:root {
  --color-obsidian-950: #0a0a0c;
  --color-graphite-900: #121216;
  --color-slate-800: #1b1d24;
  --color-slate-700: #353944;
  --color-champagne-gold: #d4af37;
  --color-light-champagne: #f3e5ab;
  --color-platinum: #e6e7ea;
  --color-platinum-muted: #a8acb8;
  --color-warm-amber: #b9792c;
  --color-emerald-neon: #42d6a4;
  --color-danger: #e87979;

  --color-background: var(--color-obsidian-950);
  --color-background-alt: var(--color-graphite-900);
  --color-surface: rgba(27, 29, 36, 0.78);
  --color-surface-solid: var(--color-slate-800);
  --color-surface-muted: rgba(18, 18, 22, 0.9);
  --color-border: rgba(53, 57, 68, 0.9);
  --color-border-subtle: rgba(243, 229, 171, 0.16);
  --color-border-active: var(--color-champagne-gold);
  --color-text: var(--color-platinum);
  --color-text-muted: var(--color-platinum-muted);
  --color-heading: var(--color-platinum);
  --color-link: var(--color-light-champagne);
  --color-focus: var(--color-light-champagne);
  --color-success: var(--color-emerald-neon);
  --color-error: var(--color-danger);

  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "Manrope", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: clamp(1.75rem, 3vw, 2rem);
  --text-3xl: clamp(2rem, 4vw, 2.625rem);
  --text-4xl: clamp(2.5rem, 6vw, 4rem);

  --leading-tight: 0.98;
  --leading-heading: 1.08;
  --leading-subheading: 1.15;
  --leading-card: 1.25;
  --leading-body: 1.65;
  --leading-small: 1.5;

  --tracking-heading: -0.025em;
  --tracking-label: 0.08em;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-22: 5.5rem;
  --space-30: 7.5rem;

  --container-content: 75rem;
  --container-wide: 90rem;
  --container-padding: 1.5rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  --border-width: 1px;
  --shadow-soft: 0 18px 60px rgba(0, 0, 0, 0.38);
  --glow-gold: 0 0 40px rgba(212, 175, 55, 0.16);
  --glow-emerald: 0 0 40px rgba(66, 214, 164, 0.12);

  --transition-fast: 180ms ease;
  --transition-base: 220ms ease;
  --transition-slow: 280ms ease;
}

@media (min-width: 48rem) {
  :root {
    --container-padding: 2.5rem;
  }
}

@media (min-width: 75rem) {
  :root {
    --container-padding: 4rem;
  }
}

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

html {
  min-width: 20rem;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 20rem;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  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,
div {
  min-width: 0;
}

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

img,
video {
  height: auto;
}

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

svg {
  fill: currentColor;
}

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

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

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

button,
select {
  text-transform: none;
}

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);
  border-radius: var(--radius-sm);
  background: var(--color-surface-muted);
  color: var(--color-text);
  line-height: 1.5;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

input,
select {
  min-height: 2.75rem;
  padding: 0.625rem 0.75rem;
}

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

select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-light-champagne) 50%), linear-gradient(135deg, var(--color-light-champagne) 50%, transparent 50%);
  background-position: calc(100% - 1rem) calc(50% - 0.125rem), calc(100% - 0.6875rem) calc(50% - 0.125rem);
  background-repeat: no-repeat;
  background-size: 0.375rem 0.375rem, 0.375rem 0.375rem;
  padding-right: 2.5rem;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.82;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-champagne-gold);
  background-color: rgba(27, 29, 36, 0.96);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.12);
  outline: none;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1rem;
  min-height: 1rem;
  accent-color: var(--color-champagne-gold);
}

input[type="file"] {
  padding: 0.5rem;
}

input[type="file"]::file-selector-button {
  margin-right: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-slate-800);
  color: var(--color-text);
  padding: 0.375rem 0.625rem;
  font: inherit;
}

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

legend {
  padding: 0 var(--space-2);
  color: var(--color-light-champagne);
  font-weight: 700;
}

label {
  display: inline-block;
  margin-bottom: var(--space-2);
  color: var(--color-platinum);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: var(--leading-small);
}

progress {
  accent-color: var(--color-champagne-gold);
}

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

a {
  color: var(--color-link);
  text-decoration-color: rgba(243, 229, 171, 0.5);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-champagne-gold);
  text-decoration-color: currentColor;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

