/* Font Definitions */
@import url(https://fonts.googleapis.com/earlyaccess/notosanskr.css);

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

/* Variables */
:root {
    --primary: #080a11;
    --secondary: #303744;
    --accent: #4cf9c9;
    --accent-dark: #2c645e;
    --accent-light: #578c83;
    --text: #eef0f2;
    --blue: #4675d6;
    --purple: #6e666c;
    --dark: #080a11;

    --transition: all 0.3s ease;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR';
    background-color: var(--primary);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Sans KR';
    font-weight: 500;
    line-height: 1.2;
}

a {
    color: rgba(238, 240, 242, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-light);
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Noto Sans KR';
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--primary);
}

.btn-primary:hover {
    background-color: var(--accent-dark);
}

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

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

/* Hero Section */
.hero {
    min-height: 90vh;
    background-image: linear-gradient(to bottom, rgba(8, 10, 17, 0.7), rgba(8, 10, 17, 0.8)), url(../images/1764494910.jpeg);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 2rem 1.5rem;
    text-align: center;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to top, var(--primary), transparent);
}

.hero-content {
    max-width: 1000px;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: rgba(238, 240, 242, 0.8);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

/* AI Foundry Section */
.ai-foundry {
    background-color: var(--secondary);
    padding: 6rem 0;
}

.ai-foundry-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.ai-foundry-content {
    order: 2;
}

.ai-foundry-image {
    order: 1;
    text-align: center;
}

.ai-foundry-image img {
    border-radius: 0.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    margin: 0 auto;
    max-width: 100%;
}

.section-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: rgba(238, 240, 242, 0.9);
}

.feature-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.feature-icon {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background-color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.feature-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature-description {
    color: rgba(238, 240, 242, 0.8);
}

/* Core Values Section */
.core-values {
    background-color: var(--primary);
    padding: 6rem 0;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background-color: var(--secondary);
    border-radius: 0.75rem;
    padding: 2rem;
    border: 1px solid rgba(76, 249, 201, 0.2);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.value-icon {
    width: 4rem;
    height: 4rem;
    background-color: rgba(76, 249, 201, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.value-icon svg {
    width: 2rem;
    height: 2rem;
}

.value-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.value-description {
    color: rgba(238, 240, 242, 0.8);
}

/* Services Section */
.services {
    background-color: var(--secondary);
    padding: 6rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background-color: var(--primary);
    border-radius: 0.75rem;
    padding: 2rem;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.service-list {
    list-style-position: inside;
    padding-left: 1.25rem;
    color: rgba(238, 240, 242, 0.8);
}

.service-list li {
    margin-bottom: 0.75rem;
}

/* Tech Stack Section */
.tech-stack {
    background-color: var(--primary);
    padding: 6rem 0;
    background-image: linear-gradient(to bottom, rgba(8, 10, 17, 0.9), rgba(8, 10, 17, 0.9)), url(../images/1940087413.jpeg);
    background-size: cover;
    background-position: center;
    position: relative;
}

.tech-circle {
    position: relative;
    max-width: 600px;
    margin: 4rem auto 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.tech-segment {
    background-color: rgba(48, 55, 68, 0.7);
    border-radius: 0.75rem;
    padding: 2rem;
    border: 1px solid rgba(76, 249, 201, 0.3);
    transition: var(--transition);
}

.tech-segment:hover {
    background-color: rgba(48, 55, 68, 0.9);
    transform: translateY(-5px);
}

.tech-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--accent);
}

.tech-description {
    color: rgba(238, 240, 242, 0.8);
}

/* AI Process Section */
.ai-process {
    background-color: var(--secondary);
    padding: 6rem 0;
}

.process-timeline {
    max-width: 800px;
    margin: 3rem auto 0;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 1.25rem;
    width: 2px;
    background-color: var(--accent);
}

.process-step {
    position: relative;
    padding-left: 3.5rem;
    margin-bottom: 3rem;
}

.process-step:last-child {
    margin-bottom: 0;
}

.process-icon {
    position: absolute;
    left: 0;
    top: 0;
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-weight: bold;
    z-index: 2;
}

.process-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.process-description {
    color: rgba(238, 240, 242, 0.8);
}

/* VMS Solutions Section */
.vms-solutions {
    background-color: var(--primary);
    padding: 6rem 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.solution-card {
    background-color: var(--secondary);
    border-radius: 0.75rem;
    padding: 2rem;
    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.solution-icon {
    width: 3.5rem;
    height: 3.5rem;
    background-color: rgba(76, 249, 201, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.solution-icon svg {
    width: 1.75rem;
    height: 1.75rem;
}

.solution-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.solution-description {
    color: rgba(238, 240, 242, 0.8);
}

/* FAQ Section */
.faq {
    background-color: var(--secondary);
    padding: 6rem 0;
    background-image: linear-gradient(to bottom, rgba(48, 55, 68, 0.9), rgba(48, 55, 68, 0.9)), url(../images/1592965250.jpeg);
    background-size: cover;
    background-position: center;
}

.faq-list {
    max-width: 900px;
    margin: 3rem auto 0;
}

.faq-item {
    background-color: var(--primary);
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    position: relative;
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    font-size: 1.5rem;
    color: var(--accent);
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: rgba(238, 240, 242, 0.8);
}

/* Footer */
.footer {
    background-color: var(--dark);
    padding: 3rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact {
    font-size: 1rem;
    color: rgba(238, 240, 242, 0.7);
}

.footer-address {
    font-size: 1rem;
    color: rgba(238, 240, 242, 0.7);
}

.footer-copyright {
    font-size: 0.875rem;
    color: rgba(238, 240, 242, 0.7);
}

.footer-credit {
    font-size: 0.75rem;
    color: rgba(238, 240, 242, 0.6);
}

/* Media Queries */
@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .ai-foundry-grid {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }

    .ai-foundry-content {
        order: 1;
    }

    .ai-foundry-image {
        order: 2;
    }

    .values-grid,
    .services-grid,
    .solutions-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .tech-circle {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-timeline::before {
        left: 50%;
        transform: translateX(-50%);
    }

    .process-step {
        padding-left: 0;
        margin-bottom: 4rem;
        display: flex;
        justify-content: center;
    }

    .process-icon {
        left: 50%;
        transform: translateX(-50%);
    }

    .process-content {
        width: 50%;
        padding: 0 2rem;
    }

    .process-step:nth-child(odd) .process-content {
        text-align: right;
        margin-right: 50%;
        padding-right: 4rem;
    }

    .process-step:nth-child(even) .process-content {
        margin-left: 50%;
        padding-left: 4rem;
    }

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