/* ==========================================================================
   Wecha (wecha.kr) — 공통 스타일시트
   순수 정적 / 빌드 없음 / 외부 CSS 프레임워크 없음
   디자인 토큰: 위차(Wecha) 브랜드 — docs/claude_design_brief.html + apps/wecha-app/src/theme/tokens.ts
   UC Lime #C3F53E / Lime Deep #A8E024 / Lime Shade #4E6E15 / Ink #0A0A0A
   Paper #FFFFFF / Paper Soft #F4F4F0 / 마크 그린 #15603A
   대비 원칙: 라임은 잉크·그린 표면 위 또는 큰 fill 에서만. 페이퍼 위 라임 톤 텍스트 = Lime Shade.
   ========================================================================== */

:root {
  /* 브랜드 컬러 — 위차 (임의 변경 금지) */
  --lime-bright: #C3F53E;   /* UC Lime — 잉크/그린 위 강조 */
  --lime: #A8E024;          /* Lime Deep — 버튼·심볼 메인 */
  --lime-dark: #8FBE1F;     /* 버튼 hover */
  --lime-shade: #4E6E15;    /* 페이퍼 위 라임 톤 텍스트 (WCAG AA) */
  --lime-soft: #F2FCD4;     /* 라임 연한 fill */
  --green: #15603A;         /* 마크 그린 — 다크 밴드·스플래시 배경 */
  --green-deep: #0C3F25;    /* 그린 그라데이션 끝 */
  --red: #DC2626;           /* status danger */

  /* 호환 별칭 (구 변수명 → 위차 팔레트) */
  --navy: #0A0A0A;          /* 제목·강조 = Ink */
  --navy-700: #1C1C1A;
  --navy-900: #0A0A0A;      /* 푸터 = Ink */
  --teal: #4E6E15;          /* 본문 링크·악센트 = Lime Shade */
  --teal-600: #3E570F;

  /* 중립 — Paper 계열 */
  --ink: #0A0A0A;
  --slate: #55554F;
  --muted: #9A9A92;
  --line: #E5E5DE;
  --line-soft: #ECECE6;
  --bg: #ffffff;
  --bg-soft: #F4F4F0;
  --bg-mute: #E8E8E2;
  --white: #ffffff;

  /* 타이포 */
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
    system-ui, "Segoe UI", Roboto, "Malgun Gothic", "맑은 고딕", sans-serif;

  /* 레이아웃 */
  --maxw: 1120px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(10, 10, 10, .05), 0 1px 3px rgba(10, 10, 10, .04);
  --shadow: 0 10px 30px rgba(10, 10, 10, .08);
  --shadow-lg: 0 24px 60px rgba(10, 10, 10, .14);
  --nav-h: 64px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { color: var(--navy); line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(1.9rem, 4.4vw, 3.1rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 800; }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); font-weight: 700; }
p { margin: 0 0 1rem; color: var(--slate); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- 유틸 ---------- */
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .04em;
  color: var(--teal); text-transform: uppercase; margin-bottom: 14px;
}
.lead { font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: var(--slate); max-width: 46ch; }
.text-center { text-align: center; }
.muted { color: var(--muted); }
.section { padding: clamp(56px, 8vw, 100px) 0; }
.section--soft { background: var(--bg-soft); }
.section--navy { background: linear-gradient(160deg, var(--green) 0%, var(--green-deep) 100%); color: #DCECE0; }
.section--navy h2, .section--navy h3 { color: #fff; }
.section--navy p { color: #C2DCC9; }
.section-head { max-width: 60ch; margin: 0 auto clamp(34px, 5vw, 56px); }
.section-head.left { margin-left: 0; }

/* ---------- 버튼 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  font-family: inherit; font-weight: 700; font-size: .98rem; line-height: 1;
  padding: 14px 22px; border-radius: var(--radius-sm); border: 1px solid transparent;
  cursor: pointer; transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--lime); color: var(--ink); box-shadow: 0 6px 18px rgba(168, 224, 36, .35); }
.btn--primary:hover { background: var(--lime-dark); }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: var(--navy-700); }
.btn--ghost { background: #fff; color: var(--ink); border-color: var(--line-strong, #CFCFC6); box-shadow: var(--shadow-sm); }
.btn--ghost:hover { border-color: #9A9A92; }
.btn--lg { padding: 16px 28px; font-size: 1.04rem; }
.btn--block { width: 100%; }

