/* 1. 기본 스타일 및 리셋 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
        Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    color: #333;
    background-color: #fefefe;
}

html.is-embed body {
    display: block;
    min-height: auto;
}

body.nav-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 2. 헤더 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    width: 100%;
    background-color: #fefefe;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo a {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
}

.logo-mark {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header nav {
    position: relative;
}

.nav-menu {
    list-style: none;
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
}

.nav-menu li a {
    transition: color 0.2s ease;
}

.nav-menu li a:hover,
.nav-menu li a:focus-visible {
    color: #111;
}

.nav-menu li a.is-active {
    color: #000;
    font-weight: 600;
}

.nav-menu .nav-link--disabled,
.nav-menu a[aria-disabled="true"] {
    color: #b7b7b7;
    cursor: not-allowed;
    pointer-events: none;
    font-weight: 500;
    opacity: 0.7;
}

/* 3. 메인 히어로 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    gap: 1rem;
}

.main-content h1 {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.main-content .tagline {
    font-size: 1.1rem;
    font-style: italic;
    color: #777;
    margin-bottom: 2.5rem;
}

.main-content .status {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.8rem 1.65rem 0.8rem 1.35rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #3a6efa 0%, #5fd1ff 55%, #4be29a 100%);
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    box-shadow: 0 12px 28px rgba(62, 142, 255, 0.28);
    overflow: hidden;
}

.main-content .status::before {
    content: "";
    position: absolute;
    inset: -24%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.35) 0%, rgba(255, 255, 255, 0) 70%);
    opacity: 0;
    animation: statusGlow 3.5s ease-in-out infinite;
}

.status-text {
    position: relative;
    z-index: 1;
}

.status-dot {
    position: relative;
    z-index: 1;
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.85);
    opacity: 0.35;
    animation: statusDot 1.4s ease-in-out infinite;
    flex-shrink: 0;
}

.status-dot:nth-of-type(2) {
    animation-delay: 0.2s;
}

.status-dot:nth-of-type(3) {
    animation-delay: 0.4s;
}

.status-dot:nth-of-type(4) {
    animation-delay: 0.6s;
}

@keyframes statusGlow {
    0%,
    100% {
        transform: scale(0.85);
        opacity: 0;
    }
    45% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

@keyframes statusDot {
    0%,
    80%,
    100% {
        transform: translateY(0);
        opacity: 0.25;
    }
    40% {
        transform: translateY(-0.2rem);
        opacity: 1;
    }
}

/* 4. 푸터 */
.footer {
    background: linear-gradient(180deg, #111, #181818);
    color: #f4f4f4;
}

.footer a {
    color: #f4f4f4;
    transition: color 0.2s ease;
}

.footer a:hover,
.footer a:focus-visible {
    color: #ffffff;
}

.footer #footer-common {
    width: min(1080px, 100%);
    margin: 0 auto;
    padding: 2rem 2rem 1.75rem;
}

.footer .footer-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    font-size: 0.85rem;
}

.footer .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.1rem;
    font-size: 0.82rem;
    color: #cfcfcf;
    display: grid;
    gap: 0.3rem;
}

.footer .footer-bottom p {
    margin: 0;
}

.footer .footer-email {
    font-weight: 600;
    color: #ffffff;
}

.footer .footer-bottom p:first-child {
    margin-top: 0;
}

/* 5. 정책 페이지 공통 */
.policy-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #ffffff;
}

.policy-hero {
    padding: 4rem 2rem 3rem;
    text-align: center;
    background: linear-gradient(180deg, rgba(57, 123, 255, 0.12), rgba(255, 255, 255, 0));
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.policy-hero h1 {
    font-size: 2.2rem;
    margin-bottom: 0.75rem;
}

.policy-hero p {
    color: #666;
    font-size: 1rem;
}

.policy-content,
.article-content {
    max-width: 880px;
    margin: 0 auto;
    padding: 2.5rem 2rem 4rem;
    line-height: 1.7;
    color: #343434;
}

.policy-content h2,
.policy-content h3,
.policy-content h4,
.article-content h2,
.article-content h3,
.article-content h4 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: #1c1c1c;
}

.policy-content h2,
.article-content h2 {
    font-size: 1.6rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
}

.policy-content h3,
.article-content h3 {
    font-size: 1.3rem;
}

.policy-content table,
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.95rem;
}

.policy-content table th,
.policy-content table td,
.article-content table th,
.article-content table td {
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 0.85rem 1rem;
    text-align: left;
}

.policy-content table th,
.article-content table th {
    background-color: rgba(57, 123, 255, 0.08);
    font-weight: 600;
}

.policy-content ul,
.article-content ul,
.article-content ol {
    padding-left: 1.25rem;
    margin: 1rem 0;
}

.policy-content li,
.article-content li {
    margin: 0.35rem 0;
}

.policy-content strong,
.article-content strong {
    font-weight: 600;
    color: #252525;
}

