/* ============================================================
   Nexsora Studio — Linear "midnight precision instrument"
   Dark canvas · hairline borders · single acid-lime accent
   ============================================================ */

:root {
  /* Colors */
  --color-void: #08090a;
  --color-carbon: #0f1011;
  --color-obsidian: #161718;
  --color-graphite: #23252a;
  --color-smoke: #383b3f;
  --color-ash: #62666d;
  --color-fog: #8a8f98;
  --color-mist: #d0d6e0;
  --color-bone: #e5e5e6;
  --color-paper: #ffffff;
  --color-acid-lime: #2f6bed;
  --color-on-accent: #ffffff;
  --color-pulse-green: #27a644;
  --color-coral-red: #eb5757;
  --color-signal-teal: #02b8cc;
  --color-iris-violet: #6366f1;
  --color-lavender: #8b5cf6;

  /* Fonts */
  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout */
  --page-max-width: 1200px;
  --section-gap: 96px;
  --card-padding: 24px;

  /* Radius */
  --radius-sm: 2px;
  --radius-badge: 4px;
  --radius-md: 6px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: rgba(0, 0, 0, 0.4) 0px 2px 4px 0px;
  --shadow-subtle: rgb(35, 37, 42) 0px 0px 0px 1px inset;
  --shadow-xl: rgba(8, 9, 10, 0.6) 0px 4px 32px 0px;
  --surface-soft: rgba(255,255,255,0.04);
  --surface-faint: rgba(255,255,255,0.015);
  --surface-hover: rgba(255,255,255,0.03);
  --surface-hover-weak: rgba(255,255,255,0.02);
  --surface-tag: rgba(255,255,255,0.05);
  --nav-bg: rgba(8, 9, 10, 0.72);
  --nav-bg-solid: rgba(8,9,10,0.96);
  --grid-line: rgba(255,255,255,0.025);
  --glow-accent: rgba(47,107,237,0.14);
  --glow-accent-soft: rgba(47,107,237,0.07);

  --shadow-lime: rgba(0,0,0,0.1) 0px 5px 2px 0px, rgba(0,0,0,0.2) 0px 3px 2px 0px, rgba(0,0,0,0.25) 0px 1px 1px 0px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-feature-settings: "cv01" on, "ss03" on, "zero" on;
  background-color: var(--color-void);
  color: var(--color-mist);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

::selection { background: var(--color-acid-lime); color: var(--color-on-accent); }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--page-max-width);
  margin-inline: auto;
  padding-inline: 24px;
}

section { position: relative; }

.section-pad { padding-block: var(--section-gap); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-fog);
  margin-bottom: 20px;
}

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head h2 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 510;
  line-height: 1.0;
  letter-spacing: -0.022em;
  color: var(--color-paper);
}
.section-head p {
  margin-top: 20px;
  font-size: 17px;
  color: var(--color-fog);
  line-height: 1.6;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease, opacity .18s ease;
}

.btn-primary {
  background: var(--color-acid-lime);
  color: var(--color-on-accent);
  border-radius: var(--radius-md);
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 510;
  letter-spacing: -0.011em;
  box-shadow: var(--shadow-lime);
}
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.05); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-graphite);
  color: var(--color-mist);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 400;
}
.btn-ghost:hover { border-color: var(--color-smoke); background: var(--surface-hover-weak); }

.btn-link {
  color: var(--color-mist);
  font-size: 14px;
  font-weight: 400;
  gap: 6px;
}
.btn-link svg { transition: transform .18s ease; }
.btn-link:hover svg { transform: translateX(3px); }

.btn-pill {
  background: var(--color-paper);
  color: var(--color-void);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 510;
}
.btn-pill:hover { filter: brightness(0.92); }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.nav.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  border-bottom: 1px solid var(--color-graphite);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  transition: height .28s cubic-bezier(.4,0,.2,1);
}
.nav.scrolled .nav-inner { height: 58px; }

.nav-logo {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}
.nav-logo img {
  width: auto;
  transition: height .28s cubic-bezier(.4,0,.2,1), opacity .2s ease, transform .28s cubic-bezier(.4,0,.2,1);
}
.nav-logo .logo-full { height: 36px; }
.nav-logo .logo-mark {
  position: absolute;
  left: 0; top: 50%;
  height: 32px;
  transform: translateY(-50%) scale(.7);
  opacity: 0;
  pointer-events: none;
}
.nav.scrolled .nav-logo .logo-full { height: 30px; opacity: 0; transform: scale(.86); }
.nav.scrolled .nav-logo .logo-mark { opacity: 1; transform: translateY(-50%) scale(1); }
.nav-logo .logo-mark.for-light { display: none; }
[data-theme="light"] .nav-logo .logo-mark.for-dark { display: none; }
[data-theme="light"] .nav-logo .logo-mark.for-light { display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  color: var(--color-mist);
  font-size: 13px;
  font-weight: 400;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  transition: color .15s ease, background .15s ease;
}
.nav-links a:hover { color: var(--color-paper); background: var(--surface-hover); }

.nav-actions { display: flex; align-items: center; gap: 8px; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-md);
  width: 38px; height: 38px;
  cursor: pointer;
  color: var(--color-mist);
  align-items: center; justify-content: center;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: 176px;
  padding-bottom: 104px;
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  top: -180px; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 500px;
  background: radial-gradient(ellipse at center, var(--glow-accent), transparent 60%);
  filter: blur(20px);
  pointer-events: none;
}
.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.72fr);
  align-items: center;
  gap: 64px;
}
.hero-copy { max-width: 760px; }

/* accent underline on the highlighted word */
.hero h1 .accent {
  position: relative;
  white-space: nowrap;
}
.hero h1 .accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -0.1em;
  height: 2px;
  background: linear-gradient(to right, var(--color-acid-lime), transparent);
  opacity: .55;
}

