:root {
  color-scheme: dark;
  --paper: #080b0f;
  --ink: #f0efe7;
  --muted: #b8b4a8;
  --faint: #7d8078;
  --panel: rgba(17, 22, 28, 0.82);
  --panel-2: rgba(23, 30, 38, 0.72);
  --line: rgba(240, 239, 231, 0.16);
  --line-strong: rgba(240, 239, 231, 0.28);
  --teal: #68d8c5;
  --amber: #f3c969;
  --green: #8bd17c;
  --red: #e36f64;
  --blue: #82aaff;
  --radius: 8px;
  --max: 1180px;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.44);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(rgba(240, 239, 231, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240, 239, 231, 0.024) 1px, transparent 1px),
    linear-gradient(135deg, rgba(104, 216, 197, 0.055), transparent 32%),
    linear-gradient(180deg, #080b0f 0%, #0c1117 48%, #07090d 100%);
  background-size: 36px 36px, 36px 36px, auto, auto;
  line-height: 1.62;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(115deg, transparent 0%, rgba(243, 201, 105, 0.05) 38%, transparent 39%),
    linear-gradient(90deg, rgba(227, 111, 100, 0.03), transparent 28%, transparent 76%, rgba(104, 216, 197, 0.035));
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.12;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 5px, rgba(255, 255, 255, 0.4) 6px, transparent 7px),
    repeating-linear-gradient(90deg, transparent 0 13px, rgba(255, 255, 255, 0.24) 14px, transparent 15px);
  mix-blend-mode: soft-light;
}

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

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

svg,
canvas,
img {
  display: block;
}

img {
  max-width: 100%;
}

i[data-lucide] {
  width: 18px;
  height: 18px;
  display: inline-block;
  flex: 0 0 auto;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  background: var(--amber);
  color: #10100b;
  font-weight: 800;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.section-wrap {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
}

#top,
#work-log,
#brief,
#case-file,
#notes,
#skills,
#contact {
  scroll-margin-top: 88px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0.7rem 0 0;
  background: linear-gradient(180deg, rgba(8, 11, 15, 0.94), rgba(8, 11, 15, 0.58) 72%, transparent);
}

.nav-shell {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  min-height: 58px;
  padding: 0.48rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  border: 1px solid rgba(240, 239, 231, 0.13);
  border-radius: 999px;
  background: rgba(8, 11, 15, 0.76);
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.58rem;
  margin-right: auto;
  min-width: 0;
  padding: 0.18rem 0.34rem 0.18rem 0.22rem;
  border-radius: 999px;
}

.brand-logo {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 8px;
  opacity: 0.92;
  filter: drop-shadow(0 8px 18px rgba(104, 216, 197, 0.1));
  transition: transform 180ms ease, filter 180ms ease;
}

.brand-mark:hover .brand-logo,
.brand-mark:focus-visible .brand-logo {
  transform: rotate(-3deg) translateY(-1px);
  filter: drop-shadow(0 12px 26px rgba(243, 201, 105, 0.18));
}

.brand-copy {
  min-width: 0;
}

.brand-mark strong,
.brand-mark small {
  display: block;
}

.brand-mark strong {
  line-height: 1.1;
  font-size: 0.95rem;
  letter-spacing: 0;
}

.brand-mark small {
  color: var(--faint);
  font-size: 0.72rem;
  line-height: 1.2;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.16rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.desktop-nav a {
  padding: 0.45rem 0.62rem;
  border: 1px solid transparent;
  border-radius: 999px;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: var(--ink);
  border-color: rgba(243, 201, 105, 0.24);
  background: rgba(255, 255, 255, 0.055);
}

.desktop-cta {
  margin-left: 0.1rem;
  min-height: 36px;
  padding: 0.45rem 0.72rem;
  border-radius: 999px;
  font-size: 0.88rem;
}

.icon-button,
.button,
.mini-button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  cursor: pointer;
}

.button {
  padding: 0.72rem 0.95rem;
  font-weight: 800;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible,
.mini-button:hover,
.mini-button:focus-visible {
  transform: translateY(-1px);
  border-color: var(--amber);
}

.button-solid {
  background: var(--amber);
  border-color: var(--amber);
  color: #171106;
}

.button-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
}

.button-quiet {
  background: transparent;
  color: var(--muted);
}

.mini-button {
  min-height: 34px;
  padding: 0.2rem 0.65rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 800;
}

