/*!
 * LP-EE-2026 // Blueprint Design System — REV 12.6
 * Lee Parkinson · Electrical Engineering Portfolio
 * Motion: GSAP 3 (ScrollTrigger, SplitText, ScrambleText, Flip) · Lenis · React Bits patterns
 */

/* =========================================================================
   01. TOKENS
   ========================================================================= */
:root {
  --font-sans: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --font-hand: "Architects Daughter", "Comic Sans MS", cursive;

  --ruler-h: 0px;
  --ruler-w: 0px;
  --header-h: 64px;
  --frame: 34px;
  --radius: 4px;
  --container: 1240px;
  --gutter: clamp(1rem, 3.2vw, 2.5rem);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  color-scheme: dark;
}

@media (min-width: 1440px) {
  :root {
    --container: 1340px;
  }
}

@media (min-width: 1800px) {
  :root {
    --container: 1440px;
  }
}

@media (max-width: 768px), (pointer: coarse) {
  :root {
    --ruler-h: 0px;
    --ruler-w: 0px;
    --frame: 0px;
  }
}

/* Blueprint (default, dark cyanotype) */
:root,
[data-theme="blueprint"] {
  --bg: #030814;
  --bg-deep: #02050b;
  --paper: #051020;
  --paper-2: #081830;
  --ink: #f0f6ff;
  --ink-2: #c6daf2;
  --muted: #799ec7;
  --line: rgb(var(--accent-rgb) / 0.22);
  --line-strong: rgb(var(--accent-rgb) / 0.55);
  --grid-major: rgb(var(--accent-rgb) / 0.13);
  --grid-minor: rgb(var(--accent-rgb) / 0.05);
  --accent: #38bdf8;
  --accent-rgb: 56 189 248;
  --accent-ink: #030a16;
  --mark: #fde047;          /* annotation amber */
  --mark-rgb: 253 224 71;
  --ok: #34d399;
  --shadow: 0 16px 36px -12px rgba(0, 0, 0, 0.85);
  --header-bg: rgba(3, 8, 20, 0.92);
}

/* Whiteprint (light drafting film) */
[data-theme="whiteprint"] {
  color-scheme: light;
  --bg: #eef3f9;
  --bg-deep: #e3ebf5;
  --paper: #f8fbff;
  --paper-2: #ffffff;
  --ink: #0a2140;
  --ink-2: #1f3d63;
  --muted: #4a6488;
  --accent: #0a62c9;
  --accent-rgb: 10 98 201;
  --accent-ink: #ffffff;
  --line: rgb(var(--accent-rgb) / 0.2);
  --line-strong: rgb(var(--accent-rgb) / 0.48);
  --grid-major: rgb(var(--accent-rgb) / 0.1);
  --grid-minor: rgb(var(--accent-rgb) / 0.04);
  --mark: #b85c00;
  --mark-rgb: 184 92 0;
  --ok: #0c8a52;
  --shadow: 0 18px 40px -22px rgba(10, 33, 64, 0.35);
  --header-bg: rgba(238, 243, 249, 0.86);
}

/* Dynamic Accent Colors */
[data-accent="violet"] {
  --accent: #a855f7;
  --accent-rgb: 168 85 247;
  --accent-ink: #ffffff;
}
[data-accent="pink"] {
  --accent: #ec4899;
  --accent-rgb: 236 72 153;
  --accent-ink: #ffffff;
}
[data-accent="red"] {
  --accent: #ef4444;
  --accent-rgb: 239 68 68;
  --accent-ink: #ffffff;
}
[data-accent="orange"] {
  --accent: #f97316;
  --accent-rgb: 249 115 22;
  --accent-ink: #ffffff;
}
[data-accent="green"] {
  --accent: #10b981;
  --accent-rgb: 16 185 129;
  --accent-ink: #030a16;
}
[data-accent="teal"] {
  --accent: #14b8a6;
  --accent-rgb: 20 184 166;
  --accent-ink: #030a16;
}

/* =========================================================================
   02. RESET & BASE
   ========================================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + var(--ruler-h) + 16px); }
html:not(.lenis) { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--bg);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: rgb(var(--accent-rgb) / 0.85); color: var(--accent-ink); }
:focus-visible { outline: 2px dashed var(--mark); outline-offset: 3px; }

html { scrollbar-color: var(--line-strong) var(--bg-deep); }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--accent) 30%, var(--line-strong));
  border: 2px solid var(--bg-deep);
  border-radius: 4px;
  transition: background 0.2s ease;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 1rem; top: -100px; z-index: 200;
  padding: 0.6rem 1rem; background: var(--accent); color: var(--accent-ink);
  font: 700 0.8rem var(--font-mono);
}
.skip-link:focus { top: 1rem; }

/* Chroma Current Background (React Bits Pro: Currents of light flowing across a grid of glowing dots) */
.bp-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-color: var(--bg);
  overflow: hidden;
}
.chroma-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%; display: block;
  pointer-events: none;
}
.bp-grid::after {
  /* soft vignette like a printed cyanotype */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 90% at 50% 0%, transparent 60%, rgb(0 0 0 / 0.5) 100%);
}
[data-theme="whiteprint"] .bp-grid::after { background: radial-gradient(120% 90% at 50% 0%, transparent 65%, rgb(10 33 64 / 0.08) 100%); }

/* Drawing frame with zone references (A–F / 1–8), desktop only */
.bp-frame {
  position: fixed; inset: var(--frame); z-index: 1; pointer-events: none;
  border: 1px solid var(--line);
  display: none;
}
.bp-frame span {
  position: absolute; font: 500 9px/1 var(--font-mono); color: var(--muted); letter-spacing: 0.1em;
}
.bp-frame .zx { top: -12px; transform: translateX(-50%); }
.bp-frame .zx.b { top: auto; bottom: -12px; }
.bp-frame .zy { left: -12px; transform: translateY(-50%); }
.bp-frame .zy.r { left: auto; right: -12px; }
@media (min-width: 1100px) { .bp-frame { display: block; } }

