/* ==========================================================================
   이자몇프로 소개 사이트 — 디자인 토큰
   색 정본: savings-rate-finder/docs/브랜드-컨셉-색상-말투-워딩.md §2
   - 딥 그린(brand)은 포인트 색이다. 대면적 배경으로 쓰지 않는다.
   - 골드(gold)는 돈·금리 숫자에만 쓴다.
   - `--text-sub`만 브랜드 원값에서 벗어난다: 라이트 #8C978E는 흰 배경 3.03:1 ·
     surface 2.76:1로 AA(4.5:1)에 못 미쳐 #636E64(4.57~5.32:1)로, 다크 #6E7B6E도
     같은 이유로 #96A296(5.38~7.00:1)으로 내렸다. 나머지 토큰은 원값 그대로다.
   ========================================================================== */

:root {
  --brand: #166534;
  --brand-pressed: #14532d;
  --brand-tint: #e7f2e9;
  --gold: #a16207;
  --text-strong: #1a231c;
  --text-body: #4c594f;
  --text-sub: #636e64;
  --border: #e3e8e2;
  --surface: #f3f5f2;
  --surface-container: #ebefe7;
  --background: #ffffff;
  --on-brand: #ffffff;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --maxw: 960px;
  --shadow: 0 1px 2px rgba(26, 35, 28, 0.06), 0 8px 24px rgba(26, 35, 28, 0.05);

  --font-sans: "Pretendard Variable", Pretendard, -apple-system,
    BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", system-ui,
    "Noto Sans KR", sans-serif;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #63c583;
    --brand-pressed: #7fd199;
    --brand-tint: #1e2e22;
    --gold: #e3b341;
    --text-strong: #eff3ee;
    --text-body: #aeb9ae;
    --text-sub: #96a296;
    --border: #28302a;
    --surface: #101410;
    --surface-container: #1c211c;
    --background: #1a201a;
    --on-brand: #101410;

    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.28);

    color-scheme: dark;
  }
}

/* --------------------------------------------------------------------------
   기본
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--text-body);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  color: var(--text-strong);
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(28px, 6.4vw, 44px);
}

h2 {
  font-size: clamp(21px, 4.2vw, 28px);
}

h3 {
  font-size: 17px;
  font-weight: 700;
}

p {
  margin: 0 0 14px;
}

a {
  color: var(--brand);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--brand-pressed);
}

:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

ul {
  margin: 0 0 14px;
  padding-left: 20px;
}

li {
  margin-bottom: 6px;
}

strong {
  color: var(--text-strong);
  font-weight: 700;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
  font-size: 0.88em;
  background: var(--surface-container);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
  color: var(--text-strong);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--brand);
  color: var(--on-brand);
  padding: 10px 16px;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
  color: var(--on-brand);
}

/* --------------------------------------------------------------------------
   상단 바 — 콘텐츠와 같은 표면 톤 + 얇은 구분선 (브랜드 §2 대면적 배경 규칙)
   -------------------------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text-strong);
  font-weight: 800;
  font-size: 17px;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand:hover {
  color: var(--text-strong);
}

.brand__mark {
  display: block;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  flex: none;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__links a {
  color: var(--text-body);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
}

.nav__links a:hover {
  color: var(--text-strong);
  background: var(--surface-container);
}

@media (max-width: 460px) {
  .nav__links a[data-optional] {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   섹션
   -------------------------------------------------------------------------- */

.section {
  padding: 56px 0;
  border-top: 1px solid var(--border);
}

.section__lead {
  max-width: 46em;
  margin-bottom: 28px;
}

.hero {
  padding: 56px 0 48px;
}

.hero__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

@media (min-width: 800px) {
  .hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 44px;
  }
}

.eyebrow {
  display: inline-block;
  background: var(--brand-tint);
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero__desc {
  font-size: clamp(16px, 2.4vw, 18px);
  max-width: 34em;
}

/* --------------------------------------------------------------------------
   버튼
   -------------------------------------------------------------------------- */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.btn--ghost {
  background: var(--background);
  border-color: var(--border);
  color: var(--text-strong);
}

.btn--ghost:hover {
  color: var(--text-strong);
  border-color: var(--brand);
}

.btn--disabled {
  background: var(--surface-container);
  border-color: var(--border);
  color: var(--text-body);
  cursor: default;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  line-height: 1.3;
  padding: 10px 20px;
}

