:root {
  --paper: #f4f0e6;
  --paper-deep: #e8e1d3;
  --ink: #121716;
  --muted: #58615e;
  --line: #c7c0b2;
  --blue: #0e5f98;
  --blue-deep: #093958;
  --red: #af3133;
  --orange: #d65b35;
  --lime: #b8c735;
  --white: #fffdf8;
  --serif: "Noto Serif KR", "Iowan Old Style", "Batang", serif;
  --sans: "Noto Sans KR", "Malgun Gothic", "Segoe UI Variable", sans-serif;
  --mono: "Cascadia Mono", "D2Coding", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.55;
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  color: var(--white);
  background: var(--ink);
}

.skip-link:focus {
  top: 1rem;
}

.site-shell {
  width: min(100%, 1440px);
  min-height: 100vh;
  margin: 0 auto;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(13rem, 1fr) auto minmax(13rem, 1fr);
  align-items: center;
  min-height: 4.5rem;
  padding: 0 2.25rem;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 240, 230, 0.96);
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  width: max-content;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.wordmark-mark {
  display: inline-grid;
  width: 2.15rem;
  height: 2.15rem;
  place-items: center;
  color: var(--white);
  background: var(--ink);
  font-size: 0.78rem;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  border-bottom: 1px solid transparent;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  border-color: var(--ink);
  color: var(--ink);
}

.header-status {
  justify-self: end;
  max-width: 16rem;
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  text-align: right;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(14rem, 4fr);
  gap: 2rem;
  min-height: 31rem;
  padding: clamp(3.5rem, 8vw, 8rem) 2.25rem 3.75rem;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero::before,
.hero::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.hero::before {
  top: 0;
  bottom: 0;
  left: 66.66%;
  width: 1px;
  background: var(--line);
}

.hero::after {
  right: 2.25rem;
  bottom: 2rem;
  width: min(31vw, 24rem);
  height: min(31vw, 24rem);
  border: 1px solid var(--blue);
  opacity: 0.26;
  transform: rotate(45deg);
}

.hero-copy,
.hero-ledger {
  position: relative;
  z-index: 1;
}

.hero-copy {
  align-self: end;
  max-width: 52rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--ink);
  font-weight: 800;
}

h1 {
  max-width: 13ch;
  margin-bottom: 1.4rem;
  font-family: var(--serif);
  font-size: clamp(2.8rem, 6.4vw, 6.4rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 43rem;
  margin: 0;
  color: #3d4744;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 800;
}

.button-primary {
  color: var(--white);
  background: var(--ink);
}

.button-primary:hover,
.button-primary:focus-visible {
  color: var(--ink);
  background: var(--lime);
}

.button-secondary {
  color: var(--ink);
  background: transparent;
}

.button-secondary:hover,
.button-secondary:focus-visible {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
}

.hero-ledger {
  align-self: end;
  max-width: 18rem;
  padding: 1.25rem 0 0 1.5rem;
  border-top: 3px solid var(--ink);
}

.hero-ledger p {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.71rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hero-ledger ol {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-ledger li {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  color: #333d3a;
  font-size: 0.94rem;
}

.hero-ledger span {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 800;
}

.section-rule {
  padding: 4.5rem 2.25rem;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.7fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 1.75rem;
}

.section-heading .eyebrow {
  margin-bottom: 0.55rem;
}

h2 {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.2vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: 0;
}

.section-note {
  max-width: 31rem;
  margin: 0 0 0.25rem auto;
  color: var(--muted);
  font-size: 0.93rem;
}

.latest-card-region {
  min-height: 22rem;
}

.research-state {
  display: grid;
  min-height: 20rem;
  place-items: center;
  padding: 2rem;
  border: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
}

.research-state.error {
  border-color: var(--red);
  color: #7b2527;
}

.research-state strong {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.55rem;
}

.featured-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(16rem, 4fr);
  border: 1px solid var(--ink);
  background: var(--white);
  box-shadow: 0.7rem 0.7rem 0 var(--paper-deep);
  overflow: hidden;
}

.featured-card::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 66.66%;
  width: 1px;
  background: var(--line);
  content: "";
}

.featured-card-head,
.featured-card-side {
  position: relative;
  z-index: 1;
}

.featured-card-head {
  padding: 2rem;
}

.issue-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  margin-bottom: 1.6rem;
  font-family: var(--mono);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.issue-state {
  display: inline-flex;
  padding: 0.22rem 0.45rem;
  color: var(--white);
  background: var(--blue);
  letter-spacing: 0;
}

.issue-state.pending {
  color: var(--ink);
  background: var(--lime);
}

.issue-state.hold {
  color: var(--white);
  background: var(--orange);
}

.company-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: baseline;
}

.company-line h3 {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4.2vw, 4.2rem);
  line-height: 1.08;
}

.ticker {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 800;
}

.stance {
  margin: 0.85rem 0 1.4rem;
  color: var(--muted);
  font-size: 0.87rem;
  font-weight: 700;
}

.thesis {
  max-width: 45rem;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.28rem, 2vw, 1.86rem);
  line-height: 1.44;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 2.1rem;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.metric {
  min-height: 8.5rem;
  padding: 1rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric span,
.detail-block > span {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.metric strong {
  display: block;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.25;
}

.metric small {
  display: block;
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.4;
}

.detail-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.detail-block {
  min-width: 0;
  padding-top: 1rem;
  border-top: 3px solid var(--ink);
}

.detail-block.risk {
  border-color: var(--red);
}

.detail-block h4 {
  margin: 0 0 0.75rem;
  font-family: var(--serif);
  font-size: 1.3rem;
}

.detail-block ul {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.detail-block li {
  position: relative;
  padding-left: 1rem;
  color: #35403c;
  font-size: 0.9rem;
}

