/* ==========================================================================
   main.css — Architectural Portfolio System for charbelochoa.com
   Zero generic templates. Precision drafting grid, live canvas stages,
   interactive Bento kernels, and GSAP scroll-scrubbed mechanics.
   ========================================================================== */

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

html {
  background: var(--surface-0);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--surface-0);
  color: var(--ink-primary);
  min-height: 100svh;
  overflow-x: clip;
  position: relative;
  selection-background-color: var(--signal-cobalt);
}

::selection {
  background: color-mix(in oklab, var(--signal-cobalt) 28%, transparent);
  color: var(--ink-primary);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

.pixel-sprite {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* ---------- Subtle Drafting Dot-Matrix & Noise Backdrop ---------- */
.architectural-grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(var(--grid-dot) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 35%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 85% 75% at 50% 35%, #000 35%, transparent 100%);
}

/* ---------- Velocity-Deforming Precision Telemetry Cursor ---------- */
#reticle {
  position: fixed;
  top: 0;
  left: 0;
  width: 18px;
  height: 18px;
  margin-left: -9px;
  margin-top: -9px;
  border: 1.25px solid var(--signal-cobalt);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transition: width 0.28s var(--ease-spring), height 0.28s var(--ease-spring),
              margin 0.28s var(--ease-spring), border-radius 0.28s var(--ease-spring),
              background-color 0.25s var(--ease-out-quart);
  will-change: transform;
}

#reticle.is-hover {
  width: 44px;
  height: 44px;
  margin-left: -22px;
  margin-top: -22px;
  border-radius: 8px;
  background: color-mix(in oklab, var(--signal-cobalt) 16%, transparent);
}

@media (hover: none), (pointer: coarse) {
  #reticle { display: none !important; }
}

/* ---------- Fixed Right Scroll Telemetry Rail ---------- */
.scroll-rail {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  pointer-events: none;
}

.scroll-rail__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  writing-mode: vertical-rl;
  font-variant-numeric: tabular-nums;
}

.scroll-rail__track {
  width: 2px;
  height: 120px;
  background: var(--line-default);
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}

.scroll-rail__fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--signal-cobalt);
  transform-origin: top center;
  transform: scaleY(0);
}

@media (max-width: 900px) {
  .scroll-rail { display: none; }
}

/* ---------- Minimalist Top Architectural Bar ---------- */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: var(--glass-backdrop);
  border-bottom: 1px solid var(--line-subtle);
  transition: border-color 0.25s var(--ease-out-quart), box-shadow 0.25s var(--ease-out-quart);
}

.topbar.is-scrolled {
  border-bottom-color: var(--line-default);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.16);
}

.topbar__inner {
  max-width: var(--container-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal-ok);
  box-shadow: 0 0 10px var(--signal-ok);
  animation: 2.2s infinite dframe-dot-pulse;
}

.nav-indices {
  display: flex;
  align-items: center;
  gap: 1.65rem;
}

.nav-indices a {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  transition: color 0.25s var(--ease-out-quart);
  position: relative;
}

.nav-indices a:hover,
.nav-indices a.is-active {
  color: var(--ink-primary);
}

.nav-indices a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1.5px;
  background: var(--signal-cobalt);
}

.topbar__controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line-default);
  border-radius: var(--radius-pill);
  padding: 2px;
  background: var(--surface-1);
}

.lang-btn {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 4px 9px;
  border-radius: var(--radius-pill);
  color: var(--ink-muted);
  transition: background 0.22s var(--ease-spring), color 0.22s var(--ease-spring);
}

.lang-btn.is-active {
  background: var(--ink-primary);
  color: var(--surface-0);
}

.mode-btn {
  height: 28px;
  padding: 0 12px;
  border: 1px solid var(--line-default);
  border-radius: var(--radius-pill);
  background: var(--surface-1);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--ink-secondary);
  transition: border-color 0.22s var(--ease-out-quart), color 0.22s var(--ease-out-quart), background 0.22s;
}

