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

:root {
  /* Colors */
  --color-background: #050712;
  --color-background-alt: #0b0f1f;
  --color-surface: #111522;
  --color-surface-alt: #181f30;
  --color-text: #f5f7ff;
  --color-text-muted: #9aa3c7;
  --color-primary: #5a36ff;
  --color-primary-soft: rgba(90, 54, 255, 0.15);
  --color-success: #14b89b;
  --color-warning: #ffb547;
  --color-danger: #ff4b6a;

  /* Neutral grays */
  --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;

  /* Accent / neon */
  --color-accent-cyan: #00f5ff;
  --color-accent-pink: #ff3fa4;
  --color-accent-lime: #b5ff3b;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Rajdhani", "Oswald", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-md: 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-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (px, expressed as rem with 16px base) */
  --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-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-strong: 0 18px 45px rgba(0, 0, 0, 0.6);
  --shadow-neon-primary: 0 0 18px rgba(90, 54, 255, 0.7);
  --shadow-neon-cyan: 0 0 18px rgba(0, 245, 255, 0.7);

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

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

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

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
}

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

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

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

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

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

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

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(90, 54, 255, 0.35), transparent 55%),
    radial-gradient(circle at bottom right, rgba(0, 245, 255, 0.25), transparent 55%),
    linear-gradient(135deg, #03040b, #050712 40%, #070b15 100%);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--line-height-tight);
  letter-spacing: 0.03em;
}

h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(2rem, 3vw, 2.5rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  margin-bottom: var(--space-2);
}

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

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

strong {
  font-weight: 600;
}

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

/* Selection */

::selection {
  background: rgba(90, 54, 255, 0.7);
  color: #ffffff;
}

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

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

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

@media (prefers-reduced-motion: reduce) {
  * {
    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;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 1280px) {
  .container {
    max-width: 1320px;
  }
}

.section {
  padding-block: var(--space-12);
}

.section--dense {
  padding-block: var(--space-8);
}

/* 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;
}

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

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

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

.gap-6 {
  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);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Width helpers */

.w-full {
  width: 100%;
}

/* Text alignment */

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

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

/* Spacing utilities */

.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); }
.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); }

.pt-4 { padding-top: var(--space-4); }
.pb-4 { padding-bottom: var(--space-4); }
.pt-8 { padding-top: var(--space-8); }
.pb-8 { padding-bottom: var(--space-8); }

/* ========================================================================== 
   Components: Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-pink));
  color: #ffffff;
  box-shadow: var(--shadow-neon-primary);
}

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

.btn-outline {
  background: rgba(10, 14, 30, 0.8);
  border-color: rgba(0, 245, 255, 0.6);
  color: var(--color-accent-cyan);
  box-shadow: 0 0 0 1px rgba(0, 245, 255, 0.2);
}

.btn-outline:hover {
  background: rgba(0, 245, 255, 0.1);
  box-shadow: var(--shadow-neon-cyan);
}

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

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

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

/* ========================================================================== 
   Components: Form Elements
   ========================================================================== */

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(146, 153, 191, 0.45);
  background: radial-gradient(circle at top left, rgba(90, 54, 255, 0.18), transparent 55%),
              rgba(7, 10, 26, 0.9);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  outline: none;
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal),
    transform var(--transition-fast);
}

.input::placeholder,
.textarea::placeholder {
  color: rgba(154, 163, 199, 0.7);
}

.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible {
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 0 1px rgba(0, 245, 255, 0.4), 0 0 18px rgba(0, 245, 255, 0.3);
}

.textarea {
  min-height: 140px;
  resize: vertical;
}

input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--color-primary);
}

/* ========================================================================== 
   Components: Card & Surface
   ========================================================================== */

.card {
  position: relative;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, rgba(90, 54, 255, 0.2), transparent 60%),
              radial-gradient(circle at bottom right, rgba(0, 245, 255, 0.16), transparent 60%),
              rgba(7, 10, 24, 0.96);
  border: 1px solid rgba(110, 120, 170, 0.4);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.card--hoverable {
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal);
}

