@font-face {
  font-family: "Manrope";
  src: url("../fonts/manrope-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --ink: #f5f8f8;
  --muted: #b7c1c3;
  --quiet: #879397;
  --canvas: #050708;
  --canvas-soft: #0a0e10;
  --panel: #101619;
  --panel-strong: #151e22;
  --line: rgba(213, 237, 239, 0.16);
  --line-strong: rgba(213, 237, 239, 0.28);
  --accent: #5cf0dc;
  --accent-deep: #16bfb2;
  --accent-blue: #57b9ff;
  --warning: #f7c96c;
  --max: 1280px;
  --reading: 760px;
  --gutter: clamp(1.1rem, 3.6vw, 3rem);
  --section: clamp(4.75rem, 9vw, 8.5rem);
  --radius-sm: 0.75rem;
  --radius: 1.25rem;
  --radius-lg: 2rem;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --header-height: 4.75rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
  background: var(--canvas);
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 92% 8%, rgba(35, 213, 200, 0.08), transparent 24rem),
    var(--canvas);
  color: var(--ink);
  font-family: "Manrope", "Segoe UI", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--accent);
}

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

button {
  color: inherit;
}

::selection {
  background: var(--accent);
  color: #04100f;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
blockquote,
figure {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  font-weight: 560;
  hyphens: auto;
  letter-spacing: -0.035em;
  line-height: 1.08;
  overflow-wrap: anywhere;
}

h1 {
  font-size: clamp(2.8rem, 7.2vw, 6.5rem);
}

h2 {
  font-size: clamp(2.15rem, 4.8vw, 4.3rem);
}

h3 {
  font-size: clamp(1.35rem, 2.5vw, 2rem);
}

p,
li,
dd {
  color: var(--muted);
}

strong {
  color: var(--ink);
  font-weight: 650;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.8rem;
  left: 0.8rem;
  padding: 0.7rem 1rem;
  transform: translateY(-180%);
  border-radius: 0.5rem;
  background: var(--accent);
  color: #04100f;
  font-weight: 700;
  text-decoration: none;
}

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

.container {
  width: min(100% - (2 * var(--gutter)), var(--max));
  margin-inline: auto;
}

.reading-width {
  width: min(100%, var(--reading));
}

.section {
  padding-block: var(--section);
}

.section-tight {
  padding-block: clamp(3.5rem, 6vw, 5.75rem);
}

.section-rule {
  border-top: 1px solid var(--line);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 1.65rem;
  height: 1px;
  background: currentColor;
  content: "";
}

.lede {
  max-width: 56rem;
  margin-bottom: 0;
  color: #d8dfe0;
  font-size: clamp(1.1rem, 2vw, 1.38rem);
  line-height: 1.62;
}

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

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  background: linear-gradient(to bottom, rgba(4, 7, 8, 0.88), rgba(4, 7, 8, 0.08));
  transition: background 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

.site-header.is-scrolled,
.site-header.header-solid {
  border-bottom-color: var(--line);
  background: rgba(7, 10, 11, 0.9);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 2rem;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.8rem;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 720;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

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

.brand-mark {
  position: relative;
  width: 2rem;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid rgba(92, 240, 220, 0.7);
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, var(--accent), rgba(92, 240, 220, 0.08) 34%, transparent 36%);
  box-shadow: 0 0 1.8rem rgba(92, 240, 220, 0.2);
}

.brand-mark::after {
  position: absolute;
  right: -0.32rem;
  bottom: 0.18rem;
  width: 1.5rem;
  height: 0.42rem;
  transform: rotate(-32deg);
  background: var(--accent-blue);
  content: "";
  filter: blur(0.5px);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}

.site-nav a {
  position: relative;
  padding-block: 0.7rem;
  color: #dfe5e5;
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0.38rem;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--accent);
  content: "";
  transition: transform 180ms ease;
}

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

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
  width: 2.9rem;
  height: 2.9rem;
  place-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(10, 14, 16, 0.75);
  cursor: pointer;
}

.menu-toggle-lines,
.menu-toggle-lines::before,
.menu-toggle-lines::after {
  width: 1.15rem;
  height: 1px;
  background: currentColor;
  content: "";
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle-lines {
  position: relative;
}

