:root {
  --bg-deep: #1a0b2e;
  --bg-panel: #2d1b4e;
  --bg-panel-translucent: rgba(45, 27, 78, 0.8);
  --text-primary: #ffffff;
  --accent-fuchsia: #ff00ff;
  --accent-cyan: #00ffff;
  --accent-gold: #ffd700;
  --accent-pink: #ff69b4;
  --text-on-accent: #1a0b2e;

  --font-heading: "Orbitron", sans-serif;
  --font-body: "Exo 2", sans-serif;

  --text-display: clamp(3rem, 5vw + 1rem, 4rem);
  --text-h1: clamp(2.25rem, 4vw + 0.75rem, 3rem);
  --text-h2: clamp(1.75rem, 3vw + 0.5rem, 2.25rem);
  --text-h3: clamp(1.5rem, 2vw + 0.5rem, 1.75rem);
  --text-body: 1.125rem;
  --text-small: 0.875rem;

  --leading-display: 1.1;
  --leading-h1: 1.2;
  --leading-h2: 1.3;
  --leading-h3: 1.4;
  --leading-body: 1.6;
  --leading-small: 1.5;

  --weight-display: 700;
  --weight-h1: 700;
  --weight-h2: 700;
  --weight-h3: 600;
  --weight-body: 400;
  --weight-small: 400;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 6rem;

  --container-max: 75rem;
  --container-padding: 1.5rem;

  --section-padding-desktop: 6rem;
  --section-padding-tablet: 4rem;
  --section-padding-mobile: 3rem;

  --card-padding: 1.5rem;
  --card-padding-mobile: 1rem;

  --radius-small: 0.5rem;
  --radius-medium: 1rem;
  --radius-large: 1.5rem;
  --radius-pill: 999px;

  --border-fuchsia: 1px solid rgba(255, 0, 255, 0.5);
  --border-cyan: 1px solid rgba(0, 255, 255, 0.5);

  --glow-fuchsia: 0 0 10px rgba(255, 0, 255, 0.3);
  --glow-cyan: 0 0 10px rgba(0, 255, 255, 0.3);
  --glow-fuchsia-strong: 0 0 20px rgba(255, 0, 255, 0.5);
  --glow-cyan-strong: 0 0 20px rgba(0, 255, 255, 0.5);

  --transition-color: 0.2s ease;
  --transition-glow: 0.3s ease;
  --transition-transform: 0.3s ease;

  --focus-ring: 2px solid var(--accent-cyan);
  --focus-offset: 2px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  color: var(--text-primary);
  background-color: var(--bg-deep);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  object-fit: cover;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-color);
}

a:hover {
  color: var(--accent-fuchsia);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--weight-h1);
  line-height: var(--leading-h1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-block-end: var(--space-4);
}

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

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

h3 {
  font-size: var(--text-h3);
  font-weight: var(--weight-h3);
  line-height: var(--leading-h3);
}

p {
  margin-block-end: var(--space-4);
  line-height: var(--leading-body);
}

p:last-child {
  margin-block-end: 0;
}

blockquote {
  margin-block-end: var(--space-4);
  padding-inline-start: var(--space-4);
  border-inline-start: 3px solid var(--accent-fuchsia);
  font-style: italic;
}

blockquote:last-child {
  margin-block-end: 0;
}

figure {
  margin-block-end: var(--space-4);
}

figure:last-child {
  margin-block-end: 0;
}

figcaption {
  font-size: var(--text-small);
  line-height: var(--leading-small);
  color: rgba(255, 255, 255, 0.7);
  margin-block-start: var(--space-2);
}

address {
  font-style: normal;
}

hr {
  border: none;
  border-block-start: 1px solid rgba(255, 0, 255, 0.3);
  margin-block: var(--space-6);
}

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

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

.surface-card {
  background-color: var(--bg-panel-translucent);
  border: var(--border-fuchsia);
  border-radius: var(--radius-medium);
  padding: var(--card-padding);
  box-shadow: var(--glow-fuchsia);
  transition: box-shadow var(--transition-glow), border-color var(--transition-glow);
}

.surface-card:hover {
  box-shadow: var(--glow-fuchsia-strong);
  border-color: rgba(255, 0, 255, 0.8);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-h3);
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-small);
  transition: background-color var(--transition-color), color var(--transition-color),
    box-shadow var(--transition-glow), transform var(--transition-transform);
  min-height: 3rem;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

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

.btn-primary {
  background-color: var(--accent-fuchsia);
  color: var(--text-on-accent);
  box-shadow: var(--glow-fuchsia);
}

.btn-primary:hover {
  background-color: #ff33ff;
  box-shadow: var(--glow-fuchsia-strong);
}

.btn-secondary {
  background-color: transparent;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 255, 255, 0.5);
  box-shadow: var(--glow-cyan);
}

.btn-secondary:hover {
  border-color: rgba(0, 255, 255, 0.8);
  box-shadow: var(--glow-cyan-strong);
  color: #66ffff;
}

.content-list {
  margin-block-end: var(--space-4);
  padding-inline-start: var(--space-4);
}

.content-list:last-child {
  margin-block-end: 0;
}

.content-list li {
  margin-block-end: var(--space-2);
  position: relative;
  padding-inline-start: var(--space-3);
}

.content-list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background-color: var(--accent-fuchsia);
}

.content-list li:last-child {
  margin-block-end: 0;
}

.flex-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.flex-row > * {
  min-width: 0;
  flex-shrink: 1;
}

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

.flex-column > * {
  min-width: 0;
  flex-shrink: 1;
}

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

:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

@media (max-width: 62rem) {
  .section {
    padding-block: var(--section-padding-tablet);
  }
}

@media (max-width: 48rem) {
  body {
    font-size: 1rem;
  }

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

  .surface-card {
    padding: var(--card-padding-mobile);
  }

  .container {
    padding-inline: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}