/* ============================================================
   EQ1024 · FIELD MANUAL / TECHNICAL SCHEMATIC — V2.0
   Cold gunmetal + industrial safety orange.
   Hard edges. No radius. Drafting-sheet discipline.
   ============================================================ */

/* ------------------------------------------------------------
   Font Face — all self-hosted
   Anton (display) + OPPO Sans (body) + Maple Mono (code)
   ------------------------------------------------------------ */
@font-face {
  font-family: "Anton";
  src: url("/fonts/Anton-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "OPPO Sans";
  src: url("/fonts/OPPOSans-4.0-subset.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Maple Mono";
  src: url("/fonts/MapleMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --bg: #0b0d10;
  --bg-alt: #0e1116;
  --surface: #12161c;
  --card: #131820;

  --border: #222a34;
  --border-light: #2e3846;

  --grid: rgba(148, 170, 195, 0.055);
  --grid-strong: rgba(148, 170, 195, 0.10);

  --t-caption: #5c6672;
  --t-muted: #7f8a96;
  --t-secondary: #a9b3bf;
  --t-primary: #d4dbe3;
  --t-bright: #f2f5f9;

  --accent: #ff5c1a;
  --accent-dim: rgba(255, 92, 26, 0.28);
  --accent-ghost: rgba(255, 92, 26, 0.06);
  --on-accent: #0b0d10;
  --ok: #3ddc84;

  --nav-bg: rgba(11, 13, 16, 0.9);

  --font-display: "Anton", "Arial Narrow", sans-serif;
  --font-mono: "Maple Mono", "SF Mono", "Cascadia Code", "Fira Code", monospace;
  --font-body: "OPPO Sans", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --gap: clamp(84px, 11vh, 120px);
  --max: 1180px;
  --narrow: 760px;
}

/* ============================================================
   LIGHT THEME — blueprint paper
   ============================================================ */
[data-theme="light"] {
  --bg: #edeff1;
  --bg-alt: #e7eaec;
  --surface: #ffffff;
  --card: #ffffff;

  --border: #c9ced3;
  --border-light: #b4bbc2;

  --grid: rgba(30, 45, 62, 0.07);
  --grid-strong: rgba(30, 45, 62, 0.13);

  --t-caption: #8b939c;
  --t-muted: #66707b;
  --t-secondary: #3f4852;
  --t-primary: #1b2129;
  --t-bright: #0a0d11;

  --accent: #e04a0c;
  --accent-dim: rgba(224, 74, 12, 0.3);
  --accent-ghost: rgba(224, 74, 12, 0.06);
  --on-accent: #ffffff;
  --ok: #0e9e5c;

  --nav-bg: rgba(237, 239, 241, 0.92);
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
  color: var(--t-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  background: var(--bg);
  overflow-x: hidden;
}

a {
  color: var(--t-primary);
  text-decoration: none;
  transition: color 0.2s;
}

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

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4.5vw, 48px);
  position: relative;
  z-index: 1;
}

.narrow {
  max-width: var(--narrow);
}

/* Section unit — border-top ledger + index header */
.sec {
  border-top: 1px solid var(--border);
}

.sec__inner {
  padding-top: clamp(64px, 9vh, 96px);
  padding-bottom: clamp(64px, 9vh, 96px);
}

.sec__head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: clamp(36px, 5vh, 56px);
}

.sec__no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.sec__name {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--t-bright);
}

.sec__rule {
  flex: 1;
  height: 1px;
  background: var(--border);
  position: relative;
}

.sec__rule::after {
  content: '';
  position: absolute;
  right: 0;
  top: -2px;
  width: 5px;
  height: 5px;
  background: var(--border-light);
}

.sec__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--t-bright);
  line-height: 1.1;
  margin-bottom: clamp(30px, 4vh, 44px);
}

.sec__title em {
  color: var(--accent);
  font-style: normal;
}

/* ============================================================
   NAV — instrument bar
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}

.nav--onscroll {
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}

.nav .container {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  height: 54px;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--t-bright);
}

.nav__brand:hover {
  color: var(--t-bright);
}

.nav__brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0;
}

.nav__brand-ver {
  font-size: 0.62rem;
  font-weight: 400;
  color: var(--t-caption);
  letter-spacing: 0.08em;
}

.nav__links {
  display: flex;
  list-style: none;
  align-items: stretch;
  height: 100%;
}

.nav__links li {
  display: flex;
  align-items: center;
  border-left: 1px solid transparent;
}

.nav__links a,
.nav__theme-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 100%;
  padding: 0 16px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--t-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.nav__links a i {
  font-style: normal;
  color: var(--accent);
  font-size: 0.58rem;
}

.nav__links a:hover,
.nav__theme-btn:hover {
  color: var(--t-bright);
  background: var(--accent-ghost);
}

.nav__theme-btn {
  border-left: 1px solid var(--border) !important;
  color: var(--t-secondary);
}

