:root {
  --ink: #172026;
  --text: #2a3238;
  --muted: #61707a;
  --paper: #fffdf8;
  --wash: #f6f4ee;
  --wash-strong: #ece7dd;
  --line: #d8d2c5;
  --teal: #0f766e;
  --teal-dark: #0a4f4a;
  --amber: #d97706;
  --coral: #c2410c;
  --blue: #2563eb;
  --plum: #6d28d9;
  --shadow: 0 18px 50px rgba(23, 32, 38, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

p,
h1,
h2,
h3 {
  margin-top: 0;
}

p {
  margin-bottom: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 30;
  transform: translateY(-150%);
  padding: 10px 14px;
  color: var(--paper);
  background: var(--ink);
  border-radius: 6px;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 253, 248, 0.95);
  border-bottom: 1px solid rgba(216, 210, 197, 0.8);
  backdrop-filter: blur(14px);
}

.nav-shell {
  width: min(1180px, calc(100% - 32px));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background:
    linear-gradient(90deg, var(--teal) 0 38%, var(--amber) 38% 68%, var(--coral) 68% 100%);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.34);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.15;
}

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

.brand small {
  color: var(--muted);
  font-size: 13px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-links a {
  padding: 10px 12px;
  color: var(--text);
  text-decoration: none;
  border-radius: 6px;
  font-size: 15px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-item.has-dropdown > .nav-link::after {
  content: "";
  width: 0;
  height: 0;
  margin-top: 2px;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
  border-top: 5px solid currentColor;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 25;
  display: grid;
  min-width: 210px;
  gap: 4px;
  padding: 8px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.nav-dropdown a {
  white-space: nowrap;
}

.nav-item.has-dropdown:hover .nav-dropdown,
.nav-item.has-dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--teal-dark);
  background: #e9f6f4;
  outline: none;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.nav-toggle-line {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 560px;
  height: 64vh;
  max-height: 720px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 88% 18%, rgba(15, 118, 110, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 70% 55% at 12% 88%, rgba(194, 65, 12, 0.14) 0%, transparent 60%),
    linear-gradient(180deg, #fffdf8 0%, #f6f2e8 100%);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.45;
  pointer-events: none;
}

.hero::before {
  top: -120px;
  right: -80px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.22), transparent 70%);
}

.hero::after {
  bottom: -140px;
  left: -100px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.18), transparent 70%);
}

.hero-overlay {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 78px 0 62px;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 76px;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-subtitle {
  max-width: 680px;
  margin-bottom: 22px;
  color: var(--ink);
  font-size: 32px;
  font-weight: 750;
  line-height: 1.18;
}

.hero-copy {
  max-width: 650px;
  margin-bottom: 30px;
  color: #39444a;
  font-size: 20px;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 760;
  line-height: 1.2;
  text-decoration: none;
}

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

.button.secondary {
  color: var(--ink);
  background: var(--paper);
  border-color: var(--line);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: 3px solid rgba(15, 118, 110, 0.2);
}

.section {
  padding: 72px 0;
}

.data-band .section-heading {
  margin-bottom: 28px;
}

.section-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 42px;
  max-width: none;
  align-items: end;
}

.section-heading h2 {
  color: var(--ink);
  font-size: 42px;
  line-height: 1.12;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
}

.intro-band,
.data-band,
.organizer-band {
  background: var(--wash);
}

.evaluation-band {
  color: var(--paper);
  background: var(--ink);
}

.evaluation-band .eyebrow,
.evaluation-band h2,
.evaluation-band h3 {
  color: var(--paper);
}

.evaluation-band p {
  color: #d7dedf;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 38px;
  color: #3c484f;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 38px;
}

.metric-strip div {
  min-height: 116px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric-strip strong,
.metric-strip span {
  display: block;
}

.metric-strip strong {
  color: var(--ink);
  font-size: 30px;
  line-height: 1.1;
}

