:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --dark-color: #0f172a;
    --gray-color: #64748b;
    --light-gray: #f8fafc;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    gap: 48px;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 28px;
    font-weight: 800;
    text-decoration: none;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-meta {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-wave {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-1);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.btn-nav {
    white-space: nowrap;
    flex-shrink: 0;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(180deg, var(--white) 0%, var(--light-gray) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 10s ease-in-out infinite;
}

.hero-shape.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-1);
    top: -10%;
    right: -10%;
}

.hero-shape.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-2);
    bottom: -10%;
    left: -10%;
    animation-delay: 3s;
}

.hero-shape.shape-3 {
    width: 350px;
    height: 350px;
    background: var(--gradient-3);
    top: 40%;
    left: 50%;
    animation-delay: 6s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(30px, -30px) rotate(90deg); }
    50% { transform: translate(-20px, 20px) rotate(180deg); }
    75% { transform: translate(20px, 30px) rotate(270deg); }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50px;
    margin-bottom: 32px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
}

.label-icon {
    font-size: 18px;
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 32px;
    color: var(--dark-color);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.emphasis-text {
    position: relative;
    display: inline-block;
}

.emphasis-text::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    right: 0;
    height: 12px;
    background: rgba(236, 72, 153, 0.2);
    z-index: -1;
    border-radius: 4px;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 48px;
    font-weight: 500;
    color: var(--gray-color);
}

.hero-subtitle .logo-meta,
.hero-subtitle .logo-wave {
    font-size: 26px;
    font-weight: 800;
}

.hero-cta {
    margin-bottom: 48px;
}

.btn-hero {
    padding: 20px 48px;
    font-size: 18px;
    font-weight: 700;
    background: var(--gradient-1);
    color: var(--white);
    border: none;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.5);
}

.btn-hero i {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
}

.hero-trust {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--dark-color);
}

.trust-item i {
    color: #10b981;
    font-size: 18px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}

.scroll-indicator span {
    width: 2px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: scroll-bounce 1.5s infinite;
}

.scroll-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.scroll-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes scroll-bounce {
    0%, 100% { opacity: 0; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.4);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Section Styles */
section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--dark-color);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-color);
    font-weight: 400;
}

/* Why METAWAVE Section */
.why-section {
    background: var(--white);
}

.why-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.why-card {
    background: var(--white);
    border-radius: 24px;
    padding: 48px 36px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-1);
}

.why-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.card-number {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 72px;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.1;
}

.card-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 32px;
    margin-bottom: 24px;
}

.card-title {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.card-subtitle {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.card-description {
    font-size: 16px;
    color: var(--gray-color);
    line-height: 1.7;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid #e2e8f0;
}

.card-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 18px;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--dark-color);
}

.feature-content p {
    font-size: 14px;
    color: var(--gray-color);
    line-height: 1.6;
}

/* Process Section */
.process-section {
    background: var(--light-gray);
}

.process-timeline {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.process-step {
    background: var(--white);
    border-radius: 20px;
    padding: 36px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.process-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.process-step:hover::before {
    transform: scaleX(1);
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 20px;
}

.step-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark-color);
}

.step-description {
    font-size: 15px;
    color: var(--gray-color);
    line-height: 1.7;
    margin-bottom: 20px;
}

.step-icon {
    width: 50px;
    height: 50px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 22px;
    margin-left: auto;
}

/* Contact Section */
.contact-section {
    background: var(--white);
}

.contact-hero {
    text-align: center;
    margin-bottom: 80px;
}

.contact-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.contact-title .logo-meta,
.contact-title .logo-wave {
    font-size: 52px;
}

.contact-subtitle {
    font-size: 18px;
    color: var(--gray-color);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-form-container {
    background: var(--light-gray);
    padding: 48px;
    border-radius: 24px;
}

.form-header {
    margin-bottom: 36px;
}

.form-header h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.form-header p {
    font-size: 15px;
    color: var(--gray-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-color);
    font-size: 14px;
}

.required {
    color: var(--accent-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-notice {
    text-align: center;
    font-size: 13px;
    color: var(--gray-color);
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.form-notice i {
    color: #10b981;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    background: var(--light-gray);
    padding: 32px;
    border-radius: 20px;
    transition: var(--transition);
}

.info-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.info-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.info-header i {
    width: 40px;
    height: 40px;
    background: var(--gradient-1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
}

.info-header h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-color);
}

.info-card p {
    font-size: 14px;
    color: var(--gray-color);
    margin-bottom: 8px;
}

.info-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 8px 0;
}

.info-time {
    font-size: 13px;
    color: var(--gray-color);
}

.info-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: var(--transition);
}

.info-link:hover {
    gap: 12px;
}

.info-benefits {
    background: var(--gradient-1);
    color: var(--white);
    padding: 32px;
    border-radius: 20px;
}

.info-benefits h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

.info-benefits ul {
    list-style: none;
}

.info-benefits li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
}

.info-benefits li:last-child {
    margin-bottom: 0;
}

.info-benefits i {
    background: rgba(255, 255, 255, 0.2);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 60px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    font-family: 'Poppins', sans-serif;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-desc {
    color: #94a3b8;
    margin-bottom: 24px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--gradient-1);
    transform: translateY(-3px);
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 12px;
}

.footer-section a {
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
}

.footer-section a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-section li i {
    margin-right: 8px;
    color: var(--primary-color);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 14px;
    color: #94a3b8;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--dark-color);
    color: var(--white);
    padding: 16px 28px;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 9999;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.toast i {
    color: #10b981;
    font-size: 20px;
}

/* Animations */
[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-40px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(40px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 52px;
    }
    
    .section-title {
        font-size: 40px;
    }
    
    .contact-title {
        font-size: 40px;
    }
    
    .why-cards {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: 32px 24px;
        box-shadow: var(--shadow-md);
        transition: var(--transition);
        gap: 24px;
        justify-content: flex-start;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .btn-nav {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-trust {
        flex-direction: column;
        gap: 20px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .contact-title {
        font-size: 32px;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        padding: 32px 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .btn-hero {
        padding: 16px 32px;
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .card-title {
        font-size: 22px;
    }
    
    .contact-title {
        font-size: 26px;
    }
}