/* Hamburger — mobile only */
.nav__burger {
  display: none;
}

@media (max-width: 640px) {
  .nav__links {
    display: none;
  }

  .nav__brand-ver {
    display: none;
  }

  .nav__burger {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 54px;
    height: 54px;
    margin-left: auto;
    padding: 0;
    background: none;
    border: none;
    border-left: 1px solid var(--border);
    cursor: pointer;
  }

  .nav__burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--t-secondary);
    transition: background 0.2s, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s;
  }

  .nav__burger:hover span {
    background: var(--accent);
  }

  /* Morph to an X when the drawer is open */
  .nav__burger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav__burger.is-open span:nth-child(2) {
    opacity: 0;
  }

  .nav__burger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* ---- Mobile off-screen drawer (<640px) ---- */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgba(5, 7, 9, 0.6);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s, visibility 0s linear 0.3s;
}

.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  width: min(300px, 84vw);
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-shadow: -14px 0 40px rgba(0, 0, 0, 0.35);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

body.menu-open .nav-overlay {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.3s;
}

body.menu-open .nav-drawer {
  transform: translateX(0);
}

.nav-drawer__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 22px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.nav-drawer__no {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--accent);
}

.nav-drawer__title {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--t-caption);
}

.nav-drawer__links {
  flex: 1;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-y: auto;
}

.nav-drawer__links li {
  border-bottom: 1px solid var(--border);
}

.nav-drawer__links a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--t-muted);
  transition: color 0.2s, background 0.2s, padding-left 0.2s;
}

.nav-drawer__links a i {
  font-style: normal;
  font-size: 0.62rem;
  color: var(--accent);
}

.nav-drawer__links a:hover {
  padding-left: 26px;
  color: var(--t-bright);
  background: var(--accent-ghost);
}

.nav-drawer__foot {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
}

.nav-drawer__theme {
  width: 100%;
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--t-secondary);
  background: var(--accent-ghost);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.nav-drawer__theme:hover {
  color: var(--t-bright);
  background: var(--accent-dim);
}

/* ============================================================
   HERO — title block on a schematic sheet
   ============================================================ */
.hero {
  /* 100svh = small viewport: with the mobile URL bar visible, the hero's
     coordinate space matches the fixed nav (100vh would be taller, pushing
     the hero's absolute elements up under the transparent nav) */
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
  /* Buffer: if content outgrows short viewports (landscape phones),
     flex-end overflow is clipped from the top — absorb it above the title block */
  padding-top: 64px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

/* Blueprint grid — fine + major lines */
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px),
    linear-gradient(to right, var(--grid-strong) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-strong) 1px, transparent 1px);
  background-size: 36px 36px, 36px 36px, 180px 180px, 180px 180px;
}

/* Dimmer in light theme keeps the Anton type dominant */
[data-theme="light"] .hero__grid {
  opacity: 0.55;
}

/* Canvas wireframe — rotating tesseract */
.hero__wire {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 52%;
  z-index: 1;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero__wire {
    display: none;
  }
}

/* Sheet metadata — top corners */
.hero__meta {
  position: absolute;
  top: 74px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--t-caption);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero__meta--tl {
  left: clamp(20px, 4.5vw, 48px);
}

.hero__meta--tr {
  right: clamp(20px, 4.5vw, 48px);
}

.hero__meta b {
  color: var(--t-muted);
  font-weight: 500;
}

/* Radar blip — square node + expanding ping ring */
.hero__meta-cursor {
  position: relative;
  width: 7px;
  height: 7px;
  background: var(--accent);
  flex-shrink: 0;
  box-shadow: 0 0 7px var(--accent-dim);
}

.hero__meta-cursor::after {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1px solid var(--accent);
  animation: ping 1.8s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
  0% {
    transform: scale(0.4);
    opacity: 0.9;
  }

  70%,
  100% {
    transform: scale(1.7);
    opacity: 0;
  }
}

/* Vertical coords — sheet edges */
.hero__coords {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--t-caption);
  writing-mode: vertical-rl;
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero__coords--l {
  left: 14px;
  transform: translateY(-50%) rotate(180deg);
}

.hero__coords--r {
  right: 14px;
}

.hero__coords::before,
.hero__coords::after {
  content: '';
  width: 1px;
  height: 60px;
  background: var(--border-light);
}

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

/* Title-block frame — like an engineering drawing title block */
.hero__block {
  position: relative;
  z-index: 3;
  border: 1px solid var(--border-light);
  background: var(--bg);
  margin-bottom: clamp(48px, 8vh, 88px);
  max-width: 860px;
}

.hero__block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--t-muted);
  flex-wrap: wrap;
}

.hero__block-head b {
  color: var(--accent);
  font-weight: 700;
}

.hero__block-body {
  padding: clamp(26px, 4vw, 44px) clamp(18px, 3vw, 36px) clamp(24px, 3.4vw, 38px);
}

