:root {
  --ink: #17212b;
  --muted: #5c6873;
  --line: #d9e0e5;
  --surface: #ffffff;
  --surface-soft: #f3f6f7;
  --accent: #176b5b;
  --accent-dark: #0f4d42;
  --focus: #d97706;
  --max-width: 1120px;
  --content-width: 760px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

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

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

.narrow {
  width: min(calc(100% - (2 * var(--space-md))), var(--content-width));
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-sm);
  z-index: 20;
  padding: 0.6rem 0.9rem;
  color: var(--surface);
  background: var(--ink);
  border-radius: 0.25rem;
}

.skip-link:focus {
  top: var(--space-sm);
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.header-inner {
  display: flex;
  min-height: 5rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  flex: 0 0 auto;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand:hover {
  color: var(--accent-dark);
}

.primary-nav ul {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  list-style: none;
}

.primary-nav a {
  display: inline-block;
  padding: 0.35rem 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: var(--accent-dark);
}

.site-main {
  min-height: 60vh;
}

.hero,
.page-hero {
  padding: clamp(3rem, 8vw, 5rem) 0 clamp(2rem, 5vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.hero {
  background: var(--surface-soft);
}

.section-label,
.contact-label {
  margin: 0 0 var(--space-xs);
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  color: var(--ink);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

h1 {
  max-width: 780px;
  margin-bottom: var(--space-md);
  font-size: clamp(2.6rem, 7vw, 5.3rem);
}

h2 {
  margin-bottom: var(--space-sm);
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
}

h3 {
  margin-bottom: var(--space-xs);
  font-size: 1.2rem;
}

.hero-copy,
.page-hero-copy,
.lead {
  max-width: 650px;
  margin-bottom: var(--space-md);
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.6;
}

.page-hero h1 {
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.15rem;
  color: var(--surface);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 0.35rem;
  font-weight: 750;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover {
  color: var(--surface);
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.button-secondary {
  color: var(--accent-dark);
  background: transparent;
  border-color: var(--accent);
}

.button-secondary:hover {
  color: var(--surface);
  background: var(--accent-dark);
}

.section {
  padding: var(--space-xl) 0;
}

.section-tinted {
  background: var(--surface-soft);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
}

.intro-grid h2 {
  max-width: 420px;
}

.post-list {
  display: grid;
  gap: var(--space-md);
}

.post-card {
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--line);
}

.post-card:last-child {
  border-bottom: 0;
}

.post-card h2 {
  margin-bottom: var(--space-xs);
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.post-card h2 a {
  color: var(--ink);
  text-decoration: none;
}

.post-card h2 a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.post-card > p:not(.post-meta) {
  color: var(--muted);
}

.post-meta {
  margin-bottom: var(--space-xs);
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 650;
}

.post-card-link,
.back-link {
  margin-bottom: 0;
}

.post {
  width: min(calc(100% - (2 * var(--space-md))), var(--content-width));
  max-width: var(--content-width);
  margin-inline: auto;
  padding: var(--space-xl) 0;
}

.post-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--line);
}

.post-header h1 {
  max-width: 700px;
  font-size: clamp(2.3rem, 6vw, 4rem);
}

.post-content {
  color: var(--ink);
}

.post-content h2 {
  margin-top: var(--space-lg);
}

.contact-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-options > div {
  padding: var(--space-md);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface-soft);
}

.contact-link {
  overflow-wrap: anywhere;
  font-size: 1.08rem;
  font-weight: 750;
}

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

.contact-note {
  padding-top: var(--space-md);
  border-top: 1px solid var(--line);
}

.centered {
  text-align: center;
}

.centered .button {
  margin-top: var(--space-sm);
}

.home-body {
  padding: var(--space-xl) 0 var(--space-xl);
}

.home-body > p {
  max-width: var(--content-width);
}

.home-body .button {
  margin-top: var(--space-sm);
}

.site-footer {
  padding: var(--space-md) 0;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--surface-soft);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.footer-inner p {
  margin: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-nav a {
  color: var(--muted);
  font-weight: 650;
}

@media (max-width: 760px) {
  .header-inner {
    min-height: auto;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-sm) 0;
  }

  .primary-nav {
    width: 100%;
  }

  .primary-nav ul {
    flex-wrap: wrap;
    gap: 0.55rem 1rem;
  }

  .intro-grid,
  .contact-options {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 420px) {
  .wrap,
  .narrow,
  .post {
    width: min(calc(100% - (2 * var(--space-sm))), var(--max-width));
  }

  .hero-actions .button {
    width: 100%;
  }
}