* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background-color: #f0f8ff;
  color: #333;
  line-height: 1.6;
}

/* Navigation */
nav {
  background-color: #ff69b4;
  padding: 1rem;
}

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

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

nav a:hover {
  color: #ffd700;
}

/* Main Content */
main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1rem;
}

h1 {
  text-align: center;
  color: #ff69b4;
  margin-bottom: 2rem;
}

/* Ice Cream Cards */
.ice-cream-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.ice-cream-card {
  background: white;
  border-radius: 10px;
  padding: 1rem;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

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

.ice-cream-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 5px;
}

.ice-cream-card h3 {
  color: #ff69b4;
  margin: 1rem 0;
}

/* Fun Facts Section */
.fun-facts {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  margin-top: 2rem;
}

.fun-facts ul {
  list-style-position: inside;
  margin-top: 1rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  background: #ff69b4;
  color: white;
  position: fixed;
  bottom: 0;
  width: 100%;
}

/* Timeline Section */
.timeline {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  margin: 2rem 0;
}

.timeline-item {
  border-left: 3px solid #ff69b4;
  padding-left: 1rem;
  margin: 1rem 0;
  position: relative;
}

.timeline-item::before {
  content: "";
  width: 12px;
  height: 12px;
  background: #ff69b4;
  border-radius: 50%;
  position: absolute;
  left: -7.5px;
  top: 5px;
}

/* Future Concepts */
.future-concepts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.concept-card {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

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

.concept-card h3 {
  color: #ff69b4;
  margin-bottom: 1rem;
}

/* Vintage Recipes */
.vintage-recipes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.recipe-card {
  background: #fff5f8;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  border: 2px dashed #ff69b4;
  transition: transform 0.3s;
}

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

.recipe-card h3 {
  color: #ff69b4;
  margin-bottom: 1rem;
}

/* Future Tech */
.future-tech {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.tech-card {
  background: linear-gradient(135deg, #fff 0%, #f0f8ff 100%);
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
  border: 1px solid #e0e0e0;
}

.tech-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.tech-card h3 {
  color: #ff69b4;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

/* Past Page Styles */
body.past {
  background-color: #f5e6d3;
}

body.past h1 {
  color: #8b4513;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
  font-size: 2.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-bottom: 3px double #8b4513;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
}

body.past h2 {
  color: #8b4513;
  font-size: 1.8rem;
  margin: 2rem 0 1rem;
  text-decoration: underline;
  text-decoration-style: wavy;
  text-decoration-color: #8b4513;
}

body.past .timeline-item {
  border-left: 3px solid #8b4513;
  background: rgba(255, 248, 240, 0.9);
  padding: 1.5rem;
  border-radius: 0 10px 10px 0;
  margin: 2rem 0;
  box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.1);
}

body.past .timeline-item::before {
  background: #8b4513;
  box-shadow: 0 0 0 4px #f5e6d3;
}

body.past .timeline-item h3 {
  color: #8b4513;
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  font-style: italic;
}

body.past .recipe-card {
  background: #fff5f8;
  border: 2px dashed #8b4513;
  padding: 2rem;
  position: relative;
  background-image: linear-gradient(
      90deg,
      transparent 79px,
      #8b4513 79px,
      #8b4513 81px,
      transparent 81px
    ),
    linear-gradient(#fff5f8 0.1em, transparent 0.1em);
  background-size: 100% 1.2em;
}

body.past .recipe-card h3 {
  color: #8b4513;
  margin-bottom: 1rem;
  font-size: 1.4rem;
  text-decoration: underline;
  text-decoration-style: dotted;
}

body.past .fun-facts {
  background: #fff5f8;
  border: 2px solid #8b4513;
  padding: 2rem;
  position: relative;
}

body.past .fun-facts::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 5px;
  right: -5px;
  bottom: -5px;
  background: #8b4513;
  z-index: -1;
}

body.past .fun-facts li {
  color: #4a4a4a;
  margin: 1rem 0;
  position: relative;
  padding-left: 1.5rem;
}

body.past .fun-facts li::before {
  content: "•";
  color: #8b4513;
  position: absolute;
  left: 0;
  font-size: 1.5rem;
}

body.past nav {
  background-color: #8b4513;
  border-bottom: 3px double #f5e6d3;
}

body.past nav a {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

body.past footer {
  background: #8b4513;
  border-top: 3px double #f5e6d3;
}

/* Future Page Styles */
body.future {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: #fff;
}

body.future h1 {
  color: #00ff9d;
  text-shadow: 0 0 10px rgba(0, 255, 157, 0.5);
}

body.future .concept-card,
body.future .tech-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

body.future .concept-card h3,
body.future .tech-card h3 {
  color: #00ff9d;
}

body.future .fun-facts {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

body.future .fun-facts li {
  color: #fff;
  text-shadow: 0 0 5px rgba(0, 255, 157, 0.3);
}

body.future .concept-card:hover,
body.future .tech-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 0 20px rgba(0, 255, 157, 0.3);
}

/* Features Section */
.features-section {
  background: #fff5f8;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(255, 105, 180, 0.08);
  padding: 2rem;
  margin: 2rem auto;
  max-width: 700px;
}

.features-section h2 {
  color: #ff69b4;
  text-align: center;
  margin-bottom: 1.5rem;
}

.features-section ul {
  list-style: none;
  padding: 0;
}

.features-section li {
  background: #ffe4ec;
  margin: 1rem 0;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  font-size: 1.1rem;
  box-shadow: 0 1px 4px rgba(255, 105, 180, 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.features-section a {
  color: #ff69b4;
  text-decoration: underline;
}

.features-section button {
  background: #ff69b4;
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1.2rem;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: background 0.2s;
}

.features-section button:hover {
  background: #ff85c2;
}

.features-section mark {
  background: #fff176;
  padding: 0.1em 0.3em;
  border-radius: 3px;
}

.features-section audio {
  margin-top: 0.5rem;
}

.features-section ol {
  margin: 0.5rem 0 0 1.5rem;
}