body {
    margin: 0;
    padding: 0;
    font-family: 'Pretendard', sans-serif;
    background-color: #ffffff;
    color: #222;
}

h1, h2, h3 {
    margin: 0;
}

.navigation {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;            
  padding: 25px 40px;
  background: white;        
  backdrop-filter: none;         
  border-bottom: 1px solid #e5e5e5;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;              
  box-sizing: border-box;
}

.nav-logo {
  position: absolute; 
  left: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo img {
  height: 25px;
  object-fit: contain;
}

.navigation-menu {
  display: flex;
  align-items: center;
  gap: 27px;
}

.navigation-menu a {
  font-size: 14px;
  font-weight: bold;
  color: black;
  margin: 0;
  cursor: pointer;
  text-decoration: none;
}

.hero {
    width: 100vw;  
    margin-left: calc(50% - 50vw);  
    margin-right: calc(50% - 50vw);
    height: 200px;
    background: linear-gradient(to top, rgba(255,255,255,0.42), rgba(111, 121, 221, 0.44));
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: 80px 20px;
    margin-top: 4rem;
}

.hero-logo {
    width: 200px;  
    height: auto;
}

.hero p {
    font-size: 50px;
    margin-top: 0px;
    font-weight: 650;
}

.btn {
    display: inline-block;
    background: #6825B0;
    color: white;
    position: relative;
    font-weight: bold;
    text-decoration: none;
    border-radius: 0.25rem;
    font-size: 15px;
    padding: 0.75rem 2.5rem;
    top: -30px;  
    transition: transform 0.28s ease, 
}
.btn:hover {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 10px 20px rgba(22, 56, 119, 0.3); 
    background: #7c37c7;
}

/* 핵심 기능 */
.core {
    width: 100%;
    margin-top: 60px;
    text-align: center;
}

.core h2 {
    font-size: 30px;
}

.core-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    width: 900px;
    margin: 30px auto;
}

.core-box {
    border: 1px solid #ddd;
    border-radius: 15px;
    padding: 25px;
    text-align: left;
    background: #fff;
    
}

.core-box:hover {
    background: #fdfdfd;
    box-shadow: 0 10px 20px rgba(0,0,0,0.07);
}

.core-box p{
    font-size: 17px;
}

.core-box h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.core-icon {
    width: 25px;       
    height: auto;
    display: block;
    margin-bottom: 12px;
}

/* 요금제 */
.pricing {
    margin-top: 80px;
    text-align: center;
}

.pricing h2 {
    font-size: 30px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    width: 1100px;
    margin: 40px auto;
}

.price-box {
    border: 1px solid #ddd;
    border-radius: 15px;
    padding: 30px;
    background: #fff;
}

.price-box p {
    text-align: left;
}

.price-box h3 {
    text-align: left;
    font-size: 25px;
    margin-bottom: 10px;
}

.price-box ul {
    list-style: none;
    padding: 0;
}

.price-box ul li {
    display: flex;      
    align-items: flex-start; 
    gap: 4px;       
    line-height: 2; 
}

/*애니메이션 부분*/
.price-box{
    transition: all 0.25s ease;
    cursor: pointer;
}
.price-box:hover{
    transform: translateY(-8px); /*위로 살짝 들림*/
    box-shadow: 0px 12px 25px rgba(0, 0, 0, 0.12);
    border-color: #bb0bff;
}
.price {
    text-align: left;  
}
.price-num {
    font-weight: bold;     
    font-size: 24px;      
}

.price-unit {
    font-weight: 400;       
    font-size: 14px;      
    margin-left: 2px;     
}
.li-icon {
    width: 18px;     
    height: 18px;
    margin-right: 8px; 
    vertical-align: baseline;
    position: relative;
    top: 8px;  
}

.pricing-button-wrapper {
    text-align: center;
    margin-top: -10px;
    margin-bottom: 30px;
}

.pricing-btn {
    display: inline-block;
    background-color: #6825B0;
    color: #fff;
    font-weight: bold;
    font-size: 16px;
    padding: 12px 100px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.pricing-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 25px rgba(22, 56, 119, 0.3);
    background-color: #7c37c7;
}

@media screen and (max-width: 768px) {
  .navigation-menu {
    display: none;
  }
  .navigation {
    justify-content: flex-start;
    padding: 15px 20px;
  }
}