/* KAITRUST GAV — 공통 스타일
   kaitrust.ai 디자인 토큰 계승(딥네이비 + 시안 액센트), 자체 완결형.
   텍스트를 이미지에 굽지 않는다. 시맨틱 HTML 유지. */

:root {
  --navy-900: #0b1220;
  --navy-800: #111c33;
  --navy-700: #1b2942;
  --navy-600: #27374f;
  --line:     #22314b;

  --ink:      #e8eef8;
  --ink-mute: #9fb0c9;
  --ink-dim:  #6f8099;

  --accent:      #38bdf8;
  --accent-deep: #0ea5e9;
  --accent-soft: rgba(56, 189, 248, 0.12);
  --warn:        #fbbf24;
  --ok:          #34d399;

  --radius: 14px;
  --radius-sm: 9px;
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo",
          "Noto Sans KR", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  background: var(--navy-900);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

/* ── 헤더 ─────────────────────────────────────────────── */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 18, 32, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.head-in {
  max-width: var(--maxw); margin: 0 auto; padding: 13px 22px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.brand { display: flex; flex-direction: column; line-height: 1.25; }
.brand a { color: var(--ink); text-decoration: none; }
/* 워드마크 투톤 (추가지시-A5, 2026-08-17).
   "KAITRUST" 는 한 단어다 — span 경계만 있고 문자 사이 공백은 없다.
   띄어쓰기(KAI TRUST) 절대 금지: KAI=한국항공우주산업 혼동, TRUST 단독=금융신탁 오독.
   금색은 같은 웜골드 집안의 명도 단계 중 **다크 배경용**(#d0a34a)을 쓴다 — 인쇄물
   워드마크는 #8a6a2f 이고, 이 값을 이 배경(#0b1220)에 쓰면 명암비 3.73:1 로 WCAG AA
   (4.5:1) 미달이다. #d0a34a 는 실측 8.04:1(AAA). **인쇄물에 3단을 쓰지 말 것.**
   자간은 워드마크에만 준다(본문 적용 금지). */
.brand-mark { font-weight: 800; font-size: 1.06rem; letter-spacing: 0.06em; }
.brand-mark .gav { color: var(--accent); }
.brand-mark .wm-kai { color: #d0a34a; }
.brand-sub { font-size: 0.7rem; color: var(--ink-dim); letter-spacing: 0.02em; }

.site-nav { display: flex; gap: 5px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.site-nav a {
  color: var(--ink-mute); padding: 7px 11px; border-radius: var(--radius-sm);
  font-size: 0.9rem; text-decoration: none;
}
.site-nav a:hover { background: var(--navy-700); color: var(--ink); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); }

.btn {
  display: inline-block; padding: 10px 19px; border-radius: var(--radius-sm);
  background: var(--accent-deep); color: #04121e !important; font-weight: 700;
  font-size: 0.92rem; border: 0; cursor: pointer; text-decoration: none;
  font-family: inherit;
}
.btn:hover { background: var(--accent); text-decoration: none; }
.btn-ghost {
  background: transparent; color: var(--ink) !important;
  border: 1px solid var(--navy-600);
}
.btn-ghost:hover { background: var(--navy-700); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.lang-btn {
  background: transparent; border: 1px solid var(--navy-600); color: var(--ink-mute);
  padding: 6px 12px; border-radius: var(--radius-sm); cursor: pointer;
  font-size: 0.84rem; font-family: inherit;
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── 섹션 공통 ────────────────────────────────────────── */
section { padding: 64px 0; }
section + section { border-top: 1px solid var(--line); }

h1 { font-size: clamp(1.9rem, 4.6vw, 3rem); line-height: 1.22; margin: 0 0 18px;
     letter-spacing: -0.02em; font-weight: 800; }
h2 { font-size: clamp(1.35rem, 2.7vw, 1.9rem); margin: 0 0 14px;
     letter-spacing: -0.01em; font-weight: 750; }
h3 { font-size: 1.08rem; margin: 0 0 9px; font-weight: 700; }

.lead { color: var(--ink-mute); font-size: 1.06rem; max-width: 68ch; margin: 0 0 26px; }
.muted { color: var(--ink-mute); }
.small { font-size: 0.86rem; }
.tiny  { font-size: 0.79rem; color: var(--ink-dim); }

/* ── 히어로 ───────────────────────────────────────────── */
.hero {
  padding: 84px 0 70px;
  background:
    radial-gradient(1100px 460px at 18% -12%, rgba(56,189,248,0.16), transparent 62%),
    radial-gradient(760px 380px at 92% 8%, rgba(14,165,233,0.10), transparent 60%);
}
.hero p.lead { font-size: 1.14rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

/* ── 카드 ─────────────────────────────────────────────── */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); }

.card {
  background: var(--navy-800); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px;
}
.card h3 { color: var(--ink); }
.card p { color: var(--ink-mute); margin: 0 0 10px; }

