:root {
   --ground: #ede6e4;
   --surface: #f4efef;
   --surface-lift: #fff;
   --ink: #1a1616;
   --ink-muted: #685e5c;
   --accent: #a65b54;
   --accent-hover: #8e4a44;
   --line: #dcd3d0;
   --line-dark: #bdb0ac;

   --heta-b8f: "Syne", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
   --heta-175: "Questrial", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
   --heta-c73: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

   --text-2xs: clamp(0.68rem, 0.65rem + 0.15vw, 0.75rem);
   --text-xs: clamp(0.78rem, 0.75rem + 0.2vw, 0.85rem);
   --text-sm: clamp(0.88rem, 0.84rem + 0.25vw, 0.95rem);
   --text-base: clamp(1rem, 0.96rem + 0.3vw, 1.125rem);
   --text-md: clamp(1.15rem, 1.08rem + 0.5vw, 1.35rem);
   --text-lg: clamp(1.35rem, 1.22rem + 0.8vw, 1.75rem);
   --text-xl: clamp(1.75rem, 1.5rem + 1.4vw, 2.35rem);
   --text-2xl: clamp(2.2rem, 1.85rem + 2.2vw, 3.25rem);
   --text-3xl: clamp(2.75rem, 2.2rem + 3.4vw, 4.5rem);

   --space-3xs: 0.25rem;
   --space-2xs: 0.5rem;
   --space-xs: 0.75rem;
   --space-sm: 1rem;
   --space-md: 1.5rem;
   --space-lg: 2rem;
   --space-xl: 3rem;

   --space-2xl: 4.5rem;
   --space-3xl: 6.5rem;

   --gutter: clamp(1rem, 4vw, 3rem);
   --shell-max: 1440px;
   --measure-prose: 68ch;

   --radius: 0px;

   --dur-instant: 120ms;
   --dur-fast: 160ms;
   --dur-base: 220ms;
   --dur-slow: 380ms;

   --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
   --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
   --ease-snap: cubic-bezier(0.2, 0.8, 0.2, 1);

   --border-hairline: 1px solid var(--line);
   --border-solid: 1px solid var(--ink);
   --border-accent: 1px solid var(--accent);

   --shadow-subtle: 0 2px 10px rgba(26, 22, 22, 0.04);
   --shadow-lift: 0 14px 34px rgba(26, 22, 22, 0.08);
   --shadow-deep: 0 24px 56px rgba(26, 22, 22, 0.12);
}

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

* {
   margin: 0;
   padding: 0;
}

html {
   font-size: 16px;
   background-color: var(--ground);
   color: var(--ink);
   text-size-adjust: 100%;
   -webkit-text-size-adjust: 100%;
   scroll-behavior: smooth;
}

body {
   background-color: var(--ground);
   color: var(--ink);
   font-family: var(--heta-175);
   font-size: var(--text-base);
   line-height: 1.6;
   min-height: 100vh;
   display: flex;
   flex-direction: column;
   overflow-x: hidden;
   text-rendering: optimizeLegibility;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
}

main {
   flex: 1 0 auto;
   display: block;
   min-width: 0;
}

button,
input,
select,
textarea {
   font: inherit;
   letter-spacing: inherit;
   color: inherit;
}

img,
picture,
svg,
video,
canvas {
   display: block;
   max-width: 100%;
   height: auto;
}

svg { flex-shrink: 0; }

table {
   border-collapse: collapse;
   border-spacing: 0;
   width: 100%;
}

ul,
ol { list-style: none; }

a {
   color: inherit;
   text-decoration: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
   font-family: var(--heta-b8f);
   font-weight: 700;
   line-height: 1.15;
   color: var(--ink);
   letter-spacing: -0.02em;
   text-wrap: balance;
   overflow-wrap: break-word;
   word-break: normal;
}

h1 {
   font-size: var(--text-3xl);
   font-weight: 800;
   line-height: 1.05;
   letter-spacing: -0.035em;
}

h2 {
   font-size: var(--text-2xl);
   font-weight: 700;
   line-height: 1.12;
   letter-spacing: -0.025em;
}

