/* =====================================================================
   Variables
   ===================================================================== */
:root {
  /* Color Palette - Retro Neon Arcade */
  --color-bg: #050510; /* Deep arcade black */
  --color-bg-elevated: #0b0b1a;
  --color-bg-alt: #111122;
  --color-text: #f5f7ff;
  --color-text-muted: #a4a8c2;

  --color-primary: #ff7a1a; /* Vibrant orange */
  --color-primary-soft: rgba(255, 122, 26, 0.16);

  --color-accent-blue: #30c0ff;
  --color-accent-purple: #a95fff;
  --color-accent-pink: #ff4fa3;

  --color-success: #4cd964;
  --color-warning: #ffcc00;
  --color-danger: #ff3b30;

  --color-border-subtle: rgba(255, 255, 255, 0.06);
  --color-border-strong: rgba(255, 255, 255, 0.16);

  --color-neutral-50: #f9fafb;
  --color-neutral-100: #f3f4f6;
  --color-neutral-200: #e5e7eb;
  --color-neutral-300: #d1d5db;
  --color-neutral-400: #9ca3af;
  --color-neutral-500: #6b7280;
  --color-neutral-600: #4b5563;
  --color-neutral-700: #374151;
  --color-neutral-800: #1f2933;
  --color-neutral-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-display: "Press Start 2P", "Orbitron", system-ui, sans-serif;

  --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: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.125rem; /* 2px */
  --space-2: 0.25rem;  /* 4px */
  --space-3: 0.375rem; /* 6px */
  --space-4: 0.5rem;   /* 8px */
  --space-5: 0.625rem; /* 10px */
  --space-6: 0.75rem;  /* 12px */
  --space-8: 1rem;     /* 16px */
  --space-10: 1.25rem; /* 20px */
  --space-12: 1.5rem;  /* 24px */
  --space-16: 2rem;    /* 32px */
  --space-20: 2.5rem;  /* 40px */
  --space-24: 3rem;    /* 48px */
  --space-32: 4rem;    /* 64px */
  --space-40: 5rem;    /* 80px */
  --space-48: 6rem;    /* 96px */

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-pill: 999px;

  /* Shadows - neon / glow */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-strong: 0 18px 45px rgba(0, 0, 0, 0.7);
  --shadow-neon-orange: 0 0 18px rgba(255, 122, 26, 0.7);
  --shadow-neon-blue: 0 0 22px rgba(48, 192, 255, 0.8);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 320ms ease;
}

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

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

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

body {
  min-height: 100vh;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  max-width: 100%;
  height: auto;
}

img {
  display: block;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

textarea {
  resize: vertical;
}

/* Remove built‑in button styles where possible */
button {
  border: 0;
  background: none;
  padding: 0;
}

/* =====================================================================
   Base Styles
   ===================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  background: radial-gradient(circle at top, #181830 0, var(--color-bg) 55%, #000 100%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  min-height: 60vh;
}

/* Headings with arcade flavor - display font & scale */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

h1 {
  font-size: clamp(2.25rem, 4vw, 3rem);
  line-height: var(--line-height-tight);
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  line-height: var(--line-height-snug);
}

h3 {
  font-size: clamp(1.4rem, 2.4vw, 1.75rem);
}

h4 {
  font-size: 1.2rem;
}

h5 {
  font-size: 1rem;
}

h6 {
  font-size: 0.875rem;
}

p {
  margin-bottom: var(--space-8);
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
  color: var(--color-text);
}

/* Links - subtle neon hover */
a {
  position: relative;
  transition: color var(--transition-base);
}

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

a.arcade-link {
  color: var(--color-primary);
}

a.arcade-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15em;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-purple));
  opacity: 0;
  transform: scaleX(0.2);
  transform-origin: left;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

a.arcade-link:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

/* Lists */
ul[class],
ol[class] {
  list-style: none;
}

/* =====================================================================
   Accessibility & Motion
   ===================================================================== */
:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 3px;
}

@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;
  }
}

/* =====================================================================
   Layout Utilities
   ===================================================================== */
.container {
  width: 100%;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}