:focus:not(:focus-visible) {
  outline: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-top: 0;
  margin-bottom: var(--space-4);
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: var(--tracking-heading);
}

h1 {
  font-size: var(--text-4xl);
  line-height: var(--leading-tight);
}

h2 {
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
}

h3 {
  font-size: var(--text-2xl);
  line-height: var(--leading-subheading);
}

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

h5 {
  font-size: var(--text-lg);
  line-height: 1.3;
}

h6 {
  font-size: var(--text-base);
  line-height: 1.4;
}

p {
  margin-top: 0;
  margin-bottom: var(--space-6);
}

ul,
ol {
  margin-top: 0;
  margin-bottom: var(--space-6);
  padding-left: 1.25rem;
}

li::marker {
  color: var(--color-champagne-gold);
}

blockquote {
  margin: 0 0 var(--space-6);
  border-left: 2px solid var(--color-champagne-gold);
  padding: var(--space-3) 0 var(--space-3) var(--space-4);
  color: var(--color-light-champagne);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.6;
}

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

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

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

dt {
  color: var(--color-light-champagne);
  font-weight: 700;
}

dd {
  margin: 0 0 var(--space-4);
  color: var(--color-text-muted);
}

small {
  font-size: var(--text-xs);
  line-height: 1.4;
}

strong,
b {
  font-weight: 700;
}

mark {
  background: rgba(212, 175, 55, 0.22);
  color: var(--color-light-champagne);
  padding: 0.0625em 0.18em;
}

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

code,
kbd {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-slate-800);
  padding: 0.1em 0.3em;
  font-size: 0.9em;
}

pre {
  max-width: 100%;
  margin: 0 0 var(--space-6);
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
  padding: var(--space-4);
  color: var(--color-platinum);
}

pre code {
  border: 0;
  background: transparent;
  padding: 0;
}

details {
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
  padding: var(--space-4);
}

summary {
  color: var(--color-light-champagne);
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
}

details > :last-child {
  margin-bottom: 0;
}

::selection {
  background: var(--color-champagne-gold);
  color: var(--color-obsidian-950);
}

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

.container-wide {
  max-width: var(--container-wide);
}

.section {
  padding-block: var(--space-16);
}

.section--large {
  padding-block: var(--space-22);
}

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

.surface-glass {
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.card {
  min-width: 0;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  padding: var(--space-6);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: border-color var(--transition-base), transform var(--transition-base), background-color var(--transition-base);
}

.card:hover {
  border-color: rgba(212, 175, 55, 0.5);
  background: rgba(27, 29, 36, 0.88);
  transform: translateY(-2px);
}

.card > :last-child,
.surface-glass > :last-child,
.compact-content > :last-child {
  margin-bottom: 0;
}

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

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

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

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

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

.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-width: 0;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--color-obsidian-950);
  background: var(--color-champagne-gold);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 800;
  line-height: 1.3;
  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 {
  color: var(--color-obsidian-950);
  background: var(--color-light-champagne);
  text-decoration: none;
}

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

.button--secondary {
  border-color: rgba(243, 229, 171, 0.56);
  background: transparent;
  color: var(--color-light-champagne);
}

.button--secondary:hover {
  border-color: var(--color-champagne-gold);
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-light-champagne);
}

.button--quiet {
  border-color: var(--color-border);
  background: var(--color-slate-800);
  color: var(--color-platinum);
}

.button--quiet:hover {
  border-color: var(--color-champagne-gold);
  background: rgba(27, 29, 36, 0.98);
  color: var(--color-light-champagne);
}

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

.eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--color-champagne-gold);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: var(--tracking-label);
  line-height: 1.4;
  text-transform: uppercase;
}

.lead {
  color: var(--color-platinum);
  font-size: var(--text-lg);
  line-height: 1.6;
}

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

.text-gold {
  color: var(--color-light-champagne);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: fit-content;
  border: 1px solid rgba(66, 214, 164, 0.36);
  border-radius: 999px;
  background: rgba(66, 214, 164, 0.08);
  color: var(--color-success);
  padding: 0.25rem 0.625rem;
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.4;
}

.notice-success,
.notice-error {
  margin-bottom: var(--space-6);
  border: 1px solid;
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.notice-success {
  border-color: rgba(66, 214, 164, 0.44);
  background: rgba(66, 214, 164, 0.08);
  color: var(--color-platinum);
}

.notice-error {
  border-color: rgba(232, 121, 121, 0.5);
  background: rgba(232, 121, 121, 0.08);
  color: var(--color-platinum);
}

.notice-success > :last-child,
.notice-error > :last-child {
  margin-bottom: 0;
}

.form-field {
  min-width: 0;
  margin-bottom: var(--space-4);
}

.form-error {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-error);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: var(--leading-small);
}

.form-help {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-small);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  margin: -1px;
  border: 0;
  padding: 0;
  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-light-champagne);
  color: var(--color-obsidian-950);
  padding: var(--space-3) var(--space-4);
  font-weight: 800;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

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

@media (min-width: 48rem) {
  .section {
    padding-block: var(--space-22);
  }

  .section--large {
    padding-block: var(--space-30);
  }

  .button {
    padding: 0.8125rem 1.125rem;
  }
}

@media (max-width: 37.4375rem) {
  .actions > .button {
    width: 100%;
  }
}

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

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

  .card:hover,
  .button:active {
    transform: none;
  }
}