/* =========================================================================
   03. LAYOUT PRIMITIVES
   ========================================================================= */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
@media (min-width: 1100px) {
  .container { padding-inline: calc(var(--gutter) + var(--frame)); }
}
.section {
  position: relative;
  padding-top: clamp(0.85rem, 1.6vw, 1.25rem);
  padding-bottom: clamp(0.85rem, 1.6vw, 1.25rem);
}
.section + .section { border-top: 1px dashed var(--line); }
.stack > * + * { margin-top: var(--stack, 0.85rem); }
.grid { display: grid; gap: var(--gap, 1rem); }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 720px) and (max-width: 1023px) {
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* =========================================================================
   04. TYPOGRAPHY
   ========================================================================= */
.mono { font-family: var(--font-mono); }
.hand { font-family: var(--font-hand); color: var(--mark); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font: 600 0.72rem/1.4 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
.display {
  font-size: clamp(2.8rem, 8.2vw, 6.4rem); font-weight: 700; line-height: 0.95; letter-spacing: -0.035em;
}
.h2 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 700; line-height: 1.02; letter-spacing: -0.03em; }
.h3 { font-size: clamp(1.2rem, 2vw, 1.45rem); font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--ink-2); max-width: 62ch; }
.body { color: var(--ink-2); }
.muted { color: var(--muted); }
.small { font-size: 0.86rem; }
.tiny { font: 500 0.7rem/1.4 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
strong { color: var(--ink); font-weight: 600; }
.accent { color: var(--accent); }

/* =========================================================================
   05. HEADER & NAVIGATION
   ========================================================================= */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--paper) 66%, transparent);
  backdrop-filter: blur(20px) saturate(190%); -webkit-backdrop-filter: blur(20px) saturate(190%);
  border-bottom: 1px solid rgb(var(--accent-rgb) / 0.28);
  box-shadow: 0 8px 32px -4px rgba(0, 0, 0, 0.45), inset 0 1px 0 0 rgba(255, 255, 255, 0.16);
  transition: top 0.2s ease;
}
.site-header .container { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; min-width: max-content; }
.brand-mark {
  width: 36px; height: 36px; flex: none; display: grid; place-items: center;
  border: 1.5px solid var(--accent); color: var(--accent);
  background: color-mix(in srgb, var(--paper) 50%, transparent);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 0 12px -2px rgb(var(--accent-rgb) / 0.3);
  font: 700 0.82rem var(--font-mono); letter-spacing: -0.02em; position: relative;
}
.brand-mark::after { content: ""; position: absolute; inset: 3px; border: 1px dashed var(--line-strong); }
.brand-text { line-height: 1.1; min-width: max-content; }
.brand-name { font-weight: 700; letter-spacing: 0.02em; font-size: 0.95rem; white-space: nowrap; }
.brand-sub { font: 500 0.64rem var(--font-mono); letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; white-space: nowrap; }

.nav { display: none; }
.nav a {
  position: relative; padding: 0.4rem 0.15rem; font: 500 0.71rem var(--font-mono); letter-spacing: 0.05em;
  color: var(--ink-2); text-transform: uppercase; transition: color 0.2s ease; white-space: nowrap;
}
.nav a span { color: var(--accent); margin-right: 0.25rem; }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease-out);
}
.nav a:hover, .nav a[aria-current="true"] { color: var(--ink); }
.nav a:hover::after, .nav a[aria-current="true"]::after { transform: scaleX(1); }
@media (min-width: 1080px) { .nav { display: flex; gap: clamp(0.55rem, 1vw, 1rem); } }

.header-actions { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.icon-btn {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid var(--line);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  background: color-mix(in srgb, var(--paper) 50%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
  color: var(--ink-2);
  border-radius: var(--radius);
  transition: border-color 0.2s, color 0.2s, background 0.2s, box-shadow 0.2s;
}
.icon-btn:hover {
  border-color: var(--accent);
  border-top-color: rgba(255, 255, 255, 0.4);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 15%, var(--paper));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 0 12px rgb(var(--accent-rgb) / 0.3);
}
.icon-btn svg { width: 18px; height: 18px; }
.menu-btn { display: grid; }
@media (min-width: 1080px) { .menu-btn { display: none; } }

.scroll-meter { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; overflow: hidden; pointer-events: none; }
.scroll-meter i {
  display: block; height: 100%; width: 100%; transform: scaleX(0); transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--mark));
}

/* Mobile drawer */
.drawer {
  position: fixed; inset: calc(var(--header-h) + var(--ruler-h)) 0 auto 0; z-index: 55;
  background: color-mix(in srgb, var(--bg-deep) 85%, transparent);
  backdrop-filter: blur(20px) saturate(190%); -webkit-backdrop-filter: blur(20px) saturate(190%);
  border-bottom: 1px solid var(--line-strong);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  padding: 1rem var(--gutter) 1.5rem; display: grid; gap: 0.25rem;
  transform: translateY(-8px); opacity: 0; visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s var(--ease-out), visibility 0.25s;
}
.drawer.is-open { opacity: 1; visibility: visible; transform: none; }
.drawer a {
  display: flex; justify-content: space-between; padding: 0.85rem 0; border-bottom: 1px dashed var(--line);
  font: 500 0.9rem var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em;
}
.drawer a span { color: var(--accent); }
@media (min-width: 1080px) { .drawer { display: none; } }

/* =========================================================================
   06. BUTTONS, CHIPS, TAGS
   ========================================================================= */
.btn {
  --btn-bg: color-mix(in srgb, var(--paper) 55%, transparent);
  --btn-fg: var(--ink);
  --btn-bd: var(--line-strong);
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  min-height: 46px; padding: 0 1.25rem;
  border: 1px solid var(--btn-bd);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font: 600 0.78rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase;
  backdrop-filter: blur(14px) saturate(160%); -webkit-backdrop-filter: blur(14px) saturate(160%);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.16), 0 4px 16px -2px rgba(0, 0, 0, 0.35);
  border-radius: var(--radius);
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
  will-change: transform;
}
.btn:hover {
  --btn-bd: var(--accent);
  --btn-fg: var(--accent);
  border-top-color: rgba(255, 255, 255, 0.45);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.3), 0 6px 20px -2px rgba(0, 0, 0, 0.45), 0 0 12px rgb(var(--accent-rgb) / 0.25);
}
.btn-primary {
  --btn-bg: rgb(var(--accent-rgb) / 0.82);
  --btn-fg: var(--accent-ink);
  --btn-bd: var(--accent);
  border-top: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.4), 0 8px 24px -4px rgb(var(--accent-rgb) / 0.45);
}
.btn-primary:hover {
  --btn-bg: rgb(var(--accent-rgb) / 0.2);
  --btn-fg: var(--accent);
}
.btn-sm { min-height: 38px; padding: 0 0.9rem; font-size: 0.7rem; }
.btn svg { width: 16px; height: 16px; flex: none; }

