/* ========================================================================== 
   Variables
   ========================================================================== */

:root {
  /* Color palette – luxury casino & gala atmosphere */
  --color-bg: #05070d; /* deep midnight */
  --color-bg-elevated: #0b0f1a;
  --color-bg-soft: #111625;
  --color-bg-glass: rgba(8, 11, 20, 0.78);

  --color-text: #f5f5f8;
  --color-text-soft: #c3c6d5;
  --color-text-muted: #8a8fa3;

  --color-primary: #d9a441; /* antique gold */
  --color-primary-soft: rgba(217, 164, 65, 0.14);
  --color-primary-strong: #f2c76b;
  --color-accent: #b8860b; /* deep gold */

  --color-success: #39d98a;
  --color-warning: #f5b949;
  --color-danger: #ff6b81;

  --color-burgundy: #5c1320;
  --color-bronze: #b46b3b;

  --gray-50: #f8fafc;
  --gray-100: #e2e8f0;
  --gray-200: #cbd5f5;
  --gray-300: #94a3b8;
  --gray-400: #64748b;
  --gray-500: #475569;
  --gray-600: #334155;
  --gray-700: #1e293b;
  --gray-800: #0f172a;
  --gray-900: #020617;

  /* Typography – elegant serif + premium sans */
  --font-sans: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-serif: "Playfair Display", "Cormorant Garamond", "Times New Roman",
    serif;

  --font-size-xxs: 0.75rem;  /* 12px */
  --font-size-xs: 0.8125rem; /* 13px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.0625rem; /* 17px */
  --font-size-lg: 1.25rem;   /* 20px */
  --font-size-xl: 1.5rem;    /* 24px */
  --font-size-2xl: 1.875rem; /* 30px */
  --font-size-3xl: 2.25rem;  /* 36px */
  --font-size-4xl: 3rem;     /* 48px */
  --font-size-5xl: 3.75rem;  /* 60px */

  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 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-10: 2.5rem;  /* 40px */
  --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 – subtle cinematic depth */
  --shadow-soft:
    0 18px 45px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.02);
  --shadow-elevated:
    0 30px 80px rgba(0, 0, 0, 0.75),
    0 0 0 1px rgba(217, 164, 65, 0.08);
  --shadow-soft-gold:
    0 0 40px rgba(217, 164, 65, 0.28);

  /* Transitions & motion */
  --transition-fast: 150ms ease-out;
  --transition-base: 220ms ease-out;
  --transition-slow: 420ms ease;

  /* Layout */
  --container-width: 1200px;
  --container-width-wide: 1440px;
  --header-height: 4.5rem;
}

@media (min-width: 768px) {
  :root {
    --font-size-lg: 1.3125rem; /* 21px */
    --font-size-xl: 1.75rem;   /* 28px */
    --font-size-2xl: 2.25rem;  /* 36px */
    --font-size-3xl: 2.75rem;  /* 44px */
    --font-size-4xl: 3.5rem;   /* 56px */
    --font-size-5xl: 4.25rem;  /* 68px */
  }
}

/* ========================================================================== 
   Reset / Normalize
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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;
  color: inherit;
}

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

textarea {
  resize: vertical;
}

:where(a) {
  color: inherit;
}

:where(a[href]) {
  text-decoration: none;
}

/* Remove animations & transitions for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ========================================================================== 
   Base Styles
   ========================================================================== */

body {
  min-height: 100vh;
  background: radial-gradient(circle at top, #131933 0, var(--color-bg) 52%),
    radial-gradient(circle at bottom, #1b1020 0, #040509 60%);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: var(--line-height-snug);
  color: var(--color-text);
  letter-spacing: 0.04em;
}

h1 {
  font-size: var(--font-size-4xl);
  text-transform: uppercase;
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

p {
  margin-top: 0;
  margin-bottom: var(--space-4);
  color: var(--color-text-soft);
}

strong,
b {
  font-weight: 600;
}

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

a[href] {
  position: relative;
  text-decoration: none;
  transition: color var(--transition-base);
}

a[href]:hover {
  color: var(--color-primary);
}

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

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

hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin: var(--space-6) 0;
}

/* ========================================================================== 
   Accessibility & Focus
   ========================================================================== */

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

::-moz-selection {
  background: rgba(217, 164, 65, 0.4);
  color: #ffffff;
}

::selection {
  background: rgba(217, 164, 65, 0.4);
  color: #ffffff;
}

/* 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
   ========================================================================== */

/* Containers */
.u-container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.u-container-wide {
  width: 100%;
  max-width: var(--container-width-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* Layout helpers */
.u-flex {
  display: flex;
}

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

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

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

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

.u-grid {
  display: grid;
}

.u-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.u-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

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

/* Spacing utilities (limited, commonly used) */
.u-mt-0 { margin-top: 0 !important; }
.u-mb-0 { margin-bottom: 0 !important; }
.u-mt-4 { margin-top: var(--space-4) !important; }
.u-mt-6 { margin-top: var(--space-6) !important; }
.u-mb-4 { margin-bottom: var(--space-4) !important; }
.u-mb-6 { margin-bottom: var(--space-6) !important; }

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

/* Text alignment */
.u-text-center { text-align: center !important; }
.u-text-right { text-align: right !important; }

