/* opifer.dev — the same tokens as the product (NextEpochs identity) */
:root {
  --bg: #0a0a0f;
  --panel: #14141e;
  --panel-2: #1b1b28;
  --line: #24243a;
  --line-strong: #34344f;
  --ink: #f1f1f6;
  --mute: #8888a0;
  --faint: #5f5f7a;
  --violet: #7c3aed;
  --violet-2: #a855f7;
  --violet-text: #c4a1ff;
  --cyan: #06b6d4;
  --green: #10b981;
  --amber: #fbbf24;
  --red: #f87171;
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --measure: 62ch;
  --radius: 14px;
  --radius-s: 9px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a {
  color: var(--violet-text);
  text-decoration: none;
  text-underline-offset: 3px;
}
a:hover {
  text-decoration: underline;
}
:focus-visible {
  outline: 2px solid var(--violet-2);
  outline-offset: 3px;
  border-radius: 4px;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
code,
kbd,
pre {
  font-family: var(--mono);
  font-size: 0.92em;
}
code {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.1em 0.4em;
}
pre {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 16px 18px;
  overflow-x: auto;
  line-height: 1.55;
}
pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 14.5px;
}
.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--violet);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 10;
}
.skip:focus {
  left: 16px;
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

/* header */
.top {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.top .wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.brand:hover {
  text-decoration: none;
}
.brand .mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--violet), var(--violet-2));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 16px;
}
.nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
  font-size: 15px;
}
.nav a {
  color: var(--mute);
}
.nav a:hover {
  color: var(--ink);
  text-decoration: none;
}
.nav .gh {
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: var(--panel);
  white-space: nowrap;
}
.btn:hover {
  text-decoration: none;
  background: var(--panel-2);
}
.btn.primary {
  background: linear-gradient(135deg, var(--violet), var(--violet-2));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 30px -12px rgba(168, 85, 247, 0.7);
}
.btn.primary:hover {
  filter: brightness(1.08);
}

/* hero */
.hero {
  padding: 72px 0 40px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 44px;
  align-items: center;
}
.hero > div {
  min-width: 0;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(38px, 5.4vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  text-wrap: balance;
}
.hero p.lede {
  font-size: 19px;
  color: var(--mute);
  max-width: var(--measure);
  margin: 0 0 26px;
}
.hero p.lede strong {
  color: var(--ink);
  font-weight: 600;
}
.install {
  margin: 0 0 18px;
  position: relative;
}
.install pre {
  margin: 0;
  background: #0f0f18;
  border-color: var(--line-strong);
  padding: 14px 84px 14px 16px;
}
.install .copy {
  position: absolute;
  top: 8px;
  right: 8px;
  height: 30px;
  padding: 0 10px;
  font-size: 13px;
  border-radius: 7px;
  background: var(--panel-2);
  border: 1px solid var(--line-strong);
  color: var(--mute);
  cursor: pointer;
  font-family: var(--sans);
}
.install .copy:hover {
  color: var(--ink);
}
.install .c {
  color: var(--faint);
}
.hero .actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.hero .small {
  font-size: 14px;
  color: var(--faint);
  margin: 14px 0 0;
}

