@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css");
@import url("https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@300;400;500;600;700;900&display=swap");

/* 信 묵향 에디토리얼 — 소송비용 자동 계산기 (Steel Navy 톤) */

@font-face {
    font-family: 'MaruBuri';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_20-10-21@1.0/MaruBuri-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

:root {
    /* Paper & Ink — Cool Light */
    --paper:           #ECEEF3;
    --paper-soft:      #E1E5EC;
    --paper-deep:      #CDD3DD;
    --card:            #F8F9FB;
    --ink:             #0F1825;
    --ink-soft:        #2C3645;
    --ink-mute:        #5C6678;
    --ink-light:       #98A0AE;
    --rule:            #BDC4D0;
    --rule-soft:       #D5DAE2;

    /* Accent — Steel Navy (소송 비용의 무게감) */
    --accent:          #1E3A5F;
    --accent-deep:     #142640;
    --accent-soft:     #5876A0;
    --accent-tint:     #DCE4F0;

    /* States */
    --success:         #3A6B4A;
    --danger:          #8B2520;
    --warning:         #946A1F;

    --font-sans: 'Pretendard', -apple-system, sans-serif;
    --font-serif: 'Noto Serif KR', 'MaruBuri', serif;

    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.25s cubic-bezier(0.2, 0.7, 0.2, 1);
    --shadow-card: 0 1px 0 rgba(15,24,37,0.04), 0 8px 24px -12px rgba(15,24,37,0.10);
    --shadow-focus: 0 0 0 3px rgba(30,58,95,0.18);

    /* Legacy alias */
    --primary-color: var(--ink);
    --text-primary: var(--ink);
    --text-secondary: var(--ink-mute);
    --bg-primary: var(--card);
    --border-color: var(--rule);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
    font-family: var(--font-sans);
    background-color: var(--paper);
    color: var(--ink);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    letter-spacing: -0.005em;
    background-image:
        radial-gradient(ellipse at top right, color-mix(in oklab, var(--accent) 4%, transparent), transparent 60%),
        repeating-linear-gradient(0deg,
            transparent 0px,
            transparent 2px,
            color-mix(in oklab, var(--ink) 1.5%, transparent) 2px,
            color-mix(in oklab, var(--ink) 1.5%, transparent) 3px);
    background-attachment: fixed;
}

::selection { background: var(--accent); color: var(--card); }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

/* ============================================ HEADER (신문 사두) ============================================ */
.header {
    background: color-mix(in oklab, var(--paper) 88%, transparent);
    border-bottom: 1px solid var(--rule);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
}
.header::after {
    content: '';
    display: block;
    height: 1px;
    background: var(--ink);
    opacity: 0.15;
    margin-top: -1px;
}
.header-container {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 68px;
    position: relative;
}
.header-container::before {
    content: '信';
    position: absolute;
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 22px;
    color: var(--card);
    background: var(--ink);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 3px;
    z-index: 1;
    pointer-events: none;
}
.header-left {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    text-decoration: none;
    transition: var(--transition);
    padding-left: 48px;
}
.header-left .main-info {
    display: flex;
    flex-direction: column;
    gap: 0;
    line-height: 1.2;
}
.header-left strong:first-of-type {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
}
.header-left strong:last-of-type {
    font-family: var(--font-sans) !important;
    font-size: 0.7rem !important;
    font-weight: 500 !important;
    color: var(--ink-mute) !important;
    letter-spacing: 0.04em;
    top: 0 !important;
    margin-top: 2px;
}
.header-left .website-info { display: none; }

.browser-tip {
    background: transparent;
    border: 1px solid var(--rule);
    color: var(--ink-mute);
    width: 36px;
    height: 36px;
    padding: 0;
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}
.browser-tip:hover {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}

.hanja-shin,
.shin-calligraphy-small {
    font-family: var(--font-serif) !important;
    font-size: 1.05em;
    font-weight: 500;
    display: inline-block;
    color: var(--accent);
    margin: 0 0.05em;
    line-height: 1;
    vertical-align: baseline;
    background: none;
    -webkit-text-fill-color: initial;
}