/* The oversized display line */
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(4.6rem, 15vw, 12.5rem);
  line-height: 0.86;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--t-bright);
  margin: 6px 0 14px;
  position: relative;
  display: inline-block;
}

/* Registration cross at title's top-right */
.hero__title::before,
.hero__title::after {
  content: '';
  position: absolute;
  background: var(--accent);
}

.hero__title::before {
  top: -14px;
  right: -22px;
  width: 1px;
  height: 16px;
}

.hero__title::after {
  top: -7px;
  right: -30px;
  width: 16px;
  height: 1px;
}

.hero__spec {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--t-secondary);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero__spec span {
  display: inline-flex;
  align-items: center;
}

.hero__spec span+span::before {
  content: '//';
  color: var(--accent);
  margin: 0 12px;
  font-size: 0.66rem;
}

.hero__byline {
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--t-secondary);
  max-width: 600px;
  margin-bottom: 26px;
}

.hero__byline strong {
  color: var(--t-primary);
  font-weight: 600;
}

/* Parameter strip — stats as spec-sheet cells */
.hero__params {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
  margin-bottom: 26px;
}

.hero__param {
  padding: 14px 16px 12px;
  border-left: 1px solid var(--border);
}

.hero__param:first-child {
  border-left: none;
}

.hero__param-k {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--t-caption);
  margin-bottom: 5px;
}

.hero__param-v {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.7rem);
  letter-spacing: 0.02em;
  color: var(--t-bright);
  line-height: 1;
}

.hero__param-v em {
  color: var(--accent);
  font-style: normal;
}

.hero__param-s {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--t-muted);
  letter-spacing: 0.04em;
  margin-top: 5px;
}

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

  .hero__param {
    border-left: none;
    border-top: 1px solid var(--border);
  }

  .hero__param:first-child {
    border-top: none;
  }
}

/* CTAs — hard industrial buttons */
.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 13px 22px;
  border: 1px solid var(--border-light);
  color: var(--t-secondary);
  background: transparent;
  transition: background 0.18s, color 0.18s, border-color 0.18s, transform 0.18s;
  cursor: pointer;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-ghost);
}

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.btn--primary:hover {
  background: var(--t-bright);
  border-color: var(--t-bright);
  color: var(--bg);
}

.hero__status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t-muted);
  padding: 13px 4px;
}

.hero__status-dot {
  position: relative;
  width: 7px;
  height: 7px;
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
  flex-shrink: 0;
}

.hero__status-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1px solid var(--ok);
  animation: ping 2.2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

/* Scroll cue at hero bottom-right */
.hero__scrollcue {
  position: absolute;
  right: clamp(20px, 4.5vw, 48px);
  bottom: 18px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.24em;
  color: var(--t-caption);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero__scrollcue::after {
  content: '';
  width: 44px;
  height: 1px;
  background: var(--accent);
  animation: cue-slide 2.4s ease-in-out infinite;
  transform-origin: left;
}

@keyframes cue-slide {

  0%,
  100% {
    transform: scaleX(0.3);
    opacity: 0.4;
  }

  50% {
    transform: scaleX(1);
    opacity: 1;
  }
}

@media (max-width: 900px) {
  .hero__block {
    margin-bottom: 72px;
  }

  .hero__wire {
    width: 100%;
    opacity: 0.4;
  }
}

@media (max-width: 640px) {
  /* Top-down flow: content grows downward instead of flex-end clipping
     the title block up into the sheet metadata */
  .hero {
    justify-content: flex-start;
    padding-top: 0;
  }

  /* Corner labels stack on two lines — they overlap at narrow widths */
  .hero__meta--tr {
    top: 96px;
  }

  /* Title block clears both label lines */
  .hero__block {
    margin-top: 132px;
    margin-bottom: 48px;
  }
}

/* ============================================================
   MARQUEE — parts ledger
   ============================================================ */
.ledger {
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  padding: 13px 0;
  background: var(--bg-alt);
  position: relative;
}

.ledger__track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: ledger-scroll 36s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .ledger__track {
    animation: none;
  }
}

.ledger__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 26px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--t-muted);
  white-space: nowrap;
}

.ledger__item::after {
  content: '+';
  color: var(--accent);
  margin-left: 26px;
  font-size: 0.72rem;
}

@keyframes ledger-scroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

/* ============================================================
   ABOUT — profile sheet
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: clamp(36px, 5vw, 72px);
}

@media (max-width: 860px) {
  .about__grid {
    grid-template-columns: 1fr;
  }
}

.about__panel {
  border: 1px solid var(--border);
  background: var(--card);
}

.about__panel-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.about__panel-row:last-child {
  border-bottom: none;
}

.about__panel-row dt {
  color: var(--t-caption);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  flex-shrink: 0;
}