h3 {
   font-size: var(--text-xl);
   font-weight: 700;
   line-height: 1.2;
}

h4 {
   font-size: var(--text-lg);
   font-weight: 600;
   line-height: 1.25;
}

h5 {
   font-size: var(--text-md);
   font-weight: 600;
   line-height: 1.3;
}

h6 {
   font-size: var(--text-sm);
   font-weight: 600;
   letter-spacing: 0.04em;
   text-transform: uppercase;
}

p {
   max-width: var(--measure-prose);
   margin-block-end: 1rem;
}

p:last-child { margin-block-end: 0; }

strong,
b {
   font-weight: 600;
   color: var(--ink);
}

em,
i { font-style: italic; }

small {
   font-size: var(--text-sm);
   line-height: 1.45;
}

code,
kbd,
samp,
pre {
   font-family: var(--heta-c73);
   font-size: 0.9em;
}

address {
   font-style: normal;
   line-height: 1.5;
}

hr {
   border: none;
   border-top: var(--border-hairline);
   margin-block: var(--space-xl);
}

blockquote {
   border-left: 2px solid var(--accent);
   padding-left: var(--space-md);
   margin-block: var(--space-lg);
   font-style: italic;
   max-width: var(--measure-prose);
   color: var(--ink-muted);
}

.mono {
   font-family: var(--heta-c73);
   font-variant-numeric: tabular-nums;
   letter-spacing: -0.01em;
}

.text-muted { color: var(--ink-muted); }

.text-accent { color: var(--accent); }

.shell {
   width: 100%;
   max-width: var(--shell-max);
   margin-inline: auto;
   padding-inline: var(--gutter);
}

.shell--narrow { max-width: 980px; }

.shell--wide { max-width: 1600px; }

.grid {
   display: grid;
   gap: var(--space-lg);
}

.grid-2col {
   display: grid;
   grid-template-columns: 1fr;
   gap: var(--space-lg);
}

@media (min-width: 768px) {
   .grid-2col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.grid-3col {
   display: grid;
   grid-template-columns: 1fr;
   gap: var(--space-lg);
}

@media (min-width: 640px) {
   .grid-3col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
   .grid-3col { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.grid-4col {
   display: grid;
   grid-template-columns: 1fr;
   gap: var(--space-md);
}

@media (min-width: 560px) {
   .grid-4col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
   .grid-4col { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.off-center-2-1 {
   display: grid;
   grid-template-columns: 1fr;
   gap: var(--space-xl);
}

@media (min-width: 900px) {
   .off-center-2-1 { grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); }
}

.off-center-1-2 {
   display: grid;
   grid-template-columns: 1fr;
   gap: var(--space-xl);
}

@media (min-width: 900px) {
   .off-center-1-2 { grid-template-columns: 1fr 2fr; }
}

.grid > *,
.grid-2col > *,
.grid-3col > *,
.grid-4col > *,
.off-center-2-1 > *,
.off-center-1-2 > * { min-width: 0; }

.cluster {
   display: flex;
   flex-wrap: wrap;
   gap: var(--space-sm);
   align-items: center;
}

.stack {
   display: flex;
   flex-direction: column;
   gap: var(--space-md);
}

.repel {
   display: flex;
   flex-wrap: wrap;
   justify-content: space-between;
   align-items: center;
   gap: var(--space-md);
}

.swiss-rule {
   height: 1px;
   background-color: var(--line);
   width: 100%;
}

.swiss-rule--strong { background-color: var(--ink); }

.visually-hidden {
   position: absolute !important;
   width: 1px !important;
   height: 1px !important;
   padding: 0 !important;
   margin: -1px !important;
   overflow: hidden !important;
   clip: rect(0, 0, 0, 0) !important;
   white-space: nowrap !important;
   border: 0 !important;
}

.skip-link {
   position: absolute;
   top: -100px;
   left: var(--space-md);
   z-index: 10000;
   padding: 0.75rem 1.25rem;
   background: var(--ink);
   color: var(--surface-lift);
   font-family: var(--heta-b8f);
   font-weight: 700;
   font-size: var(--text-sm);
   border: 1px solid var(--surface-lift);
   min-height: 44px;
   display: inline-flex;
   align-items: center;
   transition: top var(--dur-fast) var(--ease-out);
}

.skip-link:focus,
.skip-link:focus-visible {

   top: var(--space-md);
   outline: 2px solid var(--accent);
   outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
   *,
   *::before,
   *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
   }
}