/* ═══════════════════════════════════════════════════════
   UiPath Uncharted — Field Notes (blog)
   Shared styles for blog/index.html and every post page.
   ═══════════════════════════════════════════════════════ */

:root {
  --uu-bg: #060816;
  --uu-panel: rgba(12, 17, 40, 0.72);
  --uu-panel2: rgba(16, 22, 48, 0.9);
  --uu-text: #f0f4ff;
  --uu-muted: #8b98c0;
  --uu-muted2: #6b7aa8;
  --uu-accent: #7c5cff;
  --uu-accent2: #42d6ff;
  --uu-accent-text: #b9a8ff;
  --uu-imgbg: #080b1c;
  --uu-code-bg: #080b1c;
  --uu-border: rgba(255, 255, 255, 0.08);
  --uu-border2: rgba(255, 255, 255, 0.14);
  --uu-glow: 0 20px 60px rgba(124, 92, 255, 0.22);
  --uu-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  --uu-wash:
    radial-gradient(ellipse 90% 55% at 50% -5%, rgba(124, 92, 255, 0.18), transparent),
    radial-gradient(ellipse 55% 35% at 8% 18%, rgba(66, 214, 255, 0.07), transparent),
    radial-gradient(ellipse 45% 35% at 92% 75%, rgba(124, 92, 255, 0.06), transparent),
    linear-gradient(180deg, #02040c 0%, #060918 100%);
  --uu-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --uu-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --uu-gutter: 28px;
}

/* Accent palette — every coloured chip, rail and badge reads --c */
.c-cyan   { --c: #42d6ff; }
.c-purple { --c: #7c5cff; }
.c-orange { --c: #ff9f5c; }
.c-green  { --c: #3ddc97; }
.c-pink   { --c: #ff5c8a; }
.c-slate  { --c: #8b98c0; }

/* Pillar colours — identical to the main site's Season pillars (styles.css) */
.p-discover { --c: #22d3ee; --c2: #3b82f6; }
.p-build    { --c: #34d399; --c2: #10b981; }
.p-run      { --c: #a78bfa; --c2: #7c3aed; }
.p-engage   { --c: #fbbf24; --c2: #f59e0b; }
.p-govern   { --c: #fb7185; --c2: #ef4444; }

/* ─── Base ─────────────────────────────────────────────── */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--uu-bg);
  color: var(--uu-text);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

[hidden] {
  display: none !important;
}

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

a {
  color: var(--uu-accent2);
  text-decoration: none;
}

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

button,
input {
  font: inherit;
}

::selection {
  background: rgba(124, 92, 255, 0.32);
}

:focus-visible {
  outline: 2px solid var(--uu-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.mono {
  font-family: var(--uu-mono);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 9px 14px;
  border-radius: 9px;
  background: var(--uu-accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  color: #fff;
  transform: translateY(0);
}

.uu-page {
  min-height: 100vh;
  background-image: var(--uu-wash);
  background-attachment: fixed;
}

.uu-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding-left: var(--uu-gutter);
  padding-right: var(--uu-gutter);
}

/* ─── Reading progress ─────────────────────────────────── */

.uu-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  width: 100%;
  height: 3px;
  pointer-events: none;
}

.uu-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--uu-accent), var(--uu-accent2));
  box-shadow: 0 0 12px rgba(124, 92, 255, 0.7);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 90ms linear;
}

/* ─── Header ───────────────────────────────────────────── */

.uu-header {
  position: sticky;
  top: 0;
  z-index: 150;
  background: var(--uu-panel);
  border-bottom: 1px solid var(--uu-border);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.uu-header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.uu-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex: none;
  color: inherit;
}

.uu-brand:hover {
  color: inherit;
}

.uu-brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  object-fit: contain;
  filter: drop-shadow(0 0 14px rgba(124, 92, 255, 0.55));
}

.uu-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.uu-brand-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--uu-text);
}

.uu-brand-sub {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--uu-accent);
}

.uu-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.uu-nav a {
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--uu-muted);
  transition: background 200ms ease, color 200ms ease;
}

.uu-nav a:hover {
  background: rgba(124, 92, 255, 0.12);
  color: var(--uu-text);
}

