/* ========================================================================
   Variables
   ======================================================================== */
:root {
  /* Colors */
  --color-bg: #050816; /* deep club background */
  --color-surface: #0f172a;
  --color-surface-soft: #111827;
  --color-text: #e5e7eb;
  --color-text-muted: #9ca3af;
  --color-primary: #f97316; /* vibrant orange accent */
  --color-primary-soft: rgba(249, 115, 22, 0.15);
  --color-success: #22c55e;
  --color-warning: #eab308;
  --color-danger: #ef4444;

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

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
  --font-display: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 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 */

  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* 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: 0.25rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-soft: 0 10px 25px rgba(15, 23, 42, 0.55);
  --shadow-strong: 0 22px 45px rgba(15, 23, 42, 0.85);
  --shadow-glow-primary: 0 0 25px rgba(249, 115, 22, 0.65);

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

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

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none !important; /* per project requirement */
}

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

img {
  height: auto;
}

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

button {
  border: none;
  background: none;
  padding: 0;
}

textarea {
  resize: vertical;
}

[hidden] {
  display: none !important;
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ========================================================================
   Base
   ======================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  background: radial-gradient(circle at top, #111827 0, #020617 40%, #000 100%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

main {
  min-height: 60vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: #f9fafb;
  line-height: var(--line-height-tight);
}

h1 {
  font-size: clamp(2.4rem, 3vw + 1.6rem, 3.4rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(2rem, 2.3vw + 1.2rem, 2.6rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.5rem, 1.4vw + 1.1rem, 2rem);
  margin-bottom: var(--space-3);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

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

strong {
  font-weight: 600;
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-base),
              text-shadow var(--transition-base),
              opacity var(--transition-fast);
}

a:hover {
  color: #fff !important; /* per project requirement */
  text-shadow: 0 0 18px rgba(249, 115, 22, 0.9);
}

a:active {
  opacity: 0.85;
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Lists inside content (if custom bullets are needed, define per component) */

/* ========================================================================
   Utilities
   ======================================================================== */
.container {
  width: 100%;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

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

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

.inline-flex {
  display: inline-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;
}

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

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

/* 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: 1fr;
  }
}

/* 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;
}

/* Alignment / layout */
.text-center {
  text-align: center;
}

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

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

.py-section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

@media (max-width: 768px) {
  .py-section {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }
}

/* ========================================================================
   Components
   ======================================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base),
              transform var(--transition-fast);
}

.btn-primary {
  background: radial-gradient(circle at top left, #fb923c, #ea580c);
  color: #0b1120;
  box-shadow: var(--shadow-glow-primary);
}

.btn-primary:hover {
  background: radial-gradient(circle at top left, #fed7aa, #f97316);
  color: #020617 !important;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.5);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: #fff !important;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* Form controls */
.input,
select,
textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.55);
  background-color: rgba(15, 23, 42, 0.85);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base);
}

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

.input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(249, 115, 22, 0.45);
  background-color: rgba(15, 23, 42, 0.97);
}

.input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

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

/* Card - used for bingo nights, events, club zones, etc. */
.card {
  position: relative;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, rgba(249, 115, 22, 0.09), rgba(15, 23, 42, 0.98));
  border: 1px solid rgba(148, 163, 184, 0.28);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base),
              background var(--transition-slow);
}

.card::before {
  content: "";
  position: absolute;
  inset: -40%;
  opacity: 0;
  background: radial-gradient(circle at top, rgba(249, 115, 22, 0.65), transparent 60%);
  transform: translateY(40%);
  transition: opacity var(--transition-base), transform var(--transition-base);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
  border-color: rgba(249, 115, 22, 0.6);
}

.card:hover::before {
  opacity: 0.5;
  transform: translateY(0);
}

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

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

.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);
}

/* Tag / pill for event labels (e.g., "Wieczór Bingo", "Strefa Gier") */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.badge-primary {
  border-color: rgba(249, 115, 22, 0.7);
  background-color: rgba(249, 115, 22, 0.12);
  color: #fed7aa;
}

/* Simple chip for categories (e.g., "Bingo tematyczne", "Spotkania klubowe") */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background-color: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.4);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Hero-like highlight text for Polish CTAs */
.highlight-text {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  color: var(--color-primary);
}

/* Footer basic */
.site-footer {
  border-top: 1px solid rgba(31, 41, 55, 0.9);
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.site-footer a {
  color: var(--color-text-muted);
}

.site-footer a:hover {
  color: #fff !important;
}