/* ========================================================================
   Variables
   ======================================================================== */
:root {
  /* Color Palette - Neon, Cinematic, High Contrast */
  --color-bg: #05060a; /* near-black, subtle blue tint */
  --color-bg-elevated: #0b0d15;
  --color-bg-accent: #111325;

  --color-text: #f5f7ff;
  --color-text-muted: #8f9bb8;
  --color-text-soft: #ced4f0;

  --color-primary: #40e0ff; /* electric cyan */
  --color-primary-soft: rgba(64, 224, 255, 0.16);

  --color-success: #5cff8c; /* neon green */
  --color-warning: #ffb84d; /* ember orange */
  --color-danger: #ff335c; /* blood red */

  --color-cyan-glow: #3af2ff;
  --color-red-glow: #ff2747;
  --color-ember-glow: #ff8a3c;

  /* Neutral Grays (cool, for overlays/UI) */
  --gray-50: #090b12;
  --gray-100: #121420;
  --gray-200: #1b1e2c;
  --gray-300: #25293a;
  --gray-400: #31364a;
  --gray-500: #474d65;
  --gray-600: #636a82;
  --gray-700: #828aa3;
  --gray-800: #a9b1c8;
  --gray-900: #dadef0;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Inter", "Roboto", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Base font scale for cinematic, spacious feel */
  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-md: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */
  --font-size-5xl: 3rem;     /* 48px */

  --line-height-tight: 1.1;
  --line-height-snug: 1.3;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing Scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;

  /* Shadows - cinematic, glowy */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.65);
  --shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.85);
  --shadow-neon-cyan: 0 0 16px rgba(64, 224, 255, 0.7);
  --shadow-neon-red: 0 0 18px rgba(255, 51, 92, 0.7);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 200ms ease;
  --transition-slow: 320ms ease-in-out;

  /* Layout */
  --container-max-width: 1120px;
  --container-padding-x: var(--space-4);

  /* Focus ring */
  --focus-ring-color: var(--color-primary);
  --focus-ring-width: 2px;
  --focus-ring-offset: 2px;
}

/* ========================================================================
   Reset / Normalize
   ======================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
}

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

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

button {
  cursor: pointer;
}

button:disabled,
[aria-disabled="true"] {
  cursor: not-allowed;
}

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

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure {
  margin: 0;
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

/* Remove default focus outline so we can style focus-visible */
:focus {
  outline: none;
}

/* ========================================================================
   Base Styles
   ======================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  min-height: 100vh;
}

/* Cinematic heading hierarchy */
h1,
.h1 {
  font-size: clamp(var(--font-size-3xl), 3vw + 1rem, var(--font-size-5xl));
  line-height: var(--line-height-tight);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h2,
.h2 {
  font-size: clamp(var(--font-size-2xl), 2vw + 0.5rem, var(--font-size-4xl));
  line-height: var(--line-height-tight);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h3,
.h3 {
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-snug);
}

h4,
.h4 {
  font-size: var(--font-size-xl);
}

h5,
.h5 {
  font-size: var(--font-size-lg);
}

h6,
.h6 {
  font-size: var(--font-size-md);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  color: var(--color-text-soft);
  margin-bottom: var(--space-3);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

strong,
b {
  font-weight: 600;
}

small {
  font-size: var(--font-size-sm);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-normal), text-shadow var(--transition-normal);
}

a:hover {
  color: var(--color-cyan-glow);
  text-shadow: 0 0 10px rgba(64, 224, 255, 0.8);
}

a:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

code,
pre,
kbd {
  font-family: var(--font-mono);
}

pre {
  margin: 0;
}

hr {
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  margin: var(--space-6) 0;
}

/* ========================================================================
   Accessibility & Motion
   ======================================================================== */
:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

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

/* ========================================================================
   Utilities
   ======================================================================== */
/* Layout */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding-x);
}

.section {
  padding-block: var(--space-12);
}

.section--tight {
  padding-block: var(--space-8);
}

/* Flex helpers */
.flex {
  display: flex;
}

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

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

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

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

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

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

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

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

/* Grid helpers */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Spacing utilities (margin / padding) */
.mt-0 { margin-top: 0 !important; }
.mt-xs { margin-top: var(--space-2) !important; }
.mt-sm { margin-top: var(--space-3) !important; }
.mt-md { margin-top: var(--space-4) !important; }
.mt-lg { margin-top: var(--space-6) !important; }
.mt-xl { margin-top: var(--space-8) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-xs { margin-bottom: var(--space-2) !important; }
.mb-sm { margin-bottom: var(--space-3) !important; }
.mb-md { margin-bottom: var(--space-4) !important; }
.mb-lg { margin-bottom: var(--space-6) !important; }
.mb-xl { margin-bottom: var(--space-8) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-sm { padding-top: var(--space-3) !important; }
.pt-md { padding-top: var(--space-4) !important; }
.pt-lg { padding-top: var(--space-6) !important; }
.pt-xl { padding-top: var(--space-8) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-sm { padding-bottom: var(--space-3) !important; }
.pb-md { padding-bottom: var(--space-4) !important; }
.pb-lg { padding-bottom: var(--space-6) !important; }
.pb-xl { padding-bottom: var(--space-8) !important; }

