:root {
    --primary-color: #0a192f;
    --secondary-color: #64ffda;
    --accent-color: #112240;
    --text-white: #e6f1ff;
    --text-gray: #8892b0;
    --bg-light: #f8f9fa;
    --transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--primary-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: white;
}

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

/* Header & Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: #ffffff !important;
    /* 강제 적용 */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 80px;
    /* 로고를 더 크게 조정 */
    width: auto;
    display: block;
}

.logo span {
    color: var(--text-white);
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #000080 !important;
    /* 남색 강제 적용 */
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: #004080;
    text-decoration: underline;
}

.menu-toggle {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: #000080 !important;
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    height: 100vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-white);
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    font-family: 'Outfit', sans-serif;
}

.highlight {
    color: var(--secondary-color);
}

.hero-content p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    color: var(--text-gray);
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    font-size: 0.9rem;
}

.btn.primary {
    background-color: #000080;
    border: 1px solid #000080;
    color: white;
}

.btn.primary:hover {
    background-color: #000066;
    border-color: #000066;
}

.btn.secondary {
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.1);
}

.btn.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Section Common */
.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-family: 'Outfit', sans-serif;
}

.underline {
    width: 60px;
    height: 4px;
    background: var(--secondary-color);
    margin: 0 auto;
}

/* About Section */
.about-section {
    padding: 100px 0;
}

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

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.feature-list {
    list-style: none;
}

.feature-list li::before {
    content: "▹";
    color: var(--secondary-color);
    margin-right: 10px;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border-left: 5px solid var(--secondary-color);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.stat-card .number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-card .label {
    color: var(--text-gray);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* Business Section */
.business-section {
    padding: 100px 0;
    background-color: var(--primary-color);
    color: var(--text-white);
}

.business-section .section-title h2 {
    color: var(--text-white);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.business-card {
    background: var(--accent-color);
    padding: 3rem 2rem;
    border-radius: 8px;
    text-align: left;
    transition: var(--transition);
}

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

.business-card .icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

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

.business-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* Partners Section */
.partners-section {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    text-align: center;
}

.partner-card {
    background: white;
    padding: 2rem 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.partner-card h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.info-item {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--text-gray);
    padding: 4rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-logo {
    color: var(--text-white);
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.9rem;
}

.social-links a:hover {
    color: var(--secondary-color);
}

/* Animations */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 968px) {
    .hero-content h1 {
        font-size: 3rem;
    }

    .about-grid,
    .business-grid,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: block;
    }
}