:root {
  --cu-blue: #75aadb;
  --cu-blue-dark: #1f5f8b;
  --cu-navy: #173b57;
  --cu-ink: #213547;
  --cu-muted: #607487;
  --cu-canvas: #f4f7fa;
  --cu-surface: #ffffff;
  --cu-soft-blue: #eaf4fb;
  --cu-border: #dbe5ec;
  --cu-shadow: 0 12px 32px rgba(23, 59, 87, 0.08);
  --cu-radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--cu-canvas);
  color: var(--cu-ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #176a9d;
  text-decoration-color: rgba(23, 106, 157, 0.34);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}

a:hover,
a:focus-visible {
  color: #0d4e78;
  text-decoration: underline;
  text-decoration-color: currentColor;
}

a:focus-visible {
  border-radius: 4px;
  outline: 3px solid rgba(117, 170, 219, 0.45);
  outline-offset: 3px;
}

header {
  width: 100%;
  margin: 0 0 clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.15rem, 3vw, 2.1rem) 0 0;
  background:
    radial-gradient(circle at 50% -30%, rgba(117, 170, 219, 0.2), transparent 48%),
    var(--cu-surface);
  border-top: 5px solid var(--cu-blue);
  border-bottom: 1px solid var(--cu-border);
  box-shadow: 0 5px 18px rgba(23, 59, 87, 0.06);
}

header .logo {
  width: min(90%, 1080px);
  margin: 0 auto;
}

header .logo:first-child {
  display: grid;
  grid-template-columns: 1fr 1.35fr 1fr;
  align-items: center;
  gap: clamp(1rem, 4vw, 3rem);
  margin-bottom: 1.2rem;
}

header .logo:first-child a {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-wimnet,
.logo-img,
.snl-img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  margin: 0;
}

.logo-wimnet {
  max-height: 56px;
}

.logo-img {
  justify-self: center;
  max-height: 62px;
}

.snl-img {
  max-height: 45px;
}

header .logo:nth-child(2) {
  display: flex;
  justify-content: center;
  margin-bottom: 1.4rem;
  text-align: center;
}

header .logo:nth-child(2) br {
  display: none;
}

header h1 {
  max-width: 1100px;
  margin: 0;
  color: var(--cu-navy);
  font-size: clamp(1.45rem, 2.3vw, 2.05rem);
  font-weight: 680;
  letter-spacing: -0.035em;
  line-height: 1.18;
  white-space: nowrap;
}

.nav-bar {
  width: 100%;
  padding: 0.55rem 1rem;
  background: rgba(234, 244, 251, 0.72);
  border-top: 1px solid rgba(117, 170, 219, 0.28);
}

.middle-nav-bar {
  display: flex;
  width: min(100%, 1050px);
  margin: 0 auto;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.middle-nav-bar a {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  color: var(--cu-navy);
  font-size: 0.93rem;
  font-weight: 620;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.middle-nav-bar a:hover,
.middle-nav-bar a:focus-visible {
  background: rgba(117, 170, 219, 0.2);
  color: #123f62;
  text-decoration: none;
}

.middle-nav-bar a[aria-current="page"] {
  background: var(--cu-blue-dark);
  color: #fff;
  box-shadow: 0 4px 12px rgba(31, 95, 139, 0.2);
}

.index,
.about,
.description-page,
.contact {
  width: 100%;
  background: transparent;
}

.parent,
.latest-results,
.description,
.access-condition,
.access-request,
.contact .parent {
  width: min(92%, 1040px);
}

.index .description.parent,
.about .methodology.parent,
.description-page > .description,
.description-page > .access-condition,
.description-page > .access-request,
.contact > .parent {
  margin: 0 auto 1.5rem;
  padding: clamp(1.35rem, 3.5vw, 2.75rem);
  background: var(--cu-surface);
  border: 1px solid var(--cu-border);
  border-radius: var(--cu-radius);
  box-shadow: var(--cu-shadow);
}

p {
  margin: 0 0 1rem;
}

h1,
h2,
h3 {
  color: var(--cu-navy);
}

h2 {
  align-self: center;
  margin: 0 0 1.45rem;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 680;
  letter-spacing: -0.02em;
  line-height: 1.25;
  text-align: center;
}

h2::after {
  display: block;
  width: 48px;
  height: 3px;
  margin: 0.55rem auto 0;
  background: var(--cu-blue);
  border-radius: 999px;
  content: "";
}

h3 {
  margin: 1.4rem 0 0.65rem;
  font-size: 1.1rem;
  font-weight: 680;
  line-height: 1.4;
}

ul,
ol {
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
}

li {
  margin: 0.3rem 0;
  padding-left: 0.2rem;
}

.inside,
.outside {
  padding-left: 1.5rem;
}

/* Home */
.index .description.parent {
  margin-bottom: 0;
}

.index .description > .description-text:first-child {
  margin-bottom: 2.5rem;
  color: #334c5f;
  font-size: clamp(1rem, 1.2vw, 1.08rem);
}