.chip {
  display: inline-flex; align-items: center; padding: 0.22rem 0.55rem;
  border: 1px solid var(--line);
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--ink-2);
  background: color-mix(in srgb, var(--paper) 45%, transparent);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  font: 500 0.7rem var(--font-mono); letter-spacing: 0.03em; white-space: nowrap;
  border-radius: var(--radius);
}
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.25rem 0.6rem; font: 700 0.66rem var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--accent); color: var(--accent-ink);
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
  border-radius: var(--radius);
}
.tag-outline { background: transparent; color: var(--accent); border: 1px solid currentColor; }
.tag-mark { background: var(--mark); color: #1b1200; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgb(74 222 155 / 0.6); animation: pulse 2.2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgb(74 222 155 / 0.55); } 70% { box-shadow: 0 0 0 8px rgb(74 222 155 / 0); } 100% { box-shadow: 0 0 0 0 rgb(74 222 155 / 0); } }

/* React Bits · ShinyText */
.shiny {
  background: linear-gradient(110deg, var(--ink-2) 35%, var(--ink) 48%, var(--accent) 52%, var(--ink-2) 65%);
  background-size: 250% 100%; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 4.5s linear infinite;
}
@keyframes shine { from { background-position: 120% 0; } to { background-position: -120% 0; } }

/* =========================================================================
   07. BLUEPRINT PANEL (cards)
   ========================================================================= */
.panel {
  position: relative; isolation: isolate;
  background: color-mix(in srgb, var(--paper) 62%, transparent);
  backdrop-filter: blur(16px) saturate(180%); -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--line);
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.16),
              0 12px 32px -8px rgba(0, 0, 0, 0.42);
  padding: clamp(1rem, 2vw, 1.25rem);
  border-radius: var(--radius);
  transition: border-color 0.3s ease, transform 0.3s var(--ease-out), box-shadow 0.3s ease, background 0.3s ease;
}
.panel:hover {
  border-color: var(--line-strong);
  border-top-color: rgba(255, 255, 255, 0.42);
  box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.26),
              0 16px 40px -8px rgba(0, 0, 0, 0.55),
              0 0 24px -4px rgb(var(--accent-rgb) / 0.22);
}
/* registration crosses */
.panel::before, .panel::after {
  content: "+"; position: absolute; font: 400 13px/1 var(--font-mono); color: var(--accent); opacity: 0.8; pointer-events: none;
}
.panel::before { top: -7px; left: -4px; }
.panel::after { bottom: -7px; right: -4px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; margin-bottom: 1rem; }
.panel-id { font: 600 0.66rem var(--font-mono); letter-spacing: 0.12em; color: var(--muted); text-transform: uppercase; }
.panel-link { font: 600 0.7rem var(--font-mono); letter-spacing: 0.06em; color: var(--accent); text-transform: uppercase; white-space: nowrap; }
.panel-link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* React Bits · SpotlightCard */
.spotlight { --mx: 50%; --my: 50%; --spot: 0; }
.spotlight > .spot {
  position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: var(--spot);
  background: radial-gradient(260px circle at var(--mx) var(--my), rgb(var(--accent-rgb) / 0.13), transparent 70%);
  transition: opacity 0.3s ease;
}
.spotlight > .spot-edge {
  position: absolute; inset: -1px; pointer-events: none; opacity: var(--spot); padding: 1px;
  background: radial-gradient(180px circle at var(--mx) var(--my), rgb(var(--accent-rgb) / 0.9), transparent 75%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  transition: opacity 0.3s ease;
}

/* React Bits · TiltedCard */
.tilt { transform-style: preserve-3d; will-change: transform; }
.tilt .glare {
  position: absolute; inset: 0; pointer-events: none; z-index: 3; opacity: 0;
  background: radial-gradient(farthest-corner circle at var(--gx, 50%) var(--gy, 50%), rgb(255 255 255 / 0.22), transparent 60%);
  mix-blend-mode: overlay; transition: opacity 0.3s ease;
}
.tilt:hover .glare { opacity: 1; }

/* Figures with drafting frame + caption */
.figure { position: relative; }
.figure-frame {
  position: relative; overflow: hidden; border: 1px solid var(--line-strong); background: var(--bg-deep);
}
.figure-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-out); }
.figure:hover .figure-frame img { transform: scale(1.035); }
.figure figcaption {
  display: flex; justify-content: space-between; gap: 0.75rem; margin-top: 0.55rem;
  font: 500 0.68rem var(--font-mono); letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase;
}
.figure figcaption .hand { text-transform: none; letter-spacing: 0; font-size: 0.85rem; }
.ratio-34 { aspect-ratio: 3 / 4; }
.ratio-43 { aspect-ratio: 4 / 3; }
.ratio-169 { aspect-ratio: 16 / 9; }

/* =========================================================================
   08. SECTION HEADING (sheet header, foldable)
   ========================================================================= */
.sheet-head {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.65rem;
  cursor: pointer;
  user-select: none;
  transition: opacity 0.2s ease;
}
.sheet-head:hover .sheet-state-badge {
  border-color: var(--accent);
  border-top-color: rgba(255, 255, 255, 0.4);
  color: var(--accent);
}
.sheet-head:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
.sheet-meta { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.sheet-no {
  font: 700 0.72rem var(--font-mono); letter-spacing: 0.16em; color: var(--accent-ink); background: var(--accent); padding: 0.3rem 0.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
  border-radius: var(--radius);
}
.sheet-rule { flex: 1; min-width: 60px; height: 1px; position: relative; background: var(--line-strong); transform-origin: left center; }
.sheet-rule::before, .sheet-rule::after { content: ""; position: absolute; top: -4px; width: 1px; height: 9px; background: var(--line-strong); }
.sheet-rule::before { left: 0; } .sheet-rule::after { right: 0; }
.sheet-code { font: 500 0.68rem var(--font-mono); letter-spacing: 0.12em; color: var(--muted); text-transform: uppercase; }
.sheet-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
}
.sheet-state-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font: 600 0.72rem var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  padding: 0.25rem 0.6rem;
  background: color-mix(in srgb, var(--paper) 60%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  transition: all 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: auto;
}
.sheet-chevron {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  transition: transform 0.25s var(--ease-out);
}
.section.is-folded .sheet-chevron {
  transform: rotate(-90deg);
}
.section.is-folded .sheet-state-badge {
  border-color: var(--mark);
  border-top-color: rgba(255, 255, 255, 0.35);
  color: var(--mark);
  background: color-mix(in srgb, var(--mark) 14%, var(--paper));
}
.sheet-head .h2 { max-width: 24ch; margin: 0; }
.sheet-head .lead { margin-top: 0.15rem; font-size: clamp(0.92rem, 1.35vw, 1.05rem); }
.sheet-note { font-family: var(--font-hand); color: var(--mark); font-size: 1.05rem; transform: rotate(-1.2deg); transform-origin: left; display: inline-block; }

