:root {
  --bg-primary: #002347;
  --bg-primary-dark: #001c39;
  --bg-surface: #ffffff;
  --bg-alt: #f7f9fa;
  --text-primary: #002347;
  --text-body: #4a5a68;
  --text-muted: #5b6b77;
  --text-inverse: rgba(255, 255, 255, 0.68);
  --text-inverse-strong: #ffffff;
  --accent: #62beb6;
  --accent-strong: #2a8a83;
  --border-subtle: #e8edf0;
  --radius-md: 0.875rem;
  --radius-full: 999px;
  --container: 70rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Sora", sans-serif;
  color: var(--text-body);
  background: var(--bg-surface);
  line-height: 1.6;
}

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

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-subtle);
  z-index: 100;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.75rem;
}

.brand-logo {
  height: 2.25rem;
  width: auto;
}

.nav-list,
.footer-nav {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-list a:not(.button) {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.875rem;
}

.nav-list a:not(.button):hover {
  color: var(--text-inverse-strong);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  padding: 0.95rem 1.6rem;
  background: var(--accent);
  color: var(--text-primary);
  font-weight: 600;
}

.button:hover {
  background: #7ed0c8;
  text-decoration: none;
}

.button-outline {
  background: transparent;
  color: var(--text-inverse-strong);
  border: 1px solid var(--accent);
  padding: 0.6rem 1.1rem;
}

.button-outline:hover {
  background: var(--accent);
  color: var(--text-primary);
}

.hero {
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
  padding: 6.5rem 0 7rem;
  text-align: center;
}

.hero-motif {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: min(44rem, 80vw);
  opacity: 0.07;
  pointer-events: none;
}

.hero-content {
  position: relative;
}

.eyebrow,
.card-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.12em;
}

.eyebrow {
  margin: 0 0 1.25rem;
  font-size: 0.8rem;
  color: var(--accent);
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1,
h2,
h3 {
  color: var(--text-primary);
}

h1 {
  margin-inline: auto;
  max-width: 56rem;
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-inverse-strong);
}

.hero-copy {
  margin: 1.5rem auto 2.25rem;
  max-width: 42rem;
  color: var(--text-inverse);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.text-link {
  color: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  padding-bottom: 0.1rem;
}

.text-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

.trust-strip {
  border-bottom: 1px solid #eceff1;
  padding: 1.25rem 0;
}

.trust-items {
  display: flex;
  justify-content: center;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  text-align: center;
}

.section {
  padding: 5.5rem 0;
  scroll-margin-top: 5rem;
}

.section-alt {
  background: var(--bg-alt);
}

.section-heading {
  text-align: center;
  margin-bottom: 3rem;
}

.section-heading h2 {
  margin-inline: auto;
  max-width: 46rem;
  font-size: clamp(1.8rem, 3.2vw, 2.35rem);
  line-height: 1.2;
}

.section-heading p {
  margin: 0.9rem auto 0;
  max-width: 39rem;
  color: var(--text-muted);
}

.grid {
  display: grid;
  gap: 1.25rem;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel,
.card {
  border-radius: var(--radius-md);
  padding: 2rem;
}

.panel {
  background: var(--bg-alt);
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.panel h3,
.card h3 {
  margin-bottom: 0.65rem;
  font-size: 1.15rem;
}

.panel p,
.card p {
  color: var(--text-body);
}

.panel a {
  display: inline-block;
  margin-top: 0.85rem;
  font-weight: 600;
}

.card-eyebrow {
  margin-bottom: 0.85rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-strong);
}

.stats {
  margin-bottom: 1.25rem;
}

.stat {
  background: var(--bg-primary);
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  font-family: "IBM Plex Mono", monospace;
}

.stat-value {
  color: var(--accent);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-family: "Sora", sans-serif;
  font-weight: 600;
  margin-bottom: 0.65rem;
}

.case-grid {
  margin-bottom: 1.25rem;
}

.case h4 {
  margin-top: 0.95rem;
  margin-bottom: 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
  color: #8896a1;
  font-family: "IBM Plex Mono", monospace;
}

.case .result {
  font-weight: 600;
  color: var(--text-primary);
}

.contribution {
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  padding: 2rem 2.2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.contribution h3 {
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
}

.contribution ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.86rem;
}

.contribution li::before {
  content: "→ ";
  color: var(--accent-strong);
}

.section-footnote {
  margin: 2rem auto 0;
  max-width: 40rem;
  text-align: center;
  color: var(--text-muted);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.about-grid h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.8rem, 3.2vw, 2.35rem);
}

.about-grid p + p {
  margin-top: 1rem;
}

.principles {
  display: grid;
  gap: 1rem;
}

.principles article {
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
}

.principles h3 {
  font-size: 1.08rem;
  margin-bottom: 0.35rem;
}

.final-cta {
  background: var(--bg-primary);
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 6.2rem 0;
  scroll-margin-top: 5rem;
}

.cta-motif {
  position: absolute;
  right: -8.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: min(30rem, 55vw);
  opacity: 0.06;
  pointer-events: none;
}

.cta-content {
  position: relative;
}

.cta-content h2 {
  color: var(--text-inverse-strong);
  margin-inline: auto;
  max-width: 44rem;
  font-size: clamp(2rem, 3.8vw, 2.65rem);
  line-height: 1.2;
}

.cta-content p {
  margin: 1rem auto 1.8rem;
  max-width: 35rem;
  color: var(--text-inverse);
}

.contact-note {
  margin-top: 1.2rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
}

.contact-note a {
  color: var(--accent);
}

.site-footer {
  background: var(--bg-primary-dark);
  padding: 2rem 0;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.footer-brand img {
  height: 1.9rem;
  width: auto;
}

.footer-brand p,
.footer-nav a {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.81rem;
  font-family: "IBM Plex Mono", monospace;
}

.footer-nav a:hover {
  color: var(--text-inverse-strong);
  text-decoration: none;
}

@media (max-width: 74rem) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contribution,
  .about-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 48rem) {
  .header-inner {
    flex-direction: column;
    justify-content: center;
    padding: 0.75rem 0;
  }

  .nav-list {
    justify-content: center;
  }

  .hero {
    padding: 5.25rem 0;
  }

  .section {
    padding: 4.25rem 0;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .panel,
  .card {
    padding: 1.5rem;
  }

  .final-cta {
    padding: 5.25rem 0;
  }
}