/* Screen-reader only */
.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;
}

/* Quick alignment */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

/* ========================================================================
   Components
   ======================================================================== */
/* Buttons - neon, gamer-style */
.btn {
  --btn-bg: linear-gradient(135deg, rgba(13, 22, 40, 0.95), rgba(22, 32, 60, 0.98));
  --btn-border: rgba(64, 224, 255, 0.4);
  --btn-color: var(--color-text);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding-inline: var(--space-5);
  padding-block: calc(var(--space-2) + 2px);
  border-radius: var(--radius-full);
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-color);
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  position: relative;
  isolation: isolate;
  box-shadow: 0 0 0 1px rgba(64, 224, 255, 0.15), var(--shadow-soft);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at top left, rgba(64, 224, 255, 0.3), transparent 55%),
              radial-gradient(circle at bottom right, rgba(255, 51, 92, 0.35), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -1;
}

.btn:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow: var(--shadow-neon-cyan);
  border-color: rgba(64, 224, 255, 0.8);
}

.btn:hover::before {
  opacity: 1;
}

.btn:active {
  transform: translateY(0) scale(0.99);
  box-shadow: 0 0 0 1px rgba(64, 224, 255, 0.4);
}

.btn:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: 3px;
}

.btn--primary {
  --btn-bg: linear-gradient(135deg, #0b2330, #0f3442);
}

.btn--danger {
  --btn-bg: linear-gradient(135deg, #410015, #750018);
  --btn-border: rgba(255, 51, 92, 0.6);
}

.btn--ghost {
  --btn-bg: rgba(9, 10, 18, 0.5);
  --btn-border: rgba(255, 255, 255, 0.18);
}

.btn--sm {
  padding-inline: var(--space-3);
  padding-block: var(--space-1);
  font-size: var(--font-size-xs);
}

.btn--lg {
  padding-inline: var(--space-6);
  padding-block: var(--space-3);
  font-size: var(--font-size-md);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
}

/* Inputs - dark, glowy focus */
.input,
select,
textarea {
  width: 100%;
  padding-inline: var(--space-3);
  padding-block: var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background-color: rgba(5, 6, 10, 0.85);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.5);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal);
}

.input::placeholder,
textarea::placeholder {
  color: rgba(173, 181, 210, 0.6);
}

.input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(64, 224, 255, 0.7), 0 0 18px rgba(64, 224, 255, 0.4);
  background-color: rgba(8, 11, 20, 0.98);
}

.input[disabled],
select[disabled],
textarea[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

label {
  display: inline-block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
}

/* Cards - used for builds, guides, news, etc. */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background: radial-gradient(circle at top left, rgba(64, 224, 255, 0.08), transparent 55%),
              radial-gradient(circle at bottom right, rgba(255, 51, 92, 0.07), transparent 55%),
              linear-gradient(145deg, #05060a, #090b14);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at top center, rgba(64, 224, 255, 0.18), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.card:hover::before {
  opacity: 1;
}

.card__header {
  margin-bottom: var(--space-3);
}

.card__title {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-snug);
}

.card__meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.card__body {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card--accent-primary {
  border-color: rgba(64, 224, 255, 0.5);
  box-shadow: var(--shadow-neon-cyan);
}

.card--accent-danger {
  border-color: rgba(255, 51, 92, 0.5);
  box-shadow: var(--shadow-neon-red);
}

/* Tag / pill for quick metadata (e.g., difficulty, mode) */
.tag {
  display: inline-flex;
  align-items: center;
  padding-inline: var(--space-2);
  padding-block: 2px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 8, 14, 0.9);
  color: var(--color-text-soft);
}

.tag--primary {
  border-color: rgba(64, 224, 255, 0.7);
  color: var(--color-primary);
}

.tag--danger {
  border-color: rgba(255, 51, 92, 0.7);
  color: var(--color-danger);
}

/* Media wrapper - responsive iframes (trailers) */
.media-frame {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: #000;
  box-shadow: var(--shadow-strong);
}

.media-frame iframe,
.media-frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ========================================================================
   Theming Hooks for Sections (optional usage)
   ======================================================================== */
.section--hero {
  position: relative;
  color: var(--color-text);
  background: radial-gradient(circle at 20% 0%, rgba(64, 224, 255, 0.15), transparent 55%),
              radial-gradient(circle at 80% 100%, rgba(255, 51, 92, 0.18), transparent 55%),
              radial-gradient(circle at 0% 100%, rgba(255, 138, 60, 0.14), transparent 55%),
              #05060a;
}

.section--hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.12), transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.08), transparent 60%);
  opacity: 0.25;
}

.section--muted {
  background: radial-gradient(circle at top, rgba(17, 19, 37, 0.7), transparent 55%), #05060a;
}

/* ========================================================================
   End
   ======================================================================== */