:root {
  --bg: #eef2ff;
  --surface: rgba(255, 255, 255, 0.62);
  --surface-hover: rgba(255, 255, 255, 0.82);
  --border: rgba(100, 130, 255, 0.13);
  --border-strong: rgba(100, 130, 255, 0.26);
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --blue-bg: rgba(37, 99, 235, 0.07);
  --text: #1e2433;
  --text-sub: #4b5563;
  --text-muted: #9ca3af;
  --danger: #ef4444;
  --warn: #f59e0b;
  --ok: #10b981;
  --mono: 'Consolas', 'Courier New', monospace;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box
}

html {
  scroll-behavior: smooth
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Noto Sans KR', sans-serif;
  line-height: 1.7;
  overflow-x: hidden
}

body::before {
  content: '';
  position: fixed;
  top: -15%;
  right: -10%;
  width: 55%;
  height: 55%;
  background: radial-gradient(ellipse, rgba(99, 102, 241, .11) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0
}

body::after {
  content: '';
  position: fixed;
  bottom: -15%;
  left: -10%;
  width: 45%;
  height: 45%;
  background: radial-gradient(ellipse, rgba(37, 99, 235, .09) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0
}

/* 헤더 */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(238, 242, 255, .9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 60px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between
}

.hname {
  font-size: 15px;
  font-weight: 700;
  color: var(--blue)
}

.hnav {
  display: flex;
  gap: 28px
}

.hnav a {
  font-size: 13px;
  color: var(--blue);
  text-decoration: none;
  font-weight: 500;
  opacity: .7;
  transition: opacity .2s
}

.hnav a:hover {
  opacity: 1
}

/* 점 네비 */
.dots {
  position: fixed;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 18px;
  z-index: 99
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border-strong);
  cursor: pointer;
  transition: all .3s
}

.dot:hover,
.dot.on {
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .2);
  transform: scale(1.3)
}

/* 컨테이너 — 와이드 */
.wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px 0 60px;
  position: relative;
  z-index: 1
}

section {
  padding: 96px 0 0
}

section:last-of-type {
  padding-bottom: 80px
}

/* 카드 */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 24px rgba(37, 99, 235, .05);
  transition: all .3s
}

.card:hover {
  background: var(--surface-hover);
  box-shadow: 0 8px 32px rgba(37, 99, 235, .09)
}

/* 2단 그리드 카드 */
.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px
}

.card-grid .card {
  margin: 0
}

/* 섹션 레이블/타이틀 */
.slabel {
  font-size: 11px;
  font-weight: 500;
  color: var(--blue);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-family: var(--mono)
}

.stitle {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.5px;
  margin-bottom: 32px
}

/* HERO */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 56px
}

.htag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  color: var(--blue);
  letter-spacing: 3px;
  text-transform: uppercase;
  background: var(--blue-bg);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  padding: 5px 14px;
  margin-bottom: 28px;
  font-family: var(--mono)
}

.hname-big {
  font-size: clamp(52px, 8vw, 80px);
  font-weight: 700;
  letter-spacing: -3px;
  line-height: 1.0;
  color: var(--text);
  margin-bottom: 10px
}

.hname-big span {
  color: var(--blue)
}

.hrole {
  font-size: 16px;
  color: var(--text-sub);
  margin-bottom: 24px
}

.hdesc {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 560px;
  line-height: 1.9;
  margin-bottom: 20px;
  font-weight: 400
}

.hmetrics {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px
}

.hmetric {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 10px 18px;
  backdrop-filter: blur(10px)
}

.hmetric-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--blue);
  font-family: var(--mono)
}

.hmetric-label {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--mono)
}

.hlinks {
  display: flex;
  gap: 10px;
  flex-wrap: wrap
}

.hlink {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  transition: all .25s;
  font-family: var(--mono)
}

.hlink.pri {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, .3)
}

.hlink.pri:hover {
  background: var(--blue-light);
  transform: translateY(-1px)
}

.hlink.sec {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--blue);
  backdrop-filter: blur(10px)
}

.hlink.sec:hover {
  background: var(--blue-bg);
  border-color: var(--blue)
}

/* 프로젝트 헤더 */
.phead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 6px;
  flex-wrap: wrap
}

