:root {
  --bg-base: #0B0C10;
  --bg-surface: #1F2833;
  --text-primary: #FFFFFF;
  --accent: #CCFF00;
  --text-on-accent: #0B0C10;
  --border-subtle: rgba(255, 255, 255, 0.2);
  --shadow-elevation: 0 4px 12px rgba(0, 0, 0, 0.5);
  --font-heading: "Arial Black", sans-serif;
  --font-body: Arial, sans-serif;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;
  --container-max: 1200px;
  --container-gutter: 24px;
  --radius-card: 4px;
  --radius-image: 8px;
  --radius-button: 0px;
  --radius-modal: 0px;
  --transition-fast: 0.2s ease;
  --display-size: clamp(40px, 5vw, 64px);
  --h1-size: clamp(32px, 4vw, 48px);
  --h2-size: clamp(28px, 3vw, 36px);
  --h3-size: clamp(24px, 2.5vw, 28px);
  --body-size: 16px;
  --small-size: 14px;
}

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

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

body {
  min-height: 100vh;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

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

a:hover {
  color: var(--text-primary);
}

ul,
ol {
  list-style: none !important;
  padding: 0;
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-block-end: var(--space-3);
}

h1 {
  font-size: var(--h1-size);
  line-height: 1.2;
}

h2 {
  font-size: var(--h2-size);
  line-height: 1.3;
}

h3 {
  font-size: var(--h3-size);
  line-height: 1.4;
}

h4 {
  font-size: 20px;
  line-height: 1.4;
}

h5 {
  font-size: 18px;
  line-height: 1.4;
}

h6 {
  font-size: 16px;
  line-height: 1.4;
}

p {
  margin-block-end: var(--space-3);
  line-height: 1.6;
}

blockquote {
  margin-block-end: var(--space-3);
  padding-inline-start: var(--space-3);
  border-inline-start: 3px solid var(--accent);
  color: var(--text-primary);
}

figure {
  margin-block-end: var(--space-3);
}

figcaption {
  font-size: var(--small-size);
  line-height: 1.5;
  color: var(--text-primary);
  opacity: 0.7;
  margin-block-start: var(--space-2);
}

address {
  font-style: normal;
  margin-block-end: var(--space-3);
}

pre,
code,
kbd,
samp {
  font-family: "Courier New", monospace;
  font-size: 0.9em;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-block-end: var(--space-3);
}

th,
td {
  padding: var(--space-2) var(--space-3);
  text-align: start;
  border-bottom: 1px solid var(--border-subtle);
}

th {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 700;
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

tbody tr:nth-child(even) {
  background-color: rgba(31, 40, 51, 0.5);
}

hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin-block: var(--space-4);
}

fieldset {
  border: 1px solid var(--border-subtle);
  padding: var(--space-3);
  margin-block-end: var(--space-3);
}

legend {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 700;
  padding-inline: var(--space-2);
  color: var(--text-primary);
}

label {
  display: block;
  font-size: var(--small-size);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-block-end: var(--space-1);
  color: var(--text-primary);
}

input,
textarea,
select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  color: var(--text-primary);
  font-size: var(--body-size);
  line-height: 1.5;
  transition: border-color var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23CCFF00' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-inline-end: var(--space-5);
}

input[type="checkbox"],
input[type="radio"] {
  width: auto;
  min-width: 18px;
  min-height: 18px;
  accent-color: var(--accent);
}

input[type="file"] {
  padding: var(--space-2);
  background-color: transparent;
  border: 1px dashed var(--border-subtle);
}

input[type="range"] {
  padding: 0;
  border: none;
  background: transparent;
  accent-color: var(--accent);
}

input[type="color"] {
  padding: var(--space-1);
  min-height: 44px;
  border-radius: var(--radius-card);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-primary);
  opacity: 0.5;
}

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

.surface {
  background-color: rgba(31, 40, 51, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  box-shadow: var(--shadow-elevation);
}

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

.card {
  background-color: rgba(31, 40, 51, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  box-shadow: var(--shadow-elevation);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.card:hover {
  transform: scale(1.02);
  border-color: var(--accent);
}

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

.panel {
  background-color: rgba(31, 40, 51, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  box-shadow: var(--shadow-elevation);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  background-color: var(--accent);
  color: var(--text-on-accent);
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 700;
  font-size: var(--body-size);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-button);
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.btn:hover {
  background-color: var(--text-primary);
  color: var(--bg-base);
  transform: scale(1.02);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tag {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  font-size: var(--small-size);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  border: 1px solid var(--accent);
  border-radius: var(--radius-card);
  background-color: transparent;
}

.media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-image);
  background-color: var(--bg-surface);
}

.media img,
.media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media--16-9 {
  aspect-ratio: 16 / 9;
}

.media--4-3 {
  aspect-ratio: 4 / 3;
}

.media--1-1 {
  aspect-ratio: 1 / 1;
}

.media--3-2 {
  aspect-ratio: 3 / 2;
}

.media--21-9 {
  aspect-ratio: 21 / 9;
}

.flex {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

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

.flex--nowrap {
  flex-wrap: nowrap;
}

.flex--column {
  flex-direction: column;
}

.flex--center {
  align-items: center;
  justify-content: center;
}

.flex--between {
  align-items: center;
  justify-content: space-between;
}

.flex--start {
  align-items: flex-start;
  justify-content: flex-start;
}

.flex--end {
  align-items: flex-end;
  justify-content: flex-end;
}

.flex--stretch {
  align-items: stretch;
}

.flex--gap-1 {
  gap: var(--space-1);
}

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

.flex--gap-3 {
  gap: var(--space-3);
}

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

.flex--gap-5 {
  gap: var(--space-5);
}

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

.flex--gap-7 {
  gap: var(--space-7);
}

.flex--gap-8 {
  gap: var(--space-8);
}

.nav-toggle {
  flex-direction: column;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-2);
  background-color: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--accent);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.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: 2px solid var(--accent);
  outline-offset: 2px;
}

::selection {
  background-color: var(--accent);
  color: var(--text-on-accent);
}

@media (max-width: 768px) {
  :root {
    --container-gutter: 16px;
  }

  .container {
    padding-inline: var(--container-gutter);
  }
}

@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;
  }
}