/* ========================================================================== *
   LuxVille Base Styles
   --------------------------------------------------------------------------
   - Root Variables
   - Reset / Normalize
   - Base Typography & Elements
   - Layout Utilities
   - Component Primitives
   - Accessibility & Motion
   ========================================================================== */

/* ========================================================================== *
   Root Variables
   ========================================================================== */
:root {
  /* Color Palette: LuxVille Cinematic Luxury */
  --color-bg: #050609; /* near-black, cinematic backdrop */
  --color-surface: #0c0f16; /* elevated panels, nav, cards */
  --color-surface-soft: #151924; /* soft hover/secondary surfaces */

  --color-text: #f7f3ea; /* champagne-tinted white */
  --color-text-muted: #b7b0a0; /* muted copy text */
  --color-text-soft: #85807a; /* subtle labels, meta */

  --color-primary: #d8b980; /* champagne gold */
  --color-primary-soft: rgba(216, 185, 128, 0.16);
  --color-primary-strong: #f2d9a2;

  --color-accent-emerald: #0bb58a; /* refined emerald */
  --color-accent-navy: #0c2340;  /* deep navy */

  --color-success: #19c58f;
  --color-warning: #f0c36a;
  --color-danger: #ff4f5e;

  --color-border-subtle: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.16);

  /* Neutral Grays (cool-neutral for 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;

  /* Typography */
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Playfair Display", "Cormorant Garamond", "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  /* Font Sizes (fluid-ish scale) */
  --fs-xs: 0.75rem;   /* 12px */
  --fs-sm: 0.875rem;  /* 14px */
  --fs-base: 1rem;    /* 16px */
  --fs-md: 1.0625rem; /* 17px, comfortable body */
  --fs-lg: 1.125rem;  /* 18px */
  --fs-xl: 1.25rem;   /* 20px */
  --fs-2xl: 1.5rem;   /* 24px */
  --fs-3xl: 1.875rem; /* 30px hero sub-heading */
  --fs-4xl: 2.25rem;  /* 36px */
  --fs-5xl: clamp(2.75rem, 4vw, 3.25rem); /* hero heading */
  --fs-6xl: clamp(3.5rem, 5vw, 4.5rem);   /* cinematic hero */

  /* Line Heights */
  --lh-tight: 1.15;
  --lh-snug: 1.3;
  --lh-normal: 1.5;
  --lh-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-7: 1.75rem;  /* 28px */
  --space-8: 2rem;     /* 32px */
  --space-9: 2.25rem;  /* 36px */
  --space-10: 2.5rem;  /* 40px */
  --space-11: 2.75rem; /* 44px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-pill: 999px;

  /* Shadows (soft, cinematic) */
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.45);
  --shadow-subtle: 0 10px 28px rgba(0, 0, 0, 0.35);
  --shadow-raised: 0 28px 55px rgba(0, 0, 0, 0.65);

  /* Transition Durations */
  --transition-fast: 120ms;
  --transition-base: 200ms;
  --transition-slow: 320ms;

  /* Easing for luxury-feel animations */
  --ease-out-soft: cubic-bezier(0.17, 0.67, 0.3, 0.95);
  --ease-in-out-soft: cubic-bezier(0.19, 0.66, 0.22, 0.99);

  /* Layout */
  --page-max-width: 1200px;
  --page-max-width-wide: 1440px;
  --page-gutter: 1.5rem;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
}

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

img {
  height: auto;
}

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

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

ul,
ol {
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

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

legend {
  padding: 0;
}

/* Improve text rendering */
body,
input,
button,
textarea,
select {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================================================== *
   Base Typography & Elements
   ========================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  background-color: var(--color-bg);
  color: var(--color-text);
}

main {
  display: block;
}

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

p + p {
  margin-top: calc(var(--space-2) * -1);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--lh-snug);
  color: var(--color-text);
}

h1 {
  font-size: var(--fs-5xl);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

h2 {
  font-size: var(--fs-4xl);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

h3 {
  font-size: var(--fs-3xl);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

