/* =====================================================================
   me.zoldyck.de — "Living Homelab" rework
   Sage palette (kept) + warm terracotta/amber "signal" accent.
   Light + dark themes via [data-theme]. JetBrains Mono + Inter.
   ===================================================================== */

/* ---- Fonts: loaded via <link> in index.html (preconnect, parallel) -- */

/* ---- Tokens --------------------------------------------------------- */
:root {
  /* sage — kept exactly from the original tailwind config */
  --sage-100: #eeefe0;
  --sage-200: #d1d8be;
  --sage-300: #a7c1a8;
  --sage-400: #819a91;
  --ink: #1f2a24;

  /* warm signal — oklch-tuned, shares chroma family, varies hue */
  --signal:      oklch(0.63 0.13 42);   /* terracotta  ~#c2683f */
  --signal-soft: oklch(0.76 0.11 66);   /* amber       ~#e0a36b */
  --signal-deep: oklch(0.54 0.12 40);   /* deep brick  ~#a4502f */

  --font-sans: 'Hanken Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-display: 'Bricolage Grotesque', 'Hanken Grotesk', ui-sans-serif, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.33, 1, 0.68, 1);

  --maxw: 1180px;
}

/* Light theme (default) */
:root,
[data-theme="light"] {
  --bg:          var(--sage-100);
  --bg-tint:     #f4f4ea;
  --surface:     rgba(238, 239, 224, 0.55);
  --surface-2:   rgba(209, 216, 190, 0.45);
  --fg:          var(--ink);
  --fg-soft:     rgba(31, 42, 36, 0.82);
  --fg-mute:     rgba(31, 42, 36, 0.55);
  --line:        rgba(129, 154, 145, 0.30);
  --line-strong: rgba(129, 154, 145, 0.55);
  --deco:        var(--sage-400);
  --deco-soft:   var(--sage-300);
  --rack-metal:  #e7e8da;
  --rack-rail:   #cdd4ba;
  --grid-line:   rgba(129, 154, 145, 0.16);
  --glow:        rgba(167, 193, 168, 0.45);
  color-scheme: light;
}

/* Dark theme — sage on green-tinted near-black */
[data-theme="dark"] {
  --bg:          #0e1310;
  --bg-tint:     #121813;
  --surface:     rgba(129, 154, 145, 0.07);
  --surface-2:   rgba(129, 154, 145, 0.12);
  --fg:          #eef1e6;
  --fg-soft:     rgba(238, 241, 230, 0.80);
  --fg-mute:     rgba(238, 241, 230, 0.52);
  --line:        rgba(167, 193, 168, 0.16);
  --line-strong: rgba(167, 193, 168, 0.32);
  --deco:        var(--sage-300);
  --deco-soft:   var(--sage-400);
  --rack-metal:  #161d18;
  --rack-rail:   #1f2a24;
  --grid-line:   rgba(167, 193, 168, 0.10);
  --glow:        rgba(129, 154, 145, 0.30);
  color-scheme: dark;
}

/* ---- Reset ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
::selection { background: var(--signal-soft); color: var(--ink); }

/* page ambient backdrop */
.page-ambient {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(58% 48% at 18% 8%, var(--glow) 0%, transparent 60%),
    radial-gradient(48% 42% at 88% 14%, color-mix(in srgb, var(--sage-400) 22%, transparent) 0%, transparent 55%),
    radial-gradient(60% 50% at 50% 100%, color-mix(in srgb, var(--sage-300) 30%, transparent) 0%, transparent 55%);
  transition: opacity 0.6s var(--ease-soft);
}
.page-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: radial-gradient(var(--grid-line) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
  opacity: 0.8;
}
.grain {
  position: fixed; inset: 0; z-index: 60; pointer-events: none; opacity: 0.05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
[data-theme="dark"] .grain { mix-blend-mode: screen; opacity: 0.04; }

/* ---- Shared type helpers ------------------------------------------- */
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--deco);
  display: inline-flex; align-items: center; gap: 0.6em;
}
.kicker::before { content: "◇"; color: var(--signal); font-size: 0.9em; }
.mono { font-family: var(--font-mono); }
.bracket { font-family: var(--font-mono); color: var(--deco); }
.bracket::before { content: "[\00a0"; }
.bracket::after  { content: "\00a0]"; }
.sig { color: var(--signal); }

.section-head { max-width: 640px; }
.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  font-size: clamp(2.25rem, 6vw, 4rem);
  margin-top: 0.6rem;
}
.section-title .dot { color: var(--signal); }
.section-blurb {
  margin-top: 1.1rem;
  color: var(--fg-soft);
  font-size: clamp(1rem, 1.3vw, 1.12rem);
  max-width: 46ch;
  text-wrap: pretty;
}

.shell { max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 2.5rem); }
section { position: relative; }

/* ====================================================================
   HEADER
   ==================================================================== */
.site-header {
  position: fixed; inset-inline: 0; top: 0; z-index: 40;
  transition: transform 0.4s var(--ease-expo);
}
.header-inner {
  max-width: var(--maxw); margin-inline: auto;
  padding: 0.9rem clamp(1.25rem, 4vw, 2.5rem);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.header-backdrop {
  position: fixed; inset-inline: 0; top: 0; height: 64px; z-index: 39;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  opacity: 0; transition: opacity 0.3s ease;
  pointer-events: none;
}
.header-scrolled .header-backdrop { opacity: 1; border-bottom-color: var(--line); }

.brand { display: inline-flex; align-items: center; gap: 0.55rem; font-family: var(--font-mono); font-size: 13px; letter-spacing: -0.01em; }
.brand .led {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--signal) 60%, transparent);
  animation: brandpulse 2.6s var(--ease-soft) infinite;
}
@keyframes brandpulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--signal) 55%, transparent); }
  50%      { box-shadow: 0 0 0 6px color-mix(in srgb, var(--signal) 0%, transparent); }
}
.brand b { font-weight: 600; }

.nav { display: flex; align-items: center; gap: 0.25rem; font-family: var(--font-mono); font-size: 13px; }
.nav a {
  padding: 0.4rem 0.7rem; border-radius: 999px; color: var(--fg-soft);
  transition: background 0.2s ease, color 0.2s ease;
}
.nav a:hover { background: var(--surface-2); color: var(--fg); }
.nav .hide-sm { display: none; }

