/* ============================================================
   BASE.CSS — NexaPlay Design System Foundation
   Monochrome palette · Typography · Utilities · Reset
   MOBILE-FIRST APPROACH: Base = mobile, scale UP
   ============================================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* ── Monochrome Palette ── */
  --bg-primary:     #0A0A0A;
  --bg-secondary:   #131313;
  --surface:        #1C1C1C;
  --border:         #2E2E2E;
  --text-tertiary:  #6B6B6B;
  --text-secondary: #A0A0A0;
  --text-primary:   #FAFAFA;
  --white-solid:    #FFFFFF;

  /* ── Typography ── */
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* ── Spacing Scale (mobile-first base) ── */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 40px;
  --space-3xl: 48px;
  --space-4xl: 56px;
  --space-5xl: 72px;

  /* ── Border Radius ── */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* ── Transitions ── */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --transition-fast:   200ms var(--ease-out-expo);
  --transition-medium: 400ms var(--ease-out-expo);
  --transition-slow:   600ms var(--ease-out-expo);

  /* ── Layout ── */
  --container-max: 1320px;
  --container-padding: 16px;

  /* ── Navbar ── */
  --navbar-height: 60px;
}

/* --- CSS Reset --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  /* Prevent iOS auto-zoom on input focus */
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

/* Custom cursor only on fine-pointer (mouse) devices */
@media (hover: hover) and (pointer: fine) {
  body { cursor: none; }
  a { cursor: none; }
  button { cursor: none; }
}

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

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

button {
  border: none;
  background: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

input, textarea {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
  /* Prevent iOS zoom on focus — must be >= 16px */
  font-size: 16px;
}

::selection {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white-solid);
}

/* --- Typography System (mobile-first with clamp) --- */

/* Display — Hero headline */
.text-display {
  font-family: var(--font-heading);
  font-size: clamp(32px, 6vw, 84px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white-solid);
}

/* H1 */
.text-h1 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4.5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

/* H2 */
.text-h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

/* H3 */
.text-h3 {
  font-family: var(--font-heading);
  font-size: clamp(18px, 2.2vw, 28px);
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
}

/* Body */
.text-body {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* Body small */
.text-body-sm {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Eyebrow label */
.text-eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
}

/* Label/Badge */
.text-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
}

/* --- Layout Utilities --- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

.section--compact {
  padding: var(--space-4xl) 0;
}

/* --- Noise Texture Overlay --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

/* --- Glow Utility --- */
.glow {
  position: relative;
}

.glow::before {
  content: '';
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
  border-radius: 50%;
}

.glow--strong::before {
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.glow--subtle::before {
  inset: -20%;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
}

/* --- Custom Cursor (only for mouse devices) --- */
#custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-out-expo),
              height 0.3s var(--ease-out-expo),
              border-color 0.3s var(--ease-out-expo),
              background 0.3s var(--ease-out-expo);
  mix-blend-mode: difference;
  display: none; /* Hidden by default (mobile-first) */
}

#custom-cursor.cursor--hover {
  width: 50px;
  height: 50px;
  border-color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.08);
}

#custom-cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--white-solid);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  display: none; /* Hidden by default (mobile-first) */
}

/* Show custom cursor ONLY on mouse/trackpad devices */
@media (hover: hover) and (pointer: fine) {
  #custom-cursor,
  #custom-cursor-dot {
    display: block;
  }
}

/* --- Scroll Reveal Base State --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
}

.reveal-ready {
  opacity: 1;
  transform: translateY(0);
}

/* --- Visually Hidden (accessibility) --- */
.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;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE BREAKPOINTS — SCALE UP FROM MOBILE BASE
   ═══════════════════════════════════════════════════════════ */

/* Phablet / Large mobile (480px+) */
@media (min-width: 480px) {
  :root {
    --container-padding: 20px;
    --space-4xl: 64px;
    --space-5xl: 80px;
  }

  .text-eyebrow {
    font-size: 13px;
    letter-spacing: 0.2em;
  }

  .text-body {
    font-size: 16px;
  }
}

/* Tablet portrait (768px+) */
@media (min-width: 768px) {
  :root {
    --container-padding: 24px;
    --navbar-height: 68px;
    --space-3xl: 56px;
    --space-4xl: 80px;
    --space-5xl: 100px;
  }
}

/* Tablet landscape / small laptop (1024px+) */
@media (min-width: 1024px) {
  :root {
    --navbar-height: 72px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    --space-5xl: 128px;
  }
}

/* Desktop (1280px+) */
@media (min-width: 1280px) {
  :root {
    --container-padding: 32px;
  }
}

/* Large desktop (1600px+) */
@media (min-width: 1600px) {
  :root {
    --container-max: 1440px;
  }
}

/* --- 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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* --- Touch Device Hover Fix ---
   Prevent "sticky" hover states on touch screens */
@media (hover: none) {
  .game-card:hover {
    transform: none;
    border-color: var(--border);
  }

  .game-card:hover::after {
    opacity: 0;
  }

  .game-card:active {
    transform: scale(0.98);
    border-color: rgba(255, 255, 255, 0.15);
  }

  .trust-card:hover {
    transform: none;
    border-color: var(--border);
  }

  .btn--primary:hover {
    transform: none;
    box-shadow: none;
  }

  .btn--primary:active {
    background: var(--text-primary);
    transform: scale(0.97);
  }
}

/* ═══════════════════════════════════════════════════════════
   GLOBAL LOADER
   ═══════════════════════════════════════════════════════════ */
.global-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #000000;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  transition: opacity 0.8s cubic-bezier(0.87, 0, 0.13, 1), visibility 0.8s cubic-bezier(0.87, 0, 0.13, 1);
}

.global-loader--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.global-loader__spinner {
  width: 56px;
  height: 56px;
  animation: spin-glow 2s cubic-bezier(0.79, 0.14, 0.15, 0.86) infinite;
}

.global-loader__text {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  overflow: hidden;
  display: flex;
}

.loader-text-slide {
  display: inline-block;
  transform: translateY(100%);
  opacity: 0;
  animation: slide-up-fade 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 0.2s;
}

@keyframes spin-glow {
  0% {
    transform: rotate(0deg) scale(1);
    filter: drop-shadow(0 0 15px rgba(255,255,255,0.15));
  }
  50% {
    transform: rotate(180deg) scale(1.1);
    filter: drop-shadow(0 0 30px rgba(255,255,255,0.4));
  }
  100% {
    transform: rotate(360deg) scale(1);
    filter: drop-shadow(0 0 15px rgba(255,255,255,0.15));
  }
}

@keyframes slide-up-fade {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}