:root {
  --ink: #172033;
  --muted: #647084;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --line: #dfe5ea;
  --teal: #0f766e;
  --teal-dark: #0b4f4a;
  --blue: #2457a6;
  --gold: #b8872d;
  --rose: #9f4664;
  --shadow: 0 24px 60px rgba(23, 32, 51, 0.13);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(15, 118, 110, 0.045) 1px, transparent 1px),
    linear-gradient(0deg, rgba(36, 87, 166, 0.04) 1px, transparent 1px),
    var(--paper);
  background-size: 44px 44px;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 52px);
  background: rgba(251, 250, 247, 0.92);
  border-bottom: 1px solid rgba(223, 229, 234, 0.92);
  backdrop-filter: blur(18px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand strong,
.footer-brand {
  display: block;
  font-family: Arial, sans-serif;
  font-size: 18px;
  letter-spacing: 0;
}

.brand small {
  display: block;
  color: var(--muted);
  font-family: Arial, sans-serif;
  font-size: 12px;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2vw, 26px);
  color: #354153;
  font-family: Arial, sans-serif;
  font-size: 14px;
}

.main-nav a {
  border-bottom: 2px solid transparent;
  padding: 8px 0;
}

.main-nav a:hover {
  color: var(--teal-dark);
  border-color: var(--gold);
}

.nav-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-family: Arial, sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.nav-action {
  color: #fff;
  background: var(--ink);
  box-shadow: 0 10px 24px rgba(23, 32, 51, 0.16);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  column-gap: clamp(28px, 4.5vw, 58px);
  row-gap: 24px;
  align-items: center;
  max-width: var(--max);
  min-height: auto;
  margin: 0 auto;
  padding: clamp(34px, 6vw, 82px) clamp(18px, 4vw, 30px) 24px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 34px 16px auto auto;
  width: min(38vw, 440px);
  height: 58%;
  background:
    linear-gradient(135deg, rgba(184, 135, 45, 0.12), transparent 48%),
    linear-gradient(180deg, rgba(15, 118, 110, 0.12), rgba(36, 87, 166, 0.08));
  clip-path: polygon(20% 0, 100% 8%, 82% 100%, 0 86%);
  pointer-events: none;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--teal-dark);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(38px, 5.6vw, 68px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 650px;
  margin: 24px 0 0;
  color: #415066;
  font-size: clamp(18px, 2.1vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button.primary {
  color: #fff;
  background: var(--teal);
}

.button.secondary {
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
}

.hero-visual {
  position: relative;
  z-index: 1;
  padding: clamp(10px, 2vw, 18px);
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(223, 229, 234, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  border-radius: calc(var(--radius) - 2px);
}

.status-strip {
  position: relative;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  background: var(--ink);
  border-radius: var(--radius);
  box-shadow: 0 18px 44px rgba(23, 32, 51, 0.18);
}

.status-strip span {
  display: block;
  min-width: 0;
  padding: 18px;
  color: #d9e7ed;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  font-family: Arial, sans-serif;
  font-size: 14px;
}

.status-strip span:last-child {
  border-right: 0;
}

.status-strip strong {
  display: block;
  color: #fff;
  margin-bottom: 2px;
}

.notice-band,
.section-shell,
.indexing-band,
.site-footer {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
}

.notice-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 24px;
  background: #fff8e8;
  border: 1px solid #efd9a7;
  border-radius: var(--radius);
  font-family: Arial, sans-serif;
}

.notice-band p {
  margin: 0;
}

.notice-band a {
  flex: 0 0 auto;
  color: var(--teal-dark);
  font-weight: 800;
}

.section-shell {
  padding: clamp(70px, 9vw, 112px) 0;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4.6vw, 56px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
}

