:root {
  --bg-primary: #0f0f0f;
  --bg-secondary: #161616;
  --bg-tertiary: #1d1d1d;
  --accent: #ffcd46;
  --accent-hover: #ffd966;
  --accent-dark: #d4a82e;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --text-muted: #999999;
  --hairline: #2b2b2b;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 2.5rem;
  --space-6: 3rem;
  --space-8: 4rem;

  --fluid-micro: clamp(0.72rem, 1.4vw, 0.82rem);
  --fluid-small: clamp(0.86rem, 1.7vw, 0.95rem);
  --fluid-body: clamp(0.95rem, 1.9vw, 1.06rem);
  --fluid-lead: clamp(1.06rem, 2.6vw, 1.28rem);
  --fluid-head: clamp(1.5rem, 4.4vw, 2.3rem);
  --fluid-display: clamp(2rem, 7.2vw, 3.4rem);
  --fluid-gap: clamp(1rem, 3vw, 2rem);
  --fluid-band: clamp(2.5rem, 9vh, 4.5rem);
  --shell: clamp(20rem, 92vw, 71rem);
  --rail: clamp(18rem, 34vw, 25rem);
}

html {
  box-sizing: border-box;
}

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

* {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--fluid-body);
  line-height: 1.6;
}

h1 {
  font-size: var(--fluid-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0 0 var(--space-3);
}

h2 {
  font-size: var(--fluid-head);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
}

h3 {
  font-size: var(--fluid-lead);
  font-weight: 500;
  margin: 0 0 var(--space-1);
}

p {
  font-size: var(--fluid-body);
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 var(--space-2);
}

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

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

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

figure {
  margin: 0;
}

.u-shell {
  width: var(--shell);
  margin-left: auto;
  margin-right: auto;
}

.u-flex {
  display: flex;
}

.u-row {
  flex-direction: row;
}

.u-col {
  flex-direction: column;
}

.u-wrap {
  flex-wrap: wrap;
}

.u-mid {
  align-items: center;
}

.u-top {
  align-items: flex-start;
}

.u-between {
  justify-content: space-between;
}

.u-center {
  justify-content: center;
}

.u-gap {
  gap: var(--fluid-gap);
}

.u-gap-1 {
  gap: 1rem;
}

.u-gap-s {
  gap: var(--space-1);
}

.u-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.u-half {
  flex: 1 1 calc(50% - 0.5rem);
  min-width: 18.75rem;
}

.u-third {
  flex: 1 1 calc(33.333% - 0.75rem);
  min-width: 15rem;
}

.u-text-mid {
  text-align: center;
}

.u-bold {
  font-weight: 700;
}

.u-soft {
  color: var(--text-secondary);
}

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

.u-cap {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--fluid-micro);
}

.u-tight {
  margin: 0;
}

.u-lead {
  font-size: var(--fluid-lead);
  color: var(--text-secondary);
}

.u-small {
  font-size: var(--fluid-small);
}

.u-micro {
  font-size: var(--fluid-micro);
  line-height: 1.5;
}

.u-hide-sm {
  display: block;
}

.u-full {
  width: 100%;
}

.u-plain-list {
  list-style: none;
  margin: 0;
  padding: 0;
}