:root {
  --color-ink-950: #090a0f;
  --color-ink-900: #0e1017;
  --color-surface: #13151e;
  --color-glass-800: rgba(19, 21, 30, 0.78);
  --color-slate-700: #2a2e3b;
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #b8c0cf;
  --color-text-muted: #8993a5;
  --color-aurora-violet: #8b5cf6;
  --color-aurora-violet-hover: #a78bfa;
  --color-aurora-violet-active: #7c3aed;
  --color-aurora-indigo: #4f46e5;
  --color-warm-copper: #c98a57;
  --color-success: #58c7a3;

  --font-heading: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;

  --text-label: 0.75rem;
  --text-meta: 0.875rem;
  --text-body: 1rem;
  --text-lead: 1.125rem;
  --text-card-title: 1.5rem;
  --text-section-title: clamp(2rem, 4vw, 2.25rem);
  --text-hero: clamp(2.75rem, 7vw, 5.75rem);

  --leading-label: 1rem;
  --leading-meta: 1.35rem;
  --leading-body: 1.6rem;
  --leading-lead: 1.5rem;
  --leading-heading: 1.05;
  --leading-hero: 0.94;

  --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-max: 75rem;
  --container-padding: 2rem;
  --content-max: 42.5rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 999px;

  --border-subtle: 1px solid rgba(241, 245, 249, 0.1);
  --border-accent: 1px solid rgba(139, 92, 246, 0.42);
  --border-accent-hover: 1px solid rgba(139, 92, 246, 0.62);

  --shadow-deep: 0 20px 60px rgba(0, 0, 0, 0.34);
  --focus-ring: 0 0 0 2px var(--color-aurora-violet), 0 0 0 5px var(--color-ink-950);

  --transition-fast: 160ms ease;
  --transition-base: 220ms ease-out;
  --transition-slow: 420ms ease;
}

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  background: var(--color-ink-950);
  color-scheme: dark;
  text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-ink-950);
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: var(--leading-body);
  overflow-wrap: anywhere;
  word-break: normal;
  hyphens: auto;
}

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

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

img,
video {
  height: auto;
}

img[width][height],
picture img {
  object-fit: cover;
}

a {
  color: inherit;
  text-decoration-color: rgba(139, 92, 246, 0.7);
  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-text-primary);
  text-decoration-color: var(--color-aurora-violet);
}

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

button,
[type="button"],
[type="submit"],
[type="reset"] {
  min-height: 44px;
  border: 0;
  cursor: pointer;
}

button:disabled,
[type="button"]:disabled,
[type="submit"]:disabled,
[type="reset"]:disabled {
  cursor: not-allowed;
  opacity: 0.56;
}

input,
select,
textarea {
  width: 100%;
  border: var(--border-subtle);
  border-radius: var(--radius-sm);
  background: rgba(14, 16, 23, 0.86);
  color: var(--color-text-primary);
  line-height: 1.4;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

input,
select {
  min-height: 44px;
  padding: 0.625rem 0.75rem;
}

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

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

input:hover,
select:hover,
textarea:hover {
  border-color: rgba(241, 245, 249, 0.18);
}

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

select {
  cursor: pointer;
}

option {
  background: var(--color-ink-900);
  color: var(--color-text-primary);
}

fieldset {
  margin: 0 0 var(--space-6);
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-weight: 600;
}

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

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

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

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

th {
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-weight: 600;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-block: 0 var(--space-4);
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: var(--leading-heading);
  overflow-wrap: anywhere;
  word-break: normal;
  hyphens: auto;
}

h1 {
  font-size: var(--text-hero);
  line-height: var(--leading-hero);
  letter-spacing: -0.05em;
}