/* ---------- 내비게이션 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50; height: var(--nav-h);
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.nav__inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; color: var(--navy); font-size: 1.22rem; letter-spacing: -.03em; }
.brand:hover { text-decoration: none; }
.brand__mark { width: 30px; height: 30px; display: inline-block; }
img.brand__mark { object-fit: contain; border-radius: 0; }
.brand__word { display: inline-flex; }
.brand__wi { color: var(--lime); }
.brand__cha { color: var(--ink); }
.footer .brand__wi { color: var(--lime-bright); }
.footer .brand__cha { color: #fff; }
.brand__sub { font-size: .68rem; font-weight: 600; color: var(--muted); letter-spacing: 0; margin-left: 2px; }
.nav__links { display: flex; align-items: center; gap: 26px; }
.nav__links a { color: var(--slate); font-weight: 600; font-size: .96rem; }
.nav__links a:hover { color: var(--navy); text-decoration: none; }
.nav__cta { display: flex; align-items: center; gap: 12px; }
.nav__toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 4px 0; border-radius: 2px; transition: .2s; }

/* ---------- 히어로 ---------- */
.hero { position: relative; overflow: hidden; background: var(--bg); padding: clamp(54px, 8vw, 96px) 0 clamp(48px, 7vw, 88px); }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(60% 70% at 88% -10%, rgba(168, 224, 36, .16), transparent 60%),
    radial-gradient(50% 60% at 6% 0%, rgba(21, 96, 58, .08), transparent 55%);
}
.hero__inner { position: relative; z-index: 1; max-width: 760px; }
.hero h1 { margin-bottom: 18px; }
.hero .lead { max-width: 54ch; font-size: clamp(1.05rem, 1.8vw, 1.25rem); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero__note { margin-top: 18px; font-size: .9rem; color: var(--muted); }

/* ---------- 분기 카드 (단지 / 입주민) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.branch {
  position: relative; border-radius: var(--radius); padding: 30px 28px; overflow: hidden;
  border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.branch:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--lime); text-decoration: none; }
.branch h3 { margin-bottom: 8px; }
.branch p { margin-bottom: 16px; }
.branch__tag { font-size: .78rem; font-weight: 700; letter-spacing: .03em; color: var(--teal); text-transform: uppercase; }
.branch__arrow { font-weight: 700; color: var(--navy); }

/* ---------- 카드 그리드 ---------- */
.grid { display: grid; gap: 20px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; box-shadow: var(--shadow-sm);
}
.card h3 { font-size: 1.18rem; margin-bottom: 8px; }
.card p { margin-bottom: 0; font-size: .98rem; }
.card__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 9px; margin-bottom: 14px;
  background: var(--lime-soft); color: var(--lime-shade); font-weight: 800; font-size: .95rem;
}
.section--navy .card { background: rgba(255, 255, 255, .04); border-color: rgba(255, 255, 255, .12); }
.section--navy .card h3 { color: #fff; }
.section--navy .card p { color: #B5D4BD; }
.section--navy .card__num { background: rgba(255, 255, 255, .10); color: #fff; }

/* ---------- 통계 스트립 ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.stat { text-align: center; }
.stat__v { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 800; color: var(--navy); letter-spacing: -.02em; }
.section--navy .stat__v { color: #fff; }
.stat__l { font-size: .92rem; color: var(--muted); }
.section--navy .stat__l { color: #9CC2A6; }

/* ---------- 절차(스텝) ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.step { padding: 22px 20px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.step__n { font-weight: 800; color: var(--teal); font-size: .85rem; letter-spacing: .05em; margin-bottom: 8px; }
.step h4 { color: var(--navy); margin: 0 0 6px; font-size: 1.05rem; }
.step p { margin: 0; font-size: .92rem; }

/* ---------- 체크 리스트 ---------- */
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 30px; color: var(--slate); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--lime-shade); -webkit-mask: center/12px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E");
  mask: center/12px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E");
}

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 4px 20px; margin-bottom: 12px; background: #fff; }
.faq summary { cursor: pointer; font-weight: 700; color: var(--navy); padding: 16px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.3rem; color: var(--teal); font-weight: 600; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 16px; }

/* ---------- CTA 밴드 ---------- */
.cta-band { text-align: center; }
.cta-band h2 { margin-bottom: 12px; }
.cta-band .lead { margin: 0 auto 26px; }
.cta-band .hero__actions { justify-content: center; }

/* ---------- 폼 ---------- */
.form-wrap { max-width: 640px; margin: 0 auto; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 4vw, 38px); box-shadow: var(--shadow); }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 700; color: var(--navy); font-size: .92rem; margin-bottom: 7px; }
.field .req { color: var(--red); }
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: 1rem; color: var(--ink);
  padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; transition: border-color .12s ease, box-shadow .12s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--lime); box-shadow: 0 0 0 3px rgba(168, 224, 36, .28);
}
.field textarea { resize: vertical; min-height: 130px; }
.field--hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { display: flex; align-items: flex-start; gap: 10px; font-size: .9rem; color: var(--slate); }
.consent input { width: auto; margin-top: 4px; }
.form-msg { margin-top: 16px; padding: 14px 16px; border-radius: var(--radius-sm); font-size: .94rem; display: none; }
.form-msg.is-ok { display: block; background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.form-msg.is-err { display: block; background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ---------- 문서(본문 텍스트) ---------- */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { font-size: 1.4rem; margin-top: 2em; }
.prose h3 { font-size: 1.1rem; margin-top: 1.6em; }
.prose ul { padding-left: 1.2em; color: var(--slate); }
.prose li { margin-bottom: .4em; }
.prose table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: .94rem; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--bg-mute); color: var(--navy); }

