/* 하이젠버그 터미널 — terminal.heisenberg.kr
   의존성 없는 정적 페이지. 글꼴은 Pretendard(CDN) 하나, 숫자·라벨은 시스템 모노스페이스.
   색: 어두운 바탕 + 하이젠버그 남색(#194d8a) + 밝은 하늘색 강조. 초록·빨강은 그래프 관계 색으로만 쓴다. */

:root {
  --bg: #0b0f17;
  --bg-2: #0e1420;
  --panel: #111826;
  --panel-2: #151e2e;
  --line: #1f2a3c;
  --line-2: #2a3850;
  --ink: #e8eef7;
  --ink-2: #a9b6c8;
  --ink-3: #8593a8;
  --navy: #194d8a;
  --navy-2: #1f5da6;
  --sky: #7cc8ff;
  --sky-2: #4aa8ec;
  --green: #3ecf8e;
  --red: #ff6b6b;
  --paper: #c9d6ea;
  --patent: #9db4ff;
  --company: #3ecf8e;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", "Pretendard", monospace;
  --sans: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
[hidden] { display: none !important; }
button { font: inherit; }
.mono { font-family: var(--mono); letter-spacing: 0; }
:focus-visible { outline: 2px solid var(--sky); outline-offset: 3px; border-radius: 6px; }

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--sky); color: #06101c; padding: 10px 14px; border-radius: 8px; font-weight: 700; text-decoration: none;
}
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.wrap--wide { max-width: 1320px; }
@media (max-width: 600px) { .wrap { padding: 0 16px; } }

/* ── 버튼 ─────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 48px; padding: 0 22px; border-radius: 10px;
  font-weight: 700; font-size: 16px; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background .15s, border-color .15s, color .15s;
}
.btn--primary { background: var(--navy); border-color: #3a78c4; color: #fff; }
.btn--primary:hover { background: var(--navy-2); border-color: var(--sky); }
.btn--ghost { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn--ghost:hover { border-color: var(--sky); color: var(--sky); }
.btn--sm { min-height: 40px; padding: 0 16px; font-size: 14px; border-radius: 8px; }

/* ── 머리 ─────────────────────────────── */
.top {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 15, 23, .82);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.top__in { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 17px; letter-spacing: -.01em; }
.brand__mark { width: 28px; height: 28px; flex: none; display: block; }
.brand__name { display: inline-flex; align-items: center; white-space: nowrap; }
.cursor { display: inline-block; width: 9px; height: 17px; margin-left: 4px; background: var(--sky); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.top__nav { display: flex; gap: 4px; margin-left: auto; }
.top__nav a { padding: 8px 12px; border-radius: 8px; color: var(--ink-2); text-decoration: none; font-size: 15px; }
.top__nav a:hover { color: var(--ink); background: var(--panel); }
@media (max-width: 900px) {
  .top__nav { display: none; }
  .top__in > .btn { margin-left: auto; }
}

/* ── ① 히어로 ─────────────────────────── */
.hero {
  position: relative;
  padding: 88px 0 96px;
  background:
    radial-gradient(900px 420px at 50% -80px, rgba(25, 77, 138, .55), transparent 70%),
    radial-gradient(600px 300px at 85% 30%, rgba(124, 200, 255, .08), transparent 70%);
  overflow: hidden;
}
.hero__copy { text-align: center; max-width: 880px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 13px; color: var(--sky);
  padding: 6px 12px; border: 1px solid rgba(124, 200, 255, .3); border-radius: 999px; background: rgba(124, 200, 255, .06);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--sky); box-shadow: 0 0 0 4px rgba(124, 200, 255, .18); }
.hero h1 { margin-top: 24px; font-size: clamp(34px, 5.6vw, 64px); line-height: 1.16; letter-spacing: -.035em; font-weight: 800; }
.lead { margin: 22px auto 0; max-width: 680px; color: var(--ink-2); font-size: clamp(16px, 1.6vw, 19px); line-height: 1.7; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 32px; }
.fine { margin-top: 16px; color: var(--ink-3); font-size: 14px; }