/* right-hand entry panel */
.hero-panel {
  position: relative;
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-lg, 14px);
  background: var(--surface-faint);
  padding: 8px;
  overflow: hidden;
}
.hero-panel-mark {
  position: absolute;
  right: -46px; bottom: -54px;
  width: 230px;
  opacity: .05;
  pointer-events: none;
}
.hero-panel-mark.for-light { display: none; }
[data-theme="light"] .hero-panel-mark.for-dark { display: none; }
[data-theme="light"] .hero-panel-mark.for-light { display: block; }
.hero-entry {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 30px 22px;
  border-radius: 10px;
  transition: background .18s ease;
}
.hero-entry + .hero-entry { box-shadow: 0 -1px 0 0 var(--color-graphite); }
.hero-entry:hover { background: var(--surface-hover); }
.hero-entry-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-paper);
}
.hero-entry-meta {
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--color-ash);
}
.hero-entry svg { flex: none; color: var(--color-acid-lime); transition: transform .18s ease; }
.hero-entry:hover svg { transform: translateX(4px); }

.hero-scroll {
  margin-top: 72px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-ash);
}
.hero-scroll::before {
  content: "";
  width: 44px; height: 1px;
  background: linear-gradient(to right, var(--color-smoke), transparent);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-soft);
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-full);
  padding: 5px 14px 5px 8px;
  font-size: 13px;
  color: var(--color-mist);
  margin-bottom: 28px;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: var(--radius-full);
  background: var(--color-pulse-green);
  box-shadow: 0 0 8px 1px rgba(39,166,68,0.7);
}

.hero h1 {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 510;
  line-height: 1.0;
  letter-spacing: -0.022em;
  color: var(--color-paper);
}
.hero h1 .accent { color: var(--color-acid-lime); }

.hero-sub {
  margin-top: 28px;
  max-width: 560px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-fog);
}
.hero-actions {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-graphite);
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.hero-stat {
  background: var(--color-void);
  padding: 24px;
}
.hero-stat .num {
  font-size: 32px;
  font-weight: 510;
  letter-spacing: -0.022em;
  color: var(--color-paper);
  font-family: var(--font-sans);
}
.hero-stat .label {
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-fog);
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--color-carbon);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-subtle);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: box-shadow .2s ease, transform .2s ease;
}
.service-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 0%), var(--glow-accent-soft), transparent 40%);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.service-card:hover { transform: translateY(-2px); box-shadow: rgb(56,59,63) 0 0 0 1px inset, var(--shadow-sm); }
.service-card:hover::after { opacity: 1; }

.service-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-obsidian);
  border: 1px solid var(--color-graphite);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-acid-lime);
  margin-bottom: 24px;
}
.service-card h3 {
  font-size: 22px;
  font-weight: 510;
  letter-spacing: -0.012em;
  color: var(--color-paper);
  margin-bottom: 12px;
}
.service-card > p {
  font-size: 15px;
  color: var(--color-fog);
  line-height: 1.6;
  margin-bottom: 24px;
}
.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid var(--color-graphite);
  font-size: 14px;
  color: var(--color-mist);
}
.service-list li svg { color: var(--color-pulse-green); flex-shrink: 0; margin-top: 3px; }

/* ---------- Process ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.process-card {
  background: var(--surface-faint);
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-xl);
  padding: 24px;
}
.process-card .step {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-acid-lime);
  margin-bottom: 20px;
  display: block;
}
.process-card h4 {
  font-size: 16px;
  font-weight: 510;
  color: var(--color-paper);
  margin-bottom: 8px;
}
.process-card p { font-size: 14px; color: var(--color-fog); line-height: 1.55; }

/* Process — two tracks */
.proc-tracks { display: flex; flex-direction: column; gap: 40px; }
.proc-track-head { margin-bottom: 20px; }
.proc-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-mist);
  background: var(--surface-soft);
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-full);
  padding: 6px 14px;
}
.proc-grid-2 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Features / Why ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.why-card {
  background: var(--color-carbon);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-subtle);
  padding: 28px;
}
.why-card .why-ic {
  color: var(--color-acid-lime);
  margin-bottom: 18px;
}
.why-card h4 {
  font-size: 17px;
  font-weight: 510;
  color: var(--color-paper);
  margin-bottom: 8px;
}
.why-card p { font-size: 14px; color: var(--color-fog); line-height: 1.6; }

/* ---------- Bot showcase ---------- */
.bot-section { }
.bot-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.bot-copy h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 510;
  line-height: 1.05;
  letter-spacing: -0.022em;
  color: var(--color-paper);
  margin-bottom: 20px;
}
.bot-copy > p { font-size: 16px; color: var(--color-fog); line-height: 1.6; margin-bottom: 28px; }
.bot-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.tag {
  background: var(--surface-tag);
  color: var(--color-mist);
  border-radius: var(--radius-full);
  padding: 5px 12px;
  font-size: 13px;
}

/* Chat mock */
.chat-frame {
  background: var(--color-carbon);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-subtle);
  padding: 20px;
}
.chat-topbar {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-graphite);
  margin-bottom: 18px;
}
.chat-avatar {
  width: 36px; height: 36px; border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-signal-teal), var(--color-iris-violet));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 590; font-size: 15px;
}
.chat-name { font-size: 14px; font-weight: 510; color: var(--color-paper); }
.chat-status { font-size: 12px; color: var(--color-pulse-green); display: flex; align-items: center; gap: 5px; }
.chat-status::before { content:""; width:6px;height:6px;border-radius:50%;background:var(--color-pulse-green); }

