body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-color);
  background: var(--bg-color);
  max-width: 72ch;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 1.5rem;
  min-height: 100vh;
  min-height: 100dvh; /* use dynamic viewport to keep footer above mobile browser chrome */
  display: flex;
  flex-direction: column;
  padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0));
}

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

:root {
  --size: 1em;
  --gap: 0.08em;
  --color: currentColor;
  --bg-color: #f7f5f2;
  --text-color: #2f2f2f;
  --border-color: #d9d3ca;
  --link-color: var(--text-color);
  --link-hover: var(--text-color);
}

.sand {
  --bg-color: #f7f5f2;
  --text-color: #1f1f1f;
  --border-color: #d9d3ca;
  --link-color: var(--text-color);
  --link-hover: var(--text-color);
}

.amber {
  --bg-color: #fff5cc;
  --text-color: #2a1b00;
  --border-color: #e0c978;
  --link-color: var(--text-color);
  --link-hover: var(--text-color);
}

.seaglass {
  --bg-color: #e6f4f1;
  --text-color: #0f2b2a;
  --border-color: #b8d4cf;
  --link-color: var(--text-color);
  --link-hover: var(--text-color);
}

.coral {
  --bg-color: #ffe8dd;
  --text-color: #2c160f;
  --border-color: #f1c2ae;
  --link-color: var(--text-color);
  --link-hover: var(--text-color);
}

.dawn {
  --bg-color: #242c38;
  --text-color: #f1f3f7;
  --border-color: #3a4556;
  --link-color: var(--text-color);
  --link-hover: var(--text-color);
}

.royal {
  --bg-color: #1a237e;
  --text-color: #f1f3ff;
  --border-color: #2f367d;
  --link-color: var(--text-color);
  --link-hover: var(--text-color);
}

.forest {
  --bg-color: #0f2f1f;
  --text-color: #e9f5ed;
  --border-color: #1f4b32;
  --link-color: var(--text-color);
  --link-hover: var(--text-color);
}

.ruby {
  --bg-color: #b11226;
  --text-color: #f9ecee;
  --border-color: #8f0e1f;
  --link-color: var(--text-color);
  --link-hover: var(--text-color);
}

.sky {
  --bg-color: #e7f0ff;
  --text-color: #0f274f;
  --border-color: #c2d4f3;
  --link-color: var(--text-color);
  --link-hover: var(--text-color);
}

.fireball {
  --bg-color: #4a525a;
  --text-color: #eeeeee;
  --border-color: #606870;
  --link-color: var(--text-color);
  --link-hover: var(--text-color);
}

p {
  margin: 0 0 1rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 2rem 0 1rem;
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: 2.4rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.7rem;
}

h4 {
  font-size: 1.4rem;
}

h5 {
  font-size: 1.2rem;
}

h6 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

a {
  color: var(--link-color);
  text-decoration: underline;
}

a:hover,
a:focus {
  color: var(--link-hover);
  text-decoration: none;
}

ul,
ol {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.inline-ol {
  list-style-position: inside;
  padding-left: 0;
  margin-left: 0;
}

ul ul,
ul ol,
ol ul,
ol ol {
  margin: 0;
  padding-left: 1.25rem;
}

code,
pre {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.8em;
}

code {
  background: rgba(0, 0, 0, 0.06);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

pre {
  background: rgba(0, 0, 0, 0.06);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0 0 1rem;
}

pre code {
  background: transparent;
  padding: 0;
}

.emoji-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.emoji-list li {
  margin: 0 0 0.5rem;
}

.concert-index {
  margin: 0 0 1rem;
}

.concert-meta {
  margin: 0 0 0.5rem;
  color: inherit;
}

.consulting-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.consulting-list li {
  list-style: none;
  padding: 0.35rem 0;
  border-bottom: 1px solid color-mix(in srgb, currentColor 35%, transparent 65%);
  font-size: 0.95rem;
}

.consulting-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.cta-wrap {
  margin: 2rem 0 0;
}

.cta-button {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--text-color) 90%, var(--bg-color) 10%);
  background: color-mix(in srgb, var(--text-color) 90%, var(--bg-color) 10%);
  color: var(--bg-color);
  text-decoration: none;
  font-weight: 700;
}

.cta-button:hover,
.cta-button:focus {
  text-decoration: underline;
}

.post-back {
  margin: 2rem 0 0;
}

.post-back a {
  text-decoration: none;
}

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

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

main {
  flex: 1;
}

.site-header {
  margin-bottom: 1.5rem;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.brand-logo-link {
  display: inline-flex;
  color: inherit;
  text-decoration: none;
}

.brand-logo-link:hover,
.brand-logo-link:focus {
  color: inherit;
  text-decoration: none;
}

.site-logo {
  display: inline-grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  vertical-align: middle;
}

.site-logo span {
  display: block;
  width: 1em;
  height: 1em;
  background: currentColor;
}

.logo {
  display: inline-flex;
  gap: var(--gap);
  align-items: stretch;
  vertical-align: middle;
}

.logo .tile {
  width: var(--size);
  height: var(--size);
  background: var(--color);
}

.logo .rounded {
  border-bottom-left-radius: calc(var(--size) * 0.5);
}

.logo .split {
  background: transparent;
  display: flex;
  flex-direction: column;
  gap: calc(var(--gap) * 0.66);
}

.logo .split .bar {
  background: var(--color);
  width: 100%;
}

.logo .split .top {
  height: calc(var(--size) * 0.33);
}

.logo .split .bottom {
  flex: 1;
}

.site-footer {
  margin-top: 2rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-color);
  color: var(--text-color);
  font-size: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  justify-content: space-between;
}

.site-footer a {
  color: inherit;
}

.site-footer .brand-link {
  color: inherit;
  text-decoration: none;
}

.site-footer .brand-link:hover,
.site-footer .brand-link:focus {
  color: inherit;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus {
  color: var(--text-color);
}