:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #5b5f66;
  --line: #e6e7ea;
  --soft: #f5f6f8;
  --black: #000000;
  --on-black: #ffffff;
  --accent: #fee500;
  --accent-ink: #191919;
  --ok: #16a34a;
  --warn: #dc2626;
  --radius: 14px;
  --max: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* 버튼 */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 48px; padding: 0 22px;
  border: 1px solid var(--black); border-radius: 10px;
  font-weight: 600; font-size: 15px; cursor: pointer;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn-black { background: var(--black); color: var(--on-black); }
.btn-black:hover { background: #222; }
.btn-white { background: #fff; color: var(--fg); border-color: var(--line); }
.btn-white:hover { border-color: var(--black); }
.btn-accent { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-accent:hover { background: #ffd800; }
.btn-sm { min-height: 40px; padding: 0 14px; font-size: 14px; }

/* 헤더 */
header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: -.02em; }
.logo .mark { width: 28px; height: 28px; }
.nav-links { display: none; gap: 4px; }
.nav-links a { padding: 8px 12px; border-radius: 8px; font-weight: 500; color: var(--muted); }
.nav-links a:hover { color: var(--fg); background: var(--soft); }
.nav-cta { display: flex; gap: 8px; }
@media (min-width: 900px) { .nav-links { display: flex; } }
.lang-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; height: 40px; }
.lang-switch a { display: inline-flex; align-items: center; padding: 0 12px; font-size: 13px; font-weight: 700; color: var(--muted); letter-spacing: .02em; }
.lang-switch a:hover { background: var(--soft); color: var(--fg); }
.lang-switch a[aria-current="page"] { background: var(--black); color: #fff; }
.lang-switch a:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }

/* 히어로 */
.hero { padding: 72px 0 56px; }
.hero-grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 5fr 6fr; gap: 48px; } .hero { padding: 96px 0 72px; } }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--muted); margin-bottom: 18px; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
h1 { font-size: clamp(34px, 5.2vw, 58px); line-height: 1.18; letter-spacing: -.03em; font-weight: 800; margin: 0 0 20px; }
h1 mark { background: linear-gradient(transparent 55%, var(--accent) 55%); color: inherit; padding: 0 2px; }
.lead { font-size: 18px; color: var(--muted); margin: 0 0 28px; max-width: 520px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.hero-note { font-size: 13px; color: var(--muted); }

/* 대시보드 목업 */
.mock {
  border: 1px solid var(--line); border-radius: 16px; background: #fff;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.25), 0 1px 0 rgba(0,0,0,.03);
  overflow: hidden; font-size: 12px;
}
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--soft); color: var(--muted); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #d6d8dd; }
.mock-bar span { margin-left: 8px; font-weight: 600; }
.mock-body { padding: 14px; display: grid; gap: 12px; }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.kpi { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.kpi b { display: block; font-size: 18px; letter-spacing: -.02em; }
.kpi small { color: var(--muted); }
.kpi.warn { border-color: #fecaca; background: #fff5f5; }
.kpi.warn b { color: var(--warn); }
.alert {
  display: flex; align-items: flex-start; gap: 10px;
  border: 1px solid #fde68a; background: #fffbeb; border-radius: 10px; padding: 10px 12px;
}
.alert .ai { flex: none; background: var(--black); color: #fff; font-weight: 700; font-size: 10px; padding: 3px 6px; border-radius: 6px; letter-spacing: .04em; }
.alert p { margin: 0; line-height: 1.5; }
.alert .act { margin-left: auto; flex: none; border: 1px solid var(--black); border-radius: 6px; padding: 3px 8px; font-weight: 600; background: #fff; }
table.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { text-align: left; padding: 8px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl th { color: var(--muted); font-weight: 500; font-size: 11px; }
.tbl td.name { max-width: 0; width: 100%; overflow: hidden; text-overflow: ellipsis; }
.tag { display: inline-block; padding: 2px 7px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.tag.ok { background: #ecfdf5; color: #047857; }
.tag.warn { background: #fef2f2; color: #b91c1c; }
.tag.idle { background: var(--soft); color: var(--muted); }
.num { font-variant-numeric: tabular-nums; }

/* 플랫폼 띠 */
.strip { background: var(--black); color: #fff; padding: 22px 0; overflow: hidden; }
.strip .wrap { display: flex; align-items: center; gap: 28px; }
.strip .label { flex: none; font-weight: 700; font-size: 15px; }
.marquee { flex: 1; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee ul { display: flex; gap: 40px; margin: 0; padding: 0; list-style: none; width: max-content; animation: scroll 28s linear infinite; }
.marquee li { font-weight: 800; font-size: 20px; letter-spacing: -.01em; white-space: nowrap; opacity: .9; }
@keyframes scroll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee ul { animation: none; } html { scroll-behavior: auto; } }

/* 섹션 공통 */
section { padding: 80px 0; }
.sec-head { max-width: 640px; margin-bottom: 40px; }
.kicker { font-size: 14px; font-weight: 700; color: var(--muted); margin: 0 0 10px; }
h2 { font-size: clamp(26px, 3.4vw, 38px); line-height: 1.25; letter-spacing: -.025em; font-weight: 800; margin: 0 0 12px; }
.sec-head p { color: var(--muted); font-size: 17px; margin: 0; }
.grid-3 { display: grid; gap: 16px; }
@media (min-width: 720px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.grid-2 { display: grid; gap: 16px; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: #fff; }
.card h3 { font-size: 18px; margin: 0 0 8px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.icon { width: 40px; height: 40px; border-radius: 10px; background: var(--soft); display: grid; place-items: center; margin-bottom: 16px; }
.icon svg { width: 20px; height: 20px; stroke: var(--fg); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* 문제 */
.pain { background: var(--soft); }
.pain .card { background: #fff; }
.pain .card strong { display: block; font-size: 15px; color: var(--warn); margin-bottom: 6px; }

