:root {
  --color-frost-050: #f7f9f8;
  --color-frost-000: #ffffff;
  --color-silver-200: #dce3e3;
  --color-silver-500: #829092;
  --color-sand-100: #f1ebdd;
  --color-ink-950: #172126;
  --color-ink-700: #3e4b50;
  --color-violet-600: #7138d8;
  --color-violet-700: #5d28b8;
  --color-aqua-500: #12b9c7;
  --color-lime-500: #b7e83e;
  --color-glass-white: rgba(255, 255, 255, 0.68);
  --color-glass-dark: rgba(23, 33, 38, 0.92);

  --color-border: rgba(23, 33, 38, 0.14);
  --color-border-strong: rgba(23, 33, 38, 0.24);
  --color-border-aqua: rgba(18, 185, 199, 0.34);
  --color-focus: var(--color-violet-600);

  --font-heading: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --font-body: "Manrope", "Helvetica Neue", Arial, sans-serif;

  --text-12: 0.75rem;
  --text-14: 0.875rem;
  --text-16: 1rem;
  --text-19: 1.1875rem;
  --text-28: 1.75rem;
  --text-40: 2.5rem;
  --text-display: clamp(3rem, 8vw, 5.75rem);

  --leading-tight: 0.91;
  --leading-heading: 1.05;
  --leading-body: 1.625;
  --leading-meta: 1.43;

  --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: 6rem;
  --space-10: 8rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.625rem;
  --radius-lg: 1.125rem;
  --radius-xl: 2rem;

  --shadow-card: 0 0.75rem 2rem rgba(23, 33, 38, 0.08);

  --container-max: 77.5rem;
  --page-padding: 1rem;
  --content-padding-block: clamp(3rem, 7vw, 8rem);

  --transition-fast: 180ms ease-out;
  --touch-target: 2.75rem;
}

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

@media (min-width: 80rem) {
  :root {
    --page-padding: 1.5rem;
  }
}

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

html {
  min-width: 20rem;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-6);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-width: 20rem;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-frost-050);
  color: var(--color-ink-950);
  font-family: var(--font-body);
  font-size: var(--text-16);
  font-weight: 400;
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
}

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

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

img,
video {
  height: auto;
}

img {
  object-fit: cover;
}

svg {
  fill: currentColor;
}

a {
  color: var(--color-violet-600);
  overflow-wrap: break-word;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--color-violet-700);
}

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

button,
[type="button"],
[type="reset"],
[type="submit"] {
  min-height: var(--touch-target);
  cursor: pointer;
}

button {
  border: 0;
}

input,
select,
textarea {
  width: 100%;
  min-height: 3rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-frost-000);
  padding: 0.6875rem var(--space-3);
  line-height: 1.4;
}

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

select {
  cursor: pointer;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.125rem;
  min-width: 1.125rem;
  min-height: 1.125rem;
  margin: 0;
  accent-color: var(--color-violet-600);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-silver-500);
  opacity: 1;
}

label {
  display: inline-block;
  margin-block-end: var(--space-2);
  color: var(--color-ink-950);
  font-size: var(--text-14);
  font-weight: 700;
  line-height: var(--leading-meta);
}

fieldset {
  margin: 0 0 var(--space-5);
  border: 0;
  padding: 0;
}

legend {
  margin-block-end: var(--space-2);
  padding: 0;
  font-size: var(--text-14);
  font-weight: 700;
}

table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

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

th {
  color: var(--color-ink-700);
  font-size: var(--text-14);
  font-weight: 700;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-4);
  color: var(--color-ink-950);
  font-family: var(--font-heading);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: var(--leading-heading);
  overflow-wrap: break-word;
}

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

h2 {
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 0.98;
}

h3 {
  font-size: var(--text-40);
  line-height: 1.05;
}

h4 {
  font-size: var(--text-28);
  line-height: 1.1;
}

h5 {
  font-size: var(--text-19);
  line-height: 1.2;
}

h6 {
  font-family: var(--font-body);
  font-size: var(--text-16);
  font-weight: 700;
  line-height: 1.35;
}

p {
  margin: 0 0 var(--space-4);
  color: var(--color-ink-700);
  overflow-wrap: break-word;
}

ul,
ol {
  margin: 0 0 var(--space-5);
  padding-inline-start: 1.3em;
}

li::marker {
  color: var(--color-violet-600);
}

blockquote {
  margin: 0 0 var(--space-5);
  border-inline-start: 2px solid var(--color-aqua-500);
  padding-inline-start: var(--space-4);
  color: var(--color-ink-700);
  font-size: var(--text-19);
  line-height: 1.5;
}

