/* K1 Fact Finder Center — 공통 스타일 (파스텔 / 테두리 중심) */
:root {
  --slate: #2F3E4E;
  --finder: #5B7FA6;
  --chain: #7FA7CF;
  --mist: #D6E4F0;
  --mist-2: #EAF4FB;
  --mint: #B8DDB0;
  --mint-line: #8CC283;
  --rose: #F8E1E1;
  --rose-line: #E3A3A3;
  --yellow-line: #E0C266;
  --violet-line: #A99BC9;
  --gray-line: #A6A6A6;
  --text: #111111;
  --sub: #595959;
  --red: #C00000;
  --blue: #1F5FA8;
  --bg: #FFFFFF;
  --radius: 10px;
  --max: 1120px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans KR', 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.7; font-size: 16px;
  font-variant-ligatures: none; word-break: keep-all;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { position: sticky; top: 0; background: rgba(255,255,255,.96); border-bottom: 1px solid #E5E5E5; z-index: 10; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--slate); }
.brand:hover { text-decoration: none; }
.brand img { width: 40px; height: 40px; }
.brand-name { font-family: Arial, sans-serif; font-weight: 800; font-size: 19px; letter-spacing: .2px; }
.brand-name span { color: var(--finder); }
.nav { display: flex; gap: 28px; }
.nav a { color: var(--text); font-size: 15px; font-weight: 500; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:hover { text-decoration: none; border-bottom-color: var(--chain); }
.nav a.active { border-bottom-color: var(--slate); font-weight: 700; }
.nav-toggle { display: none; background: none; border: 1px solid var(--gray-line); border-radius: 6px; padding: 6px 10px; font-size: 14px; cursor: pointer; }

/* Sections */
section { padding: 72px 0; }
.section-head { margin-bottom: 36px; }
.eyebrow { font-size: 13px; font-weight: 700; color: var(--finder); letter-spacing: 1px; text-transform: uppercase; font-family: Arial, sans-serif; }
h1 { font-size: 44px; line-height: 1.3; font-weight: 800; }
h2 { font-size: 30px; line-height: 1.35; font-weight: 800; margin-top: 6px; }
h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.lead { font-size: 18px; color: var(--sub); margin-top: 12px; max-width: 760px; }
.muted { color: var(--sub); }
.em-red { color: var(--red); font-weight: 700; }
.em-blue { color: var(--blue); font-weight: 700; }

/* Hero */
.hero { padding: 96px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: center; }
.hero .sub { font-size: 19px; color: var(--sub); margin-top: 18px; }
.btns { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 24px; border-radius: 8px; font-weight: 700; font-size: 15px; border: 1px solid var(--gray-line); color: var(--text); background: #fff; }
.btn:hover { text-decoration: none; border-color: var(--slate); }
.btn-primary { border: 2px solid var(--slate); color: var(--slate); }
.check-card { border: 1.5px solid var(--chain); border-radius: var(--radius); padding: 32px; background: #fff; }
.check-card h3 { font-size: 20px; margin-bottom: 16px; }
.check-list { list-style: none; }
.check-list li { padding: 10px 0 10px 34px; position: relative; border-bottom: 1px dashed #E0E0E0; font-size: 16px; }
.check-list li:last-child { border-bottom: none; }
.check-list li::before { content: "✓"; position: absolute; left: 4px; top: 9px; width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--mint-line); color: var(--slate); font-size: 13px; text-align: center; line-height: 20px; font-weight: 700; }
.trust-line { margin-top: 18px; font-size: 14px; color: var(--sub); text-align: center; }

/* Cards / grids */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card { border: 1.5px solid var(--gray-line); border-radius: var(--radius); padding: 28px; background: #fff; }
.card.c-blue { border-color: var(--chain); }
.card.c-mint { border-color: var(--mint-line); }
.card.c-violet { border-color: var(--violet-line); }
.card.c-yellow { border-color: var(--yellow-line); }
.card.c-rose { border-color: var(--rose-line); }
.card.c-em { border: 2px solid var(--slate); }
.card .num { font-family: Arial, sans-serif; font-weight: 800; color: var(--sub); font-size: 15px; margin-bottom: 8px; }
.card .q { color: var(--blue); font-weight: 600; margin-top: 4px; }
.card .base { margin-top: 16px; padding-top: 12px; border-top: 1px dashed #E0E0E0; font-size: 14px; }
.card .base b { display: block; font-size: 12px; color: var(--sub); }
.card ul { margin: 10px 0 0 18px; }
.card li { margin: 4px 0; font-size: 15px; }
.badge { display: inline-block; font-size: 12px; padding: 2px 10px; border: 1px solid var(--gray-line); border-radius: 12px; color: var(--sub); margin-right: 6px; }
.more { margin-top: 28px; }