.chat-body { display: flex; flex-direction: column; gap: 12px; }
.bubble {
  max-width: 82%;
  font-size: 14px;
  line-height: 1.45;
  padding: 10px 14px;
  border-radius: 14px;
}
.bubble.in {
  align-self: flex-start;
  background: var(--color-obsidian);
  color: var(--color-mist);
  border: 1px solid var(--color-graphite);
  border-bottom-left-radius: 4px;
}
.bubble.out {
  align-self: flex-end;
  background: var(--color-acid-lime);
  color: var(--color-on-accent);
  border-bottom-right-radius: 4px;
  font-weight: 400;
}
.chat-kb { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.chat-kb button {
  flex: 1 1 auto;
  background: var(--color-obsidian);
  border: 1px solid var(--color-graphite);
  color: var(--color-mist);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  font-size: 13px;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.chat-kb button:hover { border-color: var(--color-smoke); background: var(--color-graphite); }

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.price-card {
  background: var(--color-carbon);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-subtle);
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.price-card.featured {
  box-shadow: var(--color-acid-lime) 0 0 0 1px inset;
}
.price-tag-top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
}
.price-card h4 { font-size: 15px; font-weight: 510; color: var(--color-paper); }
.badge-feat {
  background: var(--color-acid-lime);
  color: var(--color-on-accent);
  border-radius: var(--radius-badge);
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 510;
}
.price-card .price {
  font-size: 34px;
  font-weight: 510;
  letter-spacing: -0.022em;
  color: var(--color-paper);
  margin: 12px 0 4px;
}
.price-card .price span { font-size: 14px; color: var(--color-fog); font-weight: 400; }
.price-card .price-desc { font-size: 13px; color: var(--color-fog); margin-bottom: 20px; }
.price-feats { flex: 1; margin-bottom: 24px; }
.price-feats li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 14px; color: var(--color-mist);
  padding: 7px 0;
}
.price-feats li svg { color: var(--color-pulse-green); flex-shrink: 0; margin-top: 3px; }

/* Pricing groups */
.price-group { margin-bottom: 56px; }
.price-group:last-of-type { margin-bottom: 32px; }
.price-group-head { margin-bottom: 24px; }
.pricing-grid.grid-2 { grid-template-columns: repeat(2, 1fr); max-width: 720px; }
.pricing-grid.grid-4 { grid-template-columns: repeat(4, 1fr); }
.price-card.sm { padding: 22px; }
.price-card.sm .price { font-size: 26px; }
.price-card.sm .price-feats li { font-size: 13px; padding: 6px 0; }

/* Delivery row */
.delivery-row {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.delivery-card {
  background: var(--surface-faint);
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-xl);
  padding: 20px 22px;
}
.delivery-card .d-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
  gap: 12px;
}
.d-name { font-size: 15px; font-weight: 510; color: var(--color-paper); }
.d-price { font-family: var(--font-mono); font-size: 13px; color: var(--color-mist); white-space: nowrap; }
.d-price.accent { color: var(--color-acid-lime); }
.delivery-card p { font-size: 13px; color: var(--color-fog); line-height: 1.5; }

.price-note {
  margin-top: 8px;
  font-size: 13px;
  color: var(--color-ash);
  line-height: 1.6;
  max-width: 760px;
}
.price-note a { color: var(--color-fog); text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--color-smoke); }
.price-note a:hover { color: var(--color-mist); }

.cta-hours {
  position: relative;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-ash);
}

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  background: var(--color-carbon);
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
}
.cta-band .hero-glow { top: auto; bottom: -260px; opacity: .8; }
.cta-band h2 {
  position: relative;
  font-size: clamp(30px, 4.5vw, 44px);
  font-weight: 510;
  letter-spacing: -0.022em;
  line-height: 1.05;
  color: var(--color-paper);
  margin-bottom: 16px;
}
.cta-band p {
  position: relative;
  font-size: 17px; color: var(--color-fog);
  max-width: 480px; margin: 0 auto 32px;
}
.cta-actions { position: relative; display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-graphite);
  padding-block: 56px 40px;
  margin-top: var(--section-gap);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand img { height: 24px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--color-fog); line-height: 1.6; max-width: 280px; }
.footer-col h5 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ash);
  margin-bottom: 16px;
  font-weight: 510;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--color-fog);
  padding: 6px 0;
  transition: color .15s;
}
.footer-col a:hover { color: var(--color-paper); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--color-graphite);
  font-size: 13px;
  color: var(--color-ash);
  gap: 16px;
  flex-wrap: wrap;
}
.footer-social { display: flex; gap: 8px; }
.footer-social a {
  width: 34px; height: 34px;
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-fog);
  transition: color .15s, border-color .15s;
}
.footer-social a:hover { color: var(--color-paper); border-color: var(--color-smoke); }

/* ---------- Reveal animation ---------- */
/* Visible by default; only hidden when JS is active (html.js) so the page
   degrades gracefully without JavaScript. */
.reveal { opacity: 1; transform: none; }
html.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
html.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav.mobile-open .nav-links {
    display: flex;
    position: absolute;
    top: 60px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--nav-bg-solid);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-graphite);
    padding: 12px 24px 20px;
  }
  .nav.mobile-open .nav-links a { padding: 12px 0; }

  .services-grid { grid-template-columns: 1fr; }
  .process-grid, .proc-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .bot-layout { grid-template-columns: 1fr; gap: 40px; }
  .pricing-grid, .pricing-grid.grid-2, .pricing-grid.grid-4 { grid-template-columns: repeat(2, 1fr); }
  .delivery-row { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-content { grid-template-columns: 1fr; gap: 44px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 560px) {
  :root { --section-gap: 72px; }
  .container { padding-inline: 18px; }
  .hero { padding-top: 128px; padding-bottom: 72px; }
  .process-grid, .proc-grid-2 { grid-template-columns: 1fr; }
  .pricing-grid, .pricing-grid.grid-2, .pricing-grid.grid-4 { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .cta-band { padding: 44px 24px; }
  .service-card { padding: 24px; }
  .hero-actions .btn { width: 100%; }
  .nav-inner { height: 72px; }
  .nav-logo .logo-full { height: 28px; }
  .hero-scroll { display: none; }
}