.ctrl {
  display: inline-flex; align-items: center; justify-content: center;
  height: 34px; min-width: 34px; padding-inline: 0.55rem;
  border-radius: 999px; border: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--fg-soft);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.ctrl:hover { background: var(--surface-2); color: var(--fg); border-color: var(--line-strong); }
.ctrl svg { width: 16px; height: 16px; }

/* physical day/night-ops switch */
.theme-switch { width: 48px; height: 26px; padding: 0; border-radius: 999px; border: 1px solid var(--line); background: var(--surface-2); position: relative; transition: background 0.4s var(--ease-soft), border-color 0.4s; flex: none; }
.theme-switch:hover { border-color: var(--line-strong); }
.theme-switch:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
.theme-switch .sw-track { position: absolute; inset: 0; border-radius: 999px; overflow: hidden; }
.theme-switch .sw-knob { position: absolute; top: 2px; left: 2px; width: 20px; height: 20px; border-radius: 50%; background: var(--sage-400); box-shadow: 0 1px 5px rgba(31,42,36,0.45), inset 0 1px 0 rgba(255,255,255,0.3); transition: transform 0.45s var(--ease-expo), background 0.45s var(--ease-soft); }
[data-theme="dark"] .theme-switch { background: color-mix(in srgb, var(--signal) 20%, var(--surface-2)); border-color: color-mix(in srgb, var(--signal) 40%, var(--line)); }
[data-theme="dark"] .theme-switch .sw-knob { transform: translateX(22px); background: var(--signal-soft); }
.theme-toggle .moon { display: none; }
[data-theme="dark"] .theme-toggle .sun { display: none; }
[data-theme="dark"] .theme-toggle .moon { display: block; }

@media (min-width: 720px) {
  .nav .hide-sm { display: inline-block; }
}

/* ====================================================================
   HERO
   ==================================================================== */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 7rem 0 4rem; overflow: hidden; text-align: center;
}
.hero-constellation { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-inner { position: relative; z-index: 2; width: 100%; }

.hero-eyebrow {
  font-family: var(--font-mono); font-size: clamp(11px, 1.1vw, 12px);
  text-transform: uppercase; letter-spacing: 0.4em; color: var(--deco);
  display: flex; align-items: center; justify-content: center; gap: 0.9rem;
  margin-bottom: clamp(1.4rem, 3vw, 2rem);
}
.hero-eyebrow .rule { display: block; height: 1px; width: clamp(2.5rem, 6vw, 4.5rem); background: var(--deco); }
.hero-eyebrow .handle { color: var(--signal); }

.wordmark {
  font-family: var(--font-display); font-weight: 800; letter-spacing: -0.05em;
  line-height: 0.82; color: var(--fg);
  font-size: clamp(4rem, 17vw, 13rem);
  user-select: none;
  display: flex; justify-content: center; flex-wrap: wrap;
}
.wordmark .ltr { display: inline-block; will-change: transform, opacity; }

.hero-sub {
  margin: clamp(2rem, 4vw, 3rem) auto 0; max-width: 40ch;
  font-family: var(--font-mono); font-size: clamp(0.95rem, 1.4vw, 1.1rem);
  color: var(--fg-soft); line-height: 1.7; min-height: 3.4em;
}
/* reserve the typewriter's full height on narrow screens so the meta
   row doesn't jump down while the text types in */
@media (max-width: 560px) { .hero-sub { min-height: 6.9em; } }
.hero-sub .caret {
  display: inline-block; width: 0.55ch; height: 1.05em; margin-left: 2px;
  background: var(--signal); vertical-align: -0.16em;
  animation: caret 1s steps(2) infinite;
}
@keyframes caret { 50% { opacity: 0.15; } }

.hero-meta {
  margin-top: clamp(2rem, 4vw, 2.8rem);
  display: flex; gap: 1.4rem; justify-content: center; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-mute);
}
.hero-meta b { color: var(--fg); font-weight: 600; }

.scroll-cue {
  position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--fg-mute);
}
.scroll-cue .track {
  width: 1px; height: 42px; background: var(--line-strong); position: relative; overflow: hidden;
}
.scroll-cue .track::after {
  content: ""; position: absolute; inset-inline: 0; top: -50%; height: 50%;
  background: linear-gradient(var(--signal), transparent);
  animation: scrolldrop 1.8s var(--ease-soft) infinite;
}
@keyframes scrolldrop { 0% { transform: translateY(-100%); } 100% { transform: translateY(300%); } }

/* ====================================================================
   THE RACK  (centerpiece)
   ==================================================================== */
.rack-section { padding: clamp(4rem, 9vw, 7rem) 0; overflow: hidden; }

/* physical metal palette — fixed (a server is dark in any room) */
.rack-scene {
  --uw: 440px; --ud: 64px;
  --metal-1: #313a33; --metal-2: #1d231e; --metal-3: #151a16;
  --metal-edge: rgba(255,255,255,0.07); --metal-low: rgba(0,0,0,0.45);
  --srv-fg: #e7ead9; --srv-mute: #97a293;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center;
}
@media (min-width: 1000px) { .rack-scene { grid-template-columns: 1.18fr 0.82fr; gap: 1rem; } }

.rack-viewport {
  position: relative; perspective: 1500px; perspective-origin: 50% 44%;
  display: flex; align-items: center; justify-content: center;
  min-height: 560px;
}
.rack3d { transform-style: preserve-3d; transform: scale(var(--s, 1)); transform-origin: center; will-change: transform; }
.rack-cam { transform-style: preserve-3d; transform: rotateX(var(--camx, 6deg)) rotateY(var(--camy, -22deg)); will-change: transform; }
.rack-cab { position: relative; transform-style: preserve-3d; display: flex; flex-direction: column; align-items: center; }

/* contact shadow on the floor */
.rack-floor {
  position: absolute; left: 50%; bottom: -28px; width: 70%; height: 60px;
  transform: translateX(-50%) rotateX(80deg); transform-origin: center;
  background: radial-gradient(closest-side, rgba(0,0,0,0.4), transparent 75%);
  filter: blur(10px); z-index: -1; pointer-events: none;
}

