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

:root {
  --bone: #f7f4ee;
  --paper: #fcfaf6;
  --paper-deep: #efebe3;
  --carbon: #20211f;
  --ink-soft: #62615d;
  --ink-faint: #85817a;
  --rust: #b54832;
  --rust-dark: #913a29;
  --aubergine: #665b72;
  --sage: #69756a;
  --line: rgba(32, 33, 31, 0.2);
  --line-soft: rgba(32, 33, 31, 0.11);
  --positive: #337153;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Baskerville, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --max-width: 1500px;
  --page-pad: clamp(20px, 4vw, 64px);
  --section-pad: clamp(76px, 9vw, 144px);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--bone);
  color: var(--carbon);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-locked {
  overflow: hidden;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  font-weight: 500;
  line-height: 1.04;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--rust) 78%, white);
  outline-offset: 4px;
}

::selection {
  background: rgba(181, 72, 50, 0.18);
}

.page-shell {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding-inline: var(--page-pad);
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--carbon);
  color: var(--paper);
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

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

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 244, 238, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.site-nav {
  width: min(100%, var(--max-width));
  min-height: 84px;
  margin: 0 auto;
  padding: 14px var(--page-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.brand {
  min-width: max-content;
  display: grid;
  grid-template-columns: 7px auto auto;
  align-items: center;
  gap: 20px;
}

.brand-rule {
  width: 6px;
  height: 40px;
  background: var(--rust);
}

.brand-name {
  font-size: 0.93rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.brand-role {
  color: var(--ink-soft);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(22px, 2.6vw, 42px);
}

.nav-links,
.nav-social {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 34px);
}

.nav-links a,
.nav-social a,
.site-footer a,
.contact-links a {
  position: relative;
  font-size: 0.88rem;
  font-weight: 550;
}

.nav-links a::after,
.nav-social a::after,
.site-footer a::after,
.contact-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.nav-links a:hover::after,
.nav-social a:hover::after,
.site-footer a:hover::after,
.contact-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-social {
  padding-left: clamp(18px, 2vw, 32px);
  border-left: 1px solid var(--line);
}

.nav-social a {
  color: var(--ink-soft);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.external-mark {
  margin-left: 4px;
  color: var(--rust);
}

.header-contact {
  min-width: max-content;
  padding: 10px 20px;
  border: 1px solid var(--carbon);
  font-size: 0.86rem;
  transition: background 180ms ease, color 180ms ease;
}

.header-contact:hover {
  background: var(--carbon);
  color: var(--paper);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border: 0;
  background: transparent;
  color: var(--carbon);
  cursor: pointer;
}

.nav-toggle-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-toggle-lines {
  width: 24px;
  display: grid;
  gap: 6px;
}

.nav-toggle-lines span {
  display: block;
  width: 100%;
  height: 1px;
  background: currentColor;
  transition: transform 180ms ease;
}

/* ---------- shared actions ---------- */
.button {
  min-height: 54px;
  padding: 14px 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  border: 1px solid transparent;
  font-size: 0.98rem;
  font-weight: 550;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--rust);
  color: white;
}

.button-primary:hover {
  background: var(--rust-dark);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  padding: 13px 0 10px;
  border-bottom: 1px solid var(--rust);
  font-weight: 550;
  transition: gap 180ms ease, color 180ms ease;
}

.text-link:hover {
  gap: 34px;
  color: var(--rust-dark);
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background-color: var(--bone);
  background-image:
    linear-gradient(rgba(32, 33, 31, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 33, 31, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(247, 244, 238, 0.98) 0%, rgba(247, 244, 238, 0.68) 46%, rgba(247, 244, 238, 0.22) 100%);
}

.hero-grid {
  position: relative;
  min-height: min(760px, calc(100vh - 84px));
  padding-block: clamp(92px, 12vw, 172px);
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(310px, 0.55fr);
  align-items: center;
  gap: clamp(60px, 8vw, 130px);
}

.hero-copy {
  max-width: 1100px;
}

.eyebrow,
.section-kicker,
.diagram-kicker,
.analysis-label,
.project-status {
  color: var(--aubergine);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}