/* ---------- Light theme ---------- */
[data-theme="light"] {
  --color-void: #f6f7f9;
  --color-carbon: #ffffff;
  --color-obsidian: #eceff3;
  --color-graphite: #d3d8e0;
  --color-smoke: #a7aeb9;
  --color-ash: #626873;
  --color-fog: #454b55;
  --color-mist: #24282e;
  --color-bone: #14171b;
  --color-paper: #08090a;
  --color-on-accent: #ffffff;

  --surface-soft: rgba(11,12,13,0.04);
  --surface-faint: rgba(11,12,13,0.02);
  --surface-hover: rgba(11,12,13,0.04);
  --surface-hover-weak: rgba(11,12,13,0.03);
  --surface-tag: rgba(11,12,13,0.05);
  --nav-bg: rgba(247,248,250,0.78);
  --nav-bg-solid: rgba(247,248,250,0.97);
  --grid-line: rgba(11,12,13,0.045);
  --glow-accent: rgba(47,107,237,0.10);
  --glow-accent-soft: rgba(47,107,237,0.06);

  --shadow-sm: rgba(11,12,13,0.06) 0px 2px 4px 0px;
  --shadow-subtle: rgb(223, 226, 232) 0px 0px 0px 1px inset;
  --shadow-xl: rgba(11,12,13,0.08) 0px 4px 32px 0px;
}
[data-theme="light"] .nav { border-bottom-color: var(--color-graphite); }
[data-theme="light"] .nav-logo .logo-full,
[data-theme="light"] .footer-brand .logo-full { filter: invert(1) grayscale(1) contrast(1.15); }
[data-theme="light"] .nav-logo .logo-mark { filter: none; }
[data-theme="light"] .theme-toggle {
  background: #0b0c0d;
  color: #ffffff;
  border-color: rgba(11,12,13,0.2);
  box-shadow: rgba(11,12,13,0.18) 0px 6px 20px 0px;
}
[data-theme="light"] .chat-body,
[data-theme="light"] .bubble.in { color: var(--color-mist); }
[data-theme="light"] .bubble.in { background: #eef1f5; }
[data-theme="light"] .rig-title,
[data-theme="light"] .pcv-tag,
[data-theme="light"] .rig-bar-label { color: var(--color-fog); }
[data-theme="light"] .hero-entry-meta,
[data-theme="light"] .hero-scroll,
[data-theme="light"] .price-card .price span,
[data-theme="light"] .cta-hours { color: var(--color-fog); }
[data-theme="light"] .tag { color: var(--color-mist); border-color: var(--color-graphite); }
[data-theme="light"] .footer a,
[data-theme="light"] .nav-links a { color: var(--color-fog); }
[data-theme="light"] .nav-links a:hover,
[data-theme="light"] .footer a:hover { color: var(--color-paper); }

/* ---------- Theme toggle ---------- */
.theme-toggle {
  position: fixed;
  right: 20px; bottom: 20px;
  z-index: 200;
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  background: #ffffff;
  color: #0b0c0d;
  border: 1px solid rgba(11,12,13,0.12);
  box-shadow: rgba(0,0,0,0.28) 0px 6px 20px 0px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.theme-toggle:hover { transform: translateY(-2px); box-shadow: rgba(0,0,0,0.34) 0px 10px 26px 0px; }
.theme-toggle svg { display: block; }


/* ---------- PC configurator showcase ---------- */
.pc-layout { align-items: center; }
.rig-frame {
  background: var(--color-carbon);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-subtle), var(--shadow-xl);
  padding: 20px;
}
.rig-topbar {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-graphite);
  margin-bottom: 16px;
}
.rig-dot {
  width: 8px; height: 8px; border-radius: var(--radius-full);
  background: var(--color-pulse-green);
  box-shadow: 0 0 8px 1px rgba(39,166,68,.7);
}
.rig-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--color-ash);
}
.rig-bars {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--color-graphite);
  display: flex; flex-direction: column; gap: 12px;
}
.rig-bar-label {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-ash);
  margin-bottom: 6px;
}
.rig-bar-track {
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--surface-tag);
  overflow: hidden;
}
.rig-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-acid-lime);
  width: 0;
  transition: width .6s cubic-bezier(.4,0,.2,1);
}
@media (max-width: 980px) {
  .pc-layout { grid-template-columns: 1fr; }
  .pc-layout .rig-frame { order: 2; }
  .pc-layout .bot-copy { order: 1; }
}


/* ---------- Animated PC interior ---------- */
.pcv {
  position: relative;
  box-sizing: border-box;
  max-width: 100%;
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-md);
  background: var(--color-obsidian);
  padding: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 10px;
  overflow: hidden;
}
.pcv-board {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}
.pcv > div:not(.pcv-board) {
  position: relative;
  min-width: 0;
  border: 1px solid var(--color-graphite);
  border-radius: 8px;
  background: var(--color-carbon);
}
.pcv-tag {
  position: absolute;
  left: 8px; bottom: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-ash);
}

