:root {
  color-scheme: light;
  --paper: #f4f2ed;
  --paper-deep: #ebe8e1;
  --surface: #faf9f6;
  --ink: #1d1e1b;
  --ink-soft: #343530;
  --muted: #585951;
  --faint: #96978e;
  --line: #d6d2c8;
  --line-strong: #aaa69d;
  --accent: #d95532;
  --accent-dark: #a63b22;
  --accent-soft: #f1d8ce;
  --page: min(1240px, calc(100vw - 64px));
  --sans: "Helvetica Neue", "Inter", "Avenir Next", Arial, sans-serif;
  --serif: Iowan Old Style, "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --paper: #11120f;
  --paper-deep: #161713;
  --surface: #1a1b18;
  --ink: #f2efe7;
  --ink-soft: #d3d1c9;
  --muted: #a4a59c;
  --faint: #74766d;
  --line: #2d2f29;
  --line-strong: #505249;
  --accent: #f06f49;
  --accent-dark: #ff9574;
  --accent-soft: #42251c;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  transition: background-color 260ms ease, color 260ms ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.22;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
}

img,
svg {
  max-width: 100%;
}

img {
  display: block;
}

a {
  color: inherit;
}

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

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

.page-shell,
.nav-shell {
  width: var(--page);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  background: var(--ink);
  color: var(--surface);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 96%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, background-color 260ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: var(--paper);
}

.nav-shell {
  min-height: 70px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}

.wordmark {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.wordmark-mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: -0.06em;
  transition: transform 240ms var(--ease-out), background-color 180ms ease;
}

.wordmark:hover .wordmark-mark {
  transform: rotate(-8deg);
  background: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.7rem;
}

.nav-links a,
.nav-contact {
  position: relative;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.35rem;
  left: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms var(--ease-out);
}

.nav-links a:hover,
.nav-contact:hover {
  color: var(--ink);
}

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-contact {
  justify-self: end;
  color: var(--ink);
}

.nav-contact span {
  color: var(--accent);
}

.nav-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 160ms ease;
}

.theme-toggle:hover {
  color: var(--ink);
}

.theme-toggle-icon {
  color: var(--accent);
  font-size: 0.9rem;
  line-height: 1;
}

.hero {
  min-height: calc(100svh - 70px);
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(520px, 1.16fr);
  grid-template-rows: 1fr auto;
  column-gap: clamp(3rem, 7vw, 7.75rem);
  padding-block: clamp(3.4rem, 7vh, 5.75rem) 1.35rem;
}

.hero-copy {
  align-self: center;
  padding-bottom: 2.25rem;
}

.eyebrow,
.section-label,
.project-index {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.09em;
  line-height: 1.4;
  text-transform: uppercase;
}

.status-dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.hero h1 {
  margin: 1.45rem 0 1.4rem;
  font-size: clamp(3.6rem, 5.4vw, 5.5rem);
  font-weight: 680;
  letter-spacing: -0.066em;
  line-height: 0.92;
  text-wrap: balance;
}

.hero h1 span {
  font-family: var(--serif);
  font-size: 1.06em;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.055em;
}

.hero-lede {
  max-width: 33rem;
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.14rem, 1.45vw, 1.42rem);
  line-height: 1.45;
}

.hero-current {
  max-width: 33rem;
  margin: 1.2rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.hero-current span {
  margin-right: 0.5rem;
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-current a {
  color: var(--ink-soft);
  font-weight: 700;
  text-decoration-color: var(--accent);
  text-underline-offset: 0.18em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.3rem;
  margin-top: 1.65rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  min-height: 45px;
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.button--primary {
  padding: 0.8rem 1rem 0.8rem 1.15rem;
  background: var(--ink);
  color: var(--surface);
  transition: transform 200ms var(--ease-out), background-color 180ms ease;
}

.button--primary span {
  color: var(--accent);
}

.button--primary:hover {
  transform: translateY(-2px);
  background: var(--accent-dark);
}

.button--primary:hover span {
  color: var(--surface);
}

.button--text {
  border-bottom: 1px solid var(--line-strong);
  color: var(--ink-soft);
  transition: border-color 180ms ease, color 180ms ease;
}