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

figcaption {
  margin-block-start: var(--space-2);
  color: var(--color-silver-500);
  font-size: var(--text-12);
  line-height: 1.35;
}

small {
  font-size: var(--text-12);
  line-height: 1.35;
}

strong,
b {
  font-weight: 700;
}

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

::selection {
  background: rgba(183, 232, 62, 0.72);
  color: var(--color-ink-950);
}

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

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

.surface {
  background: var(--color-frost-000);
}

.surface-sand {
  background: var(--color-sand-100);
}

.surface-dark {
  background: var(--color-glass-dark);
  color: var(--color-frost-000);
}

.surface-dark :is(h1, h2, h3, h4, h5, h6, label, legend) {
  color: var(--color-frost-000);
}

.surface-dark p,
.surface-dark blockquote {
  color: rgba(255, 255, 255, 0.78);
}

.surface-dark a {
  color: var(--color-lime-500);
}

.eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--color-ink-700);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.45;
  text-transform: uppercase;
}

.eyebrow--aqua {
  color: #087d88;
}

.eyebrow--violet {
  color: var(--color-violet-600);
}

.eyebrow--lime {
  color: #52720b;
}

.lead {
  margin-block-end: var(--space-5);
  color: var(--color-ink-700);
  font-size: var(--text-19);
  font-weight: 500;
  line-height: 1.53;
}

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

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

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

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

.content-list {
  display: grid;
  gap: var(--space-3);
  margin: 0 0 var(--space-5);
  padding: 0;
  list-style: none;
}

.content-list > li {
  min-width: 0;
}

.panel {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-frost-000);
  padding: var(--space-4);
}

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

.glass-panel {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-glass-white);
  padding: var(--space-4);
}

.glass-panel > :last-child {
  margin-block-end: 0;
}

@supports (backdrop-filter: blur(1px)) {
  .glass-panel {
    backdrop-filter: blur(18px) saturate(115%);
  }
}

.card {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-frost-000);
  padding: var(--space-4);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

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

.card:hover {
  border-color: var(--color-border-strong);
  transform: scale(1.02);
}

.button {
  display: inline-flex;
  min-width: 0;
  min-height: var(--touch-target);
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 0.625rem var(--space-4);
  background: var(--color-violet-600);
  color: var(--color-frost-000);
  font-size: var(--text-14);
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.button:hover {
  background: var(--color-violet-700);
  color: var(--color-frost-000);
  text-decoration: none;
}

.button:active {
  transform: translateY(1px);
}

.button--secondary {
  border-color: var(--color-ink-950);
  background: transparent;
  color: var(--color-ink-950);
}

.button--secondary:hover {
  border-color: var(--color-aqua-500);
  background: transparent;
  color: var(--color-ink-950);
}

.button--lime {
  background: var(--color-lime-500);
  color: var(--color-ink-950);
}

.button--lime:hover {
  background: #a6d530;
  color: var(--color-ink-950);
}

.button--text {
  min-height: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--color-violet-600);
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

.button--text:hover {
  background: transparent;
  color: var(--color-violet-700);
}

.field {
  display: grid;
  min-width: 0;
  gap: var(--space-2);
  margin-block-end: var(--space-4);
}

.field > :last-child {
  margin-block-end: 0;
}

.field-help,
.field-error {
  margin: 0;
  font-size: var(--text-12);
  line-height: 1.4;
}

.field-help {
  color: var(--color-silver-500);
}

.field-error {
  color: #9c1f3d;
}

.technical-line {
  width: 100%;
  height: 1px;
  border: 0;
  background: var(--color-border-aqua);
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: var(--space-3);
  left: var(--space-3);
  transform: translateY(-200%);
  border-radius: var(--radius-sm);
  background: var(--color-ink-950);
  color: var(--color-frost-000);
  padding: var(--space-3) var(--space-4);
  font-weight: 700;
  text-decoration: none;
}

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

@media (max-width: 47.9375rem) {
  h1 {
    font-size: clamp(2.625rem, 13vw, 4rem);
  }

  h3 {
    font-size: clamp(2rem, 9vw, 2.5rem);
  }

  .section {
    padding-block: clamp(3rem, 10vw, 4rem);
  }
}

@media (min-width: 48rem) {
  .panel,
  .glass-panel,
  .card {
    padding: var(--space-5);
  }
}

@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;
  }

  .card:hover {
    transform: none;
  }
}