/* ==========================================================================
   Rasheed Farhat / security engineering portfolio
   Identity: "Clear Signal" daylight instrument system.
   Surfaces: mineral white and cool mist. Accent: deep signal teal only.
   Type: Big Shoulders (display) / Public Sans (body) / IBM Plex Mono (data).
   ========================================================================== */

@font-face {
  font-family: "Big Shoulders";
  src: url("/assets/fonts/big-shoulders-var.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Public Sans";
  src: url("/assets/fonts/public-sans-var.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/plex-mono-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

:root {
  color-scheme: light;
  --ink: #e2e9e7;
  --panel: #f2f5f4;
  --well: #d5dfdc;
  --line: #b9c8c4;
  --line-strong: #94aaa5;
  --text-hi: #10262c;
  --text: #2d454b;
  --text-dim: #52676b;
  --signal: #0f6268;
  --signal-hi: #084c51;
  --signal-fill: #0f6268;
  --signal-ink: #f5f8f7;
  --signal-soft: #c8dcda;
  --white: #ffffff;
  --code-key: #154f67;
  --code-string: #8b4b29;
  --shadow-sm: 0 1px 2px rgb(19 40 46 / 0.05), 0 8px 24px rgb(19 40 46 / 0.05);
  --shadow-md: 0 18px 48px rgb(19 40 46 / 0.09);
  --radius-sm: 0.45rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --display: "Big Shoulders", "Arial Narrow", sans-serif;
  --body: "Public Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;
  --shell: 72rem;
  --pad: clamp(1.25rem, 5vw, 2.5rem);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #10191b;
  --panel: #172326;
  --well: #0b1416;
  --line: #2d4144;
  --line-strong: #456064;
  --text-hi: #edf4f2;
  --text: #c4d1ce;
  --text-dim: #91a6a2;
  --signal: #70b7b5;
  --signal-hi: #98cfcc;
  --signal-fill: #24666b;
  --signal-ink: #f5f8f7;
  --signal-soft: #1e3a3c;
  --white: #1b2b2e;
  --code-key: #8bc3d1;
  --code-string: #dda17c;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.2), 0 8px 24px rgb(0 0 0 / 0.18);
  --shadow-md: 0 18px 48px rgb(0 0 0 / 0.28);
}

/* Base ------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 650;
  color: var(--text-hi);
  line-height: 1.08;
  letter-spacing: 0.008em;
  margin: 0 0 0.75rem;
  font-variation-settings: "opsz" 60;
}

p {
  margin: 0 0 1rem;
  max-width: 66ch;
}

a {
  color: var(--signal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  text-decoration-color: color-mix(in srgb, var(--signal) 38%, transparent);
  transition: color 140ms ease, text-decoration-color 140ms ease;
}

a:hover {
  color: var(--signal-hi);
  text-decoration-color: var(--signal-hi);
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 0.25rem;
}

::selection {
  background: var(--signal);
  color: var(--signal-ink);
}

code,
pre {
  font-family: var(--mono);
}

img {
  max-width: 100%;
  height: auto;
}

ul,
ol {
  padding-left: 1.2rem;
  margin: 0 0 1rem;
}

li {
  margin-bottom: 0.5rem;
  max-width: 62ch;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* Utilities -------------------------------------------------------------- */

.shell {
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--pad);
  z-index: 20;
  background: var(--signal-fill);
  color: var(--signal-ink);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.55rem 0.9rem;
  text-decoration: none;
}

.skip-link:focus-visible {
  top: 0.75rem;
  color: var(--signal-ink);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 1rem;
}

.eyebrow strong {
  color: var(--signal);
  font-weight: 600;
}

.mono-note {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

/* Buttons ---------------------------------------------------------------- */

.button {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.8rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 1px;
  transition: background-color 140ms ease, color 140ms ease,
    border-color 140ms ease;
}

.button-primary {
  background: var(--signal-fill);
  color: var(--signal-ink);
}

.button-primary:hover {
  background: var(--signal-hi);
  color: var(--signal-ink);
}