/* generic 3D cuboid face system (vars --w --h --d set per box) */
.box3d { position: relative; transform-style: preserve-3d; }
.face3d { position: absolute; top: 50%; left: 50%; }
.f-front  { width: var(--w); height: var(--h); transform: translate(-50%,-50%) translateZ(calc(var(--d) / 2)); }
.f-back   { width: var(--w); height: var(--h); transform: translate(-50%,-50%) rotateY(180deg) translateZ(calc(var(--d) / 2)); background: var(--metal-3); }
.f-top    { width: var(--w); height: var(--d); transform: translate(-50%,-50%) rotateX(90deg)  translateZ(calc(var(--h) / 2)); }
.f-bottom { width: var(--w); height: var(--d); transform: translate(-50%,-50%) rotateX(-90deg) translateZ(calc(var(--h) / 2)); background: var(--metal-3); }
.f-left   { width: var(--d); height: var(--h); transform: translate(-50%,-50%) rotateY(-90deg) translateZ(calc(var(--w) / 2)); }
.f-right  { width: var(--d); height: var(--h); transform: translate(-50%,-50%) rotateY(90deg)  translateZ(calc(var(--w) / 2)); }

/* lid (top/bottom) + side metal */
.unit .f-top, .cap .f-top { background: linear-gradient(120deg, var(--metal-1), var(--metal-2)); border-top: 1px solid var(--metal-edge); }
.unit .f-left, .unit .f-right, .cap .f-left, .cap .f-right,
.rail .f-front, .rail .f-left, .rail .f-right, .rail .f-top, .rail .f-bottom {
  background: linear-gradient(var(--metal-2), var(--metal-3));
}

/* rails flanking the bay */
.rail { position: absolute; top: 0; }
.rail.left  { left: 50%; transform: translateX(calc(-1 * (var(--uw) / 2) - 9px)); }
.rail.right { left: 50%; transform: translateX(calc(var(--uw) / 2 + 9px)); }
.rail .f-front { display: grid; grid-auto-rows: 1fr; align-items: center; justify-items: center; padding: 8px 0; }
.rail .hole { width: 5px; height: 5px; border-radius: 1px; background: #0c0f0d; box-shadow: inset 0 1px 1px rgba(0,0,0,0.8); }

/* caps */
.cap .f-front {
  background: linear-gradient(120deg, var(--metal-1), var(--metal-2));
  border: 1px solid var(--metal-edge); border-radius: 4px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 14px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--srv-mute);
}
.cap.top .f-front { color: var(--srv-mute); }
.cap.base .f-front { gap: 8px; justify-content: flex-start; color: var(--srv-fg); }
.cap.base .f-front .led { width: 8px; height: 8px; border-radius: 50%; background: #7ee0a0; box-shadow: 0 0 10px 1px rgba(126,224,160,0.7); animation: bled 1.8s infinite; }
.cap.base .f-front .scan-id { margin-left: auto; color: var(--signal-soft); }

/* ---- the server units ---- */
.unit {
  position: relative; transform-style: preserve-3d; cursor: pointer;
  transition: transform 0.6s var(--ease-expo);
  margin-bottom: 10px; will-change: transform;
}
.unit:last-child { margin-bottom: 0; }
.unit .f-front {
  display: flex; align-items: stretch; overflow: hidden;
  background: linear-gradient(100deg, var(--metal-1) 0%, var(--metal-2) 60%, var(--metal-3) 100%);
  border: 1px solid var(--metal-edge); border-radius: 5px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), inset 0 -10px 20px -12px rgba(0,0,0,0.7);
}
.unit .srv-ear {
  flex: none; width: 17px; display: flex; flex-direction: column; justify-content: space-between;
  align-items: center; padding: 7px 0; background: linear-gradient(var(--metal-2), var(--metal-3));
  border-right: 1px solid rgba(0,0,0,0.4);
}
.unit .srv-ear i { width: 5px; height: 5px; border-radius: 50%; background: #11140f; box-shadow: inset 0 1px 1px rgba(255,255,255,0.12); }
.unit .srv-main { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; gap: 4px; padding: 0 14px; }
.unit .srv-name { font-family: var(--font-mono); font-weight: 700; font-size: 1.02rem; letter-spacing: 0.01em; color: var(--srv-fg); display: flex; align-items: center; gap: 9px; }
.unit .srv-name .ico { width: 18px; height: 18px; color: var(--signal-soft); flex: none; }
.unit .srv-name .ico svg { width: 18px; height: 18px; }
.unit .srv-sub { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--srv-mute); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding-left: 27px; }
.unit .srv-vents { flex: none; width: 46px; align-self: stretch; margin: 7px 0; border-radius: 2px;
  background: repeating-linear-gradient(120deg, rgba(0,0,0,0.5) 0 2px, rgba(255,255,255,0.04) 2px 5px); opacity: 0.8; }
.unit .srv-bays { flex: none; display: flex; gap: 3px; align-items: center; padding-right: 10px; }
.unit .srv-bays i { width: 7px; height: 60%; border-radius: 1px; background: linear-gradient(var(--metal-2), #0d100c); box-shadow: inset 0 0 0 1px rgba(0,0,0,0.5); position: relative; }
.unit .srv-bays i::after { content: ""; position: absolute; right: 1px; bottom: 2px; width: 3px; height: 3px; border-radius: 50%; background: var(--bay-led, #4f5a4d); }
.unit .srv-leds { flex: none; width: 40px; display: flex; align-items: center; justify-content: flex-end; gap: 8px; padding-right: 12px; }
.unit .led-tower { display: flex; align-items: flex-end; gap: 2.5px; height: 26px; }
.unit .led-tower i { width: 3.5px; height: 100%; border-radius: 1px; background: var(--signal-soft); opacity: 0.8; transform-origin: bottom; transform: scaleY(0.35); animation: eq var(--eqd, 1s) ease-in-out infinite alternate; animation-delay: var(--eqdelay, 0s); will-change: transform; }
.unit.is-active .led-tower i { background: var(--signal); opacity: 1; }
@keyframes eq { 0% { transform: scaleY(0.18); } 100% { transform: scaleY(1); } }
.unit .status-led { width: 9px; height: 9px; border-radius: 50%; background: var(--signal-soft); box-shadow: 0 0 9px 1px color-mix(in srgb, var(--signal-soft) 70%, transparent); animation: bled 2.4s var(--ease-soft) infinite; animation-delay: var(--led-delay, 0s); }
/* accent edge appears on active */
.unit .srv-edge { position: absolute; inset: 0; border-radius: 5px; border: 1.5px solid transparent; pointer-events: none; transition: border-color 0.3s, box-shadow 0.3s; }
.unit.is-active .f-front .srv-edge { border-color: var(--signal); box-shadow: 0 0 24px -2px color-mix(in srgb, var(--signal) 60%, transparent), inset 0 0 22px -8px color-mix(in srgb, var(--signal) 50%, transparent); }
.unit.is-active .srv-name .ico, .unit.is-active .srv-name { color: #fff; }
.unit.is-active .srv-name .ico { color: var(--signal); }