/* ── 터미널 예시 화면 ───────────────────── */
.term {
  position: relative; margin-top: 64px;
  border: 1px solid var(--line-2); border-radius: 18px;
  background: linear-gradient(180deg, #0f1522, #0b1019);
  box-shadow: 0 40px 120px -40px rgba(25, 77, 138, .55), 0 0 0 1px rgba(124, 200, 255, .04) inset;
  overflow: hidden;
}
.term__bar { display: flex; align-items: center; gap: 14px; height: 40px; padding: 0 16px; border-bottom: 1px solid var(--line); background: #0d131e; }
.term__lights { display: inline-flex; gap: 6px; }
.term__lights i { width: 10px; height: 10px; border-radius: 50%; background: #2a3850; }
.term__title { font-size: 12px; color: var(--ink-3); letter-spacing: .08em; }
.term__sample {
  margin-left: auto; font-size: 11.5px; color: #ffd98a;
  border: 1px solid rgba(255, 217, 138, .35); background: rgba(255, 217, 138, .07);
  padding: 2px 8px; border-radius: 6px; white-space: nowrap;
}
.term__tabs {
  display: flex; gap: 2px; padding: 0 10px; border-bottom: 1px solid var(--line);
  overflow-x: auto; scrollbar-width: none; font-size: 13px;
}
.term__tabs::-webkit-scrollbar { display: none; }
.term__tabs li { padding: 11px 14px 10px; color: var(--ink-3); white-space: nowrap; border-bottom: 2px solid transparent; }
.term__tabs li.is-on { color: var(--sky); border-bottom-color: var(--sky); }

.term__body {
  position: relative;
  display: grid; grid-template-columns: 260px 1fr; min-height: 520px;
}
.panel { border-right: 1px solid var(--line); padding: 18px 18px 22px; background: rgba(13, 19, 30, .6); }
.panel__h { font-size: 12px; color: var(--ink-3); letter-spacing: .06em; font-weight: 600; }
.panel__sub { margin-top: 20px; font-size: 11.5px; color: var(--ink-3); font-weight: 600; letter-spacing: .04em; }
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.kpi__l { display: block; font-size: 12px; color: var(--ink-3); }
.kpi__v { display: block; font-size: 22px; font-weight: 700; color: var(--ink); margin-top: 2px; }
.bars { margin-top: 8px; display: grid; gap: 7px; }
.bars li { display: grid; grid-template-columns: 64px 1fr 40px; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ink-2); }
.bars em { font-style: normal; font-size: 11.5px; color: var(--ink-3); text-align: right; }
.bar { display: block; height: 6px; border-radius: 3px; width: 0; transition: width 1.1s cubic-bezier(.2, .7, .2, 1); }
.bar--sky { background: var(--sky); }
.bar--sky2 { background: var(--sky-2); }
.bar--blue { background: #5b8fd6; }
.bar--green { background: var(--green); }
.bar--red { background: var(--red); }
.bar--paper { background: var(--paper); }
.bar--patent { background: var(--patent); }
.bar--company { background: var(--company); }

.graph { position: relative; display: flex; flex-direction: column; min-width: 0; }
.graph__head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.query { font-size: 13px; color: var(--ink); background: var(--panel); border: 1px solid var(--line-2); border-radius: 8px; padding: 5px 10px; }
.query__k { color: var(--sky); margin-right: 6px; }
.query__d { color: var(--ink-3); }
.legend { display: flex; gap: 12px; margin-left: auto; font-size: 12px; color: var(--ink-3); flex-wrap: wrap; }
.legend li { display: inline-flex; align-items: center; gap: 6px; }
.lg { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.lg--tech { background: var(--sky); }
.lg--paper { background: transparent; border: 2px solid var(--paper); }
.lg--patent { background: transparent; border: 2px dashed var(--patent); }
.lg--company { background: var(--company); border-radius: 2px; }
.graph__stage { position: relative; flex: 1; min-height: 440px; }
.graph__svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.graph__hint { padding: 0 16px 12px; font-size: 11.5px; color: var(--ink-3); }
.graph__noscript { padding: 24px; color: var(--ink-3); }

