@charset "UTF-8";
/**
 * 뉴토끼 가이드 스타일시트
 * 블루 테마 디자인
 */

/* ========================================
   CSS 변수
   ======================================== */
:root {
    /* 블루 테마 색상 */
    --nt-bg-dark: #1a1a1a;
    --nt-bg-card: #242424;
    --nt-bg-card-hover: #2a2a2a;
    --nt-primary: #017DFF;
    --nt-primary-light: #3b9eff;
    --nt-accent: #f59e0b;
    --nt-accent-hover: #d97706;
    --nt-success: #22c55e;
    --nt-text: #f5f5f5;
    --nt-text-muted: #9ca3af;
    --nt-border: #333333;

    /* 타이포그래피 */
    --nt-font: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;

    /* 간격 */
    --nt-space-sm: 0.5rem;
    --nt-space-md: 1rem;
    --nt-space-lg: 1.5rem;
    --nt-space-xl: 2rem;
    --nt-space-2xl: 3rem;
    --nt-space-3xl: 4rem;

    /* 테두리 */
    --nt-radius: 4px;
    --nt-radius-lg: 6px;
    --nt-radius-xl: 8px;

    /* 컨테이너 */
    --nt-max-width: 900px;
}

/* ========================================
   리셋 & 기본
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--nt-font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--nt-text);
    background-color: var(--nt-bg-dark);
    min-height: 100vh;
}

a {
    color: var(--nt-primary-light);
    text-decoration: none;
    transition: color 0.2s;
}

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

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

ul, ol {
    list-style: none;
}

/* ========================================
   컨테이너
   ======================================== */
.nt-container {
    width: 100%;
    max-width: var(--nt-max-width);
    margin: 0 auto;
    padding: 0 var(--nt-space-md);
}

/* ========================================
   헤더
   ======================================== */
.nt-header {
    background: #000000;
    border-bottom: 1px solid var(--nt-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.nt-header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--nt-space-md) 0;
}

.nt-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--nt-text);
}

.nt-logo:hover {
    color: var(--nt-primary-light);
}

.nt-logo__img {
    height: 36px;
}

/* 네비게이션 */
.nt-nav__list {
    display: flex;
    gap: var(--nt-space-sm);
}

.nt-nav__link {
    padding: 0.5rem 1rem;
    color: var(--nt-text-muted);
    border-radius: var(--nt-radius);
    transition: all 0.2s;
}

.nt-nav__link:hover {
    color: var(--nt-text);
    background: var(--nt-bg-card);
}

.nt-nav__link--highlight {
    background: var(--nt-primary);
    color: white !important;
}

.nt-nav__link--highlight:hover {
    background: var(--nt-primary-light);
}

/* 모바일 메뉴 */
.nt-menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.nt-menu-toggle__bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--nt-text);
    margin: 5px 0;
    transition: 0.3s;
}

/* ========================================
   히어로 섹션
   ======================================== */
.nt-hero {
    text-align: center;
    padding: var(--nt-space-3xl) 0;
    background: linear-gradient(135deg, #017DFF 0%, #0057b3 100%);
    color: #ffffff;
}

/* 히어로 배너 이미지 */
/* 배너 이미지 (히어로 아래) */
.nt-banner-wrap {
    padding: var(--nt-space-xl) 0 0;
}

.nt-banner-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--nt-radius-xl);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.nt-hero__badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    margin-bottom: var(--nt-space-lg);
    border: 1px solid rgba(255,255,255,0.3);
}

.nt-hero__title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--nt-space-md);
    line-height: 1.2;
    color: #ffffff;
}

.nt-hero__title span {
    color: #fbbf24;
}

.nt-hero__desc {
    color: rgba(255,255,255,0.9);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto var(--nt-space-xl);
}

/* ========================================
   CTA 버튼
   ======================================== */
.nt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--nt-radius-lg);
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.nt-btn--primary {
    background: var(--nt-accent);
    color: #000000;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.nt-btn--primary:hover {
    background: var(--nt-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
    color: #000000;
}

