:root { --ink: #14161a; --paper: #f7f7f5; --line: #d4d4d0; --dim: #55575c; --dim-ink: #b9bcc2; --good: #0a6b3b; --bad: #b3261e; --font: "Atkinson Hyperlegible Next", system-ui, sans-serif; --mono: "Atkinson Hyperlegible Mono", ui-monospace, monospace; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.6 var(--font); }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid #2f7de1; outline-offset: 2px; }
.top { position: absolute; inset: 0 0 auto; z-index: 2; display: flex; justify-content: space-between; align-items: center; padding: 18px clamp(20px, 4vw, 56px); color: #fff; }
.mark { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; text-decoration: none; }
.mark img { border-radius: 6px; box-shadow: 0 0 0 1px rgb(255 255 255 / .35); }
.top nav { display: flex; gap: 22px; }
.top nav a { min-height: 44px; display: inline-flex; align-items: center; text-underline-offset: 4px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); min-height: min(100svh, 860px); }
.hero-ink { background: var(--ink); color: #fff; padding: 112px clamp(20px, 5vw, 72px) 64px; display: flex; flex-direction: column; justify-content: center; }
.hero-paper { background: #fff; padding: 112px clamp(20px, 4vw, 56px) 64px; display: flex; flex-direction: column; justify-content: center; gap: 14px; }
.eyebrow { margin: 0 0 18px; color: var(--dim-ink); font-family: var(--mono); font-size: .875rem; }
h1 { margin: 0; font-size: clamp(2.25rem, 1.3rem + 3.5vw, 4.25rem); line-height: 1.04; font-weight: 800; letter-spacing: -.02em; text-wrap: balance; }
.lede { max-width: 34em; margin: 22px 0 28px; color: #dcdee2; font-size: 1.1875rem; }
.actions { display: flex; flex-wrap: nowrap; align-items: center; gap: 20px; margin: 0; white-space: nowrap; }
.quiet { min-height: 44px; display: inline-flex; align-items: center; text-underline-offset: 4px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border: 0; border-radius: 4px; background: #fff; color: var(--ink); font: 600 1rem var(--font); text-decoration: none; cursor: pointer; transition: transform 120ms ease-out, background-color 150ms; }
.btn:active { transform: scale(.98); }
.btn.dark { align-self: flex-start; background: var(--ink); color: #fff; }
.btn.dark:hover { background: #2b2e35; }
.btn.dark:disabled { background: var(--line); color: var(--dim); cursor: default; }
.sample { margin: 0; font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.25rem); line-height: 1.2; font-weight: 600; min-height: 3.6em; }
.meter { display: flex; align-items: baseline; gap: 14px; font-family: var(--mono); }
#ratio { font-size: 2rem; font-weight: 600; font-variant-numeric: tabular-nums; }
#verdict { font-weight: 600; }
.bad { color: var(--bad); } .good { color: var(--good); }
.slide { color: var(--dim); font-size: .9375rem; }
.slide code { font-family: var(--mono); color: var(--ink); }
input[type=range] { width: 100%; min-height: 44px; accent-color: var(--ink); cursor: grab; }
.demo-note { margin: 0; color: var(--dim); font-size: .9375rem; }
section:not(.hero) { padding: clamp(56px, 8vw, 104px) clamp(20px, 6vw, 96px); }
h2 { margin: 0 0 28px; font-size: clamp(1.75rem, 1.3rem + 1.8vw, 2.75rem); line-height: 1.1; font-weight: 800; letter-spacing: -.015em; text-wrap: balance; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: clamp(32px, 6vw, 88px); align-items: start; }
.plain { list-style: none; margin: 0; padding: 0; max-width: 38em; }
.plain li { padding: 16px 0; border-top: 1px solid var(--line); }
figure { margin: 0; }
figure img { display: block; max-width: 100%; height: auto; border-radius: 6px; box-shadow: 0 12px 32px rgb(20 22 26 / .22); }
figcaption { margin-top: 12px; color: var(--dim); font-size: .9375rem; }
.limit { background: var(--ink); color: #fff; }
.limit p { max-width: 42em; margin: 0; color: #dcdee2; font-size: 1.1875rem; }
.tiers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 2px solid var(--ink); }
.tiers > div { padding: 24px 32px 8px 0; }
.tiers > div + div { padding-left: 32px; border-left: 1px solid var(--line); }
h3 { margin: 0; font-size: 1.125rem; }
.amount { margin: 8px 0; font: 600 2rem var(--mono); }
.amount small { font: 400 .9375rem var(--font); color: var(--dim); }
.faq details { max-width: 46em; border-top: 1px solid var(--line); padding: 14px 0; }
summary { font-weight: 600; cursor: pointer; min-height: 28px; }
.prose { max-width: 46em; padding: 112px clamp(20px, 5vw, 56px) 64px; margin: 0 auto; }
.prose h1 { font-size: clamp(2rem, 1.4rem + 2.2vw, 3rem); margin-bottom: 20px; }
.prose h2 { font-size: 1.375rem; margin: 36px 0 10px; }
body:has(.prose) .top { position: static; color: var(--ink); }
body:has(.prose) .prose { padding-top: 32px; }
@media (min-width: 861px) { .top nav { color: var(--ink); } }
.foot { padding: 32px clamp(20px, 6vw, 96px); border-top: 1px solid var(--line); color: var(--dim); font-size: .9375rem; }
.foot p { margin: 0 0 8px; }
.foot a { display: inline-block; margin-right: 14px; padding: 4px 0; }
@media (max-width: 860px) {
  .hero { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .hero-paper { padding-top: 48px; padding-bottom: 48px; }
  .sample { min-height: 0; }
  .split, .tiers { grid-template-columns: minmax(0, 1fr); }
  .tiers > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
}