/* 그래프 요소 (site.js 가 그린다) */
.g-edge { stroke-width: 1.4; fill: none; opacity: .55; transition: opacity .2s, stroke-width .2s; }
.g-edge.is-hot { opacity: 1; stroke-width: 2.2; }
.g-edge.is-dim { opacity: .12; }
.g-elabel { font-family: var(--mono); font-size: 11px; fill: var(--ink); paint-order: stroke; stroke: var(--bg); stroke-width: 4px; opacity: 0; transition: opacity .2s; pointer-events: none; }
.g-elabel.is-on { opacity: 1; }
.g-node { cursor: pointer; transition: opacity .2s; }
.g-node:focus { outline: none; }
.g-node:focus-visible .g-ring { stroke: var(--sky); stroke-width: 2; opacity: 1; }
.g-node.is-dim { opacity: .3; }
.g-ring { fill: none; stroke: transparent; opacity: 0; }
.g-label { font-family: var(--sans); font-size: 12.5px; fill: var(--ink-2); pointer-events: none; paint-order: stroke; stroke: #0c111b; stroke-width: 4px; stroke-linejoin: round; }
.g-label--core { font-size: 14px; font-weight: 800; fill: #fff; }
.g-node.is-hot .g-label { fill: #fff; }
.g-halo { fill: none; stroke: var(--sky); opacity: .5; animation: halo 2.6s ease-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes halo { from { transform: scale(1); opacity: .55; } to { transform: scale(2.2); opacity: 0; } }
.g-pulse { fill: var(--sky); }
.is-narrow .g-node--paper .g-label, .is-narrow .g-node--patent .g-label { opacity: 0; transition: opacity .2s; }
.is-narrow .g-node.is-hot .g-label { opacity: 1; }

.tip {
  position: absolute; z-index: 3; max-width: 260px; pointer-events: none;
  background: rgba(17, 24, 38, .96); border: 1px solid var(--line-2); border-radius: 10px;
  padding: 10px 12px; font-size: 12.5px; color: var(--ink-2); box-shadow: 0 12px 32px rgba(0, 0, 0, .45);
}
.tip b { display: block; color: var(--ink); font-size: 13.5px; margin-bottom: 2px; }
.tip .t-type { font-family: var(--mono); font-size: 11px; color: var(--sky); }
.tip ul { margin-top: 6px; display: grid; gap: 3px; }
.tip li { font-family: var(--mono); font-size: 11.5px; }

.alert {
  position: absolute; right: 18px; bottom: 18px; z-index: 4; width: 320px;
  background: rgba(17, 24, 38, .94); border: 1px solid rgba(124, 200, 255, .35); border-radius: 12px;
  padding: 14px 16px 16px; box-shadow: 0 20px 50px -10px rgba(0, 0, 0, .6);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  animation: rise .7s .9s both cubic-bezier(.2, .7, .2, 1);
}
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.alert__top { display: flex; justify-content: space-between; font-size: 11px; color: var(--ink-3); }
.alert__badge { color: var(--sky); letter-spacing: .06em; }
.alert__title { margin-top: 6px; font-weight: 800; font-size: 16px; }
.alert__meta { margin-top: 2px; font-size: 13px; color: var(--ink-2); }
.alert__ask { margin-top: 12px; width: 100%; }
.alert__ask[aria-expanded="true"] { display: none; }
.chat { margin-top: 10px; display: grid; gap: 8px; font-size: 13px; }
.chat p { display: grid; gap: 2px; }
.chat .mono { font-size: 11px; color: var(--ink-3); }
.chat__q { color: var(--ink); background: var(--panel-2); border-radius: 8px; padding: 8px 10px; }
.chat__a { color: var(--ink-2); border-left: 2px solid var(--sky); padding: 2px 0 2px 10px; min-height: 64px; }
.chat__note { font-size: 10.5px; color: var(--ink-3); }

