/**
 * 랜딩 페이지 스타일 — Wise 색상 토큰(tokens.css) 위에 Swiss/미니멀 레이아웃을 얹는다.
 *
 * 앱 화면(app.css)과 분리한 이유: 랜딩은 넓은 여백·큰 타이포의 마케팅 레이아웃이라
 * 밀도 높은 앱 UI와 규칙이 정반대다. 한 파일에 섞으면 서로를 계속 덮어쓰게 된다.
 */
@import "tokens.css";

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-canvas);
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
  /* 한국어는 단어 중간에서 끊기면 가독성이 크게 떨어진다 — 어절 단위로 줄바꿈한다. */
  word-break: keep-all;
  overflow-wrap: break-word;
}

a { color: inherit; }

/* 키보드 사용자가 지금 어디에 있는지 항상 보이게 한다 (포커스 링 제거 금지) */
:focus-visible {
  outline: 3px solid var(--color-ink);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* 스크린리더 전용 — 시각적으로만 숨긴다 */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: var(--space-lg); top: -100px; z-index: 200;
  background: var(--color-ink); color: var(--color-primary);
  padding: var(--space-md) var(--space-lg); border-radius: var(--radius-md);
  font-weight: 700; text-decoration: none;
}
.skip-link:focus { top: var(--space-lg); }

/* ------------------------------------------------------------------ 레이아웃 */
.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

section { padding: 96px 0; }
@media (max-width: 768px) { section { padding: 64px 0; } }

.section-sage { background: var(--color-canvas-soft); }
.section-ink { background: var(--color-ink); color: #fff; }

.eyebrow {
  display: inline-block;
  font-size: 13px; font-weight: 700; letter-spacing: 0.04em;
  color: var(--color-ink-deep);
  background: var(--color-primary-pale);
  padding: 6px 14px; border-radius: var(--radius-pill);
  margin-bottom: var(--space-lg);
}
.section-ink .eyebrow { background: rgba(159,232,112,0.16); color: var(--color-primary); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-lg);
}

.section-lead {
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.7;
  color: var(--color-body);
  margin: 0 0 var(--space-3xl);
  max-width: 62ch;
}
.section-ink .section-lead { color: rgba(255,255,255,0.72); }

.center { text-align: center; }
.center .section-lead { margin-left: auto; margin-right: auto; }

/* ------------------------------------------------------------------ 버튼 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-sm);
  /* 터치 타깃 최소 44px 확보 */
  min-height: 48px;
  padding: 0 var(--space-xl);
  border: none; border-radius: var(--radius-pill);
  font-family: var(--font-body); font-size: 16px; font-weight: 700;
  text-decoration: none; cursor: pointer;
  transition: background-color 200ms ease, transform 200ms ease, box-shadow 200ms ease;
}
.btn-primary {
  background: var(--color-primary); color: var(--color-on-primary);
  box-shadow: 0 2px 10px rgba(22,51,0,0.12);
}
.btn-primary:hover { background: var(--color-primary-active); transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--color-ink);
  box-shadow: inset 0 0 0 1.5px rgba(14,15,12,0.16);
}
.btn-ghost:hover { background: rgba(14,15,12,0.04); }
.section-ink .btn-ghost { color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,0.3); }
.section-ink .btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-sm { min-height: 44px; font-size: 14px; padding: 0 var(--space-lg); }

@media (prefers-reduced-motion: reduce) {
  .btn, .btn:hover { transition: none; transform: none; }
}

/* ------------------------------------------------------------------ 네비 */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(14,15,12,0.07);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.nav-brand {
  display: flex; align-items: center; gap: var(--space-sm);
  font-weight: 800; font-size: 17px; text-decoration: none;
  /* 포인터 타깃 최소 크기 확보 (WCAG 2.5.8) */
  min-height: 44px;
}
.nav-mark {
  width: 30px; height: 30px; border-radius: var(--radius-sm);
  background: var(--color-primary); color: var(--color-ink-deep);
  display: grid; place-items: center; font-weight: 900; font-size: 15px;
}
.nav-links { display: flex; align-items: center; gap: var(--space-xl); }
.nav-links a {
  font-size: 15px; font-weight: 600; color: var(--color-body);
  text-decoration: none; transition: color 150ms ease;
  display: inline-flex; align-items: center; min-height: 44px;
}
.nav-links a:hover { color: var(--color-ink); }
@media (max-width: 860px) {
  .nav-links a:not(.btn) { display: none; }
}