/* Process */
.steps { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; counter-reset: s; }
.step { text-align: center; position: relative; }
.step .dot { width: 54px; height: 54px; border-radius: 50%; border: 2px solid var(--chain); margin: 0 auto 12px; display: flex; align-items: center; justify-content: center; font-family: Arial, sans-serif; font-weight: 800; color: var(--slate); font-size: 18px; background: #fff; position: relative; z-index: 1; }
.step.key .dot { border-color: var(--slate); border-width: 2.5px; }
.step:not(:last-child)::after { content: ""; position: absolute; top: 27px; left: calc(50% + 30px); width: calc(100% - 52px); border-top: 1.5px solid var(--gray-line); }
.step b { display: block; font-size: 15px; }
.step span { font-size: 13px; color: var(--sub); }
.note-box { margin-top: 32px; border: 2px solid var(--slate); border-radius: var(--radius); padding: 18px 24px; }

/* Principles */
.principles { list-style: none; }
.principles li { padding: 14px 0; border-bottom: 1px dashed #E0E0E0; }
.principles li b { display: block; }
.principles li span { color: var(--sub); font-size: 15px; }
.grade-row { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.grade { border: 1px solid var(--gray-line); border-radius: 6px; padding: 6px 16px; font-size: 14px; }
.g-a { background: #E2F0D9; } .g-b { background: #EAF4FB; } .g-c { background: #FFF2CC; } .g-d { background: #F8E1E1; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { border: 1px solid var(--gray-line); padding: 10px 14px; text-align: left; vertical-align: top; }
th { background: var(--mist); font-weight: 700; }

/* CTA */
.cta { border: 2px solid var(--slate); border-radius: var(--radius); padding: 44px; text-align: center; }
.cta h2 { margin-top: 0; }
.cta .btns { justify-content: center; }

/* Page header */
.page-head { padding: 64px 0 24px; }

/* Footer */
.site-footer { border-top: 1px solid #E5E5E5; padding: 36px 0 28px; margin-top: 40px; font-size: 14px; color: var(--sub); }
.site-footer .row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-footer .trust { color: var(--slate); font-weight: 600; }
.abbr { margin-top: 18px; font-size: 11px; color: #808080; line-height: 1.6; }

/* Responsive */
@media (max-width: 900px) {
  h1 { font-size: 32px; } h2 { font-size: 24px; }
  .hero-grid, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .step:not(:last-child)::after { display: none; }
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; gap: 0; border-bottom: 1px solid #E5E5E5; padding: 8px 24px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid #F0F0F0; }
  .nav-toggle { display: block; }
  section { padding: 52px 0; }
  .cta { padding: 28px 20px; }
}
@media (max-width: 900px) { .hero .sub br { display: none; } }

/* ===== Design layer v2 ===== */
.site-header { transition: box-shadow .2s; }
.site-header.scrolled { box-shadow: 0 2px 14px rgba(47,62,78,.08); }
.hero { position: relative; overflow: hidden; padding: 84px 0 64px; }
.hero-bg { position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(circle at 1px 1px, #DCE6EF 1px, transparent 0); background-size: 22px 22px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 90%); -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 90%); }
.hero h1 .hl { background: linear-gradient(transparent 62%, #D6E4F0 62%); padding: 0 4px; }
.hero-art { width: 100%; height: auto; }
.trust-pills { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.trust-pills > span { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--slate); border: 1px solid #D0D9E2; border-radius: 20px; padding: 5px 14px; background: #fff; }
.btn { transition: all .18s; }
.btn-primary { background: var(--slate); color: #fff; border-color: var(--slate); }
.btn-primary:hover { background: #3E5164; }