.track-card { display: flex; flex-direction: column; }
.track-card.d { border-color: rgba(251, 191, 36, 0.28); }
.track-card.g { border-color: rgba(56, 189, 248, 0.28); }
.badge {
  display: inline-block; align-self: flex-start; font-size: 0.71rem; font-weight: 800;
  letter-spacing: 0.09em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 999px; margin-bottom: 11px;
}
.track-card.d .badge { background: rgba(251,191,36,0.14); color: var(--warn); }
.track-card.g .badge { background: var(--accent-soft); color: var(--accent); }

.note-box {
  background: var(--navy-700); border-left: 3px solid var(--warn);
  padding: 13px 16px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.88rem; color: var(--ink-mute); margin: 4px 0 16px;
}
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li {
  padding: 7px 0 7px 25px; position: relative;
  color: var(--ink-mute); font-size: 0.93rem;
}
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 7px;
  color: var(--accent); font-weight: 800;
}

.steps { counter-reset: step; }
.step-card { position: relative; }
.step-card .step-n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  font-weight: 800; font-size: 0.9rem; margin-bottom: 11px;
}

/* ── 심사기준 ─────────────────────────────────────────── */
.crit-block { margin-bottom: 34px; }
.crit-block h2 { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.crit-block h2 .qual { font-size: 0.82rem; font-weight: 500; color: var(--ink-dim); }
.crit-item {
  background: var(--navy-800); border: 1px solid var(--line);
  border-left: 3px solid var(--accent-deep);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 15px 19px; margin-bottom: 11px;
  color: var(--ink-mute); font-size: 0.94rem;
}
.crit-item.gav-only { border-left-color: var(--warn); }
.fail-item { border-left-color: #f87171; }

/* ── 가격 ─────────────────────────────────────────────── */
.price-card {
  background: var(--navy-800); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 40px 34px; text-align: center;
  max-width: 520px; margin: 0 auto;
}
.price-anchor {
  font-size: 1.2rem; color: var(--ink-dim); text-decoration: line-through;
  display: block; margin-bottom: 3px;
}
.price-anchor-label { font-size: 0.76rem; color: var(--ink-dim); display: block; }
.price-now {
  font-size: 3.1rem; font-weight: 800; color: var(--ink);
  letter-spacing: -0.03em; line-height: 1.15; margin: 10px 0 2px;
}
.price-plan {
  display: inline-block; font-size: 0.82rem; font-weight: 700; color: var(--accent);
  background: var(--accent-soft); padding: 4px 13px; border-radius: 999px;
  margin-bottom: 14px;
}
.price-unit { font-size: 0.86rem; color: var(--ink-dim); }
.price-note { font-size: 0.88rem; color: var(--ink-mute); margin: 16px 0 0; }
.price-end { font-size: 0.84rem; color: var(--ink-mute); margin: 9px 0 0; }
.price-footnote {
  font-size: 0.79rem; color: var(--ink-dim); margin-top: 22px;
  padding-top: 17px; border-top: 1px solid var(--line); text-align: left;
}

.fx-widget {
  background: var(--navy-800); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 15px 19px;
  font-size: 0.85rem; color: var(--ink-mute); max-width: 520px; margin: 26px auto 0;
}
.fx-widget .fx-rate { color: var(--ink); font-weight: 700; }

/* ── 폼 ───────────────────────────────────────────────── */
.form-step { display: none; }
.form-step.active { display: block; }

.field { margin-bottom: 19px; }
.field label { display: block; font-size: 0.88rem; font-weight: 650; margin-bottom: 6px; }
.field .req { color: var(--accent); margin-left: 3px; }
.field .hint { font-size: 0.79rem; color: var(--ink-dim); margin-top: 5px; }

input[type="text"], input[type="email"], input[type="tel"], input[type="url"],
select, textarea {
  width: 100%; padding: 10px 13px; font-size: 0.94rem; font-family: inherit;
  background: var(--navy-900); color: var(--ink);
  border: 1px solid var(--navy-600); border-radius: var(--radius-sm);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
textarea { min-height: 104px; resize: vertical; line-height: 1.65; }
select { cursor: pointer; }

.field-row { display: grid; gap: 15px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.choice-grid { display: grid; gap: 13px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.choice {
  display: block; background: var(--navy-800); border: 1px solid var(--navy-600);
  border-radius: var(--radius-sm); padding: 16px 18px; cursor: pointer;
}
.choice:hover { border-color: var(--accent); }
.choice input { margin-right: 8px; }
.choice.selected { border-color: var(--accent); background: var(--accent-soft); }
.choice strong { display: block; margin-bottom: 4px; }
.choice span { font-size: 0.84rem; color: var(--ink-mute); }

.consent { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 13px; }
.consent input { margin-top: 6px; flex-shrink: 0; }
.consent label { font-size: 0.89rem; color: var(--ink-mute); font-weight: 400; }

