:root {
  color-scheme: light;
  --bg: #f3f6fa;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --text-strong: #1f2b38;
  --text: #324356;
  --text-muted: #5c6d80;
  --border: #d6dde6;
  --border-strong: #c5ced9;
  --brand-navy: #345878;
  --brand-navy-strong: #274660;
  --brand-copper: #8d6747;
  --brand-copper-strong: #775438;
  --tint-navy-soft: rgba(52, 88, 120, 0.12);
  --tint-copper-soft: rgba(141, 103, 71, 0.12);
  --section-accent-home: #3d6288;
  --section-accent-blog: #5b6778;
  --section-accent-about: #4e6678;
  --section-accent-legal: #6f6257;
  --accent: var(--brand-navy);
  --accent-strong: var(--brand-navy-strong);
  --focus-ring: rgba(77, 105, 132, 0.35);
  --shadow-sm: 0 4px 14px rgba(31, 43, 56, 0.06);
  --radius-md: 10px;
  --radius-lg: 14px;
  --header-control-height: 2.2rem;
  --layout-max: 1120px;
  --content-max: 820px;
  --card-pad-y: 1.85rem;
  --card-pad-x: 1.6rem;
  --card-pad-y-mobile: 1.35rem;
  --card-pad-x-mobile: 1.05rem;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111824;
  --surface: #161f2b;
  --surface-soft: #1b2532;
  --text-strong: #e4ebf3;
  --text: #ccd6e2;
  --text-muted: #aebbcc;
  --border: #2d3a4a;
  --border-strong: #3a495b;
  --brand-navy: #8ea5be;
  --brand-navy-strong: #b3c5d8;
  --brand-copper: #c29a79;
  --brand-copper-strong: #d1ab8e;
  --tint-navy-soft: rgba(142, 165, 190, 0.18);
  --tint-copper-soft: rgba(194, 154, 121, 0.15);
  --section-accent-home: #8fa8c1;
  --section-accent-blog: #9aa5b4;
  --section-accent-about: #96acbc;
  --section-accent-legal: #a8937f;
  --accent: var(--brand-navy);
  --accent-strong: var(--brand-navy-strong);
  --focus-ring: rgba(164, 179, 196, 0.38);
  --shadow-sm: 0 6px 16px rgba(0, 0, 0, 0.25);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #111824;
    --surface: #161f2b;
    --surface-soft: #1b2532;
    --text-strong: #e4ebf3;
    --text: #ccd6e2;
    --text-muted: #aebbcc;
    --border: #2d3a4a;
    --border-strong: #3a495b;
    --brand-navy: #8ea5be;
    --brand-navy-strong: #b3c5d8;
    --brand-copper: #c29a79;
    --brand-copper-strong: #d1ab8e;
    --tint-navy-soft: rgba(142, 165, 190, 0.18);
    --tint-copper-soft: rgba(194, 154, 121, 0.15);
    --section-accent-home: #8fa8c1;
    --section-accent-blog: #9aa5b4;
    --section-accent-about: #96acbc;
    --section-accent-legal: #a8937f;
    --accent: var(--brand-navy);
    --accent-strong: var(--brand-navy-strong);
    --focus-ring: rgba(164, 179, 196, 0.38);
    --shadow-sm: 0 6px 16px rgba(0, 0, 0, 0.25);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 19px;
  line-height: 1.72;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, var(--tint-navy-soft), transparent 34%),
    radial-gradient(circle at 88% 14%, var(--tint-copper-soft), transparent 38%),
    linear-gradient(180deg, var(--surface-soft) 0%, var(--bg) 100%);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -120px;
  z-index: 1000;
  background: var(--text-strong);
  color: #fff;
  text-decoration: none;
  padding: 0.55rem 0.8rem;
  border-radius: 0.45rem;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 0.75rem;
}

main {
  width: 100%;
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: 2.5rem 1rem;
}

main:focus {
  outline: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 0.6rem;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--text-strong);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-weight: 600;
}

p,
li {
  color: var(--text);
}

a {
  color: var(--accent-strong);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1.5px;
}

a:hover {
  color: var(--brand-copper);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-content {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: 0.95rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.header-content h2 {
  margin: 0;
  font-size: 1.3rem;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

.header-content h2 a {
  text-decoration: none;
  color: var(--text-strong);
}

.internal-links {
  display: flex;
  align-items: center;
  gap: 0.95rem;
}

.internal-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.internal-links a:hover,
.internal-links a.active {
  color: var(--text-strong);
  border-color: var(--accent);
}