.mode-btn:hover {
  border-color: var(--signal-cobalt);
  color: var(--ink-primary);
}

@media (max-width: 780px) {
  .nav-indices { display: none; }
}

/* ---------- Section Containers & Registration Marks ---------- */
main {
  position: relative;
  z-index: 1;
}

.shell {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.sec-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.1rem;
  margin-bottom: 2.25rem;
  border-bottom: 1px solid var(--line-default);
  position: relative;
}

.sec-head::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1.5px;
  width: 68px;
  height: 3px;
  background: var(--signal-cobalt);
}

.sec-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--signal-cobalt);
  text-transform: uppercase;
}

.sec-title {
  font-family: var(--font-sans);
  font-size: clamp(1.75rem, 3.4vw, 2.75rem);
  font-weight: 680;
  letter-spacing: -0.036em;
  line-height: 1.06;
}

.sec-coord {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   STAGE 00 — HERO: LIVE HALFTONE ASCII ENGINE + ORBIT & KALI DECK
   ========================================================================== */
.hero {
  min-height: min(100svh, 900px);
  padding-top: calc(var(--nav-h) + 1.15rem);
  padding-bottom: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.75rem;
  position: relative;
}

.hero__meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--line-subtle);
  padding-bottom: 0.65rem;
}

/* Dismissible Research Dispatch Pill (antigravity.google rc-pill style, zero emojis) */
.dispatch-pill-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.65rem;
}

.dispatch-pill-row.is-dismissed {
  display: none;
}

.dispatch-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 5px 8px 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-default);
  background: color-mix(in oklab, var(--surface-1) 82%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 12px;
  color: var(--ink-secondary);
  transition: border-color 0.22s var(--ease-out-quart), background 0.22s var(--ease-out-quart);
}

.dispatch-pill:hover {
  border-color: var(--signal-cobalt);
  background: var(--surface-2);
}

.dispatch-pill__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.dispatch-pill__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: color-mix(in oklab, var(--signal-cobalt) 20%, transparent);
  color: var(--signal-cobalt);
}

.dispatch-pill__text {
  font-weight: 480;
  letter-spacing: -0.01em;
  color: var(--ink-primary);
}

.dispatch-pill__icon {
  width: 14px;
  height: 14px;
  color: var(--signal-cobalt);
  flex-shrink: 0;
}

.dispatch-pill__close {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  transition: background 0.2s, color 0.2s;
}

.dispatch-pill__close:hover {
  background: var(--surface-3);
  color: var(--ink-primary);
}

.hero__ascii-stage {
  position: relative;
  width: 100%;
  margin: auto 0;
  padding: 0.5rem 0;
  cursor: crosshair;
}

#ascii-canvas {
  display: block;
  width: 100%;
  height: clamp(136px, 26svh, 245px);
}

.hero__ascii-hint {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  color: var(--ink-muted);
}

.hero__deck {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: end;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-default);
  position: relative;
}

.hero__deck::before {
  content: "";
  position: absolute;
  top: -1.5px;
  left: 0;
  width: 84px;
  height: 3px;
  background: var(--signal-cobalt);
}

.bounding {
  overflow: hidden;
  padding-bottom: 6px;
}

.hero__domains {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 1.8vw, 1.42rem);
  font-weight: 560;
  letter-spacing: -0.025em;
  color: var(--ink-primary);
}

.hero__domains span.sep {
  color: var(--signal-cobalt);
  font-family: var(--font-mono);
  font-weight: 400;
}

.hero__telemetry-strip {
  margin-top: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}

.hero__telemetry-strip b {
  color: var(--ink-secondary);
  font-weight: 500;
}

.hero__orbit-stage {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hero__orbit-sprite {
  width: min(325px, 100%);
  height: auto;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.30));
}

@media (max-width: 860px) {
  .hero__deck {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .hero__orbit-stage {
    justify-content: center;
  }
}

