/* ============================================================
   웨이팅랩 랜딩 스타일 (초안)
   기준: design/style-guide.md 디자인 토큰 · wireframe.md 섹션 순서
   원칙: 모바일 우선, 본문 16px+, 대비 AA 목표, 터치 44px+
   ============================================================ */

/* ---------- 디자인 토큰 (style-guide.md 8번) ---------- */
:root {
  --color-primary: #1F6F5C;
  --color-primary-dark: #12352C;
  --color-secondary: #E7F0EC;
  --color-accent: #C74A19;        /* Primary CTA — 흰 텍스트 4.75:1 (AA) */
  --color-accent-hover: #B74417;  /* CTA hover — 5.45:1 */
  --color-accent-pressed: #AB4015;/* CTA pressed */
  --color-accent-soft: #F6A609;   /* 웜 앰버 — 어두운 배경 전용(흰 배경 텍스트 금지) */
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F7F6;
  --color-border: #DCE3E0;
  --color-border-strong: #7D8C85; /* 폼 입력 테두리 — 흰 배경 3.52:1 (1.4.11) */
  --color-text: #1A1F1D;
  --color-text-muted: #5F6B66;
  --color-success: #2E9E6B;
  --color-warning: #C77700;       /* 배지 배경·아이콘 전용 */
  --color-warning-text: #8F5500;  /* 밝은 배경 위 텍스트용 앰버 — 6.06:1 */

  --font-sans: "Pretendard", system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --fs-display: 2.25rem;   /* 36px */
  --fs-h1: 1.75rem;        /* 28px */
  --fs-h2: 1.375rem;       /* 22px */
  --fs-h3: 1.125rem;       /* 18px */
  --fs-body-l: 1.125rem;   /* 18px */
  --fs-body: 1rem;         /* 16px 최소 */
  --fs-caption: 0.875rem;  /* 14px */
  --lh-body: 1.6;
  --lh-heading: 1.3;

  --radius-btn: 12px;
  --radius-card: 16px;
  --tap-min: 44px;
  --btn-height: 48px;

  --maxw: 1080px;
  --gap: 1rem;
}

/* ---------- 리셋/기본 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--color-primary); }
h1, h2, h3 { line-height: var(--lh-heading); margin: 0 0 .5em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* 키보드 포커스 링 (접근성) */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 버튼 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: var(--btn-height); padding: 0 1.25rem;
  border-radius: var(--radius-btn); font-weight: 600; font-size: var(--fs-body);
  text-decoration: none; cursor: pointer; border: 2px solid transparent;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn-sm { min-height: 40px; padding: 0 .9rem; font-size: var(--fs-caption); }
.btn-lg { min-height: 52px; padding: 0 1.5rem; font-size: var(--fs-body-l); }
.btn-block { display: flex; width: 100%; margin-top: .5rem; }

.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-hover); }
.btn-primary:active { background: var(--color-accent-pressed); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-secondary); }

/* ---------- 상단 바 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 60px; }
.brand { display: inline-flex; align-items: center; gap: .5rem; text-decoration: none; color: var(--color-primary-dark); font-weight: 700; }
.brand-mark {
  display: inline-flex; align-items: center;
  width: 32px; height: 32px;
}
.brand-mark svg { width: 100%; height: 100%; display: block; }
.brand-name { font-size: var(--fs-h3); }

.nav { display: none; align-items: center; gap: 1.25rem; }
.nav a { text-decoration: none; color: var(--color-text); font-weight: 500; }
.nav a:hover { color: var(--color-primary); }

.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: var(--tap-min); height: var(--tap-min); background: none; border: 0; cursor: pointer;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--color-text); margin: 0 auto; transition: .2s; }

/* 모바일 메뉴 열림 상태 */
.nav.open {
  display: flex; flex-direction: column; align-items: stretch; gap: .25rem;
  position: absolute; left: 0; right: 0; top: 60px;
  background: #fff; border-bottom: 1px solid var(--color-border);
  padding: .75rem 1.25rem 1rem;
}
.nav.open a { padding: .75rem .25rem; min-height: var(--tap-min); display: flex; align-items: center; }
.nav.open .btn { justify-content: center; }

