:root {
  --color-void: #0A0A0F;
  --color-violet-deep: #1A0B2E;
  --color-cyan-glow: #00E5FF;
  --color-pink-neon: #FF2E88;
  --color-green-custom: #39FF88;
  --color-text-primary: #E8E8F0;
  --color-text-secondary: #9A9AB0;
  --color-border-subtle: #2A2A3A;
  --color-glass-fill: rgba(26, 11, 46, 0.55);

  --font-heading: 'Rajdhani', 'Saira Condensed', sans-serif;
  --font-body: 'Inter', 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', 'JetBrains Mono', 'Fira Code', monospace;

  --text-display-size: clamp(2.5rem, 6vw, 4rem);
  --text-h1-size: clamp(2rem, 4.5vw, 3rem);
  --text-h2-size: clamp(1.75rem, 3.5vw, 2.25rem);
  --text-h3-size: clamp(1.5rem, 2.5vw, 1.75rem);
  --text-h4-size: clamp(1.25rem, 2vw, 1.375rem);
  --text-body-large-size: 1.125rem;
  --text-body-size: 1rem;
  --text-body-small-size: 0.875rem;
  --text-mono-label-size: 0.75rem;
  --text-mono-micro-size: 0.625rem;

  --leading-display: 1.05;
  --leading-h1: 1.1;
  --leading-h2: 1.15;
  --leading-h3: 1.2;
  --leading-h4: 1.25;
  --leading-body-large: 1.6;
  --leading-body: 1.65;
  --leading-body-small: 1.6;
  --leading-mono-label: 1.4;
  --leading-mono-micro: 1.4;

  --tracking-display: -0.02em;
  --tracking-h1: -0.01em;
  --tracking-h2: 0;
  --tracking-h3: 0;
  --tracking-h4: 0;
  --tracking-body-large: 0;
  --tracking-body: 0;
  --tracking-body-small: 0;
  --tracking-mono-label: 0.08em;
  --tracking-mono-micro: 0.1em;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  --container-max: 75rem;
  --container-wide-max: 90rem;
  --container-pad-mobile: 1.5rem;
  --container-pad-tablet: 2rem;
  --container-pad-desktop: 3rem;

  --grid-gutter-desktop: 1.5rem;
  --grid-gutter-tablet: 1rem;
  --grid-gutter-mobile: 0.75rem;

  --section-gap-mobile: 4rem;
  --section-gap-desktop: 6rem;

  --surface-border: 1px solid var(--color-border-subtle);
  --surface-border-active: 1px solid var(--color-cyan-glow);
  --surface-border-alert: 1px solid var(--color-pink-neon);
  --surface-border-success: 1px solid var(--color-green-custom);

  --shadow-elevated: 0 4px 24px rgba(0, 0, 0, 0.6);
  --shadow-cyan-glow: 0 0 8px rgba(0, 229, 255, 0.4);
  --shadow-pink-glow: 0 0 8px rgba(255, 46, 136, 0.3);
  --shadow-green-glow: 0 0 6px rgba(57, 255, 136, 0.3);
  --shadow-heading-glow: 0 0 12px rgba(0, 229, 255, 0.15);

  --clip-corner-sm: polygon(0 0, calc(100% - 4px) 0, 100% 4px, 100% 100%, 4px 100%, 0 calc(100% - 4px));
  --clip-corner-md: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  --clip-corner-lg: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));

  --radius-terminal: 0px;
  --radius-input: 2px;
  --radius-button: 4px;
  --radius-card: 8px;

  --transition-fast: 150ms ease-out;
  --transition-medium: 250ms ease-out;
  --transition-slow: 300ms ease-out;

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

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

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

body {
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--color-void);
  background-image: radial-gradient(ellipse at 15% 10%, rgba(26, 11, 46, 0.7) 0%, transparent 55%);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  font-weight: var(--weight-regular);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  -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;
}