/* Collapsible Section Body */
.sheet-body {
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
  max-height: 8000px;
  opacity: 1;
  overflow: visible;
}
.section.is-folded .sheet-body {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}
.section.is-folded {
  padding-top: clamp(0.65rem, 1.2vw, 0.95rem);
  padding-bottom: clamp(0.55rem, 1vw, 0.8rem);
}

/* =========================================================================
   08b. DRAFTING SHEETS CONTROL TOOLBAR & UNIFORM SHEET BADGES
   ========================================================================= */
.sheets-toolbar-wrap {
  margin-top: clamp(0.5rem, 1vw, 0.75rem);
  margin-bottom: 0.15rem;
}
.sheets-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.85rem;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--line-strong);
  border-top: 1px solid rgba(255, 255, 255, 0.26);
  background: color-mix(in srgb, var(--paper) 65%, transparent);
  border-radius: var(--radius);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16), 0 8px 24px -4px rgba(0, 0, 0, 0.35);
}
.sheets-toolbar-status {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font: 600 0.74rem var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}
.sheets-toolbar-status .status-dot {
  width: 7px;
  height: 7px;
  background: #34d399;
  border-radius: 50%;
  box-shadow: 0 0 8px #34d399;
  flex-shrink: 0;
}
.sheets-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.sheet-heading-group {
  display: flex;
  align-items: center;
  gap: 0.65rem 0.85rem;
  flex-wrap: wrap;
  flex: 1 1 auto;
  min-width: 0;
}
.sheet-heading-group .h2 {
  margin: 0;
  line-height: 1.05;
}
.sheet-tag-badge {
  font: 700 0.72rem var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--paper));
  border: 1px solid rgb(var(--accent-rgb) / 0.38);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.22rem 0.55rem;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.desktop-shortcut-hint {
  display: none;
}
@media (min-width: 1080px) {
  .desktop-shortcut-hint {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.28rem 0.65rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--paper) 40%, transparent);
    font: 600 0.65rem var(--font-mono);
    letter-spacing: 0.08em;
    color: var(--muted);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  .desktop-shortcut-hint kbd {
    font-family: inherit;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    padding: 1px 4px;
    border-radius: var(--radius);
    border: 1px solid rgb(var(--accent-rgb) / 0.3);
  }
}
@media (hover: hover) and (pointer: fine) {
  .panel.spotlight:hover {
    border-color: rgb(var(--accent-rgb) / 0.42);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.2), 0 12px 28px -6px rgba(0, 0, 0, 0.45), 0 0 16px -4px rgb(var(--accent-rgb) / 0.16);
  }
}
@media (max-width: 680px) {
  .sheets-toolbar {
    padding: 0.75rem 0.95rem;
    gap: 0.75rem;
  }
  .sheets-toolbar-status {
    width: 100%;
    font-size: 0.68rem;
  }
  .sheets-toolbar-actions {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
  }
  .sheets-toolbar-actions .btn {
    padding: 0.4rem 0.35rem;
    font-size: 0.68rem;
    justify-content: center;
    text-align: center;
  }
}

/* =========================================================================
   09. HERO
   ========================================================================= */
.hero { position: relative; padding-top: clamp(1.5rem, 3.5vw, 2.5rem); padding-bottom: clamp(0.75rem, 1.6vw, 1.25rem); overflow: clip; }
.hero-grid { display: grid; gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: minmax(0, 1.48fr) minmax(0, 0.72fr); } }
.hero-copy { position: relative; z-index: 5; }
.hero-copy > * + * { margin-top: 1.2rem; }
.hero-name {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
}
.hero-name .accent { color: var(--accent); }
.tech-text {
  position: relative;
  width: 100%;
  height: clamp(65px, 8.5vw, 105px);
  touch-action: pan-y;
  user-select: none;
}
.tech-text-canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.hero-role {
  font: 500 clamp(0.92rem, 1.5vw, 1.05rem) var(--font-mono);
  color: var(--ink-2);
  min-height: 1.6em;
  line-height: 1.45;
  overflow-wrap: break-word;
  word-break: break-word;
}
.hero-role .caret { display: inline-block; width: 0.55em; height: 1.05em; vertical-align: -0.15em; background: var(--accent); margin-left: 0.2em; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.status-pill {
  display: inline-flex; align-items: center; gap: 0.6rem; padding: 0.4rem 0.8rem; border: 1px solid var(--line);
  background: rgb(var(--accent-rgb) / 0.06); font: 500 0.74rem var(--font-mono); letter-spacing: 0.04em;
}

/* Spec table */
.spec {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 70%, transparent);
  border-radius: var(--radius);
  overflow: hidden;
}
.spec > div { padding: 0.8rem 1rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; }
.spec > div:nth-child(2n) { border-right: 0; }
.spec > div:nth-last-child(-n + 2) { border-bottom: 0; }
.spec dt { font: 600 0.72rem/1.3 var(--font-mono); letter-spacing: 0.12em; color: var(--muted); text-transform: uppercase; margin-bottom: 0.2rem; }
.spec dd { font-weight: 600; font-size: clamp(0.82rem, 1.05vw, 0.96rem); line-height: 1.35; white-space: normal; word-break: normal; }
@media (min-width: 640px) {
  .spec { grid-template-columns: minmax(0, 0.88fr) minmax(0, 0.82fr) minmax(0, 1.42fr) minmax(0, 0.88fr); }
  .spec > div { border-bottom: 0; }
  .spec > div:nth-child(2n) { border-right: 1px solid var(--line); }
  .spec > div:last-child { border-right: 0; }
  .spec dd { white-space: nowrap; }
}