.button-secondary {
  border-color: var(--line-strong);
  color: var(--text-hi);
}

.button-secondary:hover {
  border-color: var(--signal);
  color: var(--signal-hi);
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  margin-top: 1.75rem;
}

.text-link {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Header ----------------------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--ink) 92%, transparent);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.25rem;
  position: relative;
}

.brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-hi);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-right: auto;
}

.brand:hover {
  color: var(--text-hi);
}

.brand::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  background: var(--signal);
  align-self: center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.site-nav a {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  padding-block: 0.4rem;
}

.site-nav a:hover {
  color: var(--signal-hi);
}

.site-nav a[aria-current="page"] {
  color: var(--text-hi);
  box-shadow: inset 0 -2px 0 var(--signal);
}

.site-nav .nav-resume {
  border: 1px solid var(--line-strong);
  padding: 0.5rem 0.9rem;
  color: var(--text-hi);
}

.site-nav .nav-resume:hover {
  border-color: var(--signal);
  color: var(--signal-hi);
}

.site-nav .nav-resume[aria-current="page"] {
  box-shadow: none;
  border-color: var(--signal);
}

.theme-toggle {
  min-height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

:root[data-theme] .theme-toggle {
  display: inline-flex;
}

/* The bar variant only appears on small screens; see the nav media query. */
:root[data-theme] .theme-toggle--bar {
  display: none;
}

.theme-toggle:hover {
  border-color: var(--signal);
  color: var(--signal-hi);
}

.theme-toggle__icon {
  width: 0.82rem;
  height: 0.82rem;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  background: linear-gradient(90deg, currentColor 50%, transparent 50%);
  transform: rotate(0deg);
  transition: transform 180ms ease;
}

:root[data-theme="dark"] .theme-toggle__icon {
  transform: rotate(180deg);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 1px;
  padding: 0.7rem;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.menu-toggle__icon,
.menu-toggle__icon::before,
.menu-toggle__icon::after {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: var(--text-hi);
  transition: transform 140ms ease, background-color 140ms ease;
}

.menu-toggle__icon {
  position: relative;
}

.menu-toggle__icon::before,
.menu-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle__icon::before {
  top: -6px;
}

.menu-toggle__icon::after {
  top: 6px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon::before {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 54rem) {
  .site-header__inner {
    gap: 0.75rem;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--line-strong);
    padding: 0.5rem var(--pad) 1.25rem;
    display: none;
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .site-nav a {
    padding: 0.9rem 0.25rem;
    border-bottom: 1px solid var(--line);
    font-size: 0.85rem;
  }

  .site-nav a[aria-current="page"] {
    box-shadow: inset 3px 0 0 var(--signal);
    padding-left: 0.9rem;
  }

  .site-nav .nav-resume {
    border: 0;
    border-bottom: 1px solid var(--line);
    padding: 0.9rem 0.25rem;
  }

  .site-nav .nav-resume[aria-current="page"] {
    border-color: var(--line);
    box-shadow: inset 3px 0 0 var(--signal);
    padding-left: 0.9rem;
  }

  /* The theme toggle moves from the menu to the header bar on small screens. */
  :root[data-theme] .site-nav .theme-toggle {
    display: none;
  }

  :root[data-theme] .theme-toggle--bar {
    display: inline-flex;
    min-height: 40px;
  }
}

/* Section scaffolding ----------------------------------------------------- */

.section {
  border-top: 1px solid var(--line);
  padding-block: clamp(3rem, 7vw, 5rem);
  position: relative;
}

.section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 2.25rem;
  height: 3px;
  background: var(--signal);
}

.section--flush {
  border-top: 0;
}

.section--flush::before {
  display: none;
}

.section-heading {
  display: grid;
  gap: 0.5rem 3rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-heading h2 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  margin: 0;
  max-width: 24ch;
}

.section-heading p {
  color: var(--text-dim);
  margin: 0.5rem 0 0;
  max-width: 52ch;
}