.menu-toggle-lines::before,
.menu-toggle-lines::after {
  position: absolute;
  left: 0;
}

.menu-toggle-lines::before {
  top: -0.36rem;
}

.menu-toggle-lines::after {
  top: 0.36rem;
}

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

.menu-toggle[aria-expanded="true"] .menu-toggle-lines::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  display: grid;
  min-height: max(44rem, 92svh);
  overflow: hidden;
  align-items: end;
  isolation: isolate;
}

.hero-media,
.hero-media picture,
.hero-media img {
  position: absolute;
  z-index: -3;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media img {
  object-fit: cover;
  object-position: center 54%;
}

.hero::before {
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 4, 5, 0.94) 0%, rgba(2, 4, 5, 0.62) 45%, rgba(2, 4, 5, 0.18) 72%),
    linear-gradient(0deg, var(--canvas) 0%, rgba(5, 7, 8, 0.6) 18%, transparent 55%);
  content: "";
}

.hero::after {
  position: absolute;
  z-index: -1;
  right: -11rem;
  bottom: -14rem;
  width: 38rem;
  aspect-ratio: 1;
  border: 1px solid rgba(92, 240, 220, 0.24);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 8rem rgba(34, 213, 198, 0.14) inset;
}

.hero-content {
  min-width: 0;
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: clamp(4rem, 8vw, 7.5rem);
}

.hero h1 {
  hyphens: manual;
  max-width: 58rem;
  margin-bottom: 1.6rem;
  text-wrap: balance;
}

.hero .lede {
  max-width: 48rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.2rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.72rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #04100f;
  font-size: 0.88rem;
  font-weight: 730;
  text-decoration: none;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button::after {
  font-size: 1.05rem;
  content: "↗";
}

.button:hover {
  transform: translateY(-2px);
  border-color: #b5fff5;
  background: #b5fff5;
  color: #04100f;
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(7, 10, 11, 0.62);
  color: var(--ink);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.button-secondary:hover {
  border-color: var(--accent);
  background: rgba(13, 25, 26, 0.9);
  color: var(--accent);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
}

.text-link::after {
  color: var(--accent);
  content: "↗";
  transition: transform 160ms ease;
}

.text-link:hover::after {
  transform: translate(0.2rem, -0.2rem);
}

.intro-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(3rem, 9vw, 8rem);
}

.intro-grid h2,
.section-heading h2 {
  margin-bottom: 0;
  text-wrap: balance;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: clamp(2.4rem, 5vw, 4rem);
  gap: 2rem;
}

.section-heading p {
  max-width: 38rem;
  margin-bottom: 0.25rem;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
}

.article-card {
  position: relative;
  grid-column: span 4;
  min-height: 34rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  isolation: isolate;
}

.article-card.featured {
  grid-column: span 8;
}

.article-card-media,
.article-card-media picture,
.article-card-media img {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
}

.article-card-media img {
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.2, 0.7, 0.1, 1);
}

.article-card::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(to top, rgba(2, 5, 6, 0.98), rgba(2, 5, 6, 0.55) 46%, rgba(2, 5, 6, 0.08));
  content: "";
}

.article-card-content {
  position: absolute;
  inset: auto 0 0;
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.article-card-kicker {
  margin-bottom: 0.8rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-card h3 {
  max-width: 33rem;
  margin-bottom: 0.85rem;
  text-wrap: balance;
}

.article-card p {
  max-width: 39rem;
  margin-bottom: 1.25rem;
  color: #cbd3d4;
}

.article-card:hover .article-card-media img {
  transform: scale(1.035);
}

.fact-strip {
  display: grid;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.fact {
  min-height: 11rem;
  padding: 2rem;
  border-right: 1px solid var(--line);
}

.fact:last-child {
  border-right: 0;
}

.fact-value {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--ink);
  font-size: clamp(1.8rem, 3.4vw, 3.1rem);
  font-weight: 570;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.fact-label {
  color: var(--quiet);
  font-size: 0.82rem;
}

.principle-grid {
  display: grid;
  counter-reset: principle;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.principle {
  min-height: 18rem;
  padding: clamp(1.5rem, 3vw, 2.4rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(19, 28, 31, 0.88), rgba(8, 12, 14, 0.9));
  counter-increment: principle;
}