.nav-toggle {
  display: none;
  width: 38px;
  min-height: 38px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
}

.mobile-menu {
  display: none;
  width: min(100% - 2rem, var(--max));
  margin: 0.5rem auto 1rem;
  padding: 0.55rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(12, 17, 23, 0.94);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.mobile-menu a {
  display: block;
  padding: 0.75rem;
  border-radius: 6px;
  color: var(--muted);
}

.mobile-menu a:hover,
.mobile-menu a:focus-visible {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.055);
}

.mobile-menu.is-open {
  display: block;
}

.hero-lab {
  min-height: calc(100vh - 74px);
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(420px, 1fr);
  gap: 3rem;
  align-items: center;
  padding: 5.25rem 0 4rem;
}

.hero-copy {
  max-width: 710px;
}

.kicker {
  margin: 0 0 0.8rem;
  color: var(--teal);
  font: 800 0.9rem/1.35 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 1.2rem;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4.45rem;
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 1rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.75rem;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.45rem;
  font-size: 1.12rem;
  line-height: 1.25;
  letter-spacing: 0;
}

h4 {
  margin: 0 0 0.55rem;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.25;
}

.hero-summary,
.section-heading p,
.contact-panel p {
  color: var(--muted);
  font-size: 1.1rem;
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.65rem;
}

.signal-row span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.88rem;
  font-weight: 800;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.workbench-details {
  display: block;
}

.workbench-summary {
  display: none;
}

.workbench {
  position: relative;
  min-height: 570px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(104, 216, 197, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(104, 216, 197, 0.06) 1px, transparent 1px),
    rgba(8, 13, 18, 0.78);
  background-size: 24px 24px, 24px 24px, auto;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.workbench::before {
  content: "java / sql / react / redis / docker";
  position: absolute;
  top: 5.6rem;
  right: -5.3rem;
  color: rgba(240, 239, 231, 0.18);
  font: 800 0.8rem/1 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  transform: rotate(90deg);
}

.workbench::after {
  content: "";
  position: absolute;
  inset: auto 2rem 2rem auto;
  width: 7.5rem;
  height: 7.5rem;
  border: 1px solid rgba(243, 201, 105, 0.22);
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
}

.coffee-mode .workbench::after {
  opacity: 1;
}

.bench-head {
  min-height: 48px;
  padding: 0.7rem 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font: 800 0.86rem/1 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

#signal-map {
  width: 100%;
  height: auto;
  aspect-ratio: 420 / 310;
}

.bench-note {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  padding: 0.9rem;
  border: 1px solid rgba(243, 201, 105, 0.34);
  border-radius: var(--radius);
  background: rgba(8, 11, 15, 0.78);
}

.bench-note strong,
.bench-note span {
  display: block;
}

.bench-note strong {
  margin-bottom: 0.25rem;
  color: var(--amber);
}

.bench-note span {
  color: var(--muted);
}

.console-strip {
  margin-top: 0;
  padding: 1rem;
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 11, 15, 0.82);
  box-shadow: var(--shadow);
}

.console-strip label {
  color: var(--amber);
  font: 800 0.86rem/1.5 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.console-input-wrap {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.55rem;
  align-items: center;
}

.console-input-wrap span {
  color: var(--green);
  font-weight: 900;
}

.console-input-wrap input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.55rem 0.7rem;
  background: rgba(255, 255, 255, 0.045);
  color: var(--ink);
}

.console-input-wrap input::placeholder {
  color: var(--faint);
}

.console-strip p {
  grid-column: 2;
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.work-log {
  padding-top: 6rem;
}

.fold-section {
  padding-top: 1.35rem;
}

.fold-details {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(8, 11, 15, 0.58);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.fold-summary {
  min-height: 76px;
  padding: 1rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
}

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

.fold-summary::after {
  content: "+";
  margin-left: auto;
  color: var(--amber);
  font: 900 1.25rem/1 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

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

.fold-details[open] .fold-summary::after {
  content: "-";
}

.fold-summary .kicker {
  margin-bottom: 0.32rem;
}

.fold-summary strong,
.fold-summary small {
  display: block;
}

.fold-summary strong {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.18rem, 2.2vw, 1.65rem);
  line-height: 1.12;
}