.eyebrow > span {
  width: 45px;
  height: 1px;
  background: var(--rust);
}

.hero-greeting {
  margin-bottom: 18px;
  color: var(--rust);
  font-family: var(--serif);
  font-size: 1.65rem;
  font-style: italic;
  line-height: 1.2;
}

.hero h1 {
  max-width: 17ch;
  font-family: var(--serif);
  font-size: 4.6rem;
  letter-spacing: -0.048em;
}

.hero-summary {
  max-width: 690px;
  margin-top: 28px;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 1.5vw, 1.45rem);
  line-height: 1.5;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
}

/* ---------- architecture ---------- */
.architecture-card {
  min-width: 0;
  padding: clamp(22px, 2.6vw, 38px);
  border: 1px solid var(--line);
  background: rgba(252, 250, 246, 0.83);
}

.architecture-heading {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.architecture-heading h2 {
  margin-top: 4px;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2vw, 2rem);
  letter-spacing: -0.025em;
}

.diagram-kicker {
  color: var(--rust);
}

.architecture-layout {
  padding-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(140px, 0.26fr);
  gap: 24px;
}

.architecture-tier {
  display: grid;
  grid-template-columns: minmax(162px, 0.4fr) minmax(0, 1fr);
  align-items: stretch;
  border: 1px solid var(--line-soft);
  background: rgba(247, 244, 238, 0.7);
}

.tier-label {
  padding: 16px 18px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 12px;
  border-right: 1px solid var(--line-soft);
}

.tier-label h3 {
  padding-top: 2px;
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.tier-label p {
  margin-top: 7px;
  color: var(--ink-faint);
  font-size: 0.63rem;
  line-height: 1.45;
}

.tier-number {
  color: var(--rust);
  font-family: var(--serif);
  font-size: 0.72rem;
}

.tier-nodes {
  padding: 9px;
  display: grid;
  gap: 8px;
}

.tier-nodes-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.architecture-node {
  min-width: 0;
  min-height: 68px;
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--serif);
  font-size: clamp(0.72rem, 0.9vw, 0.86rem);
  line-height: 1.1;
  text-align: center;
}

.node-symbol {
  position: relative;
  width: 20px;
  height: 18px;
  display: block;
  color: var(--aubergine);
}

.node-browser {
  border: 1.5px solid currentColor;
}

.node-browser::before {
  content: "";
  position: absolute;
  top: 3px;
  right: 0;
  left: 0;
  border-top: 1px solid currentColor;
}

.node-accessible::before {
  content: "";
  position: absolute;
  top: 0;
  left: 7px;
  width: 6px;
  height: 6px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}

.node-accessible::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 3px;
  width: 14px;
  height: 8px;
  border: 1.5px solid currentColor;
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
}

.node-api {
  width: 17px;
  height: 17px;
  border: 1.5px solid currentColor;
  transform: rotate(45deg);
}

.node-api::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid currentColor;
}

.node-lock {
  height: 14px;
  margin-top: 4px;
  border: 1.5px solid currentColor;
}

.node-lock::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 5px;
  width: 8px;
  height: 8px;
  border: 1.5px solid currentColor;
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
}

.node-search::before {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  width: 12px;
  height: 12px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}

.node-search::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 1px;
  width: 8px;
  border-top: 1.5px solid currentColor;
  transform: rotate(45deg);
  transform-origin: right;
}

.node-database {
  border-right: 1.5px solid currentColor;
  border-left: 1.5px solid currentColor;
}

.node-database::before,
.node-database::after {
  content: "";
  position: absolute;
  right: -1.5px;
  left: -1.5px;
  height: 6px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}

.node-database::before {
  top: -1px;
}

.node-database::after {
  bottom: -1px;
}

.node-vector {
  background:
    radial-gradient(circle at 25% 25%, currentColor 0 1.5px, transparent 2px),
    radial-gradient(circle at 75% 25%, currentColor 0 1.5px, transparent 2px),
    radial-gradient(circle at 25% 75%, currentColor 0 1.5px, transparent 2px),
    radial-gradient(circle at 75% 75%, currentColor 0 1.5px, transparent 2px);
}

