:root {
    --primary-color: #6A3093;
    --secondary-color: #3A1C71;
    --accent-color: #A17FE0;
    --dark-color: #2E1A5A;
    --light-color: #F5F0FF;
    --gradient: linear-gradient(135deg, #6A3093 0%, #3A1C71 100%);
    --gradient-hover: linear-gradient(135deg, #7A40A3 0%, #4A2C81 100%);
    --text-color: #333333;
    --text-light: #8E8E93;
    --white: #FFFFFF;
    --shadow: 0 8px 30px rgba(58, 28, 113, 0.2);
    --shadow-small: 0 4px 15px rgba(58, 28, 113, 0.15);
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    color: var(--text-color);
    background-color: var(--light-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: radial-gradient(var(--accent-color) 0.5px, transparent 0.5px);
    background-size: 20px 20px;
    background-position: 0 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--accent-color);
}

.btn {
    display: inline-block;
    background: var(--gradient);
    color: var(--white);
    padding: 14px 30px;
    border-radius: 50px;
    font-weight: 700;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn:hover {
    background: var(--gradient-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    background: var(--accent-color);
}

.btn-large {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.section-heading {
    font-size: 2.8rem;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 700;
    color: var(--secondary-color);
    position: relative;
    display: inline-block;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.section-heading::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
}

.section-description {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: #666;
}

/* Header */
header {
    background-color: var(--white);
    padding: 15px 0;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(106, 48, 147, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo svg {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0;
    height: 3px;
    background: var(--gradient);
    transition: width 0.3s ease;
    border-radius: 5px;
}

nav ul li a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.menu-toggle span {
    height: 3px;
    width: 100%;
    background: var(--gradient);
    border-radius: 3px;
    transition: var(--transition);
}

/* 히어로 섹션 */
.hero {
    background: var(--gradient);
    padding: 10rem 0 8rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='52' height='26' viewBox='0 0 52 26' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23FFFFFF' fill-opacity='0.1'%3E%3Cpath d='M10 10c0-2.21-1.79-4-4-4-3.314 0-6-2.686-6-6h2c0 2.21 1.79 4 4 4 3.314 0 6 2.686 6 6 0 2.21 1.79 4 4 4 3.314 0 6 2.686 6 6 0 2.21 1.79 4 4 4v2c-3.314 0-6-2.686-6-6 0-2.21-1.79-4-4-4-3.314 0-6-2.686-6-6zm25.464-1.95l8.486 8.486-1.414 1.414-8.486-8.486 1.414-1.414z' /%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.2;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    bottom: -50px;
    left: 0;
    width: 100%;
    height: 100px;
    background: var(--light-color);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0% 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-text {
    flex: 1;
    color: var(--white);
    padding-right: 2rem;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-text h1 span {
    color: var(--accent-color);
    position: relative;
}

.hero-text h1 span::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 10px;
    background-color: rgba(255, 255, 255, 0.2);
    z-index: -1;
    border-radius: 10px;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image svg {
    max-width: 100%;
    height: auto;
}

/* 특징 섹션 */
.features {
    padding: 6rem 0;
    background-color: var(--white);
}

.features-center {
    text-align: center;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--primary-color);
}

.feature-icon {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.feature-icon svg {
    width: 60px;
    height: 60px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.feature-card p {
    color: #666;
}

/* 사용법 섹션 */
.how-it-works {
    padding: 6rem 0;
    background-color: var(--light-color);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    padding: 2rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.step:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(92, 43, 41, 0.2);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    color: var(--white);
    font-size: 1.8rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.step h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* 후기 섹션 */
.testimonials {
    padding: 6rem 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial {
    background: var(--light-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    position: relative;
}

.testimonial-text {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1.5rem;
}

.testimonial-text::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -0.5rem;
    font-size: 3rem;
    color: var(--primary-color);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author-name {
    font-weight: 700;
    color: var(--secondary-color);
}

/* 행동 유도 섹션 */
.cta {
    padding: 6rem 0;
    background: var(--gradient);
    color: var(--white);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta p {
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

.cta .btn {
    background: var(--white);
    color: var(--secondary-color);
}

.cta .btn:hover {
    background: var(--light-color);
    color: var(--secondary-color);
}

/* 푸터 */
footer {
    background: var(--secondary-color);
    padding: 4rem 0 2rem;
    color: var(--white);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-logo svg {
    width: 60px;
    height: 60px;
    margin-right: 1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
}

.footer-links h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-links a {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* 애니메이션 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 반응형 디자인 */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column-reverse;
        text-align: center;
    }
    
    .hero-text {
        padding-right: 0;
        margin-top: 2rem;
    }
    
    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .section-heading {
        font-size: 2rem;
    }
    
    .footer-content > div {
        flex: 0 0 calc(50% - 1rem);
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        padding: 1rem 0;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: all 0.3s ease;
    }
    
    nav.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav ul li {
        margin: 1rem 0;
        margin-left: 0;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .features-grid, 
    .steps, 
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content > div {
        flex: 0 0 100%;
    }
}