.detail-block li::before {
  position: absolute;
  top: 0.6rem;
  left: 0;
  width: 0.32rem;
  height: 0.32rem;
  background: var(--blue);
  content: "";
}

.detail-block.risk li::before {
  background: var(--red);
}

.featured-card-side {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 2rem;
  background: var(--ink);
  color: var(--white);
}

.featured-card-side h4 {
  margin: 0 0 1.25rem;
  color: var(--white);
  font-family: var(--serif);
  font-size: 1.6rem;
}

.evidence-grade {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.evidence-grade strong {
  color: var(--lime);
  font-family: var(--serif);
  font-size: 3.8rem;
  line-height: 1;
}

.evidence-grade span {
  color: #d1d7cf;
  font-size: 0.85rem;
}

.source-type-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.source-type-list li {
  padding: 0.3rem 0.45rem;
  border: 1px solid #69736d;
  color: #e0e6df;
  font-family: var(--mono);
  font-size: 0.67rem;
}

.side-review {
  margin: 0;
  padding-top: 1.25rem;
  border-top: 1px solid #56615a;
  color: #d8ded6;
  font-size: 0.87rem;
}

.next-review {
  margin-top: auto;
  padding-top: 2.2rem;
}

.next-review span {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.next-review strong {
  display: block;
  color: var(--white);
  font-family: var(--serif);
  font-size: 1.35rem;
}

.next-review p {
  margin: 0.35rem 0 0;
  color: #c8d0c8;
  font-size: 0.84rem;
}

.card-disclaimer {
  grid-column: 1 / -1;
  margin: 0;
  padding: 1rem 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.74rem;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}

.method-grid article {
  min-height: 15rem;
  padding: 1.35rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.method-grid span {
  display: block;
  margin-bottom: 2.5rem;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 800;
}

.method-grid h3 {
  margin-bottom: 0.7rem;
  font-family: var(--serif);
  font-size: 1.45rem;
}

.method-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.source-ledger {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  margin-top: 1.25rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.source-ledger p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.source-ledger strong {
  color: var(--ink);
}

.source-ledger ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: end;
  margin: 0;
  padding: 0;
  list-style: none;
}

.source-ledger li {
  color: var(--blue-deep);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 800;
}

.archive-list {
  border-top: 1px solid var(--ink);
}

.archive-row {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr) 7rem 7rem;
  gap: 1rem;
  align-items: center;
  min-height: 4.8rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
}

.archive-date,
.archive-meta {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.76rem;
}

.archive-name {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: baseline;
  min-width: 0;
}

.archive-name strong {
  font-family: var(--serif);
  font-size: 1.16rem;
}

.archive-name span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.73rem;
  font-weight: 800;
}

.archive-grade {
  justify-self: start;
  padding: 0.22rem 0.42rem;
  border: 1px solid var(--blue);
  color: var(--blue-deep);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
}

.archive-empty {
  margin: 0;
  padding: 1.25rem 0;
  color: var(--muted);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding: 1.75rem 2.25rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.site-footer p {
  max-width: 56rem;
  margin: 0;
}

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    justify-self: end;
  }

  .header-status {
    display: none;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(13rem, 0.55fr);
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .featured-card {
    grid-template-columns: minmax(0, 1fr) minmax(15rem, 0.7fr);
  }

  .featured-card::before {
    left: 58.8%;
  }
}

@media (max-width: 720px) {
  .site-shell {
    border-right: 0;
    border-left: 0;
  }

  .site-header {
    position: relative;
    grid-template-columns: 1fr;
    gap: 0.55rem;
    padding: 1rem 1.1rem;
  }

  .site-nav {
    justify-self: start;
    width: 100%;
    gap: 1rem;
    overflow-x: auto;
  }

  .site-nav a {
    flex: 0 0 auto;
  }

  .hero,
  .section-rule {
    padding-right: 1.1rem;
    padding-left: 1.1rem;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 4rem;
  }

  .hero::before {
    top: 60%;
    right: 0;
    bottom: auto;
    left: 0;
    width: auto;
    height: 1px;
  }

  .hero::after {
    right: -5rem;
    bottom: -4rem;
    width: 14rem;
    height: 14rem;
  }

  .hero-ledger {
    max-width: none;
    padding: 1.25rem 0 0;
  }

  .section-rule {
    padding-top: 3.25rem;
    padding-bottom: 3.25rem;
  }

  .section-heading,
  .featured-card,
  .detail-columns,
  .method-grid,
  .source-ledger {
    grid-template-columns: 1fr;
  }

  .section-note {
    margin-left: 0;
  }

  .featured-card::before {
    top: auto;
    right: 0;
    bottom: 34%;
    left: 0;
    width: auto;
    height: 1px;
  }

  .featured-card-head,
  .featured-card-side {
    padding: 1.25rem;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric {
    min-height: 7.9rem;
  }

  .card-disclaimer {
    padding: 0.9rem 1.25rem;
  }

  .method-grid article {
    min-height: auto;
  }

  .method-grid span {
    margin-bottom: 1.35rem;
  }

  .source-ledger ul {
    justify-content: start;
  }

  .archive-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.35rem 1rem;
    padding: 1rem 0;
  }

  .archive-date {
    grid-column: 1 / -1;
  }

  .archive-meta {
    display: none;
  }

  .archive-grade {
    justify-self: end;
  }

  .site-footer {
    padding: 1.5rem 1.1rem;
  }
}

@media (max-width: 390px) {
  h1 {
    font-size: 2.65rem;
  }

  .wordmark {
    font-size: 0.66rem;
  }

  .site-nav {
    gap: 0.8rem;
  }

  .site-nav a {
    font-size: 0.77rem;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .company-line h3 {
    font-size: 2.1rem;
  }
}

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