:root {
  --color-midnight: #111827;
  --color-midnight-elevated: #192236;
  --color-electric-cyan: #39c6d8;
  --color-soft-ice: #eef6f7;
  --color-luminous-violet: #7868c9;
  --color-champagne-silver: #c9c4b7;
  --color-restrained-coral: #d9675a;
  --color-ink: #172033;
  --color-white: #ffffff;

  --color-page: var(--color-soft-ice);
  --color-text: var(--color-ink);
  --color-text-muted: color-mix(in srgb, var(--color-ink) 72%, transparent);
  --color-text-on-dark: var(--color-soft-ice);
  --color-text-on-dark-muted: color-mix(in srgb, var(--color-soft-ice) 74%, transparent);
  --color-border: color-mix(in srgb, var(--color-champagne-silver) 45%, transparent);
  --color-border-dark: color-mix(in srgb, var(--color-champagne-silver) 34%, transparent);
  --color-border-active: color-mix(in srgb, var(--color-electric-cyan) 66%, transparent);
  --color-focus: var(--color-electric-cyan);

  --font-heading: "Space Grotesk", Arial, sans-serif;
  --font-body: "Inter", Arial, sans-serif;

  --text-utility: 0.75rem;
  --text-small: 0.875rem;
  --text-body: 1rem;
  --text-intro: 1.125rem;
  --text-card: 1.5rem;
  --text-title-sm: clamp(1.75rem, 3vw, 2rem);
  --text-title-lg: clamp(2.5rem, 5vw, 3rem);
  --text-display: clamp(3.25rem, 8vw, 7rem);
  --text-display-mobile: clamp(2.625rem, 13vw, 4.25rem);

  --leading-utility: 1.333;
  --leading-small: 1.429;
  --leading-body: 1.625;
  --leading-intro: 1.556;
  --leading-card: 1.25;
  --leading-title: 1.08;
  --leading-display: 0.94;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  --tracking-heading: -0.035em;
  --tracking-label: 0.11em;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 5.5rem;
  --space-10: 7.5rem;
  --space-11: 10rem;

  --container-max: 80rem;
  --gutter: 1.25rem;
  --section-space: clamp(5rem, 9vw, 7rem);
  --section-space-large: clamp(7.5rem, 12vw, 10rem);
  --module-space: clamp(3rem, 6vw, 4rem);

  --radius-sm: 0.25rem;
  --radius-md: 0.625rem;
  --radius-lg: 1.125rem;
  --radius-pill: 999px;

  --shadow-elevated: 0 18px 50px rgba(4, 10, 24, 0.24);

  --duration-fast: 160ms;
  --duration-base: 200ms;
  --duration-drawer: 220ms;
  --ease-out: ease-out;
}

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

@media (min-width: 64rem) {
  :root {
    --gutter: 2rem;
  }
}

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

html {
  min-width: 20rem;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-8);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-width: 20rem;
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  background: var(--color-page);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--weight-regular);
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.is-scroll-locked {
  overflow: hidden;
}

main,
header,
footer,
section,
article,
aside,
nav,
figure,
form,
fieldset {
  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 {
  margin: 0;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

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

select {
  background-color: transparent;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:not([class]) {
  color: currentColor;
  text-decoration-color: color-mix(in srgb, currentColor 48%, transparent);
  transition: color var(--duration-fast) var(--ease-out), text-decoration-color var(--duration-fast) var(--ease-out);
}

a:not([class]):hover {
  color: var(--color-electric-cyan);
  text-decoration-color: currentColor;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
dl,
blockquote,
figure,
pre,
table,
hr {
  margin-top: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-bottom: var(--space-5);
  color: inherit;
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-title);
  text-wrap: balance;
}

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

h2 {
  font-size: var(--text-title-lg);
}

h3 {
  font-size: var(--text-title-sm);
  line-height: 1.15;
}

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

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

h6 {
  font-size: var(--text-body);
  letter-spacing: -0.02em;
  line-height: var(--leading-body);
}

p {
  margin-bottom: var(--space-5);
}

ul,
ol {
  margin-bottom: var(--space-5);
  padding-left: 1.25em;
}

dl {
  margin-bottom: var(--space-5);
}

dt {
  font-weight: var(--weight-semibold);
}

dd {
  margin: 0 0 var(--space-3);
}

blockquote {
  margin-right: 0;
  margin-bottom: var(--space-5);
  margin-left: 0;
  padding: var(--space-4) 0 var(--space-4) var(--space-5);
  border-left: 2px solid var(--color-electric-cyan);
  font-family: var(--font-heading);
  font-size: var(--text-intro);
  font-weight: var(--weight-medium);
  line-height: var(--leading-intro);
}

figure {
  margin-right: 0;
  margin-bottom: var(--space-5);
  margin-left: 0;
}

figcaption {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-small);
  line-height: var(--leading-small);
}

hr {
  height: 1px;
  margin-bottom: var(--space-6);
  border: 0;
  background: var(--color-border);
}

table {
  width: 100%;
  margin-bottom: var(--space-5);
  border-collapse: collapse;
  border-spacing: 0;
}

th,
td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

th {
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
}

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

strong,
b {
  font-weight: var(--weight-semibold);
}

em,
i {
  font-style: italic;
}

sub,
sup {
  position: relative;
  font-size: 0.75em;
  line-height: 0;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

