:root {
  --primary-bg: #ffffff;
  /* Pure White */
  --accent-1: #d63031;
  /* Deep Red */
  --accent-2: #27ae60;
  /* Strong Green */
  --accent-3: #f5f5f5;
  /* Off White / Light Gray */
  --text-main: #000000;
  /* Black */
  --text-muted: #2d3436;
  --border-thick: 4px solid #000000;
  --card-shadow: 8px 8px 0px #000000;
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

body {
  background-color: var(--primary-bg);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
}

header {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 5%;
  background: var(--accent-3);
  border-bottom: var(--border-thick);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.8rem;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--text-main);
  letter-spacing: 1px;
}

.hero {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 5%;
  background: white;
  border-bottom: var(--border-thick);
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 900;
  margin-bottom: 1.5rem;
  color: var(--accent-1);
  -webkit-text-stroke: 1px var(--text-main);
}

.hero p {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-main);
  max-width: 800px;
  margin-bottom: 2.5rem;
  padding: 1rem;
  background: var(--accent-3);
  border: var(--border-thick);
  transform: rotate(-1deg);
}

.hero-image-container {
  width: 100%;
  max-width: 800px;
  border: var(--border-thick);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  margin-top: 2rem;
  background: #f0f0f0;
}

.hero-image-container img {
  width: 100%;
  display: block;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 900;
  margin: 60px 0 40px;
  text-decoration: underline var(--accent-1) 8px;
}

.platform-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  padding: 0 5% 100px;
}

.platform-card {
  background: white;
  border: var(--border-thick);
  border-radius: 24px;
  padding: 2.5rem;
  transition: var(--transition);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.platform-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0px var(--accent-2);
}

.platform-card h3 {
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.1rem;
  border: var(--border-thick);
  transition: var(--transition);
  text-align: center;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent-1);
  color: var(--text-main);
  box-shadow: 4px 4px 0px #000000;
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px #2d3436;
}

.btn-accent {
  background: var(--accent-2);
  color: var(--text-main);
  box-shadow: 4px 4px 0px #000000;
}

.watchlist-section {
  padding: 100px 5%;
  background: var(--accent-2);
  border-top: var(--border-thick);
}

.watchlist-form {
  max-width: 600px;
  margin: 0 auto 4rem;
  background: white;
  padding: 3rem;
  border-radius: 30px;
  border: var(--border-thick);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.watchlist-form input,
.watchlist-form textarea {
  background: #ffffff;
  border: 3px solid #000000;
  padding: 1.2rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  width: 100%;
  color: var(--text-main);
}

.watchlist-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.watchlist-item {
  background: white;
  border: var(--border-thick);
  border-radius: 20px;
  padding: 2rem;
  position: relative;
  box-shadow: var(--card-shadow);
  animation: bounceIn 0.5s ease;
}

.remove-btn {
  position: absolute;
  top: -10px;
  right: -10px;
  background: var(--accent-1);
  color: var(--text-main);
  border: 3px solid #000000;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.remove-btn:hover {
  transform: scale(1.1) rotate(10deg);
}

@keyframes bounceIn {
  0% {
    transform: scale(0.3);
    opacity: 0;
  }

  50% {
    transform: scale(1.05);
  }

  70% {
    transform: scale(0.9);
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

footer {
  text-align: center;
  padding: 60px 5%;
  background: var(--accent-3);
  color: var(--text-main);
  border-top: var(--border-thick);
}

@media (max-width: 768px) {
  header {
    flex-direction: column;
    padding: 1rem 5%;
    gap: 1rem;
    height: auto;
  }

  .logo {
    font-size: 1.4rem;
    text-align: center;
  }

  header nav {
    display: flex;
    gap: 0.5rem;
    width: 100%;
    justify-content: center;
  }

  header nav .btn {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }

  .hero h1 {
    font-size: 2.8rem;
  }

  .hero p {
    font-size: 1.1rem;
  }
}