.button--text:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.astrea-brief {
  align-self: center;
  min-width: 0;
  padding-left: clamp(2rem, 4vw, 4rem);
  border-left: 1px solid var(--line);
}

.section-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--accent-dark);
}

.section-label span {
  color: var(--muted);
}

.astrea-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.25rem;
  margin: 0.65rem 0 0.55rem;
}

.astrea-copy h2 {
  margin: 0;
  font-size: clamp(3rem, 5vw, 5.4rem);
  font-weight: 680;
  letter-spacing: -0.07em;
  line-height: 0.95;
}

.astrea-site-link {
  flex: 0 0 auto;
  margin-bottom: 0.45rem;
  padding-bottom: 0.2rem;
  border-bottom: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
  transition: border-color 160ms ease, color 160ms ease;
}

.astrea-site-link:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.astrea-copy > p:last-child {
  max-width: 39rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(0.92rem, 1.1vw, 1.05rem);
  line-height: 1.55;
}

.topology {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  margin: 1.7rem 0 0;
  overflow: hidden;
  border: 1px solid #343530;
  background: #171815;
  color: #f5f2eb;
}

.topology-toolbar {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 1rem;
  min-height: 37px;
  padding: 0 0.8rem;
  border-bottom: 1px solid #343530;
  color: #909188;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topology-toolbar span:first-child {
  color: #e9e6de;
}

.topology-toolbar i {
  display: inline-block;
  width: 0.42rem;
  height: 0.42rem;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: #63a879;
  box-shadow: 0 0 0 3px rgb(99 168 121 / 0.14);
}

.topology-scene {
  position: relative;
  min-height: 308px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, rgb(73 75 66 / 0.2), transparent 52%),
    #171815;
  perspective: 900px;
}

.topology-canvas {
  display: block;
  width: 100%;
  min-height: 308px;
  overflow: visible;
  transform: perspective(900px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) scale(1.025);
  transform-origin: 50% 54%;
  transition: transform 220ms ease-out;
  will-change: transform;
}

.world-grid {
  fill: none;
  stroke: #343630;
  stroke-width: 0.8;
  opacity: 0.72;
}

.topology-edges {
  fill: none;
  stroke: #77786f;
  stroke-width: 1.2;
}

.topology-edge {
  stroke-dasharray: 180;
  stroke-dashoffset: 180;
  transition: stroke-dashoffset 900ms var(--ease-out);
}

.astrea-brief.is-active .topology-edge {
  stroke-dashoffset: 0;
}

.astrea-brief.is-active .edge-2 { transition-delay: 100ms; }
.astrea-brief.is-active .edge-3 { transition-delay: 170ms; }
.astrea-brief.is-active .edge-4 { transition-delay: 260ms; }
.astrea-brief.is-active .edge-5 { transition-delay: 350ms; }
.astrea-brief.is-active .edge-6 { transition-delay: 230ms; }

.service-node,
.mitigation-node {
  cursor: pointer;
  outline: none;
}

.service-node text,
.mitigation-node text,
.deploy-marker text {
  fill: #a8a99f;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-anchor: middle;
  text-transform: uppercase;
}

.node-shadow {
  fill: #050505;
  opacity: 0.48;
}

.node-side {
  fill: #30312d;
  stroke: #77786f;
  stroke-width: 1;
}

.node-top {
  fill: #e5e1d7;
  stroke: #9b9c92;
  stroke-width: 1;
  transition: fill 180ms ease, stroke 180ms ease;
}

.service-light {
  fill: #62a879;
}

.service-light-warn {
  fill: #d9a34b;
}

.service-node:hover .node-top,
.service-node:focus .node-top,
.service-node.is-selected .node-top {
  fill: #ffffff;
  stroke: var(--accent);
}

.service-node:hover text,
.service-node:focus text,
.service-node.is-selected text,
.mitigation-node:hover text,
.mitigation-node:focus text,
.mitigation-node.is-selected text {
  fill: #ffffff;
}