.section-shell p {
  color: #526073;
}

.issue-panel {
  padding: clamp(22px, 4vw, 34px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.issue-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.issue-meta span,
.index-tags span {
  padding: 8px 12px;
  color: var(--teal-dark);
  background: #e8f5f2;
  border: 1px solid #cbe5df;
  border-radius: 999px;
  font-family: Arial, sans-serif;
  font-size: 13px;
  font-weight: 700;
}

.issue-panel article {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.issue-panel article a {
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
}

.issue-panel article p {
  margin: 4px 0 0;
  font-family: Arial, sans-serif;
  font-size: 14px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.tool-card {
  min-height: 254px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.tool-card:hover {
  transform: translateY(-4px);
  border-color: rgba(15, 118, 110, 0.42);
  box-shadow: 0 18px 36px rgba(23, 32, 51, 0.1);
}

.tool-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 22px;
  color: #fff;
  background: var(--blue);
  border-radius: 50%;
  font-family: Arial, sans-serif;
  font-size: 13px;
  font-weight: 800;
}

.tool-card:nth-child(2) .tool-icon {
  background: var(--teal);
}

.tool-card:nth-child(3) .tool-icon {
  background: var(--gold);
}

.tool-card:nth-child(4) .tool-icon {
  background: var(--rose);
}

.tool-card p {
  margin-bottom: 0;
}

.metrics-section {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.metric {
  padding: clamp(26px, 4vw, 42px) 22px;
  background: #fff;
  text-align: center;
}

.metric strong {
  display: block;
  color: var(--teal-dark);
  font-family: Arial, sans-serif;
  font-size: clamp(30px, 4.5vw, 48px);
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-family: Arial, sans-serif;
  font-size: 14px;
}

.policies-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 80px);
}

.policy-list {
  display: grid;
  gap: 14px;
}

.policy-list article {
  padding: 22px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 5px solid var(--teal);
  border-radius: var(--radius);
}

.policy-list article:nth-child(2) {
  border-left-color: var(--blue);
}

.policy-list article:nth-child(3) {
  border-left-color: var(--gold);
}

.policy-list span {
  color: var(--muted);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.policy-list p {
  margin-bottom: 0;
}

.indexing-band {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(320px, 1fr);
  gap: clamp(24px, 5vw, 58px);
  align-items: center;
  padding: clamp(42px, 6vw, 62px);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.95), rgba(23, 32, 51, 0.96)),
    #172033;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.indexing-band .section-kicker,
.indexing-band h2 {
  color: #fff;
}

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

.index-tags span {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.editorial-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: center;
}

.timeline {
  position: relative;
  display: grid;
  gap: 14px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 22px;
  width: 2px;
  background: var(--line);
}

.timeline div {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px 20px 18px 0;
  background: linear-gradient(90deg, transparent 0, transparent 28px, #fff 28px);
  border: 1px solid var(--line);
  border-left: 0;
  border-radius: var(--radius);
}

.timeline span {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: #fff;
  background: var(--ink);
  border-radius: 50%;
  font-family: Arial, sans-serif;
  font-size: 11px;
  font-weight: 800;
}

.timeline strong {
  font-size: 18px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 34px 0 44px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  max-width: 520px;
  margin: 8px 0 0;
  color: var(--muted);
}

address {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-family: Arial, sans-serif;
  font-style: normal;
  text-align: right;
}

address strong {
  color: var(--ink);
}

address a:hover {
  color: var(--teal-dark);
}

.issue-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.44fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: end;
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(54px, 8vw, 92px) 0 clamp(34px, 5vw, 54px);
}

.issue-hero-copy h1 {
  margin: 0;
  font-size: clamp(44px, 8vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
}

.issue-hero-copy p:last-child {
  max-width: 720px;
  margin: 22px 0 0;
  color: #415066;
  font-size: clamp(18px, 2vw, 22px);
}

.issue-summary-card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.issue-label {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 8px 12px;
  color: #fff;
  background: var(--teal);
  border-radius: 999px;
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.issue-summary-card dl {
  display: grid;
  gap: 14px;
  margin: 0;
}