.card--hoverable:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
  border-color: rgba(90, 54, 255, 0.9);
}

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

.card-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-1);
}

.card-meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

/* Offerwall specific surface helper */

.offerwall-surface {
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  background: radial-gradient(circle at top, rgba(181, 255, 59, 0.14), transparent 55%),
              radial-gradient(circle at bottom, rgba(0, 245, 255, 0.16), transparent 55%),
              #060915;
  border: 1px solid rgba(181, 255, 59, 0.4);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.8), 0 0 40px rgba(181, 255, 59, 0.25);
}

/* ========================================================================== 
   Components: Hero & Navigation (portal-style)
   ========================================================================== */

.hero {
  position: relative;
  padding-block: var(--space-16);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(circle at 20% 0%, rgba(90, 54, 255, 0.45), transparent 60%),
    radial-gradient(circle at 80% 100%, rgba(0, 245, 255, 0.35), transparent 60%);
  opacity: 0.95;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-kicker {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent-cyan);
  margin-bottom: var(--space-2);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.2vw, 3.8rem);
  line-height: var(--line-height-tight);
  text-transform: uppercase;
}

.hero-subtitle {
  max-width: 38rem;
  margin-top: var(--space-3);
  color: var(--color-text-muted);
}

.hero-actions {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(3, 5, 16, 0.96), rgba(3, 5, 16, 0.8));
  border-bottom: 1px solid rgba(72, 88, 155, 0.5);
}

.site-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.75rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.16em;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.site-logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 30%;
  background: conic-gradient(from 180deg, var(--color-primary), var(--color-accent-cyan), var(--color-accent-pink), var(--color-primary));
  box-shadow: var(--shadow-neon-primary);
}

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

.site-nav-link {
  position: relative;
  padding-block: 0.15rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
}

.site-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-accent-pink));
  transition: width var(--transition-normal);
}

.site-nav-link:hover::after,
.site-nav-link[aria-current="page"]::after {
  width: 100%;
}

.site-nav-link[aria-current="page"] {
  color: #ffffff;
}

.site-nav-cta {
  display: none;
}

@media (min-width: 992px) {
  .site-nav-cta {
    display: inline-flex;
  }
}

/* ========================================================================== 
   Page-specific helpers (game portal)
   ========================================================================== */

.section-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent-cyan);
  margin-bottom: var(--space-2);
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.section-heading-title {
  font-size: var(--font-size-2xl);
}

.section-heading-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(154, 163, 199, 0.4);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

.tag--primary {
  border-color: rgba(90, 54, 255, 0.8);
  color: var(--color-accent-cyan);
  background: rgba(90, 54, 255, 0.15);
}

.tag--success {
  border-color: rgba(20, 184, 155, 0.7);
  color: #d1ffe5;
  background: rgba(20, 184, 155, 0.18);
}

/* Game modes / chips */

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.chip {
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(110, 120, 170, 0.6);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  background: rgba(6, 10, 22, 0.9);
}

/* Lists inside content blocks (for tips, strategy, etc.) */

.content-list {
  margin: 0;
  padding: 0;
}

.content-list-item {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.65rem;
  color: var(--color-text-muted);
}

.content-list-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: radial-gradient(circle, var(--color-accent-cyan), var(--color-primary));
  box-shadow: 0 0 8px rgba(0, 245, 255, 0.7);
}

/* ========================================================================== 
   Footer
   ========================================================================== */

.site-footer {
  padding-block: var(--space-8);
  border-top: 1px solid rgba(72, 88, 155, 0.6);
  background: radial-gradient(circle at top, rgba(90, 54, 255, 0.16), transparent 55%),
              #050812;
}

.site-footer-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ========================================================================== 
   Responsive tweaks
   ========================================================================== */

@media (max-width: 768px) {
  .hero {
    padding-block: var(--space-12);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .section-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav-inner {
    padding-inline: var(--space-4);
  }
}