.nt-btn--secondary {
    background: var(--nt-bg-card);
    color: var(--nt-text);
    border: 1px solid var(--nt-border);
}

.nt-btn--secondary:hover {
    background: var(--nt-bg-card-hover);
    border-color: var(--nt-primary);
    color: var(--nt-text);
}

.nt-btn--large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.nt-btn--exit {
    background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
    color: #000;
    font-size: 1.25rem;
    padding: 1.25rem 3rem;
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.4);
}

.nt-btn--exit:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(245, 158, 11, 0.5);
    color: #000;
}

.nt-btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--nt-space-md);
    justify-content: center;
}

/* ========================================
   섹션
   ======================================== */
.nt-section {
    padding: var(--nt-space-lg) 0;
}

.nt-section__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--nt-space-lg);
    text-align: center;
    color: var(--nt-primary-light);
}

/* ========================================
   체크리스트
   ======================================== */
.nt-checklist {
    background: var(--nt-bg-card);
    border: 1px solid var(--nt-border);
    border-radius: var(--nt-radius-xl);
    padding: var(--nt-space-xl);
}

.nt-checklist__item {
    display: flex;
    gap: var(--nt-space-md);
    padding: var(--nt-space-md) 0;
    border-bottom: 1px solid var(--nt-border);
}

.nt-checklist__item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.nt-checklist__item:first-child {
    padding-top: 0;
}

.nt-checklist__icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.nt-checklist__title {
    font-weight: 600;
    color: var(--nt-text);
    margin-bottom: 0.25rem;
}

.nt-checklist__desc {
    color: var(--nt-text-muted);
    font-size: 0.9rem;
}

/* ========================================
   FAQ 아코디언
   ======================================== */
.nt-faq {
    margin-top: var(--nt-space-xl);
}

.nt-faq__item {
    background: var(--nt-bg-card);
    border: 1px solid var(--nt-border);
    border-radius: var(--nt-radius-lg);
    margin-bottom: var(--nt-space-md);
    overflow: hidden;
}

.nt-faq__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--nt-space-lg);
    background: none;
    border: none;
    color: var(--nt-text);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: background 0.2s;
}

.nt-faq__question:hover {
    background: var(--nt-bg-card-hover);
}

.nt-faq__question span:first-child::before {
    content: "Q. ";
    color: var(--nt-primary);
}

.nt-faq__icon {
    color: var(--nt-text-muted);
    transition: transform 0.3s;
}

.nt-faq__item.active .nt-faq__icon {
    transform: rotate(180deg);
}

.nt-faq__answer {
    display: none;
    padding: 0 var(--nt-space-lg) var(--nt-space-lg);
    color: var(--nt-text-muted);
    line-height: 1.8;
}

.nt-faq__answer::before {
    content: "A. ";
    color: var(--nt-accent);
    font-weight: 600;
}

.nt-faq__item.active .nt-faq__answer {
    display: block;
}

/* ========================================
   테이블
   ======================================== */
.nt-table-wrap {
    overflow-x: auto;
    margin-top: var(--nt-space-lg);
}

.nt-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--nt-bg-card);
    border: 2px solid var(--nt-primary);
    font-size: 0.875rem;
}

.nt-table th,
.nt-table td {
    padding: 12px 14px;
    border: 1px solid var(--nt-border);
    text-align: left;
    vertical-align: top;
    line-height: 1.6;
}

.nt-table th {
    background: var(--nt-primary);
    color: #fff;
    font-weight: 600;
    text-align: center;
}

.nt-table td:first-child {
    background: #0f1f3a;
    font-weight: 600;
    color: var(--nt-primary-light);
    white-space: nowrap;
}

