/* ==========================================================================
   DJ Lounge Events Base Styles
   Modern nightlife & entertainment portal
   ========================================================================== */

/* ==========================================================================
   1. Root Variables (Colors, Typography, Spacing, Radius, Shadows, Motion)
   ========================================================================== */

:root {
  /* Color Palette - Nightlife & Premium */
  --color-bg: #050716; /* deep night background for dark sections */
  --color-surface: #ffffff; /* primary surface (cards, main content) */
  --color-surface-alt: #0d1022; /* dark surface for hero/featured sections */

  --color-text: #0e1020; /* main body text */
  --color-text-muted: #72758a; /* secondary text */
  --color-text-inverse: #f8f5ff; /* text on dark backgrounds */

  --color-primary: #3b82f6; /* electric blue */
  --color-primary-soft: rgba(59, 130, 246, 0.12);

  --color-accent-purple: #8b5cf6; /* neon purple */
  --color-accent-pink: #ec4899; /* club pink */
  --color-accent-gold: #fbbf24; /* warm gold accent */

  --color-success: #22c55e;
  --color-warning: #eab308;
  --color-danger: #ef4444;

  --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;

  /* Gradients - for hero, buttons, highlights */
  --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6 45%, #ec4899 75%, #fbbf24 100%);
  --gradient-hero: radial-gradient(circle at 0% 0%, rgba(236, 72, 153, 0.18) 0, transparent 45%),
    radial-gradient(circle at 100% 0%, rgba(59, 130, 246, 0.18) 0, transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(251, 191, 36, 0.16) 0, transparent 45%),
    #050716;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Text",
    "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: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing Scale (px) */
  --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-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Shadows - soft nightlife glow */
  --shadow-soft: 0 8px 20px rgba(15, 23, 42, 0.08);
  --shadow-medium: 0 18px 45px rgba(15, 23, 42, 0.18);
  --shadow-strong: 0 24px 80px rgba(15, 23, 42, 0.32);
  --shadow-glow-primary: 0 0 24px rgba(59, 130, 246, 0.65);

  /* Transitions & Motion */
  --transition-fast: 150ms ease-out;
  --transition-base: 220ms ease-out;
  --transition-slow: 320ms ease;
  --transition-bezier-soft: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-max-width: 1200px;
  --header-height: 64px;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0.01ms;
    --transition-base: 0.01ms;
    --transition-slow: 0.01ms;
  }
}

/* ==========================================================================
   2. Reset & Normalize
   ========================================================================== */

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

html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
li,
figure,
figcaption,
blockquote,
dl,
dd {
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
}

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

img {
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  border-radius: 0;
}

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

ul,
ol {
  list-style: none;
}

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

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

/* Remove default focus styles (we will re-add accessible styles) */
:focus {
  outline: none;
}

/* ==========================================================================
   3. Base Typography & Layout
   ========================================================================== */

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-neutral-50);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

/* Headings - modern display style for nightlife brand */

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, 3rem);
  letter-spacing: -0.03em;
  color: #fff;
}

h2 {
  font-size: clamp(1.875rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  color: #868bb1;
}

h3 {
  font-size: clamp(1.5rem, 2.4vw, 1.875rem);
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

p {
  margin-bottom: var(--space-4);
  color: #f381e0;
}

p:last-child {
  margin-bottom: 0;
}

strong {
  font-weight: 600;
}

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

/* Links - subtle but modern, underline on hover */

a {
  position: relative;
  cursor: pointer;
  transition: color var(--transition-fast) var(--transition-bezier-soft);
}

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

a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.12em;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-fast) var(--transition-bezier-soft);
}

a:not(.btn):hover::after {
  width: 100%;
}

/* ==========================================================================
   4. Accessibility & Focus States
   ========================================================================== */

:focus-visible {
  outline: 2px solid transparent;
  outline-offset: 2px;
}

/* High-contrast focus ring suitable for light and dark backgrounds */
:where(a, button, input, textarea, select, summary, [tabindex]):focus-visible {
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-accent-pink);
  border-radius: 999px;
}

/* Respect reduced motion */

@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;
  }
}

/* ==========================================================================
   5. Utilities (Layout, Flex, Grid, Visibility)
   ========================================================================== */

/* Container - central max-width layout */

.container {
  width: 100%;
  max-width: calc(var(--container-max-width) + 2 * var(--space-4));
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-6);
  }
}

/* Section spacing helpers */

.section {
  padding-block: var(--space-10);
}

.section--xl {
  padding-block: var(--space-16);
}

/* Flex utilities */

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

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

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

/* Grid utilities */

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

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

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

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

@media (min-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Text alignment */