.principle::before {
  display: block;
  margin-bottom: 4rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  content: "0" counter(principle);
}

.principle h3 {
  margin-bottom: 0.85rem;
}

.principle p {
  margin-bottom: 0;
}

.photo-band {
  position: relative;
  min-height: clamp(30rem, 67vw, 52rem);
  overflow: hidden;
  border-block: 1px solid var(--line);
}

.photo-band img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-band::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 6, 7, 0.9), transparent 60%), linear-gradient(to top, rgba(4, 6, 7, 0.8), transparent 45%);
  content: "";
}

.photo-band-content {
  position: absolute;
  z-index: 2;
  bottom: clamp(2rem, 5vw, 5rem);
  left: max(var(--gutter), calc((100vw - var(--max)) / 2));
  max-width: 40rem;
  padding-right: var(--gutter);
}

.photo-band-content h2 {
  margin-bottom: 1rem;
}

.photo-band-content p {
  color: #d8dede;
}

.article-hero {
  position: relative;
  padding-top: calc(var(--header-height) + clamp(4rem, 8vw, 8rem));
  padding-bottom: clamp(4rem, 8vw, 7rem);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(34, 196, 184, 0.11), transparent 38%),
    var(--canvas-soft);
}

.article-hero::after {
  position: absolute;
  right: -18rem;
  bottom: -25rem;
  width: 52rem;
  aspect-ratio: 1;
  border: 1px solid rgba(92, 240, 220, 0.17);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 10rem rgba(40, 211, 198, 0.09) inset;
}

.breadcrumbs {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2.2rem;
  color: var(--quiet);
  font-size: 0.76rem;
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumbs span[aria-hidden="true"] {
  color: #536064;
}

.article-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: end;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.article-hero h1 {
  max-width: 60rem;
  margin-bottom: 1.5rem;
  font-size: clamp(2.8rem, 6.3vw, 5.8rem);
  text-wrap: balance;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.4rem;
  margin-top: 1.75rem;
  color: var(--quiet);
  font-size: 0.78rem;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.article-hero-note {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 18, 20, 0.75);
}

.article-hero-note strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--accent);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-hero-note p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.article-layout {
  display: grid;
  min-width: 0;
  align-items: start;
  grid-template-columns: minmax(12rem, 0.28fr) minmax(0, 0.72fr);
  gap: clamp(3rem, 8vw, 7.5rem);
}

.toc {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.toc-title {
  margin-bottom: 1.1rem;
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.toc ol {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 0.55rem;
}

.toc a {
  display: block;
  padding-block: 0.25rem;
  color: var(--quiet);
  font-size: 0.82rem;
  line-height: 1.45;
  text-decoration: none;
}

.toc a:hover {
  color: var(--accent);
}

.article-body {
  width: 100%;
  min-width: 0;
  max-width: var(--reading);
}

.article-body > p:first-child {
  color: #dce2e3;
  font-size: 1.22rem;
  line-height: 1.68;
}

.article-body h2 {
  margin-top: clamp(3.5rem, 7vw, 5.5rem);
  margin-bottom: 1.4rem;
  font-size: clamp(1.85rem, 3.5vw, 2.85rem);
}

.article-body h3 {
  margin-top: 2.6rem;
  margin-bottom: 1rem;
}

.article-body p,
.article-body li {
  font-size: 1.03rem;
}

.article-body p {
  margin-bottom: 1.35rem;
}

.article-body ul,
.article-body ol {
  margin-bottom: 1.8rem;
  padding-left: 1.35rem;
}

.article-body li + li {
  margin-top: 0.55rem;
}

.article-body li::marker {
  color: var(--accent);
}

.callout {
  position: relative;
  margin-block: 2.5rem;
  padding: 1.5rem 1.6rem 1.5rem 1.8rem;
  overflow: hidden;
  border: 1px solid rgba(92, 240, 220, 0.28);
  border-radius: var(--radius-sm);
  background: rgba(44, 189, 177, 0.07);
}

.callout::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--accent);
  content: "";
}

