/**
 * landing.css
 * 메인 랜딩 페이지 전용 스타일
 * index.html에서 사용
 */

/* ========================================
   랜딩 페이지 레이아웃
   ======================================== */

body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.welcome-container {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 20px 60px var(--shadow-color);
  padding: 3rem;
  max-width: 600px;
  width: 90%;
  text-align: center;
  animation: fadeIn 0.5s ease-out;
}

/* ========================================
   로고
   ======================================== */

.logo {
  width: 120px;
  height: 120px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.logo i {
  font-size: 4rem;
  color: white;
}

/* ========================================
   타이틀 및 서브타이틀
   ======================================== */

h1 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 1rem;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* ========================================
   기능 소개
   ======================================== */

.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 2rem 0;
  text-align: left;
}

.feature-item {
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px var(--shadow-color);
}

.feature-item i {
  color: var(--primary-color);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.feature-text {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.feature-text strong {
  display: block;
  margin-bottom: 0.25rem;
}

.feature-text small {
  color: var(--text-secondary);
}

/* ========================================
   액션 버튼
   ======================================== */

.action-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.btn-custom {
  flex: 1;
  padding: 0.875rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary-custom {
  background: var(--primary-color);
  color: white;
}

.btn-primary-custom:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.btn-outline-custom {
  background: var(--bg-primary);
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline-custom:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* ========================================
   상태 배지
   ======================================== */

.status-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--success-color);
  color: white;
  border-radius: 20px;
  font-size: 0.875rem;
  margin-top: 1rem;
}

/* ========================================
   반응형 디자인
   ======================================== */

@media (max-width: 576px) {
  .welcome-container {
    padding: 2rem 1.5rem;
  }

  .features {
    grid-template-columns: 1fr;
  }

  .action-buttons {
    flex-direction: column;
  }

  .logo {
    width: 100px;
    height: 100px;
  }

  .logo i {
    font-size: 3rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  .subtitle {
    font-size: 1rem;
  }
}