:root {
    --primary-color: #6C63FF;
    --secondary-color: #00D2FF;
    --accent-color: #FF00E6;
    --bg-dark: #0F172A;
    --bg-darker: #020617;
    --text-light: #F8FAFC;
    --text-gray: #94A3B8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Pretendard', sans-serif;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1,
h2,
h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    color: var(--text-gray);
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-outline {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-light);
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.nav-links .btn-primary {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: white;
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, #a5b4fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.hero-image {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at center, var(--primary-color), transparent 70%);
    opacity: 0.2;
    filter: blur(100px);
    z-index: 1;
}

/* Sections */
.section {
    padding: 100px 0;
}

.bg-dark {
    background-color: var(--bg-darker);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header p {
    font-size: 1.1rem;
    margin-top: 10px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: white;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-dark);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--secondary-color);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.check-list {
    margin-top: 20px;
}

.check-list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    color: var(--text-gray);
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Pricing */
.pricing-toggle {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    background: var(--glass-bg);
    padding: 5px;
    border-radius: 50px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-gray);
    padding: 10px 30px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.toggle-btn.active {
    background: var(--primary-color);
    color: white;
}

.pricing-grid {
    display: none;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    animation: fadeIn 0.5s ease;
}

.pricing-grid.active {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pricing-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 20px;
    position: relative;
    text-align: center;
}

.pricing-card.popular {
    border-color: var(--primary-color);
    background: rgba(108, 99, 255, 0.05);
    transform: scale(1.05);
    z-index: 1;
}

.pricing-card .badge {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.pricing-card h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: white;
}

.pricing-card .target {
    color: var(--text-gray);
    margin-bottom: 30px;
    font-size: 0.9rem;
}

.pricing-card .features {
    text-align: left;
    margin-bottom: 30px;
}

.pricing-card .features li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: var(--text-light);
}

.pricing-card .features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
    line-height: 1;
}

.pricing-note {
    text-align: center;
    margin-top: 30px;
    font-size: 0.9rem;
    color: var(--text-gray);
}

/* Contact */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.contact-info h2 {
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.info-item span {
    font-size: 1.5rem;
    background: var(--glass-bg);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.contact-form {
    background: var(--glass-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: white;
    font-family: var(--font-body);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group select option {
    color: black;
}

.full-width {
    width: 100%;
}

/* Footer */
footer {
    padding: 50px 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-info {
    margin: 20px 0;
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.8;
}

.footer-info p {
    margin-bottom: 5px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        margin: 0 auto;
    }

    .hero-btns {
        justify-content: center;
    }

    .hero-image {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .pricing-card.popular {
        transform: none;
    }
}

/* Payment Page */
.payment-container {
    padding: 120px 20px 60px;
    max-width: 800px;
    margin: 0 auto;
}

.payment-header {
    text-align: center;
    margin-bottom: 40px;
}

.payment-header h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: white;
}

.order-summary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: 20px;
    margin-bottom: 30px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.summary-item.total {
    border-top: 1px solid var(--glass-border);
    padding-top: 15px;
    margin-top: 15px;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--secondary-color);
}

.payment-methods {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: 20px;
}

.payment-methods h3 {
    margin-bottom: 20px;
    color: white;
}

.method-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition);
}

.btn-naver {
    background-color: #03C75A;
    color: white;
}

.btn-kakao {
    background-color: #FEE500;
    color: #191919;
}

.btn-google {
    background-color: white;
    color: #757575;
}

.btn-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.method-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.method-icon {
    margin-right: 10px;
    font-size: 1.2rem;
}