.about__panel-row dd {
  color: var(--t-primary);
  text-align: right;
}

.about__panel-row dd em {
  color: var(--accent);
  font-style: normal;
}

/* ============================================================
   PROSE — for about text & blog content
   ============================================================ */
.prose {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--t-secondary);
  max-width: 640px;
}

.prose strong {
  color: var(--t-primary);
  font-weight: 600;
}

.prose em {
  color: var(--accent);
  font-style: normal;
}

.about .prose+.prose {
  margin-top: 18px;
}

/* ============================================================
   CAREER — service record table
   ============================================================ */
.record {
  border-top: 1px solid var(--border);
}

.record__head,
.record__row {
  display: grid;
  grid-template-columns: 52px 130px minmax(0, 1fr) 110px;
  gap: 16px;
  align-items: start;
  padding: 18px 14px;
  border-bottom: 1px solid var(--border);
}

.record__head {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--t-caption);
  background: var(--bg-alt);
}

.record__row {
  position: relative;
  transition: background 0.2s;
}

.record__row:hover {
  background: var(--accent-ghost);
}

.record__row:hover .record__rev {
  background: var(--accent);
  color: var(--on-accent);
}

.record__rev {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--t-bright);
  border: 1px solid var(--border-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  transition: background 0.2s, color 0.2s;
}

.record__date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--t-muted);
  letter-spacing: 0.03em;
  padding-top: 4px;
}

.record__date b {
  display: block;
  color: var(--t-caption);
  font-weight: 400;
  font-size: 0.62rem;
  margin-top: 2px;
}

.record__role {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--t-bright);
  line-height: 1.5;
}

.record__role span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-top: 4px;
}

.record__detail {
  font-size: 0.85rem;
  line-height: 1.72;
  color: var(--t-secondary);
}

.record__detail strong {
  color: var(--t-primary);
  font-weight: 600;
}

.record__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.05em;
  color: var(--t-muted);
  padding: 3px 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  white-space: nowrap;
}

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

  .record__row {
    grid-template-columns: 48px 1fr;
    gap: 6px 14px;
  }

  .record__rev {
    grid-row: span 3;
    width: 48px;
  }
}

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

  .record__rev {
    grid-row: auto;
    width: 48px;
  }
}

/* ============================================================
   WORK — spec sheets
   ============================================================ */
.spec {
  border: 1px solid var(--border-light);
  background: var(--card);
  margin-bottom: clamp(30px, 4vh, 44px);
  position: relative;
}

.spec:last-child {
  margin-bottom: 0;
}

.spec__head {
  display: grid;
  grid-template-columns: 76px 1fr auto;
  align-items: stretch;
  border-bottom: 1px solid var(--border);
}

.spec__no {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.03em;
}

.spec__titlebox {
  padding: 16px 20px 14px;
}

.spec__name {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--t-bright);
  line-height: 1.1;
}

.spec__role {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-top: 6px;
  text-transform: uppercase;
}

.spec__stamp {
  display: flex;
  align-items: center;
  padding: 0 22px;
  border-left: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--ok);
  text-transform: uppercase;
  white-space: nowrap;
}

@media (max-width: 560px) {
  .spec__stamp {
    display: none;
  }

  .spec__head {
    grid-template-columns: 56px 1fr;
  }
}

.spec__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.spec__cell {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

.spec__cell:nth-child(odd) {
  border-right: 1px solid var(--border);
}

.spec__cell:nth-last-child(-n+2) {
  border-bottom: none;
}

.spec__cell-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--t-caption);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.spec__cell-label::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--accent);
  flex-shrink: 0;
}

.spec__cell-text {
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--t-secondary);
}

.spec__cell-text strong {
  color: var(--t-primary);
  font-weight: 600;
}

@media (max-width: 760px) {
  .spec__grid {
    grid-template-columns: 1fr;
  }

  .spec__cell:nth-child(odd) {
    border-right: none;
  }

  .spec__cell:nth-last-child(2) {
    border-bottom: 1px solid var(--border);
  }
}

.spec__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}

.spec__metric {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
}

.spec__metric-v {
  font-family: var(--font-display);
  font-size: 1.12rem;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.spec__metric-k {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--t-muted);
  letter-spacing: 0.05em;
}

.spec__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-left: auto;
}

@media (max-width: 760px) {
  .spec__stack {
    margin-left: 0;
  }
}

/* Compact spec body — single paragraph (homepage cards) */
.spec__body {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

.spec__summary {
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--t-secondary);
  max-width: 100%;
}

.spec__summary strong {
  color: var(--t-primary);
  font-weight: 600;
}

/* Section footer — view-all link */
.sec__more {
  margin-top: clamp(22px, 3vh, 36px);
}

/* ============================================================
   FOCUS AREAS — 2×2 grid
   ============================================================ */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.focus-card {
  background: var(--card);
  padding: 24px 26px;
  transition: background 0.2s;
}