.fold-summary small {
  margin-top: 0.25rem;
  color: var(--muted);
}

.fold-content {
  padding: 1rem;
}

.project-stack {
  display: grid;
  gap: 1rem;
}

.brief {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1fr);
  gap: 3rem;
  align-items: start;
}

.brief-copy h2 {
  position: sticky;
  top: 110px;
}

.brief-ledger {
  border-top: 1px solid var(--line-strong);
}

.brief-ledger div {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 1rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--line);
}

.brief-ledger span {
  color: var(--amber);
  font: 800 0.86rem/1.3 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.brief-ledger strong,
.brief-ledger p {
  grid-column: 2;
}

.brief-ledger strong {
  display: block;
  margin-bottom: 0.25rem;
}

.brief-ledger p {
  margin-bottom: 0;
  color: var(--muted);
}

.section-heading {
  max-width: 840px;
  margin-bottom: 2rem;
}

.section-heading.narrow {
  max-width: 680px;
}

.section-heading a {
  color: var(--ink);
  border-bottom: 1px solid rgba(104, 216, 197, 0.48);
}

.section-heading a:hover,
.section-heading a:focus-visible {
  color: var(--teal);
}

.case-study {
  position: relative;
  padding: 1.15rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(104, 216, 197, 0.07), transparent 36%),
    linear-gradient(315deg, rgba(243, 201, 105, 0.065), transparent 35%),
    var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.case-study + .case-study {
  margin-top: 1.5rem;
}

.case-study::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0 23px, rgba(240, 239, 231, 0.04) 24px, transparent 25px),
    linear-gradient(0deg, transparent 0 23px, rgba(240, 239, 231, 0.035) 24px, transparent 25px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, black, transparent 72%);
}

.case-study > * {
  position: relative;
  z-index: 1;
}

.case-study-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: end;
  padding: 0.25rem 0.25rem 1rem;
}

.case-study-header h3 {
  margin-bottom: 0.7rem;
  max-width: 840px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.7rem, 3vw, 2.55rem);
  line-height: 1.05;
}

.case-study-header p:not(.kicker),
.case-facts dd,
.case-artifact p {
  color: var(--muted);
}

.case-study a:not(.button) {
  color: var(--ink);
  border-bottom: 1px solid rgba(104, 216, 197, 0.5);
}

.case-study a:not(.button):hover,
.case-study a:not(.button):focus-visible {
  color: var(--teal);
}

.case-links,
.case-study-header .project-links {
  justify-content: flex-end;
  margin: 0;
}

.case-facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(205px, 1fr));
  gap: 0.65rem;
}

.case-facts div {
  min-height: 178px;
  padding: 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 11, 15, 0.64);
}

.case-facts dt {
  margin-bottom: 0.6rem;
  color: var(--amber);
  font: 900 0.76rem/1.3 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.case-facts dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.55;
}

.case-artifact {
  margin-top: 0.9rem;
}

.project-stack .case-study + .case-study {
  margin-top: 0;
}

.case-artifact > summary {
  min-height: 46px;
  padding: 0.68rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
  color: var(--ink);
  cursor: pointer;
  font-weight: 900;
}

.case-artifact > summary::-webkit-details-marker {
  display: none;
}

.case-artifact > summary::after {
  content: "+";
  margin-left: auto;
  color: var(--amber);
  font: 900 1.05rem/1 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.case-artifact[open] > summary {
  margin-bottom: 0.75rem;
  border-color: rgba(243, 201, 105, 0.34);
}

.case-artifact[open] > summary::after {
  content: "-";
}

.dossier {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.dossier-sidebar {
  padding: 1.35rem;
  border-right: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(243, 201, 105, 0.08), transparent),
    rgba(255, 255, 255, 0.025);
}

.stamp {
  display: inline-flex;
  margin-bottom: 2rem;
  padding: 0.3rem 0.55rem;
  border: 1px solid rgba(227, 111, 100, 0.5);
  border-radius: 4px;
  color: var(--red);
  font: 900 0.74rem/1.3 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  transform: rotate(-2deg);
}

.dossier-sidebar p {
  color: var(--muted);
}

.dossier-tabs {
  display: grid;
  gap: 0.55rem;
  margin-top: 2rem;
}

.dossier-tabs button {
  min-height: 42px;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
  color: var(--muted);
  cursor: pointer;
  text-align: left;
  font-weight: 800;
}