.index .description h2 {
  margin-top: 2.4rem;
}

.index .description h2:first-of-type {
  margin-top: 0;
}

.index .description h2 ~ .description-text {
  margin-bottom: 0.9rem;
  padding: 1rem 1.1rem;
  background: #f8fbfd;
  border: 1px solid var(--cu-border);
  border-left: 4px solid var(--cu-blue);
  border-radius: 10px;
}

.index .description-text .fa-file-pdf-o {
  margin-right: 0.2rem;
  color: #bd3d3d !important;
}

.index .description-text strong a {
  display: inline-block;
  margin-top: 0.15rem;
  padding: 0.12rem 0.48rem;
  background: #fff4cf;
  border: 1px solid #f0d983;
  border-radius: 999px;
  color: #72580a;
  font-size: 0.92em;
  text-decoration: none;
}

/* Methodology */
.about .methodology.parent {
  margin-bottom: 0;
}

.data-collection {
  width: 100%;
  margin-bottom: 2.5rem;
}

.methodology-text {
  margin-bottom: 1.15rem;
}

.methodology-text > h3 {
  padding-top: 0.5rem;
  border-top: 1px solid var(--cu-border);
}

.fig-div {
  width: 100%;
}

.about .fig {
  width: 100%;
  max-width: 100%;
  margin: 0.5rem auto 1.6rem;
  border: 1px solid var(--cu-border);
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(23, 59, 87, 0.08);
}

.table-container {
  max-height: 440px;
  border: 1px solid var(--cu-border);
  border-radius: 10px;
  overflow: auto;
}

/* Data description and approved usage */
.description-page > .description,
.description-page > .access-condition,
.description-page > .access-request {
  align-self: center;
}

.description-page .figures {
  margin: 2rem 0 0;
}

.description-page .metadata {
  width: 100% !important;
  margin: 0 0 1.6rem !important;
}

.description-page .metadata:last-child {
  margin-bottom: 0 !important;
}

.metadata-table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--cu-border);
  border-radius: 10px;
  box-shadow: inset -14px 0 18px -20px rgba(23, 59, 87, 0.65);
  overscroll-behavior-inline: contain;
  scrollbar-color: var(--cu-blue) #e9eef2;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.metadata-table-scroll:focus-visible {
  outline: 3px solid rgba(117, 170, 219, 0.5);
  outline-offset: 3px;
}

.metadata-table-scroll table {
  width: max-content;
  min-width: 100%;
  border-radius: 0;
}

.metadata-table-scroll th {
  min-width: 110px;
  white-space: normal;
}

.flow-metadata th:nth-child(1) { min-width: 95px; }
.flow-metadata th:nth-child(2) { min-width: 130px; }
.flow-metadata th:nth-child(3) { min-width: 190px; }
.flow-metadata th:nth-child(4),
.flow-metadata th:nth-child(5) { min-width: 145px; }
.flow-metadata th:nth-child(6),
.flow-metadata th:nth-child(7) { min-width: 155px; }
.flow-metadata th:nth-child(8),
.flow-metadata th:nth-child(9) { min-width: 120px; }
.flow-metadata th:nth-child(10) { min-width: 190px; }
.flow-metadata th:nth-child(11) { min-width: 250px; }
.flow-metadata th:nth-child(12) { min-width: 105px; }

.dns-metadata th:nth-child(1) { min-width: 155px; }
.dns-metadata th:nth-child(2) { min-width: 95px; }
.dns-metadata th:nth-child(3),
.dns-metadata th:nth-child(4) { min-width: 120px; }
.dns-metadata th:nth-child(5),
.dns-metadata th:nth-child(6) { min-width: 215px; }
.dns-metadata th:nth-child(7),
.dns-metadata th:nth-child(8) { min-width: 120px; }
.dns-metadata th:nth-child(9) { min-width: 145px; }
.dns-metadata th:nth-child(10) { min-width: 155px; }
.dns-metadata th:nth-child(11),
.dns-metadata th:nth-child(12) { min-width: 135px; }
}

.description-page .access-request {
  border-top: 4px solid var(--cu-blue);
  text-align: center;
}

.description-page .access-request > br,
.description-page .access-condition > br {
  display: none;
}

table {
  display: table;
  width: 100%;
  border: 0 !important;
  border-collapse: separate !important;
  border-spacing: 0 !important;
  overflow: visible;
  background: var(--cu-surface);
  font-size: 0.92rem;
}

th,
td {
  height: auto !important;
  padding: 0.75rem 0.85rem !important;
  border: 0 !important;
  border-right: 1px solid var(--cu-border) !important;
  border-bottom: 1px solid var(--cu-border) !important;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--cu-navy);
  color: #fff;
  font-weight: 650;
  line-height: 1.3;
}

tr:nth-child(even) td {
  background: #f8fbfd;
}

tr:hover td {
  background: var(--cu-soft-blue);
}

.description-page table {
  border-top: 1px solid var(--cu-border) !important;
  border-left: 1px solid var(--cu-border) !important;
  border-radius: 10px;
}