.focus-card:hover {
  background: var(--accent-ghost);
}

.focus-card__label {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.focus-card__label i {
  font-style: normal;
  color: var(--t-caption);
  font-weight: 400;
  font-size: 0.56rem;
}

.focus-card__text {
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--t-secondary);
}

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

/* ============================================================
   POST PREVIEWS — article cards for homepage
   ============================================================ */
.post-previews {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.post-preview {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  background: var(--card);
  transition: background 0.2s;
  color: inherit;
  text-decoration: none;
}

.post-preview:hover {
  background: var(--accent-ghost);
  color: inherit;
}

.post-preview__date {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t-caption);
}

.post-preview__title {
  font-family: var(--font-display);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--t-bright);
  line-height: 1.25;
}

.post-preview:hover .post-preview__title {
  color: var(--accent);
}

.post-preview__desc {
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--t-secondary);
  flex: 1;
}

.post-preview__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

@media (max-width: 860px) {
  .post-previews {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   SKILLS — inventory matrix
   ============================================================ */
.matrix {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.matrix__cell {
  background: var(--card);
  padding: 20px 22px;
  transition: background 0.2s;
}

.matrix__cell:hover {
  background: var(--accent-ghost);
}

.matrix__label {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 9px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.matrix__label i {
  font-style: normal;
  color: var(--t-caption);
  font-weight: 400;
  font-size: 0.56rem;
}

.matrix__text {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--t-secondary);
}

.matrix__text strong {
  color: var(--t-primary);
  font-weight: 600;
}

.matrix__desc {
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--t-muted);
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-light);
}

/* AI directive banner */
.directive {
  margin-top: 22px;
  border: 1px solid var(--accent-dim);
  background:
    repeating-linear-gradient(-45deg, var(--accent-ghost) 0 10px, transparent 10px 20px);
  padding: 1px;
}

.directive__inner {
  background: var(--card);
  padding: 22px 26px;
  border-left: 4px solid var(--accent);
}

.directive__label {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 9px;
}

.directive__text {
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--t-secondary);
  max-width: 720px;
}

.directive__text strong {
  color: var(--t-primary);
  font-weight: 600;
}

/* ============================================================
   FOOTER — sign-off block
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}

.footer__inner {
  /* Horizontal padding comes from .container; only override vertical */
  padding-top: clamp(56px, 8vh, 84px);
  padding-bottom: 40px;
}

.footer__head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: clamp(28px, 4vh, 40px);
}

.footer__motto {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
  color: var(--t-bright);
  margin-bottom: clamp(22px, 3vh, 32px);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin-bottom: clamp(22px, 3vh, 32px);
}

.footer__nav a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t-secondary);
  transition: color 0.2s;
}

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

.footer__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin-bottom: 30px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--t-caption);
  text-transform: uppercase;
}

.footer__tech a {
  color: var(--t-muted);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s;
}

.footer__tech a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.footer__signoff {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  border-top: 1px solid var(--border);
  padding-top: 18px;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  color: var(--t-caption);
  text-transform: uppercase;
}

.footer__signoff a {
  color: var(--t-muted);
}

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

@media (max-width: 640px) {
  .footer__inner {
    padding-top: 48px;
  }

  /* Motto: shrink to avoid overflow on very narrow screens */
  .footer__motto {
    font-size: 1.3rem;
  }

  /* Nav links: tidy 2-column grid instead of ragged flex wrap */
  .footer__nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 24px;
  }

  /* Tech notes: one per line, like a data sheet */
  .footer__tech {
    flex-direction: column;
    gap: 10px;
  }

  /* Sign-off rows: roomier line spacing */
  .footer__signoff {
    gap: 14px;
  }
}

/* ============================================================
   CUSTOM CURSOR — CAD crosshair (fine pointers only)
   ============================================================ */
.cursor,
.cursor__reticle {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 10000;
  display: none;
  margin: 0;
}

@media (pointer: fine) {
  * {
    cursor: none !important;
  }

  /* Text-entry controls keep their native caret */
  input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="file"]),
  textarea,
  [contenteditable] {
    cursor: text !important;
  }

  select {
    cursor: auto !important;
  }

  .cursor,
  .cursor__reticle {
    display: block;
  }
}

/* The plotter point — instant follow */
.cursor {
  width: 6px;
  height: 6px;
  margin: -3px 0 0 -3px;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-dim);
  opacity: 0;
  transform: scale(1);
  transition: opacity 0.25s, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Viewfinder brackets — trailing follow */
.cursor__reticle {
  width: 30px;
  height: 30px;
  margin: -15px 0 0 -15px;
  opacity: 0;
  transform: rotate(0deg) scale(1);
  transition:
    opacity 0.25s,
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  background:
    linear-gradient(var(--accent), var(--accent)) 0 0 / 8px 1px,
    linear-gradient(var(--accent), var(--accent)) 0 0 / 1px 8px,
    linear-gradient(var(--accent), var(--accent)) 100% 0 / 8px 1px,
    linear-gradient(var(--accent), var(--accent)) 100% 0 / 1px 8px,
    linear-gradient(var(--accent), var(--accent)) 0 100% / 8px 1px,
    linear-gradient(var(--accent), var(--accent)) 0 100% / 1px 8px,
    linear-gradient(var(--accent), var(--accent)) 100% 100% / 8px 1px,
    linear-gradient(var(--accent), var(--accent)) 100% 100% / 1px 8px;
  background-repeat: no-repeat;
}

