:root {
  color-scheme: light;
  --ink: #0f172a;
  --muted-ink: #475569;
  --page: #f8fafc;
  --surface: #ffffff;
  --surface-2: #eef8f7;
  --surface-3: #f1f5f9;
  --line: #d5dce7;
  --green: #0ea5a4;
  --green-dark: #0f766e;
  --teal: #0ea5a4;
  --coral: #f97316;
  --gold: #b7791f;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(900px 360px at 92% -8%, rgba(20, 184, 166, 0.2), transparent 68%),
    radial-gradient(650px 320px at -8% 10%, rgba(56, 189, 248, 0.12), transparent 75%),
    var(--page);
  color: var(--ink);
  font-family: "Source Sans 3", Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.6rem;
  z-index: 30;
  transform: translateY(-150%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.6rem 0.8rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
  padding: 0.7rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(248, 250, 252, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  min-width: 0;
}

.brand img {
  width: 56px;
  height: 56px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #ffffff;
  padding: 4px;
}

.brand span {
  display: grid;
  gap: 0.02rem;
}

.brand strong {
  font-family: "Space Grotesk", "Source Sans 3", Arial, sans-serif;
  font-size: 0.98rem;
  line-height: 1.1;
}

.brand small {
  color: var(--muted-ink);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.1;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.2rem;
}

.site-nav a {
  border-radius: var(--radius);
  color: var(--muted-ink);
  font-size: 0.94rem;
  font-weight: 700;
  padding: 0.45rem 0.62rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus {
  background: var(--surface-2);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  padding: 0.45rem 0.7rem;
}

.content-wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.section {
  padding: 5rem 0;
  scroll-margin-top: 86px;
}

.section-band {
  position: relative;
}

.muted {
  background: var(--surface-2);
}

.data-band {
  background: #f0fdfa;
}

.risk-band {
  background: #fff7ed;
}

.hero {
  min-height: 78vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #ffffff;
  padding: 5rem 0 3.5rem;
}

.hero-media,
.hero-media::after {
  position: absolute;
  inset: 0;
}

.hero-media::after {
  content: "";
  background:
    linear-gradient(90deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.62) 48%, rgba(15, 23, 42, 0.2)),
    linear-gradient(0deg, rgba(13, 148, 136, 0.22), rgba(15, 23, 42, 0.12));
}

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

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 2rem;
}

.hero h1 {
  max-width: 830px;
  margin: 0;
  font-family: "Space Grotesk", "Source Sans 3", Arial, sans-serif;
  font-size: 5.4rem;
  line-height: 0.98;
  text-wrap: balance;
}

.hero-lead {
  max-width: 760px;
  margin: 1.4rem 0 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.15rem;
}

.hero-note {
  max-width: 720px;
  margin: 0.9rem 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.hero-actions,
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.button,
.filter-button {
  min-height: 44px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  padding: 0.72rem 1rem;
  text-decoration: none;
}

.button.primary {
  background: linear-gradient(135deg, var(--green), #14b8a6);
  color: #ffffff;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  max-width: 920px;
  margin: 2rem 0 0;
}

.quick-stats div {
  min-height: 118px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.13);
  padding: 1rem;
  backdrop-filter: blur(8px);
}

.quick-stats dt {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.quick-stats dd {
  margin: 0.35rem 0 0;
  font-size: 1.2rem;
  font-weight: 800;
}

.eyebrow {
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 900;
  margin: 0 0 0.65rem;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #99f6e4;
}

.section-heading {
  max-width: 790px;
  margin-bottom: 2rem;
}

.section-heading h2,
.split-wrap h2 {
  margin: 0;
  color: var(--ink);
  font-family: "Space Grotesk", "Source Sans 3", Arial, sans-serif;
  font-size: 3.2rem;
  line-height: 1.05;
  text-wrap: balance;
}

.section-heading p,
.split-wrap > div > p {
  color: var(--muted-ink);
  font-size: 1.05rem;
}

.path-flow,
.comparison-grid,
.detail-grid,
.quick-work-grid,
.risk-grid,
.scenario-row,
.jobs-grid,
.sources-grid {
  display: grid;
  gap: 1rem;
}

.path-flow {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.comparison-grid,
.detail-grid,
.quick-work-grid,
.risk-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.detail-grid {
  margin-top: 1rem;
}

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

.scenario-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
}

.step-card,
.info-card,
.detail-card,
.timeline-block,
.quick-work-grid article,
.job-card,
.budget-note,
.risk-grid article,
.scenario-row article,
.sources-grid a {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.15rem;
  box-shadow: 0 8px 22px rgba(23, 33, 28, 0.06);
}