.metric-strip span {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.track-card {
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 6px solid var(--teal);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.track-card.accent {
  border-top-color: var(--coral);
}

.track-kicker {
  margin-bottom: 14px;
  color: var(--teal-dark);
  font-weight: 820;
  text-transform: uppercase;
  font-size: 13px;
}

.track-card h3,
.table-panel h3,
.evaluation-grid h3,
.organizer-grid h3 {
  color: var(--ink);
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0;
}

.track-card p {
  color: #405058;
}

.check-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 22px 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 22px;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: var(--amber);
}

.tagline {
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 15px;
}

.track-detail-link {
  width: fit-content;
  margin-top: 20px;
}

.table-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: start;
}

.table-panel {
  display: flex;
  flex-direction: column;
  padding: 20px 20px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.table-panel h3 {
  margin-bottom: 12px;
  font-size: 20px;
  letter-spacing: -0.005em;
}

.table-panel > p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.5;
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 0;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

th,
td {
  padding: 7px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.table-panel th:not(:first-child),
.table-panel td:not(:first-child) {
  text-align: right;
}

th {
  color: var(--ink);
  background: linear-gradient(180deg, #f3efe6 0%, #ece7da 100%);
  font-weight: 800;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.table-panel tbody tr:not(.subheader-row):hover td {
  background: rgba(15, 118, 110, 0.035);
}

tr:last-child td {
  border-bottom: 0;
}

.subheader-row td {
  padding: 9px 12px;
  background: rgba(15, 118, 110, 0.06);
  border-bottom: 1px solid var(--line);
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: left;
}

.total-row td {
  background: #fbf8f1;
  color: var(--ink);
  font-weight: 800;
  border-top: 2px solid var(--line);
}

.table-panel td strong {
  font-weight: 800;
}

.timeline-list {
  position: relative;
  display: grid;
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline-list li {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 6px solid var(--teal);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.timeline-list time {
  color: var(--ink);
  font-weight: 820;
}

.timeline-list span {
  color: #405058;
}

.evaluation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.evaluation-grid > div {
  padding: 24px;
  border: 1px solid rgba(255, 253, 248, 0.2);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.06);
}

.resource-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.resource-link {
  display: grid;
  align-content: start;
  gap: 6px;
  flex: 1 1 280px;
  max-width: 360px;
  min-height: 0;
  padding: 20px 22px;
  text-decoration: none;
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  border-radius: 10px;
  background: var(--paper);
  box-shadow: 0 6px 18px rgba(23, 32, 38, 0.06);
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

.resource-link:hover,
.resource-link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--teal);
  border-left-color: var(--teal-dark);
  box-shadow: 0 12px 28px rgba(15, 118, 110, 0.16);
  outline: none;
}

.resource-link span {
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.resource-link strong {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.3;
  word-break: break-word;
}

.resource-link strong::after {
  content: "→";
  color: var(--teal);
  font-weight: 700;
  transition: transform 140ms ease;
}

.resource-link:hover strong::after,
.resource-link:focus-visible strong::after {
  transform: translateX(3px);
}

.organizer-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.organizer-grid article {
  min-height: 176px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.organizer-grid h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.organizer-grid p {
  color: var(--muted);
  font-size: 15px;
}

.acknowledgments-section {
  background: var(--paper);
}

.acknowledgments-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 36px;
  align-items: center;
  padding: 34px;
  background: var(--wash);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.acknowledgments-inner h2 {
  color: var(--ink);
  font-size: 36px;
  line-height: 1.16;
}

.acknowledgments-inner p:not(.eyebrow) {
  max-width: 820px;
  color: var(--muted);
}

.acknowledgments-logo {
  justify-self: end;
  max-width: 190px;
  max-height: 120px;
  object-fit: contain;
}

.contact-section {
  padding: 76px 0;
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  padding: 34px;
  background: var(--wash);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contact-inner h2 {
  color: var(--ink);
  font-size: 36px;
  line-height: 1.16;
}