/* Portrait with dimension lines */
.portrait { position: relative; max-width: 420px; margin-inline: auto; padding: 28px 30px 30px 0; width: 100%; }
.portrait .figure-frame { aspect-ratio: 3 / 4; box-shadow: var(--shadow); }
.portrait .figure-frame::after {
  content: ""; position: absolute; inset: 10px; border: 1px dashed rgb(255 255 255 / 0.28); pointer-events: none;
}
.dim { position: absolute; color: var(--muted); font: 600 0.72rem var(--font-mono); letter-spacing: 0.1em; }
.dim-h { left: 0; right: 30px; top: 6px; height: 12px; display: flex; align-items: center; justify-content: center; }
.dim-v { top: 28px; bottom: 30px; right: 4px; width: 12px; display: flex; align-items: center; justify-content: center; }
.dim-h::before, .dim-v::before { content: ""; position: absolute; background: var(--line-strong); }
.dim-h::before { left: 0; right: 0; top: 50%; height: 1px; }
.dim-v::before { top: 0; bottom: 0; left: 50%; width: 1px; }
.dim-h::after, .dim-v::after { content: ""; position: absolute; border: 1px solid var(--line-strong); }
.dim-h::after { left: 0; right: 0; top: 0; bottom: 0; border-top: 0; border-bottom: 0; }
.dim-v::after { top: 0; bottom: 0; left: 0; right: 0; border-left: 0; border-right: 0; }
.dim b { position: relative; z-index: 1; background: var(--bg); padding: 0 0.4rem; font-weight: 500; }
.dim-v b { writing-mode: vertical-rl; padding: 0.4rem 0; }
.portrait-tag {
  position: absolute; left: 12px; bottom: 42px; z-index: 2; padding: 0.3rem 0.55rem;
  background: var(--header-bg); border: 1px solid var(--line-strong); font: 600 0.72rem var(--font-mono); letter-spacing: 0.1em;
  backdrop-filter: blur(6px);
}


/* Hero background schematic */
.hero-art { position: absolute; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.hero-art svg { position: absolute; }
.hero-circuit { right: -40px; top: 10px; width: min(760px, 70vw); opacity: 0.18; }
.trace { fill: none; stroke: var(--line-strong); stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }
.hero-circuit .trace-accent { stroke: var(--line-strong); opacity: 0.6; }
.hero-circuit .node { fill: var(--line-strong); opacity: 0.6; }
.trace-accent { stroke: var(--accent); }
.trace-mark { stroke: var(--mark); }
.node { fill: var(--accent); }
@media (max-width: 720px) { .hero-circuit { opacity: 0.12; width: 120vw; right: -40vw; } }

/* React Bits Pro · Unified Drafting + Gyroscope + Custom Cursor System */
.drafting-cursor-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9990;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.drafting-cursor-layer.is-on { opacity: 1; }

/* Edge Rulers (Drafting Cursor) */
.cursor-ruler,
.ruler-top,
.ruler-left {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
  width: 0 !important;
  height: 0 !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  pointer-events: none !important;
}
.ruler-pip {
  position: absolute;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}
.pip-x { top: 0; bottom: 0; width: 2px; transform: translateX(-50%); }
.pip-y { left: 0; right: 0; height: 2px; transform: translateY(-50%); }

/* Hairline Crosshairs (Drafting Cursor) */
.cursor-hairline { position: absolute; pointer-events: none; }
.cursor-hairline.ch-x {
  left: 0; right: 0; top: 0; height: 0;
  border-top: 1px dashed rgb(var(--accent-rgb) / 0.35);
}
.cursor-hairline.ch-y {
  top: 0; bottom: 0; left: 0; width: 0;
  border-left: 1px dashed rgb(var(--accent-rgb) / 0.35);
}

/* Coordinate Readout Tag (Drafting Cursor) */
.cursor-readout {
  display: none !important;
}

/* Drag-to-Measure Dimension Box (Drafting Cursor) */
.cursor-measure-box {
  position: fixed;
  display: none;
  border: 1px dashed var(--accent);
  background: rgb(var(--accent-rgb) / 0.08);
  pointer-events: none;
  z-index: 9991;
}
.cursor-measure-box.is-active { display: block; }
.measure-badge {
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 2px 8px;
  font: 600 0.62rem var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--bg-deep);
  background: var(--accent);
  border-radius: var(--radius);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.3);
}

@media (max-width: 768px), (pointer: coarse) {
  .drafting-cursor-layer { display: none !important; }
}

/* Title block */
.title-block {
  margin-top: clamp(0.6rem, 1.2vw, 0.95rem); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  border-top: 1.5px solid rgba(255, 255, 255, 0.28);
  background: color-mix(in srgb, var(--paper) 65%, transparent);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.18), 0 14px 36px -10px rgba(0, 0, 0, 0.45);
}
.title-block > div { padding: 0.6rem 0.85rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; }
.title-block span { display: block; font: 500 0.58rem var(--font-mono); letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; }
.title-block b { display: block; font: 600 0.8rem var(--font-mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (min-width: 760px) {
  .title-block { grid-template-columns: 2fr repeat(5, minmax(0, 1fr)); }
  .title-block > div { border-bottom: 0; }
  .title-block > div:last-child { border-right: 0; }
}
@media (max-width: 759px) { .title-block > div:nth-child(2n) { border-right: 0; } }

/* =========================================================================
   10. DISCORD THEMES & SHOWCASE (Matching Client Media)
   ========================================================================= */
.showcase-panel {
  position: relative;
  border: 1px solid var(--line-strong);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  background: color-mix(in srgb, var(--paper) 65%, transparent);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.18), 0 12px 32px -8px rgba(0, 0, 0, 0.4);
  padding: 1.25rem;
  border-radius: var(--radius);
}
.showcase-grid {
  display: grid;
  gap: 1.25rem;
  align-items: center;
}
@media (min-width: 900px) {
  .showcase-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr);
  }
}
.showcase-gif-box {
  position: relative;
  border: 1.5px solid var(--line);
  background: var(--bg-deep);
  overflow: hidden;
}
.showcase-gif-box img {
  width: 100%;
  height: auto;
  display: block;
}
.gif-open-btn {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(3, 8, 20, 0.9);
  border: 1px solid var(--line-strong);
  color: var(--accent);
  font: 600 10px/1 var(--font-mono);
  padding: 5px 9px;
  letter-spacing: 0.06em;
  backdrop-filter: blur(4px);
  transition: all 0.2s ease;
}
.gif-open-btn:hover {
  background: var(--accent);
  color: var(--accent-ink);
}

