/*
Theme Name: 일사천리시스템
Theme URI: http://1472s.test
Author: 일사천리시스템
Author URI: http://1472s.test
Description: 사무실 이사 전문업체 일사천리시스템 공식 WordPress 테마. SEO 최적화 및 견적 문의 기능 포함.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 8.3
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ilsacheonri
Tags: blog, seo, business
*/

/* ===========================
   CSS Reset & Base
   =========================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #1a4fa0;
    --color-primary-dark: #143d7c;
    --color-accent: #f5a623;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-border: #e0e0e0;

    --font-base: 'Noto Sans KR', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.7;

    --container-max: 1200px;
    --container-padding: 0 20px;

    --transition: 0.3s ease;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

/* ===========================
   Layout
   =========================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--container-padding);
}

.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    flex: 1;
    padding: 60px 0;
}

/* 홈페이지 히어로 위 공백 제거 */
.home .site-main {
    padding-top: 0;
}

/* 히어로 다음 컨테이너 상단 여백 */
.hero + .container {
    padding-top: 64px;
}

/* ===========================
   Header
   =========================== */
.site-header {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

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

.site-logo:hover {
    color: var(--color-primary-dark);
}

/* 커스텀 로고 이미지 크기 */
.custom-logo-link {
    display: flex;
    align-items: center;
}

.custom-logo-link img.custom-logo {
    height: 44px;
    width: auto;
    max-width: 200px;
}

/* 헤더 우측 액션 영역 */
.site-header__actions {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-left: auto;
}

.site-header__tel {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
    letter-spacing: -0.3px;
}

.site-header__tel:hover {
    color: var(--color-primary-dark);
}

.site-header__cta {
    white-space: nowrap;
    font-size: 0.9rem;
    padding: 10px 22px;
}

/* ===========================
   햄버거 토글 버튼 (기본: 숨김)
   =========================== */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background var(--transition);
    /* OWASP A07: 포커스 시각적 표시 유지 */
    outline-offset: 2px;
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--color-primary);
}

.nav-toggle:hover {
    background-color: var(--color-bg-light);
}

.nav-toggle__bar {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* 열렸을 때 X 아이콘으로 변환 */
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===========================
   Navigation
   =========================== */
.site-nav {
    margin-left: 48px;
    flex: 1;
}

.site-nav__list {
    display: flex;
    list-style: none;
    gap: 32px;
}

.site-nav__list a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition);
}

.site-nav__list a:hover {
    color: var(--color-primary);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
    min-height: 480px;
    display: flex;
    align-items: center;
}

.hero__content {
    max-width: 680px;
    margin: 0 auto;
}

.hero__label {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    opacity: 0.8;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.hero__title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 20px;
}

.hero__subtitle {
    font-size: 1.15rem;
    opacity: 0.85;
    line-height: 1.7;
    margin-bottom: 40px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn--primary:hover {
    background-color: #e0951f;
    color: #fff;
}

.btn--outline {
    background-color: transparent;
    border: 2px solid #fff;
    color: #fff;
    margin-left: 12px;
}

.btn--outline:hover {
    background-color: rgba(255,255,255,0.15);
    color: #fff;
}

/* ===========================
   Posts / Cards
   =========================== */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.post-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
}

.post-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}

.post-card__thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.post-card__body {
    padding: 24px;
}

.post-card__category {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.post-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
    color: var(--color-text);
}

.post-card__excerpt {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.post-card__meta {
    padding: 16px 24px;
    border-top: 1px solid var(--color-border);
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* ===========================
   Footer
   =========================== */
.site-footer {
    background-color: #1a1a2e;
    color: rgba(255,255,255,0.7);
    padding: 48px 0 24px;
}

.site-footer__inner {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-widget__title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.footer-widget p,
.footer-widget address {
    font-size: 0.875rem;
    line-height: 1.8;
    font-style: normal;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
}

.footer-contact__item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.65);
    transition: color var(--transition);
}

.footer-contact__item:hover {
    color: #fff;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links__item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.65);
    transition: color var(--transition);
}

.footer-links__item:hover {
    color: #fff;
}

.site-footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 0.8rem;
}

/* ===========================
   Archive Page
   =========================== */
.archive-header {
    padding: 48px 0 40px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 48px;
}

.archive-header__type {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: rgba(26, 79, 160, 0.08);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.archive-header__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.archive-header__desc {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.archive-empty {
    text-align: center;
    padding: 80px 0;
    color: var(--color-text-light);
}

.archive-empty p {
    margin-bottom: 24px;
    font-size: 1.1rem;
}

.pagination {
    margin-top: 48px;
    text-align: center;
}

/* ===========================
   Search No Results
   =========================== */
.search-no-results {
    text-align: center;
    padding: 60px 0 80px;
}

.search-no-results__msg {
    font-size: 1.15rem;
    color: var(--color-text);
    margin-bottom: 32px;
}

.search-no-results__form {
    max-width: 480px;
    margin: 0 auto 40px;
}

.search-no-results__form p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

/* WordPress 기본 검색 폼 스타일 */
.search-form {
    display: flex;
    gap: 8px;
}

.search-form .search-field {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.95rem;
    font-family: var(--font-base);
    outline: none;
    transition: border-color var(--transition);
}