.section-note {
  color: var(--text-dim);
  margin: 0.5rem 0 0;
  max-width: 52ch;
}

@media (min-width: 60rem) {
  .section-heading--split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
  }

  .section-heading--split .section-note {
    margin: 0;
    justify-self: end;
  }
}

/* Hero ------------------------------------------------------------------- */

.hero {
  padding-block: clamp(3rem, 7vw, 5.5rem) clamp(3rem, 6vw, 4.5rem);
}

.hero-status {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
}

.hero-status li {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.hero-status li::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  background: var(--line-strong);
}

.hero-status li:first-child::before {
  background: var(--signal);
}

.hero h1 {
  font-size: clamp(3.2rem, 12vw, 7.75rem);
  font-weight: 750;
  text-transform: uppercase;
  line-height: 0.94;
  letter-spacing: 0.008em;
  margin: 0 0 1.5rem;
  font-variation-settings: "opsz" 72;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
}

.hero-lede {
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  line-height: 1.5;
  color: var(--text-hi);
  max-width: 46ch;
  margin-bottom: 1rem;
}

.hero-support {
  color: var(--text-dim);
  max-width: 52ch;
}

.hero-meta {
  border-left: 1px solid var(--line);
  padding-left: 1.5rem;
  align-self: start;
  display: grid;
  gap: 1.25rem;
  margin: 0;
}

.hero-meta div {
  display: grid;
  gap: 0.3rem;
}

.hero-meta dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.hero-meta dd {
  margin: 0;
  color: var(--text-hi);
  font-size: 0.92rem;
  line-height: 1.5;
}

@media (min-width: 60rem) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 4rem;
  }
}

/* Compile plate (signature) ---------------------------------------------- */

.plate {
  border: 1px solid var(--line-strong);
  background: var(--panel);
}

.plate__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding: 0.8rem 1.25rem;
  border-bottom: 1px solid var(--line-strong);
}

.plate__title {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0;
  max-width: none;
  overflow-wrap: anywhere;
}

.plate__bar .mono-note {
  font-size: 0.72rem;
  color: var(--text);
}

.plate__grid {
  display: grid;
}

.plate__pane {
  min-width: 0;
  padding: 1.1rem 1.25rem 1.3rem;
  background: var(--well);
}

.plate__pane-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  display: block;
  margin-bottom: 0.85rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
}

.plate__pane-label strong {
  color: var(--text-hi);
  font-weight: 600;
}

.plate__pane pre {
  margin: 0;
  overflow-x: auto;
  font-size: 0.72rem;
  line-height: 1.7;
  color: var(--text);
}

.plate__stages {
  padding: 1.1rem 1.25rem;
  background: var(--panel);
  align-content: center;
}

.plate__stages .plate__stages-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: block;
  margin-bottom: 0.9rem;
}

.plate__stages ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.plate__stages li {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin: 0;
  position: relative;
  padding-left: 1.1rem;
}

.plate__stages li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32rem;
  width: 0.45rem;
  height: 0.45rem;
  border: 1px solid var(--signal);
}

.plate__stages li strong {
  color: var(--text-hi);
  font-weight: 600;
  display: block;
}

.plate__caption {
  border-top: 1px solid var(--line-strong);
  padding: 1rem 1.25rem;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.plate__caption p {
  margin: 0;
  max-width: none;
}

@media (min-width: 64rem) {
  .plate__grid {
    grid-template-columns: minmax(0, 1fr) 13.5rem minmax(0, 1.2fr);
  }

  .plate__stages li {
    padding-bottom: 1rem;
  }

  .plate__stages li:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 0.21rem;
    top: 1.05rem;
    bottom: 0.15rem;
    width: 1px;
    background: var(--line-strong);
  }
}

@media (max-width: 63.99rem) {
  .plate__pane--src {
    border-bottom: 1px solid var(--line-strong);
  }

  .plate__stages {
    border-bottom: 1px solid var(--line-strong);
  }

  .plate__stages ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem 1.5rem;
  }
}

