/* =========================================================
   Variables
   ========================================================= */
:root {
  /* Colors - Dark Premium Nightlife Palette */
  --color-bg-primary: #0A0E14;       /* deep midnight black */
  --color-bg-secondary: #151B24;     /* dark slate gray */
  --color-bg-card: #1C232E;          /* charcoal card background */

  --color-text: #F5EFE6;             /* warm ivory primary text */
  --color-text-muted: #B7AFA4;       /* softer ivory for secondary text */
  --color-heading: #D4AF37;          /* electric gold headings */

  --color-primary: #FFB020;          /* neon amber CTAs */
  --color-primary-hover: #C77700;    /* darker orange hover */
  --color-accent: #2EC4B6;           /* cool cyan highlights */
  --color-accent-soft: #6F5BFF;      /* soft violet nightlife energy */

  --color-success: #2ecc71;
  --color-warning: #f1c40f;
  --color-danger: #e74c3c;

  --color-border-subtle: #262F3D;    /* subtle card & divider border */
  --color-overlay: rgba(4, 7, 12, 0.85);

  /* Neutral grays */
  --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", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: "Poppins", "Inter", 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-md: 1.0625rem; /* 17px, slightly larger body for premium feel */
  --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;
  --line-height-relaxed: 1.75;

  /* 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-7: 1.75rem;  /* 28px */
  --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-xl: 18px;
  --radius-full: 999px;

  /* Shadows - cinematic, soft gradients for nightlife feel */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-strong: 0 18px 45px rgba(0, 0, 0, 0.65);
  --shadow-glow-amber: 0 0 24px rgba(255, 176, 32, 0.35);
  --shadow-glow-cyan: 0 0 26px rgba(46, 196, 182, 0.35);

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

  /* Layout */
  --container-max-width: 1120px;
  --container-padding-x: 1.5rem;
}

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-normal: 0ms;
    --transition-slow: 0ms;
  }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

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

body {
  margin: 0;
}

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

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

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

img {
  height: auto;
}

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

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

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

table {
  border-collapse: collapse;
  border-spacing: 0;
}

body,
html {
  min-height: 100%;
}

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

main {
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-heading);
  line-height: var(--line-height-tight);
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(2.4rem, 3vw + 1rem, 3.4rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.9rem, 2vw + 0.9rem, 2.5rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.6rem;
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.3rem;
  margin-bottom: var(--space-2);
}

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

p.is-muted,
.small-copy,
.text-muted {
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
}

code {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
}

::selection {
  background-color: rgba(255, 176, 32, 0.25);
  color: var(--color-text);
}

/* Links - subtle glow underline on hover */
a {
  position: relative;
  cursor: pointer;
  transition: color var(--transition-fast),
              text-shadow var(--transition-fast);
}

a:hover {
  color: var(--color-primary);
  text-shadow: 0 0 18px rgba(255, 176, 32, 0.45);
}

a.link-underline {
  text-decoration: none;
}

a.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.12em;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-soft));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

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

/* =========================================================
   Accessibility & Focus
   ========================================================= */
:focus {
  outline: none;
}

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

[data-focus-ring="dark"]:focus-visible {
  outline-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(10, 14, 20, 0.9), 0 0 0 4px rgba(255, 176, 32, 0.85);
}

/* 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;
}

.sr-only-focusable:active,
.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* =========================================================
   Layout & Utilities
   ========================================================= */
.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-16);
  padding-bottom: var(--space-16);
}

.section--alt {
  background: radial-gradient(circle at top left, rgba(111, 91, 255, 0.25), transparent 55%),
              radial-gradient(circle at bottom right, rgba(46, 196, 182, 0.2), transparent 45%),
              var(--color-bg-secondary);
}

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

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.section__eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent-soft), var(--color-primary));
  opacity: 0.8;
}

/* 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-column {
  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); }
.gap-xl { gap: var(--space-8); }

/* Grid helpers */
.grid {
  display: grid;
  gap: var(--space-6);
}

.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: 900px) {
  .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; }

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-left { text-align: left !important; }

.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-lg { font-size: var(--font-size-lg); }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(212, 175, 55, 0.55);
  background: radial-gradient(circle at top left, rgba(111, 91, 255, 0.32), transparent 55%),
              rgba(21, 27, 36, 0.9);
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

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

/* Buttons */
.button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color var(--transition-normal),
              color var(--transition-normal),
              box-shadow var(--transition-normal),
              transform var(--transition-fast),
              border-color var(--transition-normal);
}

.button--primary,
.btn--primary {
  background: radial-gradient(circle at 0% 0%, rgba(111, 91, 255, 0.55), transparent 55%),
              linear-gradient(120deg, #FFB020, #C77700);
  color: #140A02;
  box-shadow: var(--shadow-soft), var(--shadow-glow-amber);
}