/* ---------- 섹션 공통 ---------- */
.section { padding: 3.25rem 0; }
.section-alt { background: var(--color-bg-alt); }
.section-title { font-size: var(--fs-h1); color: var(--color-primary-dark); }
.section-lead { font-size: var(--fs-body-l); color: var(--color-text-muted); margin: 0 0 1.75rem; }

/* ---------- 히어로 ---------- */
.hero { background: linear-gradient(180deg, var(--color-secondary), #fff); padding: 2.5rem 0 3rem; }
.hero-inner { display: grid; gap: 2rem; }
.hero-title { font-size: var(--fs-display); color: var(--color-primary-dark); word-break: keep-all; }
.hero-sub { font-size: var(--fs-body-l); color: var(--color-text); margin: 0 0 1.5rem; }
.hero-actions { display: flex; flex-direction: column; gap: .75rem; }
.hero-badges { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 1.5rem 0 0; }

.badge { display: inline-flex; align-items: center; gap: .35rem; padding: .35rem .7rem; border-radius: 999px; font-size: var(--fs-caption); font-weight: 600; }
.badge::before { content: "●"; font-size: .6em; }
.badge-primary { background: var(--color-secondary); color: var(--color-primary-dark); }
.badge-success { background: #E4F4EC; color: #1C7A4F; }

.hero-visual { display: grid; }
.hero-art { border-radius: var(--radius-card); overflow: hidden; box-shadow: 0 2px 12px rgba(18,53,44,.08); }
.hero-art svg { width: 100%; height: auto; display: block; }

/* ---------- 서비스 카드 ---------- */
.card-grid { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--gap); }
.card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card);
  padding: 1.5rem; box-shadow: 0 1px 3px rgba(18,53,44,.08), 0 1px 2px rgba(18,53,44,.04);
}
.card-icon { color: var(--color-primary); line-height: 0; display: inline-block; } /* 아이콘: Lucide (ISC) */
.card-title { font-size: var(--fs-h3); color: var(--color-primary-dark); margin-top: .5rem; }
.card-desc { margin: 0 0 .75rem; color: var(--color-text); }
.card-benefit { margin: 0; color: var(--color-primary); font-weight: 600; }

/* ---------- 신뢰·정책준수 ---------- */
.trust-list { list-style: none; padding: 0; margin: 0 0 2rem; display: grid; gap: 1rem; }
.trust-item { display: flex; gap: .75rem; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 1.25rem; box-shadow: 0 1px 3px rgba(18,53,44,.08), 0 1px 2px rgba(18,53,44,.04); }
.trust-check { flex: 0 0 auto; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--color-success); color: #fff; font-weight: 700; }
.trust-h { font-size: var(--fs-h3); margin: 0 0 .25rem; color: var(--color-primary-dark); }
.trust-item p { margin: 0; color: var(--color-text-muted); }

.report-mock { margin: 0 0 1rem; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 1.25rem; }
.report-cap { font-weight: 600; color: var(--color-primary-dark); margin-bottom: .75rem; }
.report-rows { display: grid; gap: .5rem; }
.report-row { display: flex; justify-content: space-between; padding: .6rem .25rem; border-bottom: 1px solid var(--color-border); }
.report-row:last-child { border-bottom: 0; }
.report-val { font-weight: 700; color: var(--color-primary); }
.report-val small, .disclaimer { color: var(--color-text-muted); font-weight: 400; }
.disclaimer { font-size: var(--fs-caption); margin: 0; }

.tag { display: inline-block; font-size: var(--fs-caption); font-weight: 600; color: var(--color-warning-text); background: #FBF0DC; border-radius: 6px; padding: .1rem .4rem; vertical-align: middle; }

/* ---------- 후기 ---------- */
.review-grid { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--gap); }
.review-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 1.5rem; box-shadow: 0 1px 3px rgba(18,53,44,.08), 0 1px 2px rgba(18,53,44,.04); }
.review-stars { color: var(--color-warning-text); margin: 0 0 .5rem; letter-spacing: 2px; }
.review-text { margin: 0 0 .75rem; }
.review-who { margin: 0; color: var(--color-text-muted); font-size: var(--fs-caption); }