.nt-table tr:nth-child(even) td:not(:first-child) {
    background: #1f1f1f;
}


/* ========================================
   콘텐츠 박스
   ======================================== */
.nt-content {
    background: var(--nt-bg-card);
    border: 1px solid var(--nt-border);
    border-radius: var(--nt-radius-xl);
    padding: var(--nt-space-xl);
    margin: var(--nt-space-xl) 0;
}

.nt-content h2 {
    font-size: 1.25rem;
    color: var(--nt-primary-light);
    margin-bottom: var(--nt-space-md);
    padding-bottom: var(--nt-space-sm);
    border-bottom: 1px solid var(--nt-border);
}

.nt-content h3 {
    font-size: 1.1rem;
    margin-top: var(--nt-space-lg);
    margin-bottom: var(--nt-space-sm);
    color: var(--nt-text);
}

.nt-content p {
    color: var(--nt-text-muted);
    margin-bottom: var(--nt-space-md);
}

.nt-content ul, .nt-content ol {
    margin: var(--nt-space-md) 0;
    padding-left: var(--nt-space-lg);
}

.nt-content li {
    color: var(--nt-text-muted);
    margin-bottom: 0.5rem;
    position: relative;
}

.nt-content ul li::before {
    content: "•";
    color: var(--nt-primary);
    position: absolute;
    left: -1rem;
}

.nt-content ol {
    counter-reset: item;
}

.nt-content ol li {
    counter-increment: item;
}

.nt-content ol li::before {
    content: counter(item) ".";
    color: var(--nt-primary);
    position: absolute;
    left: -1.5rem;
    font-weight: 600;
}

/* ========================================
   CTA 박스
   ======================================== */
.nt-cta-box {
    background: linear-gradient(135deg, #017DFF 0%, #0057b3 100%);
    border: none;
    border-radius: var(--nt-radius-xl);
    padding: var(--nt-space-2xl);
    text-align: center;
    margin: var(--nt-space-xl) 0;
    color: #ffffff;
}

.nt-cta-box__title {
    font-size: 1.5rem;
    margin-bottom: var(--nt-space-md);
    color: #ffffff;
}

.nt-cta-box__desc {
    color: rgba(255,255,255,0.85);
    margin-bottom: var(--nt-space-lg);
}

.nt-cta-box__url {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    margin-top: var(--nt-space-md);
}


/* ========================================
   브레드크럼
   ======================================== */
.nt-breadcrumb {
    padding: var(--nt-space-md) 0;
}

.nt-breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--nt-text-muted);
}

.nt-breadcrumb__item a {
    color: var(--nt-text-muted);
}

.nt-breadcrumb__item a:hover {
    color: var(--nt-primary-light);
}

.nt-breadcrumb__item::after {
    content: "›";
    margin-left: 0.5rem;
}

.nt-breadcrumb__item:last-child::after {
    display: none;
}

.nt-breadcrumb__item--active {
    color: var(--nt-text-muted);
}

/* ========================================
   페이지 헤더
   ======================================== */
.nt-page-header {
    text-align: center;
    padding: var(--nt-space-lg) 0;
    border-bottom: 1px solid var(--nt-border);
    margin-bottom: var(--nt-space-md);
}

.nt-page-header__title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    margin-bottom: var(--nt-space-sm);
    color: var(--nt-text);
}

.nt-page-header__desc {
    color: var(--nt-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   푸터
   ======================================== */
.nt-footer {
    background: #000000;
    border-top: 1px solid var(--nt-border);
    padding: var(--nt-space-2xl) 0;
    margin-top: var(--nt-space-3xl);
    text-align: center;
}

.nt-footer__logo {
    margin-bottom: var(--nt-space-md);
}

.nt-footer__logo img {
    height: 30px;
    opacity: 0.7;
}

.nt-footer__links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--nt-space-md);
    margin-bottom: var(--nt-space-lg);
}

.nt-footer__links a {
    color: var(--nt-text-muted);
    font-size: 0.9rem;
}

.nt-footer__links a:hover {
    color: var(--nt-text);
}

.nt-footer__copyright {
    color: var(--nt-text-muted);
    font-size: 0.8rem;
}