/* 무엇을 하나요 */
.what-item { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 28px 0; border-top: 1px solid var(--line); }
.what-item:last-child { border-bottom: 1px solid var(--line); }
.what-item .no { font-size: 14px; font-weight: 800; color: var(--muted); padding-top: 4px; }
.what-item h3 { margin: 0 0 6px; font-size: 22px; letter-spacing: -.02em; }
.what-item p { margin: 0 0 12px; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 13px; padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; background: #fff; }
.chip.ai { border-color: var(--black); background: var(--black); color: #fff; font-weight: 600; }

/* 기능 */
.feat .card ul { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.feat .card li { font-size: 14px; display: flex; gap: 8px; align-items: flex-start; }
.feat .card li::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--black); margin-top: 8px; }
.badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 3px 8px; border-radius: 6px; background: var(--accent); color: var(--accent-ink); margin-left: 6px; vertical-align: middle; }

/* 작동 방식 */
.steps { display: grid; gap: 16px; counter-reset: s; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: relative; }
.step::before { counter-increment: s; content: counter(s, decimal-leading-zero); font-size: 13px; font-weight: 800; color: var(--muted); display: block; margin-bottom: 12px; }
.step h3 { margin: 0 0 8px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* 안전장치 */
.safe { background: var(--black); color: #fff; }
.safe h2, .safe .kicker { color: #fff; }
.safe .sec-head p { color: #b8bcc4; }
.safe .card { background: #141414; border-color: #2a2a2a; }
.safe .card h3 { color: #fff; }
.safe .card p { color: #b8bcc4; }
.safe .icon { background: #222; }
.safe .icon svg { stroke: var(--accent); }

/* 요금 */
.plans { display: grid; gap: 16px; }
@media (min-width: 760px) { .plans { grid-template-columns: repeat(2, 1fr); max-width: 860px; } }
.plan { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.plan.pro { border-color: var(--black); border-width: 2px; }
.plan .name { font-weight: 700; font-size: 15px; color: var(--muted); }
.plan .price { font-size: 34px; font-weight: 800; letter-spacing: -.03em; margin: 8px 0 2px; }
.plan .price small { font-size: 14px; font-weight: 500; color: var(--muted); }
.plan .desc { color: var(--muted); font-size: 14px; margin: 0 0 18px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 22px; display: grid; gap: 8px; font-size: 14px; }
.plan li { display: flex; gap: 8px; align-items: flex-start; }
.plan li svg { flex: none; width: 16px; height: 16px; margin-top: 3px; stroke: var(--ok); fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.plan .btn { margin-top: auto; justify-content: center; }
.plan-note { font-size: 13px; color: var(--muted); margin-top: 16px; }

/* FAQ */
.faq details { border-top: 1px solid var(--line); padding: 4px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; font-weight: 600; font-size: 17px; padding: 18px 36px 18px 0; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font-size: 24px; font-weight: 300; color: var(--muted); transition: transform .18s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.faq .a { padding: 0 0 20px; color: var(--muted); max-width: 720px; }
.faq .a p { margin: 0 0 8px; }

/* AI 섹션 */
.ai-sec { background: linear-gradient(180deg, #fffdf0 0%, #ffffff 100%); border-top: 1px solid var(--line); }
.ai-sec .card { position: relative; }
.ai-sec .card .state { position: absolute; top: 20px; right: 20px; font-size: 12px; font-weight: 600; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 3px 9px; background: #fff; }
.ai-sec .card .state.live { color: #047857; border-color: #a7f3d0; background: #ecfdf5; }
.claude-note { margin-top: 24px; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; background: #fff; display: grid; gap: 14px; }
@media (min-width: 900px) { .claude-note { grid-template-columns: 1fr 1fr; gap: 28px; } }
.claude-note h3 { margin: 0 0 6px; font-size: 17px; }
.claude-note p { margin: 0; color: var(--muted); font-size: 15px; }
.claude-note ul { margin: 8px 0 0; padding-left: 18px; color: var(--muted); font-size: 14px; display: grid; gap: 4px; }

/* 회사 */
.company .facts { display: grid; gap: 12px; margin-top: 8px; }
@media (min-width: 720px) { .company .facts { grid-template-columns: repeat(4, 1fr); } }
.fact { border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; background: #fff; }
.fact small { display: block; color: var(--muted); font-size: 13px; margin-bottom: 4px; }
.fact b { font-size: 17px; letter-spacing: -.01em; }
.contact-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* 마지막 CTA */
.final { background: var(--soft); text-align: center; }
.final h2 { margin-bottom: 10px; }
.final p { color: var(--muted); margin: 0 auto 26px; max-width: 520px; }
.final .hero-cta { justify-content: center; }

/* 푸터 */
footer { padding: 48px 0 40px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.foot-grid { display: grid; gap: 28px; }
@media (min-width: 760px) { .foot-grid { grid-template-columns: 2fr 1fr 1fr; } }
footer h4 { margin: 0 0 10px; font-size: 14px; color: var(--fg); }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
footer a:hover { color: var(--fg); text-decoration: underline; }
.biz { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; line-height: 1.8; }