:root {
  --color-porcelain: #f5f3ee;
  --color-porcelain-mist: #e9e7e1;
  --color-petrol: #123f4a;
  --color-petrol-deep: #0b2b33;
  --color-saffron: #e6a52c;
  --color-saffron-hover: #f0b846;
  --color-dusty-rose: #c98f91;
  --color-silver: #aeb7b5;
  --color-linen: #d8d0c2;
  --color-ink: #17262a;
  --color-white: #fffdf8;

  --color-border: rgba(18, 63, 74, 0.18);
  --color-border-strong: rgba(18, 63, 74, 0.36);
  --color-overlay: rgba(11, 43, 51, 0.32);
  --color-panel-glass: rgba(245, 243, 238, 0.78);

  --font-heading: "Syne", Arial, sans-serif;
  --font-body: "Manrope", Arial, sans-serif;

  --text-micro: 0.75rem;
  --text-meta: 0.875rem;
  --text-body: 1rem;
  --text-lead: 1.25rem;
  --text-heading-mobile: 2rem;
  --text-heading-section: clamp(2rem, 4vw, 3rem);
  --text-heading-display: clamp(3rem, 7vw, 4.5rem);
  --text-heading-footer: clamp(4.5rem, 12vw, 11.875rem);

  --leading-tight: 0.98;
  --leading-heading: 1.08;
  --leading-body: 1.625;
  --leading-meta: 1.43;

  --tracking-display: -0.045em;
  --tracking-heading: -0.03em;
  --tracking-label: 0.14em;
  --tracking-nav: 0.02em;

  --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;
  --space-11: 10rem;

  --container-max: 90rem;
  --container-max-wide: 95rem;
  --container-padding: 2.5rem;

  --radius-none: 0;
  --radius-card: 0.375rem;
  --radius-panel: 0.875rem;
  --radius-pill: 999px;

  --shadow-soft: 0 0.875rem 2.5rem rgba(11, 43, 51, 0.1);

  --transition-fast: 220ms ease-out;
  --transition-base: 320ms ease-out;
  --transition-slow: 500ms ease-out;

  --focus-ring: 0 0 0 0.125rem var(--color-saffron);
}

*,
*::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: hidden;
  background: var(--color-porcelain);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

img,
video {
  height: auto;
}

svg {
  flex: 0 0 auto;
}

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

a {
  color: inherit;
  text-decoration-color: currentColor;
  text-decoration-thickness: 0.0625em;
  text-underline-offset: 0.16em;
}

a:hover {
  text-decoration-thickness: 0.125em;
}

button,
input,
select,
textarea {
  margin: 0;
  color: inherit;
  font: inherit;
}

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

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
  background: var(--color-white);
  color: var(--color-ink);
}

input,
select {
  min-height: 3rem;
  padding: 0.625rem 0.875rem;
}

textarea {
  min-height: 8rem;
  padding: 0.75rem 0.875rem;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: rgba(23, 38, 42, 0.58);
  opacity: 1;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-saffron);
  outline: none;
  box-shadow: var(--focus-ring);
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  padding: 0;
}

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

::selection {
  background: var(--color-saffron);
  color: var(--color-petrol-deep);
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-block: 0 var(--space-5);
  color: var(--color-petrol-deep);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  text-wrap: balance;
}

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

h2 {
  font-size: var(--text-heading-section);
}

h3 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1rem;
}

h6 {
  font-size: var(--text-meta);
  letter-spacing: 0;
}

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

ul,
ol {
  margin-block: 0 var(--space-4);
  padding-inline-start: 1.25rem;
}

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

dt {
  color: var(--color-petrol-deep);
  font-weight: 700;
}

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

blockquote {
  margin: 0 0 var(--space-5);
  padding: var(--space-4) 0 var(--space-4) var(--space-5);
  border-inline-start: 2px solid var(--color-saffron);
  color: var(--color-petrol-deep);
  font-family: var(--font-heading);
  font-size: var(--text-lead);
  line-height: 1.4;
}