.form-nav {
  display: flex; gap: 11px; justify-content: space-between;
  margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line);
}

.progress { display: flex; gap: 6px; margin-bottom: 30px; flex-wrap: wrap; }
.progress span {
  flex: 1; min-width: 34px; height: 4px; border-radius: 2px; background: var(--navy-700);
}
.progress span.done { background: var(--accent-deep); }

.file-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 15px; background: var(--navy-800);
  border: 1px solid var(--navy-600); border-radius: var(--radius-sm);
}
.file-row .fname { font-size: 0.86rem; color: var(--ok); }

.alert {
  padding: 13px 17px; border-radius: var(--radius-sm); font-size: 0.89rem;
  margin: 15px 0; border: 1px solid;
}
.alert-error { background: rgba(248,113,113,0.09); border-color: rgba(248,113,113,0.35); color: #fca5a5; }
.alert-ok    { background: rgba(52,211,153,0.09); border-color: rgba(52,211,153,0.32); color: var(--ok); }
.alert-info  { background: var(--accent-soft); border-color: rgba(56,189,248,0.3); color: var(--ink-mute); }

.receipt-no {
  font-size: 1.75rem; font-weight: 800; color: var(--accent);
  letter-spacing: 0.02em; margin: 9px 0 4px; font-variant-numeric: tabular-nums;
}

/* ── FAQ ──────────────────────────────────────────────── */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  padding: 19px 0; cursor: pointer; font-weight: 650; font-size: 1rem;
  list-style: none; display: flex; gap: 12px; align-items: flex-start;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "＋"; color: var(--accent); flex-shrink: 0; }
.faq-item[open] summary::before { content: "－"; }
.faq-item .answer { padding: 0 0 22px 26px; color: var(--ink-mute); font-size: 0.94rem; }

/* ── 표 ───────────────────────────────────────────────── */
.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.88rem; min-width: 520px; }
th, td { padding: 10px 13px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--ink); font-weight: 700; background: var(--navy-800); }
td { color: var(--ink-mute); }

/* ── 푸터 ─────────────────────────────────────────────── */
.site-foot {
  border-top: 1px solid var(--line); background: #070c16;
  padding: 40px 0 46px; margin-top: 20px;
}
.disclaimer {
  font-size: 0.79rem; line-height: 1.72; color: var(--ink-dim);
  max-width: 82ch; margin: 0 0 18px;
}
.foot-bottom {
  display: flex; gap: 16px; justify-content: space-between;
  flex-wrap: wrap; font-size: 0.79rem; color: var(--ink-dim);
}

/* ── 접근성 ───────────────────────────────────────────── */
.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--accent);
  color: #04121e; padding: 10px 18px; z-index: 100; border-radius: 0 0 8px 0;
  font-weight: 700;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

@media (max-width: 640px) {
  section { padding: 46px 0; }
  .hero { padding: 56px 0 48px; }
  .head-in { padding: 11px 16px; }
  .site-nav { gap: 2px; }
  .site-nav a { padding: 6px 8px; font-size: 0.83rem; }
  .price-card { padding: 30px 22px; }
  .price-now { font-size: 2.5rem; }
}

/* ── 3티어 가격표 (2026-08-16) ─────────────────────────── */
.tier-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));align-items:stretch}
.tier{background:var(--navy-800);border:1px solid var(--line);border-radius:var(--radius);
padding:28px 24px;display:flex;flex-direction:column}
.tier.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent-soft)}
.tier.live{border-color:rgba(251,191,36,.35);background:linear-gradient(180deg,rgba(251,191,36,.05),transparent 60%)}
.tier-name{font-size:1.15rem;font-weight:800;letter-spacing:-.01em}
.tier-sub{font-size:.76rem;color:var(--warn);letter-spacing:.08em;text-transform:uppercase;font-weight:700;margin-top:3px}
.tier-anchor{font-size:.9rem;color:var(--ink-dim);text-decoration:line-through;display:block;margin-top:14px}
.tier-price{font-size:2.3rem;font-weight:800;letter-spacing:-.03em;line-height:1.15;margin:2px 0 0}
.tier-unit{font-size:.8rem;color:var(--ink-dim)}
.tier-badge{display:inline-block;font-size:.72rem;font-weight:700;color:var(--accent);
background:var(--accent-soft);padding:3px 11px;border-radius:999px;margin-top:10px}
.tier-badge.gold{color:var(--warn);background:rgba(251,191,36,.13)}
.tier-desc{color:var(--ink-mute);font-size:.9rem;margin:14px 0 4px}
.tier .check-list{flex:1}
.tier-cta{margin-top:20px}
.tier-note{font-size:.78rem;color:var(--ink-dim);margin-top:12px}
.ribbon{font-size:.7rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;
color:var(--accent);margin-bottom:8px}