/* ============================================ MAIN ============================================ */
.main-content {
    flex: 1;
    max-width: 1040px;
    width: 100%;
    margin: 0 auto;
    padding: 4rem 2rem 6rem;
    position: relative;
}
.main-content::before {
    content: '信';
    position: absolute;
    top: 1rem;
    right: -1rem;
    font-family: var(--font-serif);
    font-weight: 300;
    font-size: 16rem;
    color: var(--ink);
    opacity: 0.025;
    pointer-events: none;
    z-index: 0;
    line-height: 1;
    user-select: none;
}

/* ============================================ CONTENT CARD ============================================ */
.content-card {
    background: var(--card);
    padding: 3rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--rule);
    box-shadow: var(--shadow-card);
    position: relative;
    z-index: 1;
}
.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--ink);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* ============================================ PAGE HEADER ============================================ */
.page-header {
    text-align: left;
    background: transparent;
    border: none;
    padding: 0 0 2.5rem;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--rule);
    position: relative;
}
.page-header::before { display: none; }
.page-header::after {
    content: 'LEGAL · LITIGATION COST / 소송비용 산출';
    display: block;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: var(--accent);
    margin-bottom: 1.25rem;
    text-transform: uppercase;
}
.page-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--ink);
    display: block;
    margin-bottom: 0.75rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
}
.page-icon { display: none; }
.page-description {
    font-size: 1rem;
    color: var(--ink-mute);
    line-height: 1.7;
    max-width: 560px;
    font-weight: 400;
}

/* ============================================ FORM SECTION ============================================ */
.form-section {
    margin-bottom: 2.5rem;
}
.form-section h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: baseline;
    gap: 0.875rem;
    letter-spacing: -0.01em;
    position: relative;
    counter-increment: form-section;
}
.form-section h3::before {
    content: counter(form-section, decimal-leading-zero);
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.15em;
    flex-shrink: 0;
}
#calculatorForm { counter-reset: form-section; }
.form-section h3 i { display: none; }
.form-section h3::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--rule);
    margin-left: 1rem;
    align-self: center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.form-group {
    margin-bottom: 1.25rem;
}
.form-group label {
    display: block;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    color: var(--ink);
    letter-spacing: 0.01em;
}
.input-field {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--paper-soft);
    border: 1px solid var(--rule);
    border-radius: var(--radius-xs);
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--ink);
    transition: var(--transition);
}
.input-field::placeholder { color: var(--ink-light); }
.input-field:focus {
    outline: none;
    background: var(--card);
    border-color: var(--accent);
    box-shadow: var(--shadow-focus);
}
select.input-field {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--ink-mute) 50%),
                      linear-gradient(135deg, var(--ink-mute) 50%, transparent 50%);
    background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    padding-right: 2rem;
}

/* ============================================ BUTTONS ============================================ */
.btn-group {
    display: flex;
    gap: 0.75rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}
.button-primary {
    flex: 1;
    min-width: 200px;
    padding: 1.05rem 2rem;
    background: var(--ink);
    color: var(--card);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.975rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.button-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, color-mix(in oklab, var(--accent) 30%, transparent), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}
.button-primary:hover {
    background: var(--accent);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px -8px color-mix(in oklab, var(--accent) 40%, transparent);
}
.button-primary:hover::before { transform: translateX(100%); }

.button-secondary {
    padding: 1.05rem 1.75rem;
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--rule);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.button-secondary:hover {
    background: var(--paper-soft);
    border-color: var(--ink);
    transform: translateY(-1px);
}