/* ------------------------------------------------------------------ 히어로 */
.hero { padding: 88px 0 96px; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 64px; align-items: center;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5.4vw, 58px);
  font-weight: 800; line-height: 1.18; letter-spacing: -0.03em;
  margin: 0 0 var(--space-xl);
  /* 제목이 한 단어만 남는 고아 줄을 방지 */
  text-wrap: balance;
}
.hero h1 .accent {
  background: linear-gradient(transparent 62%, var(--color-primary) 62%);
}
.hero-sub {
  font-size: clamp(16px, 1.8vw, 19px); line-height: 1.7;
  color: var(--color-body); margin: 0 0 var(--space-2xl); max-width: 52ch;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-md); }
/* ⚠️ 보조 문구에 --color-mute(#868685)를 쓰면 흰 배경에서 대비가 3.64:1 로
   WCAG AA(본문 4.5:1)에 미달한다(실측). 한 단계 진한 --color-body(9.37:1)를 쓰고,
   위계는 글자 크기로 준다. */
.hero-note {
  margin-top: var(--space-lg); font-size: 14px; color: var(--color-body);
  display: flex; align-items: center; gap: 6px;
}

/* 히어로 시각물 — 수집→검토→등록 파이프라인 목업 */
.pipeline {
  background: var(--color-canvas-soft);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: grid; gap: var(--space-md);
}
.pipe-card {
  background: #fff; border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 1px 3px rgba(14,15,12,0.06), 0 8px 24px rgba(14,15,12,0.04);
  display: flex; align-items: center; gap: var(--space-md);
}
.pipe-num {
  flex: 0 0 auto; width: 28px; height: 28px; border-radius: 50%;
  background: var(--color-ink); color: var(--color-primary);
  display: grid; place-items: center; font-size: 13px; font-weight: 800;
}
.pipe-body { min-width: 0; }
.pipe-title { font-size: 14px; font-weight: 700; margin: 0 0 2px; }
.pipe-desc { font-size: 13px; color: var(--color-body); margin: 0; line-height: 1.5; }
.pipe-arrow { display: grid; place-items: center; color: var(--color-mute); }

.flag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: var(--space-sm); }
.flag-chip {
  font-size: 11px; font-weight: 800; letter-spacing: 0.02em;
  background: var(--color-primary-pale); color: var(--color-ink-deep);
  padding: 4px 9px; border-radius: var(--radius-sm);
}

/* ------------------------------------------------------------------ 통계 바 */
.stat-bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  padding: var(--space-2xl) 0;
  border-top: 1px solid rgba(14,15,12,0.08);
  border-bottom: 1px solid rgba(14,15,12,0.08);
}
@media (max-width: 768px) { .stat-bar { grid-template-columns: repeat(2, 1fr); } }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.2vw, 34px); font-weight: 800;
  letter-spacing: -0.02em; margin: 0 0 2px;
}
.stat-label { font-size: 13px; color: var(--color-body); margin: 0; line-height: 1.5; }

/* ------------------------------------------------------------------ 카드 그리드 */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-xl); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--color-canvas);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: 0 1px 3px rgba(14,15,12,0.05), 0 10px 30px rgba(14,15,12,0.04);
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.card-hover:hover {
  transform: translateY(-3px);
  box-shadow: 0 2px 6px rgba(14,15,12,0.07), 0 16px 40px rgba(14,15,12,0.08);
}
@media (prefers-reduced-motion: reduce) {
  .card, .card-hover:hover { transition: none; transform: none; }
}
.section-sage .card { box-shadow: 0 1px 3px rgba(14,15,12,0.06); }

.card-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: var(--color-primary-pale); color: var(--color-ink-deep);
  display: grid; place-items: center; margin-bottom: var(--space-lg);
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 {
  font-size: 17px; font-weight: 800; margin: 0 0 var(--space-sm);
  line-height: 1.4;
}
.card p { font-size: 14px; line-height: 1.7; color: var(--color-body); margin: 0; }

/* 문제 제기 카드 — 부정적 톤이라 아이콘 색을 다르게 */
.card-problem .card-icon { background: #ffe9e9; color: var(--color-negative-deep); }

