/* ==========================================================================
   Punchdev — voxcub.com
   Editor tools for Unity developers
   ========================================================================== */

:root {
  --bg:        #0e1013;
  --surface:   #16191e;
  --surface-2: #1b1f26;
  --line:      #262b33;
  --line-soft: #1e222a;
  --text:      #e5e7ea;
  --muted:     #8b939e;
  --muted-dim: #666d78;
  --amber:     #f0a020;
  --amber-dim: #6b4b16;
  --added:     #6fa88a;
  --removed:   #c07a82;

  --measure: 68ch;
  --container: 1080px;

  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- layout primitives ---------- */

.wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 28px;
  padding-right: 28px;
}

.prose-wrap {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 28px;
  padding-right: 28px;
}

.band {
  padding: 88px 0;
  border-top: 1px solid var(--line-soft);
}

.band--tight { padding: 56px 0; }
.band--first { border-top: 0; }

/* ---------- type ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0;
}

h1 {
  font-size: clamp(2.4rem, 5.2vw, 3.9rem);
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 18px;
}

h3 {
  font-size: 1.18rem;
  margin-bottom: 10px;
}

p { margin: 0 0 18px; }

a {
  color: var(--text);
  text-decoration-color: var(--amber-dim);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s ease, color 0.15s ease;
}

a:hover { text-decoration-color: var(--amber); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-dim);
  margin: 0 0 20px;
  display: block;
}

.lede {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 60ch;
  line-height: 1.6;
}

.small { font-size: 0.9rem; color: var(--muted); }

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1px 5px;
  color: #dcd2c0;
}

pre {
  font-family: var(--font-mono);
  font-size: 0.83rem;
  line-height: 1.6;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber-dim);
  border-radius: 4px;
  padding: 18px 20px;
  overflow-x: auto;
  margin: 0 0 24px;
  color: #cfd3d9;
}

pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

/* ---------- header ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(14, 16, 19, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}

.site-head__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 62px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  white-space: nowrap;
}

.brand__mark {
  display: block;
  width: 20px;
  height: 14px;
  flex: 0 0 auto;
}

.brand__domain {
  color: var(--muted-dim);
  letter-spacing: 0.1em;
  text-transform: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.92rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

.nav a:hover,
.nav a[aria-current="page"] { color: var(--text); }

/* ---------- hero ---------- */

.hero { padding: 104px 0 72px; }

.hero h1 { max-width: 19ch; text-wrap: balance; }

.hero .lede { margin-top: 24px; }

/* ---------- signature: the diff strip ---------- */

.strip {
  margin-top: 64px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  overflow: hidden;
}

.strip__head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted-dim);
}

.strip__rows { padding: 18px 18px 20px; }

.row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 5px 0;
}

.row__label {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--muted-dim);
  width: 148px;
  flex: 0 0 148px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row__track {
  display: flex;
  gap: 3px;
  flex: 1 1 auto;
  min-width: 0;
}

.seg {
  height: 8px;
  border-radius: 1px;
  background: var(--line);
  flex: 1 1 auto;
}

.seg--changed { background: var(--amber); }
.seg--added   { background: var(--added); }
.seg--removed { background: var(--removed); }
.seg--w2 { flex-grow: 2; }
.seg--w3 { flex-grow: 3; }
.seg--w5 { flex-grow: 5; }

.strip__foot {
  padding: 13px 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--muted-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.key {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.key__dot {
  width: 9px;
  height: 9px;
  border-radius: 1px;
  display: inline-block;
}

@media (prefers-reduced-motion: no-preference) {
  .strip .row {
    opacity: 0;
    animation: rowIn 0.5s ease forwards;
  }
  .strip .row:nth-child(1) { animation-delay: 0.05s; }
  .strip .row:nth-child(2) { animation-delay: 0.11s; }
  .strip .row:nth-child(3) { animation-delay: 0.17s; }
  .strip .row:nth-child(4) { animation-delay: 0.23s; }
  .strip .row:nth-child(5) { animation-delay: 0.29s; }
  .strip .row:nth-child(6) { animation-delay: 0.35s; }
  .strip .row:nth-child(7) { animation-delay: 0.41s; }
}

@keyframes rowIn {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- tool cards ---------- */

.tools {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 5px;
  overflow: hidden;
}

@media (min-width: 780px) {
  .tools { grid-template-columns: 1fr 1fr; }
}

.tool {
  background: var(--bg);
  padding: 34px 32px 32px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: background 0.18s ease;
}

.tool:hover { background: var(--surface); }

.tool__bar {
  display: flex;
  gap: 3px;
  margin-bottom: 22px;
}

.tool__bar span {
  height: 5px;
  border-radius: 1px;
  background: var(--line);
  flex: 1 1 auto;
}

.tool__bar span.on { background: var(--amber); }

.tool h3 { margin-bottom: 6px; }

.tool__sub {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted-dim);
  margin-bottom: 16px;
}

