/* Base styles */
:root {
  --primary-color: #ff6b6b;
  --secondary-color: #4ecdc4;
  --accent-color: #ffbe0b;
  --dark-color: #1a535c;
  --light-color: #f7fff7;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
}

/* Loader */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--light-color);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loader img {
  width: 100px;
  height: 100px;
}

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

body {
  font-family: "Roboto", sans-serif;
  line-height: 1.6;
  background-color: #f0f4f8;
  color: var(--dark-color);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Header styles */
header {
  background-color: var(--primary-color);
  color: white;
  padding: 2rem 0;
  text-align: center;
}

header h1 {
  font-family: "Bangers", cursive;
  font-size: 4rem;
  margin-bottom: 0.5rem;
  text-shadow: 3px 3px 0px rgba(0, 0, 0, 0.2);
  letter-spacing: 2px;
}

header h2 {
  font-weight: 400;
  font-size: 1.5rem;
}

/* Navigation */
nav {
  background-color: var(--dark-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav .container {
  display: flex;
  justify-content: center;
  position: relative;
}

nav ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  list-style: none;
}

nav ul li {
  margin: 0;
}

nav ul li a {
  display: block;
  color: var(--light-color);
  padding: 1rem;
  text-decoration: none;
  font-weight: 700;
  transition: background-color 0.3s;
}

nav ul li a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--accent-color);
}

/* Hamburger menu */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 1rem;
}

.hamburger .bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px 0;
  background-color: var(--light-color);
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
    position: absolute;
    right: 20px;
    top: 10px;
  }

  nav ul {
    display: none;
    flex-direction: column;
    width: 100%;
    text-align: center;
  }

  nav ul.show {
    display: flex;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

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

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* Card styles */
.card {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  margin-bottom: 2rem;
  transition: transform 0.3s, opacity 0.5s;
  opacity: 0;
  transform: translateY(20px);
}

.card.animate {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  transform: translateY(-5px);
}

/* Section styles */
section {
  padding: 2rem 0;
}

section h2 {
  color: var(--primary-color);
  font-size: 2rem;
  margin-bottom: 1.5rem;
  text-align: center;
  font-family: "Bangers", cursive;
  letter-spacing: 1px;
}

section h3 {
  color: var(--dark-color);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  text-align: center;
  font-style: italic;
}

/* Rules styling */
.rules-container {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
  background-color: #f9f9f9;
  border-radius: var(--border-radius);
  padding: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.rules-container:hover {
  background-color: #f0f0f0;
}

.rule-icon {
  flex: 0 0 50px;
  margin-right: 1rem;
}

.rule-icon img {
  width: 100%;
  height: auto;
}

.rule-text {
  flex: 1;
}

.rule-text p {
  margin: 0;
  font-size: 1.1rem;
}

/* Illustrations */
.pitch-illustration,
.base-illustration,
.pitcher-illustration,
.catch-illustration,
.out-illustration {
  margin: 2rem auto;
  max-width: 500px;
  text-align: center;
}

.pitch-illustration img,
.base-illustration img,
.pitcher-illustration img,
.catch-illustration img,
.out-illustration img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

/* Footer */
footer {
  background-color: var(--dark-color);
  color: var(--light-color);
  padding: 2rem 0;
  text-align: center;
}

footer p {
  margin: 0;
}

/* Back to top button */
#back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 24px;
  cursor: pointer;
  display: none;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  transition: background-color 0.3s, transform 0.2s;
  z-index: 99;
}

#back-to-top:hover {
  background-color: var(--dark-color);
  transform: scale(1.1);
}

#back-to-top.visible {
  display: block;
  animation: bounce 1s infinite alternate;
}

@keyframes bounce {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-10px);
  }
}

/* Responsive Adjustments */
@media screen and (max-width: 768px) {
  header h1 {
    font-size: 3rem;
  }

  nav ul {
    flex-direction: column;
  }

  nav ul li {
    width: 100%;
  }

  nav ul li a {
    text-align: center;
  }

  .rules-container {
    flex-direction: column;
    text-align: center;
  }

  .rule-icon {
    margin-right: 0;
    margin-bottom: 1rem;
  }
}