/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f8f9fb;
  color: #222;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

header {
  background: #1a2236;
  color: #fff;
  padding: 1.5rem 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.logo {
  font-size: 2rem;
  font-weight: bold;
  letter-spacing: 2px;
}

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

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: #00bfae;
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero {
  background: linear-gradient(120deg, #00bfae 0%, #1a2236 100%);
  color: #fff;
  padding: 4rem 0 3rem 0;
  text-align: center;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  background: #00bfae;
  color: #fff;
  padding: 0.75rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: #009e8e;
}

.features {
  padding: 3rem 0;
  background: #fff;
}

.features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin-top: 2rem;
}

.features-list li {
  background: #f0f4f8;
  padding: 1.5rem 2rem;
  border-radius: 10px;
  min-width: 200px;
  text-align: center;
  font-size: 1.1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.services {
  padding: 3rem 0;
}

.plans {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin-top: 2rem;
}

.plan {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  padding: 2rem 1.5rem;
  min-width: 260px;
  max-width: 320px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.plan:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 6px 24px rgba(0,191,174,0.12);
}

.plan h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.plan .price {
  font-size: 2rem;
  color: #00bfae;
  margin-top: 1rem;
  font-weight: bold;
}

.plan ul {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
}

.plan ul li {
  margin-bottom: 0.5rem;
}

.about {
  padding: 3rem 0;
  background: #fff;
}

.contact {
  padding: 3rem 0;
}

.contact-form {
  background: #fff;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  max-width: 500px;
  margin: 0 auto 2rem auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form label {
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  padding: 0.75rem;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  font-size: 1rem;
  resize: none;
}

.contact-form button {
  align-self: flex-start;
}

.contact-info {
  text-align: center;
  font-size: 1.1rem;
}

.not-found {
  padding: 5rem 0;
  text-align: center;
}

.not-found h2 {
  font-size: 5rem;
  color: #00bfae;
  margin-bottom: 1rem;
}

footer {
  background: #1a2236;
  color: #fff;
  text-align: center;
  padding: 1.5rem 0 1rem 0;
  margin-top: 2rem;
}

@media (max-width: 900px) {
  .features-list, .plans {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 600px) {
  .container {
    width: 98%;
  }
  header .container {
    flex-direction: column;
    gap: 1rem;
  }
  .hero h2 {
    font-size: 2rem;
  }
  .plan {
    min-width: 90%;
    max-width: 100%;
  }
  .not-found h2 {
    font-size: 3rem;
  }
}