/* Pretendard Font */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css");

:root {
  --primary: #22c55e;
  --bg: #fafafa;
  --text-main: #1a1a1a;
  --text-sub: #666666;
  --white: #ffffff;
  --font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Hero Section */
.hero {
  padding: 100px 0 60px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.app-icon {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  margin-bottom: 24px;
}

h1 {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.slogan {
  font-size: 20px;
  color: var(--text-sub);
  margin-bottom: 40px;
  font-weight: 500;
}

/* CTA Buttons */
.cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  font-size: 16px;
  border: 2px solid transparent;
}

.btn-badge {
  background-color: transparent;
  padding: 0;
  min-width: auto;
}

.btn-badge img {
  height: 52px;
  width: auto;
  display: block;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.08));
}

.btn:hover img {
  transform: scale(1.05);
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.12));
}

.btn:hover {
  transform: translateY(-2px);
  opacity: 1;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Showcase Section */
.showcase {
  padding: 40px 0;
  overflow: hidden;
}

.showcase-scroll {
  display: flex;
  gap: 32px;
  overflow-x: auto;
  padding: 40px 20px 80px;
  margin: 0 -20px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.showcase-scroll::-webkit-scrollbar {
  display: none;
}

.screenshot-card {
  flex: 0 0 auto;
  width: 280px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 
    0 10px 20px -5px rgba(0, 0, 0, 0.04),
    0 20px 40px -10px rgba(0, 0, 0, 0.08);
  background: var(--white);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.screenshot-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 
    0 20px 30px -5px rgba(0, 0, 0, 0.06),
    0 30px 60px -12px rgba(0, 0, 0, 0.12);
}

.screenshot-card img {
  width: 100%;
  display: block;
}

/* Features */
.features {
  padding: 80px 0;
  background-color: var(--white);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 40px;
}

.feature-item {
  text-align: center;
}

.feature-icon {
  width: 56px;
  height: 56px;
  background-color: rgba(34, 197, 94, 0.1);
  color: var(--primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.feature-item h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.feature-item p {
  color: var(--text-sub);
  font-size: 15px;
}

/* Footer */
footer {
  padding: 60px 0;
  text-align: center;
  color: var(--text-sub);
  font-size: 14px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 60px 0 40px;
  }
  
  h1 {
    font-size: 32px;
  }
  
  .slogan {
    font-size: 17px;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .screenshot-card {
    width: 240px;
  }
}