/* 기본 스타일 리셋 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: #333;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* 히어로 섹션 */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #F5EFD7 0%, #FFE5D9 100%);
    color: #333;
    text-align: center;
}

.hero-logo {
    margin-bottom: 2rem;
}

.logo-circle {
    width: 150px;
    height: 150px;
    object-fit: contain;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(120deg, #2B3A67 0%, #0066cc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.store-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.store-button img {
    height: 50px;
    width: auto;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.store-button:hover img {
    transform: scale(1.05);
}

/* 기능 섹션 */
.features {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 3rem;
    color: #2B3A67;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    padding: 0 1rem;
}

.feature-item {
    text-align: center;
    padding: 2.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #0066cc;
}

.feature-item h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #2B3A67;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.feature-item p {
    color: #666;
    line-height: 1.8;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

/* 푸터 */
.footer {
    background-color: #2B3A67;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
    opacity: 0.8;
    letter-spacing: 0.02em;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.8rem;
    }

    .hero .subtitle {
        font-size: 1.3rem;
    }

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

    .logo-circle {
        width: 120px;
        height: 120px;
    }

    .features h2 {
        font-size: 2.3rem;
    }

    .feature-item h3 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .store-buttons {
        flex-direction: column;
        align-items: center;
    }

    .store-button img {
        height: 45px;
    }

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

    .features h2 {
        font-size: 2rem;
    }
}