.issue-summary-card div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.issue-summary-card div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.issue-summary-card dt,
.issue-summary-card dd,
.sidebar-box,
.paper-type,
.paper-authors,
.paper-actions,
.download-actions,
.archive-grid {
  font-family: Arial, sans-serif;
}

.issue-summary-card dt {
  color: var(--muted);
  font-size: 13px;
}

.issue-summary-card dd {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
  text-align: right;
}

.issue-layout {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: clamp(22px, 4vw, 42px);
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: 0 0 clamp(70px, 9vw, 108px);
}

.issue-sidebar {
  display: grid;
  align-content: start;
  gap: 16px;
  position: sticky;
  top: 96px;
}

.sidebar-box {
  display: grid;
  gap: 10px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.sidebar-box h2 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.2;
}

.sidebar-box a {
  padding: 10px 12px;
  color: #334155;
  background: #f6f8fa;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
}

.sidebar-box a:hover {
  color: #fff;
  background: var(--teal);
}

.highlight-box {
  background: #fff8e8;
  border-color: #efd9a7;
}

.highlight-box p {
  margin: 0;
  color: #3f4756;
}

.small-note {
  font-size: 13px;
}

.article-list {
  min-width: 0;
}

.list-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.list-heading h2 {
  font-size: clamp(30px, 4vw, 48px);
}

.paper-card {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 22px;
  padding: clamp(22px, 4vw, 32px);
  margin-bottom: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(23, 32, 51, 0.06);
}

.featured-paper {
  border-color: rgba(15, 118, 110, 0.36);
  box-shadow: 0 18px 44px rgba(23, 32, 51, 0.11);
}

.paper-index {
  display: grid;
  width: 62px;
  height: 62px;
  place-items: center;
  color: #fff;
  background: var(--ink);
  border-radius: 50%;
  font-family: Arial, sans-serif;
  font-weight: 800;
}

.paper-type {
  display: inline-flex;
  margin-bottom: 9px;
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.paper-content h3 {
  max-width: 760px;
  font-size: clamp(22px, 3vw, 32px);
}

.paper-authors {
  margin: 8px 0 0;
  color: var(--blue);
  font-size: 15px;
  font-weight: 700;
}

.paper-abstract {
  max-width: 760px;
  margin: 12px 0 0;
  color: #526073;
}

.paper-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.paper-actions a,
.download-actions a,
.archive-grid a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  color: var(--ink);
  background: #f6f8fa;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
}

.paper-actions a:first-child {
  color: #fff;
  background: var(--teal);
  border-color: var(--teal);
}

.downloads-band {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: 24px;
  align-items: center;
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(34px, 5vw, 52px);
  color: #fff;
  background: linear-gradient(135deg, var(--ink), var(--teal-dark));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.downloads-band .section-kicker,
.downloads-band h2 {
  color: #fff;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.download-actions a {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.22);
}

.archive-section {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(70px, 9vw, 108px) 0;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.archive-grid a {
  min-height: 74px;
  border-radius: var(--radius);
  background: #fff;
}

.inner-hero {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(50px, 8vw, 88px) 0 clamp(24px, 4vw, 42px);
}

.inner-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(40px, 7vw, 78px);
  line-height: 1;
  letter-spacing: 0;
}

.inner-hero p:last-child {
  max-width: 760px;
  margin: 20px 0 0;
  color: #415066;
  font-size: clamp(18px, 2vw, 22px);
}

.content-layout {
  display: grid;
  grid-template-columns: 285px minmax(0, 1fr);
  gap: clamp(22px, 4vw, 42px);
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: 0 0 clamp(70px, 9vw, 108px);
}

.page-menu {
  position: sticky;
  top: 96px;
  align-self: start;
  display: grid;
  gap: 18px;
}

