:root {
  --color-cloud-white: #f7f9fc;
  --color-graphite: #17212b;
  --color-cobalt-blue: #2457d6;
  --color-electric-cyan: #00cfe8;
  --color-tangerine-orange: #ff7a32;
  --color-mist-blue: #eaf1fb;
  --color-acrylic-white: rgba(255, 255, 255, 0.78);
  --color-aluminium-line: #c8d0da;
  --color-success-green: #168a68;
  --color-focus-outline: #00afc8;

  --color-text: var(--color-graphite);
  --color-text-muted: #566473;
  --color-text-subtle: #738091;
  --color-surface: var(--color-cloud-white);
  --color-surface-raised: #ffffff;
  --color-surface-muted: var(--color-mist-blue);
  --color-surface-dark: var(--color-graphite);
  --color-border: var(--color-aluminium-line);
  --color-link: var(--color-cobalt-blue);
  --color-link-hover: #173fa8;

  --font-body: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;

  --text-eyebrow: 0.75rem;
  --text-meta: 0.875rem;
  --text-body: 1rem;
  --text-intro: 1.125rem;
  --text-h6: 1.375rem;
  --text-h5: 1.75rem;
  --text-h4: clamp(2rem, 3vw, 2.25rem);
  --text-h3: clamp(2.25rem, 4vw, 3rem);
  --text-h2: clamp(2.5rem, 5vw, 4rem);
  --text-h1: clamp(2.5rem, 6vw, 4rem);

  --line-eyebrow: 1.2;
  --line-meta: 1.35;
  --line-body: 1.55;
  --line-intro: 1.45;
  --line-heading: 1.08;
  --line-display: 0.98;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-14: 3.5rem;
  --space-18: 4.5rem;
  --space-24: 6rem;

  --container-max: 77.5rem;
  --gutter: 1rem;
  --container-inline: min(var(--container-max), calc(100% - (var(--gutter) * 2)));

  --radius-none: 0;
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-round: 999px;

  --border-width: 1px;
  --border-active-width: 2px;
  --shadow-card: 0 8px 24px rgba(23, 33, 43, 0.08);
  --shadow-floating: 0 12px 32px rgba(23, 33, 43, 0.14);
  --shadow-cyan-glow: 0 0 18px rgba(0, 207, 232, 0.35);

  --transition-fast: 160ms ease-out;
  --transition-panel: 320ms cubic-bezier(0.2, 0.8, 0.2, 1);

  color-scheme: light;
}

@media (min-width: 48rem) {
  :root {
    --gutter: 1.5rem;
  }
}

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: var(--line-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main,
header,
footer,
section,
article,
aside,
nav,
figure,
blockquote,
fieldset,
details {
  min-width: 0;
}

img,
picture,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block;
  max-width: 100%;
}

img,
video {
  height: auto;
}

svg {
  fill: currentColor;
}

iframe {
  width: 100%;
  border: 0;
}

button,
input,
select,
textarea {
  max-width: 100%;
  margin: 0;
  color: inherit;
  font: inherit;
}

button,
select,
label,
summary {
  cursor: pointer;
}

button {
  min-height: 2.75rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-raised);
  line-height: var(--line-body);
}

input,
textarea {
  padding: var(--space-3);
}

select {
  padding: var(--space-3) 2.5rem var(--space-3) var(--space-3);
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-subtle);
  opacity: 1;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.125rem;
  min-width: 1.125rem;
  min-height: 1.125rem;
  padding: 0;
  accent-color: var(--color-cobalt-blue);
}

input[type="file"] {
  padding: var(--space-2);
}

input[type="file"]::file-selector-button {
  min-height: 2rem;
  margin-inline-end: var(--space-3);
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--color-mist-blue);
  color: var(--color-graphite);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--color-focus-outline);
  outline-offset: 2px;
}

:target {
  scroll-margin-top: var(--space-24);
}

a {
  color: var(--color-link);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

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

a:not([class]) {
  overflow-wrap: anywhere;
}

strong,
b {
  font-weight: 700;
}

small {
  font-size: var(--text-meta);
  line-height: var(--line-meta);
}

mark {
  padding-inline: 0.15em;
  background: #fff0c7;
  color: inherit;
}

abbr[title] {
  text-decoration: underline dotted;
  text-underline-offset: 0.16em;
}

hr {
  height: 1px;
  margin-block: var(--space-8);
  border: 0;
  background: var(--color-border);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-block: 0 var(--space-4);
  color: var(--color-graphite);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 {
  font-size: var(--text-h1);
  line-height: var(--line-display);
}

h2 {
  font-size: var(--text-h2);
  line-height: 1.02;
}

h3 {
  font-size: var(--text-h3);
  line-height: var(--line-heading);
}

h4 {
  font-size: var(--text-h4);
  line-height: var(--line-heading);
}

h5 {
  font-size: var(--text-h5);
  line-height: 1.12;
}

h6 {
  font-size: var(--text-h6);
  line-height: 1.2;
}

p {
  margin-block: 0 var(--space-4);
}

ul,
ol {
  margin-block: 0 var(--space-4);
  padding-inline-start: 1.35rem;
}

li > ul,
li > ol {
  margin-block: var(--space-2) 0;
}

blockquote {
  margin-block: 0 var(--space-6);
  padding: var(--space-4) var(--space-5);
  border-inline-start: 3px solid var(--color-electric-cyan);
  background: var(--color-mist-blue);
  color: var(--color-graphite);
}