/* CPU */
.pcv-cpu {
  display: grid; place-items: center;
  aspect-ratio: 1.9 / 1;
}
.pcv-die {
  display: grid; place-items: center;
  color: var(--color-smoke);
  height: 62%; aspect-ratio: 1/1; width: auto;
  border-radius: 6px;
  background: var(--surface-tag);
  border: 1px solid var(--color-smoke);
  animation: pcvPulse 2.4s ease-in-out infinite;
}
.pcv-die svg { width: 74%; height: 74%; }
.pcv-stick svg { width: 100%; height: 100%; color: var(--color-ash); }
@keyframes pcvPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--glow-accent-soft); border-color: var(--color-smoke); }
  50% { box-shadow: 0 0 24px 6px var(--glow-accent); border-color: var(--color-acid-lime); }
}

/* RAM */
.pcv-ram {
  display: flex; align-items: stretch; justify-content: center; gap: 10px;
  min-width: 0;
  aspect-ratio: 1.9 / 1;
  padding: 12px 14px 24px;
}
.pcv-stick {
  flex: 0 1 26px;
  max-width: 26px;
  height: 100%;
  min-height: 0;
  display: grid;
  place-items: stretch;
  padding: 3px 2px;
  border-radius: 4px;
  background: var(--surface-tag);
  border: 1px solid var(--color-graphite);
  animation: pcvBlink 1.8s ease-in-out infinite;
}
.pcv-stick:nth-child(2) { animation-delay: .22s; }
.pcv-stick:nth-child(3) { animation-delay: .44s; }
.pcv-stick:nth-child(4) { animation-delay: .66s; }
@keyframes pcvBlink {
  0%, 100% { background: var(--surface-tag); }
  50% { background: var(--glow-accent); border-color: var(--color-acid-lime); }
}

/* GPU */
.pcv-gpu {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 20px;
  padding: 14px 18px 26px;
}
.pcv-gpu-body {
  flex: 1;
  height: 10px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--surface-tag), var(--glow-accent), var(--surface-tag));
  background-size: 220% 100%;
  animation: pcvFlow 3s linear infinite;
}
@keyframes pcvFlow { from { background-position: 200% 0; } to { background-position: 0 0; } }
.pcv-fan {
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-graphite);
  background: var(--color-obsidian);
  display: grid; place-items: center;
  flex: none;
}
.pcv-fan span {
  width: 34px; height: 34px;
  border-radius: var(--radius-full);
  background:
    conic-gradient(from 0deg,
      transparent 0deg 26deg, var(--color-smoke) 26deg 46deg,
      transparent 46deg 146deg, var(--color-smoke) 146deg 166deg,
      transparent 166deg 266deg, var(--color-smoke) 266deg 286deg,
      transparent 286deg 360deg);
  mask: radial-gradient(circle, transparent 16%, #000 18%);
  -webkit-mask: radial-gradient(circle, transparent 16%, #000 18%);
  animation: pcvSpin 2.6s linear infinite;
}
.pcv-fan:nth-of-type(2) span { animation-duration: 3.4s; }
@keyframes pcvSpin { to { transform: rotate(360deg); } }

/* SSD */
.pcv-ssd {
  grid-column: 1 / -1;
  padding: 12px 16px 24px;
  overflow: hidden;
}
.pcv-io {
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--surface-tag);
  position: relative;
  overflow: hidden;
}
.pcv-io::after {
  content: "";
  position: absolute; inset: 0;
  width: 34%;
  border-radius: var(--radius-full);
  background: var(--color-acid-lime);
  opacity: .75;
  animation: pcvIo 2.2s cubic-bezier(.45,0,.55,1) infinite;
}
@keyframes pcvIo {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(300%); }
}

/* live load bars */
.rig-bars .rig-bar-fill.anim { width: 0; }
.rig-bar-fill.a1 { animation: pcvLoadA 5.5s ease-in-out infinite; }
.rig-bar-fill.a2 { animation: pcvLoadB 7s ease-in-out infinite; }
.rig-bar-fill.a3 { animation: pcvLoadC 9s ease-in-out infinite; }
@keyframes pcvLoadA { 0%,100% { width: 34%; } 30% { width: 71%; } 62% { width: 48%; } }
@keyframes pcvLoadB { 0%,100% { width: 56%; } 40% { width: 88%; } 74% { width: 62%; } }
@keyframes pcvLoadC { 0%,100% { width: 41%; } 50% { width: 58%; } }

@media (prefers-reduced-motion: reduce) {
  .pcv-die, .pcv-stick, .pcv-gpu-body, .pcv-fan span, .pcv-io::after,
  .rig-bar-fill.anim { animation: none; }
  .rig-bar-fill.a1 { width: 52%; }
  .rig-bar-fill.a2 { width: 70%; }
  .rig-bar-fill.a3 { width: 45%; }
}
@media (max-width: 520px) {
  .pcv { grid-template-columns: 1fr 1fr; }
  .pcv-fan { width: 42px; height: 42px; }
  .pcv-fan span { width: 32px; height: 32px; }
}


/* ---------- Chat mock animation ---------- */
.chat-status::before { animation: chatDot 1.8s ease-in-out infinite; }
@keyframes chatDot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(39,166,68,.5); }
  50% { opacity: .75; box-shadow: 0 0 0 4px rgba(39,166,68,0); }
}

.chat-frame .bubble,
.chat-frame .chat-kb { opacity: 0; }
.chat-frame.play .bubble { animation: bubbleIn .42s cubic-bezier(.2,.7,.3,1) both; }
.chat-frame.play .bubble.in { animation-name: bubbleInL; }
.chat-frame.play .bubble.out { animation-name: bubbleInR; }
.chat-frame.play .bubble:nth-child(1) { animation-delay: .15s; }
.chat-frame.play .bubble:nth-child(2) { animation-delay: .95s; }
.chat-frame.play .bubble:nth-child(3) { animation-delay: 1.7s; }
.chat-frame.play .bubble:nth-child(4) { animation-delay: 2.5s; }
.chat-frame.play .chat-kb { animation: bubbleInL .42s cubic-bezier(.2,.7,.3,1) 5.4s both; }
@keyframes bubbleInL {
  from { opacity: 0; transform: translateY(10px) translateX(-6px) scale(.97); }
  to { opacity: 1; transform: none; }
}
@keyframes bubbleInR {
  from { opacity: 0; transform: translateY(10px) translateX(6px) scale(.97); }
  to { opacity: 1; transform: none; }
}