.nt-footer__disclaimer {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-top: 0.5rem;
}

/* ========================================
   내부 링크
   ======================================== */
.nt-link {
    color: var(--nt-primary-light);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.nt-link:hover {
    color: var(--nt-accent);
}

/* ========================================
   반응형
   ======================================== */
@media (max-width: 768px) {
    .nt-menu-toggle {
        display: block;
    }

    .nt-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #000000;
        border-bottom: 1px solid var(--nt-border);
        padding: var(--nt-space-md);
    }

    .nt-nav.active {
        display: block;
    }

    .nt-nav__list {
        flex-direction: column;
    }

    .nt-nav__link {
        display: block;
        text-align: center;
        padding: var(--nt-space-md);
    }

    .nt-hero {
        padding: var(--nt-space-2xl) 0;
    }

    .nt-btn-group {
        flex-direction: column;
        align-items: center;
    }

    .nt-btn--large {
        width: 100%;
    }

    .nt-checklist {
        padding: var(--nt-space-lg);
    }

    .nt-content {
        padding: var(--nt-space-lg);
    }

    .nt-cta-box {
        padding: var(--nt-space-xl);
    }

    .nt-alt-sites {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .nt-alt-sites {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   접속 상태 뱃지
   ======================================== */
.status-ok {
    color: var(--nt-success);
    font-weight: 600;
}

.status-blocked {
    color: var(--nt-primary-light);
    font-weight: 600;
}

.status-note {
    color: var(--nt-text-muted);
    font-size: 0.85rem;
    margin-top: var(--nt-space-md);
}

/* ========================================
   유틸리티
   ======================================== */
.text-center { text-align: center; }
.mt-lg { margin-top: var(--nt-space-lg); }
.mt-xl { margin-top: var(--nt-space-xl); }
.mb-lg { margin-bottom: var(--nt-space-lg); }
.mb-xl { margin-bottom: var(--nt-space-xl); }

/* ========================================
   블로그 — 목록 그리드 (카드형)
   ======================================== */
.nt-blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.nt-blog-card {
    background: var(--nt-bg-card);
    border: 1px solid var(--nt-border);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.nt-blog-card:hover {
    transform: translateY(-4px);
    border-color: #444;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

/* 카드 상단 커버 배너 */
.nt-blog-card__cover {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 7;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    background: #1e1e1e;
}

.nt-blog-card__cover img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.nt-blog-card:hover .nt-blog-card__cover img {
    transform: scale(1.04);
}

/* 이미지 위 어두운 오버레이 */
.nt-blog-card__cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.22);
    transition: background 0.25s;
    z-index: 1;
}

.nt-blog-card:hover .nt-blog-card__cover::after {
    background: rgba(0,0,0,0.08);
}

/* 카드 바디 */
.nt-blog-card__body {
    padding: 1.25rem 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.65rem;
}

/* 태그 */
.nt-blog-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.nt-blog-tag {
    display: inline-block;
    padding: 2px 10px;
    background: rgba(1, 125, 255, 0.12);
    color: #6bb5ff;
    border: 1px solid rgba(1, 125, 255, 0.3);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

/* 카드 제목 */
.nt-blog-card__title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.45;
    margin: 0;
}

.nt-blog-card__title a {
    color: var(--nt-text);
    text-decoration: none;
    transition: color 0.2s;
}

.nt-blog-card__title a:hover {
    color: var(--nt-primary-light);
}

/* 카드 설명 */
.nt-blog-card__desc {
    font-size: 0.875rem;
    color: var(--nt-text-muted);
    line-height: 1.65;
    flex: 1;
}

/* 카드 날짜 */
.nt-blog-card__date {
    font-size: 0.78rem;
    color: var(--nt-text-muted);
    display: block;
}