blockquote > :last-child,
figure > :last-child,
figcaption > :last-child,
table > caption:last-child {
  margin-block-end: 0;
}

figure {
  margin: 0 0 var(--space-6);
}

figcaption {
  margin-block-start: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-meta);
  line-height: var(--line-meta);
}

pre,
code,
kbd,
samp {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

code {
  padding: 0.08em 0.28em;
  border-radius: 0.2rem;
  background: var(--color-mist-blue);
  font-size: 0.9em;
}

pre {
  max-width: 100%;
  margin-block: 0 var(--space-6);
  padding: var(--space-4);
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-graphite);
  color: var(--color-cloud-white);
}

pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

table {
  width: 100%;
  margin-block: 0 var(--space-6);
  border-collapse: collapse;
  border-spacing: 0;
  font-variant-numeric: tabular-nums;
}

caption {
  margin-block-end: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-meta);
  text-align: start;
}

th,
td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  text-align: start;
  vertical-align: top;
}

th {
  color: var(--color-graphite);
  font-size: var(--text-meta);
  font-weight: 700;
}

details {
  margin-block: 0 var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
}

summary {
  min-height: 2.75rem;
  padding: var(--space-3) var(--space-4);
  color: var(--color-graphite);
  font-weight: 700;
}

details > :not(summary) {
  margin-inline: var(--space-4);
}

details > :last-child {
  margin-block-end: var(--space-4);
}

fieldset {
  margin: 0 0 var(--space-6);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

legend {
  padding-inline: var(--space-2);
  color: var(--color-graphite);
  font-weight: 700;
}

label {
  display: inline-block;
  margin-block-end: var(--space-2);
  color: var(--color-graphite);
  font-size: var(--text-meta);
  font-weight: 600;
  line-height: var(--line-meta);
}

.container {
  width: var(--container-inline);
  margin-inline: auto;
}

.container--wide {
  width: min(100% - (var(--gutter) * 2), 90rem);
  margin-inline: auto;
}

.surface {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
}

.surface--muted {
  background: var(--color-surface-muted);
}

.surface--dark {
  border-color: var(--color-graphite);
  background: var(--color-surface-dark);
  color: var(--color-cloud-white);
}

.surface--dark :is(h1, h2, h3, h4, h5, h6) {
  color: inherit;
}

.panel {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-card);
}

.panel > :last-child,
.surface > :last-child,
.compact-group > :last-child {
  margin-block-end: 0;
}

.panel--feature {
  border-width: 2px;
  border-color: var(--color-cobalt-blue);
  clip-path: polygon(0 0, calc(100% - 1.125rem) 0, 100% 1.125rem, 100% 100%, 0 100%);
}

.acrylic {
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-md);
  background: var(--color-acrylic-white);
  box-shadow: var(--shadow-floating);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.eyebrow,
.meta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-eyebrow);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: var(--line-eyebrow);
  text-transform: uppercase;
}

.meta {
  font-size: var(--text-meta);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: var(--line-meta);
  text-transform: none;
}

.content-list {
  margin: 0 0 var(--space-4);
  padding-inline-start: 1.35rem;
}

.content-list > .stack {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: var(--space-4);
}

.stack--compact {
  gap: var(--space-2);
}

.stack--loose {
  gap: var(--space-6);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  min-width: 0;
  gap: var(--space-3);
}

.cluster > * {
  min-width: 0;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  min-width: 0;
  gap: var(--space-3);
}

.button-group > * {
  min-width: 0;
}

.button,
.button:link,
.button:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  max-width: 100%;
  padding: 0.625rem var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--color-cobalt-blue);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.1;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.button:hover {
  background: #173fa8;
  color: #fff;
  transform: translateY(-1px);
}

.button--accent,
.button--accent:link,
.button--accent:visited {
  background: var(--color-tangerine-orange);
  color: var(--color-graphite);
}

.button--accent:hover {
  background: #e96925;
  color: var(--color-graphite);
}

.button--secondary,
.button--secondary:link,
.button--secondary:visited {
  border-color: var(--color-cobalt-blue);
  background: transparent;
  color: var(--color-cobalt-blue);
}

.button--secondary:hover {
  border-color: var(--color-cobalt-blue);
  background: var(--color-mist-blue);
  color: var(--color-link-hover);
}

.button--dark,
.button--dark:link,
.button--dark:visited {
  background: var(--color-graphite);
  color: #fff;
}

.button--dark:hover {
  background: #0d141b;
  color: #fff;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-3) var(--space-4);
  transform: translateY(-150%);
  border-radius: var(--radius-sm);
  background: var(--color-graphite);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

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

@media (min-width: 48rem) {
  .panel {
    padding: var(--space-6);
  }
}

@media (max-width: 29.999rem) {
  h1 {
    font-size: clamp(2rem, 10vw, 2.5rem);
  }

  h2 {
    font-size: clamp(2rem, 9vw, 2.5rem);
  }

  .button,
  .button:link,
  .button:visited {
    width: 100%;
  }

  .button-group > .button {
    flex: 1 1 100%;
  }
}

@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;
  }
}