.policy-content em,
.article-content em {
    font-style: italic;
}

.policy-content a,
.article-content a {
    color: #2563eb;
    text-decoration: underline;
}

.policy-meta {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    color: #777;
    font-size: 0.92rem;
}

html.is-embed .header,
html.is-embed .footer {
    display: none;
}

html.is-embed .policy-main,
html.is-embed .main-content {
    margin: 0 auto;
}

/* 7. 블로그 및 아티클 스타일 */
.blog-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #fff;
}

.blog-hero {
    padding: 3.5rem 2rem;
    text-align: center;
    background-color: #f9f9f9;
    border-bottom: 1px solid #eee;
}

.blog-hero h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.blog-hero p {
    color: #666;
}

.blog-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 2rem;
    width: 100%;
}

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

.blog-item {
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid #f0f0f0;
}

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

.blog-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.blog-link:hover .blog-title {
    color: #2563eb;
}

.blog-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: #111;
    transition: color 0.2s;
}

.blog-summary {
    color: #555;
    line-height: 1.6;
    margin-bottom: 0.8rem;
    font-size: 1rem;
}

.blog-date {
    display: block;
    color: #888;
    font-size: 0.9rem;
}

.pagination {
    margin-top: 2rem;
    text-align: center;
}

.btn-load-more,
.btn-back {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #333;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.btn-load-more:hover,
.btn-back:hover {
    background-color: #f5f5f5;
    border-color: #ccc;
    text-decoration: none;
}

.article-main {
    flex: 1;
    background-color: #fff;
}

.article-container {
    max-width: 880px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: 2rem;
    text-align: center;
}

.article-footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid #eee;
    margin-top: 2rem;
    max-width: 880px;
    margin-left: auto;
    margin-right: auto;
}

/* 마크다운 컨텐츠 추가 스타일 */
.article-content p {
    margin-bottom: 1.2rem;
}

.article-content blockquote {
    border-left: 4px solid #ddd;
    padding-left: 1rem;
    margin: 1.5rem 0;
    color: #555;
    font-style: italic;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
}

.article-content code {
    background-color: #f1f1f1;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: monospace;
    font-size: 0.9em;
}

.article-content pre {
    background-color: #f6f8fa;
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.article-content pre code {
    background-color: transparent;
    padding: 0;
}

/* h1 태그 스타일 (가장 큰 제목) */
.article-content h1 {
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

/* h2, h3 태그 스타일 */
.article-content h2 {
    margin-top: 3rem; /* 위쪽 여백 추가 */
}

/* 6. 반응형 */
@media (max-width: 768px) {
    .header {
        padding: 1.15rem 1.5rem;
    }

    .nav-toggle {
        display: block;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background-color: #ffffff;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 5rem;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        gap: 0;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu li a {
        display: block;
        padding: 1.25rem 2rem;
        font-size: 1.1rem;
        color: #333;
    }

    .nav-menu .nav-link--disabled,
    .nav-menu a[aria-disabled="true"] {
        color: #bcbcbc;
    }

    .nav-menu li a.is-active {
        color: #2563eb;
    }

    .main-content h1 {
        font-size: 1.9rem;
    }

    .main-content .tagline {
        font-size: 1rem;
    }

    .main-content .status {
        font-size: 0.88rem;
        padding: 0.7rem 1.35rem 0.7rem 1.15rem;
        gap: 0.4rem;
    }

    .status-dot {
        width: 0.36rem;
        height: 0.36rem;
    }

    .footer #footer-common {
        padding: 1.8rem 1.65rem 1.6rem;
    }

    .policy-hero {
        padding: 3.5rem 1.5rem 2.5rem;
    }

    .policy-hero h1 {
        font-size: 1.8rem;
    }

    .policy-content,
    .article-content,
    .blog-content {
        padding: 2rem 1.5rem 3.5rem;
    }

    .blog-title {
        font-size: 1.3rem;
    }
}

@media (min-width: 769px) {
    .nav-menu {
        display: flex;
        gap: 0.25rem;
    }

    .nav-menu li a {
        padding: 0.5rem 1rem;
        margin-left: 0.5rem;
        font-size: 0.95rem;
        color: #555;
    }

    .nav-menu .nav-link--disabled,
    .nav-menu a[aria-disabled="true"] {
        color: #c2c2c2;
    }

    .nav-menu li:first-child a {
        margin-left: 0;
    }

    .nav-menu li a.is-active {
        color: #111;
    }

    .main-content h1 {
        font-size: 2.75rem;
    }

    .main-content .tagline {
        font-size: 1.25rem;
    }

    .main-content .status {
        font-size: 1.05rem;
        padding: 0.9rem 1.85rem 0.9rem 1.55rem;
        gap: 0.5rem;
    }

    .status-dot {
        width: 0.46rem;
        height: 0.46rem;
    }

    .footer #footer-common {
        padding: 2.5rem 2rem 2.1rem;
    }
}