/* the living org chart */
.org {
  position: relative;
  background: radial-gradient(60% 60% at 50% 30%, rgba(124, 58, 237, 0.18), transparent 70%), var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  min-height: 420px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 14px;
  overflow: hidden;
}
.org .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 12px;
  font-size: 13px;
  color: var(--mute);
}
.org .bar > span {
  white-space: nowrap;
}
.org .bar .co {
  color: var(--ink);
  font-weight: 600;
}
.org .spend {
  display: flex;
  align-items: center;
  gap: 8px;
}
.org .spend .meter {
  width: 64px;
  height: 6px;
  border-radius: 3px;
  background: var(--line);
  overflow: hidden;
}
.org .spend .meter i {
  display: block;
  height: 100%;
  width: 4%;
  background: linear-gradient(90deg, var(--violet), var(--violet-2));
  transition: width 0.7s ease;
}
.chart {
  position: relative;
  display: grid;
  grid-template-rows: auto auto auto;
  gap: 34px;
  align-content: center;
  justify-items: center;
}
.chart svg.edges {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.chart svg.edges path {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1.5;
}
.row {
  display: flex;
  gap: 10px;
  justify-content: center;
  width: 100%;
  position: relative;
  z-index: 1;
}
.row:last-child .node {
  flex: 1 1 0;
  min-width: 0;
}
.node {
  background: var(--panel-2);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 9px 12px 9px 9px;
  display: grid;
  grid-template-columns: 34px 1fr;
  grid-template-rows: auto auto;
  column-gap: 10px;
  align-items: center;
  min-width: 0;
  transition:
    border-color 0.4s,
    box-shadow 0.4s;
}
.node .nm,
.node .rl,
.node .st {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}
.node.you,
.row:nth-child(2) .node {
  min-width: 170px;
}
.node .av {
  grid-row: 1 / 3;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-weight: 700;
  font-size: 12px;
  color: #0a0a0f;
}
.node .nm {
  font-weight: 600;
  font-size: 14px;
  line-height: 1.2;
}
.node .rl {
  font-size: 12px;
  color: var(--mute);
  line-height: 1.2;
}
.node .st {
  grid-column: 1 / 3;
  margin-top: 6px;
  font-size: 11.5px;
  line-height: 1.2;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--line);
  color: var(--mute);
  justify-self: start;
  min-height: 20px;
  transition:
    background 0.35s,
    color 0.35s;
}
.node[data-s="working"] {
  border-color: rgba(6, 182, 212, 0.55);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.12);
}
.node[data-s="working"] .st {
  background: rgba(6, 182, 212, 0.16);
  color: #67e8f9;
}
.node[data-s="waiting"] {
  border-color: rgba(251, 191, 36, 0.6);
  box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.12);
}
.node[data-s="waiting"] .st {
  background: rgba(251, 191, 36, 0.16);
  color: #fde68a;
}
.node[data-s="delivered"] {
  border-color: rgba(168, 85, 247, 0.65);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.14);
}
.node[data-s="delivered"] .st {
  background: rgba(168, 85, 247, 0.18);
  color: var(--violet-text);
}
.node[data-s="done"] {
  border-color: rgba(16, 185, 129, 0.6);
}
.node[data-s="done"] .st {
  background: rgba(16, 185, 129, 0.16);
  color: #6ee7b7;
}
.node[data-s="idle"] .st {
  color: var(--faint);
}
.card {
  border: 1px solid var(--line-strong);
  background: #101019;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.45;
  min-height: 74px;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px 14px;
  align-items: center;
  transition: opacity 0.4s;
}
.card[hidden] {
  display: none;
}
.card .t {
  font-weight: 600;
}
.card .d {
  color: var(--mute);
  grid-column: 1;
}
.card code {
  font-size: 12.5px;
}
.card .act {
  grid-row: 1 / 3;
  display: flex;
  gap: 8px;
}
.card .act span {
  height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 13px;
  border: 1px solid var(--line-strong);
  background: var(--panel-2);
}
.card .act .ok {
  background: linear-gradient(135deg, var(--violet), var(--violet-2));
  border-color: transparent;
  color: #fff;
}
.card .act .ok.pressed {
  filter: brightness(0.85);
  transform: scale(0.97);
}
.card.blocked {
  border-color: rgba(248, 113, 113, 0.5);
}
.card.learned {
  border-color: rgba(16, 185, 129, 0.5);
}
.org .replay {
  position: absolute;
  right: 14px;
  bottom: 12px;
  font-size: 12.5px;
  color: var(--faint);
  background: none;
  border: 0;
  cursor: pointer;
  font-family: var(--sans);
}
.org .replay:hover {
  color: var(--ink);
}

/* sections */
section.block {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}
section.block h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(30px, 3.6vw, 44px);
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin: 0 0 14px;
  text-wrap: balance;
}
section.block .sub {
  color: var(--mute);
  font-size: 18px;
  max-width: var(--measure);
  margin: 0 0 36px;
}
.two {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}

/* screenshot with tabs */
.shots {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}
.shots .tabs {
  display: flex;
  gap: 4px;
  padding: 8px;
  border-bottom: 1px solid var(--line);
  background: #0f0f18;
}
.shots .tabs button {
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--mute);
  background: none;
  border: 0;
  padding: 6px 12px;
  border-radius: 7px;
  cursor: pointer;
}
.shots .tabs button[aria-selected="true"] {
  background: var(--panel-2);
  color: var(--ink);
}
.shots figure {
  margin: 0;
}
.shots figure[hidden] {
  display: none;
}
.shots figcaption {
  padding: 12px 16px;
  color: var(--mute);
  font-size: 14.5px;
  border-top: 1px solid var(--line);
}

/* steps (a real sequence) */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  counter-reset: step;
}
.steps > div {
  border-top: 2px solid var(--violet);
  padding-top: 18px;
}
.steps > div::before {
  counter-increment: step;
  content: counter(step);
  font-family: var(--display);
  font-weight: 700;
  font-size: 30px;
  color: var(--violet-text);
  display: block;
  line-height: 1;
  margin-bottom: 12px;
}
.steps h3 {
  font-family: var(--display);
  font-size: 21px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.steps p {
  margin: 0;
  color: var(--mute);
  font-size: 16px;
}