.contact-inner p:not(.eyebrow) {
  max-width: 740px;
  color: var(--muted);
}

.task-page-hero {
  padding: 72px 0;
  color: var(--paper);
  background:
    linear-gradient(rgba(23, 32, 38, 0.78), rgba(23, 32, 38, 0.78)),
    url("../images/arguard-hero.png") center / cover;
}

.task-page-hero h1 {
  max-width: 860px;
  margin-bottom: 18px;
  font-size: 52px;
  line-height: 1.05;
  letter-spacing: 0;
}

.task-page-hero p:not(.eyebrow) {
  max-width: 760px;
  margin-bottom: 26px;
  color: #e8eeee;
  font-size: 20px;
}

.task-page-hero .eyebrow {
  color: #b6f2e9;
}

.task-page-grid {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 46px;
  align-items: start;
}

.task-page-toc {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 6px;
  padding: 16px;
  background: var(--wash);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.task-page-toc a {
  padding: 8px 10px;
  color: var(--text);
  text-decoration: none;
  border-radius: 6px;
  font-size: 15px;
}

.task-page-toc a:hover,
.task-page-toc a:focus-visible {
  color: var(--teal-dark);
  background: #e9f6f4;
  outline: none;
}

.task-content {
  max-width: 860px;
}

.task-content h2 {
  margin: 38px 0 14px;
  padding-top: 8px;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.16;
}

.task-content h2:first-child {
  margin-top: 0;
}

.task-content h3 {
  margin: 28px 0 10px;
  color: var(--ink);
  font-size: 24px;
}

.task-content p,
.task-content li {
  color: #405058;
}

.task-content p,
.task-content ul,
.task-content ol,
.task-content table {
  margin-bottom: 18px;
}

.task-content ul,
.task-content ol {
  padding-left: 24px;
}

.task-content a {
  color: var(--teal-dark);
  font-weight: 760;
}

.task-content table {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.site-footer {
  padding: 28px 0;
  color: #dce3e4;
  background: var(--ink);
}

.footer-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-inner a {
  color: var(--paper);
  font-weight: 760;
  text-decoration: none;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-block;
  }

  .nav-shell {
    min-height: 64px;
  }

  .nav-links {
    position: absolute;
    top: 64px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-item {
    display: block;
  }

  .nav-dropdown {
    position: static;
    min-width: 0;
    margin: 0 0 4px 12px;
    padding: 0 0 0 8px;
    background: transparent;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .hero {
    min-height: 520px;
    height: 68vh;
    background-position: 58% center;
  }

  .hero h1 {
    font-size: 58px;
  }

  .hero-subtitle {
    font-size: 27px;
  }

  .hero-copy {
    max-width: 560px;
    font-size: 18px;
  }

  .section-heading.split,
  .intro-grid,
  .track-grid,
  .table-grid,
  .evaluation-grid,
  .contact-inner,
  .acknowledgments-inner,
  .task-page-grid {
    grid-template-columns: 1fr;
  }

  .acknowledgments-logo {
    justify-self: start;
  }

  .task-page-toc {
    position: static;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .hero {
    min-height: 500px;
    height: auto;
    background-position: left center;
  }

  .hero-content {
    padding: 56px 0 48px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .hero-subtitle {
    font-size: 24px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .section {
    padding: 58px 0;
  }

  .section-heading h2 {
    font-size: 32px;
  }

  .task-page-hero {
    padding: 54px 0;
  }

  .task-page-hero h1 {
    font-size: 38px;
  }

  .task-page-hero p:not(.eyebrow) {
    font-size: 17px;
  }

  .task-page-toc {
    grid-template-columns: 1fr;
  }

  .task-content h2 {
    font-size: 28px;
  }

  .metric-strip,
  .resource-grid,
  .organizer-grid {
    grid-template-columns: 1fr;
  }

  .timeline-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .button {
    width: 100%;
  }

  .contact-inner {
    padding: 24px;
  }

  .acknowledgments-inner {
    padding: 24px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}