:root {
  --paper: #fbfaf4;
  --surface: #ffffff;
  --ink: #1c1b18;
  --muted: #6a665c;
  --line: #e6e2d6;
  --accent: #e3ad00;
  --accent-soft: #fdf3c8;
  --code-bg: #1f1e1a;
  --code-ink: #f2efe4;
  --no: #b3402e;
  --radius: 14px;
  --measure: 68ch;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #151410;
    --surface: #1d1c17;
    --ink: #f1eee3;
    --muted: #a39e90;
    --line: #322f27;
    --accent: #f0c22e;
    --accent-soft: #33290a;
    --code-bg: #0f0e0b;
    --code-ink: #ece8da;
    --no: #e8806e;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

a { color: inherit; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--ink); }

.wrap { width: min(100% - 32px, 1040px); margin-inline: auto; }

header.top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 0;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; text-decoration: none; }
.brand .dot { width: 14px; height: 14px; border-radius: 50%; background: var(--accent); }
nav.links { display: flex; gap: 20px; font-size: 0.95rem; color: var(--muted); }
nav.links a { text-decoration: none; }
nav.links a:hover { color: var(--ink); }

.hero { padding: 56px 0 40px; display: grid; gap: 40px; grid-template-columns: 1.05fr 1fr; align-items: center; }
/* 그리드 칸 안의 코드 블록이 칸을 밀어내 가로 스크롤을 만들지 않게 한다 */
.hero > *, .steps li > div, .clients > div, .cards > * { min-width: 0; }
.eyebrow { display: inline-block; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.02em; background: var(--accent-soft); padding: 4px 12px; border-radius: 999px; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.5rem); line-height: 1.18; letter-spacing: -0.03em; margin: 18px 0 16px; font-weight: 800; }
h1 em { font-style: normal; box-shadow: inset 0 -0.38em 0 var(--accent-soft); }
.lede { font-size: 1.14rem; color: var(--muted); max-width: 34em; margin: 0; }

.terminal { background: var(--code-bg); color: var(--code-ink); border-radius: var(--radius); padding: 20px 22px; font-size: 0.86rem; line-height: 1.75; overflow-x: auto; box-shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.45); }
.terminal .who { color: var(--accent); }
.terminal .dim { opacity: 0.55; }

section { padding: 44px 0; border-top: 1px solid var(--line); }
h2 { font-size: clamp(1.45rem, 3vw, 1.9rem); letter-spacing: -0.02em; line-height: 1.3; margin: 0 0 8px; }
.sub { color: var(--muted); margin: 0 0 28px; max-width: var(--measure); }

.cards { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 1.08rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.97rem; }
.card .src { display: block; margin-top: 12px; font-size: 0.82rem; color: var(--muted); }

.nots { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; }
.nots li { display: grid; grid-template-columns: 15em 1fr; gap: 20px; padding: 16px 0; border-top: 1px solid var(--line); }
.nots li:first-child { border-top: 0; }
.nots strong { font-weight: 650; }
.nots strong::before { content: "✕"; color: var(--no); margin-right: 10px; font-weight: 700; }
.nots span { color: var(--muted); }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; max-width: var(--measure); }
.steps li { counter-increment: step; display: grid; grid-template-columns: 34px 1fr; gap: 14px; }
.steps li::before { content: counter(step); width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #1c1b18; font-weight: 700; font-size: 0.9rem; display: grid; place-items: center; margin-top: 2px; }
.steps p { margin: 0 0 8px; }

pre, code { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace; }
code { font-size: 0.88em; background: var(--accent-soft); padding: 0.12em 0.4em; border-radius: 5px; }
pre { margin: 0; background: var(--code-bg); color: var(--code-ink); border-radius: 10px; padding: 14px 16px; font-size: 0.85rem; line-height: 1.65; overflow-x: auto; }
pre code { background: none; padding: 0; font-size: inherit; color: inherit; }

