:root {
  --ink: #15221e;
  --muted: #66716b;
  --green-950: #0b2b24;
  --green-900: #103a31;
  --green-800: #174d40;
  --green-700: #19715a;
  --green-500: #43a587;
  --mint: #d9eee7;
  --paper: #f4f1e9;
  --paper-light: #fbfaf6;
  --line: #d9d7ce;
  --gold: #d1a756;
  --gold-light: #f1dca8;
  --red: #a3493f;
  --serif: "Iowan Old Style", "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  --sans: "Avenir Next", Avenir, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --shadow: 0 30px 80px rgba(15, 42, 34, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 84% 5%, rgba(67, 165, 135, 0.1), transparent 24rem),
    var(--paper-light);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.27;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.055'/%3E%3C/svg%3E");
}

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

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: white;
  background: var(--green-900);
  transform: translateY(-200%);
}

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

.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;
}

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  width: min(92vw, 1400px);
  min-height: 92px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(21, 34, 30, 0.14);
}

.header-tools {
  display: flex;
  gap: clamp(0.9rem, 1.7vw, 1.6rem);
  align-items: center;
}

.brand {
  display: inline-flex;
  gap: 0.8rem;
  align-items: center;
}

.brand img,
.footer-brand img {
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(8, 43, 35, 0.18);
}

.brand span,
.footer-brand div {
  display: grid;
  gap: 0.1rem;
}

.brand strong,
.footer-brand strong {
  font-family: var(--serif);
  font-size: 1.08rem;
  letter-spacing: 0.02em;
}

.brand small,
.footer-brand span {
  color: var(--muted);
  font-size: 0.67rem;
  letter-spacing: 0.14em;
}

nav {
  display: flex;
  gap: clamp(1rem, 2.3vw, 2.4rem);
  align-items: center;
  color: #394640;
  font-size: 0.86rem;
}

nav a {
  position: relative;
  padding: 0.55rem 0;
}

nav a:not(.nav-github)::after {
  position: absolute;
  right: 0;
  bottom: 0.25rem;
  left: 0;
  height: 1px;
  content: "";
  background: var(--green-700);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 200ms ease;
}

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

.nav-github {
  padding: 0.75rem 1rem;
  color: white;
  background: var(--green-950);
  border-radius: 999px;
}

.language-switch {
  display: inline-grid;
  min-width: 74px;
  padding: 3px;
  color: #53605a;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.63rem;
  font-weight: 700;
  grid-template-columns: repeat(2, 1fr);
}

.language-switch a,
.language-switch span {
  display: grid;
  min-width: 31px;
  min-height: 28px;
  place-items: center;
  border-radius: 999px;
}

.language-switch span[aria-current="true"] {
  color: white;
  background: var(--green-900);
}

.language-switch a {
  transition: color 180ms ease, background 180ms ease;
}

.language-switch a:hover {
  color: var(--green-900);
  background: var(--mint);
}

.language-switch a:focus-visible,
.nav-toggle:focus-visible,
a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.nav-toggle {
  display: none;
}

.hero {
  display: grid;
  width: min(92vw, 1400px);
  min-height: 780px;
  margin: 0 auto;
  padding: clamp(5rem, 8vw, 8.5rem) 0 8rem;
  grid-template-columns: minmax(360px, 0.78fr) minmax(560px, 1.22fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: center;
}

.eyebrow,
.kicker {
  margin: 0 0 1.5rem;
  color: var(--green-700);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.eyebrow {
  display: flex;
  gap: 0.7rem;
  align-items: center;
}

.eyebrow span {
  width: 1.75rem;
  height: 1px;
  background: var(--gold);
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.045em;
}

h1 {
  font-size: clamp(3.4rem, 5.2vw, 5.5rem);
  line-height: 0.98;
}

body[data-locale="en"] h1 {
  font-size: clamp(3.25rem, 4.7vw, 5rem);
  line-height: 0.97;
}

body[data-locale="en"] h2 {
  letter-spacing: -0.035em;
}

h1 em {
  position: relative;
  color: var(--green-700);
  font-style: normal;
}

h1 em::after {
  position: absolute;
  right: -0.2rem;
  bottom: 0.06em;
  left: 0;
  z-index: -1;
  height: 0.17em;
  content: "";
  background: var(--gold-light);
  transform: rotate(-1deg);
}