.dossier-tabs button[aria-selected="true"] {
  border-color: var(--amber);
  color: var(--ink);
  background: rgba(243, 201, 105, 0.1);
}

.diagram-board {
  min-height: 520px;
  padding: 1.3rem;
  display: grid;
  place-items: center;
  background:
    linear-gradient(rgba(130, 170, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(130, 170, 255, 0.035) 1px, transparent 1px),
    rgba(4, 8, 12, 0.42);
  background-size: 28px 28px, 28px 28px, auto;
}

.diagram-panel {
  width: min(100%, 720px);
}

.diagram-panel[hidden] {
  display: none;
}

.diagram-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.diagram-row.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.diagram-node {
  min-height: 76px;
  padding: 0.9rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 20, 27, 0.88);
  color: var(--ink);
  text-align: center;
  font-weight: 900;
}

.diagram-node.person {
  border-color: rgba(104, 216, 197, 0.42);
}

.diagram-node.system {
  border-color: rgba(243, 201, 105, 0.48);
  background: rgba(45, 35, 12, 0.6);
}

.diagram-node.web {
  border-color: rgba(130, 170, 255, 0.46);
}

.diagram-node.data,
.diagram-node.source {
  border-color: rgba(139, 209, 124, 0.42);
}

.diagram-line {
  width: 1px;
  height: 46px;
  margin: 0.55rem auto;
  background: var(--line-strong);
}

.diagram-line.split {
  width: min(76%, 460px);
  height: 42px;
  background:
    linear-gradient(90deg, transparent 0, transparent 49%, var(--line-strong) 49%, var(--line-strong) 51%, transparent 51%),
    linear-gradient(90deg, var(--line-strong), var(--line-strong));
  background-size: 100% 100%, 100% 1px;
  background-repeat: no-repeat;
  background-position: center, center;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.evidence-grid article,
.notes-wall article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  box-shadow: var(--shadow);
}

.evidence-grid article {
  min-height: 180px;
  padding: 1.1rem;
}

.evidence-grid span,
.notes-wall span,
.hash {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--amber);
  font: 800 0.78rem/1.3 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.evidence-grid p,
.notes-wall p,
.log-entry li,
.tool-index dd,
.contact-panel p {
  color: var(--muted);
}

.product-case {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 0.72fr);
  gap: 1.2rem;
  padding: 1.2rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(104, 216, 197, 0.08), transparent 42%),
    linear-gradient(315deg, rgba(243, 201, 105, 0.08), transparent 36%),
    var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.product-case::before {
  content: "local-first / consent-aware / actually shipped";
  position: absolute;
  top: 1rem;
  right: -4.1rem;
  color: rgba(240, 239, 231, 0.17);
  font: 900 0.75rem/1 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  transform: rotate(90deg);
}

.product-copy {
  min-height: 420px;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-copy h3 {
  margin-bottom: 0.75rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
}

.product-copy p {
  max-width: 640px;
  color: var(--muted);
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.4rem 0 1rem;
}

.proof-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.7rem;
}

.proof-tags span {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.58rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.ledger-flow {
  min-height: 420px;
  padding: 1rem;
  display: grid;
  align-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(243, 201, 105, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(104, 216, 197, 0.055) 1px, transparent 1px),
    rgba(4, 8, 12, 0.42);
  background-size: 26px 26px, 26px 26px, auto;
}

.flow-node {
  min-height: 74px;
  padding: 0.95rem;
  display: grid;
  align-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 11, 15, 0.9);
}

.flow-node strong,
.flow-node span {
  display: block;
  text-align: center;
}

.flow-node strong {
  color: var(--ink);
}

.flow-node span {
  color: var(--faint);
  font-size: 0.88rem;
}

.flow-node.ui {
  border-color: rgba(243, 201, 105, 0.48);
}

.flow-node.local {
  border-color: rgba(104, 216, 197, 0.48);
}

.flow-node.cloud,
.flow-node.admin {
  border-color: rgba(130, 170, 255, 0.42);
}

.flow-arrow {
  width: 1px;
  height: 34px;
  margin: 0.45rem auto;
  background: var(--line-strong);
}

.flow-split {
  width: min(78%, 320px);
  height: 42px;
  margin: 0.45rem auto;
  background:
    linear-gradient(90deg, transparent 0, transparent 49%, var(--line-strong) 49%, var(--line-strong) 51%, transparent 51%),
    linear-gradient(90deg, var(--line-strong), var(--line-strong));
  background-size: 100% 100%, 100% 1px;
  background-repeat: no-repeat;
  background-position: center, center;
}