.step-card {
  min-height: 220px;
}

.detail-card {
  min-height: 220px;
}

.detail-card p {
  color: var(--muted-ink);
}

.detail-table {
  margin-top: 1rem;
}

.compact-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.compact-list li + li {
  margin-top: 0.45rem;
}

.step-number {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background: var(--green);
  color: #ffffff;
  font-weight: 900;
}

h3 {
  font-family: "Space Grotesk", "Source Sans 3", Arial, sans-serif;
  margin: 0.65rem 0 0.35rem;
  line-height: 1.2;
}

.tag {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  background: #ccfbf1;
  color: #134e4a;
  font-size: 0.78rem;
  font-weight: 900;
  margin: 0;
  padding: 0.22rem 0.55rem;
  text-transform: uppercase;
}

.info-card ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 1rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: #e6fffb;
  color: var(--green-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
}

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

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

.timeline-block {
  min-height: 380px;
}

.timeline-list {
  margin: 1rem 0 0;
  padding-left: 1.4rem;
}

.timeline-list li + li {
  margin-top: 0.9rem;
}

.checklist-panel {
  margin-top: 1rem;
}

.checklist-panel h3 {
  margin-top: 0;
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.checklist label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  min-height: 52px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem;
}

.checklist input {
  accent-color: var(--green);
  margin-top: 0.25rem;
}

.split-section {
  background: #eef8f7;
}

.split-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

.image-strip {
  margin-top: 1.5rem;
  overflow: hidden;
  border-radius: var(--radius);
  min-height: 330px;
  background: var(--surface);
}

.image-strip img {
  width: 100%;
  height: 430px;
  object-fit: cover;
}

.accordion {
  display: grid;
  gap: 0.75rem;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0.2rem 1rem;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.05);
}

summary {
  cursor: pointer;
  font-weight: 900;
  padding: 1rem 0;
}

details p {
  color: var(--muted-ink);
}

.quick-work-grid article,
.risk-grid article,
.scenario-row article {
  min-height: 180px;
}

.filter-button {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.filter-button.active,
.filter-button:hover,
.filter-button:focus {
  background: var(--green);
  color: #ffffff;
}

.jobs-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 1rem;
}

.job-card {
  min-height: 230px;
}

.job-card.is-hidden {
  display: none;
}

.budget-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 1rem;
  align-items: start;
}

.budget-note {
  min-height: 100%;
  background: #fff7ed;
}

.sources-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.sources-grid a {
  color: var(--green-dark);
  font-weight: 900;
  text-decoration: none;
}

.image-credit {
  color: var(--muted-ink);
  font-size: 0.9rem;
  margin-top: 1.5rem;
}

.license-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  margin-top: 1.5rem;
  padding: 1.15rem;
}

.license-panel h3 {
  margin-top: 0;
}

.license-panel a {
  color: var(--green-dark);
  font-weight: 800;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #0f172a;
  color: #ffffff;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand img {
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 0;
  background: #ffffff;
  padding: 4px;
}

.footer-brand p {
  display: grid;
  gap: 0.1rem;
  margin: 0;
}

.footer-brand strong {
  font-family: "Space Grotesk", "Source Sans 3", Arial, sans-serif;
  font-weight: 800;
}

.footer-brand span {
  color: #cbd5e1;
  font-size: 0.94rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem;
}

.footer-links a {
  color: #ffffff;
  font-weight: 800;
}

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

  .site-nav {
    position: absolute;
    inset: 68px 1rem auto 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    padding: 0.6rem;
  }

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

  .site-nav a {
    color: var(--ink);
    padding: 0.72rem;
  }

  .brand small {
    display: none;
  }

  .quick-stats,
  .path-flow,
  .comparison-grid,
  .detail-grid,
  .detail-grid.two-col,
  .plan-layout,
  .split-wrap,
  .quick-work-grid,
  .risk-grid,
  .scenario-row,
  .jobs-grid,
  .budget-grid,
  .sources-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 74vh;
  }

  .hero h1 {
    font-size: 3.7rem;
  }

  .section-heading h2,
  .split-wrap h2 {
    font-size: 2.55rem;
  }

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

@media (max-width: 640px) {
  .content-wrap {
    width: min(var(--max), calc(100% - 1.2rem));
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero {
    min-height: 72vh;
    padding-top: 4rem;
  }

  .hero h1 {
    font-size: 2.55rem;
  }

  .section-heading h2,
  .split-wrap h2 {
    font-size: 2.05rem;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .quick-stats div {
    min-height: auto;
  }

  .checklist,
  .jobs-grid {
    grid-template-columns: 1fr;
  }

  .image-strip img {
    height: 320px;
  }

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

  .footer-links {
    justify-content: flex-start;
  }
}