/* ---- live request traffic (edge → tunnel → milluki → target) ---- */
.tunnel-link .pk-live {
  position: absolute; left: 50%; transform: translateX(-50%); top: -15px;
  width: 5px; height: 15px; border-radius: 2px;
  background: linear-gradient(var(--signal), transparent);
  box-shadow: 0 0 9px 2px color-mix(in srgb, var(--signal) 75%, transparent);
}
.traffic-lane { position: absolute; top: 0; bottom: 0; left: 50%; width: 4px; transform: translateX(-50%); pointer-events: none; }
.lane-packet {
  position: absolute; left: 50%; transform: translateX(-50%);
  width: 4px; height: 18px; border-radius: 2px;
  background: linear-gradient(var(--signal), transparent);
  box-shadow: 0 0 8px 2px color-mix(in srgb, var(--signal) 70%, transparent);
}
.unit.traffic-hit .srv-edge {
  border-color: color-mix(in srgb, var(--signal) 85%, transparent);
  box-shadow: 0 0 20px -3px color-mix(in srgb, var(--signal) 65%, transparent),
              inset 0 0 16px -8px color-mix(in srgb, var(--signal) 55%, transparent);
}
.unit.traffic-hit .led-tower i { background: var(--signal); opacity: 1; animation-duration: 0.35s; }
.unit.traffic-hit .status-led { background: var(--signal); }

/* light bus on the right rail */
.light-bus { position: absolute; top: 8px; bottom: 8px; left: 50%; width: 3px; transform: translateX(-50%); border-radius: 2px; background: rgba(0,0,0,0.4); overflow: hidden; }
.bus-packet { position: absolute; left: 50%; transform: translateX(-50%); width: 3px; height: 16px; border-radius: 2px;
  background: linear-gradient(var(--signal), transparent); box-shadow: 0 0 7px 1px color-mix(in srgb, var(--signal) 70%, transparent);
  animation: busflow var(--dur, 2.6s) linear infinite; animation-delay: var(--delay, 0s); }
@keyframes busflow { 0% { top: -16px; opacity: 0; } 12% { opacity: 1; } 88% { opacity: 1; } 100% { top: 100%; opacity: 0; } }
@keyframes bled { 0%,100% { opacity: 1; } 50% { opacity: 0.32; } }

/* ---- HUD readout (reimagined inspect) ---- */
.rack-hud {
  position: relative; padding: 1.5rem 1.6rem 1.4rem;
  background: var(--surface); border: 1px solid var(--line-strong);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  font-family: var(--font-mono); overflow: hidden;
  box-shadow: 0 30px 60px -34px rgba(31,42,36,0.5);
}
.rack-hud::after { /* scanline */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background: repeating-linear-gradient(to bottom, transparent 0 3px, color-mix(in srgb, var(--deco) 8%, transparent) 3px 4px);
  mix-blend-mode: var(--scan-blend, multiply);
}
[data-theme="dark"] .rack-hud { --scan-blend: screen; }
/* bracket corners */
.hud-corner { position: absolute; width: 14px; height: 14px; border: 1.5px solid var(--signal); z-index: 2; }
.hud-corner.tl { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.hud-corner.tr { top: 8px; right: 8px; border-left: 0; border-bottom: 0; }
.hud-corner.bl { bottom: 8px; left: 8px; border-right: 0; border-top: 0; }
.hud-corner.br { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }
.hud-top { display: flex; align-items: center; gap: 0.5rem; font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--fg-mute); position: relative; z-index: 1; }
.hud-top .live { width: 7px; height: 7px; border-radius: 50%; background: #7ee0a0; box-shadow: 0 0 8px 1px rgba(126,224,160,0.6); animation: bled 1.7s infinite; }
.hud-top .src { margin-left: auto; color: var(--signal); }
.hud-name { position: relative; z-index: 1; font-family: var(--font-mono); font-weight: 700; font-size: 1.9rem; letter-spacing: -0.01em; color: var(--fg); margin-top: 0.7rem; }
.hud-role { position: relative; z-index: 1; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--signal); margin-top: 0.25rem; }
.hud-blurb { position: relative; z-index: 1; font-family: var(--font-sans); color: var(--fg-soft); font-size: 0.92rem; line-height: 1.55; margin-top: 0.9rem; min-height: 4.4em; }
.hud-div { position: relative; z-index: 1; height: 1px; margin: 1.1rem 0; background: repeating-linear-gradient(90deg, var(--line-strong) 0 6px, transparent 6px 12px); }
.hud-stats { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem 1.2rem; }
.hud-stat .k { font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-mute); }
.hud-stat .v { font-size: 0.92rem; font-weight: 600; color: var(--fg); margin-top: 2px; }
.hud-stat .v.up { color: var(--signal); }
.hud-hint { position: relative; z-index: 1; margin-top: 1.1rem; font-size: 10px; letter-spacing: 0.04em; color: var(--fg-mute); display: flex; align-items: center; gap: 0.45rem; }
.hud-hint .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); display: inline-block; }
.hud-fade { animation: hudfade 0.45s var(--ease-expo); }
@keyframes hudfade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* rack legend below */