/* guarantees: a definition list, not cards */
.rules {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 48px;
  margin: 0;
}
.rules > div {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.rules dt {
  font-family: var(--display);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.35;
}
.rules dd {
  margin: 0;
  color: var(--mute);
  font-size: 15.5px;
}

/* connections row */
.plain {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.plain span {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 15px;
  background: var(--panel);
}
.plain span.on {
  border-color: rgba(168, 85, 247, 0.5);
}

/* learning */
.learn {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.learn .num {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(64px, 9vw, 120px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #fff, var(--violet-text));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.learn .num small {
  display: block;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: 0;
  color: var(--mute);
  -webkit-text-fill-color: var(--mute);
  margin-top: 10px;
}
.learn ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.learn li {
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid var(--line);
  position: relative;
  color: var(--mute);
}
.learn li strong {
  color: var(--ink);
  font-weight: 600;
}
.learn li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

/* docs list */
.docs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.docs a {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  color: var(--ink);
  background: var(--panel);
}
.docs a:hover {
  border-color: var(--line-strong);
  text-decoration: none;
}
.docs a b {
  display: block;
  font-family: var(--display);
  font-size: 18px;
  margin-bottom: 4px;
}
.docs a span {
  color: var(--mute);
  font-size: 15px;
}

/* faq */
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}
.faq summary {
  cursor: pointer;
  font-family: var(--display);
  font-weight: 600;
  font-size: 18px;
  padding: 14px 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: "+";
  color: var(--mute);
  font-weight: 400;
  font-size: 22px;
  line-height: 1;
}
.faq details[open] summary::after {
  content: "–";
}
.faq p {
  margin: 0 0 16px;
  color: var(--mute);
  max-width: var(--measure);
}

/* closing */
.close {
  padding: 80px 0;
  border-top: 1px solid var(--line);
  text-align: left;
}
.close h2 {
  font-family: var(--display);
  font-size: clamp(32px, 4.5vw, 56px);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 18px;
  max-width: 18ch;
}
.close .install {
  max-width: 720px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--faint);
  font-size: 14px;
}
footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
}
footer a {
  color: var(--mute);
}
footer .r {
  margin-left: auto;
}

/* docs pages */
.doc {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  padding: 48px 0 80px;
}
.doc aside {
  position: sticky;
  top: 84px;
  align-self: start;
  font-size: 15px;
}
.doc aside a {
  display: block;
  color: var(--mute);
  padding: 6px 0;
}
.doc aside a.on {
  color: var(--ink);
  font-weight: 600;
}
.doc aside .grp {
  color: var(--faint);
  font-size: 13px;
  margin: 18px 0 4px;
}
.doc article {
  max-width: 76ch;
}
.doc article h1 {
  font-family: var(--display);
  font-size: clamp(32px, 4vw, 44px);
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 18px;
}
.doc article h2 {
  font-family: var(--display);
  font-size: 26px;
  letter-spacing: -0.015em;
  margin: 40px 0 10px;
  padding-top: 8px;
}
.doc article h3 {
  font-family: var(--display);
  font-size: 20px;
  margin: 28px 0 8px;
}
.doc article p,
.doc article li {
  color: #c9c9d8;
}
.doc article li {
  margin: 6px 0;
}
.doc article strong {
  color: var(--ink);
}
.doc article pre {
  margin: 14px 0 20px;
}
.doc article table {
  border-collapse: collapse;
  width: 100%;
  font-size: 15px;
}
.doc article th,
.doc article td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.doc article blockquote {
  margin: 16px 0;
  padding: 2px 18px;
  border-left: 3px solid var(--violet);
  color: var(--mute);
}
.doc .src {
  margin-top: 40px;
  font-size: 14px;
  color: var(--faint);
}

/* responsive */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 44px;
  }
  .two,
  .learn {
    grid-template-columns: 1fr;
  }
  .rules {
    grid-template-columns: 1fr;
  }
  .steps,
  .docs {
    grid-template-columns: 1fr;
  }
  .doc {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .doc aside {
    position: static;
  }
  .nav a:not(.gh):not(.docs-link) {
    display: none;
  }
}
@media (max-width: 560px) {
  body {
    font-size: 16px;
  }
  .rules > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .node {
    min-width: 0;
    padding: 7px 9px 7px 7px;
  }
  .node .rl {
    display: none;
  }
  .row {
    gap: 8px;
  }
  .card {
    grid-template-columns: 1fr;
  }
  .card .act {
    grid-row: auto;
  }
  .org {
    padding: 16px;
    min-height: 0;
  }
  .brand span.word {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}