/* Isovio placeholder site: drafting paper, ink, one violet. Tokens from _marke/isovio (brand sheet). */
@font-face { font-family: "Archivo Expanded"; src: url("fonts/archivo-expanded-800.woff2") format("woff2"); font-weight: 800; font-display: swap; }
@font-face { font-family: "Archivo Expanded"; src: url("fonts/archivo-expanded-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
:root {
  --paper: #f5f5f8; --surface: #ffffff; --ink: #17162b; --graphite: #62607a; --line: #dedce8;
  --violet: #5132c9; --violet-soft: #eeeafd; --draw: #a597f2; --design: #2f1e86; --brass: #d98e1f;
  --display: "Archivo Expanded", "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --text: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #0f0e1b; --surface: #181729; --ink: #e8e7f2; --graphite: #9a98b3; --line: #2c2a44;
    --violet: #9f8cff; --violet-soft: #221d44; --draw: #c9bfff; --design: #5b45d6; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--text); padding-inline: 20px; }
a { color: var(--violet); }
a:focus-visible, .button:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: 1080px; margin: 0 auto; }
header.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 26px; }
header.top .logo { display: block; width: 168px; height: auto; color: var(--ink); }
header.top .logo svg { display: block; width: 100%; height: auto; }
header.top nav { display: flex; gap: 22px; }
header.top nav a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 15px; }
header.top nav a:hover { color: var(--violet); }
.hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr); gap: clamp(28px, 6vw, 80px);
  align-items: center; padding-block: clamp(40px, 9vw, 110px) clamp(40px, 7vw, 90px); }
.eyebrow { font: 500 13px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--graphite); display: flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--brass); }
h1 { font-family: var(--display); font-weight: 800; font-size: clamp(2.2rem, 5.6vw, 4.1rem); line-height: 1.04;
  letter-spacing: -0.02em; margin: 20px 0 22px; text-wrap: balance; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--graphite); max-width: 36em; margin: 0 0 30px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; }
.button { display: inline-block; background: var(--violet); color: #fff; text-decoration: none; font-weight: 600;
  padding: 13px 22px; border-radius: 10px; }
@media (prefers-color-scheme: dark) { .button { color: #0f0e1b; } }
.button:hover { filter: brightness(1.08); }
.mail { font-family: var(--mono); font-size: 15px; color: var(--graphite); user-select: all; }
.cube { width: min(100%, 380px); justify-self: center; }
.cube svg { width: 100%; height: auto; display: block; }
.tiers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding-bottom: clamp(40px, 7vw, 90px); }
.tier { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 22px; display: grid; gap: 10px; align-content: start; }
.tier svg { width: 40px; height: 40px; }
.tier h2 { font-family: var(--display); font-weight: 800; font-size: 1.25rem; margin: 4px 0 0; letter-spacing: -0.01em; }
.tier h2 span { font-weight: 600; color: var(--violet); }
.tier p { margin: 0; color: var(--graphite); font-size: 15.5px; }
.tier .state { font: 500 12px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--graphite); }
.norms { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-block: 18px; display: flex;
  flex-wrap: wrap; gap: 8px 26px; font: 500 13px/1.4 var(--mono); color: var(--graphite); }
footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-block: 28px 40px; font-size: 14px; color: var(--graphite); }
footer a { color: var(--graphite); }
footer nav { display: flex; gap: 20px; }
.page { max-width: 720px; padding-block: 30px 60px; }
.page h1 { font-size: clamp(2rem, 4.5vw, 2.8rem); }
.page h2 { font-family: var(--display); font-weight: 600; font-size: 1.15rem; margin: 34px 0 8px; }
.page p { margin: 0 0 12px; }
@media (max-width: 760px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
  .cube { order: -1; width: min(60%, 240px); justify-self: start; }
  .tiers { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: no-preference) {
  .cube .face { transition: transform 0.5s ease; }
  .cube:hover .top { transform: translateY(-5px); }
  .cube:hover .left { transform: translate(-4px, 3px); }
  .cube:hover .right { transform: translate(4px, 3px); }
}

.quiet { color: var(--ink); font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--line); }
.quiet:hover { color: var(--violet); border-color: var(--violet); }
.page.wide { max-width: 900px; }
.page .lead { margin-bottom: 28px; }
.release { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: clamp(18px, 3vw, 28px); display: grid; gap: 16px; }
.release-head { display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: center; justify-content: space-between; }
.release h2 { font-family: var(--display); font-weight: 800; font-size: clamp(1.3rem, 2.6vw, 1.7rem); margin: 10px 0 4px; }
.release .meta { color: var(--graphite); margin: 0; font-size: 15px; }
.hash { display: grid; gap: 4px; margin: 0; font-size: 13px; color: var(--graphite); }
.hash span { font: 500 12px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
code { font-family: var(--mono); font-size: 0.9em; overflow-wrap: anywhere; }
.hash code { user-select: all; color: var(--ink); }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 36px; margin-top: 12px; }
.facts h2 { margin-top: 26px; }
@media (max-width: 760px) { .facts { grid-template-columns: minmax(0, 1fr); } }