/* =============================================
   Variables
   ============================================= */
:root {
  /* Color palette - light, clean, purple / pink accents */
  --color-bg: #f8fafc; /* main page background */
  --color-surface: #ffffff; /* cards, sections */
  --color-surface-muted: #f1f5f9; /* soft gray blocks */

  --color-text: #111827; /* dark navy/graphite */
  --color-text-muted: #6b7280;
  --color-border-subtle: #e5e7eb;
  --color-border-strong: #cbd5f5;

  --color-primary: #5b21b6; /* deep elegant purple */
  --color-primary-soft: #ede9fe;
  --color-primary-strong: #4c1d95;

  --color-accent: #ec4899; /* pink CTA */
  --color-accent-soft: #fdf2ff;

  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --color-danger: #dc2626;

  --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: #1f2937;
  --gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-heading: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", 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: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (px) */
  --space-0: 0px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  /* Shadows - subtle, premium */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 30px rgba(15, 23, 42, 0.12);

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

  /* Layout */
  --container-max-width: 1120px;
  --header-height: 72px;
}

/* =============================================
   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, ol {
  margin: 0;
  padding: 0;
}

/* Project note: navigation and lists are styled manually.
   Required consistency rule for this project: */
ul {
  list-style: none !important;
}

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

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

img {
  height: auto;
}

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

/* Remove default link underline; controlled in base styles */
a {
  text-decoration: none;
  color: inherit;
}

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

main {
  min-height: calc(100vh - var(--header-height));
}

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

h1 {
  font-size: var(--font-size-4xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
}

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

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

strong {
  font-weight: 600;
}

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

a {
  color: var(--color-primary);
  transition: color var(--transition-normal);
}

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

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

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* =============================================
   Layout Utilities
   ============================================= */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

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

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

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

.section-heading__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-primary-soft), var(--color-accent-soft));
  color: var(--gray-700);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-heading__title {
  margin-top: var(--space-3);
}

.section-heading__subtitle {
  margin-top: var(--space-2);
  max-width: 640px;
}

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

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

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

.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;
}

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

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

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

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

.gap-8 {
  gap: var(--space-8);
}

/* 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: 900px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Spacing utilities (selected, not exhaustive) */
.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

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

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

/* Visibility utility - 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, Inputs, Cards
   ============================================= */
.button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background-color: var(--color-primary);
  color: #ffffff;
  cursor: pointer;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.button--accent,
.btn--accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  border-color: transparent;
}

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

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

.button--accent:hover,
.btn--accent:hover {
  filter: brightness(1.03);
}

.button--ghost:hover,
.btn--ghost:hover {
  background-color: var(--color-primary-soft);
}

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

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

/* Form controls */
input,
select,
textarea {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-300);
  background-color: #ffffff;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal);
}

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

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft), 0 0 0 3px rgba(129, 140, 248, 0.35);
}

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

label {
  display: inline-block;
  margin-bottom: 4px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
}

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

.form-field__hint {
  margin-top: 4px;
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.form-field__error {
  margin-top: 4px;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card component - used for event/service cards, FAQ blocks, etc. */
.card {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: var(--space-6);
  box-shadow: var(--shadow-xs);
  transition:
    box-shadow var(--transition-normal),
    transform var(--transition-normal),
    border-color var(--transition-normal),
    background-color var(--transition-normal);
}

.card--muted {
  background: radial-gradient(circle at top left, rgba(94, 92, 255, 0.04), transparent 55%),
              radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.05), transparent 55%),
              var(--color-surface);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(129, 140, 248, 0.7);
  transform: translateY(-2px);
}

.card__eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  margin-bottom: var(--space-2);
}

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

.card__meta {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Thin structured divider - for navigation, sections, etc. */
.divider-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.6), transparent);
}

/* =============================================
   Hero & Overlay Helpers (for Karlovex)
   ============================================= */
.hero {
  position: relative;
  min-height: clamp(480px, 80vh, 720px);
  display: flex;
  align-items: center;
  color: #ffffff;
}

.hero__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__media img,
.hero__media picture {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.35)),
    radial-gradient(circle at top left, rgba(129, 140, 248, 0.55), transparent 60%),
    radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.5), transparent 65%);
  mix-blend-mode: multiply;
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
  padding-block: clamp(var(--space-12), 12vh, var(--space-20));
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.hero-label {
  padding: 2px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(209, 213, 219, 0.5);
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(10px);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero__title {
  max-width: 640px;
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #d1d5db;
}

.hero__subtitle {
  max-width: 540px;
  margin-top: var(--space-4);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-lg);
  color: rgba(249, 250, 251, 0.9);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (max-width: 768px) {
  .hero {
    text-align: left;
  }

  .hero__actions {
    justify-content: flex-start;
  }
}

/* =============================================
   Header / Navigation helpers
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  padding-block: 4px;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

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

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

/* Mobile nav toggle - note project requirement: flex-direction: column */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.8);
  background-color: #ffffff;
  align-items: center;
  justify-content: center;
  flex-direction: column; /* required by spec */
  gap: 5px;
}

.nav-toggle__bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

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

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

/* =============================================
   FAQ / Accordion helpers
   ============================================= */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface);
  padding: var(--space-4);
}

.faq-item__question {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-800);
}

.faq-item__answer {
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* =============================================
   Footer helpers
   ============================================= */
.site-footer {
  border-top: 1px solid var(--color-border-subtle);
  background-color: #ffffff;
  padding-block: var(--space-8);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  justify-content: space-between;
  align-items: flex-start;
}

.site-footer__meta {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
}

/* =============================================
   Responsive adjustments
   ============================================= */
@media (max-width: 640px) {
  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  .section {
    padding-block: var(--space-8);
  }

  .card {
    padding: var(--space-4);
  }
}

/* Age restriction modal styles */

.age-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
}

.age-modal__backdrop {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(129, 140, 248, 0.6), transparent 55%),
              radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.6), transparent 60%),
              rgba(15, 23, 42, 0.92);
}

.age-modal__content {
  position: relative;
  z-index: 1;
  width: min(480px, 100% - 32px);
  background-color: #f9fafb;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  border: 1px solid rgba(129, 140, 248, 0.6);
}

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

.age-modal__eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray-500);
  margin-bottom: var(--space-2);
}

.age-modal__title {
  font-size: var(--font-size-2xl);
  color: var(--gray-900);
}

.age-modal__description {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

.age-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.age-modal__btn {
  flex: 1 1 auto;
  justify-content: center;
}

@media (max-width: 480px) {
  .age-modal__content {
    padding: var(--space-5);
  }

  .age-modal__title {
    font-size: var(--font-size-xl);
  }
}

/* Utility class so body can be locked while modal is active (set in JS) */
body.age-modal--locked {
  overflow: hidden;
}