:root {
    --primary: #ffffff;
    --primary-dark: #e0e0e0;
    --secondary: #333333;
    --dark: #000000;
    --dark-lighter: #0a0a0a;
    --dark-card: #111111;
    --text: #ffffff;
    --text-muted: #a0a0a0;
    --white: #ffffff;
    --accent: #ffffff;
    --glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: 'Inter', 'Noto Sans KR', sans-serif;
    background-color: var(--dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

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

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

.grid {
    display: grid;
    gap: 2rem;
}

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

.section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

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

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

.bg-dark {
    background-color: var(--dark-lighter);
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    font-family: inherit;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--white);
    color: var(--dark);
    border: 1px solid var(--white);
}

.btn-primary:hover {
    transform: translateY(-3px);
    background-color: transparent;
    color: var(--white);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.btn-outline {
    border: 1px solid var(--white);
    color: var(--white);
    background: transparent;
}

.btn-outline:hover {
    background: var(--white);
    color: var(--dark);
}

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

#navbar.scrolled {
    background: rgba(10, 14, 20, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

nav ul {
    gap: 3rem;
}

nav a:hover {
    color: var(--white);
    opacity: 0.7;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

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

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

.hero-image-wrap {
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    z-index: 1;
}

.hero-img {
    width: 100%;
    filter: grayscale(1) brightness(0.9);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Mission Section */
.mission-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.mission-card {
    background-color: var(--dark-card);
    padding: 3rem 2rem;
    border-radius: 0px;
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.mission-card:hover {
    transform: translateY(-10px);
    border-color: var(--white);
}

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

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

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

/* Products Section */
.product-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.product-card {
    background-color: var(--dark-card);
    border-radius: 0px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.product-card:hover {
    transform: scale(1.02);
}

.product-img-box {
    height: 300px;
    overflow: hidden;
    position: relative;
}

.product-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-img-box img {
    transform: scale(1.1);
}

.product-info {
    padding: 2rem;
}

.product-info .category {
    color: var(--primary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 0.5rem;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.product-info p {
    color: var(--text-muted);
}

/* Technology Section */
.tech-content {
    gap: 4rem;
}

.tech-text {
    flex: 1;
}

.tech-list {
    margin-top: 2.5rem;
}

.tech-list li {
    margin-bottom: 2rem;
}

.tech-list strong {
    font-size: 1.2rem;
    display: block;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.tech-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.glass-card {
    width: 400px;
    height: 300px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
    backdrop-filter: blur(20px);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 40px 60px rgba(0, 0, 0, 0.5);
}

.tech-stats {
    text-align: center;
}

.stat {
    margin: 1rem 0;
    font-size: 1.2rem;
    color: var(--text-muted);
}

.stat span {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
}

/* Footer */
.footer {
    padding: 4rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-links ul gap: 2rem;

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

/* Animations */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s forwards;
}

.fade-in-delayed {
    opacity: 0;
    animation: fadeIn 1s 0.3s forwards;
}

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

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

/* Responsive */
@media (max-width: 968px) {
    .hero {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }

    .hero-content {
        margin-top: 100px;
        order: 2;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-image-wrap {
        position: relative;
        width: 80%;
        right: 0;
        top: 0;
        transform: none;
        order: 1;
        margin: 0 auto;
    }

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

    .tech-content {
        flex-direction: column;
    }

    .glass-card {
        width: 100%;
        max-width: 400px;
    }
}