/* Cross-link back to the podcast site — lime, matching "Blog" on the main nav */
.uu-nav a.nav-cross {
  color: #a3e635;
  font-weight: 600;
}

.uu-nav a.nav-cross:hover {
  background: rgba(163, 230, 53, 0.12);
  color: #bef264;
}

/* ─── Shared bits ──────────────────────────────────────── */

.rail {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c, var(--uu-accent)), var(--c2, var(--c, var(--uu-accent))) 35%, transparent 70%);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3.5px 9px;
  border-radius: 7px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--c);
  background: color-mix(in srgb, var(--c) 11%, transparent);
  border: 1px solid color-mix(in srgb, var(--c) 27%, transparent);
}

.chip-lg {
  padding: 5px 11px;
  font-size: 12px;
}

.chip-status {
  gap: 5px;
  letter-spacing: 0;
  text-transform: lowercase;
  background: color-mix(in srgb, var(--c) 8%, transparent);
  border-style: dashed;
  border-color: color-mix(in srgb, var(--c) 33%, transparent);
}

.eyebrow-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--uu-muted2);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--uu-accent2);
  box-shadow: 0 0 10px var(--uu-accent2);
  animation: uuPulse 1.8s ease-in-out infinite;
}

.icon {
  width: 16px;
  height: 16px;
  flex: none;
  fill: currentColor;
}

/* ─── Blog home: hero ──────────────────────────────────── */

.hero {
  position: relative;
  padding-top: 76px;
  padding-bottom: 40px;
}

.hero-orb {
  position: absolute;
  top: 40px;
  right: 34px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(66, 214, 255, 0.16), transparent 70%);
  filter: blur(26px);
  animation: uuFloat 9s ease-in-out infinite;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid rgba(124, 92, 255, 0.42);
  background: rgba(124, 92, 255, 0.1);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--uu-accent-text);
}

.hero h1 {
  max-width: 16ch;
  margin: 22px 0 0;
  font-size: clamp(38px, 6.2vw, 72px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.grad-sweep {
  background: linear-gradient(100deg, var(--uu-accent), var(--uu-accent2), var(--uu-accent));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: uuSweep 7s linear infinite;
}

.hero-lede {
  max-width: 62ch;
  margin: 20px 0 0;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.65;
  color: var(--uu-muted);
  text-wrap: pretty;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin: 34px 0 0;
}

.stat {
  display: flex;
  flex-direction: column-reverse;
  gap: 2px;
  margin: 0;
}

.stat dd {
  margin: 0;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.stat dt {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--uu-muted2);
}

/* ─── Blog home: pillar filter ─────────────────────────── */

.pillars-section {
  padding-top: 26px;
  padding-bottom: 10px;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.section-head h2 {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--uu-muted2);
}

.section-head p {
  margin: 0;
  font-size: 12px;
  color: var(--uu-muted2);
}

.pillar-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.pillar-btn {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--c) 33%, transparent);
  background: var(--uu-panel);
  color: var(--uu-text);
  text-align: left;
  cursor: pointer;
  transition: all 260ms var(--uu-ease);
}

.pillar-btn:not(:disabled):hover {
  border-color: color-mix(in srgb, var(--c) 53%, transparent);
}

.pillar-btn[aria-pressed="true"] {
  color: var(--c);
  background: color-mix(in srgb, var(--c) 12%, transparent);
  border-color: color-mix(in srgb, var(--c) 53%, transparent);
  box-shadow: 0 8px 26px color-mix(in srgb, var(--c) 20%, transparent);
  transform: translateY(-2px);
}

.pillar-btn:disabled {
  color: var(--uu-muted2);
  background: transparent;
  border: 1px dashed var(--uu-border2);
  cursor: default;
}

.pillar-dot {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 7px var(--c);
  animation: uuPulse 2.2s ease-in-out infinite;
}

.pillar-btn[aria-pressed="true"] .pillar-dot {
  box-shadow: 0 0 12px var(--c);
}

.pillar-btn:disabled .pillar-dot {
  background: transparent;
  border: 1.5px solid var(--c);
  box-shadow: none;
  opacity: 0.55;
  animation: none;
}

.pillar-name {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.pillar-count {
  margin-left: auto;
  font-family: var(--uu-mono);
  font-size: 11px;
  font-weight: 600;
  opacity: 0.6;
}

