/* ==================================================================
   Variables
   ================================================================== */
:root {
  /* Color Palette - Premium Athens Nightlife */
  --color-background: #05060a; /* deep urban night */
  --color-surface: #101219;
  --color-surface-soft: #181b25;
  --color-surface-elevated: #1f2330;

  --color-text: #f7f7fb;
  --color-text-muted: #a3a7b9;
  --color-text-soft: #7e8294;

  /* Accent colors inspired by casino / poker chips & neon Athens lights */
  --color-primary: #e63963; /* neon magenta-red */
  --color-primary-soft: rgba(230, 57, 99, 0.12);
  --color-primary-strong: #ff4b7b;

  --color-success: #3fd5a1;
  --color-success-soft: rgba(63, 213, 161, 0.15);

  --color-warning: #ffc857;
  --color-warning-soft: rgba(255, 200, 87, 0.16);

  --color-danger: #ff4d5a;
  --color-danger-soft: rgba(255, 77, 90, 0.16);

  /* Neutral grays tuned for dark UI */
  --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;

  /* Overlays & borders */
  --color-border-subtle: rgba(255, 255, 255, 0.06);
  --color-border-strong: rgba(255, 255, 255, 0.14);
  --color-overlay-soft: rgba(0, 0, 0, 0.4);

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Playfair Display", "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Font sizes (mobile-first, can be scaled up via media queries) */
  --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 heights */
  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* 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-sm: 0.25rem;  /* 4px */
  --radius-md: 0.5rem;   /* 8px */
  --radius-lg: 0.75rem;  /* 12px */
  --radius-xl: 1rem;     /* 16px */
  --radius-pill: 999px;

  /* Shadows - soft, cinematic for nightlife aesthetic */
  --shadow-soft: 0 14px 30px rgba(0, 0, 0, 0.35);
  --shadow-medium: 0 18px 45px rgba(0, 0, 0, 0.55);
  --shadow-strong: 0 24px 60px rgba(0, 0, 0, 0.75);

  /* Focus ring */
  --focus-ring-color: rgba(230, 57, 99, 0.8);
  --focus-ring-width: 2px;
  --focus-ring-offset: 2px;

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

  /* Layout */
  --container-max-width: 1120px;
  --container-padding-x: 1.25rem;
}

/* Larger screens: upscale type rhythm slightly */
@media (min-width: 768px) {
  :root {
    --font-size-base: 1.0625rem; /* ~17px */
    --font-size-lg: 1.1875rem;
    --font-size-xl: 1.375rem;
    --font-size-2xl: 1.625rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.25rem;
  }
}

/* ==================================================================
   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,
ul,
ol,
dl,
dd {
  margin: 0;
}

ul,
ol {
  padding-left: 1.25rem;
}

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

img {
  height: auto;
}

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

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

textarea {
  resize: vertical;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

legend {
  padding: 0;
}

/* Remove default focus outlines, reintroduce via :focus-visible */
:focus {
  outline: none;
}

/* ==================================================================
   Base Styles
   ================================================================== */
body {
  min-height: 100vh;
  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-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  display: block;
}

h1,
.h1,
h2,
.h2,
h3,
.h3,
h4,
.h4,
h5,
.h5,
h6,
.h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--gray-50);
  letter-spacing: 0.01em;
}

h1,
.h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

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

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

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

h5,
.h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

h6,
.h6 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

p + p {
  margin-top: -0.25rem;
}

strong,
b {
  font-weight: 600;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  text-underline-offset: 0.18em;
  transition: color var(--transition-normal), text-decoration-color var(--transition-normal);
}

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

code,
pre,
kbd,
samp {
  font-family: var(--font-mono);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-6) 0;
}

/* ==================================================================
   Accessibility & Motion
   ================================================================== */
:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

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

/* ==================================================================
   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--tight {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

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

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

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

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

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

.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;
}

.justify-end {
  justify-content: flex-end;
}

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

.gap-3 {
  gap: var(--space-3);
}

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

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

@media (max-width: 767.98px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

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

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

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

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

/* 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;
}

/* Spacing utilities (y-axis) */
.my-0 { margin-top: 0; margin-bottom: 0; }
.my-4 { margin-top: var(--space-4); margin-bottom: var(--space-4); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }

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

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

/* Buttons - primary CTAs for booking flow */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--transition-normal),
              border-color var(--transition-normal),
              color var(--transition-normal),
              box-shadow var(--transition-normal),
              transform var(--transition-fast);
}

.btn--primary {
  background: radial-gradient(circle at 10% 0%, #ff8aa7 0, #e63963 28%, #5d1c5c 100%);
  color: #fff;
  box-shadow: 0 14px 30px rgba(230, 57, 99, 0.5);
}

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

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

.btn--secondary {
  background-color: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.04);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-muted);
}

.btn--ghost:hover {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--color-text);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

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

/* Form Controls */
.input,
.textarea,
.select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface-soft);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition: border-color var(--transition-normal),
              box-shadow var(--transition-normal),
              background-color var(--transition-normal);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-soft);
}

.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft), 0 0 0 1px rgba(0, 0, 0, 0.6);
  outline: none;
}

.input[disabled],
.textarea[disabled],
.select[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

label {
  display: inline-block;
  margin-bottom: 0.3rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

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

/* Card - for service highlights, packages, FAQs, etc. */
.card {
  position: relative;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, rgba(230, 57, 99, 0.12) 0, rgba(230, 57, 99, 0) 50%),
              radial-gradient(circle at bottom right, rgba(63, 213, 161, 0.1) 0, rgba(63, 213, 161, 0) 55%),
              var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.card--soft {
  padding: var(--space-4);
  background: var(--color-surface-soft);
  box-shadow: none;
}

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

.card__subtitle {
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

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

/* Tag / pill for labels like "Premium", "Corporate" */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-pill);
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-soft);
}

.badge--primary {
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
  border-color: rgba(230, 57, 99, 0.6);
}

/* Hero overlay gradient utility for nightlife hero sections */
.night-gradient-overlay {
  position: relative;
}

.night-gradient-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 0, rgba(230, 57, 99, 0.7) 0, transparent 50%),
              radial-gradient(circle at 90% 20%, rgba(63, 213, 161, 0.5) 0, transparent 55%),
              linear-gradient(180deg, rgba(5, 6, 10, 0.3) 0, rgba(5, 6, 10, 0.9) 75%, #05060a 100%);
  pointer-events: none;
}

.night-gradient-overlay > * {
  position: relative;
  z-index: 1;
}

/* Toast / alert (for cookie notice, booking confirmations) */
.alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface-soft);
}

.alert--success {
  border-color: rgba(63, 213, 161, 0.6);
  background-color: var(--color-success-soft);
  color: var(--color-success);
}

.alert--warning {
  border-color: rgba(255, 200, 87, 0.6);
  background-color: var(--color-warning-soft);
  color: var(--color-warning);
}

.alert--danger {
  border-color: rgba(255, 77, 90, 0.6);
  background-color: var(--color-danger-soft);
  color: var(--color-danger);
}

/* Tables (for pricing / packages overview) */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.table th,
.table td {
  padding: 0.75rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-subtle);
}

.table thead th {
  color: var(--color-text);
  font-weight: 600;
}

.table tbody tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Chip-like filter buttons (for gallery categories etc.) */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(255, 255, 255, 0.02);
  color: var(--color-text-soft);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: background-color var(--transition-normal),
              border-color var(--transition-normal),
              color var(--transition-normal);
}

.chip--active {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

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