/* rack legend below */
.rack-legend {
  display: flex; flex-wrap: wrap; gap: 1.2rem 2rem; margin-top: clamp(2rem, 4vw, 3rem);
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-mute);
  border-top: 1px solid var(--line); padding-top: 1.4rem;
}
.rack-legend .lg { display: flex; align-items: center; gap: 0.5rem; }
.rack-legend .sw { width: 22px; height: 8px; border-radius: 3px; }

/* ====================================================================
   LIVE BRIEFING  (safe aggregate stats)
   ==================================================================== */
.briefing-section { padding: clamp(3.5rem, 8vw, 6rem) 0; border-top: 1px solid var(--line); }
.briefing-grid {
  margin-top: clamp(2rem, 4vw, 3rem);
  display: grid; gap: 1px; grid-template-columns: repeat(2, 1fr);
  background: var(--line); border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
}
@media (min-width: 720px) { .briefing-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1040px) { .briefing-grid { grid-template-columns: repeat(6, 1fr); } }
.brief-cell {
  background: var(--bg); padding: 1.4rem 1.3rem 1.5rem;
  display: flex; flex-direction: column; gap: 0.35rem; position: relative; overflow: hidden;
  transition: background 0.3s;
}
.brief-cell:hover { background: var(--surface); }
.brief-cell .n { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.04em; font-size: clamp(2.4rem, 5vw, 3.2rem); line-height: 1; color: var(--fg); font-variant-numeric: tabular-nums; }
.brief-cell .n.zerosig { color: var(--signal); }
.brief-cell .n .sig { color: var(--signal); }
.brief-cell .k { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg); margin-top: 0.5rem; }
.brief-cell .s { font-family: var(--font-mono); font-size: 10px; color: var(--fg-mute); }
.brief-cell .spark { position: absolute; right: 12px; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: var(--signal-soft); box-shadow: 0 0 8px 1px color-mix(in srgb, var(--signal-soft) 60%, transparent); opacity: 0.7; animation: bled 2.6s infinite; }
/* scrolling EKG monitor line at the bottom of each cell */
.brief-cell .ekg {
  position: absolute; left: 0; right: 0; bottom: 0; height: 26px;
  opacity: 0.3; pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent);
  transition: opacity 0.3s;
}
.brief-cell .ekg .trk { display: flex; width: 200%; height: 100%; animation: ekgscroll var(--ekgd, 9s) linear infinite; }
.brief-cell .ekg svg { width: 50%; height: 100%; flex: none; }
.brief-cell .ekg polyline { fill: none; stroke: var(--deco); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.brief-cell:hover .ekg { opacity: 0.55; }
.brief-cell:hover .ekg polyline { stroke: var(--signal); }
@keyframes ekgscroll { to { transform: translateX(-50%); } }


/* ====================================================================
   FLOW  (request topology — one way in)
   ==================================================================== */
.flow-section { padding: clamp(4rem, 9vw, 7rem) 0; border-top: 1px solid var(--line); }
.flow-wrap { margin-top: clamp(2.5rem, 5vw, 3.5rem); overflow-x: auto; overscroll-behavior-x: contain; }
.flow-map { width: 100%; min-width: 880px; height: auto; display: block; }
/* narrow screens scroll the map sideways — fade the right edge as a hint */
@media (max-width: 920px) {
  .flow-wrap {
    -webkit-mask-image: linear-gradient(90deg, #000 86%, rgba(0,0,0,0.25));
    mask-image: linear-gradient(90deg, #000 86%, rgba(0,0,0,0.25));
  }
}

.fl-line { fill: none; stroke: var(--line-strong); stroke-width: 1.5; }
.fl-dim { stroke-dasharray: 4 7; opacity: 0.7; }
.fl-backup { fill: none; stroke: var(--deco); stroke-width: 1.2; stroke-dasharray: 3 6; opacity: 0.85; }
.fl-deny { fill: none; stroke: color-mix(in srgb, var(--signal) 70%, transparent); stroke-width: 1.5; stroke-dasharray: 9 7; }

.fn-ring { fill: none; stroke: var(--deco); stroke-width: 1.2; stroke-dasharray: 5 7; }
.fn-ico { fill: none; stroke: var(--deco); stroke-width: 1.5; }
.fn-lock { fill: none; stroke: var(--signal); stroke-width: 1.5; }
.fn-pipe { fill: none; stroke: var(--line-strong); stroke-width: 1.2; }
.fn-dash { fill: none; stroke: var(--deco); stroke-width: 1.5; stroke-dasharray: 5 9; animation: flowdash 1.1s linear infinite; }
@keyframes flowdash { to { stroke-dashoffset: -14; } }

.fn-box { fill: var(--surface); stroke: var(--line-strong); stroke-width: 1.2; }
.fn-edge { stroke: color-mix(in srgb, var(--signal) 60%, var(--line-strong)); stroke-dasharray: 7 5; }
.fn-fw { stroke: var(--signal); stroke-width: 1.5; }
.fn-dim { opacity: 0.85; }
.fn-zone { fill: color-mix(in srgb, var(--sage-300) 10%, transparent); stroke: var(--line); stroke-width: 1; }
.fn-zone-b { fill: color-mix(in srgb, var(--sage-400) 6%, transparent); }

.fn-name { font-family: var(--font-mono); font-weight: 700; font-size: 17px; fill: var(--fg); text-anchor: middle; letter-spacing: 0.01em; }
.fn-name-sm { font-size: 15px; }
.fn-name-xs { font-size: 12.5px; }
.fn-sub { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; fill: var(--fg-mute); text-anchor: middle; }
.fn-sub-xs { font-size: 8.5px; }
.fn-lbl { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; fill: var(--deco); text-anchor: middle; }
.fn-lbl-tight { letter-spacing: 0.08em; }
.fn-zlbl { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; fill: var(--deco); }
.fn-ghost { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; fill: var(--fg-mute); opacity: 0.6; text-anchor: middle; }
.fn-deny { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; fill: var(--signal); text-anchor: middle; }
.fn-guest { fill: var(--deco-soft); }
.fn-guest-hot { fill: var(--signal); animation: bled 2.4s var(--ease-soft) infinite; }