/* ─── Blog home: search + status filters ───────────────── */

.feed-section {
  padding-top: 30px;
  padding-bottom: 14px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.search {
  display: flex;
  flex: 1 1 260px;
  align-items: center;
  gap: 9px;
  min-width: 0;
  height: 40px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--uu-border2);
  background: rgba(124, 92, 255, 0.06);
  transition: border-color 180ms ease;
}

.search:focus-within {
  border-color: var(--uu-accent);
}

.search svg {
  flex: none;
  color: var(--uu-muted2);
}

.search input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  color: var(--uu-text);
  font-size: 13.5px;
}

.search input::placeholder {
  color: var(--uu-muted2);
}

.status-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.status-btn {
  padding: 7px 12px;
  border-radius: 9px;
  border: 1px solid var(--uu-border2);
  background: transparent;
  color: var(--uu-muted);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 180ms ease;
}

.status-btn:not([aria-pressed="true"]):hover {
  color: var(--uu-text);
  border-color: color-mix(in srgb, var(--c) 55%, transparent);
}

.status-btn[aria-pressed="true"] {
  color: #fff;
  background: var(--c);
  border-color: var(--c);
}

.result-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 2px 0;
  font-size: 12px;
  color: var(--uu-muted2);
}

.link-btn {
  padding: 0;
  border: none;
  background: none;
  color: var(--uu-accent2);
  font-size: 12px;
  text-decoration: underline;
  cursor: pointer;
}

/* ─── Blog home: post cards ────────────────────────────── */

.posts-section {
  padding-top: 14px;
  padding-bottom: 80px;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 18px;
  overflow: hidden;
  border-radius: 17px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: inherit;
  transition:
    transform 300ms var(--uu-ease),
    border-color 300ms ease,
    box-shadow 300ms ease,
    background 300ms ease;
  animation: uuRise 460ms var(--uu-ease) both;
}

.post-grid > li:nth-child(2) .post-card { animation-delay: 70ms; }
.post-grid > li:nth-child(3) .post-card { animation-delay: 140ms; }
.post-grid > li:nth-child(4) .post-card { animation-delay: 210ms; }

.post-card:hover {
  color: inherit;
  transform: translateY(-5px);
  border-color: var(--uu-border2);
  box-shadow: var(--uu-shadow);
  background:
    radial-gradient(420px circle at 50% -10%, rgba(124, 92, 255, 0.16), transparent 62%),
    var(--uu-panel2);
}

.post-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  margin-bottom: 14px;
  overflow: hidden;
  border-radius: 12px;
  background: var(--uu-imgbg);
}

.post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.86;
  mix-blend-mode: lighten;
  transition: transform 600ms var(--uu-ease);
}

.post-card:hover .post-cover img {
  transform: scale(1.04);
}

.post-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(6, 8, 22, 0.85));
}

.post-card .chips {
  margin-bottom: 10px;
}

.post-card h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--uu-text);
  text-wrap: pretty;
}

.post-card p {
  margin: 9px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--uu-muted);
  text-wrap: pretty;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 16px;
  font-family: var(--uu-mono);
  font-size: 11.5px;
  color: var(--uu-muted2);
}

.post-meta .sep {
  opacity: 0.4;
}

.post-meta .cta {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  font-weight: 600;
  color: var(--uu-accent2);
}

.empty-state {
  padding: 60px 20px;
  border: 1px dashed var(--uu-border2);
  border-radius: 16px;
  text-align: center;
  color: var(--uu-muted);
}

.empty-state p {
  margin: 0;
  font-size: 15px;
}

.empty-state p + p {
  margin-top: 6px;
  font-size: 13px;
  color: var(--uu-muted2);
}

/* ─── Blog home: "follow the show" panel ───────────────── */

.show-section {
  padding-bottom: 90px;
}

.show-cta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  padding: 30px;
  border-radius: 20px;
  border: 1px solid rgba(124, 92, 255, 0.28);
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.14), rgba(66, 214, 255, 0.06));
  box-shadow: var(--uu-glow);
}

.show-cta h2 {
  margin: 0;
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.show-cta p {
  max-width: 44ch;
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--uu-muted);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--uu-border2);
  background: transparent;
  color: var(--uu-text);
  font-size: 13px;
  font-weight: 600;
  transition: background 200ms ease, border-color 200ms ease;
}