.hero-lead {
  max-width: 38rem;
  margin: 2rem 0 0;
  color: #55605b;
  font-size: clamp(1rem, 1.25vw, 1.16rem);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  gap: 0.85rem;
  margin-top: 2.35rem;
  align-items: center;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  min-height: 52px;
  padding: 0 1.35rem;
  gap: 1.15rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 650;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-primary {
  color: white;
  background: var(--green-800);
  box-shadow: 0 14px 30px rgba(16, 58, 49, 0.19);
}

.button-primary:hover {
  background: var(--green-700);
  box-shadow: 0 18px 38px rgba(16, 58, 49, 0.25);
}

.button-primary b {
  font-size: 1.2rem;
}

.button-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.47);
}

.button-ghost:hover {
  border-color: var(--green-500);
}

.trust-list {
  display: flex;
  padding: 0;
  margin: 2rem 0 0;
  gap: 0.75rem 1.25rem;
  color: var(--muted);
  font-size: 0.72rem;
  list-style: none;
  flex-wrap: wrap;
}

.trust-list li::before {
  margin-right: 0.4rem;
  color: var(--green-500);
  content: "●";
  font-size: 0.55rem;
}

.hero-stage {
  position: relative;
  min-width: 0;
  padding: 4rem 0 4rem 3rem;
}

.product-frame,
.journal-frame {
  position: relative;
  z-index: 3;
  margin: 0;
  overflow: hidden;
  background: white;
  border: 1px solid rgba(21, 34, 30, 0.12);
  box-shadow: var(--shadow);
}

.product-frame {
  border-radius: 5px;
  transform: perspective(1400px) rotateY(-4deg) rotateX(1deg);
  transform-origin: center left;
}

.window-bar {
  display: flex;
  height: 34px;
  padding: 0 0.75rem;
  gap: 0.35rem;
  align-items: center;
  background: #f0eee7;
  border-bottom: 1px solid #dedbd2;
}

.window-bar > span {
  width: 8px;
  height: 8px;
  background: #b8bbb6;
  border-radius: 50%;
}

.window-bar > span:first-child {
  background: #d0a65c;
}

.window-bar small {
  margin-left: auto;
  color: #8a8f8b;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-seal {
  position: absolute;
  top: 0;
  right: 1.25rem;
  z-index: 5;
  padding: 0.55rem;
  background: rgba(251, 250, 246, 0.87);
  border: 1px solid rgba(21, 34, 30, 0.12);
  border-radius: 24px;
  box-shadow: 0 20px 45px rgba(15, 42, 34, 0.17);
  backdrop-filter: blur(10px);
}

.brand-seal img {
  border-radius: 18px;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(25, 113, 90, 0.19);
  border-radius: 50%;
}

.orbit::after {
  position: absolute;
  width: 10px;
  height: 10px;
  content: "";
  background: var(--gold);
  border: 4px solid var(--paper-light);
  border-radius: 50%;
}

.orbit-one {
  top: 6%;
  right: 2rem;
  width: 74%;
  aspect-ratio: 1;
  transform: rotate(25deg);
}

.orbit-one::after {
  top: 11%;
  left: 15%;
}

.orbit-two {
  right: 8%;
  bottom: 0;
  width: 54%;
  aspect-ratio: 1;
  transform: rotate(-20deg);
}

.orbit-two::after {
  right: 4%;
  bottom: 20%;
}

.evidence-note {
  position: absolute;
  z-index: 4;
  display: flex;
  min-width: 145px;
  padding: 0.8rem 0.9rem;
  gap: 0.65rem;
  align-items: center;
  color: #31413a;
  background: rgba(251, 250, 246, 0.91);
  border: 1px solid rgba(21, 34, 30, 0.12);
  box-shadow: 0 10px 30px rgba(15, 42, 34, 0.11);
  backdrop-filter: blur(8px);
}