/* ---------- 최종 CTA + 폼 ---------- */
.cta-band { background: var(--color-primary-dark); }
.cta-band .section-title { color: #fff; }
.cta-band .section-lead { color: #D7E3DE; }
.cta-inner { display: grid; gap: 1.5rem; }
.lead-form { background: #fff; border-radius: var(--radius-card); padding: 1.5rem; display: grid; gap: 1rem; }
.field { display: grid; gap: .35rem; }
.field label { font-weight: 600; }
.field input {
  min-height: var(--btn-height); padding: 0 .9rem; font-size: var(--fs-body);
  border: 1px solid var(--color-border-strong); border-radius: 10px; font-family: inherit;
}
.field textarea {
  padding: .6rem .9rem; font-size: var(--fs-body); font-family: inherit;
  border: 1px solid var(--color-border-strong); border-radius: 10px; resize: vertical; min-height: 84px;
}
.field input:focus, .field textarea:focus { border-color: var(--color-primary); outline: none; }
.optional { color: var(--color-text-muted); font-weight: 400; font-size: var(--fs-caption); }

/* honeypot: 화면·스크린리더에서 숨김(봇만 채움) */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { display: flex; align-items: flex-start; gap: .5rem; font-size: var(--fs-body); color: var(--color-text-muted); }
.consent input { width: 20px; height: 20px; margin-top: 2px; }
.consent .link { color: var(--color-primary); }
.form-note { margin: 0; font-size: var(--fs-body); min-height: 1.2em; color: var(--color-primary); font-weight: 600; }

/* ---------- 푸터 ---------- */
.site-footer { background: var(--color-primary-dark); color: #C6D3CE; padding: 2.5rem 0 1.5rem; }
.footer-inner { display: grid; gap: 1.25rem; }
.footer-brand { font-weight: 700; color: #fff; font-size: var(--fs-h3); margin: 0 0 .25rem; }
.footer-desc { margin: 0; }
.footer-biz { font-style: normal; line-height: 1.8; font-size: var(--fs-caption); }
.footer-links { display: flex; gap: 1rem; }
.footer-links a { color: #C6D3CE; }
.footer-copy { text-align: center; font-size: var(--fs-caption); color: #9BB0A9; margin: 1.5rem 0 0; }

/* ---------- 모바일 하단 고정 CTA ---------- */
.mobile-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  display: flex; gap: .5rem;
  padding: .6rem .9rem calc(.6rem + env(safe-area-inset-bottom, 0px));
  background: rgba(255,255,255,.97); border-top: 1px solid var(--color-border);
  backdrop-filter: blur(6px);
  box-shadow: 0 -2px 12px rgba(18,53,44,.08);
}
.mobile-cta .btn { flex: 1; margin: 0; }
/* 폼 섹션이 보일 때 JS가 부여 → 제출 버튼·푸터를 가리지 않도록 숨김 */
.mobile-cta.is-hidden { display: none; }

/* ============================================================
   반응형 (모바일 우선 → 확장)
   ============================================================ */
@media (min-width: 640px) {
  .hero-actions { flex-direction: row; align-items: center; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; align-items: start; }
}

@media (min-width: 768px) {
  :root { --fs-display: 2.75rem; --fs-h1: 2rem; }
  .nav { display: flex; }
  .nav-toggle { display: none; }
  .review-grid { grid-template-columns: repeat(3, 1fr); }
  .mobile-cta { display: none; } /* 데스크톱은 헤더 CTA 사용 */
}

@media (min-width: 1024px) {
  .hero-inner { grid-template-columns: 1.1fr .9fr; align-items: center; }
  .card-grid { grid-template-columns: repeat(4, 1fr); }
  .trust-list { grid-template-columns: repeat(3, 1fr); }
  .cta-inner { grid-template-columns: 1fr 1fr; align-items: center; }
}

/* 모션 최소화 존중 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}