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

h5 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-2);
}

h6 {
  font-size: var(--fs-lg);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

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

strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

code,
pre {
  font-family: var(--font-mono);
  font-size: 0.95em;
}

pre {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.9);
  overflow-x: auto;
}

/* Links */

a {
  color: var(--color-primary);
  text-decoration: none;
  text-underline-offset: 0.18em;
  transition: color var(--transition-base) var(--ease-out-soft),
              text-decoration-color var(--transition-base) var(--ease-out-soft),
              opacity var(--transition-fast) var(--ease-out-soft);
}

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

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

/* Lists */
ul,
ol {
  padding-left: var(--space-5);
  margin-bottom: var(--space-4);
}

/* Horizontal Rule */
hr {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-8) 0;
}

/* ========================================================================== *
   Layout Utilities
   ========================================================================== */

/* Container: central column, used across pages */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--page-gutter);
  padding-right: var(--page-gutter);
  max-width: var(--page-max-width);
}

.container-wide {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--page-gutter);
  padding-right: var(--page-gutter);
  max-width: var(--page-max-width-wide);
}

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

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

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

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

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.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;
}

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

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

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

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

/* Grid Helpers */
.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);
}

.grid-auto-fit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
}

@media (max-width: 900px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Spacing Utilities (selective, common) */
.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section-tight {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.mt-0 { margin-top: 0 !important; }
.mt-xs { margin-top: var(--space-2) !important; }
.mt-sm { margin-top: var(--space-3) !important; }
.mt-md { margin-top: var(--space-4) !important; }
.mt-lg { margin-top: var(--space-6) !important; }
.mt-xl { margin-top: var(--space-8) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-xs { margin-bottom: var(--space-2) !important; }
.mb-sm { margin-bottom: var(--space-3) !important; }
.mb-md { margin-bottom: var(--space-4) !important; }
.mb-lg { margin-bottom: var(--space-6) !important; }
.mb-xl { margin-bottom: var(--space-8) !important; }

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

/* 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;
}

/* ========================================================================== *
   Component Primitives (Buttons, Inputs, Cards)
   ========================================================================== */

/* Buttons */
.button,
button,
input[type="button"],
input[type="submit"],
input[type="reset"] {
  --btn-bg: var(--color-primary);
  --btn-bg-hover: var(--color-primary-strong);
  --btn-bg-active: var(--color-primary);
  --btn-color: #140f07;
  --btn-radius: var(--radius-pill);
  --btn-border: transparent;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.8rem;
  border-radius: var(--btn-radius);
  border: 1px solid var(--btn-border);
  background: linear-gradient(135deg, var(--btn-bg) 0%, #f2d9a2 50%, var(--btn-bg) 100%);
  background-size: 200% 200%;
  color: var(--btn-color)!important;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background-position var(--transition-slow) var(--ease-in-out-soft),
    box-shadow var(--transition-base) var(--ease-out-soft),
    transform var(--transition-base) var(--ease-out-soft),
    opacity var(--transition-fast) var(--ease-out-soft);
}

.button:hover,
button:hover,
input[type="button"]:hover,
input[type="submit"]:hover,
input[type="reset"]:hover {
  background-position: 100% 0;
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.button:active,
button:active,
input[type="button"]:active,
input[type="submit"]:active,
input[type="reset"]:active {
  transform: translateY(0);
  box-shadow: none;
}

.button:disabled,
button:disabled,
input[type="button"]:disabled,
input[type="submit"]:disabled,
input[type="reset"]:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.button--ghost {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(248, 250, 252, 0.04);
  --btn-color: var(--color-text);
  --btn-border: var(--color-border-strong);
  background: radial-gradient(circle at top left, rgba(216, 185, 128, 0.25), transparent 55%),
              rgba(10, 14, 23, 0.88);
  backdrop-filter: blur(12px);
}