.fpk { fill: var(--signal); }
.fpk-halo { fill: color-mix(in srgb, var(--signal) 25%, transparent); }
.fpk-bad { fill: var(--signal-deep); }
.fx-ring { fill: none; stroke: var(--signal); stroke-width: 1.5; }
.fx-x { fill: none; stroke: var(--signal); stroke-width: 2; stroke-linecap: round; }

/* ====================================================================
   SKILLS  (system stack)
   ==================================================================== */
.skills-section { padding: clamp(4rem, 9vw, 7rem) 0; border-top: 1px solid var(--line); }
.skills-grid {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  display: grid; gap: 1rem; grid-template-columns: repeat(1, 1fr);
}
@media (min-width: 640px) { .skills-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .skills-grid { grid-template-columns: repeat(3, 1fr); } }

.skill {
  position: relative; overflow: hidden; border-radius: 14px;
  border: 1px solid var(--line); background: var(--surface);
  padding: 1.3rem 1.4rem; transition: background 0.3s, border-color 0.3s, transform 0.4s var(--ease-expo);
}
.skill:hover { background: var(--surface-2); border-color: var(--line-strong); transform: translateY(-3px); }
.skill .s-top { display: flex; align-items: center; gap: 0.7rem; }
.skill .s-cat { width: 10px; height: 10px; border-radius: 50%; }
.skill .s-name { font-family: var(--font-sans); font-weight: 700; font-size: 1.08rem; color: var(--fg); }
.skill .s-idx { margin-left: auto; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--fg-mute); }
.skill .s-sub { margin-top: 0.55rem; padding-left: calc(10px + 0.7rem); font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.02em; color: var(--fg-mute); }
.skill .s-tools { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.9rem; }
.skill .s-tools .chip {
  font-family: var(--font-mono); font-size: 11px; padding: 0.25rem 0.55rem; border-radius: 7px;
  background: var(--surface-2); color: var(--fg-soft); border: 1px solid transparent;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.skill:hover .s-tools .chip { border-color: var(--line); }
.skill .s-sweep {
  position: absolute; top: -1px; right: -1px; width: 64px; height: 64px;
  background: color-mix(in srgb, var(--signal) 22%, transparent);
  transform: rotate(12deg) scale(0); transform-origin: top right;
  transition: transform 0.5s var(--ease-expo);
  border-radius: 8px;
}
.skill:hover .s-sweep { transform: rotate(12deg) scale(1); }

.cat-systems { background: var(--sage-400); }
.cat-infra { background: var(--sage-300); }
.cat-automation { background: var(--signal-soft); }
.cat-ops { background: var(--signal); }

/* ====================================================================
   ABOUT / NOW
   ==================================================================== */
.about-section { padding: clamp(4rem, 9vw, 7rem) 0; border-top: 1px solid var(--line); }
.about-grid { margin-top: clamp(2.5rem, 5vw, 3.5rem); display: grid; gap: clamp(2rem, 4vw, 3rem); grid-template-columns: 1fr; }
@media (min-width: 880px) { .about-grid { grid-template-columns: 1.2fr 0.8fr; align-items: start; } }

.about-prose p { color: var(--fg-soft); font-size: clamp(1.05rem, 1.6vw, 1.25rem); line-height: 1.7; max-width: 52ch; text-wrap: pretty; }
.about-prose p + p { margin-top: 1.1rem; }
.about-prose .lead { color: var(--fg); font-weight: 500; }
.about-prose .sig { font-weight: 600; }

.now-card {
  border: 1px solid var(--line); border-radius: 16px; padding: 1.5rem;
  background: var(--surface); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.now-card h3 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--deco); display: flex; align-items: center; gap: 0.5rem; }
.now-card h3 .live { width: 8px; height: 8px; border-radius: 50%; background: #7ee0a0; box-shadow: 0 0 8px 1px rgba(126,224,160,0.6); animation: bled 1.8s infinite; }
.now-list { margin-top: 1.1rem; display: flex; flex-direction: column; gap: 0.9rem; }
.now-row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-bottom: 0.9rem; border-bottom: 1px dashed var(--line); }
.now-row:last-child { border-bottom: none; padding-bottom: 0; }
.now-row .k { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-mute); }
.now-row .v { font-family: var(--font-mono); font-size: 0.95rem; color: var(--fg); font-weight: 600; text-align: right; }
.now-row .v.sig { color: var(--signal); }

/* ====================================================================
   FOOTER
   ==================================================================== */
.site-footer { position: relative; margin-top: clamp(3rem, 7vw, 5rem); border-top: 1px solid var(--line); overflow: hidden; }
.footer-inner { padding-block: clamp(3rem, 6vw, 5rem) clamp(1.4rem, 3vw, 2rem); }
.footer-lead { max-width: 640px; }
.footer-statement {
  font-family: var(--font-display); font-weight: 800; letter-spacing: -0.03em; line-height: 1.04;
  font-size: clamp(1.7rem, 4.5vw, 3rem); color: var(--fg); margin-top: 0.9rem; text-wrap: balance;
  max-width: 17ch;
}
.footer-statement .sig { color: var(--signal); }
.footer-base {
  margin-top: clamp(2rem, 4vw, 3rem); padding-top: 1.3rem; border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-mute); letter-spacing: 0.02em;
}
.footer-meta {
  display: grid; gap: 1.5rem; grid-template-columns: 1fr; margin-top: clamp(2rem, 4vw, 3rem);
  font-family: var(--font-mono); font-size: 13px;
}
@media (min-width: 720px) { .footer-meta { grid-template-columns: repeat(3, 1fr); } }
.footer-meta .fm-k { color: var(--deco); }
.footer-meta .fm-v { color: var(--fg); margin-top: 0.4rem; }
.footer-meta a:hover { color: var(--signal); }
.footer-meta .right { text-align: left; }
@media (min-width: 720px) { .footer-meta .right { text-align: right; } }
.footer-bar { position: absolute; bottom: 0; left: 0; height: 2px; background: linear-gradient(90deg, var(--signal), var(--signal-soft)); width: 0%; }