.menu-block {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.menu-block h2 {
  margin: 0;
  padding: 16px 18px;
  color: #fff;
  background: var(--ink);
  font-family: Arial, sans-serif;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.menu-block a {
  display: block;
  padding: 13px 18px;
  color: #334155;
  border-top: 1px solid var(--line);
  font-family: Arial, sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.menu-block a:hover,
.menu-block a[aria-current="page"] {
  color: #fff;
  background: var(--teal);
}

.content-main {
  min-width: 0;
}

.content-card {
  padding: clamp(24px, 4vw, 38px);
  margin-bottom: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 34px rgba(23, 32, 51, 0.07);
}

.content-card h2 {
  margin-bottom: 14px;
  font-size: clamp(26px, 3.6vw, 42px);
}

.content-card h3 {
  margin-top: 26px;
}

.content-card p,
.content-card li {
  color: #526073;
}

.content-card ul,
.content-card ol {
  padding-left: 22px;
}

.content-card li {
  margin: 8px 0;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.detail-tile {
  padding: 18px;
  background: #f6f8fa;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.detail-tile strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-family: Arial, sans-serif;
}

.page-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-cta a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  color: #fff;
  background: var(--teal);
  border-radius: 999px;
  font-family: Arial, sans-serif;
  font-size: 14px;
  font-weight: 800;
}

.page-cta a.secondary-link {
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .split-section,
  .policies-section,
  .indexing-band,
  .editorial-section,
  .issue-hero,
  .issue-layout,
  .downloads-band,
  .content-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero::before {
    display: none;
  }

  .tool-grid,
  .metrics-section,
  .archive-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .issue-sidebar {
    position: static;
  }

  .page-menu {
    position: static;
  }

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

  .list-heading,
  .download-actions {
    align-items: flex-start;
    justify-content: flex-start;
  }
}

@media (max-width: 660px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand {
    width: 100%;
  }

  .nav-action {
    min-height: 40px;
  }

  .hero {
    padding: 32px 18px 30px;
  }

  .hero h1 {
    font-size: clamp(36px, 13vw, 52px);
  }

  .status-strip {
    grid-template-columns: 1fr;
    margin-top: 20px;
  }

  .status-strip span {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .notice-band,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .tool-grid,
  .metrics-section,
  .archive-grid {
    grid-template-columns: 1fr;
  }

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

  .paper-index {
    width: 48px;
    height: 48px;
  }

  .indexing-band {
    padding: 30px 22px;
  }

  address {
    text-align: left;
  }
}
.paper-actions{
  display:flex;
  gap:12px;
  margin-top:20px;
}

.paper-actions a{
  text-decoration:none;
  padding:10px 18px;
  background:#003366;
  color:#fff;
  border-radius:6px;
  font-size:14px;
  transition:0.3s;
}

.paper-actions a:hover{
  background:#00509e;
}

/* Modal Background */
.citation-modal{
  display:none;
  position:fixed;
  z-index:999;
  left:0;
  top:0;
  width:100%;
  height:100%;
  background:rgba(0,0,0,0.5);
}

/* Modal Box */
.citation-box{
  background:#fff;
  width:60%;
  max-width:650px;
  margin:10% auto;
  padding:25px;
  border-radius:10px;
  position:relative;
  box-shadow:0 5px 20px rgba(0,0,0,0.2);
}

.citation-box h3{
  margin-bottom:15px;
  color:#003366;
}

.citation-box p{
  line-height:1.7;
  text-align:justify;
  color:#333;
}

/* Close Button */
.close-btn{
  position:absolute;
  right:15px;
  top:10px;
  font-size:28px;
  cursor:pointer;
  color:#555;
}

/* Copy Button */
.citation-box button{
  margin-top:20px;
  padding:10px 20px;
  border:none;
  background:#003366;
  color:#fff;
  border-radius:5px;
  cursor:pointer;
  font-size:14px;
}

.citation-box button:hover{
  background:#00509e;
}