.flow-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.win-evidence article:nth-child(1) {
  border-color: rgba(104, 216, 197, 0.28);
}

.win-evidence article:nth-child(2) {
  border-color: rgba(243, 201, 105, 0.3);
}

.win-evidence article:nth-child(3) {
  border-color: rgba(130, 170, 255, 0.28);
}

.notes-wall {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr 1.1fr 0.9fr;
  gap: 1rem;
  align-items: start;
}

.notes-wall article {
  min-height: 230px;
  padding: 1.2rem;
}

.notes-wall article:nth-child(2) {
  margin-top: 2.5rem;
}

.notes-wall article:nth-child(3) {
  margin-top: 1rem;
}

.notes-wall article:nth-child(4) {
  margin-top: 4rem;
}

.work-log .section-heading {
  margin-bottom: 1.2rem;
}

.logbook {
  border-top: 1px solid var(--line-strong);
}

.log-entry {
  padding: 1.55rem 0;
  border-bottom: 1px solid var(--line);
}

.log-summary {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: start;
  cursor: pointer;
  list-style: none;
}

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

.log-summary::after {
  content: "-";
  color: var(--amber);
  font: 900 1.15rem/1 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.log-entry:not([open]) .log-summary::after {
  content: "+";
}

.log-summary time {
  color: var(--teal);
  font-weight: 900;
}

.log-detail {
  margin: 0.65rem 0 0 calc(220px + 2rem);
}

.log-detail ul {
  margin: 0;
  padding-left: 1.15rem;
}

.log-detail li + li {
  margin-top: 0.45rem;
}

.tool-index {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(520px, 1fr);
  gap: 3rem;
}

.tool-index dl {
  margin: 0;
  border-top: 1px solid var(--line-strong);
}

.tool-index dl div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.tool-index dt {
  color: var(--amber);
  font-weight: 900;
}

.tool-index dd {
  margin: 0;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: end;
  padding-bottom: 5rem;
}

.fold-content.contact-panel {
  padding-bottom: 1rem;
}

.contact-panel > div:first-child {
  max-width: 760px;
}

.contact-actions {
  justify-content: flex-end;
}

.site-footer {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.92rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.footer-logo {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.site-footer button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--faint);
  cursor: pointer;
}

.site-footer button:hover,
.site-footer button:focus-visible {
  color: var(--ink);
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  width: min(390px, calc(100% - 2rem));
  padding: 0.9rem 1rem;
  border: 1px solid rgba(104, 216, 197, 0.34);
  border-radius: var(--radius);
  background: rgba(8, 11, 15, 0.94);
  color: var(--ink);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

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

.latency-mode .signal-row span,
.latency-mode .diagram-node.system {
  border-color: var(--red);
}

.latency-mode .workbench {
  box-shadow: 0 0 0 1px rgba(227, 111, 100, 0.28), var(--shadow);
}

:focus-visible {
  outline: 3px solid rgba(243, 201, 105, 0.55);
  outline-offset: 3px;
}

@media (max-width: 1040px) {
  .desktop-nav,
  .desktop-cta {
    display: none;
  }

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

  .hero-lab,
  .brief,
  .case-study-header,
  .dossier,
  .product-case,
  .tool-index,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero-lab {
    min-height: auto;
    padding-top: 4rem;
  }

  h1 {
    font-size: 3.35rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  .workbench {
    min-height: auto;
  }

  .product-copy,
  .ledger-flow {
    min-height: auto;
  }

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

  .dossier-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .notes-wall,
  .evidence-grid,
  .case-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-links,
  .case-study-header .project-links {
    justify-content: flex-start;
  }

  .notes-wall article:nth-child(n) {
    margin-top: 0;
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .section-wrap,
  .nav-shell,
  .mobile-menu,
  .site-footer {
    width: min(100% - 1rem, var(--max));
  }

  .site-header {
    padding-top: 0.45rem;
  }

  .nav-shell {
    min-height: 54px;
    padding: 0.42rem;
  }

  .brand-logo {
    width: 32px;
    height: 32px;
    flex-basis: 32px;
  }

  .brand-mark small {
    display: none;
  }

  .brand-mark strong {
    display: block;
    max-width: 132px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .hero-lab {
    gap: 1.25rem;
    padding-top: 2.3rem;
    padding-bottom: 2rem;
  }