.button--ghost:hover {
  background: radial-gradient(circle at top left, rgba(216, 185, 128, 0.32), transparent 55%),
              rgba(10, 14, 23, 0.98);
}

.button--outline {
  --btn-bg: transparent;
  --btn-color: var(--color-primary);
  --btn-border: var(--color-primary);
  background: transparent;
}

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

/* Focus states for all focusable controls */
.button:focus-visible,
button:focus-visible,
input[type="button"]:focus-visible,
input[type="submit"]:focus-visible,
input[type="reset"]:focus-visible {
  outline: 2px solid var(--color-primary-strong);
  outline-offset: 3px;
}

/* Inputs */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
input[type="number"],
input[type="search"],
input[type="date"],
input[type="time"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(9, 11, 18, 0.9);
  color: var(--color-text);
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
  transition:
    border-color var(--transition-base) var(--ease-out-soft),
    box-shadow var(--transition-base) var(--ease-out-soft),
    background-color var(--transition-base) var(--ease-out-soft);
}

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

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), 0 0 0 18px rgba(216, 185, 128, 0.16);
  background-color: rgba(10, 14, 23, 0.96);
}

input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-primary) 50%),
                    linear-gradient(135deg, var(--color-primary) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 13px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

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

label {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

/* Card Component: immersive panels for property & offers */
.card {
  position: relative;
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top left, rgba(216, 185, 128, 0.3), transparent 55%),
    linear-gradient(145deg, rgba(6, 9, 16, 0.98), rgba(10, 14, 23, 0.96));
  box-shadow: var(--shadow-subtle);
  border: 1px solid rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(11, 181, 138, 0.15), transparent 60%);
  opacity: 0.6;
  pointer-events: none;
}

.card > * {
  position: relative;
  z-index: 1;
}

.card--soft {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(6, 10, 18, 0.88);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.card--outlined {
  background: rgba(3, 6, 12, 0.9);
  border: 1px solid var(--color-border-strong);
  box-shadow: none;
}

/* Image wrapper with subtle cinematic crop */
.card__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 1200ms var(--ease-out-soft), filter 1200ms var(--ease-out-soft);
}

.card:hover .card__image img {
  transform: scale(1.05);
  filter: saturate(1.05);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.card__subtitle {
  font-size: var(--fs-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin-bottom: var(--space-3);
}

/* ========================================================================== *
   Accessibility & Motion
   ========================================================================== */

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

/* Ensure focus outlines remain visible on dark backgrounds */
[tabindex]:focus-visible,
summary:focus-visible,
.details-toggle:focus-visible {
  outline: 2px solid var(--color-primary-strong);
  outline-offset: 4px;
}

/* Respect reduced motion preferences */
@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;
  }
}

/* ========================================================================== *
   Cinematic Helpers (Optional, lightweight)
   ========================================================================== */

/* Overlay gradient often used behind hero text over photography */
.cinematic-overlay {
  position: relative;
}

.cinematic-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(216, 185, 128, 0.32), transparent 55%),
    linear-gradient(180deg, rgba(5, 6, 9, 0.9) 0%, rgba(5, 6, 9, 0.75) 40%, rgba(5, 6, 9, 0.98) 100%);
  z-index: 0;
}

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

/* Subtle uppercased label for meta info (location, category) */
.meta-label {
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

/* Use .text-lux for accent headlines */
.text-lux {
  background: linear-gradient(120deg, #f5e7c8 0%, #d8b980 40%, #f0e1c0 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Emerald accent for subtle emphasis */
.text-emerald {
  color: var(--color-accent-emerald);
}

/* Navy surface utility for special sections (e.g., booking bar) */
.surface-navy {
  background: radial-gradient(circle at top, rgba(11, 181, 138, 0.09), transparent 52%),
              #030712;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: var(--shadow-soft);
}