.service-node-alert .node-side {
  fill: #5e2c20;
  stroke: var(--accent);
}

.service-node-alert .node-top,
.service-node-alert.is-selected .node-top {
  fill: #e36c49;
  stroke: #ff9a7a;
}

.service-node-alert .service-light {
  fill: #fff;
}

.alert-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}

.astrea-brief.is-active .alert-ring {
  animation: alert-pulse 2.5s ease-out 500ms infinite;
}

.deploy-marker circle {
  fill: #252622;
  stroke: var(--accent);
  stroke-width: 1;
}

.deploy-marker path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
}

.mitigation-node > path:first-child {
  fill: #232420;
  stroke: #b5b6ac;
}

.mitigation-node > path:nth-child(2) {
  fill: none;
  stroke: #d7d4cb;
  stroke-width: 1.3;
}

.mitigation-node:hover > path:first-child,
.mitigation-node:focus > path:first-child,
.mitigation-node.is-selected > path:first-child {
  fill: #3d4039;
  stroke: var(--accent);
}

.topology-readout {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  width: min(225px, 34%);
  padding: 0.8rem;
  border: 1px solid #41423c;
  background: #20211e;
  box-shadow: 0 18px 36px rgb(0 0 0 / 0.26);
}

.topology-readout > p:first-child {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.5rem;
  color: #e8886b;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.topology-readout > p:first-child span {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent);
}

.topology-readout strong {
  display: block;
  color: #f5f2eb;
  font-size: 0.83rem;
  letter-spacing: -0.01em;
}

.topology-readout > p:last-child {
  margin: 0.35rem 0 0;
  color: #a8a99f;
  font-size: 0.67rem;
  line-height: 1.45;
}

.topology figcaption {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #343530;
}

.topology figcaption span {
  padding: 0.65rem 0.35rem;
  color: #909188;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.topology figcaption span + span {
  border-left: 1px solid #343530;
}

.topology figcaption b {
  margin-right: 0.35rem;
  color: var(--accent);
}

.capability-rail {
  grid-column: 1 / -1;
  align-self: end;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 2rem 0 0;
  padding: 1.2rem 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.capability-rail li {
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.capability-rail li + li {
  padding-left: 1.25rem;
  border-left: 1px solid var(--line);
}

.capability-rail span {
  margin-right: 0.65rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.64rem;
}

.work-section {
  padding-block: clamp(6rem, 10vw, 10rem);
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(190px, 0.4fr) minmax(0, 1fr);
  gap: 4rem;
  padding-bottom: clamp(4rem, 7vw, 6rem);
}

.section-intro h2,
.about-grid h2,
.contact-grid h2 {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(2.5rem, 5vw, 5.15rem);
  font-weight: 650;
  letter-spacing: -0.06em;
  line-height: 0.98;
  text-wrap: balance;
}

.section-intro div > p {
  max-width: 46rem;
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.12rem;
}

.project-list {
  border-top: 1px solid var(--ink);
}

.project-case {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 0.58fr);
  gap: clamp(2rem, 5vw, 6rem);
  padding-block: clamp(3.5rem, 7vw, 6.5rem);
  border-bottom: 1px solid var(--line-strong);
}

.project-title-block {
  position: sticky;
  top: 100px;
  align-self: start;
  opacity: var(--title-opacity, 1);
  transform: translateY(var(--title-shift, 0px));
  will-change: opacity, transform;
}

.project-title-block.is-title-hidden {
  visibility: hidden;
  pointer-events: none;
}

.project-title-block h3 {
  margin: 1rem 0 0.65rem;
  max-width: 13ch;
  font-size: clamp(2.35rem, 4vw, 4.6rem);
  font-weight: 650;
  letter-spacing: -0.06em;
  line-height: 0.98;
  text-wrap: balance;
}

.project-title-block h3 span {
  display: block;
  margin-top: 0.5rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.3;
  text-transform: uppercase;
}

.project-kicker {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.3rem;
  margin-top: 1.5rem;
}

.project-links a {
  padding-bottom: 0.2rem;
  border-bottom: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 720;
  letter-spacing: 0.055em;
  text-decoration: none;
  text-transform: uppercase;
  transition: border-color 160ms ease, color 160ms ease;
}