/* ==========================================================================
   STAGE 01 — PINNED GSAP SCROLL-SCRUBBED PIXEL FLIGHT & TENSOR SEQUENCE
   (AirPods-Pro-style scroll-scrubbed object crossing & morphing on scroll)
   ========================================================================== */
.scroll-theatre {
  position: relative;
  width: 100%;
  border-top: 1px solid var(--line-subtle);
  border-bottom: 1px solid var(--line-subtle);
  background:
    linear-gradient(180deg, transparent 0%, color-mix(in oklab, var(--surface-1) 60%, transparent) 50%, transparent 100%);
}

.scroll-theatre__pin {
  height: min(100svh, 900px);
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--nav-h) + 1.25rem) var(--gutter) 1.6rem;
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
}

.theatre-hud-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  z-index: 3;
}

.phase-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.phase-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 5px 11px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-default);
  color: var(--ink-muted);
  background: var(--surface-1);
  transition: border-color 0.25s var(--ease-out-quart), color 0.25s var(--ease-out-quart), background 0.25s var(--ease-out-quart);
}

.phase-pill.is-active {
  border-color: var(--signal-cobalt);
  color: var(--ink-primary);
  background: color-mix(in oklab, var(--signal-cobalt) 14%, var(--surface-1));
}

.theatre-readout {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.07em;
  color: var(--ink-secondary);
  font-variant-numeric: tabular-nums;
}

.theatre-readout span em {
  font-style: normal;
  color: var(--ink-muted);
  margin-right: 6px;
}

.theatre-canvas-wrap {
  position: relative;
  flex: 1;
  min-height: 320px;
  width: 100%;
  margin: 0.85rem 0;
  border: 1px solid var(--line-default);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--surface-void) 72%, transparent);
  overflow: hidden;
}

/* Corner Blueprint Crosshairs */
.theatre-canvas-wrap::before,
.theatre-canvas-wrap::after {
  content: "+";
  position: absolute;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--signal-cobalt);
  z-index: 3;
  line-height: 1;
}
.theatre-canvas-wrap::before { top: 8px; left: 10px; }
.theatre-canvas-wrap::after { bottom: 8px; right: 10px; }

#flight-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.theatre-hud-bottom {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  z-index: 3;
}

.hud-metric {
  border-left: 2px solid var(--line-strong);
  padding-left: 0.85rem;
  transition: border-color 0.25s var(--ease-out-quart);
}

.hud-metric.is-lit {
  border-left-color: var(--signal-cobalt);
}

.hud-metric__k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  display: block;
}

.hud-metric__v {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
}

@media (max-width: 720px) {
  .theatre-hud-bottom {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .theatre-readout { display: none; }
}

/* ==========================================================================
   STAGE 02 — ARCHITECTURAL BENTO ECOSYSTEM GRID (AI, DL, HACKER, CV, AGENTS)
   ========================================================================== */
.section-block {
  padding: clamp(4.5rem, 8vw, 7.5rem) 0;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.bento-card {
  --mx: 50%;
  --my: 50%;
  position: relative;
  border-radius: var(--radius-md);
  background: var(--surface-1);
  border: 1px solid var(--line-default);
  padding: 1.4rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.35s var(--ease-spring), border-color 0.3s var(--ease-out-quart);
}

.bento-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(480px circle at var(--mx) var(--my), var(--spotlight-glow), transparent 65%);
  opacity: 0;
  transition: opacity 0.35s var(--ease-out-quart);
  pointer-events: none;
}

.bento-card:hover::before {
  opacity: 1;
}

.bento-card:hover {
  border-color: color-mix(in oklab, var(--signal-cobalt) 45%, var(--line-default));
}

.span-7 { grid-column: span 7; }
.span-5 { grid-column: span 5; }
.span-4 { grid-column: span 4; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