.btn-outline:hover {
  color: var(--uu-text);
  border-color: var(--uu-accent2);
}

.btn-outline.is-accent {
  border-color: var(--uu-accent);
}

.btn-outline.is-accent:hover {
  background: rgba(124, 92, 255, 0.16);
}

.up-next {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.up-next li {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 13px;
  border-radius: 11px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel2);
}

.up-next-ep {
  flex: none;
  font-family: var(--uu-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--uu-accent2);
}

.up-next-title {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
}

.up-next-when {
  flex: none;
  margin-left: auto;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--uu-muted2);
}

.up-next li.is-out .up-next-when {
  color: #3ddc97;
}

/* ─── Post page: layout + header ───────────────────────── */

.post-main {
  padding-top: 34px;
  padding-bottom: 90px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  font-size: 13px;
  font-weight: 500;
  color: var(--uu-muted);
}

.back-link:hover {
  color: var(--uu-accent2);
}

.post-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  align-items: start;
  gap: 44px;
}

.post-head .chips {
  margin-bottom: 16px;
}

.post-date {
  font-family: var(--uu-mono);
  font-size: 11.5px;
  color: var(--uu-muted2);
}

.post-title {
  margin: 0;
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.033em;
  text-wrap: balance;
}

.post-lede {
  max-width: 66ch;
  margin: 18px 0 0;
  font-size: 18px;
  line-height: 1.6;
  color: var(--uu-muted);
  text-wrap: pretty;
}

.author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 26px 0 30px;
  padding: 13px 15px;
  border-radius: 13px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel);
}

.author img {
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 50%;
  object-fit: cover;
}

.author-text {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
  line-height: 1.3;
}

.author-name {
  font-size: 13.5px;
  font-weight: 600;
}

.author-role {
  font-size: 11.5px;
  color: var(--uu-muted2);
}

.author-ep {
  margin-left: auto;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--uu-accent-text);
  white-space: nowrap;
}

.post-hero {
  margin: 0 0 34px;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--uu-border);
  background: var(--uu-imgbg);
}

.post-hero img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.post-hero.is-blend img {
  mix-blend-mode: lighten;
  opacity: 0.92;
}

/* ─── Post page: prose ─────────────────────────────────── */

.prose {
  max-width: 70ch;
}

.prose > h2 {
  margin: 40px 0 12px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  scroll-margin-top: 96px;
}

.prose > h2:first-child {
  margin-top: 0;
}

.prose > p {
  margin: 0 0 16px;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--uu-muted);
  text-wrap: pretty;
}

.prose strong {
  font-weight: 600;
  color: var(--uu-text);
}

.prose p code {
  padding: 1px 6px;
  border-radius: 6px;
  background: rgba(124, 92, 255, 0.14);
  color: var(--uu-text);
  font-family: var(--uu-mono);
  font-size: 14.5px;
}

/* Callout: pull-quote and note */
.callout {
  margin: 26px 0;
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px solid rgba(66, 214, 255, 0.3);
  background: linear-gradient(120deg, rgba(66, 214, 255, 0.08), transparent);
}

.callout-label {
  margin: 0 0 7px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--uu-accent2);
}

.callout blockquote {
  margin: 0;
}

.callout-text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--uu-text);
}

.callout blockquote .callout-text {
  font-style: italic;
}

.callout-by {
  margin: 9px 0 0;
  font-size: 12.5px;
  color: var(--uu-muted2);
}

.callout.is-note {
  margin: 22px 0;
  padding: 16px 18px;
}

.callout.is-note .callout-label {
  margin-bottom: 6px;
}

.callout.is-note .callout-text {
  font-size: 15px;
}

/* Numbered phase list (the evidence loop) */
.phase-list {
  display: grid;
  gap: 9px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.phase-list li {
  display: flex;
  gap: 13px;
  padding: 13px 15px;
  border-radius: 12px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel);
}

.phase-n {
  flex: none;
  min-width: 3.2em;
  padding-top: 1px;
  font-family: var(--uu-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--uu-accent-text);
}

.phase-title {
  font-size: 14.5px;
  font-weight: 600;
}

.phase-body {
  margin: 3px 0 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--uu-muted);
}