.node-vector::before,
.node-vector::after {
  content: "";
  position: absolute;
  background: currentColor;
  opacity: 0.7;
}

.node-vector::before {
  top: 4px;
  bottom: 4px;
  left: 9.5px;
  width: 1px;
}

.node-vector::after {
  top: 8.5px;
  right: 4px;
  left: 4px;
  height: 1px;
}

.node-nosql::before,
.node-nosql::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 10px;
  border: 1.5px solid currentColor;
}

.node-nosql::before {
  top: 1px;
  left: 1px;
}

.node-nosql::after {
  right: 1px;
  bottom: 1px;
  background: var(--paper);
}

.tier-connector {
  position: relative;
  height: 24px;
}

.tier-connector::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 61%;
  border-left: 1px solid var(--aubergine);
}

.tier-connector::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: calc(61% - 3px);
  width: 7px;
  height: 7px;
  border-right: 1px solid var(--aubergine);
  border-bottom: 1px solid var(--aubergine);
  transform: rotate(45deg);
}

.architecture-notes {
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  gap: 20px;
  border-left: 1px dashed rgba(181, 72, 50, 0.55);
}

.architecture-note {
  position: relative;
}

.note-mark {
  position: absolute;
  top: 5px;
  left: -23px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--rust);
  background: var(--paper);
}

.architecture-note h3 {
  font-family: var(--serif);
  font-size: 1rem;
}

.architecture-note p {
  margin-top: 7px;
  color: var(--ink-soft);
  font-size: 0.68rem;
  line-height: 1.45;
}

.architecture-caption {
  margin-top: 18px;
  color: var(--ink-faint);
  font-family: var(--serif);
  font-size: 0.76rem;
  font-style: italic;
  text-align: center;
}

/* ---------- principles ---------- */
.hero-principles {
  align-self: center;
  border-top: 1px solid var(--line);
  transform: translateX(-48px);
}

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

.principles-list li {
  padding: 25px 0;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 16px;
  align-items: start;
  border-bottom: 1px solid var(--line);
}

.principles-list li + li {
  border-left: 0;
}

.principle-number,
.project-index {
  color: var(--rust);
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1;
}

.project-index {
  font-size: 1.4rem;
}

.principles-list h3 {
  font-family: var(--serif);
  font-size: 1.3rem;
}

.principles-list p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.5;
}

/* ---------- projects ---------- */
.projects {
  padding-block: var(--section-pad);
  background: var(--paper-deep);
}

.section-heading {
  margin-bottom: clamp(44px, 6vw, 84px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.55fr);
  align-items: end;
  gap: 60px;
}

.section-kicker {
  margin-bottom: 16px;
  color: var(--rust);
}

.section-heading h2,
.about h2,
.contact h2 {
  max-width: 850px;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 4.7vw, 5rem);
  letter-spacing: -0.045em;
}

.section-intro {
  padding-bottom: 8px;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.65;
}

.project-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.project-card {
  min-width: 0;
  border: 1px solid var(--line-soft);
  background: var(--paper);
  overflow: hidden;
}

.project-card-body {
  padding: clamp(22px, 2.4vw, 32px);
}

.project-header {
  min-height: 0;
  display: block;
}

.project-meta {
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.project-meta .project-index {
  font-size: 1rem;
}

.project-status {
  margin: 0;
  color: var(--sage);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
}

.project-status span {
  width: 7px;
  height: 7px;
  margin-right: 7px;
  display: inline-block;
  border-radius: 50%;
  background: var(--positive);
}

.project-header h3 {
  font-family: var(--serif);
  font-size: clamp(2rem, 2.8vw, 2.75rem);
  letter-spacing: -0.035em;
}

.project-positioning {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.project-visit {
  margin-top: 22px;
  padding-bottom: 4px;
  display: inline-block;
  border-bottom: 1px solid var(--rust);
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-image-link {
  aspect-ratio: 1200 / 578;
  display: block;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background: #111217;
}