.button--primary:hover,
.btn--primary:hover {
  background: linear-gradient(120deg, var(--color-primary-hover), #9F5A00);
  transform: translateY(-1px);
  box-shadow: var(--shadow-strong), var(--shadow-glow-amber);
}

.button--primary:active,
.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-soft);
}

.button--ghost,
.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: rgba(255, 176, 32, 0.5);
}

.button--ghost:hover,
.btn--ghost:hover {
  background: rgba(255, 176, 32, 0.1);
  box-shadow: 0 0 0 1px rgba(255, 176, 32, 0.4);
}

.button--subtle,
.btn--subtle {
  background: rgba(21, 27, 36, 0.95);
  color: var(--color-text);
  border-color: rgba(38, 47, 61, 0.8);
}

.button--subtle:hover,
.btn--subtle:hover {
  background: rgba(28, 35, 46, 1);
  border-color: rgba(212, 175, 55, 0.4);
}

.button[disabled],
.btn[disabled],
.button--disabled,
.btn--disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.button--icon {
  padding-inline: 1.1rem;
}

/* Inputs & form controls */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(54, 64, 81, 0.95);
  background-color: rgba(15, 18, 26, 0.9);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              background-color var(--transition-fast);
}

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);
  box-shadow: 0 0 0 1px rgba(46, 196, 182, 0.65), 0 0 24px rgba(46, 196, 182, 0.3);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

label {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

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

.form-row--inline {
  display: flex;
  gap: var(--space-4);
}

@media (max-width: 700px) {
  .form-row--inline {
    flex-direction: column;
  }
}

/* Cards - event experiences, services, testimonials */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, rgba(111, 91, 255, 0.45), transparent 55%),
              radial-gradient(circle at bottom right, rgba(46, 196, 182, 0.35), transparent 45%),
              var(--color-bg-card);
  border: 1px solid rgba(65, 80, 102, 0.9);
  box-shadow: var(--shadow-soft);
  padding: var(--space-6);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top center, rgba(212, 175, 55, 0.12), transparent 50%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

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

.card--elevated {
  box-shadow: var(--shadow-strong);
}

.card__media {
  border-radius: calc(var(--radius-lg) - 2px);
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 700ms ease-out, filter 700ms ease-out;
}

.card:hover .card__media img {
  transform: scale(1.06);
  filter: saturate(1.15);
}

.card__eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.card__title {
  margin-bottom: var(--space-2);
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.card__actions {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Hero overlay utility for cinematic backgrounds */
.hero-overlay {
  position: relative;
  isolation: isolate;
}

.hero-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to bottom, rgba(4, 7, 12, 0.85) 0%, rgba(4, 7, 12, 0.98) 55%, rgba(10, 14, 20, 1) 100%),
    radial-gradient(circle at top left, rgba(111, 91, 255, 0.45), transparent 55%),
    radial-gradient(circle at bottom right, rgba(46, 196, 182, 0.5), transparent 45%);
}

.hero-overlay--centered {
  min-height: 70vh;
  display: flex;
  align-items: center;
}

/* Tagline / subheading styling for Polish marketing copy */
.tagline {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-snug);
  color: var(--color-text);
}

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

/* Status / feedback messages */
.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

.alert--success {
  background-color: rgba(46, 204, 113, 0.12);
  color: #baf7d2;
  border: 1px solid rgba(46, 204, 113, 0.5);
}

.alert--warning {
  background-color: rgba(241, 196, 15, 0.12);
  color: #f8e6aa;
  border: 1px solid rgba(241, 196, 15, 0.5);
}

.alert--danger {
  background-color: rgba(231, 76, 60, 0.12);
  color: #f7c4bd;
  border: 1px solid rgba(231, 76, 60, 0.5);
}

/* Navigation shell (basic) */
.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(10, 14, 20, 0.9), rgba(10, 14, 20, 0.6));
  border-bottom: 1px solid rgba(38, 47, 61, 0.9);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  font-size: var(--font-size-sm);
}

.navbar__link {
  position: relative;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
}

.navbar__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.6rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-soft), var(--color-primary));
  transition: width var(--transition-normal);
}

.navbar__link:hover,
.navbar__link--active {
  color: var(--color-text);
}

.navbar__link:hover::after,
.navbar__link--active::after {
  width: 100%;
}

@media (max-width: 900px) {
  .navbar__links {
    display: none;
  }
}

/* Simple fade-up animation utility for scroll-based reveal
   (can be controlled by IntersectionObserver in JS) */
.fade-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease-out, transform 600ms ease-out;
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}