@media (max-width: 1024px) {
  .span-7, .span-5, .span-8 { grid-column: span 12; }
  .span-4 { grid-column: span 6; }
}
@media (max-width: 680px) {
  .span-4 { grid-column: span 12; }
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 2;
}

.card-index {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--signal-cobalt);
  text-transform: uppercase;
}

.card-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--line-default);
  color: var(--ink-muted);
}

.card-title {
  font-size: 1.22rem;
  font-weight: 640;
  letter-spacing: -0.025em;
  margin-bottom: 0.85rem;
  position: relative;
  z-index: 2;
}

/* --- Bento A: Live Self-Attention Sandbox --- */
.attn-tokens {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 0.9rem;
  position: relative;
  z-index: 2;
}

.token-chip {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 5px 10px;
  border-radius: 5px;
  border: 1px solid var(--line-default);
  background: var(--surface-0);
  color: var(--ink-secondary);
  transition: all 0.2s var(--ease-spring);
}

.token-chip.is-selected,
.token-chip:hover {
  border-color: var(--signal-cobalt);
  color: var(--ink-primary);
  background: color-mix(in oklab, var(--signal-cobalt) 18%, var(--surface-0));
}

.attn-stage {
  display: grid;
  grid-template-columns: 1fr 165px;
  gap: 1rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

#attention-canvas {
  width: 100%;
  height: 176px;
  display: block;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-subtle);
  background: var(--surface-void);
}

.attn-formula-panel {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
}

.attn-formula-panel .eq {
  color: var(--ink-primary);
  font-size: 11.5px;
  line-height: 1.45;
  padding: 8px;
  border-left: 2px solid var(--signal-cobalt);
  background: var(--surface-0);
}

.pixel-tensor-mini {
  width: 112px;
  margin: 0 auto;
}

@media (max-width: 600px) {
  .attn-stage { grid-template-columns: 1fr; }
}

/* --- Bento B: Interactive Kali / Arch Hacker Terminal --- */
.terminal-box {
  background: var(--surface-void);
  border: 1px solid var(--line-default);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11.5px;
  display: flex;
  flex-direction: column;
  height: 245px;
  position: relative;
  z-index: 2;
}

.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-bottom: 1px solid var(--line-subtle);
  background: var(--surface-2);
  font-size: 10.5px;
  color: var(--ink-muted);
}

.terminal-dots {
  display: flex;
  gap: 5px;
}

.terminal-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: block;
  background: var(--line-strong);
}
.terminal-dots i:first-child { background: var(--signal-ember); }
.terminal-dots i:last-child { background: var(--signal-cobalt); }

.terminal-log {
  flex: 1;
  padding: 10px 12px;
  overflow-y: auto;
  line-height: 1.55;
  color: var(--ink-secondary);
  white-space: pre-wrap;
}

.terminal-log .prompt-k { color: var(--signal-ember); font-weight: 600; }
.terminal-log .prompt-p { color: var(--signal-cobalt); }
.terminal-log .out-hi { color: var(--ink-primary); }
.terminal-log .term-out-line { margin-bottom: 8px; }

.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-top: 1px solid var(--line-subtle);
}

.terminal-input-row span {
  color: var(--signal-ember);
  font-weight: 600;
}

#term-input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--ink-primary);
  font-family: var(--font-mono);
  font-size: 11.5px;
}

.term-quick-cmds {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 0.7rem;
  position: relative;
  z-index: 2;
}

.cmd-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--line-default);
  background: var(--surface-0);
  color: var(--ink-muted);
  transition: border-color 0.2s, color 0.2s;
}

.cmd-pill:hover {
  border-color: var(--signal-cobalt);
  color: var(--ink-primary);
}

/* --- Bento C, D, E Canvases & Pixel Showcase --- */
.mini-canvas {
  width: 100%;
  height: 175px;
  display: block;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-subtle);
  background: var(--surface-void);
  position: relative;
  z-index: 2;
  cursor: crosshair;
}