/* =========================================================================
   10B. ACCENT PALETTE & REVISION CONTROLS
   ========================================================================= */
.spec-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  height: 38px;
  padding: 0 0.9rem;
  font: 600 0.7rem var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mark);
  border: 1px solid rgb(var(--mark-rgb) / 0.45);
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  background: color-mix(in srgb, var(--bg-deep) 65%, transparent);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 4px 16px -2px rgba(0, 0, 0, 0.35);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.spec-badge:hover {
  background: color-mix(in srgb, var(--mark) 18%, var(--bg-deep));
  border-color: var(--mark);
  border-top-color: rgba(255, 255, 255, 0.4);
}
.accent-menu-wrap {
  position: relative;
}
.accent-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 260px;
  max-width: calc(100vw - 20px);
  padding: 0.9rem;
  background: color-mix(in srgb, var(--bg-deep) 78%, transparent);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid var(--line-strong);
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), var(--shadow), 0 0 24px -6px rgb(var(--accent-rgb) / 0.35);
  border-radius: var(--radius);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px) scale(0.98);
  transition: all 0.18s var(--ease-out);
}
.accent-menu-wrap.is-open .accent-dropdown {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-block: 0.6rem;
}
.swatch-btn {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius);
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 1px var(--line);
  cursor: pointer;
  transition: transform 0.15s ease;
}
.swatch-btn:hover {
  transform: scale(1.15);
}
.swatch-btn.is-active {
  box-shadow: 0 0 0 2px var(--ink);
}

/* =========================================================================
   11. PROFILE
   ========================================================================= */
.profile-grid { display: grid; gap: clamp(1.25rem, 2.5vw, 2rem); }
@media (min-width: 960px) { .profile-grid { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); } }
.profile-copy p + p { margin-top: 0.85rem; }
.field-notes {
  border-style: dashed;
  border-color: rgb(var(--mark-rgb) / 0.55);
  border-top-color: rgb(var(--mark-rgb) / 0.75);
  background: color-mix(in srgb, var(--paper) 58%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.field-notes .hand { font-size: 1.15rem; line-height: 1.5; }
.field-notes ul { margin-top: 1.1rem; padding-top: 1rem; border-top: 1px dashed var(--line); display: grid; gap: 0.45rem; }
.field-notes li { font: 500 0.78rem var(--font-mono); color: var(--ink-2); display: flex; gap: 0.6rem; }
.field-notes li::before { content: "▸"; color: var(--accent); }

.pillar { display: grid; gap: 0.8rem; align-content: start; }
.pillar-icon { width: 100%; height: 72px; }
.pillar-icon path, .pillar-icon line, .pillar-icon circle, .pillar-icon rect, .pillar-icon polyline { fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.pillar-icon .dim-stroke { stroke: var(--line-strong); }

/* =========================================================================
   12. DISCIPLINES — filter, cards
   ========================================================================= */
.filters {
  display: inline-flex;
  flex-wrap: wrap;
  border: 1px solid var(--line-strong);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  background: color-mix(in srgb, var(--paper) 60%, transparent);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 4px 14px rgba(0, 0, 0, 0.25);
  margin-bottom: 0.85rem;
}
.filters button {
  padding: 0.5rem 0.95rem;
  font: 600 0.72rem var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  border-right: 1px solid var(--line);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.filters button:last-child { border-right: 0; }
.filters button:hover {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.filters button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.disc-grid { display: grid; gap: 1rem; }
@media (min-width: 760px) { .disc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .disc-grid .span-2 { grid-column: span 2; } }
.disc-card[hidden] { display: none; }
.disc-card .h3 { margin-bottom: 0.5rem; }
.disc-card .chips { margin-top: 0.85rem; }
.audio-grid { display: grid; gap: 1.25rem; }
@media (min-width: 760px) { .audio-grid { grid-template-columns: 1.1fr 1fr; align-items: center; } }
.audio-figs { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }

/* =========================================================================
   13. PROJECTS
   ========================================================================= */
.project-feature { display: grid; gap: 1.5rem; }
@media (min-width: 900px) { .project-feature { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); align-items: center; } }
.phase-list { display: grid; gap: 0; border: 1px solid var(--line); margin-top: 1.25rem; counter-reset: phase; }
.phase-list li {
  display: grid; grid-template-columns: auto 1fr auto; gap: 0.9rem; align-items: center; padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line); font-size: 0.92rem; color: var(--ink-2);
}
.phase-list li:last-child { border-bottom: 0; }
.phase-list li::before { counter-increment: phase; content: "P0" counter(phase); font: 700 0.68rem var(--font-mono); color: var(--accent); letter-spacing: 0.1em; }
.phase-list .tiny { white-space: nowrap; }
.car-blueprint { width: 100%; height: auto; }
.car-blueprint path, .car-blueprint circle, .car-blueprint line, .car-blueprint rect { fill: none; stroke: var(--accent); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.car-blueprint .faint { stroke: var(--line-strong); stroke-width: 1; stroke-dasharray: 4 4; }
.car-blueprint text { font: 500 10px var(--font-mono); fill: var(--muted); letter-spacing: 0.08em; }
.car-blueprint .price { font: 400 22px var(--font-hand); fill: var(--mark); letter-spacing: 0; }
.subhead { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin: clamp(1.5rem, 3vw, 2.25rem) 0 0.85rem; padding-bottom: 0.8rem; border-bottom: 1px solid var(--line); }
.subhead h3 { display: flex; align-items: baseline; gap: 0.8rem; }
.subhead h3 .mono { font-size: 0.72rem; color: var(--accent); letter-spacing: 0.12em; }
.gif-frame { border: 1px solid var(--line-strong); background: var(--bg-deep); padding: 6px; }