.clients { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
.clients h3 { margin: 0 0 10px; font-size: 1rem; }

.notice { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 10px; padding: 18px 20px; color: var(--muted); max-width: var(--measure); font-size: 0.96rem; }

footer { border-top: 1px solid var(--line); padding: 32px 0 56px; color: var(--muted); font-size: 0.86rem; line-height: 1.8; }
footer .row { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 10px; }
footer a { text-decoration: none; }
footer a:hover { color: var(--ink); }

/* 문서형 페이지(개인정보 처리방침, 이용약관) */
.doc { max-width: var(--measure); padding: 32px 0 56px; }
.doc h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); margin-top: 8px; }
.doc h2 { font-size: 1.2rem; margin: 36px 0 8px; }
.doc p, .doc li { color: var(--ink); }
.doc .meta { color: var(--muted); font-size: 0.92rem; }
.doc table { width: 100%; border-collapse: collapse; font-size: 0.94rem; margin: 12px 0; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 12px; border: 1px solid var(--line); }
.doc th { background: var(--surface); font-weight: 650; white-space: nowrap; }
.table-scroll { overflow-x: auto; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 32px; }
  .cards, .clients { grid-template-columns: 1fr; }
  .nots li { grid-template-columns: 1fr; gap: 4px; }
  nav.links { gap: 14px; font-size: 0.9rem; }
}

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

/* 첫 화면: AI에 붙여 넣을 문장 */
.paste { padding: 44px 0 36px; }
.paste-lead { font-size: clamp(1.6rem, 4.4vw, 2.5rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.25; margin: 0 0 20px; }
.paste-box { display: flex; align-items: center; gap: 12px; background: var(--code-bg); color: var(--code-ink); border-radius: var(--radius); padding: 18px 20px; }
.paste-box code { flex: 1; min-width: 0; background: none; padding: 0; color: inherit; font-size: clamp(0.9rem, 2.4vw, 1.05rem); line-height: 1.6; }
.paste-box button { flex: none; font: inherit; font-size: 0.9rem; font-weight: 650; color: #1c1b18; background: var(--accent); border: 0; border-radius: 9px; padding: 9px 16px; cursor: pointer; }
.paste-box button:focus-visible { outline: 3px solid var(--accent-soft); outline-offset: 2px; }
.paste-note { color: var(--muted); margin: 14px 0 0; }

/* 안내서 본문 */
.guide { max-width: var(--measure); padding: 8px 0 64px; border-top: 1px solid var(--line); }
.guide h1 { font-size: clamp(1.5rem, 3.4vw, 1.9rem); margin: 36px 0 12px; font-weight: 750; }
.guide h2 { font-size: clamp(1.25rem, 2.8vw, 1.5rem); margin: 48px 0 10px; padding-top: 28px; border-top: 1px solid var(--line); }
.guide h3 { font-size: 1.08rem; margin: 30px 0 8px; }
.guide p { margin: 0 0 14px; }
.guide ol, .guide ul { margin: 0 0 16px; padding-left: 1.4em; }
.guide li { margin: 6px 0; }
.guide pre { margin: 0 0 18px; white-space: pre-wrap; word-break: break-all; }
.guide blockquote { margin: 0 0 18px; padding: 14px 18px; background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 10px; color: var(--muted); font-size: 0.96rem; }
.guide blockquote p:last-child, .guide blockquote ol:last-child { margin-bottom: 0; }
.guide table { width: 100%; border-collapse: collapse; font-size: 0.95rem; margin: 0 0 18px; }
.guide th, .guide td { text-align: left; vertical-align: top; padding: 10px 12px; border: 1px solid var(--line); }
.guide th { background: var(--surface); font-weight: 650; }

@media (max-width: 560px) {
  .paste-box { flex-direction: column; align-items: stretch; }
}