/* The source capture includes an empty eight-pixel black strip at its bottom. */
.project-image-link-trim-bottom {
  aspect-ratio: 1200 / 578;
}

.project-image-link-trim-bottom .project-image {
  object-position: center top;
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.58) contrast(0.96);
  transition: transform 300ms ease, filter 300ms ease;
}

.project-image-link:hover .project-image {
  transform: scale(1.015);
  filter: saturate(0.8) contrast(1);
}

.project-summary {
  margin-top: 20px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.65;
}

.project-details {
  margin-top: 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.project-details summary {
  padding-block: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--carbon);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

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

.project-details summary::after {
  content: "+";
  color: var(--rust);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1;
}

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

.project-details > div {
  padding: 4px 0 18px;
}

.project-details p {
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.55;
}

.project-details ul {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 16px;
}

.project-details li {
  position: relative;
  padding-left: 12px;
  color: var(--ink-soft);
  font-size: 0.72rem;
  line-height: 1.4;
}

.project-details li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 5px;
  border-top: 1px solid var(--rust);
}

.project-analysis {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.project-analysis section {
  padding: 18px 14px 18px 0;
}

.project-analysis section + section {
  padding-left: 14px;
  border-left: 1px solid var(--line-soft);
}

.analysis-label {
  margin-bottom: 8px;
  color: var(--rust);
  font-size: 0.61rem;
  letter-spacing: 0.13em;
}

.project-analysis section > p:last-child {
  color: var(--ink-soft);
  font-size: 0.76rem;
  line-height: 1.5;
}

.project-evidence {
  padding-top: 22px;
}

.project-evidence ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 20px;
}

.project-evidence li {
  position: relative;
  padding-left: 14px;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.project-evidence li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 5px;
  border-top: 1px solid var(--rust);
}

.technology-list {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.technology-list li {
  padding: 5px 9px;
  border: 1px solid var(--line-soft);
  background: var(--bone);
  color: var(--ink-soft);
  font-size: 0.66rem;
  letter-spacing: 0.02em;
}

/* ---------- about ---------- */
.about {
  padding-block: var(--section-pad);
  background: var(--bone);
}

.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(420px, 0.75fr);
  gap: clamp(60px, 10vw, 180px);
}

.about h2 {
  max-width: 10ch;
}

.about-copy {
  padding-top: 34px;
}

.about-copy p {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.8;
}

.about-copy p + p {
  margin-top: 22px;
}

.about-copy .about-lead {
  color: var(--carbon);
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.4vw, 2.25rem);
  line-height: 1.38;
}

/* ---------- contact ---------- */
.contact {
  padding-block: var(--section-pad);
  background: var(--carbon);
  color: var(--paper);
}

.contact .section-kicker {
  color: #d97762;
}

.contact h2 {
  max-width: 12ch;
}

.contact-actions {
  padding-top: 36px;
}

.contact-actions > p {
  max-width: 560px;
  color: rgba(252, 250, 246, 0.7);
  line-height: 1.8;
}

.contact-actions .button {
  margin-top: 30px;
}

.contact-links {
  margin-top: 40px;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  border-top: 1px solid rgba(252, 250, 246, 0.24);
}

.contact-links a {
  color: rgba(252, 250, 246, 0.82);
}

/* ---------- footer ---------- */
.site-footer {
  padding-block: 28px;
  border-top: 1px solid rgba(252, 250, 246, 0.14);
  background: var(--carbon);
  color: rgba(252, 250, 246, 0.58);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  font-size: 0.73rem;
  letter-spacing: 0.04em;
}

.footer-inner p:nth-child(2) {
  text-align: center;
}

.footer-inner a {
  justify-self: end;
  color: rgba(252, 250, 246, 0.8);
}

/* ---------- responsive ---------- */
@media (max-width: 1280px) {
  .site-nav {
    gap: 20px;
  }

  .brand {
    gap: 14px;
  }

  .brand-role {
    display: none;
  }

  .nav-menu {
    gap: 22px;
  }

  .hero-grid {
    min-height: min(700px, calc(100vh - 84px));
  }

  .hero-copy {
    max-width: 1100px;
  }

  .hero h1 {
    max-width: 17ch;
  }

  .architecture-card {
    max-width: 980px;
  }
}

@media (max-width: 1020px) {
  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 64px;
  }