/* Code tokens ------------------------------------------------------------ */

.tok-c {
  color: var(--text-dim);
}

.tok-k {
  color: var(--text-hi);
}

.tok-s {
  color: var(--signal);
}

.tok-t {
  color: #a8c5a0;
}

/* Work rows -------------------------------------------------------------- */

.work-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.work-row {
  position: relative;
  display: grid;
  gap: 0.75rem 2.5rem;
  padding: 1.75rem 0.75rem;
  border-bottom: 1px solid var(--line);
  transition: background-color 140ms ease;
}

.work-row:hover,
.work-row:focus-within {
  background: var(--panel);
}

.work-row__meta {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.status {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-hi);
  border: 1px solid var(--line-strong);
  padding: 0.3rem 0.55rem;
  white-space: nowrap;
}

.status--active {
  color: var(--signal);
  border-color: color-mix(in srgb, var(--signal) 55%, transparent);
}

.work-row__year {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.work-row h3 {
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  margin: 0 0 0.4rem;
}

.work-row h3 a {
  color: inherit;
  text-decoration: none;
}

.work-row h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
}

.work-row h3 a:hover {
  color: var(--signal-hi);
}

.work-row__body p {
  margin: 0;
  max-width: 56ch;
  color: var(--text);
}

.work-row__evidence {
  font-family: var(--mono);
  font-size: 0.74rem;
  line-height: 1.8;
  color: var(--text-dim);
  align-self: center;
}

.work-row__evidence strong {
  color: var(--text-hi);
  font-weight: 600;
}

.work-row__arrow {
  position: absolute;
  right: 0.9rem;
  top: 1.85rem;
  font-family: var(--mono);
  color: var(--text-dim);
  transition: color 140ms ease, transform 140ms ease;
}

.work-row:hover .work-row__arrow,
.work-row:focus-within .work-row__arrow {
  color: var(--signal);
  transform: translateX(3px);
}

@media (min-width: 60rem) {
  .work-row {
    grid-template-columns: 11rem minmax(0, 1.6fr) minmax(0, 1fr);
    padding: 2rem 1rem;
  }

  .work-row__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .work-row__evidence {
    padding-right: 2.5rem;
  }
}

/* Record + capabilities --------------------------------------------------- */

.record-list {
  display: grid;
  border-top: 1px solid var(--line);
  margin: 0;
  padding: 0;
}

.record-row {
  display: grid;
  gap: 0.25rem 2.5rem;
  padding: 1.1rem 0.25rem;
  border-bottom: 1px solid var(--line);
}

.record-row dt {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--signal);
  padding-top: 0.2rem;
}

.record-row dd {
  margin: 0;
}

.record-row dd strong {
  color: var(--text-hi);
  font-weight: 600;
}

.record-row dd p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.92rem;
}

@media (min-width: 48rem) {
  .record-row {
    grid-template-columns: 11rem minmax(0, 1fr);
  }
}

.capability-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.capability {
  background: var(--ink);
  padding: 1.5rem;
}

.capability h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.capability p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-dim);
  max-width: none;
}

@media (min-width: 48rem) {
  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Writing rows ------------------------------------------------------------ */

.writing-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.writing-row {
  position: relative;
  display: grid;
  gap: 0.5rem 2.5rem;
  padding: 1.5rem 0.75rem;
  border-bottom: 1px solid var(--line);
  transition: background-color 140ms ease;
}

.writing-row:hover,
.writing-row:focus-within {
  background: var(--panel);
}

.writing-row__meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.writing-row__meta .venue {
  color: var(--signal);
}

.writing-row h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.6rem);
  margin: 0 0 0.35rem;
}

.writing-row h3 a {
  color: inherit;
  text-decoration: none;
}

.writing-row h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
}

.writing-row h3 a:hover {
  color: var(--signal-hi);
}

.writing-row p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.94rem;
  color: var(--text-dim);
}