@media (min-width: 1200px) {
  .container {
    max-width: 1200px;
  }
}

.section {
  padding-top: var(--space-32);
  padding-bottom: var(--space-32);
}

.section--tight {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

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

.inline-flex {
  display: inline-flex;
}

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

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

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

.items-center {
  align-items: center;
}

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

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

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

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

.gap-md {
  gap: var(--space-10);
}

.gap-lg {
  gap: var(--space-16);
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-16);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-16);
}

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

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-8); }
.mt-md { margin-top: var(--space-16); }
.mt-lg { margin-top: var(--space-24); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-8); }
.mb-md { margin-bottom: var(--space-16); }
.mb-lg { margin-bottom: var(--space-24); }

.py-section {
  padding-top: var(--space-32);
  padding-bottom: var(--space-32);
}

/* 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;
}

/* =====================================================================
   Components - Buttons
   ===================================================================== */
.btn {
  --btn-bg: var(--color-primary);
  --btn-color: #050510;
  --btn-bg-hover: #ff973f;
  --btn-shadow: var(--shadow-neon-orange);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.24), transparent 55%),
    linear-gradient(135deg, var(--btn-bg), #ff4fa3);
  color: var(--btn-color);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  cursor: pointer;
  box-shadow: var(--btn-shadow);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-base),
    opacity var(--transition-fast);
}

.btn:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: var(--shadow-neon-orange), 0 0 24px rgba(255, 74, 0, 0.7);
}

.btn:active {
  transform: translateY(0) scale(0.99);
  box-shadow: var(--shadow-soft);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.btn--secondary {
  --btn-bg: #151530;
  --btn-bg-hover: #23234a;
  --btn-color: var(--color-text);
  --btn-shadow: var(--shadow-soft);
  background: linear-gradient(135deg, #151530, #242454);
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text);
  box-shadow: none;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.05);
}

.btn--full {
  width: 100%;
}

/* =====================================================================
   Components - Form Controls
   ===================================================================== */
.input,
.select,
.textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: rgba(10, 10, 30, 0.95);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background var(--transition-base);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-muted);
}

.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  outline: none;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 1px var(--color-accent-blue), 0 0 24px rgba(48, 192, 255, 0.35);
}

.textarea {
  min-height: 120px;
}

.input--error,
.textarea--error {
  border-color: var(--color-danger);
}

.input--success,
.textarea--success {
  border-color: var(--color-success);
}

.label {
  display: block;
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.helper-text {
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.helper-text--error {
  color: var(--color-danger);
}

/* =====================================================================
   Components - Card (for machines, events, zones)
   ===================================================================== */
.card {
  position: relative;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.06), transparent 55%),
    linear-gradient(145deg, rgba(15, 15, 40, 0.98), rgba(5, 5, 20, 0.98));
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-strong);
  padding: var(--space-16);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    rgba(255, 122, 26, 0.12),
    rgba(48, 192, 255, 0.12),
    rgba(169, 95, 255, 0.12)
  );
  mix-blend-mode: soft-light;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

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

.card--interactive {
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card--interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
  border-color: rgba(255, 122, 26, 0.7);
}

.card__heading {
  margin-bottom: var(--space-6);
}

.card__meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.card__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  background: rgba(48, 192, 255, 0.1);
  border: 1px solid rgba(48, 192, 255, 0.5);
  color: var(--color-accent-blue);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* =====================================================================
   Misc / Theme Helpers for Orangecirclehub
   ===================================================================== */
.badge-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(10, 10, 30, 0.9);
}

.badge-pill--orange {
  border-color: rgba(255, 122, 26, 0.8);
  color: var(--color-primary);
}

.badge-pill--blue {
  border-color: rgba(48, 192, 255, 0.8);
  color: var(--color-accent-blue);
}

.arcade-glow-orange {
  box-shadow: var(--shadow-neon-orange);
}

.arcade-glow-blue {
  box-shadow: var(--shadow-neon-blue);
}

.arcade-gradient-text {
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-pink), var(--color-accent-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-bg-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: center;
  opacity: 0.18;
}

/* =====================================================================
   End of base.css
   ===================================================================== */