.evidence-note b {
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.evidence-note span {
  font-size: 0.76rem;
  font-weight: 650;
}

.note-one {
  top: 35%;
  left: 0;
}

.note-two {
  right: -2%;
  bottom: 20%;
}

.note-three {
  bottom: 0;
  left: 16%;
}

.principles {
  display: grid;
  width: min(92vw, 1400px);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(4, 1fr);
}

.principles article {
  display: grid;
  min-height: 116px;
  padding: 1.65rem;
  gap: 0.55rem;
  align-content: center;
  border-right: 1px solid var(--line);
}

.principles article:last-child {
  border-right: 0;
}

.principles b {
  color: var(--green-700);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
}

.principles span {
  color: #515c57;
  font-size: 0.82rem;
}

.section {
  width: min(92vw, 1240px);
  margin: 0 auto;
  padding: clamp(7rem, 11vw, 11rem) 0;
}

.section-heading {
  display: grid;
  margin-bottom: 4rem;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
}

.section-heading .kicker {
  grid-column: 1 / -1;
  margin-bottom: -1.8rem;
}

h2 {
  font-size: clamp(2.75rem, 5vw, 5.25rem);
  line-height: 1.08;
}

.section-heading > p:last-child,
.interface-copy > p,
.download-heading > p:last-child,
.open-source > div > p:last-child {
  align-self: end;
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.capability-grid {
  display: grid;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  grid-template-columns: repeat(4, 1fr);
}

.capability-card {
  position: relative;
  min-height: 420px;
  padding: 2rem 1.75rem;
  background: rgba(255, 255, 255, 0.33);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 220ms ease, transform 220ms ease, box-shadow 220ms ease;
}

.capability-card:hover {
  z-index: 2;
  background: white;
  box-shadow: 0 25px 60px rgba(15, 42, 34, 0.1);
  transform: translateY(-5px);
}

.feature-card {
  color: #f5f1e8;
  background: var(--green-900);
}

.feature-card:hover {
  background: var(--green-800);
}

.card-index {
  position: absolute;
  top: 1.1rem;
  right: 1.2rem;
  color: #89928e;
  font-family: var(--mono);
  font-size: 0.66rem;
}

.feature-card .card-index {
  color: #8fb8ac;
}

.card-icon {
  display: grid;
  width: 52px;
  height: 52px;
  margin: 4rem 0 2rem;
  place-items: center;
  color: var(--green-700);
  background: var(--mint);
  border-radius: 50%;
  font-size: 1.4rem;
}

.feature-card .card-icon {
  color: var(--green-900);
  background: var(--gold-light);
}

.capability-card h3 {
  margin: 0 0 1rem;
  font-family: var(--serif);
  font-size: 1.65rem;
}

.capability-card p {
  min-height: 8rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.8;
}

.feature-card p {
  color: #c1d0ca;
}

.capability-card ul {
  padding: 1.2rem 0 0;
  margin: 0;
  border-top: 1px solid rgba(103, 113, 107, 0.25);
  color: #4d5a54;
  font-size: 0.75rem;
  line-height: 1.9;
  list-style: none;
}

.feature-card ul {
  color: #d8e3de;
  border-color: rgba(255, 255, 255, 0.16);
}

.capability-card li::before {
  margin-right: 0.5rem;
  color: var(--green-500);
  content: "—";
}

.feature-card li::before {
  color: var(--gold);
}

.interface {
  display: grid;
  width: 100%;
  max-width: none;
  padding-right: max(4vw, calc((100vw - 1400px) / 2));
  padding-left: max(4vw, calc((100vw - 1400px) / 2));
  overflow: hidden;
  background: var(--paper);
  grid-template-columns: minmax(340px, 0.7fr) minmax(620px, 1.3fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: center;
}

.interface-copy h2 {
  margin-bottom: 2rem;
}

.interface-points {
  display: grid;
  margin-top: 2.6rem;
  border-top: 1px solid var(--line);
}

.interface-points div {
  display: grid;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
}

.interface-points b {
  color: var(--green-700);
  font-family: var(--serif);
}

.interface-points span {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.65;
}