/* =========================================================================
   14. EXPERIENCE — revision timeline
   ========================================================================= */
.timeline { position: relative; display: grid; gap: 0.85rem; padding-left: 2.25rem; }
.timeline-rail { position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.timeline-rail i { position: absolute; inset: 0; background: linear-gradient(var(--accent), var(--mark)); transform-origin: top; transform: scaleY(0); }
.job { position: relative; }
.job::before {
  content: ""; position: absolute; left: calc(-2.25rem + 3px); top: 1.85rem; width: 14px; height: 14px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent); box-shadow: 0 0 0 4px var(--bg);
}
.job.is-current::before { background: var(--accent); }
.job-grid { display: grid; gap: 1rem; }
@media (min-width: 860px) { .job-grid { grid-template-columns: 1fr auto; } }
.job-title { display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem 0.75rem; }
.job-role { color: var(--accent); font-weight: 600; margin-top: 0.3rem; }
.job-when { font: 500 0.76rem var(--font-mono); color: var(--muted); text-align: left; white-space: nowrap; }
.job-when b { display: block; color: var(--ink); font-weight: 600; font-family: var(--font-sans); font-size: 0.95rem; }
@media (min-width: 860px) { .job-when { text-align: right; } }
.job ul { margin-top: 0.9rem; display: grid; gap: 0.45rem; }
.job li { position: relative; padding-left: 1.1rem; color: var(--ink-2); font-size: 0.95rem; }
.job li::before { content: ""; position: absolute; left: 0; top: 0.68em; width: 6px; height: 1px; background: var(--accent); }
.venues { display: grid; gap: 0.75rem; margin-top: 1rem; }
@media (min-width: 640px) { .venues { grid-template-columns: 1fr 1fr; } }
.venue {
  border: 1px solid var(--line);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.9rem 1rem;
  background: color-mix(in srgb, var(--paper) 60%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
}
.venue b { display: block; font-size: 0.92rem; }
.venue p { font-size: 0.86rem; color: var(--ink-2); margin-top: 0.35rem; }

/* =========================================================================
   15. EDUCATION — bill of materials
   ========================================================================= */
.bom { width: 100%; border-collapse: collapse; border: 1px solid var(--line-strong); font-size: 0.95rem; }
.bom th, .bom td { text-align: left; padding: 0.9rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.bom th { font: 600 0.64rem var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); background: var(--bg-deep); }
.bom td:first-child { font: 700 0.74rem var(--font-mono); color: var(--accent); white-space: nowrap; }
.bom tr:last-child td { border-bottom: 0; }
.bom .grade { font: 700 0.8rem var(--font-mono); color: var(--ok); white-space: nowrap; }
.bom .q { font-weight: 600; color: var(--ink); }
.bom .inst { color: var(--muted); font-size: 0.86rem; }
@media (max-width: 719px) {
  .bom thead { display: none; }
  .bom, .bom tbody, .bom tr, .bom td { display: block; width: 100%; }
  .bom tr { border-bottom: 1px solid var(--line-strong); padding: 0.6rem 0; }
  .bom td { border: 0; padding: 0.3rem 1rem; }
  .bom td[data-k]::before { content: attr(data-k) " · "; font: 500 0.62rem var(--font-mono); color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }
}
.grade-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.6rem; margin-top: 1.25rem; }
@media (min-width: 720px) { .grade-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.grade-cell {
  border: 1px solid var(--line);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.7rem 0.85rem;
  background: color-mix(in srgb, var(--paper) 60%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
}
.grade-cell span { display: block; font: 500 0.6rem var(--font-mono); letter-spacing: 0.12em; color: var(--muted); text-transform: uppercase; }
.grade-cell b { font-weight: 600; font-size: 0.95rem; }
.grade-cell.star { border-color: rgb(74 222 155 / 0.5); background: rgb(74 222 155 / 0.07); }
.grade-cell.star b { color: var(--ok); }
.grade-cell.wide { grid-column: 1 / -1; }

/* =========================================================================
   16. HOBBIES
   ========================================================================= */
.hobby { display: grid; gap: 1.25rem; align-content: start; }
.hobby-figs { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
.side-grid { display: grid; gap: 1rem; margin-top: 1.25rem; }
@media (min-width: 720px) { .side-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* =========================================================================
   17. CONTACT
   ========================================================================= */
.contact-card { padding: clamp(1.25rem, 3vw, 2.25rem); }
#contact.section { padding-bottom: 1rem; }
.contact-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-strong);
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  margin-top: 1.25rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 12px 32px -8px rgba(0, 0, 0, 0.45);
}
@media (min-width: 720px) { .contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.contact-cell {
  background: color-mix(in srgb, var(--paper) 65%, transparent);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  padding: 1.1rem 1.2rem;
  display: grid;
  gap: 0.3rem;
  transition: background 0.25s, box-shadow 0.25s;
  min-width: 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
a.contact-cell:hover {
  background: color-mix(in srgb, var(--paper) 70%, var(--accent) 30%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 0 18px rgb(var(--accent-rgb) / 0.3);
}
.contact-cell b { font-size: 1.05rem; overflow-wrap: anywhere; }
.copy-btn { justify-self: start; margin-top: 0.3rem; font: 600 0.66rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.copy-btn:hover { text-decoration: underline; }

/* Academic Qualifications (Matching Screenshot Screenshot_20261020_183551.png) */
.qual-card {
  border: 1px solid var(--line);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  background: color-mix(in srgb, var(--paper) 60%, transparent);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  padding: 1.15rem 1.25rem;
  margin-bottom: 0.85rem;
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 8px 24px -6px rgba(0, 0, 0, 0.35);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}
.qual-card:hover {
  border-color: var(--accent);
  border-top-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-1.5px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 12px 30px -6px rgba(0, 0, 0, 0.45);
}
.qual-card.featured {
  border: 1.5px solid rgb(var(--accent-rgb) / 0.65);
  border-top: 1.5px solid rgba(255, 255, 255, 0.4);
  background: color-mix(in srgb, var(--paper) 75%, var(--accent) 25%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 0 20px -4px rgb(var(--accent-rgb) / 0.3);
}
.qual-head {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
@media (min-width: 720px) {
  .qual-head {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
}
.qual-meta {
  font: 500 11.5px var(--font-mono);
  color: var(--muted);
  text-align: left;
}
@media (min-width: 720px) {
  .qual-meta { text-align: right; }
}
.grade-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-block: 0.65rem;
}
@media (min-width: 600px) {
  .grade-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}
.grade-grid-5 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-block: 0.65rem;
}
@media (min-width: 640px) {
  .grade-grid-5 {
    grid-template-columns: repeat(4, 1fr);
  }
}
.grade-box {
  border: 1px solid var(--line);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  background: color-mix(in srgb, var(--paper-2) 65%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.45rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 11px;
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.grade-box.highlight {
  border-color: var(--ok);
  border-top-color: rgba(255, 255, 255, 0.35);
  background: rgb(52 211 153 / 0.12);
  color: var(--ok);
}
.grade-box.full-span {
  grid-column: 1 / -1;
}

