:root {
  --bg: #f8f8f6;
  --text: #1f2328;
  --muted: #57606a;
  --line: #d9dee3;
  --accent: #2d5e5a;
  --accent-soft: #eaf2f1;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Inter", Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  background-image: url("../images/site-bg.svg");
  background-repeat: repeat;
  line-height: 1.65;
}

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

a:hover,
a:focus {
  text-decoration: underline;
}

.container {
  width: min(1080px, 92%);
  margin: 0 auto;
}

.narrow {
  width: min(760px, 92%);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(248, 248, 246, 0.96);
  position: sticky;
  top: 0;
  backdrop-filter: blur(2px);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.site-title {
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--text);
}

.site-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-toggle {
  display: none;
}

.hero {
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.label {
  font-size: 0.82rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.2;
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  line-height: 1.3;
  margin-top: 0;
}

h3 {
  margin-bottom: 0.5rem;
}

.lead {
  max-width: 75ch;
}

.cta-row {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin: 1.3rem 0 0.8rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
}

.trust-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 2.7rem 0;
  border-bottom: 1px solid var(--line);
}

.wide-section .container {
  width: min(1160px, 94%);
}

.two-col {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 2rem;
}

.rail {
  border-left: 1px solid var(--line);
  padding-left: 1.1rem;
}

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

.pathway {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.pathway .intro {
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.feature-article {
  padding: 1rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.teaser-stack article {
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
}

.archive-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.archive-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line);
}

.contact-form {
  display: grid;
  gap: 0.6rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}

input,
textarea {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid #c7ced6;
  border-radius: 6px;
  font: inherit;
}

.contact-points {
  list-style: none;
  padding: 0;
}

.site-footer {
  padding: 1.8rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1rem;
}

.footer-grid nav {
  display: grid;
  gap: 0.4rem;
}

.article-main {
  padding: 2.4rem 0;
}

.breadcrumbs {
  color: var(--muted);
  font-size: 0.92rem;
}

.article-layout h1 {
  margin-top: 0.4rem;
}

.article-layout h2 {
  margin-top: 2rem;
}

.related-links ul {
  padding-left: 1rem;
}

.thanks-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .two-col,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .rail {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 1rem;
  }
}

@media (max-width: 700px) {
  .nav-toggle {
    display: inline-block;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 6px;
    padding: 0.4rem 0.7rem;
    color: var(--text);
  }

  .site-nav {
    display: none;
    width: 100%;
    border-top: 1px solid var(--line);
    padding-top: 0.8rem;
  }

  .site-nav.open {
    display: grid;
    gap: 0.5rem;
  }

  .header-row {
    flex-wrap: wrap;
  }
}