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

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-h2);
  letter-spacing: var(--tracking-h2);
  overflow-wrap: break-word;
  text-wrap: balance;
}

h1 {
  font-size: var(--text-h1-size);
  line-height: var(--leading-h1);
  letter-spacing: var(--tracking-h1);
  font-weight: var(--weight-bold);
  margin-block-end: var(--space-lg);
}

h2 {
  font-size: var(--text-h2-size);
  margin-block-end: var(--space-md);
}

h3 {
  font-size: var(--text-h3-size);
  line-height: var(--leading-h3);
  letter-spacing: var(--tracking-h3);
  margin-block-end: var(--space-sm);
}

h4 {
  font-size: var(--text-h4-size);
  line-height: var(--leading-h4);
  letter-spacing: var(--tracking-h4);
  margin-block-end: var(--space-sm);
}

h5,
h6 {
  font-size: var(--text-body-size);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  margin-block-end: var(--space-xs);
}

p {
  font-size: var(--text-body-size);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  margin-block-end: var(--space-md);
  overflow-wrap: break-word;
}

blockquote {
  margin-block-end: var(--space-md);
  padding-inline-start: var(--space-lg);
  border-inline-start: 2px solid var(--color-cyan-glow);
  color: var(--color-text-secondary);
}

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

figcaption {
  font-family: var(--font-mono);
  font-size: var(--text-mono-micro-size);
  line-height: var(--leading-mono-micro);
  letter-spacing: var(--tracking-mono-micro);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-block-start: var(--space-xs);
}

hr {
  border: none;
  border-block-start: 1px solid var(--color-border-subtle);
  margin-block: var(--space-lg);
}

address {
  font-style: normal;
}

pre,
code,
kbd,
samp {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

pre {
  margin-block-end: var(--space-md);
  padding: var(--space-md);
  background-color: rgba(10, 10, 15, 0.7);
  border: 1px solid var(--color-border-subtle);
  overflow-x: auto;
}

code {
  padding: 0.125em 0.375em;
  background-color: rgba(10, 10, 15, 0.7);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-input);
}

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

strong {
  font-weight: var(--weight-semibold);
}

em {
  font-style: italic;
}

mark {
  background-color: rgba(0, 229, 255, 0.15);
  color: var(--color-cyan-glow);
  padding: 0.125em 0.25em;
}

abbr[title] {
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}

label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-mono-label-size);
  line-height: var(--leading-mono-label);
  letter-spacing: var(--tracking-mono-label);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-block-end: var(--space-xs);
}

input,
textarea,
select {
  width: 100%;
  background-color: var(--color-void);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-input);
  color: var(--color-text-primary);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-body-size);
  line-height: var(--leading-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  font-family: var(--font-mono);
  font-size: var(--text-mono-label-size);
  line-height: var(--leading-mono-label);
  letter-spacing: var(--tracking-mono-label);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  opacity: 0.7;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-cyan-glow);
  box-shadow: var(--shadow-cyan-glow);
}

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

select {
  appearance: none;
  -webkit-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='%239A9AB0' stroke-width='1.5' fill='none' stroke-linecap='square'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-inline-end: var(--space-xl);
}

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

legend {
  font-family: var(--font-mono);
  font-size: var(--text-mono-label-size);
  line-height: var(--leading-mono-label);
  letter-spacing: var(--tracking-mono-label);
  text-transform: uppercase;
  color: var(--color-cyan-glow);
  padding-inline: var(--space-xs);
}

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

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

.surface-glass {
  background-color: var(--color-glass-fill);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: var(--surface-border);
  clip-path: var(--clip-corner-md);
}

.surface-glass-elevated {
  background-color: rgba(26, 11, 46, 0.75);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: var(--surface-border-active);
  box-shadow: var(--shadow-elevated), var(--shadow-cyan-glow);
  clip-path: var(--clip-corner-lg);
}

.surface-panel {
  background-color: rgba(10, 10, 15, 0.6);
  border: var(--surface-border);
  clip-path: var(--clip-corner-md);
}

.surface-interactive {
  background-color: rgba(10, 10, 15, 0.4);
  border: var(--surface-border);
  clip-path: var(--clip-corner-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.surface-interactive:hover {
  border-color: var(--color-cyan-glow);
  box-shadow: var(--shadow-cyan-glow);
  background-color: rgba(0, 229, 255, 0.05);
}

.surface-alert {
  border: var(--surface-border-alert);
  box-shadow: var(--shadow-pink-glow);
}