/* ---------- 푸터 ---------- */
.footer { background: var(--ink); color: #B9B9B0; padding: 56px 0 36px; font-size: .9rem; }
.footer a { color: #D6D6CD; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,.10); }
.footer__brand { color: #fff; font-weight: 800; font-size: 1.2rem; margin-bottom: 10px; display: inline-flex; align-items: center; gap: 9px; }
.footer__col h4 { color: #fff; font-size: .92rem; margin-bottom: 12px; }
.footer__col a { display: block; margin-bottom: 8px; color: #B9B9B0; }
.footer__col a:hover { color: #fff; }
.footer__legal { padding-top: 22px; color: #8C8C84; line-height: 1.9; font-size: .82rem; }
.footer__legal .placeholder { color: #D9A0A0; }
.badge-soft { display: inline-block; padding: 3px 9px; border-radius: 6px; background: rgba(255,255,255,.08); font-size: .76rem; margin-top: 8px; }

/* ---------- 진입 애니메이션 ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 반응형 ---------- */
@media (max-width: 900px) {
  .grid--3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav__links, .nav__cta .btn { display: none; }
  .nav__toggle { display: block; }
  .nav[data-open="true"] .nav__links {
    display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
    position: absolute; top: var(--nav-h); left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--line); padding: 12px 22px 18px; box-shadow: var(--shadow);
  }
  .nav[data-open="true"] .nav__links a { padding: 10px 0; width: 100%; }
  .split, .grid--2, .grid--3, .stats { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
}

/* ==========================================================================
   v1.1 디자인 보강 (2026-06-06)
   - 브랜드 마크 볼트 글리프, 히어로 도트 패턴, 카드 호버, CTA 밴드,
     모바일 메뉴 CTA, 내비 활성 표시, 핵심 수치 스트립, 포커스 링
   ========================================================================== */


/* 히어로: 은은한 도트 그리드 */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(rgba(21, 96, 58, .12) 1px, transparent 1.6px);
  background-size: 26px 26px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.8), transparent 75%);
  mask-image: linear-gradient(180deg, rgba(0,0,0,.8), transparent 75%);
}

/* 카드·스텝 호버 리프트 */
.card, .step { transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.card:hover, .step:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: #CFCFC6; }
.section--navy .card:hover { border-color: rgba(255,255,255,.22); box-shadow: none; }

/* 흰 배경 CTA 밴드: 패널형 강조 */
.cta-band:not(.section--navy) { padding-top: 0; }
.cta-band:not(.section--navy) .container {
  background:
    radial-gradient(70% 120% at 85% 0%, rgba(168, 224, 36, .18), transparent 60%),
    linear-gradient(160deg, var(--bg-soft), #fff 70%);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(40px, 6vw, 64px) clamp(24px, 5vw, 56px);
  box-shadow: var(--shadow-sm);
}

/* 핵심 수치 스트립 */
.stats-band { padding: 0 0 clamp(40px, 6vw, 72px); }
.stats-band .stats {
  border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
  padding: clamp(28px, 4vw, 44px) 0;
}
.stat__l { max-width: 30ch; margin: 6px auto 0; }

/* 내비: 현재 페이지 표시 */
.nav__links a[aria-current="page"] { color: var(--navy); }
.nav__links a[aria-current="page"]::after {
  content: ""; display: block; height: 2px; border-radius: 2px;
  background: var(--teal); margin-top: 2px;
}

/* 모바일 메뉴 CTA (데스크톱 숨김) */
.nav__mcta { display: none; }
@media (max-width: 720px) {
  .nav[data-open="true"] .nav__links .nav__mcta {
    display: inline-flex; width: 100%; margin-top: 10px; padding: 13px 18px;
  }
}

/* FAQ 호버 */
.faq details { transition: border-color .12s ease; }
.faq details:hover { border-color: #CFCFC6; }

/* 접근성: 키보드 포커스 링 */
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(168, 224, 36, .8); outline-offset: 2px; border-radius: 6px;
}

/* 스크롤 앵커 여백 (고정 내비 보정) */
[id] { scroll-margin-top: calc(var(--nav-h) + 12px); }