/* 카드 하단 링크 */
.nt-blog-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.25rem;
    padding: 0.45rem 1rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--nt-text);
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--nt-border);
    border-radius: 999px;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
    align-self: flex-start;
}

.nt-blog-card__link:hover {
    background: var(--nt-primary);
    border-color: var(--nt-primary);
    color: #fff;
}

/* ========================================
   블로그 — 글 본문 (Article)
   ======================================== */
.nt-article {
    max-width: 760px;
    margin: 0 auto;
}

.nt-article__header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--nt-border);
}

.nt-article__header h1 {
    font-size: clamp(1.5rem, 3.5vw, 2.1rem);
    line-height: 1.3;
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
    color: var(--nt-text);
}

.nt-article__meta {
    font-size: 0.875rem;
    color: var(--nt-text-muted);
    margin-top: 0.5rem;
}

/* 글 본문 공통 타이포그래피 */
.nt-article h2 {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    margin-top: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--nt-text);
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--nt-primary);
    display: inline-block;
}

.nt-article h3 {
    font-size: 1.05rem;
    margin-top: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--nt-text);
}

.nt-article p {
    margin-bottom: 1rem;
    color: #d1d5db;
    line-height: 1.8;
}

.nt-article ul,
.nt-article ol {
    margin: 0.5rem 0 1rem 0;
    padding-left: 1.5rem;
    color: #d1d5db;
    line-height: 1.8;
}

.nt-article ul {
    list-style: disc;
}

.nt-article ol {
    list-style: decimal;
}

.nt-article ul li,
.nt-article ol li {
    list-style: revert;
    padding-left: 0.25rem;
    margin-bottom: 0.4rem;
}

.nt-article li {
    margin-bottom: 0.4rem;
}

/* details/summary 스타일 */
.nt-article details {
    background: var(--nt-bg-card);
    border: 1px solid var(--nt-border);
    border-radius: var(--nt-radius-lg);
    padding: 0;
    margin-bottom: 0.75rem;
}

.nt-article details[open] {
    border-color: rgba(1, 125, 255, 0.4);
}

.nt-article summary {
    padding: 1rem 1.25rem;
    font-weight: 600;
    color: var(--nt-text);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    user-select: none;
}

.nt-article summary::before {
    content: "Q.";
    color: var(--nt-primary);
    font-weight: 700;
    flex-shrink: 0;
}

.nt-article summary::-webkit-details-marker {
    display: none;
}

.nt-article details > p {
    padding: 0 1.25rem 1rem;
    margin: 0;
    color: var(--nt-text-muted);
    border-top: 1px solid var(--nt-border);
    padding-top: 0.75rem;
}

.nt-article details > p::before {
    content: "A. ";
    color: var(--nt-accent);
    font-weight: 600;
}

.nt-article hr {
    border: none;
    border-top: 1px solid var(--nt-border);
    margin: 2.5rem 0;
}

.nt-article strong {
    color: var(--nt-text);
}

.nt-article code {
    background: #2d2d2d;
    color: #6bb5ff;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.88em;
    font-family: 'Courier New', monospace;
}

.nt-article kbd {
    background: #333;
    color: var(--nt-text);
    padding: 2px 7px;
    border-radius: 4px;
    border: 1px solid #555;
    font-size: 0.85em;
    font-family: 'Courier New', monospace;
}

/* 글 본문 — 대표 이미지 */
.nt-article__figure {
    margin: 0 0 2.5rem;
    border-radius: 10px;
    overflow: hidden;
}

.nt-article__featured-img {
    width: 100%;
    display: block;
    max-height: 420px;
    object-fit: cover;
    border-radius: 10px;
}

/* 모바일 */
@media (max-width: 768px) {
    .nt-blog-grid {
        grid-template-columns: 1fr;
    }

    .nt-article__header h1 {
        font-size: 1.35rem;
    }

    .nt-article__featured-img {
        max-height: 220px;
    }
}