.bubble.typing {
  display: flex; align-items: center; gap: 5px;
  padding: 14px 16px;
}
.bubble.typing span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-ash);
  animation: typingBounce 1.1s ease-in-out infinite;
}
.bubble.typing span:nth-child(2) { animation-delay: .16s; }
.bubble.typing span:nth-child(3) { animation-delay: .32s; }
@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: .5; }
  30% { transform: translateY(-4px); opacity: 1; }
}
.chat-frame.play .bubble.typing {
  animation: typingCycle 5.4s cubic-bezier(.2,.7,.3,1) 3.3s both;
}
@keyframes typingCycle {
  0% { opacity: 0; transform: translateY(10px) scale(.97); }
  12% { opacity: 1; transform: none; }
  26% { opacity: 1; transform: none; height: 38px; margin: 0; padding: 14px 16px; }
  34% { opacity: 0; height: 0; padding-block: 0; margin-top: -12px; }
  100% { opacity: 0; height: 0; padding-block: 0; margin-top: -12px; }
}
.chat-frame.play .bubble.b5 { animation: bubbleInL .42s cubic-bezier(.2,.7,.3,1) 4.9s both; }

@media (prefers-reduced-motion: reduce) {
  .chat-frame .bubble, .chat-frame .chat-kb { opacity: 1; }
  .chat-frame.play .bubble, .chat-frame.play .chat-kb,
  .chat-frame.play .bubble.typing, .chat-status::before { animation: none; }
  .bubble.typing { display: none; }
}


/* ---------- CTA button animation ---------- */
.cta-actions .btn {
  position: relative;
  overflow: hidden;
  transition: transform .22s cubic-bezier(.2,.7,.3,1), box-shadow .22s ease, border-color .22s ease;
}
.cta-actions .btn::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: -40%;
  width: 35%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-18deg);
  opacity: 0;
  pointer-events: none;
}
.cta-actions .btn:hover::after { animation: ctaShine .75s ease; }
@keyframes ctaShine {
  0% { left: -40%; opacity: 0; }
  15% { opacity: 1; }
  100% { left: 115%; opacity: 0; }
}
.cta-actions .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px -8px var(--glow-accent);
}
.cta-actions .btn:active { transform: translateY(0); }
.cta-actions .btn.btn-primary:hover { box-shadow: 0 12px 30px -8px rgba(47,107,237,.55); }
.cta-actions .btn svg { transition: transform .22s cubic-bezier(.2,.7,.3,1); }
.cta-actions .btn:hover svg { transform: translateX(3px) rotate(-6deg); }

@media (prefers-reduced-motion: reduce) {
  .cta-actions .btn, .cta-actions .btn svg { transition: none; }
  .cta-actions .btn:hover { transform: none; }
  .cta-actions .btn:hover::after { animation: none; }
}

.cta-actions .btn.cta-order {
  border-color: var(--color-acid-lime);
  color: var(--color-acid-lime);
  background: var(--glow-accent-soft);
}
.cta-actions .btn.cta-order:hover {
  background: var(--color-acid-lime);
  color: var(--color-on-accent);
  border-color: var(--color-acid-lime);
}

/* footer logo */
.footer-brand .logo-full { height: 60px; width: auto; }
.footer-brand .logo-mark { display: none; }

/* order button: centered and larger */
.cta-actions { align-items: center; }
.cta-actions .btn.cta-order {
  order: 0;
  font-size: 15px;
  padding: 14px 30px;
  font-weight: 500;
}
.cta-actions .cta-order { order: 1; }

/* Telegram button on its own line under the order button */
.cta-actions { flex-wrap: wrap; justify-content: center; }
.cta-actions::after {
  content: "";
  order: 2;
  flex: 0 0 100%;
  height: 0;
}
.cta-actions a:not(.cta-order) {
  order: 3;
  flex: 0 0 auto;
  width: auto;
  margin-inline: auto;
  justify-content: center;
  font-size: 13px;
  padding: 9px 14px;
  gap: 6px;
}

/* Telegram CTA: outline, no blue fill */
.cta-actions a[href*="t.me"]:not(.cta-order),
.cta-actions a[href*="t.me"]:not(.cta-order).btn-primary {
  background: transparent;
  color: var(--color-paper);
  border: 1px solid var(--color-graphite);
  box-shadow: none;
}
.cta-actions a[href*="t.me"]:not(.cta-order):hover {
  background: var(--surface-hover);
  border-color: var(--color-smoke);
  box-shadow: none;
}


