/* ===== PAYCO 디자인 토큰 (pos-kr-DESIGN.md §3) ===== */
:root {
    --primary: #FF2233;
    --primary-darker: #E01E2C;
    --primary-light: #FFF0F1;
    --accent: #00AAFF;

    --ink: #111111;
    --ink-body: #4C4C4C;
    --ink-soft: #666666;

    --surface: #FFFFFF;
    --surface-subtle: #FAFAFA;
    --surface-muted: #F2F2F2;
    --line: #DADADA;

    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.06);
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary: #FF4451;
        --primary-darker: #FF2233;
        --primary-light: #2E1A1C;
        --accent: #4CC2FF;

        --ink: #F5F5F7;
        --ink-body: #C9C9CF;
        --ink-soft: #A0A0A8;

        --surface: #161618;
        --surface-subtle: #1E1E21;
        --surface-muted: #26262A;
        --line: #3A3A41;

        --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.4);
    }
}

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

body {
    background: var(--surface);
    color: var(--ink-body);
    font-family: Pretendard, -apple-system, "Noto Sans KR", "Malgun Gothic", sans-serif;
    font-size: 21px;
    line-height: 1.85;
    letter-spacing: -0.025em;
    -webkit-text-size-adjust: 100%;
}

/* 읽기 폭: 한 줄 40자 내외 (§2.2 가독성 우선) */
.wrap { max-width: 880px; margin: 0 auto; padding: 0 22px; }

h1, h2, h3 { color: var(--ink); letter-spacing: -0.04em; line-height: 1.32; }

/* ===== 히어로: 화이트 캔버스 + 레드 1포인트 (§2.1) ===== */
header.hero { padding: 80px 0 56px; }

.eyebrow {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0;
    padding: 7px 15px;
    border-radius: 100px;
    margin-bottom: 22px;
}

header.hero h1 { font-size: 70px; font-weight: 800; margin-bottom: 22px; }

header.hero h1 em { font-style: normal; color: var(--primary); }

header.hero .sub { font-size: 25px; margin-bottom: 36px; }

/* ===== 시그니처: 레드 stat 카드 (§5.4) ===== */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 38px;
}

.stat {
    background: var(--primary);
    border-radius: 16px;
    padding: 26px 12px;
    text-align: center;
    color: #fff;
}

.stat .num {
    font-size: 74px;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
}

.stat .num span { font-size: 34px; }

.stat p {
    margin-top: 12px;
    font-size: 19px;
    line-height: 1.45;
    opacity: 0.95;
}

.btn {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 21px;
    letter-spacing: -0.025em;
    padding: 20px 42px;
    border-radius: 12px;
    text-decoration: none;
    transition: background-color .15s;
}

.btn:hover { background: var(--primary-darker); }

/* ===== 섹션 ===== */
section { padding: 60px 0; }

section.alt { background: var(--surface-subtle); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

h2 { font-size: 48px; font-weight: 800; margin-bottom: 14px; }

.lede { font-size: 24px; color: var(--ink-soft); margin-bottom: 30px; }

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    padding: 32px 34px;
    margin-bottom: 14px;
}

section.alt .card { box-shadow: none; }

.card h3 { font-size: 27px; font-weight: 700; margin-bottom: 7px; }

.card p { font-size: 21px; line-height: 1.8; }

/* ===== 비교표 ===== */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table {
    width: 100%;
    min-width: 680px;
    border-collapse: collapse;
    font-size: 19px;
}

th, td { border: 1px solid var(--line); padding: 16px 18px; text-align: left; }

thead th { background: var(--surface-muted); color: var(--ink); font-weight: 700; }

thead th:last-child { background: var(--primary); color: #fff; }

tbody th { background: var(--surface-muted); color: var(--ink); font-weight: 700; width: 27%; }

td.ours { background: var(--primary-light); color: var(--ink); font-weight: 700; }

/* ===== FAQ ===== */
details {
    border-bottom: 1px solid var(--line);
    padding: 20px 2px;
}

details summary {
    font-size: 28px;
    font-weight: 700;
    color: var(--ink);
    cursor: pointer;
    letter-spacing: -0.03em;
}

details p { margin-top: 14px; font-size: 21px; }

details a, .card a { color: var(--accent); font-weight: 700; }

/* ===== 마감 CTA (레드 면적은 여기 한 곳) ===== */
.closer { background: var(--primary); color: #fff; padding: 66px 0; text-align: center; }

.closer h2 { color: #fff; font-size: 48px; margin-bottom: 12px; }

.closer p { font-size: 24px; opacity: 0.95; margin-bottom: 30px; }

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

.closer .btn:hover { background: var(--primary-light); }

/* ===== 푸터 ===== */
footer { padding: 50px 0 68px; font-size: 18px; color: var(--ink-soft); line-height: 1.7; }

footer a { color: var(--ink-soft); }

.links { margin-bottom: 18px; }

.links a { color: var(--primary); font-weight: 700; text-decoration: none; margin-right: 20px; }

@media (max-width: 640px) {
    body { font-size: 19px; }
    header.hero { padding: 56px 0 44px; }
    header.hero h1 { font-size: 38px; }
    header.hero .sub { font-size: 20px; }
    h2 { font-size: 33px; }
    .stats { grid-template-columns: 1fr; gap: 10px; }
    .stat { display: flex; align-items: baseline; justify-content: center; gap: 12px; padding: 18px 14px; }
    .stat .num { font-size: 46px; }
    .stat p { margin-top: 0; font-size: 19px; }
}
    

/* ===== 가이드 본문 ===== */
.meta { font-size: 17px; color: var(--ink-soft); margin-top: -18px; margin-bottom: 30px; }

article h3 { font-size: 30px; font-weight: 700; margin: 34px 0 10px; }

article p { margin-bottom: 18px; }

article ul, article ol { padding-left: 1.3em; margin-bottom: 18px; }

article li { margin-bottom: 6px; }

article a { color: var(--accent); font-weight: 700; }

.key {
    border-left: 5px solid var(--primary);
    background: var(--primary-light);
    padding: 18px 22px;
    border-radius: 0 12px 12px 0;
    margin-bottom: 26px;
    color: var(--ink);
    font-weight: 700;
}

.related { list-style: none; padding: 0; }

.related li { margin-bottom: 10px; }

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