:root {
    --primary-color: #10B981; /* Emerald 500 */
    --primary-dark: #059669;
    --secondary-color: #0EA5E9; /* Sky 500 */
    --bg-color: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
}

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

body {
    font-family: 'Noto Sans KR', 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography & Utilities */
h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Background Animation */
.background-globes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.globe {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 20s infinite ease-in-out;
}

.globe-1 {
    width: 400px;
    height: 400px;
    background: #d1fae5;
    top: -100px;
    left: -100px;
}

.globe-2 {
    width: 500px;
    height: 500px;
    background: #e0f2fe;
    bottom: -150px;
    right: -150px;
    animation-delay: -5s;
}

.globe-3 {
    width: 300px;
    height: 300px;
    background: #f0fdf4;
    top: 40%;
    left: 30%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

/* Component: Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--text-muted);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Glassmorphism */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--glass-shadow);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    border-radius: 0 0 24px 24px;
    border-top: none;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
}

.logo .dot {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
}

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

/* Hero Section */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.stats-row {
    display: flex;
    justify-content: space-around;
    padding: 1.5rem;
    max-width: 450px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.hero-image {
    position: relative;
}

.image-wrapper {
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 32px;
    transition: transform 0.5s ease;
}

.image-wrapper:hover img {
    transform: scale(1.02);
}

.floating-card {
    position: absolute;
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    border-radius: 16px;
    z-index: 10;
    animation: float 6s infinite ease-in-out;
}

.card-1 {
    top: 10%;
    right: -20px;
    background: rgba(255, 255, 255, 0.85);
}

.card-2 {
    bottom: 15%;
    left: -20px;
    animation-delay: -2s;
    background: rgba(255, 255, 255, 0.85);
}

.floating-card .icon {
    font-size: 1.5rem;
}

.floating-card .text {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    line-height: 1.2;
}

/* Features Section */
.features {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

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

.feature-card {
    padding: 2.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-bg-1 { background: #dcfce7; color: #166534; }
.icon-bg-2 { background: #dbeafe; color: #1e40af; }
.icon-bg-3 { background: #fff7ed; color: #9a3412; }

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    padding: 80px 0 120px;
}

.cta-box {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(240,253,244,0.9));
}

.cta-box h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-box p {
    margin-bottom: 2rem;
    color: var(--text-muted);
}

.email-form {
    display: flex;
    justify-content: center;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.email-form input {
    flex: 1;
    padding: 0.8rem 1.5rem;
    border: 1px solid #e2e8f0;
    border-radius: 50px;
    outline: none;
    font-size: 1rem;
}

.email-form input:focus {
    border-color: var(--primary-color);
}

/* Footer */
.footer {
    padding: 4rem 0;
    border-top: 1px solid #e2e8f0;
    background: #fff;
}

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

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.footer-links {
    display: flex;
    gap: 4rem;
    flex-wrap: wrap;
}

.link-group h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.link-group a {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.link-group a:hover {
    color: var(--primary-color);
}

/* Animation Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }

/* Responsive */
@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }

    .hero-btns {
        justify-content: center;
    }

    .stats-row {
        margin: 0 auto;
    }
    
    .card-1 { right: 0; }
    .card-2 { left: 0; }
}

@media (max-width: 600px) {
    .email-form {
        flex-direction: column;
    }
    
    .nav-links {
        display: none;
    }
}