/* ─── Code ─────────────────────────────────────────────── */

.code-win,
.term {
  overflow: hidden;
  border-radius: 11px;
  border: 1px solid var(--uu-border);
  background: var(--uu-code-bg);
}

.code-win {
  margin: 0 0 22px;
  border-radius: 13px;
}

.code-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(124, 92, 255, 0.08);
}

.code-file {
  font-family: var(--uu-mono);
  font-size: 11px;
  color: #8b98c0;
}

.term-dot {
  width: 9px;
  height: 9px;
  flex: none;
  border-radius: 50%;
  opacity: 0.8;
}

.term-dot:nth-child(1) { background: #ff5c8a; }
.term-dot:nth-child(2) { background: #ff9f5c; }
.term-dot:nth-child(3) { background: #3ddc97; }

.term-dot + .term-dot + .term-dot + .code-file {
  margin-left: 6px;
}

.copy-btn {
  margin-left: auto;
  padding: 3px 9px;
  border-radius: 7px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: transparent;
  color: #f0f4ff;
  font-size: 10.5px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease;
}

.copy-btn:hover {
  border-color: var(--uu-accent);
  background: rgba(124, 92, 255, 0.16);
}

.copy-btn.is-copied {
  border-color: #3ddc97;
  color: #3ddc97;
}

.code-win pre {
  margin: 0;
  padding: 15px;
  overflow-x: auto;
  color: #c9d3f5;
  font-family: var(--uu-mono);
  font-size: 12.5px;
  line-height: 1.75;
}

.term-body {
  padding: 12px 14px;
  overflow-x: auto;
  font-family: var(--uu-mono);
  font-size: 12.5px;
  line-height: 1.8;
}

.ln {
  display: flex;
  white-space: pre;
}

.ln-c  { color: #6b7aa8; }
.ln-p  { color: #f0f4ff; }
.ln-a  { color: #d4c9ff; }
.ln-o  { color: #c9d3f5; }
.ln-ok { color: #3ddc97; }

.pfx {
  color: #42d6ff;
  user-select: none;
}

.ln-a .pfx {
  color: var(--uu-accent);
}

/* macOS / Windows command variants */
[data-os="mac"] .os-win,
[data-os="win"] .os-mac {
  display: none;
}

/* ─── Walkthrough: prerequisites, OS toggle, steps ─────── */

.prereqs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.prereqs .eyebrow-label {
  margin-right: 4px;
}

.prereq {
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid var(--uu-border2);
  background: var(--uu-panel);
  font-size: 12.5px;
}

.os-toggle {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  font-size: 12.5px;
  color: var(--uu-muted);
}

.seg {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: 11px;
  border: 1px solid var(--uu-border2);
  background: var(--uu-panel);
}

.seg button {
  padding: 6px 12px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--uu-muted);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 180ms ease;
}

.seg button:not([aria-pressed="true"]):hover {
  color: var(--uu-text);
}

.seg button[aria-pressed="true"] {
  background: var(--uu-accent);
  color: #fff;
}

.steps {
  position: relative;
  display: grid;
  gap: 16px;
  margin: 6px 0 16px;
  padding: 0;
  list-style: none;
}

.steps::before {
  content: "";
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 17px;
  width: 2px;
  background: linear-gradient(180deg, var(--uu-accent), var(--uu-accent2) 60%, transparent);
  opacity: 0.45;
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 16px;
}

.step-n {
  z-index: 1;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--uu-accent);
  background: var(--uu-bg);
  box-shadow: 0 0 18px rgba(124, 92, 255, 0.4);
  font-family: var(--uu-mono);
  font-size: 12.5px;
  font-weight: 600;
}

.step-card {
  min-width: 0;
  padding: 16px 18px 18px;
  border-radius: 14px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel);
}

.step-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.step-head h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.step-time {
  font-family: var(--uu-mono);
  font-size: 11px;
  color: var(--uu-muted2);
}

.step-body {
  margin: 8px 0 14px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--uu-muted);
  text-wrap: pretty;
}

.step-card > :last-child {
  margin-bottom: 0;
}

.term-stack {
  display: grid;
  gap: 10px;
}

.tip {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(66, 214, 255, 0.22);
  background: rgba(66, 214, 255, 0.07);
}