.ptitle {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.3px
}

.pbadge {
  font-size: 10px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--blue);
  color: #fff;
  white-space: nowrap;
  font-family: var(--mono)
}

.psub {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 22px;
  font-family: var(--mono)
}

/* 스크린샷 */
.shots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px
}

.shot {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 9/16;
  background: #e8eeff;
  box-shadow: 0 2px 12px rgba(37, 99, 235, .07)
}

.shot img {
  width: 100%;
  height: 100%;
  object-fit: cover
}

.shotlabel {
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
  font-family: var(--mono)
}

/* 소제목 */
.subh {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  margin: 28px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  letter-spacing: .5px
}

/* 태그 카테고리 */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 8px
}

.stack-group {
  background: var(--blue-bg);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 14px 16px
}

.stack-group-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  font-family: var(--mono);
  margin-bottom: 8px;
  letter-spacing: .5px
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px
}

.tag {
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .7);
  border: 1px solid var(--border-strong);
  color: var(--text-sub);
  transition: all .2s
}

.tag:hover {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue)
}

/* 파란 박스 */
.bbox {
  background: var(--blue);
  border-radius: 14px;
  padding: 22px 26px;
  color: #fff;
  margin: 16px 0
}

.bbox-t {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
  opacity: .9;
  font-family: var(--mono);
  letter-spacing: .5px
}

.bbox p {
  font-size: 13px;
  line-height: 1.8;
  opacity: .85
}

/* 의사결정 카드 */
.decision-flow {
  display: flex;
  flex-direction: column;
  gap: 0
}

.df-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 0;
  border-left: 2px solid var(--border-strong);
  margin-left: 12px;
  padding: 12px 0 12px 20px;
  position: relative
}

.df-step::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .15)
}

.df-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--blue);
  padding-top: 2px;
  letter-spacing: .5px
}

.df-content {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7
}

.df-content strong {
  color: var(--text);
  font-weight: 700
}

/* IAM */
.igrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 12px 0
}

.iitem {
  background: var(--blue-bg);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 14px 16px;
  text-align: center
}

.iname {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--blue);
  font-weight: 700;
  margin-bottom: 4px
}

.irole {
  font-size: 12px;
  color: var(--text-sub);
  margin-bottom: 6px
}

.iperms {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--mono)
}

/* 모니터링 플로우 */
.mflow {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 12px 0
}

.mnode {
  font-family: var(--mono);
  font-size: 11px;
  padding: 5px 13px;
  border-radius: 6px;
  background: var(--blue-bg);
  border: 1px solid var(--border-strong);
  color: var(--blue);
  font-weight: 500
}

.marrow {
  color: var(--text-muted);
  font-size: 12px
}

/* 아키텍처 이미지 */
.aimg {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(37, 99, 235, .07);
  margin-bottom: 8px
}

/* 파이프라인 */
.pipe {
  display: flex;
  flex-direction: column
}

.pstep {
  display: flex;
  gap: 16px;
  padding: 12px 0 12px 20px;
  border-left: 2px solid var(--border-strong);
  margin-left: 8px;
  position: relative
}

.pstep::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .15)
}

.psname {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  min-width: 160px
}

.psdesc {
  font-size: 13px;
  color: var(--text-sub)
}

/* 코드 */
pre {
  background: rgba(37, 99, 235, .05);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-sub);
  overflow-x: auto;
  margin: 10px 0;
  line-height: 1.7
}

code {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--blue-bg);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--blue)
}

/* 트러블슈팅 */
.twrap {
  display: flex;
  flex-direction: column;
  gap: 8px
}

.titem {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, .4);
  backdrop-filter: blur(10px);
  transition: border-color .2s
}

.titem.open {
  border-color: var(--border-strong)
}

.thead {
  padding: 14px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background .2s
}

.thead:hover {
  background: var(--blue-bg)
}

.tnum {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  min-width: 22px
}

.ttitle {
  font-size: 13px;
  color: var(--text-sub);
  flex: 1;
  font-weight: 500
}

.tarrow {
  font-size: 11px;
  color: var(--text-muted);
  transition: transform .2s
}

.titem.open .tarrow {
  transform: rotate(180deg)
}

.tbody {
  display: none;
  padding: 0 20px 18px;
  border-top: 1px solid var(--border)
}

