôï scroll */
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  color: #ccc;
}

/* Scroll to Top Button */
#scrollTopBtn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #4CAF50;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  display: none;
  z-index: 999;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
  40% {transform: translateY(-10px);}
  60% {transform: translateY(-5px);}
}

/* Responsive */
@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }

  header p {
    font-size: 1rem;
  }

  .card {
    padding: 2rem;
  }

  .gallery {
    grid-template-columns: 2fr;
  }

  nav {
    flex-wrap: wrap;
  }
}

/* === Extra Responsive Enhancements === */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  header {
    padding: 5rem 1rem 3rem;
  }

  header h1 {
    font-size: 1.5rem;
    line-height: 1.3;
  }

  header p {
    font-size: 0.95rem;
  }

  .button {
    font-size: 0.9rem;
    padding: 0.6rem 1.2rem;
  }

  .glider-prev, .glider-next {
    padding: 6px 10px;
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  nav {
    flex-wrap: wrap;
    gap: 1rem;
    padding: 0.8rem 1rem;
  }

  nav a {
    font-size: 0.9rem;
  }

  section {
    padding: 4rem 1rem;
  }

  .card {
    padding: 2rem;
    margin-bottom: 8rem;
  }

  #services {
    margin-top: 8rem;
  }

  .services-grid {
    gap: 1.5rem;
  }

  .service-box {
    padding: 1.5rem;
  }

  h2 {
    font-size: 1.6rem;
  }

  h3 {
    font-size: 1.3rem;
  }

  .service-box p {
    font-size: 0.95rem;
  }
}