.callout strong {
  display: block;
  margin-bottom: 0.45rem;
}

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

.warning-callout {
  border-color: rgba(247, 201, 108, 0.32);
  background: rgba(247, 201, 108, 0.07);
}

.warning-callout::before {
  background: var(--warning);
}

.media-figure {
  margin-block: 3rem;
}

.media-figure img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.media-figure figcaption {
  margin-top: 0.85rem;
  color: var(--quiet);
  font-size: 0.77rem;
  line-height: 1.5;
}

.diagram {
  margin-block: 3rem;
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(92, 240, 220, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 240, 220, 0.035) 1px, transparent 1px),
    var(--panel);
  background-size: 2rem 2rem;
}

.diagram svg {
  width: 100%;
  height: auto;
}

.table-wrap {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  margin-block: 2.5rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

table {
  width: 100%;
  min-width: 36rem;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: rgba(92, 240, 220, 0.07);
  color: var(--ink);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

td {
  color: var(--muted);
}

tr:last-child td {
  border-bottom: 0;
}

.steps {
  margin-block: 2.5rem;
  padding: 0;
  counter-reset: steps;
  list-style: none;
}

.steps li {
  position: relative;
  min-height: 4.4rem;
  padding: 0 0 1.7rem 4rem;
  border-left: 1px solid var(--line);
  counter-increment: steps;
}

.steps li::before {
  position: absolute;
  top: -0.2rem;
  left: -1.35rem;
  display: grid;
  width: 2.7rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--canvas);
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 750;
  content: counter(steps, decimal-leading-zero);
}

.steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.checklist {
  display: grid;
  margin-block: 2.5rem;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.checklist li {
  position: relative;
  margin: 0;
  padding: 1rem 1rem 1rem 2.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(16, 22, 25, 0.6);
}

.checklist li::before {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: var(--accent);
  font-weight: 800;
  content: "✓";
}

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

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 1.5rem 3rem 1.5rem 0;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 620;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary::after {
  position: absolute;
  top: 1.45rem;
  right: 0.25rem;
  color: var(--accent);
  font-size: 1.3rem;
  content: "+";
}

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

.faq-list details > div {
  max-width: 44rem;
  padding-bottom: 1.5rem;
}

.faq-list details p:last-child {
  margin-bottom: 0;
}

.source-note {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font-size: 0.78rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.related-card {
  display: flex;
  min-height: 16rem;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(19, 29, 31, 0.84), rgba(8, 12, 13, 0.9));
  text-decoration: none;
  transition: border-color 180ms ease, transform 180ms ease;
}

.related-card:hover {
  transform: translateY(-3px);
  border-color: rgba(92, 240, 220, 0.5);
}

.related-card small {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.related-card h3 {
  margin-bottom: 0;
}

.legal-hero {
  padding-top: calc(var(--header-height) + clamp(4rem, 8vw, 7rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(44, 211, 198, 0.08), transparent 42%);
}

.legal-hero h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.7rem, 6vw, 5.3rem);
}

.legal-layout {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 0.72fr) minmax(15rem, 0.28fr);
  gap: clamp(3rem, 8vw, 7rem);
}

.legal-aside {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.legal-aside strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--accent);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.legal-aside p:last-child {
  margin-bottom: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.contact-card {
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.contact-card small {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-card h2 {
  margin: 2.8rem 0 0.7rem;
  font-size: 1.45rem;
}

.contact-card p:last-child {
  margin-bottom: 0;
}

.site-footer {
  padding-top: clamp(4rem, 8vw, 7rem);
  border-top: 1px solid var(--line);
  background: #030506;
}

.footer-top {
  display: grid;
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  grid-template-columns: 1.45fr repeat(3, 0.65fr);
  gap: clamp(2.5rem, 6vw, 5rem);
}

.footer-brand p {
  max-width: 25rem;
  margin-top: 1.2rem;
  font-size: 0.88rem;
}

.footer-heading {
  margin-bottom: 1rem;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--quiet);
  font-size: 0.82rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.35rem;
  border-top: 1px solid var(--line);
  gap: 1.5rem;
}