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

code,
kbd,
samp {
  padding: 0.1em 0.32em;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-midnight) 8%, transparent);
  font-size: 0.875em;
}

pre {
  overflow: auto;
  margin-bottom: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-midnight);
  color: var(--color-soft-ice);
}

::selection {
  background: var(--color-electric-cyan);
  color: var(--color-midnight);
}

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

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

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

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

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

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

.surface-dark {
  background-color: var(--color-midnight);
  color: var(--color-text-on-dark);
}

.surface-elevated {
  background-color: var(--color-midnight-elevated);
  color: var(--color-text-on-dark);
}

.surface-light {
  background-color: var(--color-soft-ice);
  color: var(--color-ink);
}

.eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--color-electric-cyan);
  font-family: var(--font-body);
  font-size: var(--text-utility);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-label);
  line-height: var(--leading-utility);
  text-transform: uppercase;
}

.text-intro {
  font-size: var(--text-intro);
  font-weight: var(--weight-regular);
  line-height: var(--leading-intro);
}

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

.surface-dark .text-muted,
.surface-elevated .text-muted {
  color: var(--color-text-on-dark-muted);
}

.flow > * {
  margin-top: 0;
}

.flow > * + * {
  margin-top: var(--space-5);
}

.flow--compact > * + * {
  margin-top: var(--space-3);
}

.flow--spacious > * + * {
  margin-top: var(--space-6);
}

.flow > :last-child {
  margin-bottom: 0;
}

.stack {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-4);
}

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

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

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

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

.cluster--tight {
  gap: var(--space-2);
}

.cluster--spacious {
  gap: var(--space-5);
}

.card {
  min-width: 0;
  padding: var(--space-5);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  background: var(--color-midnight-elevated);
  color: var(--color-text-on-dark);
}

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

.panel {
  min-width: 0;
  padding: clamp(var(--space-5), 4vw, var(--space-7));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-soft-ice);
  color: var(--color-ink);
}

.panel > :last-child {
  margin-bottom: 0;
}

.button {
  display: inline-flex;
  min-width: 0;
  min-height: 2.875rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--color-electric-cyan);
  color: var(--color-midnight);
  font-family: var(--font-heading);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.01em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition:
    background-color var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    color var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.button:hover {
  background: color-mix(in srgb, var(--color-electric-cyan) 88%, var(--color-white));
  color: var(--color-midnight);
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(0);
}

.button--outline {
  border-color: var(--color-electric-cyan);
  background: transparent;
  color: var(--color-electric-cyan);
}

.button--outline:hover {
  background: color-mix(in srgb, var(--color-electric-cyan) 14%, transparent);
  color: var(--color-soft-ice);
}

.button--dark {
  background: var(--color-midnight);
  color: var(--color-soft-ice);
}

.button--dark:hover {
  background: var(--color-midnight-elevated);
  color: var(--color-soft-ice);
}

.button--full {
  width: 100%;
}

.field {
  display: grid;
  min-width: 0;
  gap: var(--space-2);
}

.field label,
.field-label {
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-small);
}

.field-help {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-small);
  line-height: var(--leading-small);
}

.input,
.select,
.textarea,
input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]),
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-ink);
  line-height: 1.4;
  transition:
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.input,
.select,
input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]),
select {
  min-height: 3rem;
  padding: 0.7rem 0.8rem;
}

.textarea,
textarea {
  padding: 0.75rem 0.8rem;
}

.input::placeholder,
.textarea::placeholder,
input::placeholder,
textarea::placeholder {
  color: color-mix(in srgb, var(--color-ink) 52%, transparent);
  opacity: 1;
}

.input:focus,
.select:focus,
.textarea:focus,
input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-electric-cyan);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-electric-cyan) 20%, transparent);
  outline: none;
}

.surface-dark .input,
.surface-dark .select,
.surface-dark .textarea,
.surface-dark input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]),
.surface-dark select,
.surface-dark textarea,
.surface-elevated .input,
.surface-elevated .select,
.surface-elevated .textarea,
.surface-elevated input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]),
.surface-elevated select,
.surface-elevated textarea {
  border-color: var(--color-border-dark);
  background: color-mix(in srgb, var(--color-midnight) 56%, var(--color-midnight-elevated));
  color: var(--color-soft-ice);
}

.surface-dark .field-help,
.surface-elevated .field-help {
  color: var(--color-text-on-dark-muted);
}

.check-control {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: var(--space-3);
}

.check-control input {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  margin-top: 0.28em;
  accent-color: var(--color-electric-cyan);
}

.check-control label {
  min-width: 0;
  font-size: var(--text-small);
  line-height: var(--leading-small);
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-electric-cyan);
  color: var(--color-midnight);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--duration-base) var(--ease-out);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  margin: -1px;
  padding: 0;
  border: 0;
  white-space: nowrap;
}

@media (max-width: 47.99rem) {
  h1 {
    font-size: var(--text-display-mobile);
  }

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

  h3 {
    font-size: clamp(1.5rem, 7vw, 1.875rem);
  }

  .card,
  .panel {
    padding: var(--space-5);
  }
}

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

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

  .button:hover {
    transform: none;
  }
}