@media (min-width: 60rem) {
  .writing-row {
    grid-template-columns: 12rem minmax(0, 1fr);
    padding: 1.75rem 1rem;
  }
}

/* Contact panel ----------------------------------------------------------- */

.contact-panel {
  border: 1px solid var(--line-strong);
  background: var(--panel);
  padding: clamp(1.75rem, 4vw, 3rem);
  position: relative;
}

.contact-panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 2.25rem;
  height: 3px;
  background: var(--signal);
}

.contact-panel h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  max-width: 24ch;
}

.contact-panel > p {
  color: var(--text-dim);
  max-width: 58ch;
}

/* Footer title block ------------------------------------------------------ */

.site-footer {
  border-top: 1px solid var(--line-strong);
  margin-top: clamp(3rem, 7vw, 5rem);
}

.title-block {
  display: grid;
  border-inline: 1px solid var(--line);
}

.title-block__cell {
  padding: 1.2rem 1.4rem 1.3rem;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.title-block__label {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 0.5rem;
  display: block;
}

.title-block__cell p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-hi);
  max-width: none;
}

.title-block__cell ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
}

.title-block__cell li {
  margin: 0;
}

.title-block__cell a {
  font-size: 0.9rem;
}

.title-block__cell .mono-note {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.72rem;
}

@media (min-width: 48rem) {
  .title-block {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .title-block__cell:not(:nth-child(3n + 1)) {
    border-left: 1px solid var(--line);
  }
}

/* Page hero (interior pages) ---------------------------------------------- */

.page-hero {
  padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(2rem, 5vw, 3.5rem);
}

.page-hero h1 {
  font-size: clamp(2.6rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  max-width: 18ch;
  margin: 0 0 1.25rem;
}

.page-hero .hero-lede {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.breadcrumb {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--signal-hi);
}

/* Case study -------------------------------------------------------------- */

.case-hero__grid {
  display: grid;
  gap: 2.5rem;
}

.case-hero__summary {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text);
  max-width: 56ch;
}

.case-meta {
  border: 1px solid var(--line);
  padding: 1.4rem 1.5rem;
  margin: 0;
  display: grid;
  gap: 1.1rem;
  align-self: start;
  background: var(--panel);
}

.case-meta div {
  display: grid;
  gap: 0.25rem;
}

.case-meta dt {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.case-meta dd {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-hi);
}

@media (min-width: 60rem) {
  .case-hero__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 4rem;
  }
}

.scope-note {
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--signal);
  background: var(--panel);
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
  max-width: 56ch;
}

.scope-note strong {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  display: block;
  margin-bottom: 0.4rem;
}

.scope-note p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text);
  max-width: none;
}

.assessment {
  display: grid;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.assessment__cell {
  background: var(--panel);
  padding: 1.25rem 1.4rem;
}

.assessment__cell h2,
.assessment__cell h3 {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 0.6rem;
}

.assessment__cell p {
  margin: 0;
  font-size: 0.92rem;
  max-width: none;
}

@media (min-width: 54rem) {
  .assessment {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.case-layout {
  display: grid;
  gap: 3rem;
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.case-content {
  min-width: 0;
  display: grid;
  gap: clamp(2.5rem, 5vw, 3.75rem);
}

.case-content > section {
  min-width: 0;
}

.case-content section h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  max-width: 28ch;
}

.case-content section > p {
  max-width: 66ch;
}

.case-content .eyebrow {
  margin-bottom: 0.6rem;
}

.case-sidebar {
  align-self: start;
  border: 1px solid var(--line);
  padding: 1.4rem 1.5rem;
}

.case-sidebar h2 {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.9rem;
}

.case-sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.case-sidebar li {
  margin: 0;
  max-width: none;
}

.case-sidebar a {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
  display: block;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
}

.case-sidebar li:last-child a {
  border-bottom: 0;
}

.case-sidebar a:hover {
  color: var(--signal-hi);
}

ul.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  border: 1px solid var(--line);
  padding: 0.25rem 0.5rem;
  margin: 0;
}