.footer-bottom p {
  margin: 0;
  color: #6f7b7e;
  font-size: 0.72rem;
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-status::before {
  width: 0.45rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--accent);
  content: "";
  box-shadow: 0 0 0.8rem rgba(92, 240, 220, 0.7);
}

.language-switch {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  padding: 0.2rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(5, 8, 9, 0.58);
  gap: 0.12rem;
}

.language-switch form {
  display: contents;
}

.site-nav .language-switch a,
.site-nav .language-switch button,
.footer-brand .language-switch a,
.footer-brand .language-switch button {
  min-width: 2.2rem;
  padding: 0.46rem 0.58rem;
  border: 0;
  border-radius: 999px;
  color: var(--quiet);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.site-nav .language-switch a::after {
  display: none;
}

.site-nav .language-switch a[aria-current="true"],
.site-nav .language-switch button[aria-current="true"],
.footer-brand .language-switch a[aria-current="true"],
.footer-brand .language-switch button[aria-current="true"] {
  background: var(--accent);
  color: #05211e;
}

.footer-brand .language-switch {
  margin-top: 1.15rem;
}

.footer-link-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--quiet);
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  text-align: left;
}

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

.cookie-panel[hidden],
.cookie-customize[hidden],
[data-cookie-actions][hidden] {
  display: none !important;
}

.cookie-panel {
  position: fixed;
  z-index: 200;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 1rem;
  filter: drop-shadow(0 -1.5rem 3rem rgba(0, 0, 0, 0.38));
}

.cookie-panel-inner {
  display: grid;
  width: min(100%, 82rem);
  margin-inline: auto;
  padding: clamp(1.25rem, 2.5vw, 2rem);
  border: 1px solid rgba(92, 240, 220, 0.32);
  border-radius: 1.5rem;
  background: rgba(241, 246, 245, 0.98);
  color: #142022;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 1.5rem 2.5rem;
}

.cookie-summary {
  max-width: 52rem;
}

.cookie-kicker {
  margin: 0 0 0.35rem;
  color: #26766d;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.cookie-panel h2,
.cookie-panel h3 {
  color: #0c1719;
}

.cookie-panel h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.25rem, 2.4vw, 1.8rem);
  letter-spacing: -0.03em;
}

.cookie-panel h3 {
  margin: 0 0 0.7rem;
  font-size: 1.05rem;
}

.cookie-panel p {
  margin: 0;
  color: #405054;
  font-size: 0.88rem;
}

.cookie-panel a {
  color: #155f57;
  font-weight: 720;
}

.cookie-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
}

.cookie-actions .button {
  min-height: 3rem;
  padding: 0.8rem 1.1rem;
  white-space: nowrap;
}

.cookie-actions .button::after {
  display: none;
}

.button-quiet {
  border: 1px solid #9cadb0;
  background: transparent;
  color: #142022;
}

.button-quiet:hover {
  border-color: #142022;
  background: rgba(20, 32, 34, 0.06);
  color: #142022;
}

.cookie-customize {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 1.5rem 2.5rem;
}

.cookie-toggle {
  display: flex;
  max-width: 47rem;
  align-items: flex-start;
  gap: 0.9rem;
  cursor: pointer;
}

.cookie-toggle input {
  width: 1.2rem;
  height: 1.2rem;
  margin-top: 0.12rem;
  accent-color: #1a877a;
}

.cookie-toggle span {
  display: grid;
  gap: 0.15rem;
}

.cookie-toggle small,
.necessary-cookie span {
  color: #526266;
  font-size: 0.78rem;
}

.necessary-cookie {
  display: flex;
  max-width: 47rem;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 1px solid #c9d3d4;
  gap: 1rem;
  font-size: 0.82rem;
}

.not-found {
  display: grid;
  min-height: 78svh;
  padding-top: var(--header-height);
  place-items: center;
  text-align: center;
}

.not-found-code {
  display: block;
  color: var(--accent);
  font-size: clamp(5rem, 18vw, 13rem);
  font-weight: 560;
  letter-spacing: -0.08em;
  line-height: 0.9;
}