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

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

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

th {
  color: var(--color-petrol-deep);
  font-weight: 700;
}

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

strong,
b {
  font-weight: 700;
}

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

pre {
  margin-block: 0 var(--space-4);
  padding: var(--space-4);
  overflow: auto;
  border-radius: var(--radius-card);
  background: var(--color-porcelain-mist);
}

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

.container--wide {
  width: min(100%, var(--container-max-wide));
}

.section {
  padding-block: clamp(var(--space-8), 8vw, var(--space-11));
}

.section--compact {
  padding-block: clamp(var(--space-7), 6vw, var(--space-9));
}

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

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

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

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

.surface--deep {
  background: var(--color-petrol-deep);
  color: var(--color-white);
}

.surface--petrol :is(h1, h2, h3, h4, h5, h6),
.surface--deep :is(h1, h2, h3, h4, h5, h6) {
  color: var(--color-white);
}

.panel {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-panel-glass);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-porcelain-mist);
}

.card > :last-child,
.panel > :last-child,
.content-group > :last-child,
.stack > :last-child {
  margin-block-end: 0;
}

.content-group {
  min-width: 0;
}

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

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

.cluster--spread {
  justify-content: space-between;
}

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

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

.button {
  display: inline-flex;
  min-height: 3rem;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-card);
  background: var(--color-saffron);
  color: var(--color-petrol-deep);
  font-size: var(--text-meta);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: var(--tracking-nav);
  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-saffron-hover);
  color: var(--color-petrol-deep);
  text-decoration: none;
  transform: translateY(-1px);
}

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

.button--secondary {
  border-color: currentColor;
  background: transparent;
  color: var(--color-petrol-deep);
}

.button--secondary:hover {
  border-color: var(--color-petrol-deep);
  background: var(--color-petrol-deep);
  color: var(--color-white);
}

.surface--petrol .button--secondary,
.surface--deep .button--secondary {
  border-color: rgba(255, 253, 248, 0.72);
  color: var(--color-white);
}

.surface--petrol .button--secondary:hover,
.surface--deep .button--secondary:hover {
  border-color: var(--color-white);
  background: var(--color-white);
  color: var(--color-petrol-deep);
}

.eyebrow,
.serial-label {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  align-items: center;
  gap: var(--space-2);
  margin-block-end: var(--space-3);
  color: var(--color-petrol);
  font-size: 0.6875rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.serial-label {
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--color-silver);
  border-radius: 0;
  color:inherit;
}

.surface--petrol .eyebrow,
.surface--deep .eyebrow,
.surface--petrol .serial-label,
.surface--deep .serial-label {
  color: var(--color-white);
}

.surface--petrol .serial-label,
.surface--deep .serial-label {
  border-color: rgba(174, 183, 181, 0.72);
}

.lead {
  margin-block-end: var(--space-5);
  font-size: var(--text-lead);
  line-height: 1.4;
}

.muted {
  color: rgba(23, 38, 42, 0.68);
}

.surface--petrol .muted,
.surface--deep .muted {
  color: rgba(255, 253, 248, 0.76);
}

.list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.list--content {
  display: grid;
  gap: var(--space-2);
}

.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;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-card);
  background: var(--color-saffron);
  color: var(--color-petrol-deep);
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform var(--transition-fast);
}

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

@media (min-width: 100rem) {
  :root {
    --container-max: 95rem;
  }
}

@media (max-width: 63.9375rem) {
  :root {
    --container-padding: 1.75rem;
  }
}

@media (max-width: 47.9375rem) {
  :root {
    --container-padding: 1.25rem;
  }

  h1 {
    font-size: clamp(2.75rem, 12vw, 4.25rem);
  }

  h2 {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .section {
    padding-block: clamp(var(--space-8), 14vw, 5.5rem);
  }

  .section--compact {
    padding-block: clamp(var(--space-7), 11vw, var(--space-8));
  }

  .button {
    min-height: 3.25rem;
  }

  .actions {
    align-items: stretch;
  }
}

@media (max-width: 29.9375rem) {
  .actions > .button {
    width: 100%;
  }
}

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

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