/* ==================================================================
   Variables
   ================================================================== */
:root {
  /* Color Palette - Premium Casino Night in Athens */
  --color-background: #050712;            /* Deep night */
  --color-surface: #0b0f1f;               /* Elevated surfaces */
  --color-surface-soft: #121626;          /* Soft cards/sections */
  --color-text: #f7f7fb;                  /* Primary text */
  --color-text-muted: #afb3c6;            /* Secondary text */

  --color-primary: #f5c558;               /* Warm gold */
  --color-primary-soft: rgba(245, 197, 88, 0.08);
  --color-primary-strong: #ffd66b;

  --color-success: #4ade80;               /* Green success */
  --color-warning: #facc15;               /* Warm yellow */
  --color-danger: #fb7185;                /* Soft red */

  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2933;
  --color-gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Playfair Display", "Times New Roman", serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.0625rem; /* 17px */
  --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-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing Scale (px) */
  --space-0: 0;
  --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: 16px;
  --radius-pill: 999px;

  /* Shadows - subtle luxury glow */
  --shadow-sm: 0 8px 20px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 14px 40px rgba(0, 0, 0, 0.4);
  --shadow-soft-gold: 0 0 0 1px rgba(245, 197, 88, 0.14), 0 22px 60px rgba(0, 0, 0, 0.7);

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

/* Reduced motion adjustments */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-normal: 0ms;
    --transition-slow: 0ms;
  }
}


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

html {
  margin: 0;
  padding: 0;
  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%;
}

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

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

textarea {
  resize: vertical;
}

:focus {
  outline: none;
}


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

main {
  min-height: 60vh;
}

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, 3.25rem);
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
}

h3 {
  font-size: clamp(1.4rem, 2.3vw, 1.9rem);
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.1rem;
}

h6 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

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

strong {
  font-weight: 600;
  color: var(--color-text);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-normal), opacity var(--transition-fast);
}

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

a:active {
  opacity: 0.9;
}

hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin: var(--space-8) 0;
}

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9em;
}

::selection {
  background-color: rgba(245, 197, 88, 0.25);
}


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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* 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;
}


/* ==================================================================
   Utilities
   ================================================================== */
/* Layout */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  max-width: 1160px;
}

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

.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;
}

.grid {
  display: grid;
}

.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: 767px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

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

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

.mt-0 { margin-top: 0 !important; }
.mt-2 { margin-top: var(--space-2) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mt-6 { margin-top: var(--space-6) !important; }
.mt-8 { margin-top: var(--space-8) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-4 { padding-top: var(--space-4) !important; }
.pt-8 { padding-top: var(--space-8) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-4 { padding-bottom: var(--space-4) !important; }
.pb-8 { padding-bottom: var(--space-8) !important; }

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section--bleed {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background-color: rgba(245, 197, 88, 0.1);
  color: var(--color-primary-strong);
}


/* ==================================================================
   Components
   ================================================================== */
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1.5rem;
  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;
  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),
    opacity var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #f5c558, #f1a93c);
  color: #120b02;
  box-shadow: var(--shadow-soft-gold);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.8);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-primary-strong);
  border-color: rgba(245, 197, 88, 0.7);
}

.btn-outline:hover {
  background-color: var(--color-primary-soft);
}

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

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.06);
}

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

.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Form Controls */
.input,
select,
textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background-color: rgba(4, 7, 20, 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-gray-500);
}

.input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: rgba(245, 197, 88, 0.9);
  box-shadow: 0 0 0 1px rgba(245, 197, 88, 0.7);
  background-color: rgba(8, 12, 32, 0.95);
}

.input--error {
  border-color: rgba(248, 113, 113, 0.9);
}

.input--error:focus-visible {
  box-shadow: 0 0 0 1px rgba(248, 113, 113, 0.9);
}

.label {
  display: block;
  margin-bottom: 4px;
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-300);
}

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

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

.form-helper {
  margin-top: 2px;
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
}

.form-error {
  margin-top: 2px;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card / Panel */
.card {
  background: radial-gradient(circle at top left, rgba(245, 197, 88, 0.08), transparent 55%),
              radial-gradient(circle at bottom right, rgba(56, 189, 248, 0.05), transparent 55%),
              var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(255, 255, 255, 0.03);
}

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

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

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

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

/* Chip-like tags for services & themes */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background-color: rgba(15, 23, 42, 0.85);
}

/* Hero CTA band for booking sections */
.hero-cta {
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  background: radial-gradient(circle at top, rgba(245, 197, 88, 0.26), transparent 55%),
              linear-gradient(135deg, #111827, #020617);
  box-shadow: var(--shadow-soft-gold);
}

.hero-cta__title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin-bottom: var(--space-2);
}

.hero-cta__text {
  max-width: 32rem;
}

/* FAQ accordion basic skeleton (for Συχνές Ερωτήσεις) */
.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-4) 0;
}

.faq-question {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.faq-answer {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
}

/* Utilities specific to Greek SEO sections (e.g., service highlights) */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-6);
}

.kpi {
  text-align: center;
}

.kpi__value {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  color: var(--color-primary-strong);
}

.kpi__label {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gray-400);
}

/* Navigation shell (no layout framework) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 7, 18, 0.92), rgba(5, 7, 18, 0.5));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
}

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

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-primary-strong);
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

.site-footer a {
  color: inherit;
}

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