body.cursor--on .cursor {
  opacity: 1;
}

body.cursor--on .cursor__reticle {
  opacity: 0.8;
}

/* Hovering an interactive element: lock-on */
body.cursor--active .cursor__reticle {
  opacity: 1;
  transform: rotate(45deg) scale(1.35);
}

body.cursor--active .cursor {
  transform: scale(0.5);
}

/* Over a text-entry control: hide the crosshair, show the native caret */
body.cursor--typing .cursor,
body.cursor--typing .cursor__reticle {
  opacity: 0;
  transform: scale(0.5);
}

/* ============================================================
   SCROLL REVEAL — hard snap-in
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.reveal--on {
  opacity: 1;
  transform: translateY(0);
}

.r1 {
  transition-delay: 0.06s;
}

.r2 {
  transition-delay: 0.12s;
}

.r3 {
  transition-delay: 0.18s;
}

/* ============================================================
   COVERAGE — extended capability summary (projects page)
   ============================================================ */
.coverage {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.coverage__group {
  background: var(--card);
  padding: 20px 22px 14px;
}

.tag--group {
  color: var(--accent);
  border-color: var(--accent);
  background: transparent;
}

.coverage__row {
  background: var(--card);
  padding: 14px 22px;
}

.coverage__name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--t-bright);
  line-height: 1.3;
  margin-bottom: 4px;
}

.coverage__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 8px;
}

.coverage__desc {
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--t-secondary);
  max-width: 720px;
}

/* ============================================================
   BLOG LISTING
   ============================================================ */
.page-sec {
  border-top: 1px solid var(--border);
}

.page-sec__inner {
  padding-top: clamp(64px, 9vh, 96px);
  padding-bottom: clamp(64px, 9vh, 96px);
}

.page-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--t-bright);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.page-heading em {
  color: var(--accent);
  font-style: normal;
}

.post-list {
  list-style: none;
  margin-top: clamp(30px, 4vh, 44px);
  border-top: 1px solid var(--border);
}

.post-item {
  display: block;
  padding: 22px 16px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.post-item:hover {
  background: var(--accent-ghost);
}

.post-item .post-item-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--t-bright);
  line-height: 1.2;
  margin-bottom: 6px;
}

.post-item .post-item-desc {
  font-size: 0.88rem;
  color: var(--t-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}

.post-item .post-item-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--t-caption);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Tag filter chips */
.tag-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--t-muted);
  padding: 5px 10px;
  border: 1px solid var(--border);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.tag-chip:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-ghost);
}

.tag-chip--active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.tag-chip--active:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.tag-chip__count {
  font-size: 0.56rem;
  color: inherit;
  opacity: 0.7;
}

/* Tag count badge on heading */
.tag-count-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--t-muted);
  vertical-align: middle;
}

/* Pagination */
.pagination {
  margin-top: clamp(36px, 5vh, 56px);
  border-top: 1px solid var(--border);
  padding-top: 22px;
}

.pagination__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.pagination__btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t-muted);
  padding: 8px 16px;
  border: 1px solid var(--border);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.pagination__btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-ghost);
}

.pagination__btn--disabled {
  opacity: 0.3;
  pointer-events: none;
}

.pagination__info {
  display: flex;
  align-items: center;
  gap: 5px;
}

.pagination__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--t-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.pagination__num:hover {
  color: var(--accent);
  border-color: var(--border-light);
  background: var(--accent-ghost);
}

.pagination__num--active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
  pointer-events: none;
}

/* ============================================================
   BLOG ARTICLE (POST)
   ============================================================ */
.post {
  border-top: 1px solid var(--border);
}

.post-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
  max-width: var(--max);
  margin: 0 auto;
  /* Top padding must clear the 54px fixed nav */
  padding: clamp(64px, 9vh, 88px) clamp(20px, 4.5vw, 48px);
  min-height: 60vh;
}

.post-layout.has-outline {
  grid-template-columns: minmax(0, 1fr) 200px;
}

.post-main {
  width: 100%;
  min-width: 0;
}

.post-header {
  margin-bottom: clamp(30px, 4vh, 44px);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.post-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--t-bright);
  line-height: 1.08;
  margin-bottom: 12px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--t-caption);
  letter-spacing: 0.08em;
}

