/* styles.css */
:root {
  --primary-color: #4a6bff;
  --secondary-color: #ff6b6b;
  --dark-color: #1a1a2e;
  --light-color: #f5f5f7;
  --accent-color: #6c63ff;
  --text-color: #333;
  --text-light: #666;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-color);
  padding: 0;
  margin: 0;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
}

section {
  background: white;
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  margin-bottom: 2rem;
}

h1 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-weight: 700;
  text-align: center;
  position: relative;
  padding-bottom: 1rem;
}

h1::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 2px;
}

h2 {
  font-size: 1.8rem;
  color: var(--dark-color);
  margin: 2rem 0 1rem;
  font-weight: 600;
}

p {
  margin-bottom: 1.2rem;
  color: var(--text-light);
  font-size: 1.05rem;
}

p.start {
  text-align: center;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 2rem;
  font-size: 1.2rem;
}

ul {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.8rem;
  color: var(--text-light);
  position: relative;
}

li::before {
  content: "•";
  color: var(--accent-color);
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}

.button_container {
  display: flex;
  justify-content: center;
  margin: 2rem 0;
}

.start_button {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  color: white;
  border: none;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(74, 107, 255, 0.3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.start_button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(74, 107, 255, 0.4);
}

.start_button:active {
  transform: translateY(1px);
}

video {
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  margin: 2rem auto;
  background: var(--dark-color);
}

@media (max-width: 768px) {
  main {
    padding: 1rem;
  }

  section {
    padding: 1.5rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  video {
    width: 100%;
    height: auto;
  }
}

/* Animation for the section */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

section {
  animation: fadeIn 0.6s ease-out forwards;
}