@media (min-width: 64rem) {
  .case-layout {
    grid-template-columns: minmax(0, 1fr) 16rem;
    gap: 4rem;
  }

  .case-sidebar {
    position: sticky;
    top: 5.5rem;
  }
}

/* Pipeline stages (case architecture) ------------------------------------- */

.stage-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
}

.stage-list li {
  position: relative;
  margin: 0;
  max-width: none;
  padding: 0 0 1.5rem 2rem;
}

.stage-list li:last-child {
  padding-bottom: 0;
}

.stage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 0.6rem;
  height: 0.6rem;
  border: 1px solid var(--signal);
  background: var(--ink);
}

.stage-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 0.28rem;
  top: 1.25rem;
  bottom: 0;
  width: 1px;
  background: var(--line-strong);
}

.stage-list .stage-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  display: block;
  margin-bottom: 0.15rem;
}

.stage-list strong {
  color: var(--text-hi);
  font-weight: 600;
  display: block;
  margin-bottom: 0.15rem;
}

.stage-list small {
  font-size: 0.9rem;
  color: var(--text-dim);
  display: block;
  max-width: 56ch;
}

/* Metrics ----------------------------------------------------------------- */

.metric-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 1.5rem 0;
}

@media (min-width: 48rem) {
  .metric-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.metric {
  background: var(--ink);
  padding: 1.1rem 1.2rem;
}

.metric strong {
  font-family: var(--display);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--text-hi);
  display: block;
  line-height: 1;
  margin-bottom: 0.4rem;
  font-variation-settings: "opsz" 72;
}

.metric span {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  display: block;
  line-height: 1.5;
}

/* Details / disclosure ----------------------------------------------------- */

.disclosure {
  border: 1px solid var(--line);
  border-bottom: 0;
}

.disclosure:last-of-type {
  border-bottom: 1px solid var(--line);
}

.disclosure summary {
  cursor: pointer;
  padding: 1rem 1.25rem;
  font-weight: 600;
  color: var(--text-hi);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: background-color 140ms ease;
}

.disclosure summary:hover {
  background: var(--panel);
}

.disclosure summary::-webkit-details-marker {
  display: none;
}

.disclosure summary::after {
  content: "+";
  font-family: var(--mono);
  color: var(--signal);
  font-size: 1rem;
  flex: none;
}

.disclosure[open] summary::after {
  content: "\2212";
}

.disclosure[open] summary {
  border-bottom: 1px solid var(--line);
}

.disclosure__body {
  padding: 1.1rem 1.25rem 1.25rem;
}

.disclosure__body p:last-child,
.disclosure__body ul:last-child {
  margin-bottom: 0;
}

/* Code blocks -------------------------------------------------------------- */

.code-figure {
  border: 1px solid var(--line-strong);
  background: var(--well);
  margin: 1.5rem 0;
}

.code-figure figcaption {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--text);
  padding: 0.7rem 1.1rem;
  border-bottom: 1px solid var(--line);
}

.code-figure pre {
  margin: 0;
  padding: 1.1rem;
  overflow-x: auto;
  font-size: 0.78rem;
  line-height: 1.65;
}

/* Limit lists on case pages ------------------------------------------------ */

.limit-list {
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--line);
  margin-top: 1.5rem;
}

.limit-list li {
  padding: 0.9rem 0.25rem;
  border-bottom: 1px solid var(--line);
  margin: 0;
  max-width: none;
  font-size: 0.95rem;
  color: var(--text-dim);
}

.limit-list strong {
  color: var(--text-hi);
  font-weight: 600;
}

/* Contact page ------------------------------------------------------------- */

.channel-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.channel {
  background: var(--ink);
  padding: 1.5rem;
  position: relative;
  transition: background-color 140ms ease;
}

.channel:hover,
.channel:focus-within {
  background: var(--panel);
}

.channel h3 {
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}

.channel p {
  font-size: 0.92rem;
  color: var(--text-dim);
  margin-bottom: 0.9rem;
}