  .kicker {
    margin-bottom: 0.55rem;
    font-size: 0.78rem;
  }

  .signal-row {
    gap: 0.45rem;
    margin-top: 1.15rem;
  }

  .signal-row span {
    min-height: 31px;
    padding: 0.22rem 0.56rem;
    font-size: 0.78rem;
  }

  .hero-actions,
  .contact-actions {
    gap: 0.55rem;
    margin-top: 1.25rem;
  }

  .workbench-details {
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: rgba(8, 11, 15, 0.66);
    box-shadow: 0 18px 52px rgba(0, 0, 0, 0.32);
    overflow: hidden;
  }

  .workbench-summary {
    min-height: 58px;
    padding: 0.75rem 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    list-style: none;
  }

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

  .workbench-summary::after {
    content: "+";
    margin-left: auto;
    color: var(--amber);
    font: 900 1.18rem/1 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  }

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

  .workbench-details[open] .workbench-summary::after {
    content: "-";
  }

  .workbench-summary span,
  .workbench-summary small {
    display: block;
  }

  .workbench-summary span {
    color: var(--ink);
    font-weight: 900;
  }

  .workbench-summary small {
    color: var(--faint);
    font-size: 0.82rem;
  }

  .workbench-details .workbench {
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .product-case::before {
    display: none;
  }

  .workbench::before {
    display: none;
  }

  .bench-head {
    min-height: 42px;
    padding: 0.55rem 0.65rem;
  }

  .bench-head span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.78rem;
  }

  .bench-head .mini-button {
    min-height: 32px;
    padding: 0.16rem 0.55rem;
    font-size: 0.78rem;
  }

  #signal-map {
    aspect-ratio: 16 / 10;
  }

  .bench-note {
    position: static;
    margin: 0.75rem;
    padding: 0.75rem;
  }

  .bench-note span {
    font-size: 0.95rem;
    line-height: 1.42;
  }

  .fold-summary {
    min-height: 68px;
    padding: 0.85rem;
  }

  .fold-summary strong {
    font-size: 1.15rem;
  }

  .fold-summary small {
    font-size: 0.88rem;
    line-height: 1.35;
  }

  .fold-content {
    padding: 0.75rem;
  }

  h1 {
    margin-bottom: 0.9rem;
    font-size: 2.32rem;
    line-height: 1;
  }

  h2 {
    font-size: 1.72rem;
  }

  .hero-summary,
  .section-heading p,
  .contact-panel p {
    font-size: 1rem;
  }

  .console-strip {
    margin-top: 0;
    grid-template-columns: 1fr;
  }

  .console-strip p {
    grid-column: 1;
  }

  .console-input-wrap {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .console-input-wrap .mini-button {
    grid-column: 1 / -1;
  }

  .work-log {
    padding-top: 2.1rem;
  }

  .work-log .section-heading {
    margin-bottom: 0.9rem;
  }

  .log-entry {
    padding: 1.05rem 0;
  }

  .log-summary {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.55rem 0.85rem;
  }

  .log-summary time {
    grid-column: 1 / -1;
    font-size: 0.9rem;
  }

  .log-summary .hash {
    margin-bottom: 0.45rem;
  }

  .log-summary h3 {
    margin-bottom: 0;
    font-size: 1rem;
  }

  .log-detail {
    margin: 0.75rem 0 0;
  }

  .log-detail ul {
    padding-left: 1rem;
  }

  .fold-section {
    padding-top: 0.75rem;
  }

  .brief-ledger div,
  .log-entry,
  .tool-index dl div,
  .case-facts,
  .diagram-row,
  .diagram-row.three,
  .flow-row,
  .notes-wall,
  .evidence-grid {
    grid-template-columns: 1fr;
  }

  .brief-ledger strong,
  .brief-ledger p {
    grid-column: 1;
  }

  .dossier-tabs {
    grid-template-columns: 1fr;
  }

  .diagram-board {
    min-height: auto;
  }

  .diagram-line,
  .diagram-line.split,
  .flow-split {
    width: 1px;
    height: 34px;
    background: var(--line-strong);
  }

  .button {
    width: 100%;
  }

  .hero-actions,
  .contact-actions {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}