@media (max-width: 1000px) {
  .term__body { grid-template-columns: 1fr; }
  .panel { order: 3; border-right: 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; column-gap: 20px; }
  .panel__h, .kpis { grid-column: 1 / -1; }
  .panel__sub { grid-column: auto; }
  .panel > .panel__sub:nth-of-type(1) { grid-row: 3; grid-column: 1; }
  .panel > .bars:nth-of-type(1) { grid-row: 4; grid-column: 1; }
  .panel > .panel__sub:nth-of-type(2) { grid-row: 3; grid-column: 2; }
  .panel > .bars:nth-of-type(2) { grid-row: 4; grid-column: 2; align-self: start; }
  .graph { order: 1; }
  .alert { order: 2; position: static; width: auto; margin: 0 16px 16px; animation: none; }
}
@media (max-width: 600px) {
  .hero { padding: 56px 0 64px; }
  .term { margin-top: 40px; border-radius: 14px; }
  .term__title { display: none; }
  .graph__stage { min-height: 360px; }
  .graph__head { padding: 10px 12px; }
  .legend { margin-left: 0; gap: 10px; }
  .graph__hint { display: none; }
  .panel { grid-template-columns: 1fr; }
  .panel > .panel__sub:nth-of-type(n), .panel > .bars:nth-of-type(n) { grid-row: auto; grid-column: 1; }
  .alert { margin: 0 12px 12px; }
}

/* ── 공통 섹션 ─────────────────────────── */
.sec { padding: 112px 0; border-top: 1px solid var(--line); }
.sec--alt { background: var(--bg-2); }
.kicker { font-size: 13px; color: var(--sky); letter-spacing: .04em; }
.sec__title { margin-top: 14px; font-size: clamp(28px, 3.8vw, 44px); line-height: 1.22; letter-spacing: -.03em; font-weight: 800; }
.sec__lead { margin-top: 16px; color: var(--ink-2); font-size: 17px; max-width: 640px; }
.br-m { display: none; }
@media (max-width: 600px) {
  .sec { padding: 72px 0; }
  .br-m { display: inline; }
}

/* ── ② 핵심 기능 ───────────────────────── */
.features { margin-top: 48px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.feature {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 20px 26px; transition: border-color .2s, transform .2s;
}
.feature:hover { border-color: var(--line-2); transform: translateY(-2px); }
.feature--accent { border-color: rgba(124, 200, 255, .4); background: linear-gradient(180deg, rgba(25, 77, 138, .35), var(--panel) 70%); }
.feature__ic { width: 30px; height: 30px; color: var(--sky); display: block; }
.feature h3 { margin-top: 18px; font-size: 18px; font-weight: 800; }
.feature p { margin-top: 8px; color: var(--ink-2); font-size: 14.5px; line-height: 1.65; }
@media (max-width: 1100px) { .features { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .features { grid-template-columns: 1fr; } }

/* ── ③ 더 깊이 ─────────────────────────── */
.deep { margin-top: 56px; display: grid; gap: 28px; }
.deep__item { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.deep__item:nth-child(even) .viz { order: 2; }
.deep__k { font-size: 12.5px; color: var(--sky); }
.deep__txt h3 { margin-top: 8px; font-size: clamp(22px, 2.4vw, 28px); line-height: 1.3; letter-spacing: -.02em; font-weight: 800; }
.deep__txt p:last-child { margin-top: 12px; color: var(--ink-2); font-size: 16px; }
.viz {
  position: relative; height: 240px; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), #0d1420); border: 1px solid var(--line);
  overflow: hidden;
}
@media (max-width: 820px) {
  .deep { gap: 48px; }
  .deep__item { grid-template-columns: 1fr; gap: 20px; }
  .deep__item:nth-child(even) .viz { order: 0; }
  .viz { height: 200px; }
}

/* 리포트 카드 */
.viz--reports { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 0 20px; }
.rcard { flex: 1; max-width: 150px; height: 160px; background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 10px; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.rcard:nth-child(2) { transform: translateY(-14px); border-color: rgba(124, 200, 255, .45); }
.rcard__tag { font-size: 10px; color: var(--sky); }
.rcard b { display: block; height: 7px; border-radius: 4px; background: #2c3a52; }
.rcard b.s { width: 60%; }
.rcard i { margin-top: auto; height: 46px; border-radius: 6px; background: linear-gradient(135deg, rgba(25, 77, 138, .7), rgba(124, 200, 255, .25)); }