.tool p {
  color: var(--muted);
  font-size: 0.97rem;
  margin-bottom: 20px;
}

.tool__more {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--amber);
  text-transform: uppercase;
}

/* ---------- feature list ---------- */

.facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.facts li {
  border-bottom: 1px solid var(--line-soft);
  padding: 16px 0;
  display: flex;
  gap: 20px;
  align-items: baseline;
}

.facts__key {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dim);
  width: 170px;
  flex: 0 0 170px;
}

.facts__val { color: var(--text); flex: 1 1 auto; }

@media (max-width: 620px) {
  .facts li { flex-direction: column; gap: 5px; }
  .facts__key { width: auto; flex: none; }
}

/* ---------- buttons ---------- */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 3px;
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.btn:hover { border-color: var(--muted-dim); background: var(--surface-2); }

.btn--primary {
  background: var(--amber);
  border-color: var(--amber);
  color: #17130a;
  font-weight: 500;
}

.btn--primary:hover {
  background: #ffb238;
  border-color: #ffb238;
}

/* ---------- article list ---------- */

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

.entries li { border-top: 1px solid var(--line-soft); }
.entries li:last-child { border-bottom: 1px solid var(--line-soft); }

.entry {
  display: block;
  padding: 26px 0;
  text-decoration: none;
  color: inherit;
}

.entry:hover .entry__title { color: var(--amber); }

.entry__date {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.1em;
  color: var(--muted-dim);
  text-transform: uppercase;
}

.entry__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 7px 0 8px;
  transition: color 0.15s ease;
}

.entry__excerpt {
  color: var(--muted);
  font-size: 0.97rem;
  margin: 0;
  max-width: 66ch;
}

/* ---------- article body ---------- */

.article { padding: 72px 0 40px; }

.article__meta {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-dim);
  margin-bottom: 22px;
}

.article h1 {
  font-size: clamp(2rem, 4.4vw, 2.9rem);
  margin-bottom: 22px;
}

.article__standfirst {
  font-size: 1.15rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 44px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line-soft);
}

.article h2 {
  margin-top: 52px;
  font-size: 1.5rem;
}

.article h3 {
  margin-top: 34px;
  font-size: 1.12rem;
}

.article ul,
.article ol {
  margin: 0 0 20px;
  padding-left: 22px;
}

.article li { margin-bottom: 9px; }

.article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 0 0 26px;
}

.article th,
.article td {
  text-align: left;
  padding: 11px 14px 11px 0;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

.article th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dim);
  font-weight: 400;
}

.note {
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  background: var(--surface);
  border-radius: 4px;
  padding: 20px 22px;
  margin: 0 0 26px;
}

.note p:last-child { margin-bottom: 0; }

.note__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  display: block;
  margin-bottom: 8px;
}

.endnote {
  margin-top: 56px;
  padding-top: 30px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 0.97rem;
}

/* ---------- changelog ---------- */

.release {
  border-top: 1px solid var(--line-soft);
  padding: 30px 0;
  display: flex;
  gap: 34px;
}

.release__stamp {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted-dim);
  width: 168px;
  flex: 0 0 168px;
  line-height: 1.9;
}

.release__ver { color: var(--amber); display: block; }

.release__body { flex: 1 1 auto; }
.release__body ul { margin: 0; padding-left: 20px; }
.release__body li { margin-bottom: 7px; color: var(--muted); }

@media (max-width: 620px) {
  .release { flex-direction: column; gap: 12px; }
  .release__stamp { width: auto; flex: none; line-height: 1.5; }
}

/* ---------- footer ---------- */

.site-foot {
  border-top: 1px solid var(--line-soft);
  padding: 46px 0 60px;
  color: var(--muted-dim);
  font-size: 0.9rem;
}

.site-foot__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: space-between;
  align-items: flex-start;
}

.site-foot a { color: var(--muted); text-decoration: none; }
.site-foot a:hover { color: var(--text); }

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

/* ---------- utility ---------- */

.stack > * + * { margin-top: 18px; }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--amber);
  color: #17130a;
  padding: 10px 16px;
  z-index: 100;
}

.skip:focus { left: 12px; top: 12px; }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 2px;
}

@media (max-width: 820px) {
  body { font-size: 16px; }
  .hero { padding: 60px 0 44px; }
  .band { padding: 60px 0; }
  .brand__domain { display: none; }
  .row__label { width: 96px; flex-basis: 96px; }

  .site-head__inner {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    height: auto;
  }

  .brand { padding: 14px 0 12px; }

  .nav {
    gap: 20px;
    font-size: 0.88rem;
    padding: 0 0 12px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .nav::-webkit-scrollbar { display: none; }
}

@media (max-width: 420px) {
  .wrap, .prose-wrap { padding-left: 20px; padding-right: 20px; }
  .tool { padding: 28px 22px; }
}

/* Anchor targets must clear the sticky header when deep-linked. */
h2[id], h3[id] { scroll-margin-top: 84px; }