.tip-label {
  flex: none;
  padding-top: 2px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--uu-accent2);
}

.tip-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
}

/* ─── 4-tier report ────────────────────────────────────── */

.tiers {
  display: grid;
  gap: 8px;
  margin: 8px 0 14px;
  padding: 0;
  list-style: none;
}

.tier {
  border-radius: 12px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel);
  transition: border-color 220ms ease, background 220ms ease;
}

.tier.is-open {
  border-color: color-mix(in srgb, var(--c) 40%, transparent);
  background: color-mix(in srgb, var(--c) 6%, transparent);
}

.tier-btn {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 13px 15px;
  border: 0;
  border-radius: 12px;
  background: none;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.tier-badge {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--c) 33%, transparent);
  background: color-mix(in srgb, var(--c) 10%, transparent);
  color: var(--c);
  font-family: var(--uu-mono);
  font-size: 12px;
  font-weight: 700;
}

.tier-name {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.35;
}

.tier-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
  font-family: var(--uu-mono);
  font-size: 11px;
  color: var(--uu-muted2);
}

.tier-path {
  font-family: var(--uu-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--uu-accent2);
  white-space: nowrap;
}

.tier-why {
  margin: 0 15px;
  padding: 12px 0 13px;
  border-top: 1px solid var(--uu-border);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--uu-muted);
  animation: uuRise 260ms ease both;
}

.figure {
  margin: 0 0 10px;
  overflow: hidden;
  border-radius: 13px;
  border: 1px solid var(--uu-border2);
  background: var(--uu-imgbg);
}

.figure img {
  width: 100%;
}

/* ─── Feature cards ────────────────────────────────────── */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 6px 0 22px;
  padding: 0;
  list-style: none;
}

.info-card {
  position: relative;
  overflow: hidden;
  height: 100%;
  padding: 16px 16px 14px;
  border-radius: 14px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel);
  transition: transform 260ms ease, border-color 260ms ease;
}

.info-card:hover {
  transform: translateY(-3px);
  border-color: var(--uu-border2);
}

.info-card .rail {
  background: linear-gradient(90deg, var(--c), transparent 75%);
}

.info-kicker {
  margin: 0;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c);
}

.info-title {
  margin: 4px 0 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.info-body {
  margin: 7px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--uu-muted);
}

.arrow-list {
  display: grid;
  gap: 5px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.arrow-list li {
  display: flex;
  gap: 8px;
  font-size: 12.5px;
  line-height: 1.5;
}

.arrow-list li::before {
  content: "→";
  flex: none;
  color: var(--uu-accent2);
}

/* ─── Pipeline stages (tabs) ───────────────────────────── */

.stages {
  margin: 6px 0 22px;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel);
}

.stage-tabs {
  display: flex;
  gap: 6px;
  padding: 10px;
  overflow-x: auto;
  border-bottom: 1px solid var(--uu-border);
  background: rgba(124, 92, 255, 0.05);
}

.stage-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border-radius: 9px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--uu-muted);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 200ms ease;
}

.stage-tab:hover {
  color: var(--uu-text);
}

.stage-tab[aria-selected="true"] {
  border-color: var(--uu-accent);
  background: rgba(124, 92, 255, 0.16);
  color: var(--uu-text);
  box-shadow: 0 6px 20px rgba(124, 92, 255, 0.25);
}

.stage-tab-n {
  font-family: var(--uu-mono);
  font-size: 10.5px;
  opacity: 0.75;
}

.stage-body {
  padding: 18px 20px 20px;
}

.stage-bar {
  height: 3px;
  margin-bottom: 16px;
  overflow: hidden;
  border-radius: 3px;
  background: var(--uu-border);
}

.stage-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--uu-accent), var(--uu-accent2));
  transition: width 320ms var(--uu-ease);
}

.stage-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stage-text {
  margin: 8px 0 12px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--uu-muted);
  text-wrap: pretty;
}

.meta-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.meta-pills li {
  padding: 4px 9px;
  border-radius: 7px;
  border: 1px solid var(--uu-border2);
  font-family: var(--uu-mono);
  font-size: 11px;
}