.post-meta time {
  color: var(--t-muted);
}

.post-meta .tag {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.05em;
  color: var(--t-muted);
  padding: 2px 8px;
  border: 1px solid var(--border);
  background: var(--surface);
}

/* Post content prose */
.post-content.prose {
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--t-secondary);
  max-width: none;
}

.post-content.prose p,
.post-content.prose ul,
.post-content.prose ol,
.post-content.prose blockquote,
.post-content.prose pre,
.post-content.prose table {
  margin-bottom: 1.35rem;
}

.post-content.prose h2,
.post-content.prose h3,
.post-content.prose h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--t-bright);
  line-height: 1.2;
}

.post-content.prose h2 {
  font-size: 1.4rem;
  margin-top: 2.4rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.post-content.prose h3 {
  font-size: 1.15rem;
  margin-top: 1.8rem;
  margin-bottom: 0.7rem;
}

.post-content.prose h4 {
  font-size: 1rem;
  margin-top: 1.4rem;
  margin-bottom: 0.5rem;
}

.post-content.prose strong {
  color: var(--t-primary);
  font-weight: 600;
}

.post-content.prose em {
  color: var(--accent);
  font-style: normal;
}

.post-content.prose ul,
.post-content.prose ol {
  padding-left: 1.75rem;
}

.post-content.prose li {
  margin-bottom: 0.55rem;
  line-height: 1.8;
}

.post-content.prose li>ul,
.post-content.prose li>ol {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
  padding-left: 1.25rem;
}

.post-content.prose blockquote {
  font-size: 0.96rem;
  color: var(--t-muted);
  border-left: 2px solid var(--accent);
  padding: 0.8rem 1.1rem;
  margin: 1.6rem 0;
  background: var(--surface);
}

.post-content.prose blockquote p:last-child {
  margin-bottom: 0;
}

.post-content.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

.post-content.prose a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent-dim);
  transition: border-color 0.2s;
}

.post-content.prose a:hover {
  border-color: var(--accent);
}

/* Inline code */
.post-content.prose :not(pre)>code {
  font-family: var(--font-mono);
  font-size: 0.84em;
  background: var(--surface);
  padding: 0.12em 0.4em;
  border: 1px solid var(--border);
  color: var(--t-primary);
}

/* Code blocks with Prism */
.code-block {
  position: relative;
  margin: 1.2rem 0 1.6rem;
}

.code-toolbar {
  position: absolute;
  top: 0.4rem;
  right: 0.5rem;
  display: flex;
  gap: 0.35rem;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 2;
}

.code-block:hover .code-toolbar,
.code-block:focus-within .code-toolbar {
  opacity: 1;
}

.code-toolbar button {
  background: var(--surface);
  border: 1px solid var(--border-light);
  padding: 0.22rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--t-muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.code-toolbar button:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.post-content.prose pre {
  background: var(--surface);
  padding: 1rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  font-size: 0.78rem;
  line-height: 1.6;
  max-height: 30rem;
  margin: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.post-content.prose pre::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

.post-content.prose pre::-webkit-scrollbar-track {
  background: transparent;
}

.post-content.prose pre::-webkit-scrollbar-thumb {
  background: var(--border-light);
}

.post-content.prose pre code {
  font-family: var(--font-mono);
  background: transparent;
  padding: 0;
  font-size: inherit;
  border: none;
  color: inherit;
}

/* Fullscreen code */
.code-block.fullscreen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--bg);
  margin: 0;
}

.code-block.fullscreen .code-toolbar {
  position: static;
  opacity: 1;
  margin-bottom: 0.75rem;
  justify-content: flex-end;
}

.code-block.fullscreen pre {
  flex: 1;
  max-height: none;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
}

/* Tables */
.post-content.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93em;
}

.post-content.prose thead {
  border-bottom: 2px solid var(--accent);
}

.post-content.prose th {
  font-weight: 600;
  text-align: left;
  padding: 0.6rem 0.75rem;
  color: var(--t-primary);
}

.post-content.prose td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.post-content.prose tr:last-child td {
  border-bottom: none;
}

.post-content.prose tbody tr:nth-child(even) {
  background: var(--surface);
}

/* ============================================================
   OUTLINE SIDEBAR (blog post TOC)
   ============================================================ */
.post-sidebar {
  position: sticky;
  top: 74px;
  width: 200px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding: 0.2rem 0.5rem 0.2rem 0;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--t-muted);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.post-sidebar::-webkit-scrollbar {
  width: 3px;
}

.post-sidebar::-webkit-scrollbar-thumb {
  background: var(--border-light);
}

.outline-box {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 0.9rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.outline {
  margin: 0;
}

.outline-list,
.outline-children {
  list-style: none;
  margin: 0;
  padding: 0;
}

.outline-children {
  position: relative;
  margin-left: 0.25rem;
  padding-left: 0.85rem;
}