.channel .channel-kind {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  display: block;
  margin-bottom: 0.75rem;
}

@media (min-width: 54rem) {
  .channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 404 ----------------------------------------------------------------------*/

.error-hero {
  padding-block: clamp(4rem, 12vw, 8rem);
}

.error-hero .error-code {
  font-family: var(--display);
  font-size: clamp(6rem, 22vw, 12rem);
  font-weight: 750;
  line-height: 0.9;
  color: #566b70;
  display: block;
  font-variation-settings: "opsz" 72;
}

.error-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-top: 1rem;
}

/* Clear Signal component treatment ---------------------------------------- */

.button {
  border-radius: var(--radius-sm);
  box-shadow: none;
}

.button-primary {
  box-shadow: 0 7px 18px rgb(23 109 115 / 0.16);
}

.button-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgb(23 109 115 / 0.2);
}

.button-secondary {
  background: color-mix(in srgb, var(--white) 48%, transparent);
}

.button-secondary:hover {
  background: var(--white);
}

.site-header {
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  backdrop-filter: blur(14px) saturate(1.15);
  box-shadow: 0 1px 0 rgb(19 40 46 / 0.04);
}

.brand::before {
  display: none;
}

.site-nav a[aria-current="page"] {
  color: var(--signal-hi);
}

.site-nav .nav-resume,
.menu-toggle,
.theme-toggle--bar {
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--white) 62%, transparent);
}

.section {
  border-top-color: var(--line);
  padding-block: clamp(3.5rem, 8vw, 6rem);
}

.section::before {
  width: 2.8rem;
  height: 2px;
  border-radius: 2px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.02;
}

.eyebrow {
  color: var(--signal);
  font-weight: 600;
}

.hero {
  min-height: min(44rem, calc(100vh - 4.25rem));
  display: grid;
  align-content: center;
  padding-block: clamp(3.5rem, 8vw, 6rem);
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  right: var(--pad);
  top: 10%;
  bottom: 10%;
  width: min(24vw, 17rem);
  border: 1px solid color-mix(in srgb, var(--signal) 20%, transparent);
  border-radius: 999px 999px 0 0;
  border-bottom: 0;
  pointer-events: none;
  z-index: -1;
}

.hero-status {
  color: var(--text-dim);
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.hero-status li::before {
  border-radius: 50%;
}

.hero h1 {
  color: var(--text-hi);
  font-size: clamp(4.15rem, 12vw, 8.5rem);
  font-weight: 690;
  line-height: 0.86;
  letter-spacing: -0.012em;
  margin: 0;
}

.hero-grid {
  align-items: end;
  gap: 2.25rem 5rem;
}

.hero-lede {
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  line-height: 1.48;
  max-width: 39ch;
  margin: 0;
}

@media (min-width: 60rem) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(22rem, 0.92fr);
  }
}

.plate {
  margin: 0;
  overflow: hidden;
  border-color: var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-md);
}

.plate__bar {
  background: var(--signal-soft);
  border-color: var(--line);
  padding: 1rem 1.35rem;
}

.plate__title {
  color: var(--signal-hi);
}

.plate__pane {
  background: color-mix(in srgb, var(--panel) 74%, var(--well));
}

.plate__pane--out {
  background: var(--panel);
}

.plate__stages {
  background: color-mix(in srgb, var(--signal-soft) 72%, var(--panel));
}

.plate__stages li::before {
  background: var(--white);
  border-radius: 50%;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--signal) 12%, transparent);
}

.plate__caption {
  background: var(--white);
  border-color: var(--line);
}

.tok-k {
  color: var(--code-key);
}

.tok-s {
  color: var(--code-string);
}

.tok-t {
  color: var(--signal-hi);
}

.work-list {
  gap: 0.85rem;
  border: 0;
}

.work-row {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  padding: 1.45rem 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: background-color 140ms ease, border-color 140ms ease,
    transform 140ms ease, box-shadow 140ms ease;
}

