/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --text-light: #94a3b8;
    --bg-dark: #0f172a;
    --bg-light: #f8fafc;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

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

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* Dropdown Menu */
.nav-item {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 180px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.nav-item:hover .dropdown-menu,
.nav-item.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-dark);
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect fill="%23ffffff" fill-opacity="0.05" width="100" height="100"/></svg>');
    background-size: 50px 50px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-text .highlight {
    color: #fbbf24;
}

.hero-subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-bottom: 2rem;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #fbbf24;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

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

.btn {
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background-color: #fbbf24;
    color: var(--text-dark);
}

.btn-primary:hover {
    background-color: #f59e0b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

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

.code-block {
    background-color: #1e293b;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
}

.code-block pre {
    overflow-x: auto;
}

.code-block code {
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: #e2e8f0;
}

/* Screenshot Gallery */
.screenshot-gallery {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-height: 600px;
    overflow-y: auto;
    /* 커스텀 스크롤바 */
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}


.screenshot-gallery::-webkit-scrollbar {
    width: 6px;
}

.screenshot-gallery::-webkit-scrollbar-track {
    background: transparent;
}

.screenshot-gallery::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.screenshot-gallery::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.screenshot-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    height: 200px;
}

.screenshot-item:first-child {
    grid-column: span 2;
    height: 300px;
}

.screenshot {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: rgba(0, 0, 0, 0.8);
    display: block;
    transition: transform 0.3s ease;
}

.screenshot-item:hover .screenshot {
    transform: scale(1.05);
}

.screenshot-description {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.6) 50%, transparent 100%);
    color: white;
    padding: 2rem 1rem 0.75rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.screenshot-item:hover .screenshot-description {
    opacity: 1;
    transform: translateY(0);
}

.screenshot-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.screenshot-desc {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.4;
}

/* Image Modal */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    cursor: zoom-out;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.image-modal.show {
    display: flex;
}

.modal-content {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    animation: modalZoom 0.3s ease;
}

@keyframes modalZoom {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10000;
}

.modal-close:hover {
    color: var(--primary-light);
}

/* About Section */
.about {
    padding: 6rem 0;
    background-color: white;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.about-card {
    padding: 2rem;
    background-color: var(--bg-light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

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

.about-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.about-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* Projects Section */
.projects {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: #f1f5f9;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Video Thumbnail with Play Button */
.video-thumbnail {
    position: relative;
    width: 100%;
    height: 100%;
    cursor: pointer;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    padding: 0;
    transition: transform 0.3s ease;
}

.video-thumbnail:hover img {
    transform: scale(1.05);
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.video-thumbnail:hover .play-icon {
    background-color: rgba(255, 59, 48, 0.9);
    transform: translate(-50%, -50%) scale(1.1);
}

.play-icon::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 30px solid white;
    border-top: 18px solid transparent;
    border-bottom: 18px solid transparent;
    margin-left: 8px;
}

.project-placeholder {
    font-size: 4rem;
    opacity: 0.5;
}

.project-content {
    padding: 1.5rem;
    flex: 1;
}

.project-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--primary-light);
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    margin-right: 0.5rem;
}

.teamproject-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: #2225c5;
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    margin-right: 0.5rem;
}

.engine-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.engine-tag.unity {
    background-color: #22c55e;
    color: white;
}

.engine-tag.unreal {
    background-color: #ef4444;
    color: white;
}

.engine-tag.custom {
    background-color: #10b981;
    color: white;
}

.engine-tag.directx {
    background-color: #8b5cf6;
    color: white;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.project-description {
    color: var(--text-gray);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tech span {
    padding: 0.25rem 0.75rem;
    background-color: var(--bg-light);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-gray);
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.project-link {
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.project-link:not(.demo) {
    background-color: var(--primary-color);
    color: white;
}

.project-link:not(.demo):hover {
    background-color: var(--primary-dark);
}

.project-link.demo {
    background-color: var(--bg-light);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.project-link.demo:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Skills Section */
.skills {
    padding: 6rem 0;
    background-color: white;
}

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

.skill-category {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
}

.skill-category-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-color);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