/* ------------------------------------------------------------------ 스텝 */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2xl); }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; gap: var(--space-xl); } }
.step-num {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 800;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--color-primary); color: var(--color-ink-deep);
  display: grid; place-items: center; margin-bottom: var(--space-lg);
}
.step h3 { font-size: 19px; font-weight: 800; margin: 0 0 var(--space-sm); }
.step p { font-size: 15px; line-height: 1.7; color: var(--color-body); margin: 0; }

/* ------------------------------------------------------------------ 대상 칩 */
.chips { display: flex; flex-wrap: wrap; gap: var(--space-sm); justify-content: center; }
.chip {
  font-size: 15px; font-weight: 600;
  background: var(--color-canvas); color: var(--color-ink);
  padding: 10px 18px; border-radius: var(--radius-pill);
  box-shadow: 0 1px 3px rgba(14,15,12,0.06);
}

/* ------------------------------------------------------------------ 가격 */
.price-card {
  max-width: 460px; margin: 0 auto;
  background: var(--color-canvas);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-2xl);
  box-shadow: 0 16px 48px rgba(14,15,12,0.08);
  text-align: left;
}
.price-badge {
  display: inline-block; font-size: 12px; font-weight: 800;
  background: var(--color-primary); color: var(--color-ink-deep);
  padding: 5px 12px; border-radius: var(--radius-pill);
  margin-bottom: var(--space-lg);
}
.price-amount {
  font-family: var(--font-display);
  font-size: 46px; font-weight: 800; letter-spacing: -0.03em;
  margin: 0; line-height: 1.1;
}
.price-amount span { font-size: 17px; font-weight: 600; color: var(--color-body); }
.price-trial { font-size: 15px; color: var(--color-body); margin: var(--space-sm) 0 var(--space-xl); }
.price-list { list-style: none; padding: 0; margin: 0 0 var(--space-2xl); display: grid; gap: var(--space-md); }
.price-list li {
  display: flex; align-items: flex-start; gap: var(--space-sm);
  font-size: 15px; line-height: 1.6; color: var(--color-body);
}
.price-list svg { flex: 0 0 auto; width: 18px; height: 18px; color: var(--color-positive); margin-top: 2px; }
.price-card .btn { width: 100%; }

/* ------------------------------------------------------------------ FAQ */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: var(--space-md); }
.faq details {
  background: var(--color-canvas);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 3px rgba(14,15,12,0.06);
  overflow: hidden;
}
.faq summary {
  cursor: pointer; list-style: none;
  padding: var(--space-xl);
  font-size: 16px; font-weight: 700; line-height: 1.5;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg);
  transition: background-color 150ms ease;
}
.faq summary:hover { background: rgba(14,15,12,0.02); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: 0 0 auto;
  width: 10px; height: 10px;
  border-right: 2px solid var(--color-mute);
  border-bottom: 2px solid var(--color-mute);
  transform: rotate(45deg); margin-top: -4px;
  transition: transform 200ms ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: 4px; }
@media (prefers-reduced-motion: reduce) {
  .faq summary, .faq summary::after { transition: none; }
}
.faq .faq-body {
  padding: 0 var(--space-xl) var(--space-xl);
  font-size: 15px; line-height: 1.75; color: var(--color-body); margin: 0;
}

/* ------------------------------------------------------------------ 마무리 CTA */
.final-cta { text-align: center; }
.final-cta .section-title { color: #fff; }
.final-cta .hero-cta { justify-content: center; }

/* ------------------------------------------------------------------ 푸터 */
.footer {
  background: var(--color-ink); color: rgba(255,255,255,0.62);
  padding: var(--space-3xl) 0;
  font-size: 14px;
}
.footer-inner {
  display: flex; flex-wrap: wrap; gap: var(--space-xl);
  align-items: center; justify-content: space-between;
}
.footer a {
  color: rgba(255,255,255,0.78); text-decoration: none; transition: color 150ms ease;
  /* 인라인 링크도 눌러야 하므로 세로 여백으로 타깃을 키운다 */
  display: inline-flex; align-items: center; min-height: 32px;
}
.footer a:hover { color: #fff; text-decoration: underline; }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-lg); }

/* ------------------------------------------------------------------ 스크롤 등장 */
/* 기본은 보이는 상태 — JS 가 꺼져 있어도 콘텐츠가 사라지지 않게 한다. */
.reveal { opacity: 1; }
.js .reveal {
  opacity: 0; transform: translateY(12px);
  transition: opacity 380ms ease-out, transform 380ms ease-out;
}
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}