/* React Bits · ElectricBorder (SVG turbulence displacement) */
.electric { position: relative; }
.electric-svg { position: absolute; inset: -6px; width: calc(100% + 12px); height: calc(100% + 12px); pointer-events: none; overflow: visible; z-index: 2; }
.electric-svg rect { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.electric-svg .glow { stroke-width: 5; opacity: 0.25; filter: blur(4px); }

/* =========================================================================
   18. FOOTER
   ========================================================================= */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-deep);
  padding-top: clamp(1.75rem, 3vw, 2.5rem);
  padding-bottom: calc(var(--frame, 0px) + clamp(2.5rem, 4.5vw, 3.75rem) + env(safe-area-inset-bottom));
}
.footer-grid { display: grid; gap: 1.5rem; align-items: end; }
@media (min-width: 860px) { .footer-grid { grid-template-columns: 1fr auto; } }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.25rem; font: 500 0.74rem var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }
.footer-links a:hover { color: var(--accent); }



/* =========================================================================
   20. MOTION STATES
   ========================================================================= */
.split-line, .split-word, .split-char { display: inline-block; }
html.motion [data-hero] { visibility: hidden; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html.motion [data-hero] { visibility: visible; }
}

/* =========================================================================
   21. SUB-PAGE HELPERS (dedicated sheets)
   ========================================================================= */
.page-hero { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2rem, 4vw, 3rem); border-bottom: 1px dashed var(--line); }
.breadcrumb { display: flex; gap: 0.5rem; align-items: center; font: 500 0.7rem var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 1.5rem; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span[aria-hidden] { color: var(--line-strong); }
.next-sheet { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-block: 2.5rem; border-top: 1px dashed var(--line); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 1.25rem; font-size: 0.92rem; }
.kv dt { font: 500 0.66rem var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); padding-top: 0.2rem; }
.kv dd { color: var(--ink-2); }

/* =========================================================================
   22. REACT BITS PRO — BLUR HIGHLIGHT
   A paragraph that blurs in and highlights key phrases
   ========================================================================= */
.bh-paragraph {
  animation: bh-fade-in 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes bh-fade-in {
  from {
    filter: blur(4px);
    opacity: 0.7;
    transform: translateY(4px);
  }
  to {
    filter: blur(0px);
    opacity: 1;
    transform: translateY(0);
  }
}

.bh-phrase {
  display: inline;
  color: #38bdf8 !important;
  font-weight: 600;
  background: rgba(56, 189, 248, 0.14) !important;
  padding: 0.1em 0.35em;
  margin-inline: 0.05em;
  border-radius: var(--radius);
  border-bottom: 1.5px solid #38bdf8 !important;
  box-shadow: 0 0 10px -2px rgba(56, 189, 248, 0.25) !important;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.bh-phrase:hover {
  background: rgba(56, 189, 248, 0.26) !important;
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.5) !important;
  color: #fff !important;
}

.bh-phrase-amber {
  color: #fbbf24 !important;
  background: rgba(251, 191, 36, 0.14) !important;
  border-bottom-color: #fbbf24 !important;
  box-shadow: 0 0 10px -2px rgba(251, 191, 36, 0.25) !important;
}
.bh-phrase-amber:hover {
  background: rgba(251, 191, 36, 0.26) !important;
  box-shadow: 0 0 14px rgba(251, 191, 36, 0.5) !important;
  color: #fff !important;
}

/* =========================================================================
   23. REACT BITS PRO — PRISM CAROUSEL
   A coverflow that sweeps color into each new image
   ========================================================================= */
.prism-carousel-wrap {
  position: relative;
  width: 100%;
  padding: 1.5rem 0 2rem;
  overflow: hidden;
  perspective: 1200px;
}
.prism-viewport {
  position: relative;
  width: 100%;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-style: preserve-3d;
  user-select: none;
  touch-action: pan-y;
  cursor: grab;
}
.prism-viewport:active {
  cursor: grabbing;
}
.prism-slide {
  position: absolute;
  width: clamp(280px, 60vw, 480px);
  height: 330px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-surface);
  box-shadow: var(--shadow);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.5s ease;
  transform-style: preserve-3d;
  overflow: hidden;
  cursor: pointer;
}
.prism-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* Prismatic chromatic sheen sweep */
.prism-slide::after {
  content: "";
  position: absolute;
  inset: -60%;
  background: linear-gradient(
    115deg,
    transparent 32%,
    rgba(56, 189, 248, 0.4) 44%,
    rgba(236, 72, 153, 0.45) 50%,
    rgba(251, 191, 36, 0.4) 56%,
    transparent 68%
  );
  opacity: 0;
  pointer-events: none;
  transform: translateX(-100%);
  mix-blend-mode: screen;
}
.prism-slide.is-active::after {
  opacity: 0.9;
  animation: prism-sweep 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes prism-sweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.prism-slide-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.85rem 1.1rem;
  background: linear-gradient(to top, rgba(3, 8, 20, 0.94) 0%, rgba(3, 8, 20, 0.65) 75%, transparent 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  z-index: 2;
}
[data-theme="whiteprint"] .prism-slide-info {
  background: linear-gradient(to top, rgba(238, 243, 249, 0.96) 0%, rgba(238, 243, 249, 0.72) 75%, transparent 100%);
}
.prism-slide-tag {
  font: 600 0.62rem var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
}
.prism-slide-title {
  font: 700 1.05rem var(--font-sans);
  color: var(--ink);
  margin: 0.2rem 0 0.25rem;
}
.prism-slide-desc {
  font-size: 0.78rem;
  color: var(--ink-2);
  line-height: 1.45;
  margin: 0;
}
.prism-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  padding: 0 0.5rem;
  max-width: 520px;
  margin-inline: auto;
}
.prism-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  background: color-mix(in srgb, var(--paper) 60%, transparent);
  color: var(--ink);
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
}
.prism-nav-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  box-shadow: 0 0 12px rgb(var(--accent-rgb) / 0.25);
}
.prism-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}
.prism-dot {
  width: 18px;
  height: 4px;
  border-radius: var(--radius);
  background: var(--line-strong);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all 0.3s ease;
}
.prism-dot.is-active {
  width: 36px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}