.journal-frame {
  overflow: visible;
  border: 0;
  box-shadow: none;
}

.journal-frame img {
  width: 100%;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.journal-frame figcaption {
  margin-top: 1rem;
  color: #7d847f;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.download {
  width: min(92vw, 1100px);
}

.download-heading {
  max-width: 760px;
  margin-bottom: 3.5rem;
}

.download-heading h2 {
  margin-bottom: 1.75rem;
}

.download-heading > p:last-child {
  max-width: 650px;
}

.download-grid {
  display: grid;
  gap: 0.8rem;
}

.quick-steps {
  display: grid;
  padding: 0;
  margin: 0 0 2rem;
  background: var(--green-950);
  color: #edf4f1;
  list-style: none;
  grid-template-columns: repeat(3, 1fr);
}

.quick-steps li {
  display: grid;
  min-height: 118px;
  padding: 1.35rem;
  gap: 1rem;
  align-items: start;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  grid-template-columns: 2rem 1fr;
}

.quick-steps li:last-child {
  border-right: 0;
}

.quick-steps b {
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.67rem;
}

.quick-steps span {
  display: grid;
  gap: 0.45rem;
}

.quick-steps strong {
  font-family: var(--serif);
  font-size: 1.05rem;
}

.quick-steps small {
  color: #afc1ba;
  font-size: 0.68rem;
  line-height: 1.6;
}

.download-card {
  display: grid;
  min-height: 104px;
  padding: 1.3rem 1.6rem;
  align-items: center;
  background: white;
  border: 1px solid var(--line);
  grid-template-columns: 58px 1fr auto;
  transition: border 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.download-card:hover {
  border-color: var(--green-500);
  box-shadow: 0 16px 35px rgba(15, 42, 34, 0.1);
  transform: translateX(5px);
}

.platform-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: white;
  background: var(--green-900);
  border-radius: 50%;
  font-size: 1rem;
}

.download-card > span:nth-child(2) {
  display: grid;
  gap: 0.22rem;
}

.download-card small {
  color: var(--green-700);
  font-family: var(--mono);
  font-size: 0.61rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.download-card strong {
  font-family: var(--serif);
  font-size: 1.25rem;
}

.download-card em {
  color: var(--muted);
  font-size: 0.7rem;
  font-style: normal;
}

.download-card > b {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.download-links {
  display: flex;
  margin-top: 1.4rem;
  gap: 1.5rem;
  color: var(--green-700);
  font-size: 0.74rem;
  flex-wrap: wrap;
}

.download-links a {
  border-bottom: 1px solid transparent;
}

.download-links a:hover {
  border-color: var(--green-500);
}

.unsigned-note {
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.7;
}

.boundaries {
  display: grid;
  width: 100%;
  max-width: none;
  padding-right: max(4vw, calc((100vw - 1240px) / 2));
  padding-left: max(4vw, calc((100vw - 1240px) / 2));
  color: #eaf1ee;
  background:
    radial-gradient(circle at 0 100%, rgba(67, 165, 135, 0.22), transparent 34rem),
    var(--green-950);
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(4rem, 8vw, 9rem);
}

.boundaries .kicker {
  color: #83b7a7;
}

.boundary-list {
  border-top: 1px solid rgba(255, 255, 255, 0.17);
}

.boundary-list article {
  display: grid;
  padding: 1.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.17);
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
}

.boundary-list article > span {
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.boundary-list h3 {
  margin: 0 0 0.4rem;
  font-family: var(--serif);
  font-size: 1.15rem;
}

.boundary-list p {
  margin: 0;
  color: #aebfba;
  font-size: 0.78rem;
  line-height: 1.7;
}

.open-source {
  display: grid;
  width: min(92vw, 1240px);
  margin: 0 auto;
  padding: 8rem 0;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: end;
}

.open-source h2 {
  margin-bottom: 1.5rem;
}

.open-source > div > p:last-child {
  max-width: 650px;
}

.open-actions {
  display: grid;
  gap: 1rem;
  justify-items: center;
}

.button-light {
  border-color: var(--ink);
}

.button-light:hover {
  color: white;
  background: var(--green-900);
}

.text-link {
  color: var(--green-700);
  font-size: 0.75rem;
}

footer {
  display: grid;
  min-height: 190px;
  padding: 3rem max(4vw, calc((100vw - 1400px) / 2));
  gap: 2rem;
  align-items: center;
  background: #ebe8df;
  border-top: 1px solid var(--line);
  grid-template-columns: 1fr auto;
}