.project-links a:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.project-story > p {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  line-height: 1.64;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  margin: 1.5rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.tags li {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tags li::before {
  content: "/";
  margin-right: 0.35rem;
  color: var(--accent);
}

.project-media {
  grid-column: 1 / -1;
  display: grid;
  gap: 0.75rem;
  min-width: 0;
}

.project-media--three,
.project-media--metrics {
  grid-template-columns: 1.4fr 1fr;
}

.project-media--three .media-figure--lead,
.project-media--metrics .media-figure--lead {
  grid-row: span 2;
}

.project-media--compiler {
  grid-template-columns: 1.35fr 0.65fr;
}

.media-figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
}

html[data-theme="dark"] .media-figure > img,
html[data-theme="dark"] .media-figure--pair > div {
  background: #eeece6;
}

.media-figure > img,
.media-figure--pair > div {
  width: 100%;
  height: 100%;
  max-height: 560px;
  min-height: 230px;
  object-fit: contain;
  padding: clamp(0.7rem, 1.7vw, 1.5rem);
  transition: transform 500ms var(--ease-out);
}

.media-figure:not(.media-figure--lead) > img {
  max-height: 290px;
}

.media-figure:hover > img,
.media-figure--pair:hover > div {
  transform: scale(1.012);
}

.media-figure--pair > div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.media-figure--pair img {
  width: 100%;
  height: 100%;
  min-height: 190px;
  object-fit: cover;
}

.media-figure figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.8rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  line-height: 1.4;
  text-transform: uppercase;
}

.media-figure figcaption span:first-child {
  color: var(--ink-soft);
  font-weight: 700;
}

.about-section {
  padding-block: clamp(6rem, 10vw, 10rem);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: clamp(3rem, 9vw, 9rem);
  margin-top: 2.8rem;
}

.about-grid h2 {
  max-width: 15ch;
}

.about-grid > div {
  padding-top: 0.25rem;
}

.about-grid p {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  line-height: 1.58;
}

.about-grid p + p {
  margin-top: 1.25rem;
  color: var(--muted);
}

.contact-section {
  padding-block: clamp(5rem, 8vw, 8rem);
  border-top: 1px solid var(--ink);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.34fr);
  align-items: end;
  gap: 2rem 4rem;
}

.contact-grid > .section-label {
  grid-column: 1 / -1;
}

.contact-grid h2 {
  max-width: none;
  font-size: clamp(2.25rem, 3vw, 2.75rem);
  line-height: 1.04;
}

.contact-grid > div > p {
  max-width: 36rem;
  margin: 1.2rem 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.08rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--ink);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease, border-color 180ms ease;
}

.contact-links {
  display: grid;
  min-width: 230px;
}

.contact-link span {
  color: var(--accent);
  font-size: 1.1rem;
  transition: transform 220ms var(--ease-out);
}

.contact-link:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.contact-link:hover span {
  transform: translate(3px, -3px);
}

.site-footer {
  border-top: 1px solid var(--line);
}

.site-footer .page-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  gap: 2rem;
}

.site-footer p,
.site-footer a {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
}

.js .reveal,
.js [data-reveal="hero"] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}

.js .reveal.is-visible,
.js [data-reveal="hero"].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes alert-pulse {
  0% { opacity: 0.72; transform: scale(0.7); }
  75%, 100% { opacity: 0; transform: scale(1.45); }
}

@media (max-width: 1000px) {
  :root {
    --page: min(100% - 40px, 920px);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(450px, 1.18fr);
    column-gap: 2.5rem;
  }

  .hero h1 {
    font-size: clamp(3.4rem, 6.5vw, 4.6rem);
  }

  .astrea-brief {
    padding-left: 2.5rem;
  }

  .project-case {
    grid-template-columns: minmax(210px, 0.38fr) minmax(0, 0.62fr);
    gap: 2.5rem;
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr) minmax(230px, 0.38fr);
  }