/* ---------- 3D computer (hero) ---------- */
.hero-panel { border: 0; background: transparent; padding: 0; }
.pc3d {
  --case: #eff1f4;
  --case-2: #dde1e7;
  --edge: rgba(11,12,13,.14);
  --inner: #f8f9fb;
  --part: #ccd2db;
  --part-2: #b9c1cc;
  --blade: #9aa3b0;
  --glass-a: rgba(11,12,13,.07);
  --glass-b: rgba(11,12,13,.015);
  --accent: var(--color-acid-lime);
  display: grid;
  place-items: center;
  min-height: 420px;
  perspective: 1400px;
}
[data-theme="light"] .pc3d {
  --case: #16181c;
  --case-2: #0d0f12;
  --edge: rgba(255,255,255,.12);
  --inner: #0a0c0e;
  --part: #232830;
  --part-2: #2e343d;
  --blade: #59626e;
  --glass-a: rgba(255,255,255,.10);
  --glass-b: rgba(255,255,255,.02);
}
.pc3d-stage {
  position: relative;
  transform-style: preserve-3d;
  animation: pc3dFloat 7s ease-in-out infinite;
}
@keyframes pc3dFloat {
  0%, 100% { transform: translateY(-6px); }
  50% { transform: translateY(6px); }
}
.pc3d-case {
  position: relative;
  width: 150px; height: 300px;
  transform-style: preserve-3d;
  transform: rotateX(-8deg) rotateY(-32deg);
  animation: pc3dTurn 18s ease-in-out infinite;
}
@keyframes pc3dTurn {
  0%, 100% { transform: rotateX(-8deg) rotateY(-36deg); }
  50% { transform: rotateX(-10deg) rotateY(-18deg); }
}
.pc3d-face {
  position: absolute;
  background: var(--case);
  border: 1px solid var(--edge);
  box-sizing: border-box;
}
.f-front, .f-back {
  width: 150px; height: 300px;
  border-radius: 4px;
}
.f-front { transform: translateZ(170px); }
.f-back { transform: rotateY(180deg) translateZ(170px); background: var(--case-2); }
.f-far, .f-glass {
  width: 340px; height: 300px;
  left: -95px;
}
.f-far { transform: rotateY(90deg) translateZ(-75px); background: var(--inner); transform-style: preserve-3d; }
.f-glass {
  transform: rotateY(90deg) translateZ(75px);
  background: linear-gradient(115deg, var(--glass-a), var(--glass-b) 45%, var(--glass-a));
  border-color: var(--edge);
  backdrop-filter: blur(.5px);
}
.f-top, .f-bottom {
  width: 150px; height: 340px;
  top: -20px;
}
.f-top { transform: rotateX(90deg) translateZ(150px); background: var(--case-2); }
.f-bottom { transform: rotateX(-90deg) translateZ(150px); background: var(--case-2); }

/* front panel detail */
.pc3d-mesh {
  position: absolute; inset: 14px 14px 46px;
  border-radius: 3px;
  background-image: radial-gradient(var(--edge) 1px, transparent 1.4px);
  background-size: 9px 9px;
  opacity: .9;
}
.pc3d-led {
  position: absolute;
  left: 50%; bottom: 20px;
  width: 30px; height: 3px;
  margin-left: -15px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 14px 2px var(--glow-accent);
  animation: pc3dLed 3.2s ease-in-out infinite;
}
@keyframes pc3dLed { 0%,100% { opacity: .55; } 50% { opacity: 1; } }

/* inner hardware on the far panel */
.pc3d-mb { position: absolute; inset: 26px 30px; }
.pc3d-cpu {
  position: absolute; left: 34%; top: 12%;
  width: 46px; height: 46px;
  border-radius: 4px;
  background: var(--part);
  border: 1px solid var(--edge);
  animation: pc3dPulse 2.6s ease-in-out infinite;
}
@keyframes pc3dPulse {
  0%,100% { box-shadow: 0 0 0 0 transparent; }
  50% { box-shadow: 0 0 20px 4px var(--glow-accent); }
}
.pc3d-ram {
  position: absolute; right: 12%; top: 8%;
  display: flex; gap: 5px;
}
.pc3d-ram i {
  width: 7px; height: 62px;
  border-radius: 2px;
  background: var(--part);
  animation: pc3dBlink 2s ease-in-out infinite;
}
.pc3d-ram i:nth-child(2) { animation-delay: .2s; }
.pc3d-ram i:nth-child(3) { animation-delay: .4s; }
.pc3d-ram i:nth-child(4) { animation-delay: .6s; }
@keyframes pc3dBlink { 0%,100% { background: var(--part); } 50% { background: var(--accent); } }
.pc3d-gpu {
  position: absolute; left: 8%; right: 10%; top: 52%;
  height: 40px;
  border-radius: 4px;
  background: var(--part);
  border: 1px solid var(--edge);
  display: flex; align-items: center; justify-content: space-around;
}
.pc3d-fan {
  width: 28px; height: 28px;
  border-radius: 50%;
  background:
    conic-gradient(from 0deg,
      transparent 0 26deg, var(--blade) 26deg 46deg,
      transparent 46deg 146deg, var(--blade) 146deg 166deg,
      transparent 166deg 266deg, var(--blade) 266deg 286deg,
      transparent 286deg 360deg);
  mask: radial-gradient(circle, transparent 18%, #000 20%);
  -webkit-mask: radial-gradient(circle, transparent 18%, #000 20%);
  animation: pcvSpin 2.4s linear infinite;
}
.pc3d-fan:nth-child(2) { animation-duration: 3.2s; }

.pc3d-shadow {
  position: absolute;
  left: 50%; bottom: -46px;
  width: 260px; height: 34px;
  margin-left: -130px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(0,0,0,.45), transparent 70%);
  filter: blur(8px);
  transform: translateZ(-40px);
}
[data-theme="light"] .pc3d-shadow {
  background: radial-gradient(ellipse at center, rgba(11,12,13,.22), transparent 70%);
}

@media (max-width: 980px) {
  .pc3d { min-height: 360px; }
  .pc3d-case { transform: scale(.85) rotateX(-8deg) rotateY(-32deg); }
}
@media (prefers-reduced-motion: reduce) {
  .pc3d-stage, .pc3d-case, .pc3d-led, .pc3d-cpu, .pc3d-ram i, .pc3d-fan { animation: none; }
}