.footer-brand {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  color: #52605a;
  font-size: 0.75rem;
}

.footer-note {
  padding-top: 1.3rem;
  margin: 0;
  color: #7a817d;
  border-top: 1px solid var(--line);
  font-size: 0.68rem;
  grid-column: 1 / -1;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1080px) {
  .hero {
    min-height: auto;
    padding-top: 6rem;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-stage {
    width: 88%;
    margin-left: auto;
  }

  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .interface {
    grid-template-columns: 1fr;
  }

  .interface-copy {
    max-width: 720px;
  }

  .journal-frame img {
    width: 100%;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 76px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .nav-toggle {
    display: grid;
    width: 43px;
    height: 43px;
    padding: 10px;
    gap: 4px;
    place-content: center;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 50%;
  }

  .header-tools {
    gap: 0.55rem;
  }

  .nav-toggle > span:not(.sr-only) {
    display: block;
    width: 17px;
    height: 1px;
    background: var(--ink);
  }

  nav {
    position: absolute;
    top: 76px;
    right: 0;
    left: 0;
    display: none;
    padding: 1.5rem 4vw;
    background: rgba(251, 250, 246, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(15, 42, 34, 0.1);
    flex-direction: column;
    align-items: stretch;
  }

  nav.is-open {
    display: flex;
  }

  .nav-github {
    text-align: center;
  }

  .hero {
    width: min(90vw, 1400px);
    padding: 4.5rem 0 6rem;
    gap: 3.5rem;
  }

  h1 {
    font-size: clamp(3rem, 14vw, 4.8rem);
  }

  body[data-locale="en"] h1 {
    font-size: clamp(2.85rem, 12vw, 4.3rem);
  }

  .hero-stage {
    width: 100%;
    padding: 2rem 0 2rem 0.8rem;
  }

  .product-frame {
    transform: none;
  }

  .brand-seal {
    top: -1rem;
    right: -0.5rem;
  }

  .brand-seal img {
    width: 64px;
    height: 64px;
  }

  .evidence-note {
    min-width: auto;
    padding: 0.55rem;
  }

  .evidence-note span {
    font-size: 0.63rem;
  }

  .note-one {
    top: auto;
    bottom: -0.4rem;
  }

  .note-two {
    right: 0;
    bottom: 2.5rem;
  }

  .note-three {
    display: none;
  }

  .principles {
    width: 90vw;
    grid-template-columns: repeat(2, 1fr);
  }

  .principles article:nth-child(2) {
    border-right: 0;
  }

  .principles article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .section {
    width: 90vw;
  }

  .section-heading,
  .boundaries,
  .open-source {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .section-heading .kicker {
    margin-bottom: -0.8rem;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .capability-card {
    min-height: 370px;
  }

  .interface,
  .boundaries {
    width: 100%;
    padding-right: 5vw;
    padding-left: 5vw;
  }

  .download {
    width: 90vw;
  }

  .download-card {
    padding: 1.1rem;
    grid-template-columns: 50px 1fr auto;
  }

  .quick-steps {
    grid-template-columns: 1fr;
  }

  .quick-steps li {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .quick-steps li:last-child {
    border-bottom: 0;
  }

  .download-card > b {
    width: 34px;
    height: 34px;
  }

  .open-source {
    width: 90vw;
  }

  .open-actions {
    justify-items: start;
  }

  footer {
    grid-template-columns: 1fr;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}

@media (max-width: 420px) {
  .brand small {
    display: none;
  }

  .language-switch {
    min-width: 68px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .principles article {
    min-height: 100px;
    padding: 1rem;
  }

  .principles span {
    font-size: 0.72rem;
  }

  .download-card {
    grid-template-columns: 42px 1fr;
  }

  .download-card > b {
    display: none;
  }
}