.titem.open .tbody {
  display: block
}

.tlabel {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 4px;
  margin: 12px 4px 6px 0
}

.ts {
  background: rgba(239, 68, 68, .1);
  border: 1px solid rgba(239, 68, 68, .2);
  color: var(--danger)
}

.tc {
  background: rgba(245, 158, 11, .1);
  border: 1px solid rgba(245, 158, 11, .2);
  color: var(--warn)
}

.tf {
  background: rgba(16, 185, 129, .1);
  border: 1px solid rgba(16, 185, 129, .2);
  color: var(--ok)
}

.tl {
  background: var(--blue-bg);
  border: 1px solid var(--border-strong);
  color: var(--blue)
}

.tp {
  background: rgba(99, 102, 241, .1);
  border: 1px solid rgba(99, 102, 241, .2);
  color: #6366f1
}

.tbody p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 6px
}

/* 결과 박스 */
.rbox {
  background: var(--blue-bg);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 14px 18px;
  margin-top: 14px
}

.rbox-t {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 6px
}

.rbox p {
  font-size: 13px;
  color: var(--text-sub)
}

/* 메모리 바 */
.mbars {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 16px 0
}

.mlabel {
  font-size: 12px;
  color: var(--text-sub);
  margin-bottom: 5px;
  font-family: var(--mono)
}

.mtrack {
  height: 10px;
  background: rgba(37, 99, 235, .08);
  border-radius: 99px;
  overflow: hidden;
  border: 1px solid var(--border)
}

.mfill {
  height: 100%;
  border-radius: 99px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 6px;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  color: #fff;
  transition: width 1.2s ease
}

.md {
  background: var(--danger)
}

.mw {
  background: var(--warn)
}

.mo {
  background: var(--ok)
}

/* 운영현황 테이블 */
.ops-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px
}

.ops-table th {
  background: var(--blue-bg);
  color: var(--blue);
  font-weight: 700;
  padding: 10px 14px;
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .5px;
  border-bottom: 1px solid var(--border-strong)
}

.ops-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-sub)
}

.ops-table tr:last-child td {
  border-bottom: none
}

.ops-table td:first-child {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--blue);
  font-weight: 600
}

/* 사이드 구분선 */
.sdiv {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px
}

.sdiv-line {
  flex: 1;
  height: 1px;
  background: var(--border)
}

.sdiv-text {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-family: var(--mono)
}

/* 수상 배지 */
.award {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
  box-shadow: 0 2px 8px rgba(245, 158, 11, .3)
}

/* 링크 카드 */
.ncard {
  background: var(--blue-bg);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 10px;
  text-decoration: none;
  transition: all .2s
}

.ncard:hover {
  background: rgba(37, 99, 235, .12);
  border-color: var(--blue)
}

.ncard-t {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3px
}

.ncard-s {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--mono)
}

/* info */
.info {
  background: var(--blue-bg);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 13px;
  color: var(--text-sub);
  margin: 12px 0
}

/* 페이드인 */
.fi {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .55s ease, transform .55s ease
}

.fi.on {
  opacity: 1;
  transform: translateY(0)
}

/* 구분선 */
.div {
  height: 1px;
  background: var(--border);
  margin: 28px 0
}

/* 역할 배지 */
.role-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(37, 99, 235, .1);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  font-family: var(--mono);
  margin-bottom: 16px
}

/* footer */
footer {
  padding: 48px 0 40px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px
}

.fname {
  font-size: 15px;
  font-weight: 700;
  color: var(--blue)
}

.flinks {
  display: flex;
  gap: 20px
}

.flink {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color .2s
}

.flink:hover {
  color: var(--blue)
}

@media(max-width:900px) {
  header {
    padding: 0 20px
  }

  .wrap {
    padding: 0 20px 0 44px
  }

  .dots {
    left: 10px
  }

  .card-grid {
    grid-template-columns: 1fr
  }

  .igrid {
    grid-template-columns: 1fr
  }

  .shots {
    grid-template-columns: 1fr 1fr
  }

  .hnav {
    display: none
  }

  .stack-grid {
    grid-template-columns: 1fr 1fr
  }
}