/* ---- status pill ---------------------------------------------------- */
.status-pill {
  position: fixed; bottom: 1.1rem; right: 1.1rem; z-index: 45;
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.5rem 0.85rem; border-radius: 999px;
  background: var(--ink); color: var(--sage-100);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  box-shadow: 0 8px 30px -10px rgba(31,42,36,0.5);
  transition: transform 0.2s, background 0.2s;
}
[data-theme="dark"] .status-pill { background: color-mix(in srgb, var(--sage-400) 18%, #0a0d0b); border: 1px solid var(--line); }
.status-pill:hover { transform: scale(1.04); }
.status-pill .pulse { position: relative; width: 9px; height: 9px; }
.status-pill .pulse i { position: absolute; inset: 0; border-radius: 50%; background: #7ee0a0; }
.status-pill .pulse i.ring { animation: ringpulse 1.8s var(--ease-soft) infinite; }
@keyframes ringpulse { 0% { transform: scale(1); opacity: 0.7; } 100% { transform: scale(2.6); opacity: 0; } }
.status-pill .arrow { color: var(--sage-300); }
/* compact pill on small screens — the full label covers content */
@media (max-width: 640px) {
  .status-pill { padding: 0.55rem 0.7rem; gap: 0.45rem; }
  .status-pill span[data-i18n] { display: none; }
}

/* ====================================================================
   REVEAL animation states
   ==================================================================== */
[data-reveal] { opacity: 0; transform: translateY(48px); transition: opacity 0.85s var(--ease-expo), transform 0.85s var(--ease-expo); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal-stagger] > * { opacity: 0; transform: translateY(34px) scale(0.97); transition: opacity 0.7s var(--ease-expo), transform 0.7s var(--ease-expo); }
[data-reveal-stagger].in > * { opacity: 1; transform: none; }

/* ====================================================================
   BOOT OVERLAY
   ==================================================================== */
.boot {
  position: fixed; inset: 0; z-index: 100; background: var(--bg);
  display: flex; flex-direction: column; overflow: hidden;
  transition: opacity 0.5s var(--ease-soft), visibility 0.5s, transform 0.7s var(--ease-soft);
}
.boot.done { opacity: 0; visibility: hidden; pointer-events: none; transform: scale(1.06); }
.boot-lock, .boot-lock body { overflow: hidden; }
@media (max-width: 620px) { .boot-top .hide-mobile { display: none; } }
.boot .dot-grid { position: absolute; inset: 0; opacity: 0.5; background-image: radial-gradient(var(--grid-line) 1px, transparent 1px); background-size: 24px 24px; }
.boot .scan { position: absolute; inset: 0; pointer-events: none; opacity: 0.4; mix-blend-mode: multiply; background: repeating-linear-gradient(to bottom, transparent 0 3px, color-mix(in srgb, var(--ink) 7%, transparent) 3px 4px); }
[data-theme="dark"] .boot .scan { mix-blend-mode: screen; }
.boot-top { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center; padding: 1rem clamp(1.25rem,4vw,2.5rem); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--deco); }
.boot-skip { padding: 0.4rem 0.75rem; border-radius: 7px; border: 1px solid var(--line); transition: background 0.2s, color 0.2s; }
.boot-skip:hover { background: var(--surface-2); color: var(--fg); }
.boot-stage { position: relative; z-index: 2; flex: 1; display: grid; place-items: center; padding: 1rem; }
.boot-reticle { position: absolute; width: min(62vmin, 420px); height: min(62vmin, 420px); }
.boot-center { position: relative; text-align: center; }
.boot-pct { font-family: var(--font-mono); font-weight: 700; font-size: clamp(2.6rem, 7vw, 4.4rem); color: var(--fg); line-height: 1; font-variant-numeric: tabular-nums; }
.boot-pct .sig { color: var(--signal); }
.boot-label { margin-top: 0.5rem; font-family: var(--font-mono); font-size: clamp(10px,1.4vw,11px); letter-spacing: 0.35em; text-transform: uppercase; color: var(--deco); }
.boot-bottom { position: relative; z-index: 2; padding: 0 clamp(1.25rem,4vw,2.5rem) clamp(1.6rem,4vw,2.4rem); }
.boot-log { max-width: 560px; margin-inline: auto; font-family: var(--font-mono); font-size: clamp(12px,1.5vw,13px); display: flex; flex-direction: column; gap: 0.25rem; }
.boot-log li { display: flex; gap: 0.8rem; align-items: baseline; opacity: 0; }
.boot-log .tag { color: var(--deco); width: 3.4em; flex: none; }
.boot-log .body { color: var(--fg); flex: 1; }
.boot-log .trail { color: var(--signal); }
.boot-progress { max-width: 560px; margin: 1.3rem auto 0; height: 2px; background: var(--surface-2); border-radius: 2px; overflow: hidden; }
.boot-progress i { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--signal), var(--signal-soft)); }
.boot-foot { max-width: 560px; margin: 0.7rem auto 0; display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--fg-mute); }

/* ====================================================================
   EXTRAVAGANCE LAYER — marquee, glitch, VPS edge, live skills
   ==================================================================== */

/* --- marquee ticker --- */
.marquee {
  position: relative; overflow: hidden; white-space: nowrap;
  border-block: 1px solid var(--line); padding: 0.85rem 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.marquee-track { display: inline-flex; align-items: center; gap: 2.6rem; animation: marquee 30s linear infinite; will-change: transform; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track > span { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--fg-mute); display: inline-flex; align-items: center; gap: 2.6rem; }
.marquee .star { color: var(--signal); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* --- hero wordmark glitch --- */
.wordmark.glitching { animation: wordglitch 0.42s steps(2, end) 1; }
@keyframes wordglitch {
  0%   { text-shadow: 0 0 0 transparent; transform: translate(0); }
  20%  { text-shadow: 3px 0 var(--signal), -3px 0 #4fd6c8; transform: translate(-3px, 1px) skewX(-1.5deg); }
  45%  { text-shadow: -3px 0 var(--signal), 3px 0 #4fd6c8; transform: translate(3px, -1px); clip-path: inset(18% 0 36% 0); }
  46%  { clip-path: inset(0 0 0 0); }
  70%  { text-shadow: 2px 0 var(--signal), -2px 0 #4fd6c8; transform: translate(-1px, 0) skewX(1deg); }
  100% { text-shadow: 0 0 0 transparent; transform: none; }
}