/* 주소를 건네는 첫 화면. 연결 세부 절차는 접힌 안내서에 둔다. */
.intro { display: grid; grid-template-columns: 1.3fr 0.85fr; gap: 60px; align-items: center; padding: 58px 0 64px; }
.intro > * { min-width: 0; }
.intro h1 { font-size: clamp(2.5rem, 5.8vw, 4rem); margin: 20px 0; line-height: 1.15; }
.intro .paste-lead { font-size: 0.88rem; line-height: 1.6; font-weight: 600; margin: 32px 0 9px; }
.intro .paste-box { padding: 12px 14px; gap: 8px; }
.intro .paste-box code { font-size: 0.83rem; }
.intro .paste-box button { font-size: 0.82rem; padding: 9px 12px; }
.intro .paste-note { font-size: 0.82rem; line-height: 1.6; min-height: 2.6em; margin-top: 10px; }
.preview-label { font-size: 0.78rem; color: var(--muted); margin: 14px 0 0; }
.preview-label span { color: var(--accent); margin-right: 5px; }
.conversation { background: var(--accent-soft); border: 1px solid var(--line); border-radius: 24px; padding: 28px 24px 22px; transform: rotate(1deg); }
.chat-label { color: var(--muted); font-size: 0.78rem; margin-bottom: 28px; text-align: center; }
.bubble { border-radius: 15px; padding: 17px 18px; font-size: 0.95rem; line-height: 1.65; }
.bubble.user { background: var(--ink); color: var(--paper); border-bottom-right-radius: 4px; margin-left: 20px; }
.bubble.agent { background: var(--surface); border: 1px solid var(--line); border-bottom-left-radius: 4px; margin-right: 16px; }
.bridge-mark { display: flex; gap: 8px; justify-content: center; align-items: center; font-size: 0.8rem; color: var(--muted); padding: 12px; }
.bridge-mark span { font-size: 1.2rem; }
.example-note { font-size: 0.72rem; line-height: 1.6; color: var(--muted); text-align: center; margin: 24px 0 0; }
.section-kicker { color: var(--muted); font-size: 0.82rem; margin: 0 0 10px; }
.use-cards { margin-top: 26px; }
.card-number { display: block; color: var(--muted); font-size: 0.75rem; margin-bottom: 22px; }
.use-cards .card h3 { font-size: 1.04rem; margin-bottom: 12px; }
.use-cards .card p { font-size: 0.9rem; }
.use-cards .card .example { color: var(--ink); font-size: 0.8rem; margin-top: 20px; }
.steps { margin-top: 28px; }
.steps p { color: var(--muted); font-size: 0.94rem; margin-top: 5px; }
.small-note { max-width: 65ch; color: var(--muted); font-size: 0.85rem; margin-top: 26px; }
.availability { margin: 28px 0 0; }
.availability > div { display: grid; grid-template-columns: 15em 1fr; gap: 28px; border-top: 1px solid var(--line); padding: 20px 0; }
.availability dt { font-weight: 650; font-size: 0.95rem; }
.availability dd { margin: 0; color: var(--muted); font-size: 0.94rem; }
.ai-entry > p { color: var(--muted); max-width: 72ch; font-size: 0.94rem; }
.resource-links { display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: 0.85rem; margin: 20px 0 26px; }
details { border-top: 1px solid var(--line); padding-top: 16px; }
summary { cursor: pointer; color: var(--muted); font-size: 0.85rem; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
footer p { margin-bottom: 0; }
@media (max-width: 820px) {
  .intro { grid-template-columns: 1fr; gap: 34px; padding: 28px 0 40px; }
  .conversation { max-width: 420px; width: 100%; margin-inline: auto; transform: none; }
  .availability > div { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 560px) {
  header.top { padding: 18px 0; }
  nav.links { gap: 12px; font-size: 0.76rem; }
  .intro .paste-box { flex-direction: row; align-items: center; }
  .intro .paste-box code { font-size: 0.73rem; }
  .intro .paste-box button { padding: 9px; font-size: 0.74rem; }
  .intro .paste-note { min-height: 0; }
  section { padding: 32px 0; }
}