.outline-item {
  position: relative;
}

.outline-children>.outline-item::before {
  content: "";
  position: absolute;
  left: -0.85rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.outline-children>.outline-item:last-child::before {
  bottom: auto;
  height: 0.72rem;
}

.outline-row {
  position: relative;
  display: block;
  padding: 0.3rem 0.5rem;
  line-height: 1.5;
  color: var(--t-muted);
  border-bottom: none;
  transition: color 0.2s ease, background 0.2s ease;
}

a.outline-row:hover {
  background: var(--accent-ghost);
  color: var(--t-primary);
}

.outline-row.active {
  color: var(--t-bright);
  background: var(--accent-ghost);
  font-weight: 500;
}

.outline-row.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 2px;
  background: var(--accent);
}

.outline-children>.outline-item>.outline-row::before {
  content: "";
  position: absolute;
  left: -0.85rem;
  top: 0.75rem;
  width: 0.5rem;
  height: 1px;
  background: var(--border-light);
}

.outline-title {
  display: inline;
}

@media (max-width: 1200px) {
  .post-layout.has-outline {
    grid-template-columns: minmax(0, 1fr);
  }

  .post-sidebar {
    display: none;
  }
}

/* ============================================================
   GENERIC PAGE (about, etc.)
   ============================================================ */
.page-content {
  padding-top: clamp(64px, 9vh, 96px);
  padding-bottom: clamp(64px, 9vh, 96px);
  min-height: 60vh;
}

.page-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--t-bright);
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.page-content.prose h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--t-bright);
  font-size: 1.4rem;
  margin-top: 2rem;
  margin-bottom: 0.8rem;
}

.page-content.prose h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--t-bright);
  font-size: 1.15rem;
  margin-top: 1.5rem;
  margin-bottom: 0.6rem;
}

/* ============================================================
   ABOUT PAGE — unique components
   ============================================================ */
.about-intro {
  max-width: 720px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--t-secondary);
}

.about-intro p + p {
  margin-top: 0.8rem;
}

.battles__principles {
  margin-top: 18px;
  margin-bottom: clamp(28px, 4vh, 44px);
  padding: 14px 18px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.battles__principles-heading {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
}

.battles__principles-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-principles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.about-principles__heading {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.about-principles__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-principles__list li {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--t-secondary);
  padding-left: 14px;
  border-left: 2px solid var(--border);
}

.about-principles__list li strong {
  color: var(--t-primary);
}

.about-outside {
  max-width: 720px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--t-secondary);
}

.about-outside p + p {
  margin-top: 0.8rem;
}

.about-outside a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.about-outside a:hover {
  border-bottom-color: var(--accent);
}

.about-status {
  max-width: 720px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--t-secondary);
}

.about-status__actions {
  margin-top: 22px;
  display: flex;
  gap: 12px;
}

.about-footer {
  margin-top: clamp(48px, 7vh, 72px);
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--t-dim);
}

@media (max-width: 700px) {
  .about-principles {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   PRISM OVERRIDES — match dark schematic theme
   ============================================================ */
/* Light theme: Solarized light adapted */
:root[data-theme="light"] .post-content.prose pre[class*="language-"],
:root[data-theme="light"] .post-content.prose code[class*="language-"] {
  color: #586e75;
}

/* Dark theme: Tomorrow adapted */
.post-content.prose pre[class*="language-"],
.post-content.prose code[class*="language-"] {
  text-shadow: none;
}

.post-content.prose .token.comment,
.post-content.prose .token.prolog,
.post-content.prose .token.doctype,
.post-content.prose .token.cdata {
  color: var(--t-caption);
}

.post-content.prose .token.punctuation {
  color: var(--t-muted);
}

.post-content.prose .token.property,
.post-content.prose .token.tag,
.post-content.prose .token.boolean,
.post-content.prose .token.number,
.post-content.prose .token.constant,
.post-content.prose .token.symbol,
.post-content.prose .token.deleted {
  color: var(--accent);
}

.post-content.prose .token.selector,
.post-content.prose .token.attr-name,
.post-content.prose .token.string,
.post-content.prose .token.char,
.post-content.prose .token.builtin,
.post-content.prose .token.inserted {
  color: var(--ok);
}

.post-content.prose .token.operator,
.post-content.prose .token.entity,
.post-content.prose .token.url {
  color: var(--t-secondary);
}

.post-content.prose .token.atrule,
.post-content.prose .token.attr-value,
.post-content.prose .token.keyword {
  color: var(--t-primary);
}

.post-content.prose .token.function,
.post-content.prose .token.class-name {
  color: var(--t-bright);
}

.post-content.prose .token.regex,
.post-content.prose .token.important,
.post-content.prose .token.variable {
  color: #e0a050;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  html {
    font-size: 15px;
  }

  .post-title {
    font-size: 1.5rem;
  }

  .post-layout {
    padding-top: 64px;
    padding-bottom: 2rem;
  }
}