/* ==================================================================
   City Night Guide HU - Base Styles
   ================================================================== */

/* ==================================================================
   1. CSS VARIABLES
   ================================================================== */
:root {
  /* Color palette */
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-surface-alt: #f7f8fb;
  --color-text: #161821;
  --color-text-muted: #6b7280;

  /* Brand / accent (bright, energetic) */
  --color-primary: #ff3366;
  --color-primary-soft: rgba(255, 51, 102, 0.12);
  --color-primary-strong: #e0004c;

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

  /* 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, "SF Pro Text", "Inter", "Roboto", "Segoe UI", sans-serif;
  --font-heading: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Roboto", "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: 1.1;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.125rem;  /* 2px */
  --space-2: 0.25rem;   /* 4px */
  --space-3: 0.375rem;  /* 6px */
  --space-4: 0.5rem;    /* 8px */
  --space-6: 0.75rem;   /* 12px */
  --space-8: 1rem;      /* 16px */
  --space-10: 1.25rem;  /* 20px */
  --space-12: 1.5rem;   /* 24px */
  --space-16: 2rem;     /* 32px */
  --space-20: 2.5rem;   /* 40px */
  --space-24: 3rem;     /* 48px */
  --space-32: 4rem;     /* 64px */
  --space-40: 5rem;     /* 80px */
  --space-48: 6rem;     /* 96px */

  /* Radius */
  --radius-xs: 0.125rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-pill: 999px;

  /* Shadows (clean, premium, evening-inspired) */
  --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-medium: 0 18px 45px rgba(15, 23, 42, 0.12);
  --shadow-strong: 0 25px 65px rgba(15, 23, 42, 0.22);

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

  /* Layout constraints */
  --container-max-width: 1200px;
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 0ms;
    --transition-slow: 0ms;
  }

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

/* ==================================================================
   2. RESET / NORMALIZE
   ================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  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'],
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

img {
  height: auto;
}

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

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

textarea {
  resize: vertical;
}

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

/* ==================================================================
   3. BASE TYPOGRAPHY & ELEMENTS
   ================================================================== */
body {
  min-height: 100vh;
  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);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

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: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(var(--font-size-2xl), 3.4vw, var(--font-size-4xl));
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(var(--font-size-xl), 2.6vw, var(--font-size-3xl));
  letter-spacing: -0.01em;
}

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-8);
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
}

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

a {
  position: relative;
  color: var(--color-primary);
  transition: color var(--transition-base);
}

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

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

hr {
  border: 0;
  border-top: 1px solid var(--gray-200);
  margin: var(--space-16) 0;
}

/* ==================================================================
   4. ACCESSIBILITY & FOCUS STYLES
   ================================================================== */
:focus {
  outline: none;
}

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

/* Screen-reader only utility */
.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;
}

/* ==================================================================
   5. LAYOUT UTILITIES
   ================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-16);
    padding-right: var(--space-16);
  }
}

.section {
  padding-top: var(--space-32);
  padding-bottom: var(--space-32);
}

@media (min-width: 1024px) {
  .section {
    padding-top: var(--space-40);
    padding-bottom: var(--space-40);
  }
}

.section--light {
  background-color: var(--gray-50);
}

.section__heading {
  margin-bottom: var(--space-16);
}

.section__eyebrow {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

/* 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;
}

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

.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }
.gap-16 { gap: var(--space-16); }

/* Grid helpers */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-16);
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-16);
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Width helpers */
.w-full { width: 100%; }

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

/* Spacing helpers (vertical margins) */
.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

/* ==================================================================
   6. COMPONENTS
   ================================================================== */

/* 6.1 Header layout (centered logo, split navigation) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  position: relative;
}

/* Nav groups left / right of the centered logo */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max-width);
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}

@media (min-width: 768px) {
  .site-nav {
    padding-left: var(--space-16);
    padding-right: var(--space-16);
  }
}

.site-nav__group {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .site-nav__group {
    gap: var(--space-12);
  }
}

.site-nav__logo-wrapper {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
}

.site-logo span {
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

/* Navigation links - identical styling */
.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.4rem;
  font-size: var(--font-size-sm);
  font-weight: 500;

  text-transform: uppercase;
  color: var(--gray-700);
  transition: color var(--transition-base);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.35rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.site-nav__link:hover {
  color: var(--color-text);
}

.site-nav__link:hover::after,
.site-nav__link--active::after {
  transform: scaleX(1);
}

.site-nav__link--active {
  color: var(--color-text);
}

/* Mobile nav (can be wired via JS) */
.site-nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gray-200);
  background-color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  color: var(--gray-700);
  transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.site-nav__toggle:hover {
  background-color: #ffffff;
  border-color: var(--gray-300);
  box-shadow: var(--shadow-soft);
}