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

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

h4 {
  font-size: 1.25rem;
  line-height: 1.2;
}

h5,
h6 {
  font-size: 1rem;
  line-height: 1.3;
}

p {
  margin-block: 0 var(--space-4);
  color: var(--color-text-secondary);
  overflow-wrap: anywhere;
  word-break: normal;
  hyphens: auto;
}

ul,
ol {
  margin-block: 0 var(--space-6);
  padding: 0;
}

ul {
  list-style: none !important;
}

ol {
  padding-inline-start: 1.25rem;
}

.content-list,
.rich-text ul,
.rich-text ol {
  display: grid;
  gap: var(--space-2);
}

.content-list {
  margin-block-end: var(--space-6);
}

blockquote {
  margin: 0 0 var(--space-6);
  padding: var(--space-4) var(--space-6);
  border-inline-start: 2px solid var(--color-warm-copper);
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
}

hr {
  height: 1px;
  margin: var(--space-8) 0;
  border: 0;
  background: rgba(241, 245, 249, 0.1);
}

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

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

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

strong,
b {
  color: var(--color-text-primary);
  font-weight: 600;
}

mark {
  border-radius: var(--radius-sm);
  background: rgba(201, 138, 87, 0.2);
  color: var(--color-text-primary);
  padding-inline: 0.15em;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

::selection {
  background: rgba(139, 92, 246, 0.48);
  color: var(--color-text-primary);
}

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

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-30));
}

.section--compact {
  padding-block: clamp(var(--space-12), 6vw, var(--space-16));
}

.surface {
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-deep);
}

.surface--glass {
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  background: #13151ef0;
  background: var(--color-glass-800);
  box-shadow: var(--shadow-deep);
  backdrop-filter: blur(18px) saturate(125%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
}

.panel {
  min-width: 0;
  padding: var(--space-6);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-deep);
}

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

.eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--color-warm-copper);
  font-family: var(--font-heading);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.15em;
  line-height: var(--leading-label);
  text-transform: uppercase;
}

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

.lead {
  color: var(--color-text-secondary);
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
}

.button,
.button-secondary {
  display: inline-flex;
  min-width: 0;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  overflow-wrap: anywhere;
}

.button {
  border: 1px solid var(--color-aurora-violet);
  background: var(--color-aurora-violet);
  color: var(--color-text-primary);
}

.button:hover {
  border-color: var(--color-aurora-violet-hover);
  background: var(--color-aurora-violet-hover);
  color: var(--color-text-primary);
}

.button:active {
  border-color: var(--color-aurora-violet-active);
  background: var(--color-aurora-violet-active);
}

.button-secondary {
  border: var(--border-accent);
  background: rgba(139, 92, 246, 0.06);
  color: var(--color-text-primary);
}

.button-secondary:hover {
  border: var(--border-accent-hover);
  background: rgba(139, 92, 246, 0.14);
  color: var(--color-text-primary);
}

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

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

.stack {
  display: flex;
  min-width: 0;
  flex-direction: column;
  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;
}

.nav-toggle {
  display: inline-flex;
  width: 44px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  padding: 0;
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  background: rgba(14, 16, 23, 0.84);
  color: var(--color-text-primary);
}

.nav-toggle > span {
  display: block;
  width: 18px;
  height: 1px;
  border-radius: var(--radius-full);
  background: currentColor;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle:hover {
  border-color: rgba(139, 92, 246, 0.62);
  background: rgba(139, 92, 246, 0.12);
}

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

@media (max-width: 64rem) {
  :root {
    --container-padding: 1.5rem;
  }
}

@media (max-width: 51.25rem) {
  .button-group {
    align-items: stretch;
    flex-direction: column;
  }

  .button-group .button,
  .button-group .button-secondary {
    width: 100%;
  }
}

@media (max-width: 40rem) {
  :root {
    --container-padding: 1.25rem;
  }

  h1 {
    font-size: clamp(2.5rem, 13vw, 4rem);
  }

  h2 {
    font-size: clamp(1.875rem, 9vw, 2.25rem);
  }

  .panel {
    padding: var(--space-4);
  }

  blockquote {
    padding: var(--space-4);
  }
}

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

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