.koi-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  cursor: default;
}

.koi-sprite {
  max-height: 132px;
  width: auto;
}

.card-foot-meta {
  margin-top: 0.75rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
  position: relative;
  z-index: 2;
}

/* --- Pixel Ecosystem Strip inside Bento --- */
.pixel-showcase {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr 1fr;
  align-items: center;
  gap: 1.25rem;
  padding: 0.5rem 0;
  position: relative;
  z-index: 2;
}

.pixel-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-subtle);
  background: var(--surface-0);
}

.pixel-slot img {
  height: 112px;
  width: auto;
  object-fit: contain;
}

.pixel-slot span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  text-transform: uppercase;
}

@media (max-width: 860px) {
  .pixel-showcase {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   STAGE 03 — KINETIC REPOSITORY INDEX (GSAP Hover Schematic + Focus Scale)
   ========================================================================== */
.repo-list {
  border-top: 1px solid var(--line-default);
}

.repo-row {
  display: grid;
  grid-template-columns: 64px 1.6fr 1fr 90px;
  align-items: center;
  gap: 1rem;
  padding: 1.35rem 0.6rem;
  border-bottom: 1px solid var(--line-default);
  transition: opacity 0.3s var(--ease-out-quart), transform 0.35s var(--ease-spring),
              padding-left 0.35s var(--ease-spring), background-color 0.25s;
  position: relative;
}

.repo-list.has-hover .repo-row:not(:hover) {
  opacity: 0.38;
}

.repo-row:hover {
  padding-left: 1.25rem;
  background: color-mix(in oklab, var(--surface-1) 65%, transparent);
}

.repo-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--signal-cobalt);
  font-variant-numeric: tabular-nums;
}

.repo-name {
  font-size: clamp(1.18rem, 2.1vw, 1.65rem);
  font-weight: 640;
  letter-spacing: -0.028em;
}

.repo-stack {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.repo-arrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-secondary);
  text-align: right;
  letter-spacing: 0.06em;
}

@media (max-width: 720px) {
  .repo-row {
    grid-template-columns: 44px 1fr auto;
  }
  .repo-stack { display: none; }
}

/* Floating Cursor-Following Schematic Card (inspired by Portfolio-GSAP) */
#project-preview {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 172px;
  pointer-events: none;
  z-index: 95;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.88);
  border-radius: var(--radius-md);
  border: 1px solid var(--signal-cobalt);
  background: var(--surface-void);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  will-change: transform, opacity;
}

#preview-canvas {
  width: 100%;
  height: 118px;
  display: block;
}

.preview-caption {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-secondary);
}

@media (hover: none), (pointer: coarse) {
  #project-preview { display: none !important; }
}

/* ==========================================================================
   PILL CTA SYSTEM (inspired by antigravity.google pill controls)
   ========================================================================== */
.pill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: transform 0.24s var(--ease-spring), background 0.22s var(--ease-out-quart),
              border-color 0.22s var(--ease-out-quart), color 0.22s var(--ease-out-quart);
}

.pill-btn:hover {
  transform: translateY(-1px);
}

.pill-btn--primary {
  background: var(--surface-invert);
  color: var(--ink-invert);
  border: 1px solid var(--surface-invert);
}

.pill-btn--primary:hover {
  background: color-mix(in oklab, var(--surface-invert) 88%, var(--signal-cobalt));
}

.pill-btn--ghost {
  background: var(--surface-1);
  color: var(--ink-primary);
  border: 1px solid var(--line-default);
}

.pill-btn--ghost:hover {
  border-color: var(--signal-cobalt);
  background: var(--surface-2);
}

.pill-btn--danger {
  background: transparent;
  color: var(--signal-ember);
  border: 1px solid color-mix(in oklab, var(--signal-ember) 50%, var(--line-default));
}