/* Surface helpers */
.u-surface-glass {
  background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.09),
      rgba(217, 164, 65, 0.05)
    );
  background-color: var(--color-bg-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.u-border-gold-soft {
  border: 1px solid rgba(217, 164, 65, 0.4);
}

/* ========================================================================== 
   Components – Buttons
   ========================================================================== */

.btn {
  --btn-bg: var(--color-primary);
  --btn-bg-hover: var(--color-primary-strong);
  --btn-color: #050509;
  --btn-border: transparent;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--btn-border);
  background: radial-gradient(circle at 0 0, #ffe9b0 0, #e2ae4b 28%, #b8841d 62%),
    linear-gradient(135deg, #aa7720, #f0c46a);
  color: var(--btn-color)!important;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.7);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-base),
    background var(--transition-base),
    filter var(--transition-base);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
  box-shadow:
    0 20px 45px rgba(0, 0, 0, 0.8),
    0 0 24px rgba(217, 164, 65, 0.45);
}

.btn:active {
  transform: translateY(0);
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.8),
    0 0 12px rgba(217, 164, 65, 0.3);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary-strong);
  outline-offset: 4px;
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(217, 164, 65, 0.12);
  --btn-color: var(--color-text);
  --btn-border: rgba(217, 164, 65, 0.6);

  background: radial-gradient(circle at 0 0, rgba(255, 233, 176, 0.2) 0, transparent 45%),
    rgba(8, 12, 25, 0.92);
  color: var(--btn-color);
  box-shadow: 0 0 0 1px rgba(217, 164, 65, 0.4);
}

.btn--ghost:hover {
  background: linear-gradient(
      135deg,
      rgba(217, 164, 65, 0.18),
      rgba(217, 164, 65, 0.06)
    ),
    rgba(8, 12, 25, 0.96);
}

.btn--outline {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(217, 164, 65, 0.08);
  --btn-color: var(--color-primary-strong);
  --btn-border: rgba(217, 164, 65, 0.85);

  background: transparent;
  color: var(--btn-color);
  box-shadow: none;
}

.btn--outline:hover {
  background: var(--btn-bg-hover);
  box-shadow: 0 0 0 1px rgba(217, 164, 65, 0.5);
}

.btn--sm {
  padding: 0.55rem 1.3rem;
  font-size: var(--font-size-xs);
}

.btn--lg {
  padding: 1rem 2.4rem;
  font-size: var(--font-size-md);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06);
}

/* ========================================================================== 
   Components – Form Elements
   ========================================================================== */

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: var(--space-4);
}

.field label {
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.input,
.textarea,
select {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.08) 0, transparent 45%),
    rgba(7, 11, 21, 0.96);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background var(--transition-base),
    transform var(--transition-fast);
}

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

.input:focus-visible,
.textarea:focus-visible,
select:focus-visible {
  outline: none;
  border-color: rgba(217, 164, 65, 0.9);
  box-shadow: 0 0 0 1px rgba(217, 164, 65, 0.7), var(--shadow-soft-gold);
  background: rgba(8, 12, 25, 0.98);
  transform: translateY(-1px);
}

.input[aria-invalid="true"],
.textarea[aria-invalid="true"] {
  border-color: rgba(255, 107, 129, 0.8);
}

.field__error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* ========================================================================== 
   Components – Card / Surface
   ========================================================================== */

.card {
  position: relative;
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 0 0, rgba(217, 164, 65, 0.18) 0, transparent 52%),
    radial-gradient(circle at 100% 0, rgba(92, 19, 32, 0.32) 0, transparent 55%),
    linear-gradient(145deg, rgba(10, 15, 28, 0.96), rgba(5, 7, 13, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    120deg,
    rgba(217, 164, 65, 0.18),
    transparent 22%,
    transparent 78%,
    rgba(217, 164, 65, 0.16)
  );
  mix-blend-mode: soft-light;
  opacity: 0.4;
}

.card__header {
  position: relative;
  margin-bottom: var(--space-4);
}

.card__title {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
}

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

.card--glass {
  background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.12),
      rgba(217, 164, 65, 0.03)
    );
  background-color: var(--color-bg-glass);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-color: rgba(217, 164, 65, 0.35);
  box-shadow: var(--shadow-elevated);
}

/* ========================================================================== 
   Helpers for Header / Footer Atmosphere (global use)
   ========================================================================== */

.header-glass {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  background:
    linear-gradient(
      to bottom,
      rgba(5, 7, 13, 0.92),
      rgba(5, 7, 13, 0.86),
      rgba(5, 7, 13, 0.0)
    );
  border-bottom: 1px solid rgba(217, 164, 65, 0.35);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.9);
}

.footer-luxury {
  background:
    radial-gradient(circle at top, rgba(92, 19, 32, 0.8) 0, transparent 60%),
    radial-gradient(circle at 0 100%, rgba(217, 164, 65, 0.12) 0, transparent 55%),
    #020308;
  border-top: 1px solid rgba(217, 164, 65, 0.36);
  color: var(--color-text-soft);
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.footer-divider-gold {
  height: 1px;
  background: linear-gradient(
      to right,
      transparent,
      rgba(217, 164, 65, 0.7),
      transparent
    );
  margin: var(--space-6) 0;
}

/* ========================================================================== 
   End of base.css
   ========================================================================== */