@media (min-width: 992px) {
  .site-nav__toggle {
    display: none;
  }
}

/* Hide nav groups on mobile by default (handled by JS) */
@media (max-width: 991.98px) {
  .site-nav__group {
    display: none;
  }

  .site-nav--open .site-nav__group {
    display: flex;
    position: absolute;
    inset-inline: 0;
    top: 100%;
    padding: var(--space-12) var(--space-16);
    background-color: #ffffff;
    border-bottom: 1px solid var(--gray-200);
    justify-content: center;
    gap: var(--space-12);
    flex-wrap: wrap;
  }
}

/* 6.2 Hero / slider helpers */
.hero {
  position: relative;
  min-height: 80vh;
  color: #ffffff;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.hero__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 900ms ease-in-out, transform 900ms ease-out;
  transform: scale(1.04);
}

.hero__slide--active {
  opacity: 1;
  transform: scale(1.02);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 0%, rgba(255, 255, 255, 0.08), transparent 55%),
              radial-gradient(circle at 85% 100%, rgba(255, 51, 102, 0.24), transparent 52%),
              linear-gradient(to bottom, rgba(15, 23, 42, 0.15), rgba(15, 23, 42, 0.88));
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: var(--space-32);
  padding-bottom: var(--space-32);
}

.hero__eyebrow {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  margin-bottom: var(--space-4);
  color: rgba(248, 250, 252, 0.85);
}

.hero__title {
  max-width: 16ch;
  margin-bottom: var(--space-8);
  color: #ffffff;
}

.hero__subtitle {
  max-width: 46ch;
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: rgba(241, 245, 249, 0.92);
  margin-bottom: var(--space-12);
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  align-items: center;
}

.hero__meta {
  margin-top: var(--space-12);
  font-size: var(--font-size-sm);
  color: rgba(226, 232, 240, 0.9);
}

/* 6.3 Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid transparent;
  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);
  white-space: nowrap;
}

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

.btn:active {
  transform: translateY(1px) scale(0.99);
  box-shadow: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  color: #ffffff;
  box-shadow: var(--shadow-medium);
}

.btn--primary:hover {
  box-shadow: var(--shadow-strong);
}

.btn--ghost {
  background: rgba(15, 23, 42, 0.2);
  color: #e5e7eb;
  border-color: rgba(148, 163, 184, 0.5);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  background: rgba(15, 23, 42, 0.36);
  border-color: rgba(148, 163, 184, 0.9);
}

.btn--subtle {
  background-color: #ffffff;
  color: var(--color-text);
  border-color: var(--gray-200);
  box-shadow: var(--shadow-soft);
}

.btn--subtle:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-medium);
}

.btn[disabled],
.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
}

/* 6.4 Form controls */
.form-group {
  margin-bottom: var(--space-12);
}

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

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  color: var(--color-text);
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base);
}

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

.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(255, 51, 102, 0.12), 0 10px 30px rgba(15, 23, 42, 0.12);
}

.input[disabled],
.textarea[disabled],
.select[disabled] {
  background-color: var(--gray-100);
  cursor: not-allowed;
}

/* 6.5 Card */
.card {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-16);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.2);
  transition: box-shadow var(--transition-base),
              transform var(--transition-base),
              border-color var(--transition-base),
              background-color var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
  border-color: rgba(148, 163, 184, 0.45);
}

.card--accent-edge::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 12%;
  bottom: 12%;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-strong));
}

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

.card__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* 6.6 Badges / pills (for events, evenings) */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 600;
}

.badge--primary {
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

.badge--outline {
  border: 1px solid var(--gray-300);
  color: var(--gray-600);
}

/* 6.7 Tag list for experiences */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.tag {
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.7);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-700);
  background: rgba(255, 255, 255, 0.8);
}

/* 6.8 Chips for filters (e.g., gallery/event filters) */
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gray-200);
  font-size: var(--font-size-sm);
  cursor: pointer;
  background-color: #ffffff;
  color: var(--gray-700);
  transition: background-color var(--transition-base),
              border-color var(--transition-base),
              color var(--transition-base),
              box-shadow var(--transition-base);
}

.chip:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-soft);
}

.chip--active {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
  box-shadow: 0 0 0 1px rgba(255, 51, 102, 0.12);
}

/* 6.9 Simple media object (image + text) */
.media {
  display: flex;
  gap: var(--space-8);
}

.media__image {
  flex: 0 0 auto;
}

.media__body {
  flex: 1 1 auto;
}

@media (max-width: 639.98px) {
  .media {
    flex-direction: column;
  }
}

/* 6.10 Map / embed wrapper */
.embed-responsive {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.embed-responsive iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ==================================================================
   7. ANIMATION UTILITIES
   ================================================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Subtle glowing divider / accent bar (for evening mood) */
.glow-bar {
  width: 72px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
  box-shadow: 0 0 18px rgba(255, 51, 102, 0.6);
}