.pill-btn--xs {
  height: 26px;
  padding: 0 11px;
  font-size: 10px;
}

/* ==========================================================================
   STAGE 03 — RESEARCH FORUM & DISPATCHES (#forum)
   ========================================================================== */
.forum-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

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

.forum-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 34px;
  padding: 0 13px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-default);
  background: var(--surface-1);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-secondary);
  transition: all 0.22s var(--ease-spring);
}

.forum-pill:hover {
  border-color: var(--signal-cobalt);
  color: var(--ink-primary);
}

.forum-pill.is-active {
  background: var(--surface-invert);
  color: var(--ink-invert);
  border-color: var(--surface-invert);
}

.pill-count {
  font-size: 10px;
  opacity: 0.72;
  font-variant-numeric: tabular-nums;
}

.forum-actions-right {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.forum-search-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.forum-search-icon {
  position: absolute;
  left: 12px;
  width: 13px;
  height: 13px;
  color: var(--ink-muted);
  pointer-events: none;
}

#forum-search {
  height: 36px;
  width: 220px;
  padding: 0 14px 0 32px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-default);
  background: var(--surface-1);
  color: var(--ink-primary);
  font-family: var(--font-mono);
  font-size: 11.5px;
  outline: none;
  transition: border-color 0.22s var(--ease-out-quart), width 0.28s var(--ease-spring);
}

#forum-search:focus {
  border-color: var(--signal-cobalt);
  width: 265px;
}

.forum-feed {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

@media (max-width: 920px) {
  .forum-feed {
    grid-template-columns: 1fr;
  }
}

.forum-card {
  position: relative;
  padding: 1.45rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-default);
  background: var(--surface-1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.9rem;
  cursor: pointer;
  outline: none;
  transition: transform 0.3s var(--ease-spring), border-color 0.25s var(--ease-out-quart),
              background 0.25s var(--ease-out-quart);
}

.forum-card.is-pinned {
  grid-column: 1 / -1;
  border-color: color-mix(in oklab, var(--signal-cobalt) 42%, var(--line-default));
  background:
    linear-gradient(135deg, color-mix(in oklab, var(--signal-cobalt) 8%, var(--surface-1)) 0%, var(--surface-1) 60%);
}

.forum-card:hover,
.forum-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--signal-cobalt);
}

.forum-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
}

.forum-card__meta-left,
.forum-card__meta-right {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.forum-id {
  color: var(--signal-cobalt);
  font-weight: 600;
}

.forum-cat {
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-default);
  color: var(--ink-secondary);
  background: var(--surface-0);
}

.forum-flag {
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-weight: 600;
}

.forum-flag.is-pin {
  background: color-mix(in oklab, var(--signal-cobalt) 18%, transparent);
  color: var(--signal-cobalt);
}

.forum-flag.is-draft {
  background: color-mix(in oklab, var(--signal-ember) 20%, transparent);
  color: var(--signal-ember);
}

.forum-date,
.forum-read {
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}

.forum-card__title {
  font-size: clamp(1.18rem, 1.8vw, 1.48rem);
  font-weight: 650;
  letter-spacing: -0.028em;
  line-height: 1.22;
  color: var(--ink-primary);
}

.forum-card__summary {
  font-size: 0.96rem;
  line-height: 1.55;
  color: var(--ink-secondary);
}

.forum-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line-subtle);
}

.forum-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.forum-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-muted);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--surface-0);
  border: 1px solid var(--line-subtle);
}

.forum-open-cta {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--signal-cobalt);
}

.forum-empty {
  grid-column: 1 / -1;
  padding: 2.5rem;
  text-align: center;
  border: 1px dashed var(--line-default);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
}

/* ---------- Modal Dialogs (Thread Reader & Author Studio Composer) ---------- */
body.modal-locked {
  overflow: hidden;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(8, 10, 14, 0.74);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 3vw, 2.5rem);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease-out-quart);
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  width: min(820px, 100%);
  max-height: 88svh;
  overflow-y: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  background: var(--surface-0);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.55);
  padding: clamp(1.35rem, 3vw, 2.25rem);
  transform: translateY(14px) scale(0.98);
  transition: transform 0.3s var(--ease-spring);
}