.btn--disabled .btn__sub {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
}

.actions__note {
  font-size: 13px;
  color: var(--text-sub);
  margin: 0;
  flex-basis: 100%;
}

/* --------------------------------------------------------------------------
   예시 카드 (스크린샷 대신 쓰는 CSS 목업)
   -------------------------------------------------------------------------- */

.mock {
  background: var(--surface-container);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
}

.mock__phone {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.mock__bar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: 12px;
  color: var(--text-sub);
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
  margin-bottom: 14px;
}

.mock__bar strong {
  font-size: 14px;
}

.mock__card + .mock__card {
  border-top: 1px solid var(--border);
  margin-top: 14px;
  padding-top: 14px;
}

.mock__inst {
  font-size: 12px;
  color: var(--text-body);
  margin: 0;
}

.mock__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-strong);
  margin: 0 0 6px;
}

.mock__amount {
  font-size: 23px;
  font-weight: 900;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  line-height: 1.25;
  margin: 0;
}

.mock__rate {
  font-size: 12px;
  color: var(--text-sub);
  font-variant-numeric: tabular-nums;
  margin: 2px 0 0;
}

.badge {
  display: inline-block;
  background: var(--brand-tint);
  color: var(--brand);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
}

.mock__caption {
  font-size: 12px;
  color: var(--text-sub);
  margin: 12px 2px 0;
}

/* --------------------------------------------------------------------------
   카드 그리드
   -------------------------------------------------------------------------- */

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

@media (min-width: 620px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.card p:last-child {
  margin-bottom: 0;
}

.card__icon {
  display: block;
  width: 26px;
  height: 26px;
  color: var(--brand);
  margin-bottom: 10px;
}

/* 정직 표기 목록 */

.facts {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.facts li {
  background: var(--background);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin: 0;
}

.facts strong {
  display: block;
  margin-bottom: 2px;
}

.disclaimer {
  margin-top: 20px;
  background: var(--surface-container);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 14px;
  color: var(--text-body);
}

.disclaimer p:last-child {
  margin-bottom: 0;
}

.contact {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  max-width: 46em;
}

.contact p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   문서 페이지 (개인정보처리방침)
   -------------------------------------------------------------------------- */

.doc {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 5vw, 44px);
  margin: 32px auto 56px;
}

.doc__meta {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 8px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.doc__meta p {
  margin: 0 0 4px;
}

.doc__intro {
  padding-top: 20px;
}

.doc section {
  padding-top: 24px;
  margin-top: 24px;
  border-top: 1px solid var(--border);
}

.doc section h2 {
  font-size: 19px;
  font-weight: 700;
}

.doc dl {
  margin: 0 0 14px;
}

.doc dt {
  font-weight: 700;
  color: var(--text-strong);
  margin-top: 10px;
}

.doc dd {
  margin: 4px 0 0;
}

.doc ol {
  padding-left: 20px;
  margin: 0 0 14px;
}

.doc ol li {
  margin-bottom: 8px;
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 0 0 14px;
}

.doc th,
.doc td {
  border: 1px solid var(--border);
  padding: 9px 12px;
  text-align: left;
  vertical-align: top;
}

.doc th {
  background: var(--surface-container);
  color: var(--text-strong);
  font-weight: 700;
  white-space: nowrap;
}

.table-scroll {
  overflow-x: auto;
}

.toc {
  background: var(--surface-container);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 4px;
}

.toc h2 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.toc ol {
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
  columns: 2;
  column-gap: 24px;
}

@media (max-width: 560px) {
  .toc ol {
    columns: 1;
  }
}

.toc li {
  margin-bottom: 4px;
  break-inside: avoid;
}

/* --------------------------------------------------------------------------
   푸터
   -------------------------------------------------------------------------- */

.footer {
  border-top: 1px solid var(--border);
  background: var(--surface-container);
  padding: 32px 0;
  font-size: 14px;
  color: var(--text-sub);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  align-items: center;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.footer__links a {
  color: var(--text-body);
  text-decoration: none;
  font-weight: 600;
}

.footer__links a:hover {
  color: var(--brand);
  text-decoration: underline;
}

.footer p {
  margin: 0;
}