* {
  box-sizing: border-box;
}
html,
body {
  overflow-x: hidden;
}
:root {
  --primary-color: #0d4d4d;
  --accent-color: #37c5b4;
  --light-bg: #f4f6f7;
  --dark-text: #333;
  --white: #fff;
}

body {
  font-family: "Segoe UI", sans-serif;
  background: var(--light-bg);
  color: var(--dark-text);
  line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5 {
  font-weight: 700;
  /* color: var(--primary-color); */
}

a {
  text-decoration: none;
  transition: 0.3s ease;
}

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

.navbar .nav-link {
  margin-right: 15px;
  transition: 0.3s;
}
.navbar .nav-link:hover,
.navbar .dropdown-item:hover {
  color: var(--accent-color) !important;
}
.navbar .dropdown-menu {
  background: var(--primary-color);
  border: none;
  border-radius: 6px;
}
.navbar .dropdown-item {
  color: #fff;
  padding: 10px 15px;
}

.hero {
  text-align: center;
  padding: 120px 20px;
  color: var(--white);
  background: linear-gradient(rgba(13, 77, 77, 0.8), rgba(13, 77, 77, 0.8));
}

.hero h1 {
  font-size: 3rem;
  color: var(--accent-color);
  font-weight: 700;
}

.hero p {
  font-size: 1.2rem;
  margin-top: 10px;
}

.btn-main {
  background: var(--accent-color);
  color: var(--white);
  font-weight: 600;
  padding: 12px 30px;
  border-radius: 8px;
  transition: 0.3s;
  border: none;
}

.btn-main:hover {
  background: #2fb09f;
  color: #fff;
}

.service-card,
.card {
  background: var(--white);
  border: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  padding: 30px;
  text-align: center;
  border-radius: 12px;
  transition: 0.3s ease;
}

.service-card:hover,
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.1);
}

.service-card i,
.card i {
  font-size: 3rem;
  color: var(--accent-color);
  margin-bottom: 15px;
}

.why-section {
  background: var(--primary-color);
  color: var(--white);
  padding: 60px 20px;
}

.why-box {
  text-align: center;
  padding: 20px;
}

.why-box i {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 10px;
}

.cta-section {
  background: var(--accent-color);
  color: #fff;
  padding: 60px 20px;
  text-align: center;
}

#pricing .card {
  border-radius: 12px;
  padding: 30px 20px;
  text-align: center;
}

#pricing h3 {
  color: var(--primary-color);
  font-size: 2rem;
  font-weight: bold;
}

#pricing .btn {
  border-radius: 6px;
  margin-top: 15px;
}

#contact {
  background: #fff;
}

#contact h2 {
  margin-bottom: 20px;
}

#contact .form-control {
  border-radius: 6px;
  padding: 12px;
  border: 1px solid #ddd;
}

#contact .form-control:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.2rem rgba(55, 197, 180, 0.2);
}

#contact .btn {
  background: var(--accent-color);
  color: #fff;
  font-weight: 600;
  border-radius: 6px;
  transition: 0.3s;
}

#contact .btn:hover {
  background: #2fb09f;
}
footer a {
  text-decoration: none;
  transition: 0.3s;
}
footer a:hover {
  color: var(--accent-color);
}
footer .bi {
  font-size: 1.2rem;
  margin: 0 5px;
  transition: 0.3s;
}
footer .bi:hover {
  color: var(--accent-color);
}
.carousel-item p.lead {
  font-size: 1.2rem;
  color: var(--dark-text);
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  filter: invert(1);
}

.grayscale {
  filter: grayscale(100%);
  opacity: 0.8;
  transition: 0.3s;
}

.grayscale:hover {
  filter: grayscale(0%);
  opacity: 1;
}
@media (max-width: 750px) {
  .hero h1 {
    font-size: 1.7rem; 
  }
}