/* 신호 스파크라인 */
.viz--signal svg { position: absolute; inset: 24px 20px 20px; width: calc(100% - 40px); height: calc(100% - 44px); }
.sig__grid { stroke: var(--line); stroke-width: 1; fill: none; vector-effect: non-scaling-stroke; }
.sig__area { fill: rgba(124, 200, 255, .12); }
.sig__line { fill: none; stroke: var(--sky); stroke-width: 2.4; vector-effect: non-scaling-stroke; stroke-dasharray: 800; stroke-dashoffset: 0; }
/* 처음 숨겨 두는 상태는 스크립트가 켤 때(html.anim)만 — 관찰이 빠져도 내용은 보인다. */
.anim .viz:not(.is-in) .sig__line { stroke-dashoffset: 800; }
.anim .viz:not(.is-in) .sig__dot, .anim .viz:not(.is-in) .sig__flag, .anim .viz:not(.is-in) .phone__card, .anim .mini:not(.is-in) .note { opacity: 0; }
.is-in .sig__line { animation: draw 1.8s .2s both ease-out; }
@keyframes draw { from { stroke-dashoffset: 800; } to { stroke-dashoffset: 0; } }
.sig__dot { fill: var(--sky); }
.is-in .sig__dot { animation: pop .4s 1.7s both; }
@keyframes pop { from { opacity: 0; } to { opacity: 1; } }
.sig__flag { position: absolute; right: 18%; top: 14px; font-size: 11px; color: #06101c; background: var(--sky); padding: 3px 8px; border-radius: 6px; }
.is-in .sig__flag { animation: pop .4s 1.9s both; }

/* 연결 경로 */
.viz--chain { display: flex; align-items: center; justify-content: center; padding: 0 16px; gap: 0; }
.chip { flex: none; font-size: 13px; font-weight: 700; padding: 8px 12px; border-radius: 999px; border: 1px solid; white-space: nowrap; }
.chip--paper { color: var(--paper); border-color: rgba(201, 214, 234, .5); }
.chip--tech { color: #06101c; background: var(--sky); border-color: var(--sky); }
.chip--patent { color: var(--patent); border-style: dashed; border-color: rgba(157, 180, 255, .7); }
.chip--company { color: #06101c; background: var(--green); border-color: var(--green); border-radius: 6px; }
.ln { flex: 1; min-width: 14px; max-width: 60px; height: 2px; background: linear-gradient(90deg, var(--line-2) 0 50%, var(--sky) 50% 100%); background-size: 200% 100%; background-position: 100% 0; }
.is-in .ln { animation: flow 1.6s linear infinite; }
@keyframes flow { to { background-position: -100% 0; } }

/* 작업공간 패널 */
.viz--grid { display: grid; grid-template-columns: 1fr 1.6fr; grid-template-rows: 1fr 1fr; gap: 10px; padding: 18px; }
.pn { background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 10px; padding: 10px; display: flex; flex-direction: column; gap: 6px; overflow: hidden; }
.pn span { font-size: 10.5px; color: var(--ink-3); }
.pn b { display: block; height: 6px; border-radius: 3px; background: #2c3a52; }
.pn b:nth-of-type(2) { width: 70%; }
.pn b:nth-of-type(3) { width: 45%; }
.pn--a { grid-row: span 2; }
.pn--b { position: relative; }
.pn--b i { flex: 1; border-radius: 6px; background:
  radial-gradient(circle at 50% 50%, var(--sky) 0 5px, transparent 6px),
  radial-gradient(circle at 25% 35%, var(--paper) 0 3px, transparent 4px),
  radial-gradient(circle at 75% 30%, var(--green) 0 3px, transparent 4px),
  radial-gradient(circle at 70% 75%, var(--patent) 0 3px, transparent 4px),
  radial-gradient(circle at 30% 72%, var(--green) 0 3px, transparent 4px); }
.pn--c, .pn--d { display: none; }
@media (min-width: 821px) {
  .viz--grid { grid-template-columns: 1fr 1.6fr 1fr; }
  .pn--c { display: flex; }
  .pn--d { display: flex; grid-column: 3; grid-row: 2; }
  .pn--c { grid-column: 3; grid-row: 1; }
  .pn--b { grid-row: span 2; }
}