.stats { padding: 0 0 8px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1.5px solid #D0D9E2; border-radius: 14px; background: #fff; }
.stat { padding: 24px 20px; text-align: center; }
.stat + .stat { border-left: 1px solid #E5EBF0; }
.stat b { display: block; font-family: Arial, sans-serif; font-size: 36px; font-weight: 800; color: var(--slate); line-height: 1.1; }
.stat b small { font-size: 16px; margin-left: 2px; color: var(--finder); }
.stat span { font-size: 14px; color: var(--sub); }

section.tint { background: #F6FAFD; border-top: 1px solid #EDF2F7; border-bottom: 1px solid #EDF2F7; }
.section-head.center { text-align: center; }
.section-head.center .lead { margin-left: auto; margin-right: auto; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.qcard { background: #fff; border: 1.5px solid #D0D9E2; border-radius: 12px; padding: 26px 22px; text-align: center; transition: transform .2s, box-shadow .2s; }
.qcard p { margin-top: 12px; font-size: 16px; line-height: 1.6; }
.qcard .ic { margin: 0 auto; }

.ic, .ic-l, .ic-s { display: inline-flex; align-items: center; justify-content: center; color: var(--slate); flex-shrink: 0; }
.ic { width: 48px; height: 48px; border-radius: 12px; background: #EAF4FB; margin-bottom: 14px; }
.ic svg { width: 26px; height: 26px; }
.ic-s svg { width: 18px; height: 18px; }
.ic-l { width: 64px; height: 64px; border-radius: 16px; background: #fff; border: 1.5px solid #D0D9E2; }
.ic-l svg { width: 32px; height: 32px; }
.c-mint .ic { background: #E2F0D9; } .c-violet .ic { background: #ECE6F5; } .c-yellow .ic { background: #FFF2CC; } .c-rose .ic { background: #F8E1E1; }
.h-ic { display: flex; align-items: center; gap: 8px; }

.card { transition: transform .2s, box-shadow .2s; }
.card:hover, .qcard:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(47,62,78,.08); }

.step .dot { transition: background .2s; }
.step:hover .dot { background: #EAF4FB; }

.cta { background: #fff; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px; border-radius: 50%; border: 18px solid #EAF4FB; }
.cta::after { content: ""; position: absolute; left: -40px; bottom: -70px; width: 160px; height: 160px; border-radius: 50%; background: #E2F0D9; opacity: .6; }
.cta > * { position: relative; z-index: 1; }

.page-head { position: relative; overflow: hidden; background: #F6FAFD; border-bottom: 1px solid #EDF2F7; padding: 56px 0 44px; margin-bottom: 24px; }
.ph-deco { position: absolute; right: 6%; top: -40px; width: 260px; height: 260px; border-radius: 50%; border: 22px solid #E3EDF6; }
.ph-deco::after { content: ""; position: absolute; right: -70px; bottom: -60px; width: 34px; height: 110px; background: #E3EDF6; border-radius: 17px; transform: rotate(-45deg); }
.ph-wrap { display: flex; gap: 24px; align-items: flex-start; position: relative; }
.ph-wrap h1 { font-size: 36px; }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .card:hover, .qcard:hover { transform: none; } }

@media (max-width: 900px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: none; }
  .stat:nth-child(n+3) { border-top: 1px solid #E5EBF0; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ph-wrap { flex-direction: column; gap: 14px; }
  .ph-wrap h1 { font-size: 28px; }
  .ph-deco { width: 160px; height: 160px; right: -40px; }
}
@media (max-width: 520px) { .grid-4 { grid-template-columns: 1fr; } }
.card ul.principles, .card ul.check-list { margin-left: 0; }

/* ===== Background layer v3 (pastel) ===== */
body { background: #F5F9FC; }
.site-header { background: rgba(255,255,255,.95); }
.hero { background: linear-gradient(180deg, #E8F2FA 0%, #F5F9FC 100%); }
section.tint { background: #EAF3F9; border-color: #DDE9F3; }
.page-head { background: linear-gradient(180deg, #E3EEF7 0%, #EEF5FA 100%); border-bottom-color: #DDE9F3; }
.ph-deco { border-color: #D6E4F0; } .ph-deco::after { background: #D6E4F0; }
.card, .qcard, .stat-grid, .cta, .check-card, table { background: #fff; }
.site-footer { background: #EAF0F5; border-top-color: #DDE6EE; margin-top: 0; }
.trust-pills > span { background: rgba(255,255,255,.85); }