.stage-nav {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.mini-btn {
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--uu-border2);
  background: transparent;
  color: var(--uu-text);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 180ms ease;
}

.mini-btn:hover {
  border-color: var(--uu-accent);
}

.mini-btn.is-accent {
  border-color: var(--uu-accent);
}

.mini-btn.is-accent:hover {
  background: rgba(124, 92, 255, 0.16);
}

/* ─── Back-of-envelope calculator ──────────────────────── */

.calc {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin: 6px 0 16px;
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid rgba(124, 92, 255, 0.3);
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.1), rgba(66, 214, 255, 0.04));
}

.calc-inputs {
  display: grid;
  gap: 14px;
}

.calc label {
  display: grid;
  gap: 6px;
}

.calc-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 12.5px;
  color: var(--uu-muted);
}

.calc-row output {
  font-family: var(--uu-mono);
  font-weight: 600;
  color: var(--uu-text);
}

.calc input[type="range"] {
  width: 100%;
  accent-color: var(--uu-accent);
}

.calc-out {
  display: grid;
  align-content: center;
  gap: 10px;
}

.calc-stat {
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel2);
}

.calc-stat output {
  display: block;
  font-size: 34px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.calc-stat output.is-accent {
  color: var(--uu-accent2);
}

/* ─── Annotated screenshots ────────────────────────────── */

.anat {
  display: grid;
  gap: 12px;
  margin: 6px 0 24px;
}

.anat figure {
  display: grid;
  gap: 12px;
  margin: 0;
}

.anat-shot {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid var(--uu-border2);
  background: #f4f5f8;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.anat-shot img {
  width: 100%;
}

.pin {
  position: absolute;
  left: var(--x);
  top: var(--y);
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid #fff;
  background: rgba(13, 17, 48, 0.82);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  color: #fff;
  font-family: var(--uu-mono);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition: all 220ms ease;
}

.pin:hover {
  background: rgba(124, 92, 255, 0.85);
}

.pin[aria-pressed="true"] {
  background: var(--uu-accent);
  box-shadow: 0 0 0 6px rgba(124, 92, 255, 0.35), 0 6px 18px rgba(0, 0, 0, 0.4);
  transform: translate(-50%, -50%) scale(1.18);
}

.anat figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 12.5px;
  color: var(--uu-muted2);
}

.fig-num {
  font-family: var(--uu-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--uu-accent2);
}

.pin-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pin-card {
  width: 100%;
  height: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: all 200ms ease;
}

.pin-card:hover {
  border-color: var(--uu-border2);
}

.pin-card[aria-pressed="true"] {
  border-color: rgba(124, 92, 255, 0.6);
  background: rgba(124, 92, 255, 0.1);
}

.pin-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pin-num {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  flex: none;
  border-radius: 50%;
  background: var(--uu-border2);
  color: #fff;
  font-family: var(--uu-mono);
  font-size: 11px;
  font-weight: 700;
}

.pin-card[aria-pressed="true"] .pin-num {
  background: var(--uu-accent);
}

.pin-card-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
}

.pin-card-body {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--uu-muted);
  text-wrap: pretty;
}

/* ─── Watch the episode ────────────────────────────────── */

.episode {
  margin-top: 4px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel);
}

.episode-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.episode-head img,
.initials {
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: 50%;
  object-fit: cover;
}

.initials {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--uu-accent), var(--uu-accent2));
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.episode-title {
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.3;
}

.episode-sub {
  font-size: 12px;
  line-height: 1.3;
  color: var(--uu-muted2);
}

.episode-stage {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 11px;
  border: 1px solid var(--uu-border);
  background: linear-gradient(135deg, #0d1130, #161a3d);
  color: var(--uu-text);
}

.episode-stage:hover {
  color: var(--uu-text);
}

.episode-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transition: opacity 300ms ease, transform 600ms var(--uu-ease);
}

.episode-stage:hover .episode-thumb {
  opacity: 0.7;
  transform: scale(1.03);
}

.episode-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(circle at 50% 50%, rgba(124, 92, 255, 0.22), rgba(6, 8, 22, 0.35) 65%);
}

.play-btn {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--uu-accent);
  background: rgba(6, 8, 22, 0.6);
  font-size: 13.5px;
  font-weight: 600;
  transition: background 200ms ease;
}

