/* ========================================================================
   Variables
   ======================================================================== */

:root {
  /* Colors */
  --color-bg: #050509; /* deep, almost-black nightlife background */
  --color-bg-elevated: #0c0c14;
  --color-bg-soft: #151525;

  --color-text: #f4f4f7;
  --color-text-muted: #b1b1c4;

  --color-primary: #d4a848; /* warm gold */
  --color-primary-soft: rgba(212, 168, 72, 0.16);
  --color-primary-strong: #f7c757;

  --color-accent-burgundy: #7b1535;
  --color-accent-navy: #111a3a;

  --color-success: #2fbf71;
  --color-warning: #f4b63d;
  --color-danger: #e55353;

  --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;

  --border-subtle: rgba(255, 255, 255, 0.08);

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "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 */
  --font-size-5xl: 3rem;     /* 48px */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.6;

  /* 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: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 999px;

  /* Shadows (luxurious, soft glows) */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-strong: 0 18px 45px rgba(0, 0, 0, 0.7);
  --shadow-gold-glow: 0 0 0 1px rgba(212, 168, 72, 0.35), 0 12px 30px rgba(0, 0, 0, 0.7);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 220ms ease-out;
  --transition-slow: 320ms ease-out;

  /* Layout */
  --container-max-width: 1200px;
  --container-padding-x: 1.25rem;

  /* Focus outline */
  --focus-ring-color: rgba(247, 199, 87, 0.9);
  --focus-ring-width: 2px;
  --focus-ring-offset: 2px;
}

/* ========================================================================
   Reset / Normalize
   ======================================================================== */

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

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

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

body {
  min-height: 100vh;
}

ul[role="list"],
 ol[role="list"] {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

input,
 button,
 textarea,
 select {
  font: inherit;
}

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

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

/* Remove animations/transitions for users that prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ========================================================================
   Base Styles
   ======================================================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1 {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.875rem, 3vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 2.3vw, 2rem);
}

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

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

h6 {
  font-size: var(--font-size-base);
}

p {
  margin-top: 0;
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

strong,
 b {
  font-weight: 600;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base), opacity var(--transition-base);
}

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

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

hr {
  border: 0;
  border-top: 1px solid var(--border-subtle);
  margin: var(--space-8) 0;
}

/* ========================================================================
   Utilities
   ======================================================================== */

/* Layout: Container */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

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

.section--dark {
  background: radial-gradient(circle at top, rgba(247, 199, 87, 0.06), transparent 55%),
    radial-gradient(circle at bottom, rgba(123, 21, 53, 0.38), transparent 60%),
    var(--color-bg);
}

.section--elevated {
  background: linear-gradient(145deg, #050509, #101021 55%, #1b1224 100%);
}

/* Flex utilities */

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

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

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

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

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

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

/* Grid utilities */

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

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

/* Alignment & text */

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

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

.text-uppercase {
  text-transform: uppercase;
}

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

/* Spacing utilities (margin + padding y only for brevity) */

.my-0 {
  margin-top: 0;
  margin-bottom: 0;
}

.my-4 {
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
}

.my-8 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.py-4 {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

/* 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 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.btn-primary {
  background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.16), transparent 55%),
    linear-gradient(135deg, #f7c757, #d4a848 55%, #b2832a 100%);
  color: #1b1105;
  box-shadow: var(--shadow-gold-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.9);
  background: linear-gradient(135deg, #ffe08e, #f7c757 40%, #d4a848 100%);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary-strong);
  border-color: rgba(247, 199, 87, 0.7);
  box-shadow: 0 0 0 1px rgba(247, 199, 87, 0.25);
}

.btn-outline:hover {
  background: rgba(247, 199, 87, 0.09);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  border-radius: var(--radius-pill);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn:disabled,
 .btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

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

/* Inputs & forms */

.input,
 textarea,
 select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background-color: rgba(10, 10, 20, 0.96);
  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: rgba(177, 177, 196, 0.65);
}

.input:focus,
 textarea:focus,
 select:focus {
  outline: none;
  border-color: rgba(247, 199, 87, 0.8);
  box-shadow: 0 0 0 1px rgba(247, 199, 87, 0.8), 0 0 0 4px rgba(247, 199, 87, 0.18);
  background-color: rgba(13, 13, 26, 1);
}

.input[aria-invalid="true"],
 .input--error {
  border-color: rgba(229, 83, 83, 0.9);
}

label {
  display: inline-block;
  margin-bottom: 0.4rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.form-field {
  margin-bottom: var(--space-4);
}

.form-hint {
  margin-top: 0.35rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  margin-top: 0.35rem;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Cards */

.card {
  background: radial-gradient(circle at top left, rgba(247, 199, 87, 0.1), transparent 55%),
    radial-gradient(circle at bottom right, rgba(123, 21, 53, 0.45), transparent 60%),
    linear-gradient(145deg, rgba(15, 15, 30, 0.96), rgba(8, 8, 18, 0.98));
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
}

.card--subtle {
  background: linear-gradient(145deg, #0b0b16, #141428);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.card-header {
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: 0.35rem;
}

.card-meta {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(244, 244, 247, 0.7);
}

/* Image treatments for nightlife / casino visuals */

.image-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-strong);
}

.image-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 0, rgba(247, 199, 87, 0.3), transparent 55%),
    radial-gradient(circle at 90% 100%, rgba(123, 21, 53, 0.65), transparent 55%);
  mix-blend-mode: soft-light;
  pointer-events: none;
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Pills / tags for event types (e.g. "Wieczór pokerowy", "Ruletka eventowa") */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid rgba(247, 199, 87, 0.5);
  color: var(--color-primary-strong);
  background: rgba(10, 10, 20, 0.9);
}

.tag--accent {
  border-color: rgba(123, 21, 53, 0.8);
  color: #ffdbe8;
  background: rgba(123, 21, 53, 0.35);
}

/* Hero overlay / gradient utility for dark premium sections */

.hero-overlay {
  position: relative;
  z-index: 0;
}

.hero-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(247, 199, 87, 0.22), transparent 55%),
    radial-gradient(circle at bottom right, rgba(14, 64, 122, 0.5), transparent 60%);
  opacity: 0.9;
  pointer-events: none;
  z-index: -1;
}

/* ========================================================================
   Accessibility & Focus
   ======================================================================== */

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

[role="button"]:focus-visible,
 [href]:focus-visible,
 input:focus-visible,
 button:focus-visible,
 textarea:focus-visible,
 select:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

/* ========================================================================
   Navigation (basic shell for conversion-focused header)
   ======================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 5, 9, 0.96), rgba(5, 5, 9, 0.78));
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
  list-style: none;
}

.nav-link {
  position: relative;
  color: var(--color-text-muted);
  padding: 0.25rem 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #f7c757, #7b1535);
  transform-origin: center;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav-link:hover {
  color: var(--color-text);
}

.nav-link:hover::after,
 .nav-link--active::after {
  transform: scaleX(1);
}

.nav-link--active {
  color: var(--color-primary-strong);
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* controlled by JS in actual implementation */
  }
}