/* ========================================================================
   Variables
   ======================================================================== */
:root {
  /* Colors */
  --color-bg: #05070a;
  --color-surface: #0f1117;
  --color-surface-alt: #171a22;
  --color-text: #f5f7fb;
  --color-text-muted: #a0a4b8;
  --color-primary: #e63946; /* accent for CTAs (poker / events) */
  --color-primary-soft: rgba(230, 57, 70, 0.16);
  --color-success: #2ecc71;
  --color-warning: #f1c40f;
  --color-danger: #e74c3c;

  --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, "Segoe UI", sans-serif;
  --font-heading: system-ui, -apple-system, BlinkMacSystemFont, "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 */

  --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: 0.25rem;  /* 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: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);

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

  /* Layout */
  --container-width: 1120px;
  --header-height: 72px;
}

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

* {
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
}

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

img,
video {
  height: auto;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  background: none;
  border-radius: 0;
}

button {
  border: none;
  cursor: pointer;
}

ul,
ol {
  list-style: none !important;
  padding-left: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ========================================================================
   Base Styles
   ======================================================================== */
body {
  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;
}

main {
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: var(--line-height-snug);
  color: var(--color-text);
}

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

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

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

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

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

h6 { font-size: var(--font-size-base); margin-bottom: var(--space-1); }

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

strong,
b {
  font-weight: 600;
}

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

a {
  position: relative;
  transition: color var(--transition-base),
              background-color var(--transition-base),
              opacity var(--transition-base);
}

a:hover {
  color: #fff !important;
}

/* Provide a subtle underline on focus for keyboard users */
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

*:focus:not(:focus-visible) {
  outline: none;
}

@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;
  }
}

/* ========================================================================
   Utilities
   ======================================================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

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

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

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

.flex {
  display: flex;
}

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

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

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

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

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

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

.py-4 { padding-block: var(--space-4); }
.py-6 { padding-block: var(--space-6); }
.py-8 { padding-block: var(--space-8); }

.px-4 { padding-inline: var(--space-4); }

/* 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;
}

/* Simple mobile burger menu helper */
.burger {
  display: none;
  width: 32px;
  height: 24px;
  flex-direction: column;
  justify-content: space-between;
}

.burger__line {
  height: 2px;
  width: 100%;
  background-color: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

@media (max-width: 768px) {
  .burger {
    display: flex;
  }
}

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

/* Header layout helpers (no visuals beyond base) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-height);
  backdrop-filter: blur(10px);
  background: radial-gradient(circle at top left, rgba(230, 57, 70, 0.22), transparent 60%),
              rgba(5, 7, 10, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-list {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

@media (max-width: 768px) {
  .nav-list {
    position: absolute;
    inset-inline: 0;
    top: var(--header-height);
    background: rgba(5, 7, 10, 0.98);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    flex-direction: column;
    padding: var(--space-4) var(--space-4) var(--space-6);
    gap: var(--space-4);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
  }

  .nav-list.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-fast),
              border-color var(--transition-base);
}

.btn:hover {
  background-color: #ff4e58;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

.btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--color-text);
  box-shadow: none;
}

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

.btn--secondary {
  background: var(--color-surface-alt);
  color: var(--color-text);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

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

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

.btn:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 3px;
}

/* Form controls */
.input,
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background-color: rgba(10, 12, 18, 0.95);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base);
}

.input::placeholder,
textarea::placeholder {
  color: rgba(160, 164, 184, 0.8);
}

.input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(230, 57, 70, 0.7);
  background-color: #12151f;
}

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

label {
  display: inline-block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

/* Card */
.card {
  background: radial-gradient(circle at top left, rgba(230, 57, 70, 0.12), transparent 55%),
              var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.card--subtle {
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-sm);
}

.card__header {
  margin-bottom: var(--space-3);
}

.card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-1);
}

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

/* Hero layout helpers for event-focused sections */
.hero {
  padding-block: var(--space-20) var(--space-16);
}

.hero__kicker {
  font-size: var(--font-size-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.hero__title {
  font-size: clamp(2.25rem, 5vw, 3rem);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-3);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Tag / chip for highlighting offline poker vs. other programs */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.02);
}

.tag--primary {
  border-color: rgba(230, 57, 70, 0.6);
  background: rgba(230, 57, 70, 0.16);
  color: #ffecee;
}

/* Simple badge for corporate / groups / private labels */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text);
}

/* Footer base */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-block: var(--space-8);
  background: #05070a;
  font-size: var(--font-size-sm);
}

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