.episode-stage:hover .play-btn {
  background: rgba(124, 92, 255, 0.32);
}

.listen {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 11px 0 0;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px solid var(--uu-border);
  font-size: 13px;
  color: var(--uu-muted);
}

.listen-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: none;
  border-radius: 50%;
  background: #1db954;
  color: #06210f;
}

/* ─── Post page: "On this page" aside ──────────────────── */

.post-aside {
  position: sticky;
  top: 86px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.toc {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc .eyebrow-label {
  margin: 0 0 4px;
  letter-spacing: 0.16em;
}

.toc a {
  display: block;
  padding: 7px 11px;
  border-radius: 9px;
  border-left: 2px solid var(--uu-border2);
  color: var(--uu-muted2);
  font-size: 13px;
  line-height: 1.4;
  transition: all 200ms ease;
}

.toc a:hover {
  color: var(--uu-text);
}

.toc a.is-active {
  border-left-color: var(--uu-accent);
  background: rgba(124, 92, 255, 0.12);
  color: var(--uu-text);
}

.tagged {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--uu-border);
  background: var(--uu-panel);
}

.tagged .eyebrow-label {
  margin: 0 0 8px;
  color: var(--uu-accent-text);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 4px 9px;
  border-radius: 7px;
  border: 1px solid var(--uu-border2);
  color: var(--uu-muted);
  font-size: 11.5px;
}

/* ─── Footer ───────────────────────────────────────────── */

.uu-footer {
  border-top: 1px solid var(--uu-border);
  background: var(--uu-panel);
}

.uu-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding-top: 30px;
  padding-bottom: 30px;
}

.uu-footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
}

.uu-footer-brand img {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  object-fit: contain;
}

.uu-footer-note {
  font-size: 12px;
  color: var(--uu-muted2);
}

.uu-footer-links {
  display: flex;
  gap: 16px;
  margin-left: auto;
  font-size: 12.5px;
}

/* ─── Back to top ──────────────────────────────────────── */

.to-top {
  position: fixed;
  right: 24px;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 160;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--uu-panel2);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
  color: var(--uu-text);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px) scale(0.9);
  transition:
    opacity 220ms ease,
    transform 280ms var(--uu-ease),
    box-shadow 220ms ease,
    visibility 0s linear 280ms;
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition:
    opacity 220ms ease,
    transform 280ms var(--uu-ease),
    box-shadow 220ms ease,
    visibility 0s;
}

.to-top:hover {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45), 0 0 24px rgba(124, 92, 255, 0.5);
}

.to-top:focus-visible {
  border-radius: 50%;
}

.to-top-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  fill: none;
  stroke-width: 2;
  transform: rotate(-90deg);
}

.to-top-track {
  stroke: var(--uu-border2);
}

.to-top-progress {
  stroke: url(#to-top-gradient);
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  stroke-linecap: round;
  transition: stroke-dashoffset 90ms linear;
}

.to-top-arrow {
  position: relative;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 220ms var(--uu-ease);
}

.to-top:hover .to-top-arrow {
  transform: translateY(-3px);
}

/* ─── Motion ───────────────────────────────────────────── */

@keyframes uuFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes uuPulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

@keyframes uuRise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes uuSweep {
  from { background-position: 0% 50%; }
  to { background-position: 200% 50%; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── Responsive ───────────────────────────────────────── */

@media (max-width: 960px) {
  .post-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .post-aside {
    position: static;
  }

  .toc {
    display: none;
  }
}

@media (max-width: 640px) {
  :root {
    --uu-gutter: 18px;
  }

  .hero {
    padding-top: 52px;
  }

  .hero-orb {
    right: 0;
  }

  .show-cta {
    padding: 22px;
  }

  .author {
    flex-wrap: wrap;
  }

  .author-ep {
    flex-basis: calc(100% - 52px);
    margin-left: 52px;
  }

  .step {
    gap: 12px;
  }

  .tier-btn {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .tier-path {
    grid-column: 2;
    white-space: normal;
  }

  .uu-footer-links {
    margin-left: 0;
  }

  .to-top {
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 520px) {
  .uu-brand-text {
    display: none;
  }

  .uu-nav a {
    padding: 7px 9px;
  }
}