@charset "UTF-8";

:root {
  --color-bg-obsidian: #1a1a2e;
  --color-surface-charcoal: #2d2d44;
  --color-text-primary: #ffffff;
  --color-accent-neon-orange: #ff6b35;
  --color-accent-lime: #aaff00;
  --color-accent-cyan: #00ffff;

  --font-heading: "Orbitron", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;

  --text-display-size: clamp(2.5rem, 5vw, 4rem);
  --text-display-weight: 900;
  --text-display-tracking: 0.02em;
  --text-h1-size: clamp(2rem, 4vw, 3rem);
  --text-h1-weight: 800;
  --text-h1-tracking: 0.02em;
  --text-h2-size: clamp(1.5rem, 3vw, 2.25rem);
  --text-h2-weight: 700;
  --text-h2-tracking: 0.02em;
  --text-h3-size: clamp(1.25rem, 2vw, 1.75rem);
  --text-h3-weight: 700;
  --text-h3-tracking: 0.02em;
  --text-body-size: 1rem;
  --text-body-weight: 400;
  --text-body-line-height: 1.6;
  --text-small-size: 0.875rem;
  --text-small-weight: 400;
  --text-small-line-height: 1.5;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  --container-max: 1200px;
  --container-padding: var(--space-lg);

  --surface-bg: var(--color-surface-charcoal);
  --surface-border: 1px solid var(--color-accent-neon-orange);
  --surface-radius: 4px;
  --surface-shadow: 0 0 15px rgba(255, 107, 53, 0.3);

  --corner-sharp: 0px;
  --corner-small: 4px;

  --transition-color: 0.2s ease;
  --transition-scale: 0.3s ease;
  --transition-shadow: 0.3s ease;

  --focus-outline: 2px solid var(--color-accent-neon-orange);
  --focus-outline-offset: 2px;

  --touch-target-min: 44px;
}

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

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--text-h2-weight);
  letter-spacing: var(--text-h2-tracking);
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-block-end: var(--space-md);
}

h1 {
  font-size: var(--text-h1-size);
  font-weight: var(--text-h1-weight);
  letter-spacing: var(--text-h1-tracking);
}

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

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

h4,
h5,
h6 {
  font-size: var(--text-body-size);
  font-weight: 700;
}

p {
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  margin-block-end: var(--space-md);
}

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

ul,
ol {
  margin-block-end: var(--space-md);
  padding-inline-start: var(--space-lg);
}

ul:last-child,
ol:last-child {
  margin-block-end: 0;
}

ul {
  list-style: none;
}

ol {
  list-style: decimal;
}

blockquote {
  margin-block-end: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-inline-start: 3px solid var(--color-accent-neon-orange);
  background-color: var(--color-surface-charcoal);
  border-radius: var(--corner-small);
}

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

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

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

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

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

img {
  border-radius: var(--corner-sharp);
}

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

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

figcaption {
  font-size: var(--text-small-size);
  line-height: var(--text-small-line-height);
  color: var(--color-text-primary);
  opacity: 0.8;
  margin-block-start: var(--space-sm);
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  min-height: var(--touch-target-min);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

input,
select,
textarea {
  background-color: var(--color-bg-obsidian);
  border: 1px solid var(--color-accent-neon-orange);
  border-radius: var(--corner-small);
  padding: var(--space-sm) var(--space-md);
  min-height: var(--touch-target-min);
  width: 100%;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-primary);
  opacity: 0.6;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

label {
  display: block;
  margin-block-end: var(--space-xs);
  font-size: var(--text-small-size);
  font-weight: 500;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-block-end: var(--space-md);
  background-color: var(--color-surface-charcoal);
  border: 1px solid var(--color-accent-neon-orange);
  border-radius: var(--corner-small);
  overflow: hidden;
}

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

th,
td {
  padding: var(--space-sm) var(--space-md);
  text-align: start;
  border-block-end: 1px solid rgba(255, 107, 53, 0.3);
}

th {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: var(--text-h2-tracking);
  text-transform: uppercase;
  font-size: var(--text-small-size);
  background-color: rgba(255, 107, 53, 0.15);
}

tr:nth-child(even) td {
  background-color: rgba(255, 255, 255, 0.03);
}

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

.surface-card {
  background-color: var(--surface-bg);
  border: var(--surface-border);
  border-radius: var(--corner-small);
  box-shadow: var(--surface-shadow);
  padding: var(--space-lg);
}