/* ============================================ LOADING ============================================ */
.loading-spinner {
    display: none;
    text-align: center;
    padding: 3rem 0 2rem;
}
.loading-spinner.show { display: block; }
.loading-spinner .spinner {
    border: 2px solid var(--rule);
    border-top: 2px solid var(--accent);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    animation: spin 0.85s cubic-bezier(0.5, 0.1, 0.5, 0.9) infinite;
    margin: 0 auto 1rem;
}
.loading-spinner p {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--ink);
    font-weight: 500;
}
@keyframes spin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================ RESULTS ============================================ */
#resultsSection {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 2px solid var(--ink);
    position: relative;
}
#resultsSection::before {
    content: 'RESULT / 산출 결과';
    position: absolute;
    top: -10px;
    left: 0;
    background: var(--card);
    padding: 0 0.75rem 0 0;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: var(--accent);
    text-transform: uppercase;
}
.results-header {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}
.results-header i { color: var(--accent); margin-right: 0.5rem; }

.results-content {
    line-height: 1.8;
    font-size: 0.975rem;
    color: var(--ink-soft);
    font-family: var(--font-sans);
}
.results-content h3,
.results-content h4 {
    font-family: var(--font-serif);
    color: var(--ink);
    margin: 1.5rem 0 0.75rem;
    letter-spacing: -0.01em;
}
.results-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--rule);
    position: relative;
}
.results-content h3::before {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent);
}
.results-content h4 {
    font-size: 1rem;
    font-weight: 600;
}
.results-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0 1.5rem;
    font-size: 0.9rem;
}
.results-content th,
.results-content td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--rule-soft);
}
.results-content th {
    background: var(--paper-soft);
    font-weight: 600;
    color: var(--ink);
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
}
.results-content tr:hover td { background: color-mix(in oklab, var(--accent) 3%, transparent); }
.results-content td:last-child,
.results-content th:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.results-content strong { color: var(--ink); font-weight: 700; }
.results-content ul, .results-content ol { margin: 0.5rem 0 1rem 1.5rem; }
.results-content li {
    margin-bottom: 0.4rem;
    list-style: none;
    position: relative;
    padding-left: 1rem;
}
.results-content li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.result-summary,
.cost-summary {
    background: color-mix(in oklab, var(--accent) 4%, var(--card));
    border: 1px solid color-mix(in oklab, var(--accent) 20%, var(--rule));
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 1.5rem 1.75rem;
    margin: 1.5rem 0;
    line-height: 1.85;
}

/* ============================================ FOOTER ============================================ */
.footer {
    background: var(--paper);
    border-top: 1px solid var(--rule);
    padding: 2.5rem 0 2rem;
    margin-top: auto;
    position: relative;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background: var(--accent);
    margin-top: -1px;
}
.footer-container {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}
.footer-links {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.footer-links a {
    color: var(--ink-mute);
    font-size: 0.825rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-links a i { font-size: 0.75rem; opacity: 0.7; }
.footer-copyright {
    color: var(--ink-light);
    font-size: 0.72rem;
    line-height: 1.8;
    padding-top: 1.5rem;
    border-top: 1px solid var(--rule-soft);
    max-width: 720px;
    margin: 0 auto;
}