.modal-backdrop.is-open .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.9rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--line-default);
}

.modal-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--signal-cobalt);
}

.thread-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  margin-bottom: 0.85rem;
}

.thread-title {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 690;
  letter-spacing: -0.032em;
  line-height: 1.15;
  margin-bottom: 1.15rem;
}

.thread-prose {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  font-size: 1.02rem;
  line-height: 1.68;
  color: var(--ink-secondary);
}

.thread-equation {
  margin-top: 1.25rem;
  padding: 0.95rem 1.1rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--signal-cobalt);
  background: var(--surface-1);
  overflow-x: auto;
}

.thread-block-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  margin-bottom: 5px;
}

.thread-equation code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-primary);
  white-space: pre;
}

.thread-code {
  margin-top: 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-default);
  background: var(--surface-void);
  overflow: hidden;
}

.thread-code__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 12px;
  border-bottom: 1px solid var(--line-subtle);
  background: var(--surface-1);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-muted);
}

.thread-code pre {
  padding: 12px 14px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
  color: var(--ink-primary);
}

.thread-tags {
  margin-top: 1.25rem;
}

.thread-actions {
  margin-top: 1.5rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line-default);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

/* Author Studio Form */
.composer-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.composer-row {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 680px) {
  .composer-row {
    grid-template-columns: 1fr;
  }
}

.field-label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.field-input,
.field-textarea,
.field-select {
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-default);
  background: var(--surface-1);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  font-size: 13.5px;
  outline: none;
  transition: border-color 0.2s;
}

.field-mono {
  font-family: var(--font-mono);
  font-size: 12px;
}

.field-input:focus,
.field-textarea:focus,
.field-select:focus {
  border-color: var(--signal-cobalt);
}

.composer-note {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: var(--ink-muted);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--surface-1);
  border-left: 2px solid var(--signal-cobalt);
}

.composer-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line-default);
}

.composer-actions__left,
.composer-actions__right {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ==========================================================================
   STAGE 05 — ROUNDED SHOWCASE FOOTER & DIRECT SIGNAL (antigravity.google style)
   ========================================================================== */
.site-footer {
  padding: 2rem 0 3rem;
}

.signal-showcase {
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-strong);
  background: var(--surface-1);
  padding: clamp(2rem, 4.5vw, 3.5rem);
  position: relative;
  overflow: hidden;
}

.signal-showcase::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(640px circle at 92% 12%, var(--spotlight-glow), transparent 70%);
  pointer-events: none;
}

.signal-tag {
  margin-bottom: 0.9rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.footer-domain {
  font-size: clamp(2.1rem, 5.5vw, 4.4rem);
  font-weight: 740;
  letter-spacing: -0.042em;
  line-height: 0.98;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.signal-link {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-default);
  background: var(--surface-0);
  transition: border-color 0.22s var(--ease-out-quart), transform 0.25s var(--ease-spring), background 0.22s;
}

.signal-link:hover {
  border-color: var(--signal-cobalt);
  transform: translateY(-2px);
  background: var(--surface-2);
}

.signal-link--invert {
  background: var(--surface-invert);
  color: var(--ink-invert);
  border-color: var(--surface-invert);
  font-weight: 600;
}

.signal-link--invert:hover {
  background: color-mix(in oklab, var(--surface-invert) 88%, var(--signal-cobalt));
}

.footer-bar {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-subtle);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.07em;
  font-variant-numeric: tabular-nums;
}

.toast-copied {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  opacity: 0;
  pointer-events: none;
  z-index: 400;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  background: var(--surface-invert);
  color: var(--ink-invert);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  transition: opacity 0.25s, transform 0.25s var(--ease-spring);
}

.toast-copied.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

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