.search-form .search-field:focus {
    border-color: var(--color-primary);
}

.search-form .search-submit {
    padding: 10px 20px;
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
    font-family: var(--font-base);
}

.search-form .search-submit:hover {
    background-color: var(--color-primary-dark);
}

.search-no-results__suggest {
    margin-bottom: 8px;
}

.search-no-results__suggest-label {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.search-no-results__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

/* ===========================
   404 Page
   =========================== */
.error-404 {
    padding: 80px 0;
}

.error-404__hero {
    text-align: center;
    margin-bottom: 80px;
}

.error-404__code {
    font-size: 7rem;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.15;
    line-height: 1;
    margin-bottom: 0;
}

.error-404__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    margin-top: -16px;
}

.error-404__desc {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 32px;
}

.error-404__actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn--outline-dark {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition);
}

.btn--outline-dark:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.error-404__recent-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 24px;
}

/* ===========================
   Single Post
   =========================== */
.single-layout {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 0;
}

.entry-header {
    margin-bottom: 40px;
}

.entry-category {
    margin-bottom: 12px;
}

.entry-category a {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: rgba(26, 79, 160, 0.08);
    padding: 4px 10px;
    border-radius: 4px;
}

.entry-title {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--color-text);
    margin-bottom: 20px;
}

.entry-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.entry-meta__date,
.entry-meta__author {
    display: flex;
    align-items: center;
    gap: 5px;
}

.entry-thumbnail {
    margin-bottom: 48px;
    border-radius: 8px;
    overflow: hidden;
}

.entry-thumbnail img {
    width: 100%;
    height: auto;
}

.entry-content {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--color-text);
    margin-bottom: 40px;
}

.entry-content h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 48px 0 20px;
    color: var(--color-text);
}

.entry-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 36px 0 16px;
    color: var(--color-text);
}

.entry-content p {
    margin-bottom: 24px;
}

.entry-content ul,
.entry-content ol {
    margin: 0 0 24px 24px;
}

.entry-content li {
    margin-bottom: 8px;
}

.entry-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding: 16px 24px;
    margin: 32px 0;
    background-color: var(--color-bg-light);
    border-radius: 0 4px 4px 0;
    font-style: italic;
    color: var(--color-text-light);
}

.entry-content img {
    border-radius: 6px;
    margin: 8px 0;
}

.entry-content a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.entry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.entry-tags__item {
    font-size: 0.85rem;
    color: var(--color-text-light);
    background-color: var(--color-bg-light);
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.entry-tags__item:hover {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* CTA 배너 */
.post-cta-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding: 32px 40px;
    border-radius: 12px;
    margin: 48px 0;
}

.post-cta-banner__text strong {
    display: block;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.post-cta-banner__text p {
    font-size: 0.9rem;
    opacity: 0.85;
}

.post-cta-banner .btn--primary {
    white-space: nowrap;
    flex-shrink: 0;
}

/* 이전/다음 포스트 네비게이션 */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

.post-navigation__prev {
    text-align: left;
}

.post-navigation__next {
    text-align: right;
}

.post-navigation__label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.post-navigation__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    transition: color var(--transition);
    word-break: keep-all;
}

.post-navigation__link:hover {
    color: var(--color-primary);
}

/* 관련 글 */
.related-posts {
    margin-bottom: 60px;
}

.related-posts__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--color-text);
}

/* ===========================
   Responsive
   =========================== */
/* 스크롤 시 헤더 그림자 강화 */
.site-header.is-scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

@media (max-width: 768px) {
    /* 헤더 내부: 한 줄 유지, 상대 위치 설정 */
    .site-header__inner {
        position: relative;
        height: 60px;
        padding: 0;
    }

    /* 햄버거 버튼 표시 + 오른쪽 끝 배치 */
    .nav-toggle {
        display: flex;
        margin-left: auto;
    }

    /* 헤더 우측 액션 숨김 */
    .site-header__actions {
        display: none;
    }

    /* 네비게이션: absolute 드롭다운 */
    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: -20px;   /* container padding 보정 */
        right: -20px;
        background-color: var(--color-bg);
        border-top: 2px solid var(--color-primary);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        z-index: 99;
        margin-left: 0;
        padding: 8px 20px 16px;
    }

    .site-nav.is-open {
        display: block;
    }

    .site-nav__list {
        flex-direction: column;
        gap: 0;
    }

    .site-nav__list li {
        border-bottom: 1px solid var(--color-border);
    }

    .site-nav__list li:last-child {
        border-bottom: none;
    }

    .site-nav__list a {
        display: block;
        padding: 14px 4px;
        font-size: 1rem;
        color: var(--color-text);
    }

    .site-nav__list a:hover {
        color: var(--color-primary);
    }

    /* 스크롤 방지 (메뉴 열렸을 때) */
    body.nav-open {
        overflow: hidden;
    }

    .hero {
        padding: 60px 0;
    }

    .hero__title {
        font-size: 1.75rem;
    }

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

    .site-footer__inner {
        grid-template-columns: 1fr;
    }

    /* Single Post 모바일 */
    .entry-title {
        font-size: 1.6rem;
    }

    .post-cta-banner {
        flex-direction: column;
        text-align: center;
        padding: 28px 24px;
    }

    .post-navigation {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .post-navigation__next {
        text-align: left;
    }
}