.not-found h1 {
  margin: 1.5rem 0 1rem;
  font-size: clamp(2rem, 5vw, 4rem);
}

.not-found p {
  max-width: 38rem;
  margin-inline: auto;
}

@media (max-width: 1160px) {
  :root {
    --header-height: 4.4rem;
  }

  .menu-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    z-index: 99;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    display: grid;
    width: min(100%, 28rem);
    align-content: start;
    padding: 2rem var(--gutter) 4rem;
    transform: translateX(105%);
    border-left: 1px solid var(--line);
    background: rgba(5, 8, 9, 0.98);
    box-shadow: var(--shadow);
    gap: 0;
    transition: transform 220ms ease;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav a {
    padding-block: 1rem;
    border-bottom: 1px solid var(--line);
    font-size: 1.05rem;
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav .language-switch {
    width: fit-content;
    margin-top: 1.25rem;
  }

  .site-nav .language-switch a {
    padding-block: 0.55rem;
    border-bottom: 0;
  }

  .site-nav .language-switch button {
    padding-block: 0.55rem;
    border-bottom: 0;
  }

  .cookie-panel-inner,
  .cookie-customize {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .cookie-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .article-card,
  .article-card.featured {
    grid-column: span 6;
  }

  .principle-grid,
  .related-grid,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .toc {
    position: static;
    padding-bottom: 1.6rem;
    border-bottom: 1px solid var(--line);
  }

  .toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem 1.4rem;
  }

  .footer-top {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  :root {
    --gutter: 1rem;
    --section: 4.5rem;
  }

  body {
    line-height: 1.65;
  }

  h1 {
    font-size: clamp(2.55rem, 13vw, 4.2rem);
  }

  h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .brand-label span {
    display: none;
  }

  .brand-label {
    font-size: 0;
  }

  .brand-label::before {
    content: "Kompass";
    font-size: 0.82rem;
  }

  .hero {
    min-height: 43rem;
  }

  .hero::before {
    background: linear-gradient(0deg, var(--canvas) 0%, rgba(2, 4, 5, 0.82) 47%, rgba(2, 4, 5, 0.28) 100%);
  }

  .hero-media img {
    object-position: 60% center;
  }

  .hero-content {
    padding-bottom: 3.75rem;
  }

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

  .button {
    width: 100%;
  }

  .intro-grid,
  .article-hero-grid,
  .legal-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .article-card,
  .article-card.featured {
    grid-column: 1 / -1;
    min-height: 30rem;
  }

  .fact-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fact {
    min-height: 9rem;
    padding: 1.4rem;
    border-bottom: 1px solid var(--line);
  }

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

  .fact:nth-child(3),
  .fact:nth-child(4) {
    border-bottom: 0;
  }

  .principle-grid,
  .related-grid,
  .contact-grid,
  .checklist {
    grid-template-columns: 1fr;
  }

  .article-hero-note {
    display: none;
  }

  .article-body > p:first-child {
    font-size: 1.12rem;
  }

  .toc ol {
    grid-template-columns: 1fr;
  }

  .legal-aside {
    position: static;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .cookie-panel {
    padding: 0.55rem;
  }

  .cookie-panel-inner {
    max-height: calc(100svh - 1.1rem);
    overflow-y: auto;
    padding: 1.15rem;
    border-radius: 1rem;
    gap: 1rem;
  }

  .cookie-actions {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr;
  }

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

  .necessary-cookie {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.25rem;
  }
}

@media (max-width: 420px) {
  .fact-strip,
  .footer-top {
    grid-template-columns: 1fr;
  }

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

  .fact:nth-child(3) {
    border-bottom: 1px solid var(--line);
  }

  .fact:last-child {
    border-bottom: 0;
  }
}

@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;
  }
}

@media print {
  :root {
    color-scheme: light;
  }

  body {
    background: #fff;
    color: #111;
  }

  .site-header,
  .site-footer,
  .cookie-panel,
  .toc,
  .related-grid,
  .hero-actions,
  .skip-link {
    display: none !important;
  }

  p,
  li,
  td,
  .lede {
    color: #222;
  }

  h1,
  h2,
  h3,
  strong {
    color: #000;
  }

  .article-hero,
  .legal-hero {
    padding-top: 1rem;
    background: #fff;
  }

  .article-layout,
  .legal-layout {
    display: block;
  }

  a {
    color: #000;
    text-decoration: none;
  }
}