/* ============================================ HOME GUIDE MODAL ============================================ */
.home-guide-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: color-mix(in oklab, var(--ink) 50%, transparent);
    backdrop-filter: blur(4px);
    z-index: 2000;
}
.home-guide-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.home-guide-content {
    background: var(--card);
    border-radius: var(--radius-md);
    padding: 24px;
    padding-top: 64px;
    max-width: 380px;
    width: 100%;
    box-shadow: 0 24px 64px rgba(15,24,37,0.3);
    position: relative;
    border: 1px solid var(--rule);
}
.service-link-copy {
    position: absolute;
    top: 16px;
    left: 20px;
    right: 56px;
    background: var(--ink);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 12px;
    color: var(--card);
    font-weight: 500;
    transition: var(--transition);
}
.service-link-copy:hover { background: var(--accent); }
.service-link-copy.copied { background: var(--success); }
.guide-header { text-align: center; margin-bottom: 20px; }
.guide-header h3 {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
    line-height: 1.4;
    padding: 0 20px;
}
.guide-header p { font-size: 13px; color: var(--ink-mute); }
.guide-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: transparent;
    border: 1px solid var(--rule);
    font-size: 20px;
    cursor: pointer;
    color: var(--ink-mute);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    line-height: 1;
}
.guide-close:hover {
    background: var(--ink);
    color: var(--card);
    border-color: var(--ink);
}
.browser-section {
    margin-bottom: 12px;
    padding: 14px;
    background: var(--paper-soft);
    border-radius: var(--radius-sm);
    border: 1px solid var(--rule-soft);
}
.browser-section h4 {
    font-family: var(--font-serif);
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.browser-icon { width: 18px; height: 18px; display: inline-flex; align-items: center; justify-content: center; }
.samsung-icon {
    background: #1428A0;
    color: #fff;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    width: 18px;
    height: 18px;
}
.guide-steps { list-style: none; padding: 0; margin: 0; }
.guide-steps li {
    font-size: 12px;
    color: var(--ink-mute);
    padding: 3px 0 3px 16px;
    position: relative;
}
.guide-steps li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
}
.guide-footer {
    text-align: center;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--rule-soft);
}
.guide-benefit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--success);
    font-size: 13px;
    font-weight: 600;
}

/* ============================================ LAWYER BANNER ============================================ */
.lawyer-banner {
    position: fixed !important;
    bottom: 28px !important;
    right: 28px !important;
    background: var(--card) !important;
    padding: 10px 16px 10px 11px !important;
    border-radius: var(--radius-sm) !important;
    box-shadow: 0 4px 16px rgba(15,24,37,0.12) !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    text-decoration: none !important;
    color: var(--ink) !important;
    transition: var(--transition) !important;
    z-index: 9999 !important;
    border: 1px solid var(--rule) !important;
    border-left: 3px solid var(--accent) !important;
}
.lawyer-banner:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 24px rgba(15,24,37,0.18) !important;
    border-left-color: var(--ink) !important;
}
.lawyer-icon-box {
    width: 34px !important;
    height: 34px !important;
    background: var(--paper-soft) !important;
    border-radius: var(--radius-xs) !important;
    color: var(--ink) !important;
    font-size: 1rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
}
.lawyer-text-box {
    display: flex !important;
    flex-direction: column !important;
    line-height: 1.25 !important;
}
.lawyer-title {
    font-family: var(--font-serif) !important;
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    color: var(--ink) !important;
}
.lawyer-subtitle {
    font-size: 0.62rem !important;
    color: var(--ink-mute) !important;
    letter-spacing: 0.04em;
}

/* ============================================ RESPONSIVE ============================================ */
@media (max-width: 720px) {
    .header-container { padding: 0 1.25rem; height: 60px; }
    .header-container::before { left: 1.25rem; width: 32px; height: 32px; font-size: 19px; }
    .header-left { padding-left: 42px; }
    .header-left strong:first-of-type { font-size: 0.92rem; }

    .main-content { padding: 2.5rem 1.25rem 4rem; }
    .main-content::before { font-size: 10rem; right: -2rem; }

    .content-card { padding: 1.75rem 1.5rem; }

    .page-header { padding-bottom: 1.5rem; margin-bottom: 1.5rem; }
    .page-title { font-size: 1.85rem; }

    .form-row { grid-template-columns: 1fr; gap: 0; }
    .input-field { font-size: 16px; }

    .btn-group { flex-direction: column; }
    .button-primary, .button-secondary { width: 100%; }

    .footer-links { gap: 1.5rem; }

    .lawyer-banner { bottom: 16px !important; right: 16px !important; padding: 8px 12px 8px 10px !important; }
}

/* ============================================ PRINT ============================================ */
@media print {
    .header, .footer-links, .browser-tip, .lawyer-banner, .btn-group, .loading-spinner { display: none !important; }
    body { background: #fff; }
    body::before, .main-content::before { display: none !important; }
    .content-card { box-shadow: none; border: none; padding: 0; }
}