/* --- VPS edge node (off-site) --- */
.edge-node { margin-bottom: 0; }
.edge-node .f-front {
  background: linear-gradient(100deg, color-mix(in srgb, var(--metal-1) 80%, var(--signal) 10%), var(--metal-3));
  border: 1px dashed color-mix(in srgb, var(--signal) 55%, var(--metal-edge));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 0 26px -6px color-mix(in srgb, var(--signal) 50%, transparent);
}
.edge-node .srv-name .ico { color: var(--signal); }
.edge-node .edge-tag {
  align-self: center; margin-right: 12px; font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.16em; color: var(--signal); white-space: nowrap;
  border: 1px solid color-mix(in srgb, var(--signal) 45%, transparent); border-radius: 4px; padding: 3px 7px;
}

/* --- tunnel cable connecting VPS to the rack --- */
.tunnel-link { position: relative; width: 150px; height: 54px; display: flex; align-items: center; justify-content: center; }
.tunnel-link .line { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; transform: translateX(-50%); background: repeating-linear-gradient(var(--deco) 0 4px, transparent 4px 9px); opacity: 0.55; }
.tunnel-link .pk { position: absolute; left: 50%; transform: translateX(-50%); width: 4px; height: 13px; border-radius: 2px; background: linear-gradient(var(--signal), transparent); box-shadow: 0 0 7px 1px color-mix(in srgb, var(--signal) 70%, transparent); animation: tunnelflow var(--td, 1.9s) linear infinite; animation-delay: var(--tdelay, 0s); }
@keyframes tunnelflow { 0% { top: -13px; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { top: 100%; opacity: 0; } }
.tunnel-link .cap { position: absolute; left: calc(50% + 16px); top: 50%; transform: translateY(-50%); font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-mute); white-space: nowrap; }

/* --- live Skills tiles --- */
.skill { isolation: isolate; }
.skill::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; z-index: -1;
  background: repeating-linear-gradient(var(--deco) 0 1px, transparent 1px 4px);
  mix-blend-mode: var(--scan-blend, multiply); transition: opacity 0.3s;
}
[data-theme="dark"] .skill { --scan-blend: screen; }
.skill:hover::after { opacity: 0.1; }
.skill .s-line { position: absolute; left: 0; top: 0; height: 2px; width: 0; background: linear-gradient(90deg, var(--signal), var(--signal-soft)); transition: width 0.55s var(--ease-expo); }
.skill:hover .s-line { width: 100%; }
.skill .s-cat { animation: bled 2.8s var(--ease-soft) infinite; animation-delay: var(--catd, 0s); }
.skill .s-idx { transition: color 0.2s; }
.skill:hover .s-idx { color: var(--signal); }
.skill .s-tools .chip { transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.4s var(--ease-expo); }
.skill:hover .s-tools .chip { transform: translateY(-2px); }

/* --- glitchy value (hosts) --- */
.now-row .v[data-glitch] { font-variant-numeric: tabular-nums; }

/* --- scroll-spine: signal travelling down the left edge --- */
.spine { position: fixed; left: 22px; top: 0; bottom: 0; width: 3px; z-index: 30; pointer-events: none; display: none; }
.spine .trace { position: absolute; inset: 0; left: 50%; width: 1px; transform: translateX(-50%); background: repeating-linear-gradient(var(--deco) 0 5px, transparent 5px 13px); opacity: 0.4; }
.spine .pulse { position: absolute; left: 50%; transform: translateX(-50%); top: 0; width: 3px; height: 110px; border-radius: 3px; background: linear-gradient(transparent, var(--signal) 55%, var(--signal-soft) 80%, transparent); box-shadow: 0 0 14px 2px color-mix(in srgb, var(--signal) 55%, transparent); }
@media (min-width: 1180px) { .spine { display: block; } }
@supports (animation-timeline: scroll()) {
  @keyframes spineRun { from { top: -110px; } to { top: 100%; } }
  .spine .pulse { animation: spineRun linear both; animation-timeline: scroll(root block); }
}

/* --- probe cursor --- */
.probe { position: fixed; top: 0; left: 0; z-index: 90; pointer-events: none; opacity: 0; transition: opacity 0.3s; will-change: transform; }
.probe.on { opacity: 1; }
.probe .p-ring { position: absolute; left: 0; top: 0; width: 26px; height: 26px; margin: -13px 0 0 -13px; border: 1px solid color-mix(in srgb, var(--signal) 65%, transparent); border-radius: 50%; transition: width 0.22s var(--ease-expo), height 0.22s var(--ease-expo), margin 0.22s var(--ease-expo), border-radius 0.22s, border-color 0.22s; }
.probe .p-cx { position: absolute; left: 0; top: 0; background: var(--signal); opacity: 0; transition: opacity 0.22s; }
.probe .p-cx.h { width: 14px; height: 1px; margin: 0 0 0 -7px; }
.probe .p-cx.v { width: 1px; height: 14px; margin: -7px 0 0 0; }
.probe .p-label { position: absolute; left: 18px; top: 10px; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--signal); white-space: nowrap; opacity: 0; transition: opacity 0.22s; }
.probe.hot .p-ring { width: 44px; height: 44px; margin: -22px 0 0 -22px; border-color: var(--signal); }
.probe.lock .p-ring { width: 40px; height: 40px; margin: -20px 0 0 -20px; border-radius: 6px; border-color: var(--signal); }
.probe.lock .p-cx, .probe.lock .p-label { opacity: 0.9; }

/* --- view transition crossfade (theme / lang) --- */
::view-transition-old(root), ::view-transition-new(root) { animation-duration: 0.45s; }

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  [data-reveal], [data-reveal-stagger] > * { opacity: 1 !important; transform: none !important; }
  .packet { display: none; }
  .spine .pulse, .probe { display: none; }
  .flow-map .fpk, .flow-map .fx-hit { display: none; }
  .lane-packet, .tunnel-link .pk-live { display: none; }
}