/* 휴대폰 */
.viz--phone { display: flex; justify-content: center; align-items: flex-end; }
.phone { position: relative; width: 190px; height: 210px; margin-top: 30px; border: 2px solid var(--line-2); border-bottom: 0; border-radius: 26px 26px 0 0; background: #0b111b; padding: 26px 12px 0; display: grid; align-content: start; gap: 8px; }
.phone__notch { position: absolute; top: 9px; left: 50%; width: 54px; height: 6px; margin-left: -27px; border-radius: 3px; background: var(--line-2); }
.phone__card { background: var(--panel-2); border: 1px solid rgba(124, 200, 255, .35); border-radius: 10px; padding: 8px 10px; display: grid; gap: 3px; }
.phone__card span { font-size: 9.5px; color: var(--sky); }
.phone__card b { font-size: 12px; line-height: 1.35; }
.phone__card i { height: 5px; width: 60%; border-radius: 3px; background: #2c3a52; }
.phone__card--2 { border-color: var(--line-2); }
.is-in .phone__card { animation: slide .6s both cubic-bezier(.2, .7, .2, 1); }
.is-in .phone__card--2 { animation-delay: .35s; }
@keyframes slide { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: none; } }

/* ── ④ 사용법 ──────────────────────────── */
.ess { margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ess__card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 14px 22px; }
.ess__card h3 { margin: 18px 6px 0; font-size: 17px; font-weight: 800; }
.ess__card p { margin: 8px 6px 0; color: var(--ink-2); font-size: 14.5px; }
.mini { position: relative; height: 150px; border-radius: 10px; background: #0b111b; border: 1px solid var(--line); overflow: hidden; }
@media (max-width: 1100px) { .ess { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .ess { grid-template-columns: 1fr; } }

.mini--ask { padding: 16px; }
.mini__in { display: flex; align-items: center; gap: 6px; font-size: 12.5px; background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 8px; padding: 9px 10px; min-height: 38px; white-space: nowrap; overflow: hidden; }
.mini__prompt { color: var(--sky); }
.caret { width: 7px; height: 14px; background: var(--sky); animation: blink 1s steps(1) infinite; flex: none; }
.mini__ans { margin-top: 14px; display: grid; gap: 8px; padding-left: 10px; border-left: 2px solid var(--sky); }
.mini__ans b { height: 7px; border-radius: 4px; background: #2c3a52; }
.mini__ans b.s { width: 55%; }

.mini--trace svg { width: 100%; height: 100%; display: block; padding: 8px; }
.trace__path { fill: none; stroke: var(--sky); stroke-width: 2; stroke-dasharray: 6 6; }
.is-in .trace__path { animation: dash 1.2s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -24; } }
.trace__n { fill: #0b111b; stroke: var(--paper); stroke-width: 2; }
.trace__n--t { fill: var(--sky); stroke: var(--sky); }
.trace__n--c { fill: var(--green); stroke: var(--green); }
.mini--trace text { font-family: var(--sans); font-size: 12px; fill: var(--ink-2); }

.mini--alerts { padding: 12px; display: grid; gap: 8px; align-content: start; }
.note { display: flex; align-items: center; gap: 8px; background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 8px; padding: 8px 10px; font-size: 12.5px; color: var(--ink); }
.note__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--sky); flex: none; }
.note__dot--g { background: var(--green); }
.is-in .note { animation: notes 6s infinite; }
.is-in .note:nth-child(2) { animation-delay: .5s; }
.is-in .note:nth-child(3) { animation-delay: 1s; }
@keyframes notes { 0% { opacity: 0; transform: translateX(20px); } 8%, 90% { opacity: 1; transform: none; } 100% { opacity: 0; transform: none; } }