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

.surface-panel {
  background-color: var(--surface-bg);
  border: var(--surface-border);
  border-radius: var(--corner-small);
  padding: var(--space-lg);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: var(--touch-target-min);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: var(--text-h2-tracking);
  text-transform: uppercase;
  font-size: var(--text-small-size);
  border-radius: var(--corner-sharp);
  border: 2px solid var(--color-accent-neon-orange);
  color: var(--color-text-primary);
  background-color: var(--color-accent-neon-orange);
  cursor: pointer;
  transition: transform var(--transition-scale), box-shadow var(--transition-shadow), background-color var(--transition-color), color var(--transition-color);
}

.btn:hover {
  transform: scale(1.02);
  box-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
  color: var(--color-bg-obsidian);
}

.btn:active {
  transform: scale(0.98);
  background-color: var(--color-accent-neon-orange);
  color: var(--color-bg-obsidian);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-accent-neon-orange);
}

.btn--outline:hover {
  background-color: var(--color-accent-neon-orange);
  color: var(--color-bg-obsidian);
}

.btn--lime {
  border-color: var(--color-accent-lime);
  background-color: var(--color-accent-lime);
  color: var(--color-bg-obsidian);
}

.btn--lime:hover {
  box-shadow: 0 0 20px rgba(170, 255, 0, 0.5);
  color: var(--color-bg-obsidian);
}

.btn--cyan {
  border-color: var(--color-accent-cyan);
  background-color: var(--color-accent-cyan);
  color: var(--color-bg-obsidian);
}

.btn--cyan:hover {
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
  color: var(--color-bg-obsidian);
}

.callout {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--corner-small);
  border: 1px solid;
  margin-block-end: var(--space-md);
}

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

.callout--tip {
  border-color: var(--color-accent-lime);
  background-color: rgba(170, 255, 0, 0.08);
}

.callout--warning {
  border-color: var(--color-accent-cyan);
  background-color: rgba(0, 255, 255, 0.08);
}

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

.section-headline {
  font-family: var(--font-heading);
  font-weight: var(--text-h2-weight);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: var(--text-h2-size);
  color: var(--color-text-primary);
  margin-block-end: var(--space-md);
}

.section-headline:last-child {
  margin-block-end: 0;
}

.display-heading {
  font-family: var(--font-heading);
  font-size: var(--text-display-size);
  font-weight: var(--text-display-weight);
  letter-spacing: var(--text-display-tracking);
  line-height: 1.1;
  color: var(--color-text-primary);
  margin-block-end: var(--space-md);
}

.display-heading:last-child {
  margin-block-end: 0;
}

.content-list {
  list-style: none;
  padding-inline-start: 0;
  margin-block-end: var(--space-md);
}

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

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

.content-list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.6em;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent-neon-orange);
  border-radius: var(--corner-sharp);
}

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

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

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

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

.flex-col > * {
  min-width: 0;
}

.flex-between {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  justify-content: space-between;
}

.flex-between > * {
  min-width: 0;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  justify-content: center;
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  padding: var(--space-sm);
  background-color: transparent;
  border: 1px solid var(--color-accent-neon-orange);
  border-radius: var(--corner-small);
  cursor: pointer;
}

.nav-toggle:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-accent-neon-orange);
  border-radius: 0;
}

.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;
}

.skip-link {
  position: absolute;
  inset-block-start: -100%;
  inset-inline-start: var(--space-md);
  z-index: 9999;
  background-color: var(--color-accent-neon-orange);
  color: var(--color-bg-obsidian);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--corner-sharp);
  transition: inset-block-start var(--transition-color);
}

.skip-link:focus {
  inset-block-start: var(--space-md);
}

@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-md);
  }

  .surface-card,
  .surface-panel {
    padding: var(--space-md);
  }

  .btn {
    padding: var(--space-sm) var(--space-md);
  }
}

@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;
  }
}
html, body {
  overflow-x: clip;
  max-width: 100%;
}

img, video, svg {
  max-width: 100%;
  height: auto;
}