/* =========================================
   리드인 행정사사무소 - Style Sheet
   ========================================= */

:root {
    --color-primary: #273e5f;     /* 브랜드 네이비 - 메인 컬러 */
    --color-primary-dark: #16233a;
    --color-primary-light: #3f5c85;
    --color-accent: #273e5f;      /* 메인 컬러로 통일 (기존 브라운 제거) */
    --color-accent-light: #4a6b95;
    --color-gold: #774f11;        /* 브랜드 브라운/골드 - 포인트 전용, 최소 사용 */
    --color-gray: #737373;        /* 브랜드 그레이 */
    --color-bg: #ffffff;
    --color-bg-soft: #f7f7f7;
    --color-text: #2b2b2b;
    --color-text-light: #737373;
    --color-border: #e2e2e2;
    --radius: 12px;
    --shadow-sm: 0 2px 10px rgba(39, 62, 95, 0.07);
    --shadow-md: 0 10px 30px rgba(39, 62, 95, 0.14);
    --max-width: 1140px;
    --transition: all 0.25s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
}

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

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

ul { list-style: none; margin: 0; padding: 0; }

.section-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 90px 24px;
}

.section-kicker {
    color: var(--color-accent);
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 0.85rem;
    margin: 0 0 10px;
}

.section-sub {
    color: var(--color-text-light);
    margin-top: -6px;
    margin-bottom: 40px;
}

.center { text-align: center; }

h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin: 0 0 16px;
    color: var(--color-primary-dark);
    font-weight: 700;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 13px 28px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
}

.btn-outline {
    border-color: rgba(255,255,255,0.6);
    color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    background: transparent;
}
.btn-outline:hover {
    background: var(--color-primary-dark);
    color: #fff;
}

/* =========== Header =========== */
#site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(6px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1.1;
}
.logo-img {
    height: 42px;
    width: auto;
}
.logo-img--wide {
    height: 50px;
}
.logo-text {
    display: flex;
    flex-direction: column;
}
.logo-main {
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--color-primary-dark);
}
.logo-sub {
    font-size: 0.72rem;
    color: var(--color-accent);
    letter-spacing: 1px;
}

#main-nav ul {
    display: flex;
    gap: 32px;
}
#main-nav a {
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: 4px 0;
    transition: var(--transition);
}
#main-nav a:hover { color: var(--color-accent); }

.header-cta { flex-shrink: 0; }

#menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--color-primary-dark);
    cursor: pointer;
}

/* =========== Hero =========== */
#hero-section {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: var(--color-text);
    background: #f4f6f9;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center top;
    transform: scale(1.02);
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(255,255,255,0.97) 0%, rgba(255,255,255,0.92) 34%, rgba(244,247,251,0.68) 55%, rgba(39,62,95,0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 140px 24px 80px;
    width: 100%;
}

.hero-kicker {
    letter-spacing: 3px;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 18px;
}

#hero-section h1 {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    margin: 0 0 20px;
    font-weight: 900;
    color: var(--color-primary-dark);
}
.arrow { color: var(--color-accent); }

.hero-desc {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 640px;
    margin-bottom: 28px;
}

.hero-quote {
    margin: 0 0 28px;
    padding: 18px 24px;
    border-left: 4px solid var(--color-accent);
    background: rgba(39,62,95,0.06);
    border-radius: 0 8px 8px 0;
    font-size: 1.05rem;
    max-width: 560px;
    font-weight: 500;
    color: var(--color-primary-dark);
}

.hero-values {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 36px;
    font-size: 0.95rem;
    color: var(--color-primary);
    font-weight: 600;
}
.hero-values i { margin-right: 6px; color: var(--color-accent); }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-actions .btn-outline {
    border-color: var(--color-primary-dark);
    color: var(--color-primary-dark);
}
.hero-actions .btn-outline:hover {
    background: var(--color-primary-dark);
    color: #fff;
}

/* =========== About =========== */
#about-section { background: var(--color-bg); }

.about-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 60px;
    align-items: center;
}

.about-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
}

.about-text h2 { margin-bottom: 20px; }

.about-lead {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-primary-dark);
}

.about-contact-list {
    margin: 28px 0;
    display: grid;
    gap: 12px;
}
.about-contact-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-light);
    font-size: 0.95rem;
}
.about-contact-list i {
    color: var(--color-accent);
    width: 18px;
    text-align: center;
}

/* =========== Services =========== */
#services-section { background: var(--color-bg-soft); }

.section-sub strong { color: var(--color-primary-dark); }

/* 4\uc5f4 x 2\ud589 \uc9c1\uad4c: 1\ud589-\uc678\ud658\uc2e0\uace0/\uc704\uaddc\uc2e0\uace0/FDI/ODI, 2\ud589-VISA/\uc778\ud5c8\uac00\ub4f1\ub85d\uc2e0\uace0/\uae30\uc5c5\uc778\uc99d/\ube44\uc601\ub9ac\ubc95\uc778 */
.services-grid-main {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 36px;
}