.internal-links a:focus-visible {
  border-color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: stretch;
  gap: 0.8rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.4rem 0.7rem;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  height: var(--header-control-height);
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.theme-toggle:hover {
  color: var(--text-strong);
  border-color: var(--border-strong);
}

.theme-toggle-icon {
  display: inline-flex;
  line-height: 1;
}

.theme-toggle-icon-sun {
  display: none;
}

html[data-theme="dark"] .theme-toggle-icon-sun {
  display: inline-flex;
}

html[data-theme="dark"] .theme-toggle-icon-moon {
  display: none;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  line-height: 0;
  transition: color 0.18s ease;
}

.social-links a:hover {
  color: var(--accent-strong);
}

.header-actions .social-links {
  display: flex;
  align-items: center;
}

.header-actions .social-links a {
  height: var(--header-control-height);
  padding: 0;
}

.header-actions .social-links svg {
  width: 1.15rem;
  height: 1.15rem;
}

.home-main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2.1rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--section-accent-home);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 90%, var(--tint-navy-soft)) 0%, var(--surface) 100%);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr);
  align-items: center;
  gap: 2rem;
}

.home-main-copy {
  min-width: 0;
}

.home-kicker {
  margin: 0 0 0.55rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 700;
}

.home-title {
  font-size: clamp(1.9rem, 3.4vw, 2.5rem);
  margin-bottom: 0.95rem;
}

.home-lead {
  margin: 0;
  max-width: 62ch;
  color: var(--text);
}

.home-actions {
  margin-top: 1.1rem;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.contact-button,
.view-all-link {
  text-decoration: none;
  border-radius: 999px;
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1;
  transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.contact-button {
  background: var(--section-accent-home);
  color: #fff;
  border: 1px solid var(--section-accent-home);
  padding: 0.76rem 1.2rem;
}

.contact-button:hover {
  background: var(--brand-copper-strong);
  border-color: var(--brand-copper-strong);
  color: #fff;
}

.view-all-link {
  background: var(--surface);
  color: var(--text-strong);
  border: 1px solid var(--accent);
  padding: 0.76rem 1.15rem;
}

.view-all-link:hover {
  border-color: var(--brand-copper);
  color: var(--brand-copper-strong);
  background: color-mix(in srgb, var(--surface) 88%, var(--tint-copper-soft));
}

.home-main-media {
  display: flex;
  justify-content: center;
}

.portrait-img {
  width: min(100%, 280px);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.page-shell,
.content-card,
.page-intro {
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

.page-intro {
  padding: var(--card-pad-y) var(--card-pad-x);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  margin-bottom: 1.4rem;
  box-shadow: var(--shadow-sm);
}

.page-intro h1 {
  margin-bottom: 0.4rem;
  font-size: clamp(1.8rem, 3.1vw, 2.25rem);
}

.page-intro p {
  margin: 0;
  color: var(--text-muted);
  max-width: 65ch;
}

.page-intro.blog-header,
.page-intro.about-header,
.page-intro.legal-header {
  border-left: 3px solid var(--intro-accent);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface) var(--intro-surface-mix), var(--intro-tint)) 0%,
    var(--surface) 100%
  );
}

.page-intro.blog-header {
  --intro-accent: var(--section-accent-blog);
  --intro-tint: var(--tint-navy-soft);
  --intro-surface-mix: 94%;
}

.page-intro.about-header {
  --intro-accent: var(--section-accent-about);
  --intro-tint: var(--tint-navy-soft);
  --intro-surface-mix: 95%;
}

.page-intro.legal-header {
  --intro-accent: var(--section-accent-legal);
  --intro-tint: var(--tint-copper-soft);
  --intro-surface-mix: 95%;
}

.posts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  max-width: var(--content-max);
  margin: 0.6rem auto 0;
}

.post-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.post-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-navy), var(--brand-copper));
}

.post-card a {
  text-decoration: none;
  color: inherit;
}

.post-image {
  width: 100%;
  height: 132px;
  border-bottom: 1px solid var(--border);
}

.post-image-first-post,
.post-image-second-post,
.post-image-third-post,
.post-image-markdown-style-guide,
.post-image {
  background: linear-gradient(135deg, #5f7592 0%, #8a6c54 100%);
}

.post-image-second-post {
  background: linear-gradient(135deg, #627389 0%, #86694f 100%);
}

.post-image-third-post {
  background: linear-gradient(135deg, #6b7b8b 0%, #856248 100%);
}