/* extra hardware inside the case */
.pc3d-board {
  position: absolute; left: 4%; right: 4%; top: 2%; bottom: 34%;
  border-radius: 4px;
  background: var(--part-2);
  opacity: .38;
  background-image:
    linear-gradient(to right, var(--edge) 1px, transparent 1px),
    linear-gradient(to bottom, var(--edge) 1px, transparent 1px);
  background-size: 14px 14px;
}
.pc3d-cooler {
  position: absolute; left: 30%; top: 8%;
  width: 62px; height: 62px;
  border-radius: 5px;
  background: var(--part-2);
  border: 1px solid var(--edge);
  display: grid; place-items: center;
}
.pc3d-fan-lg { width: 44px; height: 44px; animation-duration: 3s; }
.pc3d-cpu {
  left: 33%; top: 9%;
  width: 56px; height: 56px;
  opacity: .001;
}
.pc3d-psu {
  position: absolute; left: 6%; right: 6%; bottom: 3%;
  height: 46px;
  border-radius: 4px;
  background: var(--part-2);
  border: 1px solid var(--edge);
  display: grid; place-items: center;
}
.pc3d-psu em {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--edge);
  background: var(--part);
}
.pc3d-ssd {
  position: absolute; right: 8%; bottom: 22%;
  width: 54px; height: 16px;
  border-radius: 3px;
  background: var(--part);
  border: 1px solid var(--edge);
}
.pc3d-cables {
  position: absolute; left: 6%; right: 6%; bottom: 16%;
  height: 26px;
  border-radius: 3px;
  background: repeating-linear-gradient(90deg, var(--part) 0 4px, transparent 4px 9px);
  opacity: .5;
}

/* extruded 3D components */
.pc3d-mb { transform-style: preserve-3d; }
.pc3d-cooler, .pc3d-gpu, .pc3d-psu, .pc3d-ssd, .pc3d-ram, .pc3d-ram i {
  transform-style: preserve-3d;
}
.bx {
  position: absolute;
  background: var(--part-2);
  border: 1px solid var(--edge);
  box-sizing: border-box;
}
.bx-front { display: grid; place-items: center; }

/* cooler: 62 x 62, depth 46 */
.pc3d-cooler { background: none; border: 0; }
.pc3d-cooler .bx-front { inset: 0; transform: translateZ(46px); border-radius: 5px; }
.pc3d-cooler .bx-left { width: 46px; height: 62px; left: -23px; top: 0; transform: rotateY(90deg) translateZ(-31px) rotateY(180deg); }
.pc3d-cooler .bx-right { width: 46px; height: 62px; left: 39px; top: 0; transform: rotateY(90deg) translateZ(31px); }
.pc3d-cooler .bx-top { width: 62px; height: 46px; left: 0; top: -23px; transform: rotateX(90deg) translateZ(23px); }
.pc3d-cooler .bx-bottom { width: 62px; height: 46px; left: 0; top: 39px; transform: rotateX(90deg) translateZ(-23px); }
.pc3d-cooler .bx-left, .pc3d-cooler .bx-right,
.pc3d-cooler .bx-top, .pc3d-cooler .bx-bottom {
  background: repeating-linear-gradient(180deg, var(--part) 0 3px, var(--part-2) 3px 6px);
}
.pc3d-cooler .pc3d-fan-lg { display: block; }

/* GPU: depth 20 */
.pc3d-gpu { background: none; border: 0; display: block; }
.pc3d-gpu .bx-front {
  inset: 0; transform: translateZ(20px); border-radius: 4px;
  display: flex; align-items: center; justify-content: space-around;
}
.pc3d-gpu .bx-top { left: 0; right: 0; height: 20px; top: -10px; transform: rotateX(90deg) translateZ(10px); }
.pc3d-gpu .bx-bottom { left: 0; right: 0; height: 20px; bottom: -10px; transform: rotateX(90deg) translateZ(-10px); }
.pc3d-gpu .bx-left { width: 20px; height: 40px; left: -10px; top: 0; transform: rotateY(90deg) translateZ(-10px) rotateY(180deg); }
.pc3d-gpu .bx-right { width: 20px; height: 40px; right: -10px; top: 0; transform: rotateY(90deg) translateZ(10px); }

/* PSU: depth 34 */
.pc3d-psu { background: none; border: 0; display: block; }
.pc3d-psu .bx-front { inset: 0; transform: translateZ(34px); border-radius: 4px; }
.pc3d-psu .bx-top { left: 0; right: 0; height: 34px; top: -17px; transform: rotateX(90deg) translateZ(17px); }
.pc3d-psu .bx-left { width: 34px; height: 46px; left: -17px; top: 0; transform: rotateY(90deg) translateZ(-17px) rotateY(180deg); }
.pc3d-psu .bx-right { width: 34px; height: 46px; right: -17px; top: 0; transform: rotateY(90deg) translateZ(17px); }

/* SSD: depth 12 */
.pc3d-ssd { background: none; border: 0; }
.pc3d-ssd .bx-front { inset: 0; transform: translateZ(12px); border-radius: 3px; }
.pc3d-ssd .bx-top { left: 0; right: 0; height: 12px; top: -6px; transform: rotateX(90deg) translateZ(6px); }
.pc3d-ssd .bx-left { width: 12px; height: 16px; left: -6px; top: 0; transform: rotateY(90deg) translateZ(-6px) rotateY(180deg); }

/* RAM sticks get thickness */
.pc3d-ram i { position: relative; transform: translateZ(26px); }
.pc3d-ram i::before {
  content: "";
  position: absolute;
  width: 26px; height: 62px;
  left: -13px; top: 0;
  background: var(--part-2);
  border: 1px solid var(--edge);
  box-sizing: border-box;
  transform: rotateY(90deg) translateZ(9px);
}