.skill-name {
    font-weight: 600;
    color: var(--text-dark);
}

.skill-level {
    font-size: 0.875rem;
    color: var(--text-light);
}

.skill-bar {
    height: 8px;
    background-color: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 4px;
    transition: width 1s ease;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    padding: 0.5rem 1rem;
    background-color: white;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Education Section */
.education {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.education-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.education-item {
    display: flex;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.education-item:last-child {
    border-bottom: none;
}

.education-date {
    flex-shrink: 0;
    width: 150px;
    padding-top: 0.25rem;
    font-weight: 600;
    color: var(--primary-color);
}

.education-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.education-content > p {
    color: var(--text-gray);
}

.education-detail {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.contact .section-title {
    color: white;
}

.contact-description {
    text-align: center;
    font-size: 1.125rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
}

.contact-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.contact-icon {
    font-size: 1.5rem;
}

/* Footer */
.footer {
    padding: 2rem 0;
    background-color: var(--bg-dark);
    color: var(--text-light);
    text-align: center;
    font-size: 0.875rem;
}

.footer p {
    opacity: 0.7;
}

/* Image Container & Gallery (상세 페이지용) */
.image-container {
    margin: 1.5rem 0;
    text-align: center;
}

.image-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.image-gallery img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .code-block {
        max-width: 500px;
        margin: 0 auto;
    }

    .education-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .education-date {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: white;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    /* Mobile Dropdown Styles */
    .nav-item {
        width: 100%;
        text-align: center;
    }

    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 0;
        visibility: hidden;
        box-shadow: none;
        background: var(--bg-light);
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
    }

    .nav-item.dropdown.active .dropdown-menu {
        opacity: 1;
        visibility: visible;
        max-height: 300px;
    }

    .dropdown-item {
        padding: 0.75rem 2rem;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .contact-links {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

/* Technical Document Page */
.tech-doc {
    padding: 6rem 0 4rem;
    background-color: var(--bg-light);
    min-height: 100vh;
}

.doc-nav {
    margin-bottom: 3rem;
}

.doc-nav a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.doc-header {
    background-color: white;
    padding: 3rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.doc-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.doc-meta {
    display: flex;
    gap: 2rem;
    color: var(--text-gray);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.doc-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.doc-content {
    background-color: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    line-height: 1.8;
}

.doc-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
    color: var(--text-dark);
}

.doc-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.doc-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.doc-content p {
    color: var(--text-gray);
    margin-bottom: 1rem;
}

.doc-content ul, .doc-content ol {
    margin: 1rem 0 1.5rem 2rem;
    color: var(--text-gray);
}

.doc-content li {
    margin-bottom: 0.5rem;
}

.doc-content code {
    background-color: #f1f5f9;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.875rem;
    color: #dc2626;
}

.doc-content pre {
    background-color: #1e293b;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    overflow-x: auto;
}

.doc-content pre code {
    background-color: transparent;
    padding: 0;
    color: #e2e8f0;
    font-size: 0.85rem;
    line-height: 1.7;
    text-shadow: none;
}

.doc-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.doc-content th,
.doc-content td {
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    text-align: left;
}

.doc-content th {
    background-color: #f1f5f9;
    font-weight: 600;
    color: var(--text-dark);
}

.doc-content td {
    color: var(--text-gray);
}

.doc-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-gray);
    font-style: italic;
}

.doc-section {
    margin-bottom: 3rem;
}

.problem-box {
    background-color: #fef2f2;
    border-left: 4px solid #ef4444;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

.problem-box h4 {
    color: #dc2626;
    margin-top: 0;
}

.solution-box {
    background-color: #f0fdf4;
    border-left: 4px solid #22c55e;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

.solution-box h4 {
    color: #16a34a;
    margin-top: 0;
}

.result-box {
    background-color: #eff6ff;
    border-left: 4px solid #3b82f6;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

.result-box h4 {
    color: #2563eb;
    margin-top: 0;
}

@media (max-width: 768px) {
    .doc-content {
        padding: 2rem 1.5rem;
    }

    .doc-header {
        padding: 2rem 1.5rem;
    }

    .doc-title {
        font-size: 1.75rem;
    }

    .doc-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
}