.post-image-markdown-style-guide {
  background: linear-gradient(135deg, #6c7f97 0%, #927458 100%);
}

html[data-theme="dark"] .post-image-first-post,
html[data-theme="dark"] .post-image-second-post,
html[data-theme="dark"] .post-image-third-post,
html[data-theme="dark"] .post-image-markdown-style-guide,
html[data-theme="dark"] .post-image {
  filter: saturate(0.72);
}

.post-content {
  padding: 1rem 1rem 1.1rem;
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}

.post-meta time {
  color: var(--text-muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.post-read {
  color: var(--accent-strong);
  font-size: 0.84rem;
  font-weight: 600;
}

.post-content h2,
.post-content h3 {
  font-size: 1.2rem;
  line-height: 1.32;
  margin-bottom: 0.38rem;
}

.post-content p {
  margin: 0;
  color: var(--text);
  font-size: 0.96rem;
  line-height: 1.62;
}

.content-card {
  padding: var(--card-pad-y) var(--card-pad-x);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.content-card.prose h2 {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin-top: 1.3rem;
  margin-bottom: 0.5rem;
  font-size: clamp(1.28rem, 2.05vw, 1.58rem);
}

.content-card.prose > h2:first-child {
  border-top: 0;
  padding-top: 0;
}

.content-card.prose h3 {
  margin-top: 1.05rem;
  margin-bottom: 0.42rem;
  font-size: clamp(1.06rem, 1.75vw, 1.2rem);
}

.prose > :first-child {
  margin-top: 0;
}

.prose > * + * {
  margin-top: 0.85rem;
}

.prose p,
.prose li {
  max-width: 68ch;
  line-height: 1.72;
  overflow-wrap: break-word;
}

.prose pre {
  margin: 0.95rem 0;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  overflow-x: auto;
  max-width: 100%;
  font-size: 0.88rem;
  line-height: 1.55;
}

.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.88em;
}

.prose pre code {
  font-size: inherit;
  white-space: pre;
}

.prose :not(pre) > code {
  background: color-mix(in srgb, var(--surface) 82%, var(--tint-navy-soft));
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  padding: 0.08rem 0.3rem;
}

.prose table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 0.9rem 0;
}

.prose th,
.prose td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.6rem;
  text-align: left;
}

.prose th {
  background: var(--surface-soft);
  color: var(--text-strong);
}

.prose ul,
.prose ol {
  margin: 0.55rem 0 0.95rem;
  padding-left: 1.3rem;
}

.prose li + li {
  margin-top: 0.25rem;
}

.prose strong {
  color: var(--text-strong);
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.3rem 0;
}

.title-block {
  margin-bottom: 1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--border);
}

.title-block h1 {
  margin-top: 0.4rem;
  margin-bottom: 0;
  font-size: clamp(1.9rem, 3vw, 2.3rem);
}

.title-block .date time,
.last-updated-on {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.last-updated-on {
  margin-top: 0.22rem;
  font-style: normal;
}

.hero-image {
  width: 100%;
  margin-bottom: 0.95rem;
}

.hero-image img {
  display: block;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

footer {
  margin-top: 3.5rem;
  padding: 2rem 1rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.footer-content {
  max-width: var(--layout-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.94rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 600;
}

.footer-links a:hover {
  color: var(--brand-copper);
}

.footer-links a:focus-visible {
  color: var(--brand-copper);
}

@media (max-width: 768px) {
  body {
    font-size: 18px;
  }

  main {
    padding: 1.9rem 0.9rem;
  }

  .header-content {
    padding: 0.82rem 0.95rem;
    flex-wrap: wrap;
    row-gap: 0.7rem;
  }

  .internal-links {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 1.15rem;
    padding-top: 0.35rem;
    border-top: 1px solid var(--border);
  }

  .theme-toggle-label {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  .header-actions .social-links {
    display: none;
  }

  .home-main {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    padding: 1.35rem 1rem;
  }

  .home-main-media {
    order: -1;
  }

  .portrait-img {
    width: min(100%, 240px);
  }

  .page-intro,
  .content-card {
    padding: var(--card-pad-y-mobile) var(--card-pad-x-mobile);
  }

  .posts {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem 1rem;
  }
}

@media (max-width: 390px) {
  .header-content {
    padding-left: 0.8rem;
    padding-right: 0.8rem;
  }

  .internal-links {
    gap: 0.9rem;
  }

  .internal-links a {
    font-size: 0.89rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}