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

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

/* 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;
}

/* Background helpers for nightlife sections */

.bg-dark {
  background: var(--color-bg);
  color: var(--color-text-inverse);
}

.bg-hero {
  background: var(--gradient-hero);
  color: var(--color-text-inverse);
}

.bg-surface {
  background: var(--color-surface);
}

/* Simple spacing margin utilities (y-axis only for content rhythm) */

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

.mt-6 {
  margin-top: var(--space-6);
}

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

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

/* ==========================================================================
   6. Components (Buttons, Inputs, Cards)
   ========================================================================== */

/* Buttons - primary CTA for event participation / inquiries */

.btn {
  --btn-bg: var(--color-primary);
  --btn-color: #ffffff;
  --btn-border: transparent;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-color);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--font-size-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background-color var(--transition-base) var(--transition-bezier-soft),
    color var(--transition-base) var(--transition-bezier-soft),
    box-shadow var(--transition-base) var(--transition-bezier-soft),
    transform var(--transition-fast) var(--transition-bezier-soft),
    border-color var(--transition-base) var(--transition-bezier-soft);
}

.btn-primary {
  --btn-bg: var(--gradient-primary);
  --btn-border: rgba(248, 250, 252, 0.2);
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-strong), var(--shadow-glow-primary);
}

.btn-outline {
  --btn-bg: transparent;

  --btn-border: rgba(148, 163, 184, 0.6);
  background: radial-gradient(circle at 0 0, rgba(148, 163, 184, 0.1), transparent 60%);
}

.btn-outline:hover {
  --btn-border: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-soft);
}

.btn-ghost {
  --btn-bg: rgba(15, 23, 42, 0.76);
  --btn-color: var(--color-text-inverse);
  --btn-border: rgba(148, 163, 184, 0.4);
  backdrop-filter: blur(18px);
}

.btn-ghost:hover {
  --btn-bg: rgba(15, 23, 42, 0.92);
}

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

/* Inputs & Textareas - consistent forms for Kapcsolat & event filters */

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-neutral-300);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition:
    border-color var(--transition-fast) var(--transition-bezier-soft),
    box-shadow var(--transition-fast) var(--transition-bezier-soft),
    background-color var(--transition-fast) var(--transition-bezier-soft),
    transform var(--transition-fast) var(--transition-bezier-soft);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-neutral-400);
}

.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft), 0 10px 25px rgba(15, 23, 42, 0.16);
}

.textarea {
  min-height: 140px;
  resize: vertical;
}

/* Card - for event items, venue blocks, info panels */

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.22);
  transition:
    box-shadow var(--transition-base) var(--transition-bezier-soft),
    transform var(--transition-base) var(--transition-bezier-soft),
    border-color var(--transition-base) var(--transition-bezier-soft),
    background var(--transition-base) var(--transition-bezier-soft);
}

.card--interactive {
  cursor: pointer;
}

.card--interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(96, 165, 250, 0.65);
}

/* Dark card variant for hero / highlight sections */

.card--night {
  background: radial-gradient(circle at top left, rgba(236, 72, 153, 0.16), transparent 55%),
    radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.18), transparent 55%),
    #050716;
  color: var(--color-text-inverse);
  border-color: rgba(148, 163, 184, 0.28);
}

.card--night h3,
.card--night h4,
.card--night p {
  color: var(--color-text-inverse);
}

/* Badge for event categories (DJ Események, Póker Estek, stb.) */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.02);
  color: var(--color-neutral-700);
}

.badge--primary {
  border-color: rgba(59, 130, 246, 0.8);
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-primary);
}

.badge--offline {
  border-color: rgba(22, 163, 74, 0.9);
  background: rgba(22, 163, 74, 0.08);
  color: var(--color-success);
}

/* Hero slider base wrapper (structure only; behavior handled in JS) */

.hero {
  position: relative;
  min-height: clamp(420px, 80vh, 640px);
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  color: var(--color-text-inverse);
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 10%, rgba(236, 72, 153, 0.12), transparent 55%),
    radial-gradient(circle at 90% 20%, rgba(59, 130, 246, 0.16), transparent 60%),
    radial-gradient(circle at 0% 100%, rgba(251, 191, 36, 0.12), transparent 60%);
}

.hero__slide-media {
  position: absolute;
  inset: 0;
  object-fit: cover;
  filter: saturate(1.1) contrast(1.05) brightness(0.72);
  mix-blend-mode: screen;
  opacity: 0.4;
}

/* Footer legal notice styling (mandatory offline disclaimer) */

.footer-legal {
  font-size: var(--font-size-xs);
  line-height: var(--line-height-relaxed);
  color: var(--color-neutral-400);
}

.footer-legal strong {
  color: var(--color-neutral-200);
}