  .hero-principles {
    width: 100%;
    transform: none;
  }

  .section-heading,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .about-copy,
  .contact-actions {
    max-width: 760px;
    padding-top: 0;
  }

  .about h2,
  .contact h2 {
    max-width: 13ch;
  }
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 76px;
  }

  .site-nav {
    min-height: 74px;
    flex-wrap: wrap;
  }

  .brand-rule {
    height: 34px;
  }

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

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

  .nav-menu {
    width: 100%;
    padding: 20px 0 12px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: 24px;
    border-top: 1px solid var(--line);
  }

  .js .nav-menu {
    display: none;
  }

  .js .site-header.nav-open .nav-menu {
    display: grid;
  }

  .site-header.nav-open .nav-toggle-lines span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .site-header.nav-open .nav-toggle-lines span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .hero h1 {
    font-size: 4rem;
  }

  .nav-links {
    grid-row: 1 / span 2;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .nav-links a {
    font-family: var(--serif);
    font-size: 1.45rem;
  }

  .nav-social {
    padding: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    border: 0;
  }

  .header-contact {
    text-align: center;
  }

  .architecture-layout {
    grid-template-columns: 1fr;
  }

  .architecture-notes {
    padding: 22px 0 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px dashed rgba(181, 72, 50, 0.55);
    border-left: 0;
  }

  .note-mark {
    top: -27px;
    left: 0;
  }

  .principles-list {
    grid-template-columns: 1fr;
  }

  .principles-list li + li {
    border-top: 0;
    border-left: 0;
  }
}

@media (max-width: 650px) {
  :root {
    --page-pad: 20px;
  }

  .hero-grid {
    min-height: auto;
    padding-block: 76px 84px;
  }

  .hero h1 {
    font-size: 3.15rem;
  }

  .eyebrow {
    align-items: flex-start;
    font-size: 0.65rem;
    line-height: 1.5;
  }

  .eyebrow > span {
    margin-top: 0.7em;
    flex: 0 0 30px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
  }

  .button,
  .text-link {
    width: 100%;
  }

  .text-link {
    justify-content: space-between;
  }

  .architecture-card {
    padding: 18px;
  }

  .architecture-tier {
    grid-template-columns: 1fr;
  }

  .tier-label {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .tier-label p {
    max-width: none;
  }

  .tier-nodes-three {
    grid-template-columns: 1fr;
  }

  .tier-nodes-two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tier-connector::before {
    left: 50%;
  }

  .tier-connector::after {
    left: calc(50% - 3px);
  }

  .architecture-notes {
    grid-template-columns: 1fr;
  }

  .project-header {
    min-height: 0;
    grid-template-columns: auto 1fr;
  }

  .project-visit {
    margin-top: 22px;
  }

  .project-analysis {
    grid-template-columns: 1fr;
  }

  .project-analysis section,
  .project-analysis section + section {
    padding: 16px 0;
    border-left: 0;
  }

  .project-analysis section + section {
    border-top: 1px solid var(--line-soft);
  }

  .project-evidence ul {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 10px;
    text-align: left;
  }

  .footer-inner p:nth-child(2) {
    text-align: left;
  }

  .footer-inner a {
    justify-self: start;
  }
}

@media (max-width: 420px) {
  .brand-name {
    max-width: 120px;
    line-height: 1.25;
  }

  .nav-menu {
    grid-template-columns: 1fr;
  }

  .nav-links {
    grid-row: auto;
  }

  .tier-nodes-two {
    grid-template-columns: 1fr;
  }

  .principles-list li {
    padding-inline: 0;
  }
}

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

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

@media print {
  .site-header,
  .hero-actions,
  .project-visit,
  .contact-actions .button,
  .site-footer {
    display: none;
  }

  .hero,
  .projects,
  .about,
  .contact {
    background: white;
    color: black;
  }

  .hero-grid {
    min-height: auto;
  }

  .project-list {
    grid-template-columns: 1fr;
  }
}