.work-row:hover,
.work-row:focus-within {
  background: var(--white);
  border-color: color-mix(in srgb, var(--signal) 35%, var(--line));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.status {
  border-radius: 999px;
  background: var(--white);
}

.status--active {
  background: var(--signal-soft);
}

.work-row__evidence strong {
  color: var(--signal-hi);
}

@media (min-width: 60rem) {
  .work-row {
    padding: 1.7rem 1.5rem;
  }
}

.record-list {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: color-mix(in srgb, var(--panel) 84%, transparent);
  box-shadow: var(--shadow-sm);
}

.record-row {
  padding: 1.2rem 1.35rem;
}

.capability-grid,
.channel-list,
.metric-list,
.assessment {
  gap: 0.75rem;
  border: 0;
  background: transparent;
}

.capability,
.channel,
.metric,
.assessment__cell {
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.capability {
  padding: 1.6rem;
}

.capability h3,
.channel h3 {
  color: var(--signal-hi);
}

.writing-list {
  gap: 0.85rem;
  border: 0;
}

.writing-row {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  padding: 1.35rem 1.25rem;
  box-shadow: var(--shadow-sm);
}

.writing-row:hover,
.writing-row:focus-within {
  background: var(--white);
  border-color: color-mix(in srgb, var(--signal) 35%, var(--line));
}

.contact-panel {
  overflow: hidden;
  border-color: #b8ceca;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--signal-soft) 72%, var(--panel)) 0%,
    var(--panel) 70%
  );
  box-shadow: var(--shadow-md);
}

.contact-panel::before {
  top: 0;
  left: 0;
  width: 0.35rem;
  height: 100%;
}

.site-footer {
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  border-color: var(--line);
}

.title-block {
  border-color: var(--line);
}

.page-hero {
  padding-block: clamp(3.25rem, 8vw, 6rem) clamp(2.75rem, 6vw, 4.5rem);
  position: relative;
}

.page-hero::after {
  content: "";
  position: absolute;
  left: var(--pad);
  bottom: 1.2rem;
  width: min(9rem, 30vw);
  height: 2px;
  background: linear-gradient(90deg, var(--signal), transparent);
}

.page-hero h1 {
  font-size: clamp(3rem, 8vw, 5.4rem);
  letter-spacing: -0.01em;
}

.case-meta,
.case-sidebar,
.scope-note {
  border-color: var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  box-shadow: var(--shadow-sm);
}

.scope-note {
  border-left: 4px solid var(--signal);
}

.assessment__cell {
  padding: 1.35rem 1.5rem;
}

.tag {
  border-radius: 999px;
  background: var(--white);
  border-color: var(--line-strong);
}

.stage-list li::before {
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 0 0 4px var(--signal-soft);
}

.metric {
  padding: 1.25rem 1.3rem;
}

.metric strong {
  color: var(--signal-hi);
}

.disclosure {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  margin-bottom: 0.7rem;
  overflow: hidden;
}

.disclosure:last-of-type {
  border-bottom: 1px solid var(--line);
}

.disclosure summary:hover {
  background: var(--signal-soft);
}

.code-figure {
  overflow: hidden;
  border-color: var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--well);
  box-shadow: var(--shadow-sm);
}

.channel {
  padding: 1.6rem;
}

.channel:hover,
.channel:focus-within {
  background: var(--white);
  border-color: color-mix(in srgb, var(--signal) 35%, var(--line));
}

.error-hero .error-code {
  color: var(--text-dim);
}

@media (max-width: 54rem) {
  html.nav-open,
  html.nav-open body {
    overflow: hidden;
  }

  .site-nav {
    background: var(--panel);
    box-shadow: 0 16px 30px rgb(19 40 46 / 0.09);
  }

  .hero {
    min-height: 0;
  }

  .hero::after {
    width: 7rem;
    top: 16%;
    bottom: 34%;
  }

  .hero h1 {
    font-size: clamp(4rem, 20vw, 5.5rem);
  }
}

/* Reduced motion ----------------------------------------------------------- */

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

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