.mini--report { display: flex; justify-content: center; padding-top: 14px; }
.doc { width: 70%; background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 8px 8px 0 0; padding: 10px 12px; display: grid; gap: 6px; align-content: start; }
.doc__h { font-size: 10.5px; color: var(--sky); }
.doc b { height: 6px; border-radius: 3px; background: #2c3a52; transform-origin: left; }
.doc b.s { width: 60%; }
.is-in .doc b { animation: grow 4s infinite; }
.is-in .doc b:nth-of-type(2) { animation-delay: .25s; }
.is-in .doc b:nth-of-type(3) { animation-delay: .5s; }
@keyframes grow { 0% { transform: scaleX(0); } 20%, 90% { transform: scaleX(1); } 100% { transform: scaleX(1); } }
.doc__chart { display: flex; align-items: flex-end; gap: 5px; height: 46px; margin-top: 4px; }
.doc__chart i { flex: 1; background: var(--navy-2); border-radius: 2px 2px 0 0; height: 30%; transform-origin: bottom; }
.doc__chart i:nth-child(2) { height: 45%; }
.doc__chart i:nth-child(3) { height: 40%; }
.doc__chart i:nth-child(4) { height: 70%; background: var(--sky-2); }
.doc__chart i:nth-child(5) { height: 92%; background: var(--sky); }
.is-in .doc__chart i { animation: up 4s infinite; }
@keyframes up { 0%, 20% { transform: scaleY(0); } 45%, 100% { transform: scaleY(1); } }

/* ── ⑤ 작동 방식 · 대상 ─────────────────── */
.steps { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: s; }
.step { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px 28px; }
.step:not(:last-child)::after {
  content: ""; position: absolute; right: -13px; top: 38px; width: 10px; height: 10px;
  border-top: 2px solid var(--sky); border-right: 2px solid var(--sky); transform: rotate(45deg);
}
.step__n { font-size: 13px; color: var(--sky); }
.step h3 { margin-top: 10px; font-size: 22px; font-weight: 800; }
.step p { margin-top: 8px; color: var(--ink-2); font-size: 15.5px; }
@media (max-width: 820px) {
  .steps { grid-template-columns: 1fr; }
  .step:not(:last-child)::after { right: auto; left: 32px; top: auto; bottom: -13px; transform: rotate(135deg); }
}

.who { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.who__card { border-top: 2px solid var(--navy-2); padding: 22px 4px 0; }
.who__k { font-size: 13px; color: var(--sky); }
.who__card h3 { margin-top: 8px; font-size: 20px; font-weight: 800; letter-spacing: -.02em; }
.who__card p:last-child { margin-top: 8px; color: var(--ink-2); font-size: 15.5px; }
@media (max-width: 820px) { .who { grid-template-columns: 1fr; gap: 28px; } }

/* ── ⑥ 마지막 CTA ──────────────────────── */
.final {
  padding: 112px 0; border-top: 1px solid var(--line); text-align: center;
  background: radial-gradient(700px 320px at 50% 100%, rgba(25, 77, 138, .5), transparent 70%);
}
.final__in .sec__lead { margin-left: auto; margin-right: auto; }
.final__title { margin-top: 14px; font-size: clamp(30px, 4.4vw, 52px); line-height: 1.2; letter-spacing: -.035em; font-weight: 800; }
.cta-row--center { justify-content: center; }
@media (max-width: 600px) { .final { padding: 80px 0; } }

/* ── ⑦ 푸터 ───────────────────────────── */
.foot { border-top: 1px solid var(--line); padding: 40px 0 48px; background: #090c13; }
.foot__row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand--foot { font-size: 15px; }
.brand--foot .brand__mark { width: 24px; height: 24px; }
.foot__links { display: flex; gap: 4px 20px; flex-wrap: wrap; font-size: 14px; }
.foot__links a { color: var(--ink-2); text-decoration: none; padding: 6px 0; }
.foot__links a:hover { color: var(--ink); text-decoration: underline; }
.foot__legal { margin-top: 24px; color: var(--ink-2); font-size: 13.5px; }
.foot__biz { margin-top: 14px; color: var(--ink-3); font-size: 12px; line-height: 1.7; }
.foot__biz > span { display: block; }
.foot__biz span span { white-space: nowrap; }
.foot__copy { margin-top: 14px; color: var(--ink-3); font-size: 12px; }

/* ── 움직임 줄이기 ─────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .sig__line { stroke-dashoffset: 0; }
  .sig__dot, .sig__flag, .note { opacity: 1; }
  .cursor, .caret { opacity: 1; }
  .g-halo { display: none; }
}

/* 404 */
.notfound { min-height: 100vh; display: flex; align-items: center; border-top: 0; }