  .contact-links {
    grid-column: auto;
    justify-self: stretch;
  }
}

@media (max-width: 760px) {
  :root {
    --page: calc(100% - 36px);
  }

  html {
    scroll-padding-top: 5rem;
  }

  .nav-shell {
    min-height: 64px;
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .wordmark-name {
    font-size: 0.82rem;
  }

  .nav-contact {
    font-size: 0.7rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    display: block;
    padding-block: 3.4rem 1.2rem;
  }

  .hero-copy {
    padding-bottom: 4rem;
  }

  .hero h1 {
    margin-block: 1.2rem 1rem;
    font-size: clamp(3.25rem, 14vw, 4.5rem);
  }

  .hero-lede {
    max-width: 23rem;
    font-size: 1.12rem;
  }

  .hero-current {
    max-width: 22rem;
  }

  .hero-actions {
    gap: 1rem;
    margin-top: 1.4rem;
  }

  .button {
    font-size: 0.7rem;
  }

  .astrea-brief {
    padding: 2rem 0 0;
    border-top: 1px solid var(--ink);
    border-left: 0;
  }

  .astrea-copy h2 {
    font-size: 4.5rem;
  }

  .topology {
    margin-top: 1.4rem;
  }

  .topology-scene {
    min-height: 370px;
    padding-bottom: 112px;
  }

  .topology-canvas {
    width: 125%;
    max-width: none;
    min-height: 260px;
    margin-left: -12%;
  }

  .topology-readout {
    right: 0.7rem;
    bottom: 0.7rem;
    left: 0.7rem;
    width: auto;
  }

  .capability-rail {
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-top: 1.5rem;
  }

  .capability-rail li {
    padding: 0.8rem 0;
    border-top: 1px solid var(--line);
    line-height: 1.4;
  }

  .capability-rail li + li {
    padding-left: 0.8rem;
  }

  .capability-rail li:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .section-intro,
  .project-case,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .section-intro {
    gap: 1.8rem;
  }

  .section-intro h2,
  .about-grid h2,
  .contact-grid h2 {
    font-size: clamp(2.45rem, 11vw, 3.75rem);
  }

  .project-case {
    gap: 2rem;
    padding-block: 3.8rem;
  }

  .project-title-block {
    position: static;
  }

  .project-title-block h3 {
    max-width: 15ch;
    font-size: clamp(2.6rem, 12vw, 4rem);
  }

  .project-story > p {
    font-size: 1.06rem;
    line-height: 1.6;
  }

  .project-media,
  .project-media--three,
  .project-media--metrics,
  .project-media--compiler {
    display: flex;
    grid-column: auto;
    gap: 0.7rem;
    margin-right: calc(50% - 50vw);
    padding-right: 1.1rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .project-media::-webkit-scrollbar {
    display: none;
  }

  .media-figure,
  .project-media .media-figure--lead {
    flex: 0 0 min(86vw, 410px);
    scroll-snap-align: start;
  }

  .media-figure > img,
  .media-figure--pair > div,
  .media-figure:not(.media-figure--lead) > img {
    height: 280px;
    min-height: 0;
    max-height: none;
  }

  .about-grid {
    gap: 2.4rem;
  }

  .contact-grid {
    align-items: start;
    gap: 2rem;
  }

  .contact-links {
    grid-column: auto;
    width: 100%;
  }
}

@media (max-width: 420px) {
  :root {
    --page: calc(100% - 32px);
  }

  .hero-grid {
    padding-top: 2.9rem;
  }

  .hero h1 {
    font-size: 3.2rem;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .button--text {
    min-height: 36px;
  }

  .topology figcaption span {
    font-size: 0.53rem;
  }

  .capability-rail li {
    font-size: 0.62rem;
  }

  .media-figure,
  .project-media .media-figure--lead {
    flex-basis: 88vw;
  }

  .site-footer .page-shell {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
  }
}

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

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

  .js .reveal,
  .js [data-reveal="hero"] {
    opacity: 1;
    transform: none;
  }

  .topology-edge {
    stroke-dashoffset: 0;
  }

  .topology-canvas {
    transform: none;
  }

  .project-title-block {
    position: static;
    visibility: visible;
    opacity: 1;
    transform: none;
  }
}