.description-page .metadata-table-scroll table {
  border: 0 !important;
  border-radius: 0;
}

/* Findings */
.latest-results {
  margin: -1.25rem auto 0;
}

.latest-results > .results-header {
  margin-bottom: 0.8rem;
}

.latest-results > p {
  margin-bottom: 0;
}

.latest-results > h3 {
  margin: 1.25rem 0 0;
  padding: 1.35rem 1.5rem 0.7rem;
  background: var(--cu-surface);
  border: 1px solid var(--cu-border);
  border-bottom: 0;
  border-radius: var(--cu-radius) var(--cu-radius) 0 0;
  box-shadow: 0 7px 20px rgba(23, 59, 87, 0.06);
}

.latest-results > .fig-div {
  align-self: stretch;
  padding: 0.5rem 1.5rem 1.5rem;
  background: var(--cu-surface);
  border: 1px solid var(--cu-border);
  border-top: 0;
  border-radius: 0 0 var(--cu-radius) var(--cu-radius);
  box-shadow: 0 12px 24px rgba(23, 59, 87, 0.07);
}

.latest-results > .fig-div + .fig-div {
  margin-top: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--cu-border);
  border-radius: var(--cu-radius);
}

.latest-results .fig {
  max-width: 100%;
  height: auto;
  margin: 0.6rem auto 1.2rem;
  border: 1px solid var(--cu-border);
  border-radius: 10px;
}

/* Contact */
.contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0;
}

.contact > h2 {
  margin-top: 0;
}

.contact > h2:not(:first-child) {
  margin-top: 1.5rem;
}

.contact > .parent {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.contact > .parent:first-of-type {
  grid-template-columns: 1fr;
  width: min(92%, 680px);
}

.team-member {
  margin: 0;
  padding: 1.15rem;
  background: #f8fbfd;
  border: 1px solid var(--cu-border);
  border-top: 3px solid var(--cu-blue);
  border-radius: 10px;
  overflow-wrap: anywhere;
}

.name {
  margin-bottom: 0.2rem;
  color: var(--cu-blue-dark);
  font-size: 1.13rem;
  font-weight: 700;
}

.role {
  margin-bottom: 0.45rem;
  color: var(--cu-muted);
  font-style: normal;
}

.contact p.note {
  grid-column: 1 / -1;
  margin: 0.75rem 0 0;
  color: var(--cu-muted);
  text-align: center;
}

/* Footer */
.footer {
  width: 100%;
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  padding: 1.5rem 1rem;
  background: var(--cu-navy);
  color: rgba(255, 255, 255, 0.86);
}

.inside-footer {
  width: min(100%, 1040px);
  margin: 0 auto;
  background: transparent;
  gap: 0.15rem;
  text-align: center;
}

.inside-footer p {
  margin: 0;
  font-size: 0.88rem;
}

@media (max-width: 760px) {
  body {
    font-size: 15.5px;
  }

  header {
    padding-top: 1rem;
  }

  header .logo:first-child {
    width: 94%;
    gap: 0.7rem;
    margin-bottom: 0.9rem;
  }

  .logo-wimnet {
    max-height: 38px;
  }

  .logo-img {
    max-height: 43px;
  }

  .snl-img {
    max-height: 32px;
  }

  header .logo:nth-child(2) {
    width: 90%;
    margin-bottom: 1rem;
  }

  header h1 {
    font-size: clamp(1.05rem, 3vw, 1.2rem);
    white-space: nowrap;
  }

  .nav-bar {
    padding: 0.5rem;
  }

  .middle-nav-bar {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.3rem;
  }

  .middle-nav-bar a {
    display: flex;
    min-height: 2.35rem;
    padding: 0.5rem 0.62rem;
    align-items: center;
    justify-content: center;
    font-size: 0.84rem;
  }

  .index .description.parent,
  .about .methodology.parent,
  .description-page > .description,
  .description-page > .access-condition,
  .description-page > .access-request,
  .contact > .parent {
    width: calc(100% - 1.25rem);
    padding: 1.2rem;
    border-radius: 12px;
  }

  .contact > .parent,
  .contact > .parent:first-of-type {
    grid-template-columns: 1fr;
    width: calc(100% - 1.25rem);
  }

  .latest-results {
    width: calc(100% - 1.25rem);
  }

  .latest-results > h3,
  .latest-results > .fig-div {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .latest-results .fig {
    width: 100% !important;
  }

  .description-page .metadata,
  .table-container,
  .metadata-table-scroll {
    max-width: 100%;
    overflow-x: auto;
  }

  table {
    min-width: 680px;
  }

  .footer {
    margin-top: 2.5rem;
  }
}

@media (max-width: 460px) {
  header h1 {
    font-size: 1.25rem;
    white-space: normal;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}