.service-simple-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 30px 26px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}
.service-simple-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent-light);
}

.service-simple-card .service-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(39, 62, 95, 0.10);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 18px;
}

.service-simple-card h3 {
    color: var(--color-primary-dark);
    margin: 0 0 10px;
    font-size: 1.15rem;
}
.service-simple-card p {
    color: var(--color-text-light);
    font-size: 0.92rem;
    margin: 0;
    line-height: 1.6;
}

/* =========== Blog =========== */
#blog-section { background: var(--color-bg); }

.blog-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 9px 20px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: #fff;
    color: var(--color-text-light);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.filter-btn:hover {
    border-color: var(--color-accent-light);
    color: var(--color-accent);
}
.filter-btn.active {
    background: var(--color-primary-dark);
    color: #fff;
    border-color: var(--color-primary-dark);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.blog-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.blog-card-img {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-bg-soft);
}
.blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card-body {
    padding: 20px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-cat {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 10px;
}

.blog-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin: 0 0 10px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-desc {
    font-size: 0.86rem;
    color: var(--color-text-light);
    margin: 0 0 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-date {
    font-size: 0.78rem;
    color: var(--color-gray);
    margin-top: auto;
}

.blog-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-top: 12px;
}

.blog-empty {
    grid-column: 1/-1;
    text-align: center;
    color: var(--color-text-light);
    padding: 40px 0;
}

.blog-more {
    text-align: center;
    margin-top: 44px;
}

/* =========== Location =========== */
#location-section { background: var(--color-bg-soft); }

.location-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.location-lead {
    font-size: 1.05rem;
    color: var(--color-text-light);
    margin-bottom: 30px;
}

.location-list {
    display: grid;
    gap: 16px;
}
.location-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
}
.location-list i {
    color: var(--color-accent);
    margin-top: 4px;
    width: 18px;
    text-align: center;
}

.location-map iframe {
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

/* =========== Contact =========== */
#contact-section { background: var(--color-bg); }

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}

.contact-card {
    background: var(--color-bg-soft);
    border-radius: var(--radius);
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}
.contact-card:hover {
    border-color: var(--color-accent-light);
    transform: translateY(-4px);
}
.contact-card i {
    font-size: 1.6rem;
    color: var(--color-accent);
    margin-bottom: 14px;
}
.contact-card h3 {
    margin: 0 0 8px;
    font-size: 1rem;
    color: var(--color-primary-dark);
}
.contact-card p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-light);
    word-break: break-word;
}

.contact-form {
    max-width: 640px;
    margin: 0 auto;
    display: grid;
    gap: 16px;
}

.form-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    background: var(--color-bg-soft);
    padding: 10px 14px;
    border-radius: 8px;
    margin: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    background: #fff;
    color: var(--color-text);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.contact-form button {
    justify-self: center;
    margin-top: 8px;
}

/* =========== Footer =========== */
#site-footer {
    background: var(--color-primary-dark);
    color: #d6dae2;
    padding: 60px 24px 30px;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.footer-brand { margin-bottom: 24px; display: flex; flex-direction: column; align-items: center; }
.footer-logo-img {
    height: 56px;
    width: auto;
    max-width: 100%;
    margin-bottom: 14px;
    background: #fff;
    padding: 10px 20px;
    border-radius: 10px;
}
.footer-brand p { margin: 6px 0 0; color: #a9adb5; font-size: 0.85rem; }

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}
.footer-links a {
    font-size: 0.9rem;
    color: #d6dae2;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--color-accent-light); }

.footer-disclaimer {
    font-size: 0.78rem;
    color: #9aa0a8;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 24px;
}

.footer-copy {
    font-size: 0.8rem;
    color: #8b8f97;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 20px;
}

/* =========== Scroll top =========== */
#scroll-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary-dark);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 900;
}
#scroll-top.visible {
    opacity: 1;
    pointer-events: auto;
}
#scroll-top:hover { background: var(--color-accent); }

/* =========== Responsive =========== */
@media (max-width: 960px) {
    .about-grid { grid-template-columns: 1fr; }
    .about-image { max-width: 280px; margin: 0 auto; }
    .services-grid-main { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .location-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
    #main-nav { display: none; }
    .header-cta { display: none; }
    #menu-toggle { display: block; }

    #main-nav.mobile-open {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: var(--shadow-md);
        padding: 20px 24px;
    }
    #main-nav.mobile-open ul {
        flex-direction: column;
        gap: 18px;
    }

    .section-inner { padding: 60px 20px; }
    .services-grid-main { grid-template-columns: 1fr; }
    .service-simple-card { padding: 24px 20px; }
    .blog-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .hero-content { padding: 120px 20px 60px; }
    .logo-img--wide { height: 36px; max-width: 62vw; }
}