.surface-success {
  border: var(--surface-border-success);
  box-shadow: var(--shadow-green-glow);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 44px;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: var(--text-body-small-size);
  font-weight: var(--weight-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-cyan-glow);
  background-color: transparent;
  border: 1px solid var(--color-cyan-glow);
  clip-path: var(--clip-corner-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.btn:hover {
  background-color: rgba(0, 229, 255, 0.1);
  box-shadow: var(--shadow-cyan-glow);
  color: var(--color-cyan-glow);
}

.btn:active {
  transform: scale(0.98);
}

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

.btn-primary {
  background-color: var(--color-cyan-glow);
  color: var(--color-void);
  border-color: var(--color-cyan-glow);
  font-weight: var(--weight-semibold);
}

.btn-primary:hover {
  background-color: rgba(0, 229, 255, 0.85);
  color: var(--color-void);
  box-shadow: var(--shadow-cyan-glow);
}

.btn-secondary {
  border-color: var(--color-pink-neon);
  color: var(--color-pink-neon);
}

.btn-secondary:hover {
  background-color: rgba(255, 46, 136, 0.1);
  box-shadow: var(--shadow-pink-glow);
  color: var(--color-pink-neon);
}

.btn-success {
  border-color: var(--color-green-custom);
  color: var(--color-green-custom);
}

.btn-success:hover {
  background-color: rgba(57, 255, 136, 0.1);
  box-shadow: var(--shadow-green-glow);
  color: var(--color-green-custom);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-2xs) var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-mono-micro-size);
  line-height: var(--leading-mono-micro);
  letter-spacing: var(--tracking-mono-micro);
  text-transform: uppercase;
  font-weight: var(--weight-medium);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-input);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.tag-info {
  border-color: var(--color-cyan-glow);
  color: var(--color-cyan-glow);
}

.tag-alert {
  border-color: var(--color-pink-neon);
  color: var(--color-pink-neon);
}

.tag-success {
  border-color: var(--color-green-custom);
  color: var(--color-green-custom);
}

.mono-label {
  font-family: var(--font-mono);
  font-size: var(--text-mono-label-size);
  line-height: var(--leading-mono-label);
  letter-spacing: var(--tracking-mono-label);
  text-transform: uppercase;
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
}

.mono-micro {
  font-family: var(--font-mono);
  font-size: var(--text-mono-micro-size);
  line-height: var(--leading-mono-micro);
  letter-spacing: var(--tracking-mono-micro);
  text-transform: uppercase;
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
}

.mono-label-cyan {
  color: var(--color-cyan-glow);
}

.mono-label-pink {
  color: var(--color-pink-neon);
}

.mono-label-green {
  color: var(--color-green-custom);
}

.display-heading {
  font-family: var(--font-heading);
  font-size: var(--text-display-size);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  text-shadow: var(--shadow-heading-glow);
  margin-block-end: var(--space-lg);
  overflow-wrap: break-word;
  text-wrap: balance;
}

.section-gap {
  margin-block-end: var(--section-gap-mobile);
}

.divider-cyan {
  border: none;
  border-block-start: 1px solid var(--color-cyan-glow);
  box-shadow: var(--shadow-cyan-glow);
  margin-block: var(--space-md);
}

.divider-subtle {
  border: none;
  border-block-start: 1px solid var(--color-border-subtle);
  margin-block: var(--space-md);
}

.flex-row {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-md);
  min-width: 0;
}

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

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

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

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  min-width: 0;
}

.flex-between > * {
  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;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 9999;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-void);
  border: 1px solid var(--color-cyan-glow);
  color: var(--color-cyan-glow);
  font-family: var(--font-mono);
  font-size: var(--text-mono-label-size);
  letter-spacing: var(--tracking-mono-label);
  text-transform: uppercase;
  clip-path: var(--clip-corner-sm);
  transition: top var(--transition-medium);
}

.skip-link:focus {
  top: var(--space-md);
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

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

@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;
  }
}

@media (min-width: 40rem) {
  .container,
  .container-wide {
    padding-inline: var(--container-pad-tablet);
  }
}

@media (min-width: 64rem) {
  .container,
  .container-wide {
    padding-inline: var(--container-pad-desktop);
  }

  .section-gap {
    margin-block-end: var(--section-gap-desktop);
  }
}